CN102619481B - Mechanical completion string running tool - Google Patents
Mechanical completion string running tool Download PDFInfo
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- CN102619481B CN102619481B CN201210109364.4A CN201210109364A CN102619481B CN 102619481 B CN102619481 B CN 102619481B CN 201210109364 A CN201210109364 A CN 201210109364A CN 102619481 B CN102619481 B CN 102619481B
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- live spindle
- fairlead
- top connection
- wall
- pipe
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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 oil and gas well drilling technical field, the special tool particularly entered under completion tubular column, under a kind of mechanical type completion tubular column, enter instrument.
Background technology
Along with deepening continuously of exploration and development, deep-well, ultradeep well and the quantity such as horizontal well, extended reach well are more and more, tubing string (as sleeve pipe and screen casing etc.) lower deeply increasing, the lower going-into-well eye track of tubing string becomes increasingly complex, and it is also proposed more and more higher requirement to lower tubular column technology.
At present, bottom completion tubular column, down-hole enters to be hampered under running into larger landwaste stone completion tubular column, and convention resolution method is: rotate tubing string and on put and put tubing string, set up mud circulation simultaneously.The completion tubular column that this method effectively can solve the simple Oil/gas Well of well track is transferred.But, when the complicated completion tubular column of the Holes of Complicated Wells such as Large travel range is transferred, be hampered once completion tubular column is transferred, because well frictional resistance is comparatively large, be difficult to rotate whole endowel.Sometimes namely allow to swivelling pipe post, also likely damage complicated completion tubular column.Especially top is not adopted to drive and the conventional drilling of sleeve pipe clamping head, be hampered once completion tubular column is transferred, setting up mud circulation needs repeated disassembled and assembled overlap pipe thread and need a variable buckle joint splicing sleeve and kelly bar, waste the plenty of time so not to the utmost, and repeated disassembled and assembled cover pipe thread site operation requires it is unallowed.
Summary of the invention
The object of the invention is: under a kind of mechanical type completion tubular column is provided, enter instrument and using method thereof, at non rotating completion tubular column, without under the condition of carrying out mud circulation, by means of only on put and put completion tubular column, realize completion tubular column and transfer to design attitude smoothly, can in the Oil/gas Well of well track complexity, completion tubular column be transferred smoothly.
The technical solution used in the present invention is: enter instrument under mechanical type completion tubular column, primarily of top connection, fairlead, Compress Spring, plane bearing, live spindle, guide finger, protective sleeve, transition short circuit and the casing shoe composition being with cutting teeth.It is characterized in that: there is sleeve pipe internal thread the upper end of top connection, can be connected to the lower end of completion tubular column.Top connection has centre bore; There is external screw thread top connection lower end, and top connection lower end is threaded columnar fairlead; The upper end small-diameter circular cylindricality pipe of live spindle is in top connection lower center hole, and live spindle upper end small-diameter circular cylindricality pipe and top connection centre bore are slidably matched; Annular space is formed between the upper end small-diameter circular cylindricality pipe outer wall of live spindle and fairlead inwall; In the upper end of live spindle, cover has a Compress Spring; The upper end of Compress Spring contacts with the lower surface of top connection, and the lower end of Compress Spring is pressed on the step surface of plane bearing; The lower end plane bearing holder (housing, cover) of live spindle is on the small-diameter circular cylindricality pipe outer wall of live spindle and on outwardly annular shaft shoulder body in plane;
Described live spindle outer wall is that stairstepping is cylindrical, and live spindle has centre bore; There is small-diameter circular cylindricality pipe live spindle upper end, and there is large diameter cylinder type pipe live spindle lower end; Outwardly annular shaft shoulder body is had in the upper end of live spindle large diameter cylinder type pipe;
Fairlead inwall has a ring-shaped step, the outwardly annular shaft shoulder body in live spindle large diameter cylinder type pipe upper end coordinates with ring-shaped step on fairlead inwall, the axially-movable of restriction live spindle; The large diameter cylinder type pipe of live spindle is in fairlead; The outer wall of live spindle large diameter cylinder type pipe there is spiral helicine groove; The wall of fairlead has transverse screw hole, has tubular guide finger at the screw hole internal fixtion of fairlead, the inner of guide finger is inserted in the helical groove of live spindle large diameter cylinder type pipe; When top connection promotes fairlead downwards, guide finger slides in live spindle helical groove, live spindle is produced and rotates.
