CN220226806U

CN220226806U - Suspension setting tool

Info

Publication number: CN220226806U
Application number: CN202321983168.XU
Authority: CN
Inventors: 万程畅; 邵阳
Original assignee: Tianjin Wante Energy Technology Co ltd
Current assignee: Tianjin Wante Energy Technology Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-22
Anticipated expiration: 2033-07-26

Abstract

The utility model relates to the technical field of oil extraction tools and discloses a suspension setting tool, which comprises a mandrel, a first piston, a second piston, an upper joint, a sealing shell and a lower joint, wherein an inner barrel is arranged on the inner wall of the upper joint, a locking device is arranged on the inner wall of the upper joint, the locking device comprises a damper, a first clamping block is arranged on the top of the damper, and the locking device for preventing the pre-setting is arranged on the top of the damper.

Description

Suspension setting tool

Technical Field

The utility model relates to the technical field of oil extraction tools, in particular to a suspension setting tool.

Background

The packer refers to a downhole tool connected to a downhole string for sealing an annular space between an oil pipe and an oil-gas well casing or an open hole wall.

The traditional hanging setting tool can refer to the Chinese patent with the issued publication number of CN203362082U, which discloses a hanger setting tool for fracturing a gas well, wherein the lower end of a lower central tube rubber ring (7) is in threaded connection with a connecting body (12), the outer side of the connecting body (12) is in threaded connection with a spring claw (13), the spring claw (13) is connected with a sliding sleeve (16) through a shearing pin (15), a preset sealing ball (14) is placed on the upper end surface of the sliding sleeve (16), and two openings (17) are formed in the middle of the spring claw (13) in bilateral symmetry. The utility model is mainly applied to the setting and releasing operation of the hanger in the multi-layer fracturing string of the deep gas well, has the advantages of excellent temperature and pressure resistance, reliable work, capability of completely meeting the multi-layer high-temperature and high-pressure application environment and the like. "

When the device is used, a mechanical operation mode of replacing a rotary pipe column is adopted by a hydraulic operation mode of pressurizing through a wellhead, so that construction steps are simplified, but the device is inconvenient to lock a piston in the use process, so that the condition of advanced setting occurs, and the device needs to be put into a mode of two pipe columns to realize subsequent operation when being put into, so that time is wasted and cost is increased.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a hanging setting tool, which has the advantages of being convenient for locking a piston and preventing the situation of the advanced setting, has the advantages of realizing the subsequent operation by only putting in a tubular column and saving time, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a hang setting tool, includes dabber, first piston, second piston, top connection, seal shell and lower clutch, the inner wall of top connection is provided with the inner tube, the inner wall of top connection is provided with locking device, locking device includes the attenuator, the top of attenuator is provided with first fixture block to make reset to first fixture block, the outer wall of first fixture block is provided with the mount, and rotates through the pole between first fixture block and the mount to make first fixture block rotate, the outer wall of first fixture block is provided with the latch, the right side of first fixture block is provided with the second fixture block of installing on the second piston, and the opposite one side of second fixture block and first fixture block is provided with anti-latch, so that first fixture block and second fixture block joint each other.

As a preferable technical scheme of the utility model, the bottom of the locking device is provided with a first slip, so that the first slip can fixedly connect the first piston with the second piston.

As a preferable technical scheme of the utility model, the bottom of the first slip is provided with the rubber ring, the bottom of the rubber ring is provided with the second slip, and the rubber ring and the second slip are sleeved on the upper joint, so that the first slip and the second slip are conveniently limited, and movement in the use process is prevented.

As a preferable technical scheme of the utility model, the bottom of the second slip is provided with a wedge ring, so that the locking device is conveniently carried and is conveniently mounted on the sealing shell.

As a preferable technical scheme of the utility model, the bottom of the wedge ring is provided with the bearing barrel, so that the wedge ring is conveniently blocked, and the stability of the wedge ring in use is improved.

As a preferable technical scheme of the utility model, the bottom of the bearing barrel is provided with a backing ring so as to buffer the space between the sealing shell and the inner barrel and keep the tightness between the sealing shell and the inner barrel.

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

1. this hang setting tool, through being provided with the locking device that prevents the preceding setting, first piston starts, release the attenuator that prevents the preceding setting after the first piston starts, thereby the second piston upwards moves together with first piston, promote first slips and outwards open, anchor at the sleeve pipe inner wall, compress the packing element simultaneously, make the packing element expand, after pressure reaches the minimum setting power of design, hang the packer and accomplish the setting completely, in the completion of well process, when meeting the instrument and going into difficulty when needs to lift down the movable tubular column, greatly reduced the risk of hanging the preceding setting of packer, the success rate of hanging the packer and going into predetermined depth smoothly has been improved.

2. The hanging setting tool has two feeding modes, when the well condition allows, the inserting sealing feeding mode can be selected, the feeding, setting and subsequent fracturing or production operations can be realized by feeding the pipe column once, compared with the feeding mode by using a matched feeding tool, the feeding mode can realize the subsequent operations by feeding the pipe column twice, the time of the next pipe column is saved, the cost is saved, and the operation efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic view of a locking structure of the present utility model.

In the figure: 1. an upper joint; 2. a sealed housing; 3. a lower joint; 4. an inner cylinder; 5. a locking device; 501. a damper; 502. a first clamping block; 503. a second clamping block; 504. a fixing frame; 6. a first slip; 7. a rubber ring; 8. a second slip; 9. a wedge ring; 10. a carrying barrel; 11. and a backing ring.

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. 1-3, a hanging setting tool comprises a mandrel, a first piston, a second piston, an upper joint 1, a sealing shell 2 and a lower joint 3, wherein the inner wall of the upper joint 1 is fixedly connected with an inner cylinder 4 through a bolt, a locking device 5 fixedly connected with the inner wall of the upper joint 1 through the bolt is utilized, the locking device 5 comprises a damper 501, a first clamping block 502 fixedly connected with the top of the damper 501 through the bolt is used for enabling the damper 501 to apply an acting force to the first clamping block 502, the first clamping block 502 is reset, the outer wall of the first clamping block 502 is utilized to be rotationally connected with a fixing frame 504 through the bolt, a round rod is used for rotationally connecting the first clamping block 502 with the fixing frame 504, the first clamping block 502 can rotate, the second clamping block 503 is pushed up when being convenient to move, a clamping tooth fixedly welded on the outer wall of the first clamping block 502 is utilized, a second clamping block 503 is arranged on the right side of the first clamping block 502, a reverse clamping block 502 is arranged on one side opposite to the first clamping block 502, the opposite side of the second clamping block 503 is used for enabling the second clamping block to apply an acting force to the first clamping block 502, the first clamping block 502 is pushed down by the upper clamping block 502 to be placed into the sealing ring, the first clamping block is difficult to be pushed down, and the first clamping block is pushed down by the piston is pushed down by a round rod to be fully close the sealing ring, and the first clamping block is completely compressed by the piston is pushed up, and the first clamping block is completely and the piston is completely compressed by the piston is closed, and the piston is completely is opened, and the piston is sealed by the piston is simultaneously, and the piston is designed to be the piston is closed, and the piston is the cylinder is a cylinder is sealed.

The first slip 6 is fixedly connected through bolts at the bottom of the locking device 5, so that the first slip 6 can fixedly connect the first piston and the second piston, and the device is in a fully set state when the movable pipe column is lowered.

The bottom of the first slips 6 is utilized again to pass through the rubber ring 7 of bolt fixed connection, and the bottom of rubber ring 7 passes through bolt fixed connection second slips 8, and rubber ring 7 and second slips 8 cup joint on top connection 1 to make be convenient for carry out spacingly to first slips 6 and second slips 8, prevent to take place to remove in the in-process of using, keep the device to advance the condition emergence that sets up.

The bottom of the second slip 8 is fixedly connected with the wedge ring 9 through bolts so as to load the locking device 5 conveniently, and the locking device 5 is mounted on the sealing shell 2 conveniently, so that the second slip 8 and the wedge ring 9 are fixedly connected conveniently.

The bottom of the wedge ring 9 is used for fixedly connecting the bearing barrel 10 through bolts so as to block the wedge ring 9 conveniently and improve the stability of the wedge ring 9 in use.

A backing ring 11 fixedly connected with the bottom of the carrying barrel 10 through bolts is used for buffering the space between the sealing shell 2 and the inner barrel 4 and keeping the tightness between the sealing shell 2 and the inner barrel 4.

The working principle is that when the hydraulic packer is used, the first piston is started, the damper 501 for preventing the advanced setting is released after the first piston is started, so that the second piston moves upwards together with the first piston, the C-shaped slips are pushed to open outwards by the first slips 6, the first slips are anchored on the inner wall of the casing, the rubber ring 7 is compressed, the rubber ring 7 is expanded, and when the pressure reaches the designed minimum setting force, the packer is suspended to complete the complete setting.

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

1. The utility model provides a hang setting tool, includes dabber, first piston, second piston, top connection (1), seal shell (2) and lower clutch (3), its characterized in that: the inner wall of top connection (1) is provided with inner tube (4), the inner wall of top connection (1) is provided with locking device (5), locking device (5) include attenuator (501), the top of attenuator (501) is provided with first fixture block (502) to make reset first fixture block (502), the outer wall of first fixture block (502) is provided with mount (504), and rotates through the pole between first fixture block (502) and mount (504) and be connected, so that first fixture block (502) can rotate, the outer wall of first fixture block (502) is provided with the latch, the right side of first fixture block (502) is provided with second fixture block (503) of installing on the second piston, and the opposite one side of second fixture block (503) and first fixture block (502) is provided with anti-latch, so that first fixture block (502) and second fixture block (503) block each other.

2. A suspension setting tool as defined in claim 1 wherein: the bottom of the locking device (5) is provided with a first slip (6) so that the first slip (6) can fixedly connect the first piston with the second piston.

3. A suspension setting tool as defined in claim 2 wherein: the bottom of first slips (6) is provided with rubber ring (7), the bottom of rubber ring (7) is provided with second slips (8), and rubber ring (7) and second slips (8) cup joint on top connection (1) to make be convenient for carry out spacingly to first slips (6) and second slips (8), prevent to take place to remove at the in-process of using.

4. A suspension setting tool as claimed in claim 3, wherein: the bottom of the second slip (8) is provided with a wedge ring (9) so as to carry the locking device (5) conveniently and install the locking device (5) on the sealing shell (2).

5. A suspension setting tool as defined in claim 4 wherein: the bottom of the wedge ring (9) is provided with a bearing barrel (10) so as to block the wedge ring (9) conveniently and improve the stability of the wedge ring (9) in use.

6. A suspension setting tool as defined in claim 5 wherein: the bottom of the bearing barrel (10) is provided with a backing ring (11) so as to buffer the space between the sealing shell (2) and the inner barrel (4) and maintain the tightness between the sealing shell (2) and the inner barrel (4).