Innovex Logan Fishing Bumper Sub User manual

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [e-mail]3rd Printing, Feb. 2013. Rev. 2
PRODUCT MANUAL
Core Type Junk Baskets
DOCUMENT
Manual C310
PAGE
A
FISHING TOOLS
FISHING & INTERVENTION
FISHING
BUMPER SUB
Manual D450

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
2
FISHING TOOLS
Fishing Bumper Sub
Overview...............................................................................................................2
Use ...........................................................................................................................2
Construction........................................................................................................2
Illustration.............................................................................................................3
Operation..............................................................................................................4
Fishing Operations......................................................................................4
Drilling Operations......................................................................................4
Applying a Downward Blow...................................................................4
Applying an Upward Blow ......................................................................4
Feeding-O.....................................................................................................4
Assembly ..............................................................................................................4
Knocker Seal/Ring Installation.............................................................5
Maintenance .......................................................................................................7
Complete Disassembly.............................................................................7
Complete Assemblies and Parts Lists.........................................8 – 19
Strength Data ........................................................................................20 – 22
Recommended Tightening Torques.....................................................23
LEGAL NOTICE
All references to Bowen®part numbers in this literature are
used to identify interchangeable tools and parts. Reference to
such tools and parts does not imply that Logan Oil Tools is a
licensee or is in any way ailiated with National Oilwell Varco.
Logan Oil Tools does not sell, or oer to sell, National Oilwell
Varco (Bowen) products.
“Bowen” is a registered trademark of National Oilwell Varco.
2nd Printing, April 2013. Rev. 1
Contents

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
3
FISHING TOOLS
OVERVIEW
The Logan Fishing Bumper Sub is a
relatively inexpensive, dependable me-
chanical accessory tool that is suitable
for all fishing operations — especially
harsh, downhole applications and deep
workover operations. It can also meet
the demands of tools that require sharp,
sustained bumping action to actuate
or release them.
The primary purpose of the Fishing
Bumper Sub is to enable the operator
to release the fishing tool in the event
it becomes impossible to pull the fish.
It can provide the necessary vertical
impact in either direction — upward or
downward — and deliver the required
torque to release the tool from the fish
whether it is rotating or not. The tool’s
design allows full torque and unre-
stricted fluid circulation at all times. The
Logan Fishing Bumper Sub can bump
up or down to engage or disengage
overshots or spears, or be used as a
feed-o tool in milling or cutting opera-
tions.
There are several secondary uses for the
Logan Fishing Bumper Sub: to bump
down, to bump a solid downward blow,
and to jar up in the hole. Other typi-
cal operations include releasing stuck
drill pipe, drill collars, tubing, test tools,
and safety joints. The fishing bumper
sub can be used in conjunction with an
overshot or spear.
USE
The Logan Fishing Bumper Sub is
especially suited for deep fishing
operations and light to medium drilling
applications. Equally eective in either
direction, the tool is also ideal for coring
operations.
The Logan Fishing Bumper Sub delivers
the sharp downward blow and torque
required to disengage a fish when it
is impossible to pull the fish. The tool
can repeatedly bump in either direction
or alternately bump up and down to
dislodge drill pipe, reamers, drill collars,
bits, or other tools that have become
stuck.
The immediate bumping action prevents
cuttings and cavings — especially sticky
caving or heavy mud formations —
from settling and wedging the drill string
making it well suited for light to medium
drilling operations. The tool is equally
eective in either direction. If neces-
sary, the operator can manipulate the
drill string and deliver forceful blows to
release the string. The free stroke fea-
ture enables the operator to accurately
control the weight on bit or other tools.
When properly used, this feature will aid
in maintaining a straighter hole, thereby
resulting in improved penetration and
less bit wear.
The Fishing Bumper Sub is also an ex-
cellent safety device when working
in very deep, crooked holes, and drilling
out cement in heavy mud. The oper-
ator can manipulate the drill string as
needed and deliver forceful blows to
release the string if necessary.
The Logan Fishing Bumper Sub is also
an ideal tool for coring operations. The
bumping action eectively breaks cores
sharply and cleanly for easy removal.
CONSTRUCTION
All components of he Logan Fish-
ing Bumper Sub are constructed from
high-strength, heat-treated alloy steel to
withstand severe stress caused by ten-
sion, jarring, and torque.
The Fishing Bumper Sub is composed
of five major parts: a mandrel, mandrel
body, middle body, knocker, and a top
sub. The critical seal point between
the middle body and knocker is fitted
with a knocker seal/ring assembly con-
sisting of an o-ring seal, seal protector
ring, and a seal non-extrusion ring to
increase the life of the rings and prevent
o-ring extrusion.
The Logan Fishing Bumper Sub comes
with a standard box top connection and
a pin bottom connection. Special con-
nections, including left-hand threads,
are available upon request.
