CN102619481A - Mechanical completion string running tool - Google Patents
Mechanical completion string running tool Download PDFInfo
- Publication number
- CN102619481A CN102619481A CN2012101093644A CN201210109364A CN102619481A CN 102619481 A CN102619481 A CN 102619481A CN 2012101093644 A CN2012101093644 A CN 2012101093644A CN 201210109364 A CN201210109364 A CN 201210109364A CN 102619481 A CN102619481 A CN 102619481A
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- live spindle
- fairlead
- top connection
- wall
- short circuit
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Abstract
A mechanical completion string running tool is applied to running of a completion string for oil and gas well drilling. The lower end of an upper joint is in threaded connection with a guide sleeve; a minor-diameter cylindrical tube at the upper end of a rotating mandrel is placed inside a central hole at the lower end of the upper joint; a compression spring is sleeved at the upper end of the rotating mandrel; a plane bearing sleeve at the lower end of the rotating mandrel is located on the outer wall of the minor-diameter cylindrical tube of the rotating mandrel; an annular step is arranged on the inner wall of the guide sleeve, and an annular shaft shoulder which protrudes outwards at the upper end of a major-diameter cylindrical tube of the rotating mandrel is matched with the annular step on the inner wall of the guide sleeve; the major-diameter cylindrical tube of the rotating mandrel is arranged inside the guide sleeve; a helical groove is arranged on the outer wall of the major-diameter cylindrical tube of the rotating mandrel, and a guide pin is fixed inside a screw hole of the guide sleeve; and the lower end of the rotating mandrel is connected with a transitional short connector and a casing shoe with cutting teeth. The mechanical completion string running tool has the advantages that the completion string is lifted and put down to remove obstructions for the string in the process of removing obstructions for descending the string.
Description
Technical field
The present invention relates to the oil and gas well drilling technical field, particularly the special tool that is lowered to of completion tubular column is a kind of instrument that is lowered to of mechanical type completion tubular column.
Background technology
Along with deepening continuously of exploration and development; Quantity such as deep-well, ultradeep well and horizontal well, extended reach well are more and more; Tubing string (like sleeve pipe and screen casing etc.) following increasing deeply, the well track that is lowered to of tubing string becomes increasingly complex, and the lower tubular column technology has also been proposed increasingly high requirement.
At present, be lowered to and be hampered when down-hole, completion tubular column bottom runs into big landwaste stone completion tubular column, conventional solution is: the rotation tubing string and on put and put tubing string, set up mud circulation simultaneously.This method can effectively solve the completion tubular column of the simple oil gas well of well track and transfer.Yet, when the complicated completion tubular column of complicated wells such as big displacement is transferred,,, be difficult to the whole endowel of rotation because the well frictional resistance is bigger in case completion tubular column is transferred and is hampered.Even can rotate tubing string sometimes, also might damage complicated completion tubular column.Especially adopt the top to drive and the conventional drilling of sleeve pipe clamping head; In case transferring, completion tubular column is hampered; Setting up mud circulation needs repeated disassembled and assembled cover pipe thread and one of needs to become snapping head splicing sleeve and kelly bar; Waste the plenty of time so not to the utmost, and the requirement of repeated disassembled and assembled cover pipe thread site operation is unallowed.
Summary of the invention
The objective of the invention is: provide a kind of mechanical type completion tubular column to be lowered to instrument and method for using thereof; Do not rotating completion tubular column, do not having and carry out under the condition of mud circulation; Only through on put and put completion tubular column; The realization completion tubular column is transferred to design attitude smoothly, can in well track complex hydrocarbon well, completion tubular column transferred smoothly.
