CN211692390U

CN211692390U - Packer for oil field oil testing

Info

Publication number: CN211692390U
Application number: CN202020395465.2U
Authority: CN
Inventors: 闫保安; 任考臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-16
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an oil field is packer for oil testing, including the packer body, the packer body includes the center tube, and the top of center tube is equipped with the stack shell, the bottom fixed mounting of stack shell has the annular shape board, and the annular groove has been seted up on the top of center tube, and the bottom of annular shape board extends to the annular inslot, and the bottom fixed mounting of stack shell has first sealing washer, and the bottom of first sealing washer contacts with the top activity of center tube, and the outside of first sealing washer contacts with the inboard of annular shape board, is equipped with fixed pipe in the stack shell, and the one end of fixed pipe extends to outside the stack shell. The utility model discloses simple structure, convenient operation is convenient for use elasticity not enough for a long time at first sealing washer and extrude the messenger laminating more inseparabler to first sealing washer when becoming flexible according to the leakproofness that actual improvement center tube and stack shell are connected, guarantees the leakproofness, and is convenient for fix center tube and stack shell, is favorable to the use.

Description

Packer for oil field oil testing

Technical Field

The utility model relates to a packer technical field especially relates to an oil field is packer for oil testing.

Background

The packer is provided with an elastic sealing element, and thereby annular spaces between pipe columns with various sizes and between well bores and between the pipe columns are sealed, and a production layer is isolated, so as to control production (injection) liquid, a downhole tool of the protective sleeve is provided, and an oil field oil testing plugging packer is provided with a retrieval authorization notice number CN209724284U, and comprises a central pipe, wherein a rubber barrel base is arranged at the top of the central pipe through a connecting block, a first fixing flange is arranged at the joint of the central pipe and the rubber barrel base through a bolt, a lower rubber barrel base is arranged at the bottom of the central pipe through a fixing base, an air pressure hole is formed in the periphery of the lower rubber barrel base, a pushing rod is arranged in the lower rubber barrel base, a lower bolt connection joint is formed at the bottom of the pushing rod, an inner pipe is sleeved in the central pipe, asbestos fiber particles are filled between the inner pipe and the central pipe, a rubber plug is arranged at the inner bottom, the design is scientific, the operation is convenient, the stability is good, the reliability is high, and the method is suitable for wide popularization.

However, the above patents still have certain deficiencies, the central tube and the upper rubber tube seat are fixedly connected through the flange and the bolt, when the packer is used for a long time, the bolt is easy to loosen, so that the sealing performance is reduced, the oil leakage phenomenon is easy to occur, and the using requirement cannot be met, so that the packer for oil testing in the oil field is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the packer for oil field oil testing that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a packer for oil testing in an oil field comprises a packer body, wherein the packer body comprises a central tube, a barrel seat is arranged above the central tube, a circular ring plate is fixedly arranged at the bottom end of the barrel seat, an annular groove is formed in the top end of the central tube, the bottom of the circular ring plate extends into the annular groove, a first sealing ring is fixedly arranged at the bottom end of the barrel seat, the bottom of the first sealing ring is movably contacted with the top end of the central tube, the outer side of the first sealing ring is contacted with the inner side of the circular ring plate, a fixed tube is arranged in the barrel seat, one end of the fixed tube extends out of the barrel seat, a cross rod is fixedly arranged on the inner wall of one side of the barrel seat, an L-shaped rod is sleeved on the cross rod in a sliding mode, one end of the L-shaped rod penetrates through the fixed tube and extends out of the fixed tube, the fixed tube is sleeved on the L, first spring movable sleeve is established on the horizontal pole, the bottom of L shape pole extends to in the center tube, one side bottom of L shape pole is equipped with the connecting block, one side fixed mounting that the connecting block is close to L shape pole has the carriage release lever, a plurality of triangular grooves have been seted up on one side inner wall of center tube, the bottom inner wall of triangular groove sets up to the inclined plane, the top inner wall that lies in the triangular groove of the top in a plurality of triangular grooves sets up to the opening, the one end that the connecting block was kept away from to the carriage release lever extends to in a triangular groove of a plurality of triangular grooves and fixed mounting has three hornblocks, the bottom of three hornblocks sets up to the inclined plane, the bottom and the top of three hornblocks respectively with the bottom inner wall and the top inner wall movable contact of a triangular groove, fixed mounting has same second spring between one side bottom of L shape pole and the connecting block is.

