CN112360361B - Self-locking type non-coupling casing hoop installation tool - Google Patents
Self-locking type non-coupling casing hoop installation tool Download PDFInfo
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- CN112360361B CN112360361B CN202011410941.4A CN202011410941A CN112360361B CN 112360361 B CN112360361 B CN 112360361B CN 202011410941 A CN202011410941 A CN 202011410941A CN 112360361 B CN112360361 B CN 112360361B
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- cylinder sleeve
- piston
- upper cylinder
- lower cylinder
- sleeve
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- 230000008878 coupling Effects 0.000 title claims abstract description 16
- 238000010168 coupling process Methods 0.000 title claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/12—Devices for placing or drawing out wear protectors
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a self-locking type non-coupling casing hoop installation tool, which comprises a piston, an upper cylinder sleeve, a lower cylinder sleeve, a hydraulic cylinder and a base, wherein the piston is fixedly connected with the upper cylinder sleeve; the piston is of a tubular structure, and a raised piston block which is arranged annularly is integrally formed on the outer wall of the piston; the upper cylinder sleeve and the lower cylinder sleeve are both of tubular structures, and the outer walls of the upper cylinder sleeve and the lower cylinder sleeve are respectively provided with at least one pair of lugs; the hydraulic cylinder is of a tubular structure with a through middle part; the upper cylinder sleeve and the lower cylinder sleeve are hermetically sleeved on the outer wall of the piston and are distributed on two sides of the piston block, the hydraulic cylinder sleeve is sleeved on the outer wall of the upper cylinder sleeve and the outer wall of the lower cylinder sleeve and is fixedly connected with the upper cylinder sleeve and the outer wall of the lower cylinder sleeve and is hermetically contacted with the upper cylinder sleeve, the lower cylinder sleeve and the piston block, so that the piston, the piston block and the hydraulic cylinder respectively form an upper cavity chamber and a lower cavity chamber with the upper cylinder sleeve and the lower cylinder sleeve, at least two liquid passing holes are arranged on the side wall of the hydraulic cylinder, and the liquid passing holes can be respectively communicated with the upper cavity chamber and the lower cavity chamber; the invention has simple operation, convenient installation and large locking force.
Description
Technical Field
The invention belongs to the technical field of well cementing and completing tools, and particularly relates to a self-locking type installation tool for a collar clamp of a non-coupling casing.
Background
During the drilling, completion and well cementation operation, the centralizer is an effective means for keeping the centering degree of the casing and improving the well cementation quality, and the limiting clamp of the centralizer is a tool for fixing the centralizer, so that the centralizer without the casing can be effectively prevented from sliding and stacking together, the resistance increased due to the stacking of the centralizer in the casing setting process is reduced, and the smooth casing setting of the casing is ensured.
Currently, centralizers are anchored to the outer surface of the pipe by installing set screws to increase the friction with the casing. These methods have insufficient anchoring force and cannot meet the running requirement of the non-collar casing. There is therefore a need for a tool that is safe and simple to install and that can lock the centralizer in the desired position on the casing surface, and a non-collar casing centralizer limiting collar that can effectively and reliably secure the centralizer against axial movement relative to the casing. However, such a stop clip is relatively cumbersome to install.
Therefore, based on the problems, the self-locking type non-coupling casing clamp installation tool which has the technical characteristics of simplicity in operation, convenience in installation, large locking force and the like and has important practical significance is provided for extruding and engaging the centralizer limiting clamp, the centralizer and the casing together by controlling the piston to move hydraulically.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the mounting tool for the self-locking type non-coupling casing clamp, which realizes the extrusion and engagement of the limit clamp of the centralizer, the centralizer and the casing through the movement of the hydraulic control piston and has the technical characteristics of simple operation, convenient mounting, large locking force and the like.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a self-locking type non-coupling casing hoop installation tool comprises a piston, an upper cylinder sleeve, a lower cylinder sleeve, a hydraulic cylinder and a base; the piston is of a tubular structure, and an annular convex piston block is integrally formed on the outer wall of the piston; the upper cylinder sleeve and the lower cylinder sleeve are both of tubular structures, and the outer walls of the upper cylinder sleeve and the lower cylinder sleeve are respectively provided with at least one pair of lugs; the hydraulic cylinder is of a tubular structure with a through middle part; the upper cylinder sleeve and the lower cylinder sleeve are hermetically sleeved on the outer wall of the piston and are distributed on two sides of the piston block, the hydraulic cylinder is sleeved on the outer walls of the upper cylinder sleeve and the lower cylinder sleeve and is fixedly connected with the upper cylinder sleeve and the lower cylinder sleeve and is hermetically contacted with the upper cylinder sleeve, the lower cylinder sleeve and the piston block, so that the piston, the piston block and the hydraulic cylinder respectively form an upper cavity chamber and a lower cavity chamber with the upper cylinder sleeve and the lower cylinder sleeve, at least two liquid passing holes are arranged on the side wall of the hydraulic cylinder, and the liquid passing holes can be respectively communicated with the upper cavity chamber and the lower cavity chamber;
the support rod is characterized by further comprising a support rod, one end of the support rod is fixed on the base, and the other end of the support rod penetrates through the ear handles of the upper cylinder sleeve and the lower cylinder sleeve respectively and limits the upper cylinder sleeve and the lower cylinder sleeve to move towards two sides of the support rod.
