CN113370154B

CN113370154B - Auxiliary plug valve installation device

Info

Publication number: CN113370154B
Application number: CN202010162586.7A
Authority: CN
Inventors: 王健; 张康卫; 张宏峰; 彭军; 袁龙; 张�雄
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2023-02-10
Anticipated expiration: 2040-03-10
Also published as: CN113370154A

Abstract

The application discloses supplementary installation plug valve device relates to oil development technical field. Supplementary installation plug valve device includes: the connecting assembly, the detachable hoop, the movable connecting arm and the limiting hook are arranged on the connecting assembly; the top of the connecting component is used for connecting the plug valve; the bottom of the connecting assembly is used for connecting a connecting coupling on the top of the oil pipe; the side surface of the connecting component is connected with the side surface of the upper part of the movable connecting arm; the side face of the lower part of the movable connecting arm is connected with the outer wall of a detachable hoop, and the detachable hoop is used for wrapping the outer wall of the connecting collar; the upper end of the limiting hook is connected to the bottom of the side face of the detachable hoop, and the lower end of the limiting hook is clamped on a step near an oil pipe and used for limiting the plug valve device for auxiliary installation to move upwards; when the plug valve is installed in an auxiliary mode, the movable connecting arm drives the connecting assembly to move to the top of the connecting coupling at the top of the oil pipe, and the connecting assembly is connected with the connecting coupling at the top of the oil pipe. The difficulty and the installation time of manually installing the plug valve can be reduced.

Description

Auxiliary plug valve installation device

Technical Field

The application relates to the technical field of oil development. In particular to a plug valve device for auxiliary installation.

Background

In the technical field of oil development, in the process of oil field operation, an oil pipe is placed in a well. Under the influence of gas cut and pumping factors, the pressure in the oil pipe at the bottom of the well can be greater than the pressure in the oil pipe of the shaft, the well liquid overflows in the oil pipe, and at the moment, the oil pipe at the top of the well needs to be plugged by using the plug valve.

In the prior art, the phenomenon of well fluid overflow occurs in an oil pipe, the pressure in the oil pipe is controlled, a plug valve is manually and forcibly installed at the top end of the oil pipe, the well is closed, and the oil pipe is prevented from overflowing without controlling the well fluid.

As the plug valve is manually and forcibly installed at the top end of the oil pipe, the problems of long installation time of the plug valve, difficult operation and poor buckling accuracy between the plug valve and the oil pipe exist, and the emergency requirement cannot be met.

Disclosure of Invention

The embodiment of the application provides an auxiliary plug valve installation device, under the condition of guaranteeing to install the plug valve, has shortened the installation time of plug valve, promotes the success rate of the installation of plug valve, reduces the degree of difficulty and the operational risk of artifical installation plug valve, makes the installation of plug valve easier. The specific technical scheme is as follows:

on the one hand, this application embodiment provides an auxiliary installation plug valve device, auxiliary installation plug valve device includes: supplementary installation plug valve device includes: the connecting assembly, the detachable hoop, the movable connecting arm and the limiting hook are arranged on the connecting assembly;

the top of the connecting component is used for connecting a plug valve;

the bottom of the connecting assembly is used for connecting a connecting coupling at the top of the oil pipe;

the side surface of the connecting assembly is connected with the side surface of the upper part of the movable connecting arm; the side surface of the lower part of the movable connecting arm is connected with the outer wall of the detachable hoop, and the detachable hoop is used for wrapping the outer wall of the connecting hoop;

the upper end of the limiting hook is connected to the bottom of the side face of the movable connecting arm, and the lower end of the limiting hook is clamped on a step near the oil pipe and used for limiting the auxiliary installation plug valve device to move upwards;

before the movable connecting arm assists in mounting the plug valve, the movable connecting arm drives the connecting assembly to be away from the top of a connecting collar at the top of the oil pipe, and the plug valve is mounted on the connecting assembly;

in supplementary installation during the plug valve, the portable linking arm drives coupling assembling removes to the top of the connection coupling at oil pipe top will coupling assembling with the connection coupling at oil pipe top is connected.

In one possible implementation, the connection assembly includes a bridge collar, a bridge nipple, a floating barrel, and at least one first handle;

the top of the gap bridge coupling is used for connecting the plug valve;

the at least one first handle is fixedly connected to the side surface of the bridge collar;

the bottom of the gap bridge coupling is connected with the top of the gap bridge nipple;

the gap bridge nipple is arranged in the floating cylinder in a penetrating mode and can move relative to the floating cylinder, and the bottom of the gap bridge nipple is used for being connected with a connecting coupling on the top of the oil pipe;

the outer wall of the floating cylinder body is connected with the side face of the upper portion of the movable connecting arm.

