CN204877309U - Piece and adjustable rigidity righting device are right to rigidity - Google Patents
Piece and adjustable rigidity righting device are right to rigidity Download PDFInfo
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- CN204877309U CN204877309U CN201520516366.4U CN201520516366U CN204877309U CN 204877309 U CN204877309 U CN 204877309U CN 201520516366 U CN201520516366 U CN 201520516366U CN 204877309 U CN204877309 U CN 204877309U
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Abstract
(B, ) the utility model relates to a well drilling righting device technical field is that a rigidity is right and the adjustable rigidity righting device of (b) (b), and this adjustable rigidity righting device includes that body and rigidity right the piece, the body is the hollow cylinder structure, on the body along circumference top -down distribute have two rows at least with right the corresponding body screw hole of body screw hole, at least one rigidity right through right body threaded holes and rather than the body threaded hole construction bolt fixed mounting that corresponds on the body. The utility model has the advantages of reasonable and compact structure, convenient to use to different sheathed tube rigidity, rights the quantity of piece through raise the rigidity at the body for the rigidity of drifting drilling tool combination approaches the sheathed tube rigidity more, can effectively improve the lower income success reliability of jumbo size sleeve pipe in directional well and horizontal well. (B, )
Description
Technical field
the utility model relates to drilling well erection device technical field, is a kind of rigidity righting part and adjustable rigid erection device.
Background technology
drifting is a procedure indispensable in drillng operation, runs into the complex situations such as conventional drilling tool slacking off cannot process, leakage when cannot continue to creep into, need drifting operation before and after usually logging well, before setting of casing.Especially for the drifting before casing job, usual needs connect centralizer in drilling assembly, to increase drilling assembly integral rigidity, for sleeve pipe smoothly under enter to carry out basis, along with continually developing of oil gas field, increasing unconventional size sleeve pipe is applied in the brill completion practice of directional well, horizontal well, especially large scale, oversize sleeve pipe, entering under the type sleeve pipe is to bore in completion one at present to have a big risk, the operation that difficulty is high.In use large scale, in the directional well of oversize sleeve pipe and horizontal well, because rigid casing is large, borehole gap is little, especially horizontal segment, fashionable under large scale sleeve pipe have larger frictional resistance, if drifting operation is not in place, then sleeve pipe just can not successfully enter down, and therefore conventional drifting drilling tool cannot meet for the drifting drilling tool rigid requirements needed for large scale setting of casing.
Summary of the invention
the utility model provides a kind of rigidity righting part and adjustable rigid erection device, overcomes the deficiency of above-mentioned prior art, and its drifting drilling tool that effectively can solve routine cannot meet the problem for the drifting drilling tool rigid requirements needed for large scale setting of casing.
one of the technical solution of the utility model is realized by following measures: a kind of rigidity righting part comprises centralizer body; Centralizer body is the tubular structure of inner hollow, the middle part outer wall of centralizer body is uniformly distributed with along the circumference the rotation righting wing of the same rotation direction of at least three, be uniformly distributed with the centralizer body screwed hole of at least two on the top of centralizer body along the circumference, be uniformly distributed with the centralizer body screwed hole of at least two in the bottom of centralizer body along the circumference.
here is the further optimization and/or improvements to one of above-mentioned utility model technical scheme:
above-mentionedly on the middle part outer wall of centralizer body, be integrally fixed with annular boss, rotate the righting wing and be arranged on annular boss.
two of the technical solution of the utility model is realized by following measures: a kind of adjustable rigid erection device of rigidity righting part that uses comprises body and rigidity righting part; Body is hollow cylinder structure, body is circumferentially distributed with the body screwed hole corresponding with centralizer body screwed hole of at least two rows from top to bottom, and the rigidity righting part of at least one is fixedly mounted on body by erection bolt in centralizer body screwed hole and the body screwed hole corresponding with it.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme two:
there are internal thread or external screw thread in the upper end of above-mentioned body, and there are internal thread or external screw thread in the lower end of body.
the utility model reasonable and compact in structure, easy to use, for the rigidity of different sleeve pipe, by adjusting the quantity of rigidity righting part on body, make the rigidity of drifting drilling assembly more close to the rigidity of sleeve pipe, can effectively improve large scale sleeve pipe in directional well and horizontal well under enter successfully reliability.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of the utility model embodiment 1.
accompanying drawing 2 is the perspective view of the utility model embodiment 1.
accompanying drawing 3 is that the master of the utility model embodiment 2 looks broken section structural representation.
coding in accompanying drawing is respectively: 1 is centralizer body, and 2 for rotating the righting wing, and 3 is centralizer body screwed hole, and 4 is annular boss, and 5 is body, and 6 is body screwed hole, and 7 is rigidity righting part, and 8 is bolt.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
embodiment 1, as shown in accompanying drawing 1,2, this rigidity righting part comprises centralizer body 1; Centralizer body 1 is the tubular structure of inner hollow, the middle part outer wall of centralizer body 1 is uniformly distributed with along the circumference the rotation righting wing 2 of the same rotation direction of at least three, be uniformly distributed with the centralizer body screwed hole 3 of at least two on the top of centralizer body 1 along the circumference, be uniformly distributed with the centralizer body screwed hole 3 of at least two in the bottom of centralizer body 1 along the circumference.