Furthermore, the hydraulic cylinder is sleeved on the outer walls of the upper cylinder sleeve and the lower cylinder sleeve and is fixedly connected with the upper cylinder sleeve and the lower cylinder sleeve, and two ends of the hydraulic cylinder are axially limited by the lug handles.
Furthermore, the lower cylinder sleeve is limited at the contact part of the support rod and the lug of the lower cylinder sleeve through a step structure.
Furthermore, a pressing cap is fixedly installed at one end, extending out of the upper cylinder sleeve, of the supporting rod, and the pressing cap is used for limiting the upper cylinder sleeve through an ear handle of the upper cylinder sleeve in an axial direction.
The upper cylinder sleeve and the lower cylinder sleeve are provided with sunken step structures on the surfaces contacting with the hydraulic cylinder, and the liquid passing hole on the side wall of the hydraulic cylinder is opposite to the step structures and is communicated with the upper cavity and the lower cavity through the step structures.
The invention has the advantages and positive effects that:
the self-locking type non-coupling casing hoop installation tool can fix the non-coupling casing hoop and a casing together, keeps the non-coupling casing hoop not to axially move on the casing, and ensures that a casing centralizer is not accumulated together due to friction resistance to cause blockage accidents when the casing centralizer is placed down and lifted up.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a cross-sectional view of the self-locking type collar-less casing collar installation tool according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the self-locking type tool for installing a ferrule without a collar according to an embodiment of the present invention;
FIG. 3 is a top view of the lower cylinder liner of the self-locking type joint-less casing collar installation tool provided in the embodiment of the present invention;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be specifically described below by way of example, but all the descriptions are for illustrative purposes only and should not be construed as limiting the present invention in any way. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1-3, the self-locking type tool for installing a collar clamp of a non-coupling casing according to the present embodiment includes a piston 1, an upper cylinder sleeve 4, a lower cylinder sleeve 10, a hydraulic cylinder 9, and a base 12; the piston 1 is of a tubular structure, and an annular convex piston block 101 is integrally formed on the outer wall of the piston; the upper cylinder sleeve 4 and the lower cylinder sleeve 10 are both tubular structures, and the outer walls of the upper cylinder sleeve and the lower cylinder sleeve are respectively provided with at least one pair of lugs; the hydraulic cylinder 9 is of a tubular structure with a through middle part; the upper cylinder sleeve 4 and the lower cylinder sleeve 10 are hermetically sleeved on the outer wall of the piston 1 and are distributed on two sides of the piston block, the hydraulic cylinder 9 is sleeved on the outer walls of the upper cylinder sleeve 4 and the lower cylinder sleeve 10 and is fixedly connected with the upper cylinder sleeve 4 and the lower cylinder sleeve 10, and is hermetically contacted with the upper cylinder sleeve 4, the lower cylinder sleeve 10 and the piston block 101, so that the piston 1, the piston block 101 and the hydraulic cylinder 9 respectively form an upper chamber 17 and a lower chamber 18 with the upper cylinder sleeve 4 and the lower cylinder sleeve 10, at least two liquid passing holes are arranged on the side wall of the hydraulic cylinder 9, and the liquid passing holes can be respectively communicated with the upper chamber 17 and the lower chamber 18, as shown in fig. 1, an upper liquid passing hole 13 and a lower liquid passing hole 14 are arranged on the side wall of the hydraulic cylinder 9 and are used for connecting a hydraulic pipeline, and the inflow and outflow of liquid can be realized;
the support rod is characterized by further comprising a support rod 3, one end of the support rod 3 is fixed on the base 12, and the other end of the support rod 3 penetrates through lugs of the upper cylinder sleeve 4 and the lower cylinder sleeve 10 respectively and limits the upper cylinder sleeve 4 and the lower cylinder sleeve 10 to move towards two sides of the support rod 3.
Specifically, in this embodiment, the hydraulic cylinder 9 is sleeved on the outer walls of the upper cylinder sleeve 4 and the lower cylinder sleeve 10 and is fixedly connected with the outer walls through a first set screw 6 and a second set screw 11, and two ends of the hydraulic cylinder are axially limited by the ear handle; the contact part of the support rod 3 and the second lug 10-1 of the lower cylinder sleeve 10 limits the lower cylinder sleeve 10 by forming a step structure; and a pressure cap 2 is fixedly arranged at one end of the support rod 3 extending out of the upper cylinder sleeve 4, and the pressure cap 2 realizes the limitation of the upper cylinder sleeve 4 through a first lug 4-1 axially limiting the upper cylinder sleeve 4.
It should be noted that the surfaces of the upper cylinder sleeve 4 and the lower cylinder sleeve 10, which are in contact with the hydraulic cylinder 9, are provided with recessed step structures 19, and the liquid passing holes in the side wall of the hydraulic cylinder 9 are opposite to the step structures 19 and are communicated with the upper chamber 17 and the lower chamber 18 through the step structures, so that the design is not only convenient for subsequent processing production, but also can prevent the liquid passing holes from being blocked by the piston block 101 when the piston 1 moves.
In the tool, a sealing system is formed by a plurality of axially symmetrical sets of the first sealing element 5, the second sealing element 7 and the third sealing element 8.
By way of example, in this embodiment, the base 12 is mounted on the drill floor, the collar-less collar band 15 is placed over the casing 16, hydraulic oil is pumped through the upper fluid port 13, into the upper chamber 17, forcing the piston 1 downward, and compressing the collar-less collar band 15, thereby securing the collar-less collar band 15 to the casing 16. After locking, the hydraulic pipeline valve is switched, hydraulic oil is pumped from the lower liquid passing hole 14, enters the lower chamber 18, returns to the upper chamber 17, and the piston 1 moves upwards to reset. The hydraulic pump and hydraulic line are conventional devices, the collar-free casing clamp 15 is a wedge-shaped clamp, the specific structure of which has been elucidated in the patent "a collar-free casing centralizer limiting clamp" filed on the same day.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (5)
1. The utility model provides a from locking-type non-coupling casing clamp mounting tool which characterized in that: comprises a piston (1), an upper cylinder sleeve (4), a lower cylinder sleeve (10), a hydraulic cylinder (9) and a base (12); the piston (1) is of a tubular structure, and a raised piston block (101) which is arranged annularly is integrally formed on the outer wall of the piston; the upper cylinder sleeve (4) and the lower cylinder sleeve (10) are both of tubular structures, and the outer walls of the upper cylinder sleeve and the lower cylinder sleeve are respectively provided with at least one pair of lugs; the hydraulic cylinder (9) is of a tubular structure with a through middle part; the upper cylinder sleeve (4) and the lower cylinder sleeve (10) are hermetically sleeved on the outer wall of the piston (1) and distributed on two sides of the piston block, the hydraulic cylinder (9) is sleeved on the outer walls of the upper cylinder sleeve (4) and the lower cylinder sleeve (10) and fixedly connected with the upper cylinder sleeve (4) and the lower cylinder sleeve (10), and is in sealing contact with the upper cylinder sleeve (4), the lower cylinder sleeve (10) and the piston block (101), so that the piston (1), the piston block (101) and the hydraulic cylinder (9) respectively form an upper chamber (17) and a lower chamber (18) with the upper cylinder sleeve (4) and the lower cylinder sleeve (10), at least two liquid passing holes are formed in the side wall of the hydraulic cylinder (9), and the liquid passing holes can be respectively communicated to the upper chamber (17) and the lower chamber (18);
the support rod is characterized by further comprising a support rod (3), one end of the support rod (3) is fixed on the base (12), the other end of the support rod penetrates through the ear handles of the upper cylinder sleeve (4) and the lower cylinder sleeve (10) respectively, and the upper cylinder sleeve (4) and the lower cylinder sleeve (10) are limited to move towards the two sides of the support rod (3).
2. The self-locking type tool for installing a casing collar without a coupling according to claim 1, wherein: the hydraulic cylinder (9) is sleeved on the outer walls of the upper cylinder sleeve (4) and the lower cylinder sleeve (10) and is fixedly connected with the outer walls, and two ends of the hydraulic cylinder are axially limited by the lug handles.
3. The self-locking type tool for installing a casing collar without a coupling according to claim 1, wherein: the lower cylinder sleeve (10) is limited at the contact position of the support rod (3) and the lug of the lower cylinder sleeve (10) through a step structure.
4. The self-locking type tool for installing a casing collar without a coupling according to claim 1, wherein: the supporting rod (3) extends out of one end of the upper cylinder sleeve (4) and is fixedly provided with a pressing cap (2), and the pressing cap (2) is limited by an ear handle of the upper cylinder sleeve (4) in the axial direction to limit the upper cylinder sleeve (4).
5. The self-locking type tool for installing a casing collar without a coupling according to claim 1, wherein: go up cylinder liner (4), lower cylinder liner (10) with be equipped with sunken stair structure on the face that hydraulic cylinder (9) contacted, it is just right to cross the liquid hole on hydraulic cylinder (9) lateral wall stair structure to communicate through stair structure go up cavity (17), lower cavity (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410941.4A CN112360361B (en) | 2020-12-03 | 2020-12-03 | Self-locking type non-coupling casing hoop installation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410941.4A CN112360361B (en) | 2020-12-03 | 2020-12-03 | Self-locking type non-coupling casing hoop installation tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112360361A CN112360361A (en) | 2021-02-12 |
| CN112360361B true CN112360361B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011410941.4A Active CN112360361B (en) | 2020-12-03 | 2020-12-03 | Self-locking type non-coupling casing hoop installation tool |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201120543Y (en) * | 2007-11-29 | 2008-09-24 | 长城汽车股份有限公司 | Mounting jig for support sleeve |
| CN104471181A (en) * | 2012-07-12 | 2015-03-25 | Ace石油工具公司 | Device arranged for attaching a mandrel on a tubular body |
| CN104712612A (en) * | 2013-12-16 | 2015-06-17 | 东营市福利德石油科技开发有限责任公司 | Long stroke hydraulic pressure test device |
| CN105729370A (en) * | 2016-04-08 | 2016-07-06 | 江苏新美星包装机械股份有限公司 | Installation mechanism used for installing inner sleeve in tubular heat exchanger |
| CN111663907A (en) * | 2020-06-16 | 2020-09-15 | 大庆市傲阳石油科技开发有限公司 | Heat-preservation type lining underground tubing coupling and installation method thereof |
| CN111963079A (en) * | 2020-10-21 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Fixing device for casing centralizer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9863235B2 (en) * | 2011-07-25 | 2018-01-09 | Robertson Intellectual Properties, LLC | Permanent or removable positioning apparatus and method for downhole tool operations |
| US10435961B2 (en) * | 2014-12-23 | 2019-10-08 | Halliburton Energy Services, Inc. | Securing mechanism for rotary assembly wear sleeves |
-
2020
- 2020-12-03 CN CN202011410941.4A patent/CN112360361B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201120543Y (en) * | 2007-11-29 | 2008-09-24 | 长城汽车股份有限公司 | Mounting jig for support sleeve |
| CN104471181A (en) * | 2012-07-12 | 2015-03-25 | Ace石油工具公司 | Device arranged for attaching a mandrel on a tubular body |
| CN104712612A (en) * | 2013-12-16 | 2015-06-17 | 东营市福利德石油科技开发有限责任公司 | Long stroke hydraulic pressure test device |
| CN105729370A (en) * | 2016-04-08 | 2016-07-06 | 江苏新美星包装机械股份有限公司 | Installation mechanism used for installing inner sleeve in tubular heat exchanger |
| CN111663907A (en) * | 2020-06-16 | 2020-09-15 | 大庆市傲阳石油科技开发有限公司 | Heat-preservation type lining underground tubing coupling and installation method thereof |
| CN111963079A (en) * | 2020-10-21 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Fixing device for casing centralizer |
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| Publication number | Publication date |
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| CN112360361A (en) | 2021-02-12 |
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