CN219452056U - Mechanical blocking packer with adjustable underground any position - Google Patents

Abstract

The utility model relates to the technical field of packers, in particular to an underground mechanical blocking packer with adjustable arbitrary positions, which comprises a packer central tube, wherein a connecting block is fixedly connected to the left end face of the packer central tube, a rubber blocking ring is fixedly connected to the outer side of the middle of the packer central tube, a limiting baffle and a fixing ring are fixedly connected to the outer side of the right of the packer central tube, a sphere is slidingly connected to the inner side of the fixing ring, and a connecting rod is fixedly connected to the top end of the outer side of the sphere; according to the utility model, through the fixed ring, the rotating piece, the ball body and the rotating piece, the device can effectively prevent the slipping between the clamping block and the well wall in the rightward moving and extruding process of the central tube of the packer, and can effectively improve the success rate of successful packer installation, so that the problem that slipping between the clamping block and the well wall is easy to occur when the packer is installed and adjusted to be positioned and rotated is solved, and the device is very practical.

Description

Mechanical blocking packer with adjustable underground any position

Technical Field

The utility model relates to the technical field of packers, in particular to a mechanical blocking packer with an adjustable underground any position.

Background

The packer refers to a downhole tool connected to a downhole tubular column and used for sealing the annular space between the oil and gas well casing or the open hole wall, when the annular space between the oil and gas well casing or the open hole wall is required to be sealed, the packer is connected to the downhole tubular column, after the oil and gas well casing or the open hole wall is lowered to a designed depth, the packer on the packer is inflated to seal the annular space of the oil and gas well casing by means of hydraulic driving and the like, different types of packers are started and unsealed, the hydraulic expanding packer is lowered to the designed depth, the hydraulic expanding packer pressurizes from the inside of the oil pipe, high-pressure liquid acts on the inner cavity of the rubber cylinder through pressure transmission holes in the packer, under the action of throttling pressure difference, the rubber cylinder is inflated to seal the annular space of the oil and gas casing, when the oil pressure is released, the rubber cylinder is retracted to be in an original state by the rebound force of the rubber cylinder after the oil pressure is balanced, the compression packer is lowered to the designed depth, from the internal pressurization of oil pipe, high-pressure liquid acts on piston mechanism through the inside biography pressure hole of packer, under the throttle differential pressure effect, compression packing element takes place to expand and pack oil removal sleeve annular space, after oil pressure release, oil jacket pressure balance back, the packing element is by self resilience force to resume the original form and is realized deblocking, but the in-process that the packer on the market was placed and is fixed a position in the pit just relies on the frictional force between fixture block and the wall of a well to push down the extrusion piece and make the fixture block strut, need let the packer adjust and fix a position through rotating, but fixture block and packer center tube are fixed connection, the center tube is rotatory then can let the fixture block rotate, let the condition of skidding appear between fixture block and the wall of a well easily, the success rate of packer installation is not high, consequently, proposes an adjustable mechanical jam packer of optional position in the pit to above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a mechanical blocking packer with adjustable underground any position, which can solve the problem that slipping between a clamping block and a well wall is easy to occur when the packer is adjusted and positioned and rotated during installation.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an adjustable mechanical jam packer in optional position in pit, includes the packer center tube, packer center tube left end face fixedly connected with connecting block, the outside fixedly connected with rubber spacer ring in the middle of the packer center tube, spacing baffle of the outside fixedly connected with in packer center tube right side and solid fixed ring, the inside inboard sliding connection of solid fixed ring has the spheroid, spheroid outside top fixedly connected with connecting rod, connecting rod outside top fixedly connected with rotor, rotor outside fixedly connected with fixture block.

Preferably, the inside outside of solid fixed ring and connecting rod sliding connection, the both sides and the spacing baffle sliding connection of rotor piece, the terminal surface block has the ball under the rotor piece, the ball below contacts with solid fixed ring.

Preferably, the number of the limiting partition plates is 2, the limiting partition plates are arranged on the right outer side of the central pipe of the packer, the distance between the limiting partition plates is the same as the width of the fixed ring, and the height of the limiting partition plates is the same as the sum of the thickness of the fixed ring and the thickness of the rotating piece.

Preferably, the inside of the fixed ring is in a hollow state, the outside of the fixed ring is provided with an annular groove, and the width of the annular groove at the outside of the fixed ring is the same as the diameter of the cross section of the connecting rod.

Preferably, the diameter of the cross section of the sphere is 1.5 times larger than that of the cross section of the connecting rod, the number of the clamping blocks is 2, the clamping blocks are distributed on the upper side and the lower side of the right outer side of the central tube of the packer, and the number of the rotating pieces is the same as that of the clamping blocks.

Preferably, the cross section shape of the rotating plate is quarter round, the number of balls on the inner side of the rotating plate is 4, the balls are distributed at four corners on the inner side of the rotating plate, ball sliding grooves are formed in the left side and the right side of the outer side of the fixed ring, and the width of each ball sliding groove on the outer side of the fixed ring is identical to the diameter of the cross section of each ball.

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

according to the utility model, through the fixed ring, the rotating piece, the ball body and the rotating piece, the device can effectively prevent the situation of slipping between the clamping block and the well wall in the process of rightward moving and extrusion of the central tube of the packer, and can effectively improve the success rate of packer installation, so that the problem that slipping between the clamping block and the well wall easily occurs when the packer is installed and positioned in an adjusting manner and rotated manner is solved, and through the ball body, the device can improve the smoothness of the fixed ring when the inner side of the rotating piece slides, reduce friction resistance between the central tube of the packer and the clamping block, improve the efficiency of adjusting and positioning of the central tube of the packer, and is very practical.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a spacing spacer of the present utility model;

FIG. 3 is a schematic cross-sectional side view of a sphere according to the present utility model;

FIG. 4 is a schematic perspective view of a retaining ring according to the present utility model;

fig. 5 is a schematic perspective view of a rotary plate according to the present utility model.

In the figure: 1-packer center tube, 2-connecting block, 3-rubber spacer ring, 4-spacing baffle, 5-fixed ring, 6-rotor, 7-fixture block, 8-spout, 9-connecting rod, 10-spheroid, 11-ball.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

the mechanical blocking packer with adjustable underground any position comprises a packer central tube 1, a connecting block 2 is fixedly connected to the left end face of the packer central tube 1, a rubber blocking ring 3 is fixedly connected to the outer side of the middle of the packer central tube 1, a limiting partition plate 4 and a fixing ring 5 are fixedly connected to the outer side of the right of the packer central tube 1, a ball 10 is slidably connected to the inner side of the fixing ring 5, a connecting rod 9 is fixedly connected to the top end of the outer side of the ball 10, a rotating plate 6 is fixedly connected to the outer side of the rotating plate 6, a clamping block 7 is fixedly connected to the outer side of the inner side of the fixing ring 5, the outer side of the fixing ring 5 is slidably connected with the connecting rod 9, the left side and right sides of the rotating plate 6 are slidably connected with the limiting partition plate 4, balls 11 are clamped on the lower end face of the rotating plate 6, the balls 11 are in contact with the fixing ring 5, the number of the limiting partition plates 4 is 2 through the fixing ring 5, the rotating plate 6, the ball 10 and the rotating plate 6, the spacing baffle plates 4 are arranged on the right outer side of the packer central tube 1, the distance between the spacing baffle plates 4 is the same as the width of the fixed ring 5, the height of the spacing baffle plates 4 is the same as the sum of the thickness of the fixed ring 5 and the thickness of the rotating piece 6, the inside of the fixed ring 5 is in a hollow state, annular grooves are arranged on the outer side of the fixed ring 5, the width of the annular grooves on the outer side of the fixed ring 5 is the same as the diameter of the cross section of the connecting rod 9, the diameter of the cross section of the sphere 10 is 1.5 times larger than the diameter of the cross section of the connecting rod 9, the number of the clamping blocks 7 is 2, the clamping blocks 7 are distributed on the upper side and the lower side of the right outer side of the packer central tube 1, the number of the rotating piece 6 is the same as the number of the clamping blocks 7, so that the device can effectively prevent the situation of slipping between the clamping blocks 7 and a well wall in the process of rightward moving extrusion of the packer central tube 1, the success rate of packer installation success can be effectively improved to solve the problem that the clamping block 7 and the well wall slip easily caused by adjustment and positioning and rotation during the installation of the packer, and through the ball 11, the cross section shape of the rotating piece 6 is quarter round, the number of balls on the inner side of the rotating piece 6 is 4, the balls 11 are distributed at the four corners on the inner side of the rotating piece 6, the left side and the right side on the outer side of the fixed ring 5 are provided with ball sliding grooves, the width of the ball sliding grooves on the outer side of the fixed ring 5 is the same as the diameter of the cross section of the balls 11, so that the device can improve the smoothness of the fixed ring 5 when the inner side of the rotating piece 6 slides, friction resistance is reduced between the packer central tube 1 and the clamping block 7, the efficiency of the adjustment and positioning of the packer central tube 1 is improved, and the packer central tube 1 is very practical.