Mandrel
The hexagon-shaped mandrel fits into
the matching shape of the mandrel
body. The mandrel freely moves up and
down to provide a continuous source of
downhole torque transmission through
the mandrel body whether bumping or
not. The standard 20-inch stroke length
is suitable for most purposes, although
longer stroke lengths of 30, 36, 42, 48,
and 60 inches are available. The ends
of the mandrel are made up with a
knocker at the upper end and a mandrel
body on the lower end.
Mandrel Body
The mandrel body slides on over the
mandrel. The hexagon-shaped inside
diameter of the mandrel body matches
the shape of the mandrel. Transmitted
torque is conveyed to the running string
through the mandrel, middle body, and
attached tool.

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
4
FISHING TOOLS
Middle Body
The inside diameter of the middle body
is closely fitted to the outside diameter
of the knocker and top sub at the upper
end. The inside diameter of the middle
body is closely fitted to the mandrel
body at the lower end. The interior
surface is highly polished to reduce
frictional wear.
Knocker
The knocker screws onto the top of the
mandrel. A lock screw on the lower end
of the knocker tightens the knocker
against the mandrel to prevent rela-
tive movement. The knocker material
is specially selected for use in impact
loading. It is closely fitted to restrict high
frequency lateral vibration (chatter) that
can shorten the life of the tool.
Knocker Seal/Ring Assembly
Two seal/ring assemblies are located on
the upper end of the knocker. Each seal/
ring assembly consists of an o-ring seal,
a seal protector ring, and a seal non-
extrusion ring. The non-extrusion rings
prevent the o-rings from being pushed
out or rolled out of position. As hydraulic
pressure is applied (in either direction),
these seal/ring assemblies reduce
normal diametric clearance at the seal
points to nearly zero.
Knocker seal rings, seal protector rings,
and non-extrusion rings are provided on
the standard knocker. Optional chev-
ron packing sets are available and are
recommended when circulation through
the fishing bumper sub will be extensive.
Top Sub
The top sub is fitted to the upper end of
the middle body and has a box connec-
tion.
Top Sub
Knocker
Knocker Seal Ring
Non-Extrusion Ring
Seal Protector Ring
Middle
Body
Mandrel
Mandrel
Body
Knocker
Lock Screw

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
5
FISHING TOOLS
ASSEMBLY
Check all parts to ensure that they are in
good working condition before begin-
ning assembly. Make sure the tool is the
proper size for the operation.
Thoroughly clean and lubricate parts. If
the tool will be stored for a long period,
paint or lubricate the exterior surfaces to
prevent corrosion.
NOTE: Do not paint or lubricate the
seals. Paint, sunlight, solvents, and
most lubricants are harmful to rub-ber
products.
Refer to the photographs on page 5
and proceed with the knocker seal/ring
assembly installation as follows. If using
the optional chevron packing set, skip
to step 5.
1. Starting with the lowest groove, re-
place the knocker seals.
a. Carefully examine and thoroughly
clean each groove. Smooth out
any nicks or burrs with emery
cloth.
b. Matching the bevel of the non-
extrusion ring to the bevel of the
groove, slide the non-extrusion
ring over the knocker. Carefully
expand the non-extrusion ring
to fit over the outside diameter of
the knocker. Do not expand the
non-extrusion ring more than
is absolutely necessary.
2. Press the seal protector ring into
the groove next to the non-extru-
sion ring with the thumbs until the
ring is firmly seated in the groove.
3. Install the O-rings:
a. Stretch the O-ring until it is large
enough to fit around the knocker.
b. Insert the O-ring between the seal
protector ring and non-extrusion
ring.
OPERATION
The Logan Fishing Bumper Sub is typi-
cally run directly above the spear, over-
shot, screw-in sub, or safety joint. The
tool is designed to allow a vertical stroke
— upward or downward — whether it is
rotating or not, and is always available
to the operator. The Fishing Bumper Sub
will transmit full torque at all times dur-
ing rotation and bumping operations.
When lift load is applied, the Fishing
Bumper Sub will slide open until the
knocker hits the mandrel body. Slack-
ing weight o the string will cause the
mandrel to slide back down the man-
drel body until the bottom shoulder of
the mandrel hits the top shoulder of the
mandrel body.
Fishing Operations
A Fishing Bumper Sub should be in-
cluded in the fishing string whenever a
releasing type fishing tool will be used.
If it becomes impossible to pull the fish,
the operator will have means available
to release the fishing tool. The Fishing
Bumper Sub will deliver a sharp blow
and transmit the torque required to dis-
engage and release a fishing tool from
the fish.
A properly made-up Fishing Bumper
Sub is generally placed immediately
above the fishing tool, safety joint, or
unlatching joint.
Drilling Operations
The Fishing Bumper Sub is generally
installed in the drill string immediately
above the drill collars.
Applying a Downward Blow
At the surface, mark the pipe to indicate
the open and closed positions of the
Fishing Bumper Sub. Raise the fishing
string to open the full stroke length (20
– 60 inches depending on the size of the
tool) and allow for extra string stretch.
