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Manual D450 • Fishing Bumper Subs • Page 1  

Contents

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-Off ......................................................................... 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

Logan Fishing Bumper Sub

 •  

1

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 affiliated with National Oilwell Varco.

Logan Oil Tools does not sell, or offer to sell, National Oilwell 

Varco (Bowen) products.

“Bowen” is a registered trademark of National Oilwell Varco.

2nd Printing, September 2012. Rev. 1

Содержание 604-181

Страница 1: ...Fishing Bumper Sub Manual D450 ...

Страница 2: ...nd Parts Lists 8 19 Strength Data 20 22 Recommended Tightening Torques 23 Logan Fishing Bumper Sub 1 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 affiliated with National Oilwell Varco Logan Oil Tools does not sell or offe...

Страница 3: ...s equally effective 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 Bumpe...

Страница 4: ...fe 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 ...

Страница 5: ... 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 Fish ing Bumper Sub will deliver a sharp blow and transmit the torque required to disengage and release a fishing tool from the fish A properly made up Fishing Bumper Sub is generally placed immediately above the fi...

Страница 6: ... 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 neces sary Slide the non extrusion ring over the knocker and into the groove Before installation carefully examine and clean each groove S...

Страница 7: ...ered 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 mid...

Страница 8: ... 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 ins...

Страница 9: ... 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 AF...

Страница 10: ... 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 ...

Страница 11: ...04 338 604 375 604 376 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 rig...

Страница 12: ...DDLE 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 strok...

Страница 13: ...R 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 A...

Страница 14: ... 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 Standa...

Страница 15: ... 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 ...

Страница 16: ...5 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 inter...

Страница 17: ...CKER 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 str...

Страница 18: ...terchange 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...

Страница 19: ...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 orde...

Страница 20: ...al 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 ...

Страница 21: ...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 affiliated with National Oilwell Varco Logan Oil Tools does not sell or offer to sell National Oilwell Varco Bowen products Bowen is a registered trademark of National Oilwell Varco 30 STROKE COMPLETE ASSEMBLY Logan Part No 604 181 604 225 604 313 604 315 60...

Страница 22: ...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 affiliated with National Oilwell Varco Logan Oil Tools does not sell or offer to sell National Oilwell Varco Bowen products Bowen is a registered trademark of National Oilwell Varco Logan Fishing Bumper Sub 21 STRENGTH DATA 30 STROKE COMPLETE ASSEMBLY Logan ...

Страница 23: ...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 affiliated with National Oilwell Varco Logan Oil Tools does not sell or offer to sell National Oilwell Varco Bowen products Bowen is a registered trademark of National Oilwell Varco STRENGTH DATA 30 STROKE COMPLETE ASSEMBLY Logan Part No 604 675 604 775 604 ...

Страница 24: ...ECOMMENDED TIGHTENING TORQUES Top Sub Knocker Middle Body Mandrel Mandrel to Knocker internal connection Mandrel Body MAXIMUM RECOMMENDED TIGHTENING TORQUES FT LBS COMPLETE ASSEMBLY Logan Part No 604 675 604 775 604 900 Bowen No 10690 26595 61596 MANDREL TO KNOCKER 10 500 20 250 31 250 MANDREL BODY TO MIDDLE BODY 17 250 23 150 47 000 MIDDLE BODY TO TOP SUB 17 250 23 150 47 000 TORQUE YIELD FT LBS ...

Страница 25: ...Page 24 Fishing Bumper Subs Manual D450 24 Logan Fishing Bumper Sub NOTES ...

Страница 26: ...on TX 77066 3008 832 602 2134 I Fax 832 286 4117 11006 Lucerne Street Houston Texas 77016 1920 281 219 6613 I Fax 281 219 6638 1305 Energy Drive Kilgore TX 75662 5539 903 984 6700 I Fax 903 984 6755 601 McDonald Odessa TX 79761 6106 432 580 7414 I Fax 432 580 7656 Utah 1369 South 1100 East Vernal UT 84078 8600 435 781 2856 I Fax 435 781 2858 INTERNATIONAL STOCKING DISTRIBUTORS Canada Logan Oil Too...

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