The technical scheme that the present invention adopts is: the mechanical type completion tubular column is lowered to instrument, mainly is made up of the casing shoe of top connection, fairlead, compression spring, plane bearing, live spindle, guide finger, protective sleeve, transition short circuit and band cutting teeth.It is characterized in that: there is the sleeve pipe internal thread upper end of top connection, can be connected the lower end of completion tubular column.Top connection has centre bore; There is external screw thread the top connection lower end, the top connection lower end columnar fairlead that is threaded; The upper end small diameter cylinders shape pipe of live spindle is in the centre bore of top connection lower end, and live spindle upper end small diameter cylinders shape pipe is slidingly matched with the top connection centre bore; Form annular space between the upper end small diameter cylinders shape pipe outer wall of live spindle and the fairlead inwall; Be with a compression spring in the upper end of live spindle; The upper end of compression spring contacts with the lower surface of top connection, and the lower end of compression spring is pressed on the step surface of plane bearing; The lower end plane bearing of live spindle is enclosed within on the small diameter cylinders shape pipe outer wall of live spindle and on plane on the annular shaft shoulder body of outside protrusion;
Described live spindle outer wall is that stairstepping is cylindrical, and live spindle has centre bore; There is small diameter cylinders shape pipe the live spindle upper end, and there is the large diameter cylinder type pipe live spindle lower end; The annular shaft shoulder body that outside protrusion is arranged in the upper end of live spindle large diameter cylinder type pipe;
A ring-shaped step is arranged on the fairlead inwall, live spindle large diameter cylinder type pipe upper end outwards on annular shaft shoulder body and the fairlead inwall of protrusion ring-shaped step cooperate, limit the axially-movable of live spindle; The large diameter cylinder type pipe of live spindle is in fairlead; On the outer wall of live spindle large diameter cylinder type pipe spiral helicine groove is arranged; The cross screw hole is arranged on the wall of fairlead, in the screw hole of fairlead, be fixed with tubular guide finger, the inner of guide finger is inserted in the helical groove of live spindle large diameter cylinder type pipe; When top connection promoted fairlead downwards, guide finger slided in the live spindle helical groove, made live spindle produce rotation.
There is external screw thread the lower end of live spindle; The lower end screw thread of live spindle is connected with a transition short circuit, and there is external screw thread the upper end of transition short circuit, and the upper end screw thread of transition short circuit is fixed with a columnar protective sleeve; In the protective sleeve of the lower end of fairlead, fairlead can slide in protective sleeve.The transition short circuit has centre bore, and there is external screw thread the lower end of transition short circuit, and the lower end screw thread of transition short circuit is connected with the casing shoe of a band cutting teeth, and there is hydrophthalmia the lower end of the casing shoe of band cutting teeth, on the outer wall of the casing shoe of band cutting teeth cutting teeth is arranged.
Sketch the operating principle that mechanical type completion tubular column of the present invention is lowered to instrument: consult Fig. 1 and Fig. 2.The mechanical type completion tubular column is lowered to the bottom that instrument 3 is connected completion tubular column 2, and completion tubular column 2 is lowered to instrument 3 with the mechanical type completion tubular column and gets in the well 5 through upper strata sleeve pipe 1.Run into landwaste when the mechanical type completion tubular column is lowered to instrument 3 lower ends, can not continue downward propelling, be referred to as to be hampered.At this moment, utilizing the gravity of completion tubular column 2 that the mechanical type completion tubular column is lowered to instrument 3 exerts pressure.Top connection 6 compresses compression spring 8, compression spring 8 storage of potential energy; Simultaneously, guide finger 11 slides in the spiral guide slot on live spindle 10 surfaces, promotes live spindle 10 rotations.Live spindle 10 drives casing shoe 14 rotations of band cutting teeth.There is cutting teeth the end of the casing shoe 14 of band cutting teeth, and cutting teeth is rotated cutting to landwaste.Step surface contacts in the lower surface of fairlead 7 and protective sleeve 12 lower ends, the time accomplish a compression cutting stroke.On carry completion tubular column 2 carry out one the preparation stroke.On when carrying completion tubular column 2, the compression spring 8 release potential energy that resets; Guide finger 11 slides in the spiral guide slot on live spindle 10 surfaces, promotes live spindle 10 opposite spins, accomplishes a preparation stroke.Then, carry, press down completion tubular column 2 in the circulation, repeated compression cutting stroke and preparation stroke until having cleared up the landwaste that is hampered, continue to transfer tubing string to design attitude.
Beneficial effect of the present invention: mechanical type completion tubular column of the present invention is lowered to instrument, can in well track complex hydrocarbon well, transfer smoothly.Transfer in the process that is hampered solving tubing string, need not rotate completion tubular column, put in the employing and put completion tubular column and just can remove tubing string and be hampered, completion tubular column down to the reservation position.
Description of drawings
Fig. 1 is that mechanical type completion tubular column of the present invention is lowered to upper tool half separation structure generalized section.
Fig. 2 is that mechanical type completion tubular column of the present invention is lowered to instrument the latter half structural profile sketch map.
Fig. 3 is that mechanical type completion tubular column of the present invention is lowered to the user mode sketch map of instrument in the down-hole.
