CN219795174U - Centralizer for petroleum exploitation - Google Patents
Centralizer for petroleum exploitation Download PDFInfo
- Publication number
- CN219795174U CN219795174U CN202223401288.2U CN202223401288U CN219795174U CN 219795174 U CN219795174 U CN 219795174U CN 202223401288 U CN202223401288 U CN 202223401288U CN 219795174 U CN219795174 U CN 219795174U
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- Prior art keywords
- arc
- centralizer
- shaped
- fixing
- centralizer part
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- 239000003208 petroleum Substances 0.000 title claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004391 petroleum recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a centralizer for petroleum exploitation, which comprises a plurality of first arc-shaped centralizer components, two second arc-shaped centralizer components and connecting arc-shaped centralizer components, wherein the first arc-shaped centralizer components, the two second arc-shaped centralizer components and the connecting arc-shaped centralizer components are distributed in an annular matrix. According to the utility model, under the interaction of the first arc centralizer component, the second arc centralizer component, the connecting arc centralizer component, the arc plugboard, the arc clamping groove, the fixing groove and the fixing device, the arc plugboard is clamped in the arc clamping groove so as to fix the plurality of first arc centralizer components and the two second arc centralizer components, and then the fixing device is used for fixing the connecting arc centralizer component and the two second arc centralizer components, so that the device is fixed on the outer side wall of the casing string.
Description
Technical Field
The utility model relates to the technical field of oil exploitation, in particular to a centralizer for oil exploitation.
Background
Centralizers are generally guiders, rigid and resilient centralizers that are installed on the outer surface of a casing to ensure that the running casing string is centered in the wellbore during drilling of a petroleum well.
When the centralizer that present oil was opened and is used, need establish the fixed cover of centralizer on the casing string lateral wall, when need lift off the centralizer, need break off two casing strings, just can take off the centralizer for the installation is more laborious and time consuming like this, and sometimes the too tight of centralizer cover, also can be difficult to take off.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the centralizer is time-consuming and labor-consuming to install and the sleeve is too tight to take off, and provides a centralizer for petroleum exploitation.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an oil development is with centralizer, is including being a plurality of first arc centralizer parts, two second arc centralizer parts that the annular matrix distributes and sets up and connect arc centralizer part, a plurality of first arc centralizer part lateral wall both sides and two second arc centralizer part lateral wall all fixed connection and offered arc picture peg and arc draw-in groove, wherein be located two arc picture peg and the arc draw-in groove on the same first arc centralizer part lateral wall and be central symmetry setting, adjacent on the same horizontal line arc picture peg lateral wall and arc draw-in groove inside wall sliding connection, two the fixed slot that two symmetry set up has all been offered to second arc centralizer part lateral wall, be equipped with the fixing device who lets two second arc centralizer parts fix on connecting the arc centralizer part.
Preferably, the fixing device comprises four fixing plates fixedly connected to the outer side wall of the connecting arc-shaped centralizer part, threaded holes are formed in the outer side wall of the fixing plates and the inner side wall of the fixing groove, the fixing plates are connected with the inner side wall of the fixing groove located on the second arc-shaped centralizer part in a sliding mode, and a fixing threaded bolt is connected to the inner side wall of the three threaded holes in a threaded mode on the same side.
Preferably, the first arced centralizer member, the second arced centralizer member and the connecting arced centralizer member are all the same in shape and size.
Preferably, the first arc-shaped centralizer component, the second arc-shaped centralizer component and the connecting arc-shaped centralizer component are provided with centralizer blocks protruding outwards in an arc shape.
Preferably, the first arc-shaped centralizer component, the second arc-shaped centralizer component and the inner side wall of the connecting arc-shaped centralizer component are fixedly connected with anti-slip strips.
The beneficial effects of the utility model are as follows:
under the interaction of the first arc centralizer component, the second arc centralizer component, the connecting arc centralizer component, the arc plugboard, the arc clamping groove, the fixing groove and the fixing device, the arc plugboard is clamped in the arc clamping groove so as to fix the first arc centralizer components and the two second arc centralizer components, and then the fixing device is used for fixing the connecting arc centralizer component and the two second arc centralizer components, so that the device is fixed on the outer side wall of the casing string.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of a centralizer for petroleum exploitation according to the present utility model;
FIG. 2 is a side view of a first arcuate centralizer member of a centralizer for petroleum recovery in accordance with the utility model;
fig. 3 is a top view of a centralizer for petroleum exploitation according to the utility model.
