CN201567995U - Positive inverted back-off device assembly - Google Patents
Positive inverted back-off device assembly Download PDFInfo
- Publication number
- CN201567995U CN201567995U CN2009201667229U CN200920166722U CN201567995U CN 201567995 U CN201567995 U CN 201567995U CN 2009201667229 U CN2009201667229 U CN 2009201667229U CN 200920166722 U CN200920166722 U CN 200920166722U CN 201567995 U CN201567995 U CN 201567995U
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- sleeve
- cover
- mandrel
- tooth embedding
- lock sleeve
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Abstract
The utility model relates to a positive inverted back-off device assembly which is used for petroleum industry well repairing and well drilling salvage procedure; a connector assembly of the positive inverted back-off device assembly comprises an upper connector (1), an interlocking teeth connecting sleeve (5) and an interlocking teeth regulating sleeve (7), wherein the lower end of the upper connector (1) is provided with a threaded connection dabber (4) and the lower end surface thereof is meshed with the interlocking teeth on the front end of the interlocking teeth connecting sleeve (5); a reverse mechanism comprises the dabber (4), a planetary gear (25), a gear shaft sleeve (26) and a load bearing sleeve (27); a lock sleeve (17) is sheathed on the dabber (4); a planetary gear (25) is built in the lower end groove of the lock sleeve (17); an anchoring mechanism comprises an anchor fluke (16), a wing plate (15), a seating sleeve chuck (12) and a frictional ring sleeve (23); a frictional key sleeve (18) is sheathed on a circular bead of the lower part of the lock sleeve (17); and a locking mechanism comprises a locking sleeve (31), a spring (30) and a lower joint (35). The positive inverted back-off device assembly has the advantages of big output torque, wide application range and the like.
Description
Technical field
The utility model relates to petroleum well workover and drilling well fishing equipment, a kind of rotating reverse buckling equipment assembly of the back-off of can implementing during particularly suitable oil-water well fishing to reverse.
Background technology
Reverse buckling equipment is the chief component of marine salvage equipment in petroleum industry well workover, the drillng operation, and its major function is that the thread of meeting the card tubing string is released, often with supporting uses of instrument such as fishing socket, fishing spear, die nipple or female coupling taps.Shortcomings such as there is complicated operation in the reverse buckling equipment that uses at present, is difficult to control, and output torque is little, and range of application is little.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide a kind of rotating reverse buckling equipment assembly, can realize being widely used, and is easy and simple to handle, carries out the high pulling torque operation.
For achieving the above object, the technical solution adopted in the utility model is as follows: mainly by connector assembly, side steering, anchor mechanism, locking mechanism is formed, connector assembly is by top connection, tooth embedding adapter sleeve, tooth embedding adjustment cover, last orifice plug constitutes, the top connection lower end mandrel that is threaded, and at least three tooth caulking grooves of top connection lower surface radial equipartition, and be meshing with each other with the embedding of tooth embedding adapter sleeve front end tooth, tooth embedding adapter sleeve and tooth embedding adjustment cover are to be threaded, top connection leaves shoulder hole in above position, mandrel top, the built-in orifice plug of going up, tooth embedding adjustment cover front end is connected with tooth embedding adapter sleeve with screw thread, there is interior shoulder tooth embedding adjustment cover lower end, its lower end is enclosed within on the preceding shoulder of sitting card adjustment ring, and the seat card is adjusted in the cavity that encircles front end face and tooth embedding adjustment cover lower end shoulder end face and placed thrust bearing; Side steering mainly is made of mandrel, planetary gear, gear bush, carrying cover, lock sleeve is sleeved on the mandrel, and its lower end external surface is fluted, built-in planetary gear, and there is lug at the planetary gear two ends, gear undercarriage and gear bush leave the groove suitable with it, lock sleeve lower end appearance has at least one dentation tooth embedding, and table has tooth embedding groove to be meshed with it in the carrying cover, and lock sleeve front end and middle part are fluted, built-in wing plate, and with stop pin itself and lock sleeve are fixed; Anchor mechanism is made up of anchor fluke, wing plate, seat cutting ferrule, drag ring sleeve, anchor fluke is divided into two groups up and down, is embedded in the lock sleeve, and the friction key cover is enclosed within on the shoulder of lock sleeve bottom, friction key cover appearance has two shoulders, and the drag ring sleeve set is on the preceding shoulder of friction key cover; Locking mechanism is made of locking cover, spring, piston, lower contact, piston and mandrel tail end are to be threaded, the built-in spring of groove that piston nose face and mandrel bottom shoulder front end face form, locking is enclosed within the mandrel bottom, its lower end is with the lower contact that is threaded, shoulder hole is left at lower contact middle part, in deposit orifice plug.