Among the figure, 1-upper strata sleeve pipe, the 2-completion tubular column, 3-mechanical type completion tubular column is lowered to instrument, the 4-landwaste; The 5-well, the 6-top connection, the 7-fairlead, 8-compresses spring, 9-plane bearing; The 10-live spindle, 11-guide finger, 12-protective sleeve, 13-transition short circuit, the casing shoe of 14-band cutting teeth.
The specific embodiment
Embodiment 1: with a upper strata sleeve pipe 1 is 95/8 " the upper strata sleeve pipe, completion tubular column 2 is 51/2 ", it is example that the mechanical type completion tubular column that connects in completion tubular column 2 lower ends is lowered to instrument, and the present invention is done further explain.
Consult Fig. 1 and Fig. 2.The mechanical type completion tubular column is lowered to instrument, mainly is made up of the casing shoe 14 of top connection 6, fairlead 7, compression spring 8, plane bearing 9, live spindle 10, guide finger 11, protective sleeve 12, transition short circuit 13 and band cutting teeth.
There is API normal sleeve internal thread the upper end of top connection 6, can be connected the lower end of completion tubular column 2.The length 650mm of top connection 6, external diameter 154mm, the center-hole diameter of top connection 6 are 70mm.There is external screw thread top connection 6 lower ends, the top connection 6 lower ends columnar fairlead 7 that is threaded.The upper end small diameter cylinders shape pipe of live spindle 10 is in top connection 6 lower end centre bores, and live spindle 10 upper end small diameter cylinders shape pipes are slidingly matched with top connection 6 centre bores.Form annular space between the upper end small diameter cylinders shape pipe outer wall of live spindle 10 and fairlead 7 inwalls.Be with a compression spring 8 in the upper end of live spindle 10; The upper end of compression spring 8 contacts with the lower surface of top connection 6, and the lower end of compression spring 8 is pressed on the step surface of plane bearing 9.The lower end plane bearing 9 of live spindle 10 is enclosed within on the small diameter cylinders shape pipe outer wall of live spindle 10 and on plane on the annular shaft shoulder body of outside protrusion;
Described live spindle 10 outer walls are that stairstepping is cylindrical, and live spindle 10 center-hole diameters are 50mm.Live spindle 10 upper end small diameter cylinders shape external diameter of pipe 69mm.Live spindle 10 lower end large diameter cylinder type external diameter of pipe 118mm.The annular shaft shoulder body that outside protrusion is arranged in the upper end of live spindle 10 large diameter cylinder type pipes, the annular shaft shoulder body diameter 128mm of outer protrusion, height 5.5mm.
A ring-shaped step is arranged on fairlead 7 inwalls, fairlead 7 upper-end inner diameter 130mm, the internal diameter of fairlead 7 ring-shaped step bottoms is 125mm.The annular shaft shoulder body that outwards protrude live spindle 10 large diameter cylinder type pipes upper end limits the axially-movable of live spindle 10 on ring-shaped step on fairlead 7 inwalls.The large diameter cylinder type pipe of live spindle 10 is in fairlead 7.On the outer wall of live spindle 10 large diameter cylinder type pipes spiral helicine groove is arranged; The width 32mm of spiral helicine groove, spiral slope 35 degree.The cross screw hole is arranged on the wall of fairlead 7, in the screw hole of fairlead 7, be fixed with tubular guide finger 11, the inner of guide finger 11 is inserted in the helical groove of live spindle 10 large diameter cylinder type pipes; When top connection 6 promoted fairlead 7 downwards, guide finger 11 slided in live spindle 10 helical grooves, made live spindle 10 produce rotation.
There is external screw thread the lower end of live spindle 10; The lower end screw thread of live spindle 10 is connected with a transition short circuit 13; There is external screw thread the upper end of transition short circuit 13; The upper end screw thread of transition short circuit 13 is fixed with a columnar protective sleeve 12, and in the protective sleeve 12 of the lower end of fairlead 7, fairlead 7 can slide in protective sleeve 12.The lower end of fairlead 7 can be to lower slider 300mm, and promptly the lower surface of fairlead 7 is 300mm to the distance of the upper surface of transition short circuit 13, restricted guidance cover 7 strokes to lower slider.Transition short circuit 13 has the centre bore of diameter 76mm; There is external screw thread the lower end of transition short circuit 13; The lower end screw thread of transition short circuit 13 is connected with the casing shoe 14 of a band cutting teeth; The lower end of the casing shoe 14 of band cutting teeth is cone shape and three hydrophthalmias is arranged that the lower end of the casing shoe 14 of band cutting teeth is on the cone outer wall cutting teeth to be arranged.Cutting teeth adopts alloy steel welding rod shop to be welded into.