There is external screw thread the lower end of live spindle; the lower end of live spindle has been threaded a transition short circuit, and there is external screw thread the upper end of transition short circuit, and the threaded upper ends 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.Transition short circuit has centre bore, and there is external screw thread the lower end of transition short circuit, and the lower end of transition short circuit is threaded one and is with the casing shoe of cutting teeth, and there is hydrophthalmia the lower end of the casing shoe of band cutting teeth, and the outer wall of the casing shoe of band cutting teeth has cutting teeth.
The operating principle of instrument is entered: consult Fig. 1 and Fig. 2 under sketching mechanical type completion tubular column of the present invention.Enter the bottom that instrument 3 is connected to completion tubular column 2 under mechanical type completion tubular column, enter instrument 3 under completion tubular column 2 and mechanical type completion tubular column and entered in well 5 by upper strata sleeve pipe 1.Running into landwaste when entering instrument 3 lower end under mechanical type completion tubular column, downward propelling can not be continued, be referred to as to be hampered.At this moment, the gravity of completion tubular column 2 is utilized to apply pressure to entering instrument 3 under mechanical type completion tubular column.Top connection 6 compresses Compress Spring 8, Compress Spring 8 storage of potential energy; Meanwhile, guide finger 11 slides in the spiral guide slot on live spindle 10 surface, promotes live spindle 10 and rotates.Live spindle 10 drives the casing shoe 14 of band cutting teeth to rotate.There is cutting teeth the end of the casing shoe 14 with cutting teeth, and cutting teeth carries out rotary cutting to landwaste.When the lower surface of fairlead 7 contacts with step surface in protective sleeve 12 lower end, time complete one compression cutting stroke.On carry completion tubular column 2 carry out one preparation stroke.On when carrying completion tubular column 2, Compress Spring 8 resets release potential energy; Guide finger 11 slides in the spiral guide slot on live spindle 10 surface, promotes live spindle 10 opposite spin, completes a preparation stroke.Then, circulation is carried, presses down completion tubular column 2, repeated compression cutting stroke and preparation stroke, until cleared up the landwaste be hampered, continued to transfer tubing string to design attitude.
Beneficial effect of the present invention: enter instrument under mechanical type completion tubular column of the present invention, can transfer smoothly in the Oil/gas Well of well track complexity.Transfer be hampered in process at solution tubing string, do not need to rotate completion tubular column, employing puts and puts completion tubular column and just can remove tubing string and be hampered, under completion tubular column to reservation position.
Accompanying drawing explanation
Fig. 1 enters upper tool half separation structure generalized section under mechanical type completion tubular column of the present invention.
Fig. 2 enters lower tool half separation structure generalized section under mechanical type completion tubular column of the present invention.
Fig. 3 enters the using state schematic diagram of instrument in down-hole under mechanical type completion tubular column of the present invention.
In figure, 1-upper strata sleeve pipe, 2-completion tubular column, enters instrument under 3-mechanical type completion tubular column, 4-landwaste; 5-well, 6-top connection, 7-fairlead, 8-Compress Spring, 9-plane bearing; 10-live spindle, 11-guide finger, 12-protective sleeve, 13-transition short circuit, 14-is with the casing shoe of cutting teeth.
Detailed description of the invention
Embodiment 1: with a upper strata sleeve pipe 1 for 95/8 " upper strata sleeve pipe, completion tubular column 2 is 51/2 ", under the mechanical type completion tubular column that completion tubular column 2 lower end connects, enter instrument is example, is described in further detail the present invention.
Consult Fig. 1 and Fig. 2.Enter instrument under mechanical type completion tubular column, primarily of top connection 6, fairlead 7, Compress Spring 8, plane bearing 9, live spindle 10, guide finger 11, protective sleeve 12, transition short circuit 13 and band cutting teeth casing shoe 14 form.