To deliver a sharp downward blow,
sharply drop the string and abruptly
stop with the brake approximately four
(4) to six (6) inches above the closed
position of the Fishing Bumper Sub. To
deliver a solid downward blow, drop the
full weight of the fishing string without
braking. This will cause the lower end of
the fishing string to drop downward and
the Fishing Bumper Sub will close. If the
fishing string has suicient stretch and
elasticity, the Fishing Bumper Sub will
then deliver a series of downward blows
to the tool below.
Applying an Upward Blow
At the surface, mark the pipe to indicate
the open and closed positions of the
Fishing Bumper Sub. Raise the fishing
string to open the bumper sub and allow
for additional string stretch. Drop the
string by the amount of the stretch only
and stop it abruptly with the brake. As
the pipe rebounds at the bottom of the
hole, the Fishing Bumper Sub will quick-
ly reopen. This will cause the knocker to
strike the lower end of the mandrel body
with a solid upward blow.
Feeding-O
When employing a Logan Fishing
Bumper Sub as a feed-o tool, install the
Fishing Bumper Sub in a cutting string
several joints above a Logan Internal
Cutter. In this operation, a Fishing Bum-
per Sub with a 20-inch stroke will pick
up ten inches of the cutting string after
the cutter is set. Only the predetermined
weight of the pipe between the inter-
nal cutter and the Fishing Bumper Sub
is applied to the cutter, thus ensuring
smooth operation of the cutter.

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
6
FISHING TOOLS
KNOCKER SEAL/RING ASSEMBLY INSTALLATION
Completed knocker assembly with seal protector
rings, non-extrusion rings, and O-rings correctly
installed in the upper and lower grooves.
Install the O-ring. Stretch the o-ring until it is large
enough to fit around the knocker.
Using the O-ring installation tool, insert the O-ring
in the groove between the seal protector ring and
non-extrusion ring.
Repeat seal/ring installation procedure on the
upper groove.
Matching the bevel of the non-extrusion ring
to the bevel of the groove, carefully expand
the non-extrusion ring to fit over the outside
diameter of the knocker. Do not expand the non-
extrusion ring more than absolutely necessary.
Slide the non-extrusion ring over the knocker and
into the groove.
Before installation, carefully examine and clean
each groove. Smooth out any nicks or burrs with
emery cloth.
With the aid of the O-ring installation tool (Logan
Part No. J1074, available upon request), press the
seal protector ring into the groove next to the
non-extrusion ring with the thumbs until the ring is
firmly seated in the groove.

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
7
FISHING TOOLS
Packing Ring Knocker
Chevron Packing
4. Repeat seal/ring installation proce-
dure on the upper groove. Skip to
step 6 to continue.
5. Install optional chevron packing
according to the diagram above.
Reinstall the packing ring and re-
tainer ring.
6. Secure the upper end of the mandrel
body horizontally into a suitable
vise. Thoroughly coat the polished
surfaces with a good grade of clean,
lightweight oil.
CAUTION: Use only enough grip-ping
action in the vise to secure the body.
Avoid making heavy tool marks.
7. Align the hexagon shapes of the
mandrel and mandrel body and slide
the mandrel through the bottom of
the mandrel body. Continue to gently
push the mandrel through until the
mandrel bumps against the mandrel
body. Do not force the mandrel —
the mandrel should freely move back
and forth. If resistance is encoun-
tered, remove the mandrel and
remove any foreign matter.
8. Lubricate and install the knocker
on the upper end of the mandrel.
Tighten.
9. Install the lock screw in the knocker.
Make sure it locks onto the undercut
provided on the mandrel.
10. Carefully slide the middle body over
the knocker and mandrel to avoid
damaging the knocker seals. Tight-
en the connection to the mandrel
body.
11. Install top sub on middle body.
Tighten the connection between
the top sub and the upper end
of the middle body.
12. Tighten all connections before run-
ning the tool in the hole. Refer to
the Tightening Torques table on
page 23.
13. Paint or lubricate exterior surfaces
to prevent corrosion. If the tool will
be stored outside, the exterior of
the tool should be cleaned and
painted, or coated with a heavy
application of grease.
Assembly is now complete and the tool
is ready for service.
If the tool will be stored for future ser-
vice, install thread protectors and apply
a good grade of thread dope to the tool
joints.
Male Adapter (2 Req’d)
Pressure Rings (10 Req’d)
Mandrel
Retainer Ring
Female Adapter (1 Req’d)

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
8
FISHING TOOLS
MAINTENANCE
The wear-resistant Logan Fishing Bum-
per Sub requires minimal maintenance.
Thoroughly wash the tool — inside and
out — and remove all drilling mud and
debris after each use. Lubricate cleaned
tool to prevent corrosion. The knocker
seal rings should be periodically exam-
ined for damage and wear. The tool
should be disassembled and the rings
replaced when damage is evident.
Complete Disassembly
Refer to the illustration on page 3 and
proceed with disassembly as follows:
CAUTION: Use only enough grip-ping
action in the vise to break the connec-
tions. Avoid making heavy tool marks.