Preferably, a first rectangular hole is formed in the inner wall of one side of the L-shaped rod, and the inner wall of the first rectangular hole is in sliding connection with the outer side of the moving rod.

Preferably, a second rectangular hole is formed in the inner wall of one side of the L-shaped rod, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the cross rod.

Preferably, the outer side of the circular ring-shaped plate is movably contacted with the inner wall of the circular ring-shaped groove.

Preferably, the fixed cover in the fixed pipe is equipped with the second sealing washer, the inner wall of second sealing washer and the outside sliding connection of L shape pole.

Preferably, a circular hole is formed in the inner wall of the other side of the cylinder seat, and the inner wall of the circular hole is fixedly connected with the outer side of the fixed pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

when the sealing device is used, the cylinder base is separated from the central pipe, the cylinder base and the central pipe are required to be hermetically communicated and fixed, the circular ring plate is aligned with the circular ring groove, the pressing block is held and the cylinder base is moved downwards, the cylinder base drives the circular ring plate to move into the circular ring groove, the cylinder base drives the bottom of the sealing ring to be contacted with the top end of the central pipe, the cylinder base is moved downwards to enable the bottom of the triangular block to extrude the inner wall of the bottom of the triangular groove positioned at the top, the triangular block drives the connecting block to move rightwards through the moving rod and the second spring to compress, and when the triangular block is aligned with another triangular groove in the plurality of triangular grooves, second spring force resets and makes the triangle piece remove to a triangular groove in, make the cylinder base fixed, when first sealing washer uses the not enough not hard up phenomenon of elasticity to appear for a long time, continue to move the cylinder base downwards with the reason, the cylinder base extrudees first sealing washer, make the triangle piece extrude the inclined plane of a triangular groove, move right with the reason and make the connecting block stretch second spring, when three triangle pieces and another triangular groove align, second spring force resets and makes the triangle piece remove to another triangular groove in, make the cylinder base fixed, when needs are with center tube and cylinder base separation, press right and move the pressing block and make triangle piece and a triangular groove phase separation, upward move the cylinder base and drive first sealing washer rebound immediately, thereby make first sealing washer and center tube phase separation.

The utility model discloses simple structure, convenient operation is convenient for use elasticity not enough for a long time at first sealing washer and extrude the messenger laminating more inseparabler to first sealing washer when becoming flexible according to the leakproofness that actual improvement center tube and stack shell are connected, guarantees the leakproofness, and is convenient for fix center tube and stack shell, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a packer for oil testing in an oil field according to the present invention;

FIG. 2 is a schematic cross-sectional view of portion A of FIG. 1;

fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.

In the figure: the sealing device comprises a central tube 1, a barrel seat 2, a circular ring plate 3, a circular ring groove 4, a first sealing ring 5, a fixed tube 6, a cross rod 7, an L-shaped rod 8, a first spring 9, a pressing block 10, a connecting block 11, a moving rod 12, a triangular groove 13, a second spring 14, a triangular block 15 and a second sealing ring 16.

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.

Referring to fig. 1-3, a packer for oil testing in oil field comprises a packer body, the packer body comprises a central tube 1, a base 2 is arranged above the central tube 1, a circular ring-shaped plate 3 is fixedly arranged at the bottom end of the base 2, a circular ring-shaped groove 4 is arranged at the top end of the central tube 1, the bottom of the circular ring-shaped plate 3 extends into the circular ring-shaped groove 4, a first sealing ring 5 is fixedly arranged at the bottom end of the base 2, the bottom of the first sealing ring 5 is movably contacted with the top end of the central tube 1, the outer side of the first sealing ring 5 is contacted with the inner side of the circular ring-shaped plate 3, a fixed tube 6 is arranged in the base 2, one end of the fixed tube 6 extends out of the base 2, a cross rod 7 is fixedly arranged on the inner wall of one side of the base 2, an L-shaped rod 8 is slidably sleeved on the cross rod 7, one end of the L-shaped rod, one side of the L-shaped rod 8 and one side of the inner wall of the cylinder base 2 are fixedly provided with a same first spring 9, the first spring 9 is movably sleeved on the cross rod 7, the bottom end of the L-shaped rod 8 extends into the central tube 1, one side of the L-shaped rod 8 is provided with a connecting block 11, one side of the connecting block 11 close to the L-shaped rod 8 is fixedly provided with a moving rod 12, one side of the inner wall of the central tube 1 is provided with a plurality of triangular grooves 13, the bottom inner wall of the triangular groove 13 is an inclined plane, the top inner wall of the uppermost triangular groove 13 in the triangular grooves 13 is an opening, one end of the moving rod 12 far away from the connecting block 11 extends into one triangular groove 13 in the triangular grooves 13 and is fixedly provided with a triangular block 15, the bottom of the triangular block 15 is an inclined plane, and the bottom and the top of the triangular block 15 are respectively in movable contact with the, one side bottom and the connecting block 11 of L shape pole 8 are close to between one side of L shape pole 8 fixed mounting have same second spring 14, and the movable sleeve of second spring 14 is established on carriage release lever 12, the utility model discloses simple structure, convenient operation is convenient for extrude messenger's laminating inseparabler to first sealing washer 5 when becoming flexible according to actually improving the leakproofness that center tube 1 and barrel holder 2 are connected, is convenient for use elasticity is not enough for a long time at first sealing washer 5, guarantees the leakproofness, and is convenient for fix center tube 1 and barrel holder 2, is favorable to using.

