CN214836153U - Wear-resistant acid-resistant oil well casing - Google Patents
Wear-resistant acid-resistant oil well casing Download PDFInfo
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- CN214836153U CN214836153U CN202120716160.1U CN202120716160U CN214836153U CN 214836153 U CN214836153 U CN 214836153U CN 202120716160 U CN202120716160 U CN 202120716160U CN 214836153 U CN214836153 U CN 214836153U
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- sleeve
- oil well
- wear
- sleeve pipe
- resistant
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Abstract
The utility model discloses a wear-resisting acidproof oil well sleeve pipe, including first sleeve pipe and second sleeve pipe, still include: the outer wall of the first sleeve side is movably connected with the inner cavity of the fixing sleeve, and the outer wall of the second sleeve side is fixedly connected with the inner cavity of the connecting sleeve. The utility model discloses in, to fix the cover and be connected with the outer table wall block of first sleeve pipe one side, with adapter sleeve and the outer table wall fixed connection of second sleeve pipe one side, when carrying out the butt joint of oil well sleeve pipe, will press down and peg graft locating piece and second spout according to the briquetting, slider and first spout sliding connection this moment, prevent fixed cover self deflection, the butt joint finishes the back, press the briquetting to receive the spring action of pressing down the spring and be connected with the locating hole buckle, first sleeve pipe and second sleeve pipe are fixed this moment, the dismouting of being convenient for, and then work efficiency has been improved, thereby wear-resisting acidproof oil well sheathed tube result of use has been improved.
Description
Technical Field
The utility model relates to an oil well casing technical field especially relates to a wear-resisting acidproof oil well casing.
Background
The casing pipe has extremely important functions in oil exploitation as a downhole pipe, and has the main functions of sealing and isolating oil, gas and water layers, preventing stratum collapse, protecting well walls and providing a safety channel for oil and gas production.
At present, current wear-resisting acidproof oil well casing still has the weak point, and current oil well casing mostly need through docking with the help of other connecting pieces, when installing and dismantling, need consume a large amount of time, and then has reduced work efficiency to the result of use of wear-resisting acidproof oil well casing has been reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, a wear-resistant and acid-resistant oil well casing is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wear and acid resistant oil well casing comprising a first casing and a second casing, further comprising:
fixed cover and adapter sleeve, fixed cover inner chamber and first sleeve one side outside table wall swing joint, adapter sleeve inner chamber and second sleeve one side outside table wall fixed connection, the cavity has been seted up to fixed cover inner chamber, the locating hole has all been seted up to terminal surface around the fixed cover, the second spout has all been seted up to the terminal surface around the cavity, the equal fixedly connected with locating piece of terminal surface around the adapter sleeve, it is two sets of the terminal surface has the pressure piece through the spring elastic connection that presses of pressing of inner chamber fixed mounting respectively around the locating piece, table wall and cavity inner chamber sliding connection in the adapter sleeve, press piece one side and locating hole buckle and be connected.
As a further description of the above technical solution:
the inner cavity of the fixed sleeve is connected with the outer surface wall of one side of the first sleeve in a clamping way.
As a further description of the above technical solution:
the front end face and the rear end face of the inner cavity of the connecting sleeve are fixedly connected with sliding blocks, and the sliding blocks are in sliding connection with the front end face and the rear end face of the inner cavity through first sliding grooves which are horizontally formed.
As a further description of the above technical solution:
one side of the pressing block is of an arc structure.
As a further description of the above technical solution:
the two groups of positioning blocks are symmetrically distributed on the outer surface wall of the connecting sleeve.
As a further description of the above technical solution:
and the outer surface walls of the first sleeve and the second sleeve are coated with anticorrosive coatings.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, to fix the cover and be connected with the outer table wall block of first sleeve pipe one side, with adapter sleeve and the outer table wall fixed connection of second sleeve pipe one side, when carrying out the butt joint of oil well sleeve pipe, will press down and peg graft locating piece and second spout according to the briquetting, slider and first spout sliding connection this moment, prevent fixed cover self deflection, the butt joint finishes the back, press the briquetting to receive the spring action of pressing down the spring and be connected with the locating hole buckle, first sleeve pipe and second sleeve pipe are fixed this moment, the dismouting of being convenient for, and then work efficiency has been improved, thereby wear-resisting acidproof oil well sheathed tube result of use has been improved.