In the figure: 1. a first arcuate centralizer member; 2. a second arcuate centralizer member; 3. connecting an arc centralizer part; 4. arc plugboards; 5. an arc-shaped clamping groove; 6. a fixing groove; 7. a fixing plate; 8. a threaded hole; 9. a fixed threaded bolt; 10. centralizing blocks; 11. an anti-slip strip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 3, a centralizer for petroleum exploitation comprises a plurality of first arc-shaped centralizer parts 1, two second arc-shaped centralizer parts 2 and connecting arc-shaped centralizer parts 3 which are distributed in an annular matrix, wherein the shapes and the sizes of the first arc-shaped centralizer parts 1, the second arc-shaped centralizer parts 2 and the connecting arc-shaped centralizer parts 3 are the same, and the positions of the first arc-shaped centralizer parts 1, the second arc-shaped centralizer parts 2 and the connecting arc-shaped centralizer parts 3 are shown in a schematic diagram in fig. 3, and the inner diameters of the first arc-shaped centralizer parts 1, the second arc-shaped centralizer parts 2 and the connecting arc-shaped centralizer parts 3 are the same as the outer diameters of a casing string;
the first arc-shaped centralizer part 1, the second arc-shaped centralizer part 2 and the connecting arc-shaped centralizer part 3 are respectively provided with a centralizing block 10 protruding outwards in an arc shape, the inner side walls of the first arc-shaped centralizer part 1, the second arc-shaped centralizer part 2 and the connecting arc-shaped centralizer part 3 are respectively fixedly connected with an anti-slip strip 11, and the anti-slip strips 11 can prevent the device from slipping;
the two sides of the outer side wall of the plurality of first arc centralizer parts 1 and the outer side walls of the two second arc centralizer parts 2 are fixedly connected and provided with an arc plugboard 4 and an arc clamping groove 5, wherein the two arc plugboards 4 and the arc clamping grooves 5 which are positioned on the outer side wall of the same first arc centralizer part 1 are arranged in a central symmetry manner, the outer side walls of the adjacent arc plugboards 4 and the inner side walls of the arc clamping grooves 5 on the same horizontal line are in sliding connection, and the outer side walls of the two second arc centralizer parts 2 are provided with two symmetrically arranged fixing grooves 6;
the connecting arc centralizer part 3 is provided with a fixing device for fixing the two second arc centralizer parts 2, the fixing device comprises four fixing plates 7 fixedly connected to the outer side wall of the connecting arc centralizer part 3, threaded holes 8 are formed in the outer side wall of the fixing plates 7 and the inner side wall of the fixing groove 6, the fixing plates 7 on the same side are in sliding connection with the inner side wall of the fixing groove 6 located on the second arc centralizer part 2, and one fixing threaded bolt 9 is connected to the inner side wall of the three threaded holes 8 on the same side in a threaded mode.
Working principle: when the device is required to be installed on a casing string in petroleum exploitation equipment, the casing string is fixed in advance, a worker clamps two of the first arc-shaped centralizer parts 1 on the outer side wall of the casing string, the two first arc-shaped centralizer parts 1 are kept horizontally arranged, one of the first arc-shaped centralizer parts 1 is transversely moved, and an arc-shaped plugboard 4 on the first arc-shaped centralizer part 1 is inserted into a corresponding arc-shaped clamping groove 5 until the outer side walls of the two first arc-shaped centralizer parts 1 are contacted;
according to the process, all the first arc centralizer parts 1 are clamped on the outer side wall of the casing string, then the two second arc centralizer parts 2 are also buckled on the outer side wall of the casing string, and the arc plugboards 4 on the second arc centralizer parts 2 are inserted into the arc clamping grooves 5 on the outer side wall of one of the first arc centralizer parts 1 until the two second arc centralizer parts 2 are installed;
then the connecting arc centralizer part 3 is clamped between the two second arc centralizer parts 2, the fixing plate 7 slides into the inner side wall of the fixing groove 6, the fixing threaded bolt 9 is screwed into the threaded hole 8 on the fixing plate 7, the fixing threaded bolt 9 is screwed into the threaded holes 8 on the second arc centralizer parts 2 in sequence, and the connecting arc centralizer part 3 is fixed between the two second arc centralizer parts 2 by screwing into the threaded holes 8 on the fixing plate 7 positioned below, so that the device can be fixed on the outer side wall of the casing string.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a centralizer for oil exploitation, is including being a plurality of first arc centralizer part (1), two second arc centralizer parts (2) that the annular matrix distributes and set up and connecting arc centralizer part (3), its characterized in that, a plurality of first arc centralizer part (1) lateral wall both sides and two second arc centralizer part (2) lateral wall all fixed connection with set up arc picture peg (4) and arc draw-in groove (5), wherein be located two arc picture peg (4) and arc draw-in groove (5) on same first arc centralizer part (1) lateral wall and be central symmetry setting, adjacent on the same horizontal line arc picture peg (4) lateral wall and arc draw-in groove (5) inside wall sliding connection, two fixed slot (6) that two symmetry set up are all seted up to second arc centralizer part (2) lateral wall, be equipped with on connecting arc centralizer part (3) and let the fixed device of two second arc centralizer part (2) fix.
2. The centralizer for petroleum exploitation according to claim 1, wherein the fixing device comprises four fixing plates (7) fixedly connected to the outer side wall of the connecting arc-shaped centralizer part (3), threaded holes (8) are formed in the outer side wall of the fixing plates (7) and the inner side wall of the fixing groove (6), the fixing plates (7) are connected with the inner side wall of the fixing groove (6) located on the second arc-shaped centralizer part (2) in a sliding mode, and a fixing threaded bolt (9) is connected with the inner side wall threads of the three threaded holes (8) on the same side.
3. A centralizer for oil exploitation according to claim 1, characterised in that the first arc-shaped centralizer part (1), the second arc-shaped centralizer part (2) and the connecting arc-shaped centralizer part (3) are all of the same shape and size.
4. A centralizer for oil exploitation according to claim 1, characterized in that the first arc-shaped centralizer part (1), the second arc-shaped centralizer part (2) and the connecting arc-shaped centralizer part (3) are provided with centralizing blocks (10) protruding outwards in an arc shape.
5. The centralizer for petroleum exploitation according to claim 1, wherein the inner side walls of the first arc-shaped centralizer part (1), the second arc-shaped centralizer part (2) and the connecting arc-shaped centralizer part (3) are fixedly connected with anti-slip strips (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223401288.2U CN219795174U (en) | 2022-12-19 | 2022-12-19 | Centralizer for petroleum exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223401288.2U CN219795174U (en) | 2022-12-19 | 2022-12-19 | Centralizer for petroleum exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795174U true CN219795174U (en) | 2023-10-03 |
Family
ID=88158131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223401288.2U Active CN219795174U (en) | 2022-12-19 | 2022-12-19 | Centralizer for petroleum exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795174U (en) |
-
2022
- 2022-12-19 CN CN202223401288.2U patent/CN219795174U/en active Active
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