In the utility model, a first rectangular hole is arranged on the inner wall of one side of the L-shaped rod 8, the inner wall of the first rectangular hole is connected with the outer side of the movable rod 12 in a sliding way, a second rectangular hole is arranged on the inner wall of one side of the L-shaped rod 8, the inner wall of the second rectangular hole is connected with the outer side of the cross rod 7 in a sliding way, the outer side of the circular ring plate 3 is movably contacted with the inner wall of the circular ring groove 4, a second sealing ring 16 is fixedly sleeved in the fixed tube 6, the inner wall of the second sealing ring 16 is connected with the outer side of the L-shaped rod 8 in a sliding way, a circular hole is arranged on the inner wall of the other side of the cylinder base 2, and the inner wall of the circular hole is fixedly connected with the outer side of the fixed tube 6, the utility model has simple structure and convenient operation, is convenient for extruding the first sealing ring 5 to make the lamination more compact when the, guarantee the leakproofness, and be convenient for fix center tube 1 and cylinder seat 2, be favorable to using.

The working principle is as follows: when the device is used, the cylinder base 2 is separated from the central tube 1 at the moment, when the cylinder base 2 and the central tube 1 need to be hermetically communicated and fixed, the circular ring-shaped plate 3 is aligned with the circular ring-shaped groove 4, the pressing block 10 is held to fix the L-shaped rod 8, the cylinder base 2 is moved downwards at the same time, the cylinder base 2 drives the circular ring-shaped plate 3 to move downwards, the circular ring-shaped plate 3 moves into the circular ring-shaped groove 4, the cylinder base 2 drives the sealing ring 5 to move, the bottom of the sealing ring 5 is contacted with the top end of the central tube 1, the cylinder base 2 drives the cross rod 7 to move downwards, the cross rod 7 drives the L-shaped rod 8 to move downwards, the L-shaped rod 8 drives the moving rod 12 to move downwards, the moving rod 12 drives the triangular block 15 to move downwards, when the bottom of the triangular block 15 is contacted with the inner wall of the bottom of the uppermost triangular groove 13 in the plurality of the triangular grooves 13, the cylinder base 2 continues to move downwards, so, under the action of extrusion force, the triangular block 15 moves rightwards, the triangular block 15 drives the moving rod 12 to move rightwards, the moving rod 12 drives the connecting block 11 to move rightwards, the second spring 14 in a stretching state resets when the connecting block 11 is compressed in the moving process, the triangular block 15 is aligned with another triangular groove 13 in the plurality of triangular grooves 13, the elastic force of the second spring 14 drives the moving rod 12 to move, the moving rod 12 drives the triangular block 15 to move, and the triangular block 15 moves into another triangular groove 13 in the plurality of triangular grooves 13, so that the barrel base 2 is fixed;

when the first sealing ring 5 is used for a long time and the elasticity is insufficient and loosened, the cylinder base 2 continues to move downwards in the same way, the cylinder base 2 extrudes the first sealing ring 5 to improve the fitting degree, so that the triangular block 15 extrudes the inclined surface of one triangular groove 13, the triangular block 15 moves rightwards under the action of extrusion force, the triangular block 15 drives the connecting block 11 to move through the moving rod 12, the connecting block 11 stretches the second spring 14 in the moving process, when the triangular block 15 is aligned with the other triangular groove 13, the second spring 14 in the stretching state resets at the moment, the elasticity of the second spring 14 drives the moving rod 12 to move, the moving rod 12 drives the triangular block 15 to move, and the triangular block 15 moves into the other triangular groove 13, so that the cylinder base 2 is fixed;