The working flow is as follows: in the process that needs to install and use an underground mechanical blocking packer with adjustable optional position, at first, the staff needs to connect the packer with the external pipe stably through connecting block 2, the in-process of connecting, the staff needs to pay attention to the stability of connecting between connecting block 2 and the external pipe, after the installation is accomplished, the staff needs to place the packer wholly in the position of well head and continuously move the packer to the right through the external pipe, when moving to the position of settlement, the staff needs to rotate packer center tube 1 through the external pipe, in the pivoted in-process, packer center tube 1 drives solid fixed ring 5 rotatory, because fixture block 7 is extruded by the wall of a well, lead to fixture block 7 to be fixed, guy ring 5 inside slides in spheroid 10 outside, connecting rod 9 and ball 11 on spheroid 10 outside top all slide in spout 8 in the middle of gu fixed ring 5 and the ball spout inboard of gu fixed ring 5 left and right sides, after the completion of rotation packer 1 right side's lug position and fixture block 7 align, the staff pushes down packer center tube 1 through the external pipe, can extrude fixture block 4 to the wall contact with the well wall, install the packer, if the completion, it can only need to separate with the fixed center tube 1 to rotate the fixed center tube 1, if the fixed center tube 1 can be adjusted, the efficiency can be reduced, and the plug 1 can be adjusted, and the plug 1 can be adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an optional position adjustable mechanical blocking packer in pit, includes packer center tube (1), its characterized in that: the novel packer is characterized in that the connecting block (2) is fixedly connected to the left end face of the packer central tube (1), the rubber isolation ring (3) is fixedly connected to the outer side of the middle of the packer central tube (1), the limiting partition plate (4) and the fixing ring (5) are fixedly connected to the outer side of the right of the packer central tube (1), the ball body (10) is fixedly connected to the inner side of the fixing ring (5) in a sliding mode, the connecting rod (9) is fixedly connected to the top end of the outer side of the ball body (10), the rotating plate (6) is fixedly connected to the top end of the outer side of the connecting rod (9), and the clamping block (7) is fixedly connected to the outer side of the rotating plate (6).

2. The downhole adjustable mechanical plugging packer of claim 1, wherein: the inside outside of solid fixed ring (5) and connecting rod (9) sliding connection, rotor (6) left and right sides and spacing baffle (4) sliding connection, rotor (6) lower terminal surface block has ball (11), ball (11) below and solid fixed ring (5) contact.

3. The downhole adjustable mechanical plugging packer of claim 1, wherein: the number of the limiting partition plates (4) is 2, the limiting partition plates (4) are arranged on the outer side of the right side of the packer central tube (1), the distance between the limiting partition plates (4) is the same as the width of the fixed ring (5), and the height of the limiting partition plates (4) is the same as the sum of the thickness of the fixed ring (5) and the thickness of the rotating sheet (6).

4. The downhole adjustable mechanical plugging packer of claim 1, wherein: the inside of the fixed ring (5) is in a hollow state, the outside of the fixed ring (5) is provided with an annular groove, and the width of the annular groove at the outside of the fixed ring (5) is the same as the diameter of the cross section of the connecting rod (9).

5. The downhole adjustable mechanical plugging packer of claim 1, wherein: the diameter of the cross section of the ball body (10) is 1.5 times larger than that of the cross section of the connecting rod (9), the number of the clamping blocks (7) is 2, the clamping blocks (7) are distributed on the upper side and the lower side of the right outer side of the packer central tube (1), and the number of the rotating pieces (6) is the same as that of the clamping blocks (7).

6. The downhole adjustable mechanical plugging packer of claim 2, wherein: the cross section shape of the rotating piece (6) is in a quarter circle shape, the number of balls on the inner side of the rotating piece (6) is 4, the balls (11) are distributed at four corners on the inner side of the rotating piece (6), ball sliding grooves are formed in the left side and the right side of the outer side of the fixed ring (5), and the width of each ball sliding groove on the outer side of the fixed ring (5) is the same as the diameter of the cross section of each ball (11).