preferred as to embodiment 1, as shown in accompanying drawing 1,2, the middle part outer wall of centralizer body 1 is integrally fixed with annular boss 4, rotates the righting wing 2 and be arranged on annular boss 4.
embodiment 2, as shown in Figure 3, the adjustable rigid erection device of this use rigidity righting part comprises body 5 and rigidity righting part 7; Body 5 is hollow cylinder structure, body 5 is circumferentially distributed with the body screwed hole 6 corresponding with centralizer body screwed hole 3 of at least two rows from top to bottom, and the rigidity righting part 7 of at least one is fixedly mounted on body 5 by erection bolt 8 in centralizer body screwed hole 3 and the body screwed hole 6 corresponding with it.During use, according to the difference of rigid casing, can adjust the arrangement position of rigidity righting part 7 on body 5 and number, rigid casing is large, then rigidity righting part 7 dense arrangement, number are many.
preferred as embodiment 2, as shown in Figure 3, there are internal thread or external screw thread in the upper end of body 5, and there are internal thread or external screw thread in the lower end of body 5.Be threaded and be easy for installation and removal.
the number of rigidity righting part 7 on body 5 and combining form adjustable, the rigidity of the utility model adjustable rigid erection device is determined according to the arrangement type of rigidity righting part 7 on body 5, need larger rigidity then to increase rigidity righting part 7 number, reduce arrangement pitches; Need less rigidity, then reduce rigidity righting part 7 number, increase arrangement pitches; Also the utility model adjustable rigid erection device can be carried out overlapping connection more, to realize the large stiff hookup of length simultaneously.During use, enter in the drifting operation of large scale sleeve pipe under needs, first according to the rigidity parameters that will enter down sleeve pipe, the parameter list of edition with parallel text utility model adjustable rigid erection device, find the utility model adjustable rigid erection device identical or closest to parameter, assemble according to the spread length of rigidity righting part 7 corresponding to this parameter on body 5 and number, if need the large rigidity drilling tool of length being greater than 10 meters, then many cover the utility model adjustable rigid erection devices can be adopted to carry out connecting the demand meeting large length high rigidity.After assembling combination, be connected in the drifting drilling tool of nearly drill bit, normal drifting operation can be carried out.In deep camber directional well or horizontal well, the utility model adjustable rigid erection device is not advised to be connected directly between bit upper end, a short drill pipe can be added between the utility model adjustable rigid erection device and drill bit, connect the complete drifting operation that namely can make a trip normally.
adjustable rigid erection device of the present utility model can for the rigidity of different sleeve pipe, by adjusting the quantity of rigidity righting part 7 on body, make the rigidity of drifting drilling assembly more close to the rigidity of sleeve pipe, can effectively improve large scale sleeve pipe in directional well and horizontal well under enter successfully reliability.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (4)
1. a rigidity righting part, is characterized in that comprising centralizer body; Centralizer body is the tubular structure of inner hollow, the middle part outer wall of centralizer body is uniformly distributed with along the circumference the rotation righting wing of the same rotation direction of at least three, be uniformly distributed with the centralizer body screwed hole of at least two on the top of centralizer body along the circumference, be uniformly distributed with the centralizer body screwed hole of at least two in the bottom of centralizer body along the circumference.
2. rigidity righting part according to claim 1, is characterized in that integrally being fixed with annular boss on the middle part outer wall of centralizer body, rotates the righting wing and is arranged on annular boss.
3. use an adjustable rigid erection device for rigidity righting part according to claim 1, it is characterized in that comprising body and rigidity righting part; Body is hollow cylinder structure, body is circumferentially distributed with the body screwed hole corresponding with centralizer body screwed hole of at least two rows from top to bottom, and the rigidity righting part of at least one is fixedly mounted on body by erection bolt in centralizer body screwed hole and the body screwed hole corresponding with it.
4. adjustable rigid erection device according to claim 3, is characterized in that there are internal thread or external screw thread in the upper end of body, and there are internal thread or external screw thread in the lower end of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516366.4U CN204877309U (en) | 2015-07-17 | 2015-07-17 | Piece and adjustable rigidity righting device are right to rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516366.4U CN204877309U (en) | 2015-07-17 | 2015-07-17 | Piece and adjustable rigidity righting device are right to rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204877309U true CN204877309U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520516366.4U Active CN204877309U (en) | 2015-07-17 | 2015-07-17 | Piece and adjustable rigidity righting device are right to rigidity |
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| Country | Link |
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| CN (1) | CN204877309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278092A (en) * | 2018-03-01 | 2018-07-13 | 中国矿业大学(北京) | Well mouth rotary commutation disengaging drill-in fluid and blowout prevention integral type oil drilling system |
-
2015
- 2015-07-17 CN CN201520516366.4U patent/CN204877309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278092A (en) * | 2018-03-01 | 2018-07-13 | 中国矿业大学(北京) | Well mouth rotary commutation disengaging drill-in fluid and blowout prevention integral type oil drilling system |
| CN108278092B (en) * | 2018-03-01 | 2020-05-08 | 中国矿业大学(北京) | Well head rotary reversing drilling liquid inlet and outlet and blowout prevention integrated petroleum drilling system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |