CN210087253U - Novel butt joint device for oilfield workover tools - Google Patents
Novel butt joint device for oilfield workover tools Download PDFInfo
- Publication number
- CN210087253U CN210087253U CN201920816584.8U CN201920816584U CN210087253U CN 210087253 U CN210087253 U CN 210087253U CN 201920816584 U CN201920816584 U CN 201920816584U CN 210087253 U CN210087253 U CN 210087253U
- Authority
- CN
- China
- Prior art keywords
- joint
- workover
- tool
- main
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A novel butt joint device for oilfield workover tools is characterized in that an internal thread connected with a workover string is arranged at the upper part of a main joint, an internal thread connected with an auxiliary joint is arranged at the lower part of the main joint, a liquid return groove is arranged on a body, an outer positioning hole is arranged at the side end of the body, and a positioning pin shaft penetrates through the outer positioning hole and the inner positioning hole to lock the auxiliary joint on the main joint; its vice joint is equipped with the external screw thread that is connected with the main joint, and it has six screens grooves to open on mid portion's the cylinder, and the screens groove cooperatees with the screens boss, will right the body location on mid portion's cylinder, and vice joint lower extreme is equipped with the external screw thread that is connected with workover tool, the utility model discloses can use with the workover tool of different functions is supporting, still can change different specifications according to sheathed tube specification and right the body to guaranteed that workover tool is in pit shaft central point all the time and put, just right the body and replaced the function of former centralizer in the pit in addition, workover tool is more simplified, has better economy and social and using value widely.
Description
Technical Field
The utility model relates to an among the oil field workover operation process, in order to guarantee that the butt joint specification of workover rig is identical with workover tubular column and a connecting device of design, particularly be exactly a novel oil field workover rig butt joint ware.
Background
The well repairing pipe column used in the well repairing operation of the oil field is 21/2The oil pipes are connected, and the workover tool has 21/2Inch, 31/2When connecting a workover tool, the two different specifications of inch need connect the assorted centralizer according to the internal diameter of oil reservoir casing pipe after, connect with workover tool assorted oil pipe reducing short circuit again to reach the purpose of butt joint. This kind of connection method, again very poor adaptability in the scene, is shown in particular:
firstly, the screw thread end with the lowest reducing short-circuit strength of the oil pipe is extremely easy to cut off due to the strong torque generated by salvaging the falling objects, so that secondary falling object accidents are caused, and the unnecessary labor intensity is increased;
secondly, the distance between the connecting position of the centralizer and the workover tool is 1-2 oil pipes, and due to the elastic deformation of the oil pipes, the centering performance of the tool is easily deteriorated, and underground falling objects are not easy to catch;
therefore, through repeated investigation and calculation by technicians, the tensile and shearing resistance of the auxiliary joint is increased, and the centralizers with two specifications are designed according to the actual situation on site so as to meet the requirement of site replacement.
Disclosure of Invention
The utility model aims at solving the problems of the prior art and designing a novel butt joint device for oil field workover tools.
The utility model discloses a realize by following technical scheme:
a novel oilfield workover tool docket, comprising: the main joint, the auxiliary joint, the centralizing body, the workover tool, the positioning pin shaft, the main joint liquid return groove, the centralizing block, the centralizing body liquid return groove, the outer positioning hole, the inner positioning hole, the clamping groove and the clamping boss; a novel oil field workover tool butt-joint ware main joint be big or small first structure of pipe form, main joint upper portion is equipped with the specification that is connected with workover tubular column and is Rc21/2The lower part of the conical internal thread is provided with G3 connected with the auxiliary joint1/2The main body is provided with two symmetrical semi-arc main joint return grooves, the side end of the main body is provided with an outer positioning hole which is communicated from front to back, and a positioning pin shaft penetrates through the outer positioning hole and the inner positioning hole to lock the auxiliary joint on the main joint; the auxiliary joint is of a step-shaped cylindrical structure, and the upper part of the auxiliary joint is provided with G3 connected with the main joint1/2The external thread of the round pipe, the column body of the middle part is provided with six semicircular arc-shaped clamping grooves which are matched with the clamping bosses to position the centralizing body on the column body of the middle part, and the lower end of the auxiliary joint is provided with G2 connected with a workover tool1/2And (4) external threads of the round pipe.
The righting body is of a columnar-stage-shaped hollow structure, three groups of evenly-arranged triangular righting blocks are arranged on the periphery of the righting body, and two semicircular arc-shaped righting body liquid return grooves are formed between the two groups of righting blocks.
The lower end of the auxiliary joint is provided with a round pipe external thread connected with a workover tool, and the round pipe external thread can be designed to be G31/2。
The maximum outer diameter of the design of the centralizing body has two specifications which are 139mm and 114mm respectively.
And the main joint return tank and the centralizing body return tank are on the same axis when being assembled.
Compared with the prior art, the beneficial effects of the utility model are that: the correcting body can be matched with workover tools with different functions, such as a male cone, a female cone, a fishing barrel, a milling shoe and the like, and the correcting bodies with different specifications can be replaced according to the specification of an oil layer casing, so that the workover tool is always positioned in the center of a shaft and is easy to salvage objects falling in the well, the correcting body replaces the function of the original underground centralizer, the workover tool is simpler and easier, and the correcting body has better economic and social benefits and popularization and use values.
Drawings
Fig. 1-the main visual axis side explosion structure of the utility model.
Fig. 2-schematic diagram of the main viewing axis side structure of the embodiment of the present invention.
In the attached drawing, 1 is a main joint, 2 is an auxiliary joint, 3 is a righting body, 4 is a workover tool, 5 is a positioning pin shaft, 101 is a main joint return tank, 301 is a righting block, 302 is a righting body return tank, A is an outer positioning hole, B is an inner positioning hole, C is a clamping groove, and D is a clamping boss.
Detailed Description
The following further explains the implementation of the present invention with reference to the drawings:
referring to fig. 1-2, the present invention provides a technical solution: a novel oilfield workover tool docket, comprising: the main joint 1, the auxiliary joint 2, the centralizing body 3, the workover tool 4, the positioning pin shaft 5, the main joint liquid return groove 101, the centralizing block 301, the centralizing body liquid return groove 302, the outer positioning hole A, the inner positioning hole B, the clamping groove C and the clamping boss D; a novel oil field workover tool butt joint ware main joint 1 be pipe form concentric reducer structure, 1 upper portion of main joint is equipped with the specification that is connected with the workover tubular column and is Rc21/2The lower part of the conical internal thread is provided with G3 connected with the auxiliary joint 21/2The pipe internal thread is equipped with the semicircle arcuation owner of twice symmetry on the body and connects return tank 101, its purpose: the backflow speed of the returned liquid in the well is smoother, an outer positioning hole A which is through from front to back is formed in the side end of the well, and a positioning pin shaft 5 penetrates through the outer positioning hole A and the inner positioning hole B to lock the auxiliary joint 2 on the main joint 1; the auxiliary joint 2 is in a step-shaped cylindrical structure, and the upper part of the auxiliary joint 2 is provided with G3 connected with the main joint 11/2The external thread of the round pipe is provided with six semicircular arcs on the cylinder body of the middle partThe clamping groove C is matched with the clamping boss D, the righting body 3 is positioned on the column body of the middle part, and the lower end of the auxiliary joint 2 is provided with G2 connected with the workover tool 41/2And (4) external threads of the round pipe.
The centralizing body 3 is of a columnar-stage-shaped hollow structure, three groups of evenly-arranged triangular centralizing blocks 301 are arranged on the periphery of the centralizing body 3, and two semicircular arc centralizing body return grooves 302 are formed between the two groups of centralizing blocks 301.
The lower end of the auxiliary joint 2 is provided with a round pipe external thread connected with the workover tool 4, and the design is G31/2。
The maximum outer diameter of the design of the centralizing body 3 has two specifications, namely 139mm and 114 mm.
The main joint return tank 101 and the righting body return tank 302 are on the same axis when assembled.
The specification is as follows: the specification of the main joint 1 is phi 73 multiplied by phi 100 multiplied by 500 (mm);
the specification of the auxiliary joint 2 is phi 89 multiplied by phi 80 multiplied by phi 63 multiplied by 600 (mm); the specification of the centralizing body 3 is the inner diameter phi 63+0.2X outer diameter of 90X 300 (mm).
When the well repairing device is used, a proper righting body 3 (139 mm and 114 mm) is selected according to the size of an oil well casing, the main joint 1 and the auxiliary joint 2 are sequentially connected together, the positioning pin shaft 5 penetrates through the positioning pin shaft to enable the main joint and the auxiliary joint not to rotate along with the torsion of a pipe column, then the righting body 3 is placed on a column body in the middle of the auxiliary joint 2 after the clamping groove C is aligned with the clamping boss D, finally, the well repairing device is connected with a well repairing tool 4, and the well repairing device is placed into a well along with a well repairing pipe column after the tool is assembled.
Claims (5)
1. A novel oilfield workover tool docket, comprising: the well repairing device comprises a main joint (1), an auxiliary joint (2), a righting body (3), a well repairing tool (4), a positioning pin shaft (5), a main joint liquid return groove (101), a righting block (301), a righting body liquid return groove (302), an outer positioning hole (A), an inner positioning hole (B), a clamping groove (C) and a clamping boss (D); the method is characterized in that: a novel oil field workover tool butt-joint ware main joint (1) be big or small first structure of pipe form, main joint (1) upper portion is equipped with the specification that is connected with workover tubular column and is Rc21/2A conical internal thread, the lower part of which is provided withG3 connected with auxiliary joint (2)1/2The pipe is internally threaded, two symmetrical semi-arc-shaped main joint return tanks (101) are arranged on the body, outer positioning holes (A) which are communicated from front to back are formed in the side ends of the pipe, and positioning pin shafts (5) penetrate through the outer positioning holes (A) and the inner positioning holes (B) to lock the auxiliary joint (2) on the main joint (1); the auxiliary joint (2) is of a step-shaped cylindrical structure, and the upper part of the auxiliary joint (2) is provided with G3 connected with the main joint (1)1/2The pipe external screw thread, it has six semicircle arc-shaped screens grooves (C) to open on the cylinder of middle part, screens groove (C) and screens boss (D) and cooperate, will right body (3) location on the cylinder of middle part, the lower extreme of auxiliary joint (2) is equipped with the G2 that is connected with workover tool (4)1/2And (4) external threads of the round pipe.
2. The novel butt joint device for the oilfield workover tools of claim 1, wherein: the centralizing body (3) is of a columnar-stage-shaped hollow structure, three groups of evenly-arranged triangular centralizing blocks (301) are arranged on the periphery of the centralizing body (3), and two semicircular arc centralizing body return grooves (302) are formed between the two groups of centralizing blocks (301).
3. The novel butt joint device for the oilfield workover tools of claim 1, wherein: the lower end of the auxiliary joint (2) is provided with a round pipe external thread connected with a workover tool (4) and is designed as G31/2。
4. The novel butt joint device for the oilfield workover tools of claim 1, wherein: the maximum outer diameter of the design of the centralizing body (3) has two specifications, namely 139mm and 114 mm.
5. The novel butt joint device for the oilfield workover tools of claim 1, wherein: and the main joint return tank (101) and the centralizing body return tank (302) are on the same axis when being assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816584.8U CN210087253U (en) | 2019-06-01 | 2019-06-01 | Novel butt joint device for oilfield workover tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816584.8U CN210087253U (en) | 2019-06-01 | 2019-06-01 | Novel butt joint device for oilfield workover tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087253U true CN210087253U (en) | 2020-02-18 |
Family
ID=69481184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920816584.8U Expired - Fee Related CN210087253U (en) | 2019-06-01 | 2019-06-01 | Novel butt joint device for oilfield workover tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309480A (en) * | 2021-07-29 | 2021-08-27 | 中国石油集团川庆钻探工程有限公司 | Anti-sticking milling shoe and drilling, grinding and milling tool for coiled tubing |
-
2019
- 2019-06-01 CN CN201920816584.8U patent/CN210087253U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309480A (en) * | 2021-07-29 | 2021-08-27 | 中国石油集团川庆钻探工程有限公司 | Anti-sticking milling shoe and drilling, grinding and milling tool for coiled tubing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3520561A (en) | Pipe coupling | |
| US11926001B2 (en) | Welded fencing system with prefabricated connectors | |
| CN210087253U (en) | Novel butt joint device for oilfield workover tools | |
| US4431219A (en) | Replaceable tubular connector | |
| MX2011010233A (en) | Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods. | |
| CN206737270U (en) | Self-locking snap ring-type reinforcing steel bar connecting device | |
| CN103124829B (en) | The screw thread coupling that moment of torsion increases | |
| CN205370461U (en) | Device for connecting be used for preventer pressure testing instrument | |
| CN103742092A (en) | Expansion pipe completing tool | |
| CN204040936U (en) | The female adapter of petroleum pipeline direct linkage type | |
| CN202745720U (en) | Geological drill pipe | |
| CN2539832Y (en) | Drilling rod for well-drilling | |
| CN2893126Y (en) | Reinforced drill rod | |
| CN210659937U (en) | Coal mine underground drilling sleeve pipe anti-fault-breakage protection device | |
| AU2018101723A4 (en) | Drill Rod | |
| US2674786A (en) | Method of making fittings | |
| CN201908599U (en) | Fishing tool for multifunctional spiral drilling rig | |
| CN214424441U (en) | Combined double-pipe reducing joint and drilling equipment | |
| CN104989334A (en) | Blind-hole-free perforating gun pipe with two thickened ends and thin-wall middle and manufacturing method of blind-hole-free perforating gun pipe | |
| CN101649728B (en) | Connection structure of I-shaped key expansion tube | |
| CN216691024U (en) | Drill-post type bidirectional milling cone and drill-post type bidirectional milling cone combined drilling tool | |
| CN206071474U (en) | Improved pair of shoulder drilling rod | |
| US2120062A (en) | Joint | |
| CN208966239U (en) | Fishing device | |
| CN210977451U (en) | Seal clamping structure for cable armored by slurry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210601 |