Summary mechanical type completion tubular column is lowered to the method for using of instrument.Consult Fig. 3.The mechanical type completion tubular column is lowered to instrument 3 and is connected 51/2 " completion tubular column 2 lower ends, transfer in the horizontal hole 5.When running into landwaste 4, the lower end that the mechanical type completion tubular column is lowered to instrument 3 forms that the tubing string string is descending to be hampered.The mechanical type completion tubular column was transferred instrument 3 and was in original state this moment, and the pretightning force of compression spring 8 is 0.7t, and the lower surface of fairlead 7 is 300mm to the distance of the upper surface of transition short circuit 13.
At first; To 51/2 " completion tubular column 2 applies 5t the pressure of the drill, compression compression spring 8, fairlead 7 relative protective sleeves 12 to lower slider the 300mm stroke; the casing shoe 14 that promotes live spindle 10 and band cutting teeth thereof rotatablely moves, and then is with 14 pairs of landwaste 4 of casing shoe of cutting teeth to be rotated cutting.
Then, on carry 51/2 " completion tubular column 300mm stroke, casing shoe 14, transition short circuit 13, live spindle 10 and the protective sleeve 12 of band cutting teeth discharges the active force of 1.7t at compression spring 8, landwaste 4 is close in the lower end of the casing shoe 14 of band cutting teeth; Compression spring 8 resets, and fairlead 7 relative protective sleeves 12 reset.
Repeating to transfer 51/2 " 2 pairs of landwaste 4 of completion tubular column are rotated cutting; On carry 51/2 " completion tubular column 2 realizes resetting.Put repeatedly and put 51/2 " completion tubular column 2, to accomplish landwaste 4 cleanings, releasing is hampered, and continues to transfer the completion tubular column string.With 51/2 " completion tubular column 2 transfers to design attitude.
Claims (1)
1. a mechanical type completion tubular column is lowered to instrument, mainly is made up of the casing shoe (14) of top connection (6), fairlead (7), compression spring (8), plane bearing (9), live spindle (10), guide finger (11), protective sleeve (12), transition short circuit (13) and band cutting teeth; It is characterized in that: there is the sleeve pipe internal thread upper end of top connection (6), and top connection (6) has centre bore; There is external screw thread top connection (6) lower end, top connection (6) the lower end columnar fairlead (7) that is threaded; The upper end small diameter cylinders shape pipe of live spindle (10) is in the centre bore of top connection (6) lower end, and live spindle (10) upper end small diameter cylinders shape pipe is slidingly matched with top connection (6) centre bore; Form annular space between the upper end small diameter cylinders shape pipe outer wall of live spindle (10) and fairlead (7) inwall; Be with a compression spring (8) in the upper end of live spindle (10); The upper end of compression spring (8) contacts with the lower surface of top connection (6), and the lower end of compression spring (8) is pressed on the step surface of plane bearing (9); The lower end plane bearing (9) of live spindle (10) is enclosed within on the small diameter cylinders shape pipe outer wall of live spindle (10) and on plane on the annular shaft shoulder body of outside protrusion;
Described live spindle (10) outer wall is that stairstepping is cylindrical, and live spindle (10) has centre bore; There is small diameter cylinders shape pipe live spindle (10) upper end, and there is the large diameter cylinder type pipe live spindle (10) lower end; The annular shaft shoulder body that outside protrusion is arranged in the upper end of live spindle (10) large diameter cylinder type pipe;
On fairlead (7) inwall ring-shaped step is arranged, live spindle (10) large diameter cylinder type pipe upper end outwards on annular shaft shoulder body and fairlead (7) inwall of protrusion ring-shaped step cooperate, limit the axially-movable of live spindle (10); The large diameter cylinder type pipe of live spindle (10) is in fairlead (7); On the outer wall of live spindle (10) large diameter cylinder type pipe spiral helicine groove is arranged; On the wall of fairlead (7) the cross screw hole is arranged, in the screw hole of fairlead (7), be fixed with tubular guide finger (11), the inner of guide finger (11) is inserted in the helical groove of live spindle (10) large diameter cylinder type pipe;