In another possible implementation, the connecting member further includes: screwing the pressing cap and the at least one second handle;

the tightening pressing cap is arranged at the bottom of the coupling and connected with the top of the floating cylinder body, and the gap bridge nipple is arranged in the tightening pressing cap and the floating cylinder body in a penetrating manner and can move relative to the tightening pressing cap and the floating cylinder body;

the at least one second handle is connected to the side of the tightening pressure cap.

In another possible implementation manner, a first shoulder is arranged on an outer wall of the gap bridge nipple, and the first shoulder moves relatively between the screwing pressing cap and the floating cylinder.

In another possible implementation, the movable connecting arm comprises: the side plate, the connecting arm, the fixed connecting pin and the movable connecting pin are arranged on the side plate;

the side plate is connected to the outer wall of the detachable hoop, a first through hole and a second through hole are sequentially formed in the side plate in the vertical direction, and the first through hole is formed in the upper portion of the second through hole;

the side surface of the upper part of the connecting arm is connected with the side surface of the connecting component;

a third through hole matched with the first through hole and a fourth through hole matched with the second through hole are formed in the lower portion of the connecting arm;

the fixed connecting pin connects the lower part of the connecting arm with the side plate through the second through hole and the fourth through hole, and the connecting arm can rotate relative to the side plate through the fixed connecting pin;

when the connecting arm drives the connecting assembly to be far away from the top of the connecting coupling at the top of the oil pipe, the movable connecting pin is not arranged in the first through hole and the third through hole;

when the connecting arm drives the connecting assembly to move to the top of the connecting collar at the top of the oil pipe, the movable connecting pin passes through the first through hole and the third through hole, and the lower part of the connecting arm is connected with the side plate and used for fixing the connecting arm and the side plate.

In another possible implementation, the removable collar comprises: the hinge comprises a first semicircular hoop, a second semicircular hoop and a hinge;

one leaf of the hinge is arranged on the outer wall of the first semicircular ring hoop, and the other leaf of the hinge is arranged on the outer wall of the second semicircular ring hoop and used for connecting the first semicircular ring hoop and the second semicircular ring hoop;

the first semi-circular hoop and the second semi-circular hoop form an inner cavity matched with the connecting coupling at the top of the oil pipe, and the inner cavity is used for wrapping the outer wall of the connecting coupling at the top of the oil pipe.

In another possible implementation manner, a second shoulder is arranged at the top of the first semi-circular hoop, a third shoulder is arranged at the top of the second semi-circular hoop, and the second shoulder and the third shoulder are used for limiting the upward movement of a connection coupling at the top of the connection oil pipe.

In another possible implementation, the removable collar further comprises: a hinge pin;

the hinge pin is used for connecting and separating one leaf of the hinge and the other leaf of the hinge.

In another possible implementation manner, the inner wall of the top of the bridge hoop is provided with a first thread, and the inner wall of the bottom of the bridge hoop is provided with a second thread; the outer wall of the top of the bridge link is provided with a third thread matched with the second thread;

the top of the bridge hoop is connected with the plug valve through the first thread;

the bottom of the bridge-crossing hoop is connected with the top of the bridge-crossing link through the second thread and the third thread.

In another possible implementation manner, the inner wall of the bottom of the cock pressing cap is provided with a fourth thread, and the inner wall of the top of the floating cylinder body is provided with a fifth thread matched with the fourth thread;

the bottom of the cock pressing cap is connected with the top of the floating cylinder body through the fourth thread and the fifth thread.

The technical scheme provided by the embodiment of the application has the following beneficial effects: in the embodiment of the application, the plug valve auxiliary installation device comprises a connecting assembly, the top of the connecting assembly is connected with the plug valve, and the bottom of the connecting assembly is connected with a connecting collar at the top of an oil pipe, so that the accuracy of buckling between the plug valve and the oil pipe can be improved; meanwhile, the auxiliary plug valve mounting device also comprises a movable connecting arm, the movable connecting arm drives the connecting component to be far away from the top of the connecting coupling at the top of the oil pipe before the auxiliary plug valve mounting, and the plug valve is mounted on the connecting component; when the plug valve is installed in an auxiliary mode, the movable connecting arm drives the connecting assembly to move to the top of a connecting coupling at the top of an oil pipe, and the connecting assembly is connected with the connecting coupling at the top of the oil pipe. The difficulty of manual installation of the plug valve can be reduced, the plug valve is easier to install, and the installation time of the plug valve is shortened.