1. Secure the Logan Fishing Bumper
Sub a suitable vise, approximately
in the middle of the mandrel body.
2. Remove the top sub and lay it aside.
3. Remove the middle body from the
mandrel body and lay it aside.
4. Back-o or remove the knocker lock
screw before removing the knocker
to prevent damage to the mandrel.
CAUTION: Before removing the
knocker, make certain the knocker
lock screw is removed or backed-o.
The knocker set screw could damage
the mandrel.
5. Remove the knocker from the
mandrel and lay it aside.
CAUTION: Do not wrench on the hard-
faced bands between the wrench flats
or gouge them with the sides of the
wrench jaws. If they are inadvertently
upset or otherwise damaged, remove
the upset or burr with fine emery cloth
or a hand file. Clean and lubricate.
8. Slide the mandrel out through the
bottom of the mandrel body. Support
the weight of the mandrel with a
soft line or wire rope sling as it is
removed.
9. Remove the mandrel and lay it
aside.
10.Remove the mandrel body from the
vise and lay it aside.
11. Skip to step 15 if the optional chev-
ron packing set has been used.
12.Examine the knocker O-ring seals,
seal protector rings, and seal non-
extrusion rings for wear and/or
damage. Remove seals and rings
that show signs of wear and/or
damage.
a. Carefully insert the tip of either the
bent-tip installation tool* (Logan
Part No. J1073) or O-ring installa-
tion tool* (Logan Part No. J1074)
between the O-ring and the seal
protector ring. Carefully lift out the
O-ring, taking care not to damage
the seal protector ring or non-
extrusion ring.
CAUTION: Do not run the installation
tool around the groove under the
rings. This will scratch and damage the
grooves.
13. Examine the O-rings for damage or
distortion. Check the seal protector
rings and non-extrusion rings, using
the forefinger to feel for burrs or
other damage.
14. Remove all damaged seal protector
rings and non-extrusion rings.
15. Inspect optional chevron packing
set (if used) by removing the
retainer ring and packing ring. Refer
to the diagram on page 5. Replace
chevron packing set if it is worn or
damaged.
16. Thoroughly clean all disassembled
parts in solvent and wipe dry with
a clean, soft cloth. Lubricate parts
with a thin coating of a good grade
of clean lightweight oil.
17. Examine all parts for defects,
especially polished surfaces, for
pits or scratches. Parts that have
become pitted or scratched must
be replaced with new parts prior
to reassembly.
18.Inspect the mandrel for upsets.
Grind o upsets with a small hand
file or grinder.
Disassembly is now complete.
* These installation tools are available from Logan upon request.

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
9
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 1-13/16 1-1/4 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8
WFJ API REG EUE API REG API IF API IF EUE
OUTSIDE DIAMETER (INCHES) 1-13/16 2-1/4 3-1/8 3-5/32 3-3/8 3-3/4 3-3/4
INSIDE DIAMETER (INCHES) 3/8 1/2 1-17/32 1 1 1-1/2 1-7/8
STROKE (INCHES) 20 20 20 20 20 20 20
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 10120 18785 42592 10105 10190 39887 39893
TOP SUB Logan Part No. AF1000 AF1001 AF10015 AF1002 AF10025 AF1003 AF1004
Bowen No. 10121 18786 42593 10106 10191 39888 39894
MANDREL BODY Logan Part No. AF2000 AF2001 AF20015 AF2002 AF20025 AF2003 AF2004
Bowen No. 10123 18788 42596 10108 10193 39890 39896
MIDDLE BODY Logan Part No. AF3000-20 AF3001-20 AF30015-20 AF3002-20 AF30025-20 AF3003-20 AF3004-20
(20-inch stroke) Bowen No. 10122 18787 42594 10107 10192 39889 39895
MANDREL Logan Part No. AF4000-20 AF4001-20 AF40015-20 AF4002-20 AF40025-20 AF4003-20 AF4004-20
(20-inch stroke) Bowen No. 10125 18789 42597 10110 10194 39891 39897
KNOCKER Logan Part No. AF5000 AF5001 AF50015 AF5002 AF50025 AF5003 AF5004
Bowen No. 10126 18790 42595 10111 10195 39892 39898
NON-EXTRUSION RING Logan Part No. L385-22 L385-27 L216-34 L387-6 L385-35 L216-38 L216-38