There is API normal sleeve internal thread the upper end of top connection 6, can be connected to 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 is 70mm.There is external screw thread top connection 6 lower end, and top connection 6 lower end is threaded a columnar fairlead 7.The upper end small-diameter circular cylindricality pipe of live spindle 10 is in top connection 6 lower center hole, and live spindle 10 upper end small-diameter circular cylindricality pipe and top connection 6 centre bore are slidably matched.Annular space is formed between the upper end small-diameter circular cylindricality pipe outer wall of live spindle 10 and fairlead 7 inwall.In the upper end of live spindle 10, cover has a Compress Spring 8; The upper end of Compress Spring 8 contacts with the lower surface of top connection 6, and the lower end of Compress Spring 8 is pressed on the step surface of plane bearing 9.On the small-diameter circular cylindricality pipe outer wall that the lower end plane bearing 9 of live spindle 10 is enclosed within live spindle 10 and on outwardly annular shaft shoulder body in plane;
Described live spindle 10 outer wall is that stairstepping is cylindrical, and live spindle 10 center-hole diameter is 50mm.Live spindle 10 upper end small-diameter circular cylindricality pipe external diameter 69mm.Live spindle 10 lower end large diameter cylinder type pipe external diameter 118mm.Outwardly annular shaft shoulder body is had, the annular shaft shoulder body diameter 128mm of outer protrusion, height 5.5mm in the upper end of live spindle 10 large diameter cylinder type pipe.
Fairlead 7 inwall has a ring-shaped step, fairlead 7 upper-end inner diameter 130mm, the internal diameter of fairlead 7 ring-shaped step bottom is 125mm.The outwardly annular shaft shoulder body in live spindle 10 large diameter cylinder type pipe upper end on fairlead 7 inwall on ring-shaped step, the axially-movable of restriction live spindle 10.The large diameter cylinder type pipe of live spindle 10 is in fairlead 7.The outer wall of live spindle 10 large diameter cylinder type pipe there is spiral helicine groove; The width 32mm of spiral helicine groove, spiral slope 35 degree.The wall of fairlead 7 has transverse screw hole, has tubular guide finger 11 at the screw hole internal fixtion of fairlead 7, the inner of guide finger 11 is inserted in the helical groove of live spindle 10 large diameter cylinder type pipe; When top connection 6 promotes fairlead 7 downwards, guide finger 11 slides in live spindle 10 helical groove, live spindle 10 is produced and rotates.
There is external screw thread the lower end of live spindle 10; the lower end of live spindle 10 has been threaded a transition short circuit 13; there is external screw thread the upper end of transition short circuit 13; the threaded upper ends of transition short circuit 13 is fixed with a columnar protective sleeve 12; 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 slide downward 300mm, and namely the lower surface of fairlead 7 is 300mm to the distance of the upper surface of transition short circuit 13, and restricted guidance overlaps the stroke of 7 slide downward.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 of transition short circuit 13 is threaded one and is with the casing shoe 14 of cutting teeth, the lower end of the casing shoe 14 with cutting teeth is cone shape and has three hydrophthalmias, and the lower end of the casing shoe 14 of band cutting teeth is that cone outer wall has cutting teeth.Cutting teeth adopts alloy steel welding rod paving to be welded into.
The using method of instrument is entered under summary mechanical type completion tubular column.Consult Fig. 3.Enter instrument 3 under mechanical type completion tubular column and be connected to 51/2 " completion tubular column 2 lower end, transfer in horizontal hole 5.Form that tubing string string is descending to be hampered when the lower end entering instrument 3 under mechanical type completion tubular column runs into landwaste 4.Now mechanical type completion tubular column is transferred instrument 3 and is in original state, and the pretightning force of Compress 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.
First; to 51/2 " completion tubular column 2 applies 5t the pressure of the drill, compression Compress Spring 8, and fairlead 7 is protective sleeve 12 slide downward 300mm stroke relatively; promote casing shoe 14 rotary motion of live spindle 10 and band cutting teeth thereof, and then casing shoe 14 pairs of landwaste 4 of band cutting teeth carry out rotary cutting.