when needs are with

center tube

1 and 2 separations of bobbin base, press right and press pressing block 10, pressing block 10 drives L shape pole 8 and removes, L shape pole 8 drives connecting block 11 through second spring 14 and removes, connecting block 11 drives carriage release lever 12 and removes, carriage release lever 12 drives three hornblocks 15 and removes, three hornblocks 15 and a triangular groove 13 phase separation, upward movement bobbin base 2 immediately, thereby make carriage release lever 12 rebound, carriage release lever 12 drives three hornblocks 15 and upwards removes, bobbin base 2 drives first sealing washer 5 rebound, thereby make first sealing washer 5 and center tube 1 phase separation.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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

1. The packer for oil testing in the oil field comprises a packer body, wherein the packer body comprises a central tube (1), a barrel seat (2) is arranged above the central tube (1), and the packer is characterized in that a circular ring plate (3) is fixedly arranged at the bottom end of the barrel seat (2), a circular ring groove (4) is formed in the top end of the central tube (1), the bottom of the circular ring plate (3) extends into the circular ring groove (4), a first sealing ring (5) is fixedly arranged at the bottom end of the barrel seat (2), the bottom of the first sealing ring (5) is in movable contact with the top end of the central tube (1), the outer side of the first sealing ring (5) is in contact with the inner side of the circular ring plate (3), a fixing tube (6) is arranged in the barrel seat (2), one end of the fixing tube (6) extends out of the barrel seat (2), a cross rod (7) is fixedly arranged on the inner wall of one side of the barrel seat (2), and an L-, the one end of L shape pole (8) runs through fixed pipe (6) and extends to outside fixed pipe (6), and fixed pipe (6) seal sliding sleeve establishes on L shape pole (8), and fixed mounting has same first spring (9) between one side of L shape pole (8) and one side inner wall of cylinder base (2), and first spring (9) movable sleeve establishes on horizontal pole (7), the bottom of L shape pole (8) extends to in center tube (1), and one side bottom of L shape pole (8) is equipped with connecting block (11), and one side fixed mounting that connecting block (11) are close to L shape pole (8) has carriage release lever (12), has seted up a plurality of three angular grooves (13) on one side inner wall of center tube (1), and the bottom inner wall of three angular grooves (13) sets up to the inclined plane, and the top inner wall that lies in one three angular grooves (13) of the top in a plurality of three angular grooves (13) sets up to the opening, and the one end that connecting block (11) were kept away from to in a plurality of three angular grooves (13 (13) Interior and fixed mounting has triangle piece (15), and the bottom of triangle piece (15) sets up to the inclined plane, the bottom and the top of triangle piece (15) respectively with the bottom inner wall and the top inner wall movable contact of a triangular groove (13), and fixed mounting has same second spring (14) between one side of L shape pole (8) is close to one side of L shape pole (8) in one side bottom and connecting block (11), and second spring (14) movable sleeve is established on carriage release lever (12).

2. The packer for oil testing in the oil field as claimed in claim 1, wherein a first rectangular hole is formed in an inner wall of one side of the L-shaped rod (8), and the inner wall of the first rectangular hole is slidably connected with the outer side of the movable rod (12).

3. The packer for oil testing in the oil field as claimed in claim 1, wherein a second rectangular hole is formed in an inner wall of one side of the L-shaped rod (8), and the inner wall of the second rectangular hole is slidably connected with the outer side of the cross rod (7).

4. The packer for oil testing in the oil field according to claim 1, wherein the outer side of the circular annular plate (3) is in movable contact with the inner wall of the circular annular groove (4).

5. The packer for oil testing in the oil field as claimed in claim 1, wherein a second sealing ring (16) is fixedly sleeved in the fixed pipe (6), and the inner wall of the second sealing ring (16) is in sliding connection with the outer side of the L-shaped rod (8).

6. The packer for oil testing in the oil field as claimed in claim 1, wherein a circular hole is formed in the inner wall of the other side of the cylinder base (2), and the inner wall of the circular hole is fixedly connected with the outer side of the fixed pipe (6).