Bowen No. 385-22 385-27 216-34 387-6 385-35 216-38 216-38
No. Req’d 4 4 4 4 4 4 4
SEAL PROTECTOR RING Part No. L386-22 L386-27 L227-34 L388-6 L386-35 L227-38 L227-38
Bowen No. 386-22 386-27 227-34 388-6 386-35 227-38 227-38
No. Req’d 4 4 4 4 4 4 4
KNOCKER SEAL RING Logan Part No. 568-217 568-222 568-331 568-228 568-332 568-335 568-335
Bowen No. 568217 568222 568331 568228 568332 568335 568335
No. Req’d 2 2 2 2 2 2 2
KNOCKER LOCK SCREW Logan Part No. … … AF6001 AF6000 AF6000 AF6000 AF6001
Bowen No. … … 54775 48879 48879 48879 54775
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

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PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
10
FISHING TOOLS
OPTIONAL ACCESSORIES
CHEVRON PACKING KNOCKER ASSEMBLY  BREAKDOWN:
COMPLETE ASSEMBLY Logan Part No. … … … … … … …
Bowen No. … … … … … … …
KNOCKER Logan Part No. … … … … … … …
Bowen No. … … … … … …
PACKING RING Logan Part No. … … … … … … …
Bowen No. … … … … … … …
CENTER RING Logan Part No. … … … … … … …
Bowen No. … … … … … … …
CHEVRON PACKING SET Logan Part No. … … … … … … …
Bowen No. … … … … … … …
RETAINING RING Logan Part No. … … … … … … …
Bowen No. … … … … … … …
PACKING RETAINER Logan Part No. … … … … … … …
Bowen No. … … … … … … …
No. Req’d … … … … … … …
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals
Fishing Bumper Sub
CONNECTION 1-13/16 1-1/4 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8
WFJ API REG EUE API REG API IF API IF EUE
OUTSIDE DIAMETER (INCHES) 1-13/16 2-1/4 3-1/8 3-5/32 3-3/8 3-3/4 3-3/4
INSIDE DIAMETER (INCHES) 3/8 1/2 1-17/32 1 1 1-1/2 1-7/8
STROKE (INCHES) 20 20 20 20 20 20 20
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 10120 18785 42592 10105 10190 39887 39893

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
11
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 1-13/16 1-1/4 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8
WFJ API Reg EUE API Reg API IF API IF EUE
OUTSIDE DIAMETER (INCHES) 1-13/16 2-1/4 3-1/8 3-5/32 3-3/8 3-3/4 3-3/4
INSIDE DIAMETER (INCHES) 3/8 1/2 1-17/32 1 1 1-1/2 1-7/8
30" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 29523 29529 46881 29535 29538 46863 46866
MANDREL Logan Part No. AF4000-30 AF4001-30 AF40015-30 AF4002-30 AF40025-30 AF4003-30 AF4004-30
Bowen No. 29524 29530 46882 29536 29539 46864 46867
MIDDLE BODY Logan Part No. AF3000-30 AF3001-30 AF30015-30 AF3002-30 AF30025-30 AF3003-30 AF3004-30
Bowen No. 29525 29531 46883 29537 29540 46865 46868
36" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 29574 29580 49608 29586 29589 46890 46893
MANDREL Logan Part No. AF4000-36 AF4001-36 AF40015-36 AF4002-36 AF40025-36 AF4003-36 AF4004-36
Bowen No. 29575 29581 46909 29587 29590 46891 46894
MIDDLE BODY Logan Part No. AF3000-36 AF3001-36 AF30015-36 AF3002-36 AF30025-36 AF3003-36 AF3004-36
Bowen No. 29576 29582 46910 29588 29591 46892 46895
42" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 29619 29625 46935 16933 29643 46917 46920
MANDREL Logan Part No. AF4000-42 AF4001-42 AF40015-42 AF4002-42 AF40025-42 AF4003-42 AF4004-42
Bowen No. 29620 29626 46936 16935 26944 46918 46921
MIDDLE BODY Logan Part No. AF3000-42 AF3001-42 AF30015-42 AF3002-42 AF30025-42 AF3003-42 AF3004-42
Bowen No. 29621 29627 46937 16934 26945 46919 46922
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
12
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 1-13/16 1-1/4 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8
WFJ API Reg EUE API Reg API IF API IF EUE
OUTSIDE DIAMETER (INCHES) 1-13/16 2-1/4 3-1/8 3-5/32 3-3/8 3-3/4 3-3/4
INSIDE DIAMETER (INCHES) 3/8 1/2 1-17/32 1 1 1-1/2 1-7/8
48" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 29682 29688 46962 16936 29694 46944 46947
MANDREL Logan Part No. AF4000-48 AF4001-48 AF40015-48 AF4002-48 AF40025-48 AF4003-48 AF4004-48
Bowen No. 29683 29689 46963 16938 29695 46945 46948