Be connected for ease of sending into drill string with top, top connection has the standard thread that is connected with drill string in the upper end.
Tooth embedding adapter sleeve lower end has jackscrew to be fixed on tooth embedding adjustment to put.
In the cavity between friction key cover and the drag ring sleeve successively set gear put on the shelf and drag ring.
Last orifice plug and following orifice plug are carbide alloy or anti-erosion material.
Side steering is with main cylinder outward, and protection side steering, main cylinder have internal thread to be connected with locking cover front end.
For guaranteeing the sealing between the component, between mandrel front end appearance and top connection, sealing ring is arranged; Sitting between card adjustment ring front end and the tooth embedding adjustment cover has sealing ring, between its lower end inner chamber and the lock sleeve sealing ring is arranged; Between friction key cover front end inner chamber and the lock sleeve sealing ring is arranged; Gear is put on the shelf has sealing ring between front end face and the friction key cover; Between inboard, lock sleeve lower end and the mandrel sealing ring is arranged; Between piston nose external surface and the locking cover sealing ring is arranged, there is sealing ring its inboard with the mandrel lower end.
Advantage of the present utility model is: by the gear graduation transmission, output torque is big; Applied range using in straight well, can use at inclined shaft, horizontal well, and is safe and reliable.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
The utility model is described in more detail below in conjunction with accompanying drawing.
The utility model mainly comprises connector assembly, side steering, anchor mechanism, locking mechanism is formed, connector assembly is by top connection 1, tooth embedding adapter sleeve 5, tooth embedding adjustment cover 7, last orifice plug 2, sealing ring 3 constitutes, the top connection 1 lower end mandrel 4 that is threaded, and at least three tooth caulking grooves of top connection 1 lower surface radial equipartition, in the present embodiment for radially evenly distributing six, and be meshing with each other with the 5 front end tooth embeddings of tooth embedding adapter sleeve, tooth embedding adapter sleeve 5 is threaded with tooth embedding adjustment cover 7, top connection 1 leaves shoulder hole in above position, mandrel 4 tops, the built-in orifice plug 2 of going up, tooth embedding adjustment is overlapped 7 front ends and is connected with tooth embedding adapter sleeve 5 with screw thread, 7 lower ends are overlapped in tooth embedding adjustment interior shoulder, its lower end is enclosed within to be sat card and adjusts on the preceding shoulder of ring 10, sits card and adjusts ring 10 front end faces and tooth embedding adjustment and overlap placement thrust bearing 8 in the cavity of 7 lower end shoulder end faces; Side steering is mainly by mandrel 4, planetary gear 25, gear bush 26, carrying cover 27 constitutes, lock sleeve 17 is sleeved on the mandrel 4, and its lower end external surface is fluted, built-in planetary gear 25, there is lug at planetary gear 25 two ends, gear undercarriage 24 and gear bush 26 leave the groove suitable with it, lock sleeve 17 lower end appearances have at least one dentation tooth embedding, it in the present embodiment embedding of two dentation teeth, table has tooth embedding groove to be meshed with it in the carrying cover 27, lock sleeve 17 front ends and middle part are fluted, built-in wing plate 14, and with stop pin 13 that itself and lock sleeve 17 is fixing; Anchor mechanism is made up of anchor fluke 16, wing plate 15, seat cutting ferrule 12, drag ring sleeve 23, anchor fluke 16 is divided into two groups up and down, be embedded in the lock sleeve 17, every group of anchor fluke 16 is two in the present embodiment, friction key cover 18 is enclosed within on the shoulder of lock sleeve 17 bottoms, friction key overlaps 18 appearances two shoulders, and drag ring sleeve 23 is sleeved on the preceding shoulder of friction key cover 18; Locking mechanism is made of locking cover 31, spring 30, piston 34, lower contact 35, piston 34 and mandrel 4 tail ends are to be threaded, the built-in spring 30 of groove that piston 34 front end faces and mandrel 4 bottom shoulder front end faces form, locking cover 31 is enclosed within mandrel 4 bottoms, its lower end is with the lower contact 35 that is threaded, shoulder hole is left at lower contact 35 middle parts, in deposit orifice plug 36.
Can be according to actual needs, to above-mentioned a kind of rotating reverse buckling equipment assembly further optimization and/or improvements:
Be connected for ease of sending into drill string with top, top connection has the standard thread that is connected with drill string in 1 upper end.
Tooth embedding adapter sleeve 5 lower ends have jackscrew 6 to be fixed on the tooth embedding adjustment cover 7.
In the cavity between friction key cover 18 and the drag ring sleeve 23 successively set gear put 21 and drag ring 22 on the shelf.
Last orifice plug 2 and following orifice plug 36 are carbide alloy or anti-erosion material.