Drawings
Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a slider provided according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a docking provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a first sleeve; 2. a second sleeve; 3. fixing a sleeve; 4. a cavity; 5. connecting sleeves; 6. a first chute; 7. a second chute; 8. positioning holes; 9. positioning blocks; 10. a pressing block; 11. a pressing spring; 12. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a wear and acid resistant oil well casing comprising a first casing 1 and a second casing 2, further comprising:
fixed cover 3 and adapter sleeve 5, fixed 3 inner chambers of cover and 1 one side exterior wall swing joint of first sleeve, 5 inner chambers of adapter sleeve and 2 one side exterior wall fixed connection of second sleeve, cavity 4 has been seted up to fixed 3 inner chambers of cover, locating hole 8 has all been seted up to terminal surface around fixed cover 3, second spout 7 has all been seted up to the rear end face before 4 of cavity, the equal fixedly connected with locating piece 9 of terminal surface around the adapter sleeve 5, the terminal surface has through 11 elastic connection of the pressure spring of inner chamber fixed mounting respectively around two sets of locating pieces 9 and presses briquetting 10, 5 interior table wall and 4 inner chamber sliding connection of cavity press briquetting, press briquetting 10 one side and 8 buckle connections of locating hole.
Specifically, as shown in fig. 1, the inner cavity of the fixing sleeve 3 is connected with the outer surface wall of one side of the first sleeve 1 in a snap-fit manner, so that the connecting sleeve 5 is conveniently butted with the fixing sleeve 3.
Specifically, as shown in fig. 2, the front and rear end faces of the inner cavity of the connecting sleeve 5 are fixedly connected with sliding blocks 12, and the sliding blocks 12 are connected with the front and rear end faces of the inner cavity in a sliding manner through first sliding grooves 6 horizontally arranged, so that the fixed sleeve 3 is prevented from self-deflection.
Specifically, as shown in fig. 1, one side of the pressing block 10 is in an arc-shaped structure, so that the friction force between the pressing block 10 and the second sliding chute 7 is reduced.
Specifically, as shown in fig. 1, two sets of positioning blocks 9 are symmetrically distributed on the outer surface wall of the connecting sleeve 5, so that the fixed sleeve 3 and the connecting sleeve 5 are stressed uniformly when being butted.
Specifically, as shown in fig. 3, the outer walls of the first casing 1 and the second casing 2 are coated with an anti-corrosion coating to prevent the outer walls of the first casing 1 and the second casing 2 from being corroded.
The working principle is as follows: during the use, with fixed cover 3 and 1 one side exterior wall snap-fit connection of first sleeve pipe, with adapter sleeve 5 and 2 one side exterior wall fixed connection of second sleeve pipe, when carrying out the oil well sleeve pipe butt joint, will press down and peg graft locating piece 9 and second spout 7 according to briquetting 10, slider 12 and 6 sliding connection of first spout this moment, prevent fixed cover 3 self deflection, after the butt joint finishes, press briquetting 10 to receive the elastic force effect and the 8 buckle of locating hole of pressing spring 11 and be connected, first sleeve pipe 1 is fixed with second sleeve pipe 2 this moment, the dismouting of being convenient for, and then work efficiency has been improved, thereby wear-resisting acid-resistant oil well sheathed tube result of use has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a wear-resisting acidproof oil well casing, includes first sleeve and second sleeve, its characterized in that still includes:
fixed cover and adapter sleeve, fixed cover inner chamber and first sleeve one side outside table wall swing joint, adapter sleeve inner chamber and second sleeve one side outside table wall fixed connection, the cavity has been seted up to fixed cover inner chamber, the locating hole has all been seted up to terminal surface around the fixed cover, the second spout has all been seted up to the terminal surface around the cavity, the equal fixedly connected with locating piece of terminal surface around the adapter sleeve, it is two sets of the terminal surface has the pressure piece through the spring elastic connection that presses of pressing of inner chamber fixed mounting respectively around the locating piece, table wall and cavity inner chamber sliding connection in the adapter sleeve, press piece one side and locating hole buckle and be connected.
2. A wear and acid resistant oil well casing as claimed in claim 1, wherein said sleeve cavity is snap fit into engagement with an outer surface wall of one side of said first casing.
3. The wear-resistant acid-resistant oil well casing pipe as claimed in claim 1, wherein the front and rear end surfaces of the inner cavity of the connecting sleeve are fixedly connected with sliding blocks, and the sliding blocks are slidably connected with the front and rear end surfaces of the inner cavity through first sliding grooves which are horizontally formed.
4. The wear-resistant acid-resistant oil well casing pipe according to claim 1, wherein one side of the pressing block is in an arc structure.
5. A wear-resistant acid-resistant oil well casing according to claim 1, wherein the two sets of positioning blocks are symmetrically distributed on the outer surface wall of the connecting sleeve.
6. A wear and acid resistant oil well casing according to claim 1, wherein the outer surface walls of the first and second casings are coated with a corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120716160.1U CN214836153U (en) | 2021-04-09 | 2021-04-09 | Wear-resistant acid-resistant oil well casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120716160.1U CN214836153U (en) | 2021-04-09 | 2021-04-09 | Wear-resistant acid-resistant oil well casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836153U true CN214836153U (en) | 2021-11-23 |
Family
ID=78762733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120716160.1U Active CN214836153U (en) | 2021-04-09 | 2021-04-09 | Wear-resistant acid-resistant oil well casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836153U (en) |
-
2021
- 2021-04-09 CN CN202120716160.1U patent/CN214836153U/en active Active
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