MIDDLE BODY Logan Part No. AF3000-48 AF3001-48 AF30015-48 AF3002-48 AF30025-48 AF3003-48 AF3004-48
Bowen No. 29684 29690 46964 16937 29696 46946 46949
60" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-181 604-225 604-313 604-315 604-338 604-375 604-376
Bowen No. 29748 29754 46989 29760 29763 46971 46974
MANDREL Logan Part No. AF4000-60 AF4001-60 AF40015-60 AF4002-60 AF40025-60 AF4003-60 AF4004-60
Bowen No. 29749 29755 46990 29761 29764 46972 46975
MIDDLE BODY Logan Part No. AF3000-60 AF3001-60 AF30015-60 AF3002-60 AF30025-60 AF3003-60 AF3004-60
Bowen No. 29750 29756 46991 29762 29765 46973 46976
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
13
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 2-7/8 2-7/8 2-7/8 3-1/2 3-1/2 4-1/2 4-1/2
API Reg API IF EUE API IF API IF API FH API IF
OUTSIDE DIAMETER (INCHES) 3-3/4 4-1/4 4-1/2 4-3/4 4-3/4 6 6-1/4
INSIDE DIAMETER (INCHES) 1-1/4 1-15/16 2-3/8 2 1-1/2 2 2-1/4
STROKE (INCHES) 20 20 20 20 20 20 20
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 10090 41824 36794 39905 10225 10135 10257
TOP SUB Logan Part No. AF1005 AF1006 AF1007 AF1008 AF10085 AF1009 AF1010
Bowen No. 10091 41825 36795 39906 10226 10136 1025
MANDREL BODY Logan Part No. AF2005 AF2006 AF2007 AF2008 AF20085 AF2009 AF2010
Bowen No. 10093 10158 36797 39908 10228 10138 10267
MIDDLE BODY Logan Part No. AF3005-20 AF3006-20 AF3007-20 AF3008-20 AF30085-20 AF3009-20 AF3010-20
(20-inch stroke) Bowen No. 10092 10157 36796 39907 10227 10137 10262
MANDREL Logan Part No. AF4005-20 AF4006-20 AF4007-20 AF4008-20 AF40085-20 AF4009-20 AF4010-20
(20-inch stroke) Bowen No. 10095 41828 36798 39909 10229 10140 10268
KNOCKER Logan Part No. AF5005 AF5006 AF5007 AF5008 AF50085 AF5009 AF5010
Bowen No. 10096 41829 36799 39910 10230 10141 10250
NON-EXTRUSION RING Logan Part No. L385-37 L385-41 L216-44.5 L385-44 L385-44 L385-52 L385-54
Bowen No. 385-37 385-41 216-44.5 385-44 385-44 385-52 385-54
No. Req’d 4 4 4 4 4 4 4
SEAL PROTECTOR RING Logan Part No. L386-37 L386-41 L227-44.5 L386-44 L386-44 L386-52 L386-54
Bowen No. 386-37 386-41 227-44.5 386-44 386-44 386-52 386-54
No. Req’d 4 4 4 4 4 4 4
KNOCKER SEAL RING Logan Part No. 568-334 568-338 568-341 568-341 568-341 568-349 568-427
Bowen No. 568334 568338 568341 568341 568341 568349 568427
No. Req’d 2 2 2 2 2 2 2
KNOCKER LOCK SCREW Logan Part No. AF6002 AF6000 AF6000 AF6000 AF6002 AF6003 AF6003
Bowen No. 54769 48879 48879 48879 54769 43305 43305
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
14
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 2-7/8 2-7/8 2-7/8 3-1/2 3-1/2 4-1/2 4-1/2
API Reg API IF EUE API IF API IF API FH API IF
OUTSIDE DIAMETER (INCHES) 3-3/4 4-1/4 4-1/2 4-3/4 4-3/4 6 6-1/4
INSIDE DIAMETER (INCHES) 1-1/4 1-15/16 2-3/8 2 1-1/2 2 2-1/4
STROKE (INCHES) 20 20 20 20 20 20 20
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 10090 41824 36794 39905 10225 10135 10257
OPTIONAL ACCESSORIES
CHEVRON PACKING KNOCKER ASSEMBLY
COMPLETE ASSEMBLY Logan Part No. 25000-014 25000-015 25000-016 25000-017 25000-023 25000-018 25000-019
Bowen No. 30910 59191 62774 59177 81172 50321 62205
KNOCKER Logan Part No. AF7000 AF7001 AF7002 AF7003 AF70035 AF7004 AF7005
Bowen No. 30911 59192 62775 59178 81173 50322 62206
PACKING RING Logan Part No. AF8000 AF8001 AF8002 AF8003 AF80035 AF8004 AF8005
Bowen No. 30912 59193 62776 59179 81174 50323 62207
CENTER RING Logan Part No. AF9000 AF9001 AF9002 AF9003 AF90035 AF9004 AF9005
Bowen No. 30913 59194 62777 59180 81175 50324 62208
CHEVRON PACKING SET Logan Part No. AF10000 AF10001 AF10002 AF10003 AF100035 AF10004 AF10005
Bowen No. 30914 59195 62778 59181 81176 50325 62209
RETAINING RING Logan Part No. AF11000 AF11001 AF11002 AF11003 AF110035 AF11004 AF11005
Bowen No. 19812 59196 59182 59182 81177 50326 13177
PACKING RETAINER Logan Part No. AF12000 AF12001 AF12002 AF12003 … AF12004 AF12005
Bowen No. 62345 59197 62780 59183 … 50009 62210
No. Req’d 2 2 2 2 … 2 2
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
15
FISHING TOOLS
42" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 29646 46923 46929 46932 29661 29667 29670
MANDREL Logan Part No. AF4005-42 AF4006-42 AF4007-42 AF4008-42 AF40085-42 AF4009-42 AF4010-42
Bowen No. 29647 46924 46930 46933 29662 29668 29671
MIDDLE BODY Logan Part No. AF3005-42 AF3006-42 AF3007-42 AF3008-42 AF30085-42 AF3009-42 AF3010-42
Bowen No. 29648 46925 46931 46934 29663 29669 29672
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals
Fishing Bumper Sub
CONNECTION 2-7/8 2-7/8 2-7/8 3-1/2 3-1/2 4-1/2 4-1/2
API Reg API IF EUE API IF API IF API FH API IF
OUTSIDE DIAMETER (INCHES) 3-3/4 4-1/4 4-1/2 4-3/4 4-3/4 6 6-1/4
INSIDE DIAMETER (INCHES) 1-1/4 1-15/16 2-3/8 2 1-1/2 2 2-1/4
30" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 29541 46869 46875 46878 29562 16150 20005
MANDREL Logan Part No. AF4005-30 AF4006-30 AF4007-30 AF4008-30 AF40085-30 AF4009-30 AF4010-30
Bowen No. 29542 46870 46876 46879 29563 16151 20007
MIDDLE BODY Logan Part No. AF3005-30 AF3006-30 AF3007-30 AF3008-30 AF30085-30 AF3009-30 AF3010-30
Bowen No. 29543 46871 46877 46880 29564 16152 20006
36" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 25180 46896 46902 46905 29604 10147 29610
MANDREL Logan Part No. AF4005-36 AF4006-36 AF4007-36 AF4008-36 AF40085-36 AF4009-36 AF4010-36
Bowen No. 25182 46897 46903 46906 29605 10149 29611
MIDDLE BODY Logan Part No. AF3005-36 AF3006-36 AF3007-36 AF3008-36 AF30085-36 AF3009-36 AF3010-36
Bowen No. 25181 46898 46904 46907 29606 10148 29612

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
16
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 2-7/8 2-7/8 2-7/8 3-1/2 3-1/2 4-1/2 4-1/2
API Reg API IF EUE API IF API IF API FH API IF
OUTSIDE DIAMETER (INCHES) 3-3/4 4-1/4 4-1/2 4-3/4 4-3/4 6 6-1/4
INSIDE DIAMETER (INCHES) 1-1/4 1-15/16 2-3/8 2 1-1/2 2 2-1/4
48" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 29697 46956 46950 46959 29715 19880 29736
MANDREL Logan Part No. AF4005-48 AF4006-48 AF4007-48 AF4008-48 AF40085-48 AF4009-48 AF4010-48
Bowen No. 29698 46957 46951 46960 29716 19881 29737
MIDDLE BODY Logan Part No. AF3005-48 AF3006-48 AF3007-48 AF3008-48 AF30085-48 AF3009-48 AF3010-48
Bowen No. 29699 46958 46952 46961 29717 19882 29738
60" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-377 604-425 604-450 604-475 604-476 604-600 604-625
Bowen No. 29766 46983 46977 46986 29781 29790 25385
MANDREL Logan Part No. AF4005-60 AF4006-60 AF4007-60 AF4008-60 AF40085-60 AF4009-60 AF4010-60
Bowen No. 29767 46984 46978 46987 29782 29791 25387
MIDDLE BODY Logan Part No. AF3005-60 AF3006-60 AF3007-60 AF3008-60 AF30085-60 AF3009-60 AF3010-60
Bowen No. 29768 46985 46979 46988 29786 29792 25386
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20”. Only the Mandrel and Middle Body need to be ordered to convert a standard 20” stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
17
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 5-1/2 6-5/8 7-5/8
API Reg API Reg API Reg
OUTSIDE DIAMETER (INCHES) 6-3/4 7-3/4 9
INSIDE DIAMETER (INCHES) 2-3/4 3-1/2 4
STROKE (INCHES) 20 20 20
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 10690 26595 61596
TOP SUB Logan Part No. AF1011 AF1012 AF1013
Bowen No. 10691 26596 61597
MANDREL BODY Logan Part No. AF2011 AF2012 AF2013
Bowen No. 10693 26598 61599
MIDDLE BODY Logan Part No. AF3011-20 AF3012-20 AF3013-20
(20-inch stroke) Bowen No. 10692 26597 61598
MANDREL Logan Part No. AF4011-20 AF4012-20 AF4013-20
(20-inch stroke) Bowen No. 10694 26599 61600
KNOCKER Part No. AF5011 AF5012 AF5013
Bowen No. 10695 26594 61601
NON-EXTRUSION RING Logan Part No. L385-58 L385-65 L216-68.5
Bowen No. 385-58 385-65 216-68.5
No. Req’d 4 4 4
SEAL PROTECTOR RING Logan Part No. L386-58 L386-65 L227-68.5
Bowen No. 386-58 386-65 227-68.5
No. Req’d 4 4 4
KNOCKER SEAL RING Logan Part No. 568-431 568-438 568-441
Bowen No. 568431 568438 568441