Side steering is with main cylinder 28 outward, and protection side steering, main cylinder 28 have internal thread to be connected with locking cover 31 front ends.
For guaranteeing the sealing between the component, between mandrel 4 front end appearances and top connection 1, sealing ring 3 is arranged; Sit between card adjustment ring 10 front ends and the tooth embedding adjustment cover 7 sealing ring 9 is arranged, in the present embodiment for guaranteeing that sealing effectiveness adopts two sealing rings of distribution separated by a distance, between the lower end inner chamber of seat card adjustment ring 10 and the lock sleeve 17 sealing ring 11 is arranged, the sealing circle also is two groups in the present embodiment; Friction key overlaps between 18 front end inner chambers and the lock sleeve 17 sealing ring 19, and the sealing circle is two groups in the present embodiment; Gear is put on the shelf has sealing ring 20 between 21 front end faces and the friction key cover 18; Between inboard, lock sleeve 17 lower ends and the mandrel 4 sealing ring 29 is arranged; Between piston 34 front end external surfaces and the locking cover 31 sealing ring 33 is arranged, the sealing circle also is two groups in the present embodiment, and there is sealing ring 32 its inboard with mandrel 4 lower ends.
Reasoning bearing 8 is copper materials in the present embodiment, is used for reducing tooth embedding adjustment cover 7 and sits the frictional force of blocking between the adjustment ring 10; Friction key cover 18 is enclosed within on the mandrel 4, forms sliding friction.
Fixedly stop pin 13 1 ends of wing plate 14 placement cottor pin 15 in the present embodiment.
Anchor fluke 16 is a Hardmetal materials.
There is the screw thread that is connected with fishing tool lower contact 35 lower ends.
Operating principle of the present utility model: the rotating reverse buckling equipment is connected with the drilling rod lower end, the bottom connects the left hand thread safety joint, the fishing tool and the ball seat etc. that builds the pressure, instrument connects good back down to estimating the degree of depth, the record suspending weight is carried certain pulling force on behind the engagement with the fish, in drilling tool safety field of load, tension and compression activity repeatedly, if unfreezing just can carry brill,, slowly just changeing the salvaging drilling tool if can not unfreezing, tooth embedding adapter sleeve 5 drives sits cutting ferrule change 12 rotations, wing plate 14 is opened, when moment of torsion increases, anchor fluke 16 wedging casing walls, continuing just changes, moment of torsion reduces, and shows that screw thread opens, at this moment the pitching turn on pump, make piston 34 up, compression spring 30 and to promote mandrel 4 up together, anchor fluke 16 is removed grappling under the effect of hydraulic pressure, make instrument enter lock-out state simultaneously.
Claims (7)
1. rotating reverse buckling equipment assembly, by connector assembly, side steering, anchor mechanism, locking mechanism is formed, it is characterized in that: connector assembly is by top connection (1), tooth embedding adapter sleeve (5), tooth embedding adjustment cover (7), last orifice plug (2) constitutes, top connection (1) the lower end mandrel (4) that is threaded, and at least three tooth caulking grooves of top connection (1) lower surface radial equipartition, and be meshing with each other with the embedding of tooth embedding adapter sleeve (5) front end tooth, tooth embedding adapter sleeve (5) and tooth embedding adjustment cover (7) are by being threaded, top connection (1) leaves shoulder hole in above position, mandrel (4) top, the built-in orifice plug (2) of going up, tooth embedding adjustment cover (7) front end is connected with tooth embedding adapter sleeve (5) with screw thread, there is interior shoulder tooth embedding adjustment cover (7) lower end, its lower end is enclosed within on the preceding shoulder of sitting card adjustment ring (10), and the seat card is adjusted in the cavity that encircles (10) front end face and tooth embedding adjustment cover (7) lower end shoulder end face and placed thrust bearing (8); Side steering is mainly by mandrel (4), planetary gear (25), gear bush (26), carrying cover (27) constitutes, lock sleeve (17) is sleeved on the mandrel (4), and its lower end external surface is fluted, built-in planetary gear (25), there is lug at planetary gear (25) two ends, gear undercarriage (24) and gear bush (26) leave the groove suitable with it, lock sleeve (17) lower end appearance has at least one dentation tooth embedding, table has tooth embedding groove to be meshed with it in the carrying cover (27), lock sleeve (17) front end and middle part are fluted, built-in wing plate (14), and with stop pin (13) that itself and lock sleeve (17) is fixing; Anchor mechanism is made up of anchor fluke (16), wing plate (15), seat cutting ferrule (12), drag ring sleeve (23), anchor fluke (16) is divided into two groups up and down, be embedded in the lock sleeve (17), friction key cover (18) is enclosed within on the shoulder of lock sleeve (17) bottom, friction key cover (18) appearance has two shoulders, and drag ring sleeve (23) is sleeved on the preceding shoulder of friction key cover (18); Locking mechanism is made of locking cover (31), spring (30), piston (34), lower contact (35), piston (34) and mandrel (4) tail end are to be threaded, the built-in spring of groove (30) that piston (34) front end face and mandrel (4) bottom shoulder front end face form, locking cover (31) is enclosed within mandrel (4) bottom, its lower end is with the lower contact that is threaded (35), shoulder hole is left at lower contact (35) middle part, in deposit orifice plug (36).