Drawings

FIG. 1 is a schematic view of an auxiliary installation plug valve device provided by an embodiment of the present application;

FIG. 2 is a schematic view of another auxiliary installation plug valve device provided by the embodiment of the application;

FIG. 3 is a flow chart of a process for installing a plug valve using an auxiliary installation plug valve device according to an embodiment of the present application.

The device comprises a connecting assembly, a detachable hoop, a movable connecting arm, a limiting hook, a gap coupling, a gap short section, a floating barrel, a first handle, a screwing pressing cap, a second handle, a first semicircular hoop, a second semicircular hoop, a hinge, a side plate, a connecting arm, a fixed connecting pin and a movable connecting pin, wherein the connecting assembly comprises 1-a connecting assembly, 2-a detachable hoop, 3-a movable connecting arm, 4-a limiting hook, 11-a gap coupling, 12-a gap short section, 13-a floating barrel, 14-a first handle, 15-a screwing pressing cap, 16-a second handle, 21-a first semicircular hoop, 22-a second semicircular hoop, a hinge, a side plate, a connecting arm, a fixed connecting pin and a movable connecting pin.

Detailed Description

In order to make the technical solutions and advantages of the present application more clear, the following describes the embodiments of the present application in further detail.

The embodiment of the application provides an auxiliary installation plug valve device, referring to fig. 1, which comprises: the device comprises a connecting assembly 1, a detachable hoop 2, a movable connecting arm 3 and a limiting hook 4;

the top of the connecting component 1 is used for connecting a plug valve;

the bottom of the connecting assembly 1 is used for connecting a connecting collar at the top of a tubing;

the side surface of the connecting assembly 1 is connected with the side surface of the upper part of the movable connecting arm 3; the side surface of the lower part of the movable connecting arm 3 is connected with the outer wall of the detachable hoop 2, and the detachable hoop 2 is used for wrapping the outer wall of the connecting hoop;

the upper end of the limiting hook 4 is connected to the bottom of the side face of the movable connecting arm 3, and the lower end of the limiting hook 4 is clamped on a step near an oil pipe and used for limiting the plug valve device for auxiliary installation to move upwards;

before the movable connecting arm 3 assists in installing the plug valve, the movable connecting arm 3 drives the connecting assembly 1 to be away from the top of a connecting coupling at the top of an oil pipe, and the plug valve is installed on the connecting assembly 1;

in supplementary installation during the plug valve, but movable connecting arm 3 drives coupling assembling 1 and removes the top to the connection coupling at oil pipe top, is connected coupling assembling 1 and the connection coupling at oil pipe top.

In the embodiment of the application, the plug valve auxiliary installation device comprises a connecting component 1, the top of the connecting component 1 is connected with a plug valve, and the bottom of the connecting component 1 is connected with a connecting collar at the top of an oil pipe, so that the accuracy of buckling between the plug valve and the oil pipe can be improved; meanwhile, the plug valve auxiliary installation device also comprises a movable connecting arm 3, before the plug valve auxiliary installation of the movable connecting arm 3, the movable connecting arm 3 drives the connecting component 1 to be far away from the top of the connecting coupling at the top of the oil pipe, and the plug valve is installed on the connecting component 1; in supplementary installation during the plug valve, but movable connecting arm 3 drives coupling assembling 1 and removes the top to the connection coupling at oil pipe top, is connected coupling assembling 1 and the connection coupling at oil pipe top. The difficulty of manual installation of the plug valve can be reduced, and the plug valve is easier to install. In addition, the installation time of the plug valve is shortened.

Introduction of the connection assembly 1: in a possible implementation manner, the top of the connecting assembly 1 is used for connecting the plug valve, the bottom of the connecting assembly 1 is used for connecting a connecting collar at the top of the oil pipe, and the side surface of the connecting assembly 1 is connected with the side surface of the upper part of the movable connecting arm 3. With reference to fig. 2, such a connection assembly 1 comprises: a gap bridge coupling 11, a gap bridge nipple 12, a floating cylinder 13 and at least one first handle 14.

The top of coupling 11 of passing a bridge is used for connecting plug valve, and at least one first handle 14 fixed connection is in the side of coupling 11 of passing a bridge, and the bottom of coupling 11 of passing a bridge is connected with the top of nipple 12 of passing a bridge, and nipple 12 of passing a bridge is worn to adorn in unsteady barrel 13, and can float barrel 13 relative movement, and the bottom of nipple 12 of passing a bridge is used for connecting the coupling at oil pipe top, and the side on the upper portion of the portable linking arm 3 of outer wall connection of unsteady barrel 13.

Introduction of the bridge coupling 11: in a possible implementation manner, the inner wall of the top of the bridge coupling 11 is provided with a first thread for connecting the plug valve, and the inner wall of the bottom of the bridge coupling 11 is provided with a second thread connected with the top of the bridge nipple 12.

The material of the bridge coupling 11 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the coupling 11 may be cast iron or an alloy. The shape of the coupling 11 may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the shape of the coupling 11 may be a cylindrical shape or a rectangular parallelepiped shape.

Introduction of the first thread: the first thread is arranged on the inner wall of the top of the bridge coupling 11. The number of threads of the first thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of threads of the first thread may be 3 turns. The gap between the threads of the first thread may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the clearance between the threads of the first thread may be 1mm. The thickness of the first thread may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the first thread may be 2mm. The length of the first thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the first thread may be 10cm.

Introduction of the second thread: the second thread is provided on the inner wall of the bottom of the bridge coupling 11. The number of threads of the second thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of threads of the second thread may be 3 turns. The gap between the threads of the second thread may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the clearance between the threads of the second thread may be 1mm. The thickness of the second thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the second thread may be 2mm. The length of the second thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the second thread may be 10cm in length.

Introduction of gap bridge sub 12: in a possible implementation mode, the outer wall at the top of the gap bridge nipple 12 is provided with a third thread matched with the second thread, the third thread is connected with the bottom of the gap bridge coupling 11, the gap bridge nipple 12 penetrates through the floating cylinder 13, the bottom of the outer wall of the gap bridge nipple 12 is provided with a first shoulder, the first shoulder can move relative to the floating cylinder 13, and the bottom of the gap bridge nipple 12 is used for connecting the connection coupling at the top of the oil pipe.

The material of the gap bridge nipple 12 may be set and changed as required, and is not specifically limited in this application embodiment. For example, the material of the coupling 11 may be cast iron or alloy.

Introduction of the third thread: the third thread is arranged on the outer wall of the top of the gap bridge nipple 12. The number of threads of the third thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of threads of the third thread may be 3 turns. The gap between the threads of the third thread may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the clearance between the threads of the third thread may be 1mm. The thickness of the third thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the third thread may be 2mm. The length of the third thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the third thread may be 10cm.

Introduction of at least one first handle 14: in one possible implementation, at least one first handle 14 is fixedly attached to the side of the bridge collar 11.

The number of the at least one first handle 14 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of the at least one first handle 14 may be 2. The material of the at least one first handle 14 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the at least one first handle 14 may be cast iron. The position of the at least one first handle 14 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, at least one first handle 14 is positioned on top of the side of the bridge collar 11.

The coupling assembling still includes: the tightening pressing cap 15 and at least one second handle 16 are arranged, the tightening pressing cap 15 is arranged at the bottom of the coupling 11 and is connected with the top of the floating cylinder body 13, and the gap bridge nipple 12 is arranged in the tightening pressing cap 15 and the floating cylinder body 13 in a penetrating manner and can move relative to the tightening pressing cap 15 and the floating cylinder body 13;

at least one second handle 16 is attached to the side of the tightening gland 15.

Introduction of the screwing and pressing cap 15: in a possible implementation mode, the screwing pressing cap 15 is arranged at the bottom of the coupling, a fourth thread is arranged on the outer wall of the bottom of the screwing pressing cap 15, the top of the floating cylinder body 13 is connected through the fourth thread, and the gap bridge nipple 12 penetrates through the screwing pressing cap 15 and the floating cylinder body 13 and can move relative to the screwing pressing cap 15 and the floating cylinder body 13;

the material of the tightening pressing cap 15 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the tightening cap 15 may be cast iron or an alloy.

Introduction of the fourth thread: the fourth thread is arranged on the outer wall of the bottom of the screwing pressing cap 15. The number of threads of the fourth thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of threads of the fourth thread may be 3 turns. The gap between the threads of the third thread may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the clearance between the threads of the third thread may be 1mm. The thickness of the third thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the third thread may be 2mm. The length of the third thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the third thread may be 10cm.

Introduction of the floating cylinder 13: in a possible implementation, the floating cylinder 13 may be a cylinder, and the inner wall of the top of the floating cylinder 13 is provided with a fifth thread matching with the fourth thread and connected with the screwing and pressing cap 15.

The material of the floating cylinder 13 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the floating cylinder 13 may be cast iron or an alloy. The height of the floating cylinder 13 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the height of the floating cylinder 13 is 10cm.

Introduction of the fifth thread: the fifth thread is provided on the inner wall of the top of the floating cylinder 13. The number of threads of the fifth thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of threads of the fifth thread may be 3 turns. The gap between the threads of the fifth thread may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the clearance between the threads of the fifth thread may be 1mm. The thickness of the fifth thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the fifth thread may be 2mm. The length of the fifth thread may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the fifth thread may be 10cm.

Introduction of the first shoulder: in a possible realization, the first shoulder is arranged at the bottom of the outer wall of the bridge short joint and moves relatively between the screwing press cap 15 and the floating cylinder 13.

The material of the first shoulder may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the first shoulder is made of cast iron. The number of the first shoulders may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example the number of first shoulders is 2. The size of the first shoulder may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example the size of the first shoulder may be 2cm. The shape of the first shoulder may be set and modified as needed, and is not particularly limited in the embodiment of the present application. For example, the first shoulder may be rectangular in shape.

Introduction of at least one second handle 16: in a possible realisation, at least one second handle 16 is associated to the side of said screwing and pressing cap 15.

The number of the at least one second handle 16 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of the at least one second handle 16 may be 2. The material of the at least one second handle 16 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, at least one second handle 16 may be cast iron. The position of the at least one second handle 16 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, at least one second handle 16 is positioned at the upper part of the side where the pressing cap 15 is screwed.

In this application embodiment, be connected with the plug valve through coupling assembling 1's top, coupling assembling 1's bottom and the coupling of being connected at connection oil pipe top realize the indirect connection of plug valve and oil pipe, have improved the accuracy of make-up between plug valve and the oil pipe, reduce the degree of difficulty of artifical installation plug valve, make the installation of plug valve easier.

Introduction of the movable connecting arm 3: in a possible realization, the side of the connecting assembly 1 connects the sides of the upper part of the mobile connecting arm 3; the lower side of the movable connecting arm 3 is connected to the outer wall of the detachable collar 2. With continued reference to fig. 2, such a movable connecting arm 3 comprises: side plate 31, connecting arm 32, fixed connecting pin 33 and movable connecting pin 34.

Introduction of the side plate 31: in a possible implementation manner, the side plate 31 is connected to the outer wall of the detachable hoop 2, and a first through hole and a second through hole are sequentially arranged on the side plate 31 in the vertical direction, and the first through hole is arranged at the upper part of the second through hole;

the material of the side plate 31 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the side plate 31 may be cast iron. The thickness of the side plate 31 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the side plate 31 may be 3cm. The length of the side plate 31 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example the length of the side panel 31 may be 10cm. The width of the side plate 31 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the width of the side panel 31 may be 5cm.

Introduction of the first through hole: in a possible implementation, the first through holes are provided in a vertical direction on the side plate 31.

The aperture size of the first through hole may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the aperture of the first through hole may be 2cm. The position of the first through hole may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the position of the first through hole may be the top in the vertical direction on the side plate 31.

Introduction of the second through hole: in one possible implementation, the second through hole is provided in the vertical direction on the side plate 31, at a lower portion of the first through hole.

The aperture size of the second through hole may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the aperture of the second through hole may be 2cm. The position of the second through hole may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the position of the second through hole may be directly below the lower portion of the first through hole.

Introduction of the connecting arm 32: in a possible implementation, the side of the upper part of the connecting arm 32 is connected to the side of the connecting assembly 1, and the lower part of the connecting arm 32 is provided with a third through hole matching with the first through hole and a fourth through hole matching with the second through hole.

The material of the connecting arm 32 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the connecting arm 32 may be cast iron. The thickness of the connecting arm 32 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the connecting arm 32 may have a thickness of 3cm. The length of the connecting arm 32 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the connecting arm 32 may be 10cm. The width of the connecting arm 32 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the connecting arm 32 may have a width of 5cm.

Introduction of the third through hole: in one possible implementation, the third through hole matches the first through hole.

Introduction of the fourth via: in one possible implementation, the fourth through hole is matched with the second through hole.

Introduction of the fixed connection pin 33: in a possible implementation manner, the fixed connecting pin 33 connects the lower portion of the connecting arm 32 with the side plate 31 through the second through hole and the fourth through hole, and the connecting arm 32 is rotatable relative to the side plate 31 through the fixed connecting pin 33.

The material of the fixing connecting pin 33 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the fixing pin 33 may be cast iron. The length of the fixed connection pin 33 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the fixed connection pin 33 may be 10cm. The thickness of the fixing connection pin 33 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the fixed connection pin 33 may be 1cm.

Introduction of the articulated pin 34: in one possible implementation, when the connecting arm 32 moves the connecting assembly 1 away from the top of the coupling at the top of the tubing, the movable connecting pin 34 is not disposed in the first through hole and the third through hole; when the connecting arm 32 drives the connecting assembly 1 to move to the top of the connecting collar at the top of the oil pipe, the movable connecting pin 34 connects the lower part of the connecting arm 32 with the side plate 31 through the first through hole and the third through hole, and is used for fixing the connecting arm 32 and the side plate 31.

The material of the movable connecting pin 34 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the movable connecting pin 34 may be cast iron. The length of the movable connecting pin 34 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the articulating pin 34 may be 10cm. The thickness of the movable connecting pin 34 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the articulating pin 34 may be 1cm.

In this application embodiment, drive coupling assembling 1 through linking arm 32 and remove to the top of the connection coupling at oil pipe top, make coupling assembling 1's bottom and the connection coupling of being connected the oil pipe top, realize the indirect connection of plug valve and oil pipe, reduce the degree of difficulty of artifical installation plug valve, make the installation of plug valve easier.

Introduction of the removable hoop 2: in a possible implementation, the removable collar 2 is intended to be wrapped around the outer wall of the connection collar. With continued reference to fig. 2, such a removable hoop 2 comprises: first semicircle hoop 21, second semicircle hoop 22, hinge 23.

Description of the first semicircular hoop 21: in a possible implementation, the first semi-circular hoop 21 is used for wrapping the outer wall of the connection collar at the top of the oil pipe, and the top of the first semi-circular hoop 21 is provided with a second shoulder.

The material of the first semicircular hoop 21 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the first semicircular hoop 21 may be cast iron. The length of the first semicircular hoop 21 can be set and changed as needed, and is not particularly limited in the embodiment. For example, the length of the first semicircular hoop 21 may be 10cm.

Introduction of the second shoulder: in one possible implementation, a second shoulder is provided at the top of the first semi-circular hoop 21 for limiting upward movement of a coupling collar connected to the top of the tubing.

The material of the second shoulder may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the second shoulder may be cast iron. The number of the second shoulders may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example the number of second shoulders may be 2.

Introduction of the second semi-circular hoop 22: in a possible implementation, the second semi-circular collar 22 is used to wrap the outer wall of a connection collar at the top of the tubing, and the top of the second semi-circular collar 22 is provided with a third shoulder.

The material of the second semicircular hoop 22 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the second semi-circular hoop 22 may be made of cast iron. The length of the second semicircular hoop 22 can be set and changed as needed, and is not particularly limited in the embodiment. For example, the second half-round hoop 22 may be 10cm in length.

Introduction of the third shoulder: in one possible implementation, a third shoulder is provided at the top of the second semi-circular hoop 22 for limiting upward movement of the connection collar connecting the top of the tubing.

The material of the third shoulder may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the material of the third shoulder may be cast iron. The number of the third shoulders may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example the number of third shoulders may be 2.

Introduction of hinge 23: in one possible implementation manner, one leaf of the hinge 23 is disposed on an outer wall of the first semicircular ring band 21, the other leaf of the hinge 23 is disposed on an outer wall of the second semicircular ring band 22, and is used for connecting the first semicircular ring band 21 and the second semicircular ring band 22, and the hinge 23 is provided with a hinge pin.

The material of the hinge 23 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the hinge 23 may be made of cast iron. The length of the hinge 23 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the hinge leaf 23 may be 5cm. The thickness of the hinge leaf 23 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the thickness of the hinge leaf 23 may be 1cm. The width of the hinge leaf 23 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the width of the hinge leaf 23 may be 2cm.

Introduction of hinge pins: in one possible implementation, a hinge pin is used to connect and disconnect one of the hinge leaves 23 and the other of the hinge leaves 23.

The material of the hinge pin may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the hinge pin may be cast iron. The length of the hinge pin may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the hinge pin may be 5cm. The thickness of the hinge pin may be set and changed as needed, and is not particularly limited in the embodiment of the present application. The thickness of the hinge pin may be 1cm, for example.

In this application embodiment, connect the coupling at the oil pipe top through dismantling hoop 2, make coupling assembling 1 be connected with oil pipe, realize the indirect connection of plug valve and oil pipe, reduce the degree of difficulty of artifical installation plug valve, make the installation of plug valve easier, shorten the installation time of plug valve.

Introduction of the limit hook 4: in a possible implementation mode, the upper end of the limiting hook 4 is connected to the bottom of the detachable hoop, and the lower end of the limiting hook 4 is clamped on a step near the oil pipe and used for limiting the upward movement of the auxiliary installation plug valve device.

The material of the limit hook 4 may be set and changed as needed, and is not specifically limited in the embodiment of the present application. For example, the limit hook 4 is made of cast iron. The number of the limit hooks 4 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the number of the limit hooks 4 may be 3. The length of the limit hook 4 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the length of the check hook 4 may be 10cm. The width of the limit hook 4 may be set and changed as needed, and is not particularly limited in the embodiment of the present application. For example, the width of the limit hook 4 may be 3cm.

In this application embodiment, through the lower extreme card of spacing hook 4 on near oil pipe's step, the supplementary installation plug valve device rebound of restriction promotes the success rate of plug valve installation, has reduced the degree of difficulty and the operational risk of artifical installation plug valve, makes the installation of plug valve easier, shortens the installation time of plug valve.

The embodiment of the application provides a plug valve auxiliary installation process, which comprises the following steps of:

301: the plug valve is connected to the top of the gap bridge coupling through threads, and is screwed and sealed, so that the plug valve is in an open state.

302: when the oil pipe at the well mouth finds that the well blowout dangerous situation occurs in the overflow, the well shut-in requirement is met according to the well control fine rule, the first oil pipe at the well mouth is provided with an elevator, a rear seat is hung on the upper surface of a blowout preventer at the well mouth, and the device is used for installing a plug valve.

303: and withdrawing the movable connecting pin to enable the movable connecting arm and the connecting component to be in a horizontal position.

304: the hinge of the first semicircular hoop and the second semicircular hoop is opened, the outer wall of the hinge is wrapped on a connecting coupling at the top of a first oil pipe at a wellhead, the hinge is connected, an inner cavity formed by the first semicircular hoop and the second semicircular hoop after connection is tightly attached to the outer wall of the connecting coupling at the top of the oil pipe, and the second circular bead and the third circular bead at the top of the first semicircular hoop and the second semicircular hoop are hung on the connecting coupling at the top of the first oil pipe at the wellhead for limiting the upward movement of the connecting coupling at the top of the connecting oil pipe.

305: the upper end of the limiting hook is connected to the bottom of the detachable hoop, and the lower end of the limiting hook is clamped on a step near an oil pipe and used for limiting the plug valve device to be installed in an auxiliary mode to move upwards. Realize the fixed connection of supplementary installation plug valve device and well head oil pipe.

306: and the connecting arm is rotated upwards by 90 degrees by taking the fixed connecting pin as an axis, and the movable connecting pin is inserted into the first through hole and the third through hole on the side plate and the connecting arm, so that the movable connecting arm is fixedly connected.

307: and the gap bridge nipple is pressed downwards into a connecting coupling at the top of an oil pipe of a wellhead by screwing at least one second handle and rotating the screwing pressing cap clockwise.

308: through screwing the first handle, the gap bridge coupling is rotated clockwise, the gap bridge nipple is driven to rotate clockwise, and connection with the connection coupling at the top of the wellhead oil pipe is achieved. At this time, the connection of the plug valve and the oil pipe in the well is completed.

309: and according to the well shut-in requirement of fine well control, closing the ram block of the blowout preventer and closing the plug valve in sequence, finally closing the well mouth and removing the dangerous case.

And finishing the process of auxiliary plug valve installation.

In this application embodiment, connect the coupling of passing a bridge through the plug valve, take the swing joint round pin out, make portable linking arm and coupling assembling be in horizontal position on, wrap up on the connection coupling of the first oil pipe of well head through first semicircle hoop and second semicircle hoop, the lower extreme card of spacing hook is on near oil pipe's step, the supplementary installation plug valve device rebound of restriction, use the fixed connection round pin of linking arm as the axle, upwards rotatory 90, insert the first through-hole and the third through-hole on curb plate and the linking arm with the swing joint round pin, realize the fixed connection of portable linking arm, accomplish supplementary installation plug valve. The success rate of plug valve installation is promoted, the degree of difficulty and the operational risk of artifical installation plug valve are reduced, make the installation of plug valve easier, shorten the installation time of plug valve.

The above description is only for facilitating the understanding of the technical solutions of the present application by those skilled in the art, and is not intended to limit the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An assistive mounting plug valve device, comprising: the connecting assembly, the detachable hoop, the movable connecting arm and the limiting hook are arranged on the connecting assembly;

the connecting assembly includes: the device comprises a gap bridge coupling, a gap bridge nipple, a floating cylinder, at least one first handle, a screwing pressing cap and at least one second handle;

the top of the bridge coupling is used for connecting a plug valve; the at least one first handle is fixedly connected with the side surface of the gap bridge coupling, and the bottom of the gap bridge coupling is connected with the top of the gap bridge nipple; the bottom of the gap bridge nipple is used for connecting a connecting coupling at the top of an oil pipe;

the tightening pressing cap is arranged at the bottom of the gap bridge coupling and connected with the top of the floating cylinder body, and the gap bridge nipple is arranged in the tightening pressing cap and the floating cylinder body in a penetrating manner and moves relative to the tightening pressing cap and the floating cylinder body; the at least one second handle is connected with the side surface of the screwing and pressing cap;

the movable connecting arm includes: the side plate, the connecting arm, the fixed connecting pin and the movable connecting pin are arranged on the side plate;

the side plate is connected with the outer wall of the detachable hoop, and the detachable hoop is used for wrapping the outer wall of the connecting collar at the top of the oil pipe; the side plate is sequentially provided with a first through hole and a second through hole in the vertical direction, and the first through hole is formed in the upper part of the second through hole;

the side surface of the upper part of the connecting arm is connected with the outer wall of the floating cylinder, and the lower part of the connecting arm is provided with a third through hole matched with the first through hole and a fourth through hole matched with the second through hole;

the fixed connecting pin is used for connecting the lower part of the connecting arm with the side plate through the second through hole and the fourth through hole, and the connecting arm rotates relative to the side plate through the fixed connecting pin;

the movable connecting pin is used for connecting the lower part of the connecting arm with the side plate through the first through hole and the third through hole and fixing the connecting arm and the side plate;

the upper end of the limiting hook is connected with the bottom of the side face of the detachable hoop, and the lower end of the limiting hook is clamped on a step near the oil pipe and used for limiting the auxiliary installation plug valve device to move upwards;

when the plug valve is installed, the top of the bridge collar is connected with the plug valve, and the movable connecting pin is pulled out, so that the connecting arm and the connecting assembly are positioned on the horizontal position; wrapping the outer wall of a connecting collar at the top of the oil pipe through the detachable hoop, rotating the connecting arm upwards by 90 degrees by taking the fixed connecting pin as an axis, and inserting the movable connecting pin into the first through hole and the third through hole; pressing the gap bridge nipple downwards into a connecting coupling at the top of the oil pipe by screwing the at least one second handle; and rotating the gap bridge coupling by screwing the at least one first handle, and driving the gap bridge nipple to rotate by the rotation of the gap bridge coupling so as to connect the gap bridge nipple with the connecting coupling at the top of the oil pipe.

2. An auxiliary installation plug valve device as claimed in claim 1, wherein the gap bridge sub is provided with a first shoulder on the outer wall thereof, the first shoulder being relatively movable between the tightening cap and the floating cylinder.

3. An auxiliary mounting stopcock device in accordance with claim 1 wherein said removable collar comprises: the hinge comprises a first semicircular hoop, a second semicircular hoop and a hinge;

4. The installation-assisted plug valve assembly of claim 3, wherein the top of the first semi-circular collar is provided with a second shoulder and the top of the second semi-circular collar is provided with a third shoulder, the second shoulder and the third shoulder being adapted to limit upward movement of a coupling on the top of the connection tubing.

5. A service mounted stopcock device as in claim 3 wherein said removable collar further comprises: a hinge pin;

6. The auxiliary installation plug valve device of claim 1, wherein the inner wall of the top of the bridge collar is provided with a first thread, and the inner wall of the bottom of the bridge collar is provided with a second thread; a third thread matched with the second thread is arranged on the outer wall of the top of the gap bridge nipple;

the top of the bridge collar is connected with the plug valve through the first thread;

and the bottom of the gap bridge coupling is connected with the top of the gap bridge nipple through the second thread and the third thread.

7. The plug valve installation assisting device of claim 1, wherein the inner wall of the bottom of the screwing pressing cap is provided with a fourth thread, and the inner wall of the top of the floating cylinder body is provided with a fifth thread matched with the fourth thread;

and the bottom of the screwing pressing cap is connected with the top of the floating cylinder body through the fourth thread and the fifth thread.