There is external screw thread the lower end of live spindle (10); The lower end screw thread of live spindle (10) is connected with a transition short circuit (13); There is external screw thread the upper end of transition short circuit (13); The upper end screw thread of transition short circuit (13) is fixed with a columnar protective sleeve (12), and in the protective sleeve (12) of the lower end of fairlead (7), fairlead (7) can slide in protective sleeve (12); Transition short circuit (13) has centre bore; There is external screw thread the lower end of transition short circuit (13); The lower end screw thread of transition short circuit (13) is connected with the casing shoe (14) of a band cutting teeth, and there is hydrophthalmia the lower end of the casing shoe (14) of band cutting teeth, on the outer wall of the casing shoe (14) of band cutting teeth cutting teeth is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210109364.4A CN102619481B (en) | 2012-04-13 | 2012-04-13 | Mechanical completion string running tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210109364.4A CN102619481B (en) | 2012-04-13 | 2012-04-13 | Mechanical completion string running tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619481A true CN102619481A (en) | 2012-08-01 |
| CN102619481B CN102619481B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210109364.4A Active CN102619481B (en) | 2012-04-13 | 2012-04-13 | Mechanical completion string running tool |
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| Country | Link |
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| CN (1) | CN102619481B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239945A (en) * | 2015-10-22 | 2016-01-13 | 中国海洋石油总公司 | Rotary setting tool for tubular column |
| CN107448156A (en) * | 2017-09-15 | 2017-12-08 | 长江大学 | A kind of full-bore casing guide |
| CN107587850A (en) * | 2017-10-16 | 2018-01-16 | 天津盛鑫华瑞石油技术有限公司 | Completion guide shoe |
| CN108590528A (en) * | 2018-04-23 | 2018-09-28 | 裴绪建 | A kind of mechanical guide driving device |
| CN110439484A (en) * | 2019-08-19 | 2019-11-12 | 陕西固德石油工程有限公司 | A kind of impact rotation reaming formula guide shoe device |
| CN110439511A (en) * | 2019-08-30 | 2019-11-12 | 杰瑞能源服务有限公司 | A kind of mechanical pressurization spinning tool |
| CN114109277A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
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| CN2605381Y (en) * | 2002-12-20 | 2004-03-03 | 华北石油管理局油气井测试公司 | Oil-gas well measuring safety releasing device |
| CN2658391Y (en) * | 2003-10-24 | 2004-11-24 | 李秀竹 | Self-rotary scraper |
| US6868901B2 (en) * | 2001-03-13 | 2005-03-22 | Sondex Limited | Tubular cutting tool |
| CN202596625U (en) * | 2012-04-13 | 2012-12-12 | 中国石油天然气集团公司 | Mechanical downward placing tool of well completion pipe column |
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2012
- 2012-04-13 CN CN201210109364.4A patent/CN102619481B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6868901B2 (en) * | 2001-03-13 | 2005-03-22 | Sondex Limited | Tubular cutting tool |
| CN2605381Y (en) * | 2002-12-20 | 2004-03-03 | 华北石油管理局油气井测试公司 | Oil-gas well measuring safety releasing device |
| CN2658391Y (en) * | 2003-10-24 | 2004-11-24 | 李秀竹 | Self-rotary scraper |
| CN202596625U (en) * | 2012-04-13 | 2012-12-12 | 中国石油天然气集团公司 | Mechanical downward placing tool of well completion pipe column |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239945A (en) * | 2015-10-22 | 2016-01-13 | 中国海洋石油总公司 | Rotary setting tool for tubular column |
| CN105239945B (en) * | 2015-10-22 | 2018-02-23 | 中海油能源发展股份有限公司 | Tubing string rotates tripping in instrument |
| CN107448156A (en) * | 2017-09-15 | 2017-12-08 | 长江大学 | A kind of full-bore casing guide |
| CN107587850A (en) * | 2017-10-16 | 2018-01-16 | 天津盛鑫华瑞石油技术有限公司 | Completion guide shoe |
| CN108590528A (en) * | 2018-04-23 | 2018-09-28 | 裴绪建 | A kind of mechanical guide driving device |
| CN110439484A (en) * | 2019-08-19 | 2019-11-12 | 陕西固德石油工程有限公司 | A kind of impact rotation reaming formula guide shoe device |
| CN110439484B (en) * | 2019-08-19 | 2024-04-30 | 陕西固德石油工程有限公司 | Impact rotary eye-type shoe guiding device |
| CN110439511A (en) * | 2019-08-30 | 2019-11-12 | 杰瑞能源服务有限公司 | A kind of mechanical pressurization spinning tool |
| CN114109277A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
| CN114109277B (en) * | 2020-08-31 | 2024-05-07 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
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| Publication number | Publication date |
|---|---|
| CN102619481B (en) | 2015-07-22 |
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