Then, above carry 51/2 " completion tubular column 300mm stroke, be with the casing shoe 14 of cutting teeth, transition short circuit 13, live spindle 10 and protective sleeve 12 to discharge the active force of 1.7t at Compress Spring 8, landwaste 4 is close in the lower end of the casing shoe 14 of band cutting teeth; Compress Spring 8 resets, and fairlead 7 relatively protective sleeve 12 resets.
Repeating to transfer 51/2 " completion tubular column 2 pairs of landwaste 4 carry out rotary cutting; On carry 51/2 " completion tubular column 2 realize reset.Put repeatedly and put 51/2 " completion tubular column 2, complete and clear up landwaste 4, releasing is hampered, and continues to transfer completion tubular column string.By 51/2 " completion tubular column 2 transfers to design attitude.
Claims (1)
1. enter an instrument under mechanical type completion tubular column, primarily of top connection (6), fairlead (7), Compress Spring (8), plane bearing (9), live spindle (10), guide finger (11), protective sleeve (12), transition short circuit (13) and casing shoe (14) composition being with cutting teeth; It is characterized in that: there is sleeve pipe internal thread the upper end of top connection (6), top connection (6) has centre bore; There is external screw thread top connection (6) lower end, and top connection (6) lower end is threaded columnar fairlead (7); The upper end small-diameter circular cylindricality pipe of live spindle (10) is in top connection (6) lower center hole, and live spindle (10) upper end small-diameter circular cylindricality pipe and top connection (6) centre bore are slidably matched; Annular space is formed between the upper end small-diameter circular cylindricality pipe outer wall of live spindle (10) and fairlead (7) inwall; In the upper end of live spindle (10), cover has a Compress Spring (8); The upper end of Compress Spring (8) contacts with the lower surface of top connection (6), and the lower end of Compress Spring (8) is pressed on the step surface of plane bearing (9); On the small-diameter circular cylindricality pipe outer wall that plane bearing (9) is enclosed within live spindle (10) and on outwardly annular shaft shoulder body in plane;
Described live spindle (10) outer wall is that stairstepping is cylindrical, and live spindle (10) has centre bore; There is small-diameter circular cylindricality pipe live spindle (10) upper end, and there is large diameter cylinder type pipe live spindle (10) lower end; Outwardly annular shaft shoulder body is had in the upper end of live spindle (10) large diameter cylinder type pipe;
Fairlead (7) inwall there is a ring-shaped step, the outwardly annular shaft shoulder body in live spindle (10) large diameter cylinder type pipe upper end coordinates with ring-shaped step on fairlead (7) inwall, the axially-movable of restriction live spindle (10); The large diameter cylinder type pipe of live spindle (10) is in fairlead (7); The outer wall of live spindle (10) large diameter cylinder type pipe there is spiral helicine groove; The wall of fairlead (7) there is transverse screw hole, have tubular guide finger (11) at the screw hole internal fixtion of fairlead (7), 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 of live spindle (10) has been threaded a transition short circuit (13), there is external screw thread the upper end of transition short circuit (13), the threaded upper ends of transition short circuit (13) is fixed with a columnar protective sleeve (12), the lower end of fairlead (7) is in protective sleeve (12), and 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 of transition short circuit (13) is threaded one and is with the casing shoe (14) of cutting teeth, the lower end of the casing shoe (14) with cutting teeth is cone shape and has hydrophthalmia, and the cone outer wall of the casing shoe (14) of band cutting teeth has cutting teeth.
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 CN102619481A (en) | 2012-08-01 |
| CN102619481B true 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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| CN (1) | CN102619481B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107448156B (en) * | 2017-09-15 | 2023-07-04 | 长江大学 | Full-drift diameter sleeve guide shoe |
| 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 |
| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2012
- 2012-04-13 CN CN201210109364.4A patent/CN102619481B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102619481A (en) | 2012-08-01 |
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