No. Req’d 2 2 2
KNOCKER LOCK SCREW Logan Part No. AF6003 AF6003 AF6004
Bowen No. 43305 43305 54770
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
18
FISHING TOOLS
OPTIONAL ACCESSORIES
CHEVRON PACKING KNOCKER ASSEMBLY
COMPLETE ASSEMBLY Logan Part No. 25000-020 25000-021 …
Bowen No. 57013 61103 …
KNOCKER Logan Part No. AF7006 AF7007 …
Bowen No. 57014 61104 …
PACKING RING Logan Part No. AF8006 AF8007 …
Bowen No. 57015 61105 …
CENTER RING Logan Part No. AF9006 AF9007 …
Bowen No. 62374 62378 …
CHEVRON PACKING SET Logan Part No. AF10006 AF10007 …
Bowen No. 57016 61106 …
RETAINING RING Logan Part No. AF11006 AF11007 …
Bowen No. 57017 59907 …
PACKING RETAINER Logan Part No. AF12006 AF12007 …
Bowen No. 62375 62379 …
No. Req’d 2 2 …
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20”. Only the Mandrel and Middle Body need to be ordered to convert a standard 20” stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals
Fishing Bumper Sub
CONNECTION 5-1/2 6-5/8 7-5/8
API Reg API Reg API Reg
OUTSIDE DIAMETER (INCHES) 6-3/4 7-3/4 9
INSIDE DIAMETER (INCHES) 2-3/4 3-1/2 4
STROKE (INCHES) 20 20 20
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 10690 26595 61596

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
19
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 5-1/2 6-5/8 7-5/8
API Reg API Reg API Reg
OUTSIDE DIAMETER (INCHES) 6-3/4 7-3/4 9
INSIDE DIAMETER (INCHES) 2-3/4 3-1/2 4
30" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 14520 29568 70408
MANDREL Logan Part No. AF4011-30 AF4012-30 AF4013-30
Bowen No. 14522 29569 70410
MIDDLE BODY Logan Part No. AF3011-30 AF3012-30 AF3013-30
Bowen No. 14521 29570 70409
36" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 13590 29616 70411
MANDREL Logan Part No. AF4011-36 AF4012-36 AF4013-36
Bowen No. 13592 29617 70413
MIDDLE BODY Logan Part No. AF3011-36 AF3012-36 AF3013-36
Bowen No. 13591 29618 70412
42" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 29676 29679 70414
MANDREL Logan Part No. AF4011-42 AF4012-42 AF4013-42
Bowen No. 29677 29680 70416
MIDDLE BODY Logan Part No. AF3011-42 AF3012-42 AF3013-42
Bowen No. 29678 29681 70415
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20". Only the Mandrel and Middle Body need to be ordered to convert a standard 20" stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals

11006 Lucerne Street | Houston, Texas 77016 | T: [phone] | Fax: [phone] | [email protected]2nd Printing, Sept. 2012. Rev. 1
PRODUCT MANUAL
Fishing Bumper Subs
DOCUMENT
Manual D450
PAGE
20
FISHING TOOLS
Fishing Bumper Sub
CONNECTION 5-1/2 6-5/8 7-5/8
API Reg API Reg API Reg
OUTSIDE DIAMETER (INCHES) 6-3/4 7-3/4 9
INSIDE DIAMETER (INCHES) 2-3/4 3-1/2 4
48" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 29742 29745 70417
MANDREL Logan Part No. AF4011-48 AF4012-48 AF4013-48
Bowen No. 29743 29746 70419
MIDDLE BODY Logan Part No. AF3011-48 AF3012-48 AF3013-48
Bowen No. 29744 29747 70418
60" STROKE
COMPLETE ASSEMBLY Logan Part No. 604-675 604-775 604-900
Bowen No. 29796 29799 70420
MANDREL Logan Part No. AF4011-60 AF4012-60 AF4013-60
Bowen No. 29797 29800 70422
MIDDLE BODY Logan Part No. AF3011-60 AF3012-60 AF3013-60
Bowen No. 29798 29801 70421
Logan Oil Tools reserves the right to change or discontinue designs without notice.
Special Notes:
(1) Standard stroke for Bumper Subs is 20”. Only the Mandrel and Middle Body need to be ordered to convert a standard 20” stroke assembly to one
of greater stroke length. All other parts interchange for a given size. When a long stroke assembly is ordered by assembly number, the entire tool
is ordered. To convert, order only the Mandrel and Middle Body by part number.
When ordering, please specify:
(1) Name and number of assembly or part
(2) Connections, if other than standard
(3) Stroke length
(4) O.D., if other than standard
Recommended Spare Parts:
(1) 8 Non-Extrusion Rings
(2) 8 Seal Protector Rings
(3) 16 Knocker Seals