2. a kind of rotating reverse buckling equipment assembly according to claim 1 is characterized in that: top connection (1) has the standard thread that is connected with drill string in the upper end.
3. a kind of rotating reverse buckling equipment assembly according to claim 1 is characterized in that: tooth embedding adapter sleeve (5) lower end has jackscrew (6) to be fixed on the tooth embedding adjustment cover (7).
4. a kind of rotating reverse buckling equipment assembly according to claim 1 is characterized in that: in the cavity between friction key cover (18) and the drag ring sleeve (23) successively set gear put on the shelf (21) and drag ring (22).
5. a kind of rotating reverse buckling equipment assembly according to claim 1 is characterized in that: going up orifice plug (2) and following orifice plug (36) is carbide alloy.
6. a kind of rotating reverse buckling equipment assembly according to claim 1, it is characterized in that: side steering is with main cylinder (28) outward, and protection side steering, main cylinder (28) have internal thread to be connected with locking cover (31) front end.
7. a kind of rotating reverse buckling equipment assembly according to claim 1 is characterized in that: for guaranteeing the sealing between the component, between mandrel (4) front end appearance and top connection (1) sealing ring (3) is arranged; Sitting between card adjustment ring (10) front end and the tooth embedding adjustment cover (7) has sealing ring (9), between its lower end inner chamber and the lock sleeve (17) sealing ring (11) is arranged; Between friction key cover (18) front end inner chamber and the lock sleeve (17) sealing ring (19) is arranged; Gear is put on the shelf has sealing ring (20) between (21) front end face and the friction key cover (18); Between inboard, lock sleeve (17) lower end and the mandrel (4) sealing ring (29) is arranged; Between piston (34) front end external surface and the locking cover (31) sealing ring (33) is arranged, there is sealing ring (32) its inboard with mandrel (4) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201667229U CN201567995U (en) | 2009-07-31 | 2009-07-31 | Positive inverted back-off device assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201667229U CN201567995U (en) | 2009-07-31 | 2009-07-31 | Positive inverted back-off device assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201567995U true CN201567995U (en) | 2010-09-01 |
Family
ID=42660282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201667229U Expired - Fee Related CN201567995U (en) | 2009-07-31 | 2009-07-31 | Positive inverted back-off device assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201567995U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561971A (en) * | 2012-01-17 | 2012-07-11 | 郭运清 | Reverse rotating boot socket |
| CN107489387A (en) * | 2017-09-30 | 2017-12-19 | 山东胜利石油装备产业技术研究院 | A kind of novel hydraulic reverse buckling equipment |
| CN108331536A (en) * | 2018-01-25 | 2018-07-27 | 中国海洋石油集团有限公司 | A kind of small drill collar joint of novel torsion-resistant |
| CN110206502A (en) * | 2019-07-06 | 2019-09-06 | 通化红光石油机械有限责任公司 | Sleeve reversing device |
| CN113250639A (en) * | 2020-08-28 | 2021-08-13 | 中国海洋石油集团有限公司 | High-torsion-resistance back-off fishing pipe column and fishing method and application thereof |
-
2009
- 2009-07-31 CN CN2009201667229U patent/CN201567995U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561971A (en) * | 2012-01-17 | 2012-07-11 | 郭运清 | Reverse rotating boot socket |
| CN102561971B (en) * | 2012-01-17 | 2014-08-20 | 郭运清 | Reverse rotating boot socket |
| CN107489387A (en) * | 2017-09-30 | 2017-12-19 | 山东胜利石油装备产业技术研究院 | A kind of novel hydraulic reverse buckling equipment |
| CN108331536A (en) * | 2018-01-25 | 2018-07-27 | 中国海洋石油集团有限公司 | A kind of small drill collar joint of novel torsion-resistant |
| CN110206502A (en) * | 2019-07-06 | 2019-09-06 | 通化红光石油机械有限责任公司 | Sleeve reversing device |
| CN113250639A (en) * | 2020-08-28 | 2021-08-13 | 中国海洋石油集团有限公司 | High-torsion-resistance back-off fishing pipe column and fishing method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |