CN204299519U - Surface pipe anchoring device - Google Patents
Surface pipe anchoring device Download PDFInfo
- Publication number
- CN204299519U CN204299519U CN201420705192.1U CN201420705192U CN204299519U CN 204299519 U CN204299519 U CN 204299519U CN 201420705192 U CN201420705192 U CN 201420705192U CN 204299519 U CN204299519 U CN 204299519U
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- mandrel
- land
- coupling
- annular
- screw thread
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Abstract
<b> the utility model relates to anchoring device technical field, be a kind of surface pipe anchoring device, its </b><bGreatT.Gre aT.GT comprises coupling, mandrel and hanging block; The inwall of coupling is integrally fixed with from left to right respectively left land, middle land and right land that internal diameter reduces successively, the inwall of left land is provided with left-hand thread screw thread, axial passage is had in mandrel, the right part outer wall of mandrel is the annular through groove that external diameter is less than outside diameter of mandrel, the external diameter of annular through groove and the diameter compatible of right land, the external diameter of mandrel and the diameter compatible of middle land, the left part outer wall of mandrel is provided with installation land.The utility model reasonable and compact in structure, easy to use, by carrying out the connection of hanging realization and surface pipe to surface pipe, grappling is carried out to surface pipe, facilitate the connection of downhole tool and surface pipe, and by removing the suspension to surface pipe, realizing the fishing to underground fishing drilling tool string, reaching the object of salvaging.</b>
Description
Technical field
the utility model relates to anchoring device technical field, is a kind of surface pipe anchoring device.
Background technology
casing Drilling Technique is a revolutionary new technology of drilling applications in world wide, change the operating type of conventional drilling, drillng operation is completed by utilizing sleeve pipe, drilling well limit, limit setting of casing, finishing drilling rear sleeve post rests on directly well cementation in well, compared with drilling rod drilling well, Sleeve drill has obvious advantage, there is good development and application prospect, and the development of corollary equipment, particularly the connected mode of sleeve pipe and drilling rod is this technology maturation and one of key technology applied, but during current on-the-spot surface pipe drilling well, downhole tool is bad is connected with sleeve pipe, once be inconvenient to again take out after connecting.
Summary of the invention
the utility model provides a kind of surface pipe anchoring device, overcomes the deficiency of above-mentioned prior art, and it can effectively solve, and current surface pipe is bad in down-hole is connected and connects rear problem of being inconvenient to take out with downhole tool.
the technical solution of the utility model is realized by following measures: a kind of surface pipe anchoring device, comprises coupling, mandrel and hanging block, the inwall of coupling is integrally fixed with from left to right respectively the left land that internal diameter reduces successively, middle land and right land, the inwall of left land is provided with left-hand thread screw thread, axial passage is had in mandrel, annular through groove is had outside the right part of mandrel, the external diameter of annular through groove and the diameter compatible of right land, the external diameter of mandrel and the diameter compatible of middle land, the left part outer wall of mandrel is provided with installation land, install in land and be provided with the left-hand thread screw thread matched with the left-hand thread screw thread in left land, the mandrel of installation land left is set with pressure ring, the left end sulfuration of pressure ring has rubber seal, core sleeve is contained in coupling, the right-hand member outer wall of pressure ring and the left end inwall of coupling are fixedly installed togather, the left end outer wall of mandrel is installed with the pressing plate of annular, annular through groove is provided with the terraced steps of outer narrow inner width, coupling is uniformly distributed with along the circumference the step elongated hole of at least two, step elongated hole is corresponding with terraced steps, axial length outside step elongated hole is greater than the axial length of inner side, being provided with in each step elongated hole can the hanging block that outwards or inwardly rotates of opposing steps elongated hole, the madial wall of hanging block is provided with the thrust groove corresponding with terraced steps, terraced steps is positioned at thrust groove, and the hanging block inwall when left side of the left side of terraced steps and thrust groove offsets on the right side of thrust groove and annular through groove offset, left part outside step elongated hole is installed with the spacing briquetting that can limit hanging block position of rotation.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
the above-mentioned step elongated hole being uniformly distributed with three in coupling along the circumference.
the above-mentioned installing hole being evenly equipped with the axis of at least two on pressing plate.
above-mentioned annular through groove between annular through groove and right land is provided with sealing ring.
the right-hand member outer wall of above-mentioned pressure ring and the left end inwall of coupling are fixedly installed togather by screw thread, the left end outer wall of mandrel is installed with by screw thread the pressing plate of annular, spacing briquetting is mounted by means of screws with at the step elongated hole left part in outside, the left end of mandrel has internal thread, and the right-hand member of coupling has external screw thread.
the utility model reasonable and compact in structure, easy to use, by carrying out the connection of hanging realization and surface pipe to surface pipe, grappling is carried out to surface pipe, facilitate the connection of downhole tool and surface pipe, and by removing the suspension to surface pipe, realizing the fishing to underground fishing drilling tool string, reaching the object of salvaging.
Accompanying drawing explanation
accompanying drawing 1 is that the master of the utility model most preferred embodiment looks half section structural representation.
accompanying drawing 2 is that broken section structural representation is looked on a left side for accompanying drawing 1.
coding in accompanying drawing is respectively: 1 is coupling, and 2 is left land, and 3 is middle land, and 4 is right land, 5 is mandrel, and 6 is axial passage, and 7 is annular through groove, 8 for installing land, and 9 is pressure ring, and 10 is rubber seal, 11 is pressing plate, and 12 is terraced steps, and 13 is step elongated hole, 14 is hanging block, and 15 is thrust groove, and 16 is spacing briquetting, 17 is installing hole, and 18 is sealing ring, and 19 is screw.
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:
as shown in accompanying drawing 1,2, this surface pipe anchoring device comprises coupling 1, mandrel 5 and hanging block 14, the inwall of coupling 1 is integrally fixed with from left to right respectively the left land 2 that internal diameter reduces successively, middle land 3 and right land 4, the inwall of left land 2 is provided with left-hand thread screw thread, axial passage 6 is had in mandrel 5, annular through groove 7 is had outside the right part of mandrel 5, the external diameter of annular through groove 7 and the diameter compatible of right land 4, the external diameter of mandrel 5 and the diameter compatible of middle land 3, the left part outer wall of mandrel 5 is provided with land 8 is installed, install in land 8 and be provided with the left-hand thread screw thread matched with the left-hand thread screw thread in left land 2, the mandrel 5 of installation land 8 left is set with pressure ring 9, the left end sulfuration of pressure ring 9 has rubber seal 10, mandrel 5 is sleeved in coupling 1, the right-hand member outer wall of pressure ring 9 and the left end inwall of coupling 1 are fixedly installed togather, the left end outer wall of mandrel 5 is installed with the pressing plate 11 of annular, annular through groove 7 is provided with the terraced steps 12 of outer narrow inner width, coupling 1 is uniformly distributed with along the circumference the step elongated hole 13 of at least two, step elongated hole 13 is corresponding with terraced steps 12, axial length outside step elongated hole 13 is greater than the axial length of inner side, being provided with in each step elongated hole 13 can the hanging block 14 that outwards or inwardly rotates of opposing steps elongated hole 13, the madial wall of hanging block 14 is provided with the thrust groove 15 corresponding with terraced steps 12, terraced steps 12 is positioned at thrust groove 15, and hanging block 14 inwall when left side of the left side of terraced steps 12 and thrust groove 15 offsets on the right side of thrust groove 15 and annular through groove 7 offset, left part outside step elongated hole 13 is installed with the spacing briquetting 16 that can limit hanging block 14 position of rotation.When hanging block 14 outwards screws out, after hanging block rotates to certain angle, the right-hand member of spacing briquetting and the lateral wall of hanging block offset, hanging block is stoped to further rotate, avoid hanging block excessively to rotate and make terraced steps deviate from thrust groove 15, conveniently process installation, spacing briquetting can for step elongated hole outside the monoblock long slab that matches, the spacing briquetting in monoblock long slab is provided with the hole can be convenient to hanging block and screwed out, during use, the left end of mandrel 5 is connected with salvaging drilling tool, the right-hand member of coupling 1 is connected with screw rod or reaming hole bar, after exerting pressure to mandrel 5, the relative coupling 1 of mandrel 5 moves to right, upper button is carried out when left land 2 is met with installation land 8, left land 2 is threaded by left-hand thread with installation land 8, after mandrel 5 moves to right, hanging block 14 is under the cooperation of terraced steps 12 and thrust groove 15, hanging block 14 is pushed out step elongated hole 13, be suspended on surface pipe inwall, and mandrel 5 is with dynamic pressure plate 11 to move to right, pressing plate 11 pairs of rubber seals 10 extrude, rubber seal 10 radial direction increases, sealing function is played between the utility model and surface pipe, when suspension removed by needs, the mandrel 5 that turns clockwise is triped, mandrel 5 relatively coupling 1 moves to left, terraced steps 12 promotes thrust groove 15 and drives hanging block 14 rotation to make hanging block 14 be retracted in step elongated hole 13, mandrel 5 is with dynamic pressure plate 11 to move to left simultaneously, rubber seal 10 remove stressed after be retracted to normal size, the utility model and surface pipe depart from, and after hanging block 14 and rubber seal 10 are regained, external diameter of the present utility model is less than the internal diameter of surface pipe, and the utility model just can be mobile in surface pipe inside.
according to actual needs, above-mentioned surface pipe anchoring device can be made further optimization and/or improvements:
as shown in Figure 1, coupling 1 is uniformly distributed with the step elongated hole 13 of three along the circumference.Be provided with three step elongated holes 13 corresponding just have three hanging blocks, 14, three hanging blocks 14 to hang time, can be that to hang operation more reliable and more stable.
as shown in Figure 1, pressing plate 11 is evenly equipped with the installing hole 17 of the axis of at least two.Pressing plate 11 arranges installing hole 17, convenient by instrument installation pressing plate 11.
as shown in Figure 1, the annular through groove 7 between annular through groove 7 and right land 4 is provided with sealing ring 18.Sealing ring 18 on annular through groove 7 can play good movable sealing effect.
as shown in Figure 1, the right-hand member outer wall of pressure ring 9 and the left end inwall of coupling 1 are fixedly installed togather by screw thread, the left end outer wall of mandrel 5 is installed with by screw thread the pressing plate 11 of annular, limited location briquetting 16 is fixedly mounted by screw 19 at step elongated hole 13 left part in outside, the left end of mandrel 5 has internal thread, and the right-hand member of coupling 1 has external screw thread.
the utility model is by carrying out the connection of hanging realization and surface pipe to surface pipe, grappling is carried out to surface pipe, facilitate the connection of downhole tool and surface pipe, and by removing the suspension to surface pipe, realize the fishing to underground fishing drilling tool string, reach the object of salvaging.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (9)
1. a surface pipe anchoring device, is characterized in that comprising coupling, mandrel and hanging block, the inwall of coupling is integrally fixed with from left to right respectively the left land that internal diameter reduces successively, middle land and right land, the inwall of left land is provided with left-hand thread screw thread, axial passage is had in mandrel, annular through groove is had outside the right part of mandrel, the external diameter of annular through groove and the diameter compatible of right land, the external diameter of mandrel and the diameter compatible of middle land, the left part outer wall of mandrel is provided with installation land, install in land and be provided with the left-hand thread screw thread matched with the left-hand thread screw thread in left land, the mandrel of installation land left is set with pressure ring, the left end sulfuration of pressure ring has rubber seal, core sleeve is contained in coupling, the right-hand member outer wall of pressure ring and the left end inwall of coupling are fixedly installed togather, the left end outer wall of mandrel is installed with the pressing plate of annular, annular through groove is provided with the terraced steps of outer narrow inner width, coupling is uniformly distributed with along the circumference the step elongated hole of at least two, step elongated hole is corresponding with terraced steps, axial length outside step elongated hole is greater than the axial length of inner side, being provided with in each step elongated hole can the hanging block that outwards or inwardly rotates of opposing steps elongated hole, the madial wall of hanging block is provided with the thrust groove corresponding with terraced steps, terraced steps is positioned at thrust groove, and the hanging block inwall when left side of the left side of terraced steps and thrust groove offsets on the right side of thrust groove and annular through groove offset, left part outside step elongated hole is installed with the spacing briquetting that can limit hanging block position of rotation.
2. surface pipe anchoring device according to claim 1, is characterized in that the step elongated hole being uniformly distributed with three in coupling along the circumference.
3. surface pipe anchoring device according to claim 1 and 2, is characterized in that the installing hole of the axis being evenly equipped with at least two on pressing plate.
4. surface pipe anchoring device according to claim 1 and 2, is characterized in that the annular through groove between annular through groove and right land is provided with sealing ring.
5. surface pipe anchoring device according to claim 3, is characterized in that the annular through groove between annular through groove and right land is provided with sealing ring.
6. surface pipe anchoring device according to claim 1 and 2, it is characterized in that the right-hand member outer wall of pressure ring and the left end inwall of coupling are fixedly installed togather by screw thread, the left end outer wall of mandrel is installed with by screw thread the pressing plate of annular, spacing briquetting is mounted by means of screws with at the step elongated hole left part in outside, the left end of mandrel has internal thread, and the right-hand member of coupling has external screw thread.
7. surface pipe anchoring device according to claim 3, it is characterized in that the right-hand member outer wall of pressure ring and the left end inwall of coupling are fixedly installed togather by screw thread, the left end outer wall of mandrel is installed with by screw thread the pressing plate of annular, spacing briquetting is mounted by means of screws with at the step elongated hole left part in outside, the left end of mandrel has internal thread, and the right-hand member of coupling has external screw thread.
8. surface pipe anchoring device according to claim 4, it is characterized in that the right-hand member outer wall of pressure ring and the left end inwall of coupling are fixedly installed togather by screw thread, the left end outer wall of mandrel is installed with by screw thread the pressing plate of annular, spacing briquetting is mounted by means of screws with at the step elongated hole left part in outside, the left end of mandrel has internal thread, and the right-hand member of coupling has external screw thread.
9. surface pipe anchoring device according to claim 5, it is characterized in that the right-hand member outer wall of pressure ring and the left end inwall of coupling are fixedly installed togather by screw thread, the left end outer wall of mandrel is installed with by screw thread the pressing plate of annular, spacing briquetting is mounted by means of screws with at the step elongated hole left part in outside, the left end of mandrel has internal thread, and the right-hand member of coupling has external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705192.1U CN204299519U (en) | 2014-11-22 | 2014-11-22 | Surface pipe anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705192.1U CN204299519U (en) | 2014-11-22 | 2014-11-22 | Surface pipe anchoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204299519U true CN204299519U (en) | 2015-04-29 |
Family
ID=53105065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420705192.1U Expired - Fee Related CN204299519U (en) | 2014-11-22 | 2014-11-22 | Surface pipe anchoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204299519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798571A (en) * | 2017-05-04 | 2018-11-13 | 北京博德世达石油技术股份有限公司 | Casing anchor |
| CN109915053A (en) * | 2019-04-15 | 2019-06-21 | 成都百胜野牛科技有限公司 | Structure is discharged in a kind of fastening device, downhole tool and underground |
-
2014
- 2014-11-22 CN CN201420705192.1U patent/CN204299519U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798571A (en) * | 2017-05-04 | 2018-11-13 | 北京博德世达石油技术股份有限公司 | Casing anchor |
| CN108798571B (en) * | 2017-05-04 | 2023-12-26 | 北京博德世达石油技术股份有限公司 | casing anchor |
| CN109915053A (en) * | 2019-04-15 | 2019-06-21 | 成都百胜野牛科技有限公司 | Structure is discharged in a kind of fastening device, downhole tool and underground |
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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: 20150429 Termination date: 20201122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |