CN219265591U

CN219265591U - Multipurpose blowout preventer pressing test device

Info

Publication number: CN219265591U
Application number: CN202223243559.6U
Authority: CN
Inventors: 王鑫; 左玉强; 解小丽; 封娟娟; 张子龙
Original assignee: Tianjin Ship Repair Technology Research Institute 6313 Research Institute Of China Shipbuilding Corp
Current assignee: Tianjin Ship Repair Technology Research Institute 6313 Research Institute Of China Shipbuilding Corp
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-27
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a multi-purpose blowout preventer compression test device which comprises a first connector and a second connector. The first connector is formed by connecting a first ladder ring structure and a second ladder ring structure, the second connector is formed by connecting a third ladder ring structure and a fourth ladder ring structure, and the first connector and the second connector are connected with two ends of the blowout preventer. After the pressing test tool is connected with the blowout preventer, the third external thread end and the fifth external thread end are respectively connected with the pressing equipment, then liquid is pressed into the blowout preventer through the center holes of the second step ring structure and the fourth step ring structure, the certain time is kept, and the pressing test is carried out. In addition, can realize being connected with different specification and dimension blowout preventers through the first joint and the second joint go-between that change is connected with the blowout preventer, can be applicable to the equipment of suppressing of different models through the go-between that change is connected with equipment of suppressing.

Description

Multipurpose blowout preventer pressing test device

Technical Field

The utility model relates to a pressing test device, in particular to a multipurpose blowout preventer pressing test tool.

Technical Field

The blowout preventer is a blowout device for closing a wellhead during operations such as oil testing, well repairing, well completion and the like, preventing blowout accidents and controlling high-pressure oil, gas and water; is a safety sealing wellhead device for preventing blowout commonly used in the oilfield industry. The device mainly comprises a ram blowout preventer and an annular blowout preventer, and the corresponding main structure comprises a shell, a side door, an oil cylinder, a cylinder cover, a piston rod, a locking shaft, a sealing element and a ram; shell, cylinder cap, piston, flashboard etc..

The blowout preventer is required to be connected with a pressing device by adopting a special tool, the current blowout preventer is required to be pressed on a specially constructed clamping platform, and the clamping platform is also required to be provided with a hydraulic system, a pressurizing system, a control system and the like, so that the pressing test is large in workload and high in cost, and a large amount of manpower and material resources are consumed by the pressing test of the blowout preventer. On the other hand, the blowout preventer has more specifications and sizes, so that the corresponding tools are more needed, and the actual work is plagued.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a multipurpose blowout preventer compression test device capable of realizing compression tests of blowout preventers with different specifications and sizes.

In order to achieve the purpose of the utility model, the utility model adopts the technical proposal that:

the utility model discloses a multipurpose blowout preventer compression test device, which comprises a first connector and a second connector, wherein the first connector is formed by connecting a first stepped ring structure and a second stepped ring structure, a first through hole is formed in the middle of the first stepped ring structure along the axial direction of the first stepped ring structure, a second through hole is formed in the middle of the second stepped ring structure along the axial direction of the second stepped ring structure, an external thread is arranged on the outer wall of the small diameter end of the first stepped ring structure to form a first external thread end, the first external thread end is in threaded connection with an internal threaded hole of the blowout preventer, the first through hole at the large diameter end of the first stepped ring structure is provided with an internal threaded hole of the first connector, the external threads are respectively formed on the outer wall of the large diameter end of the second stepped ring structure and the outer wall of the small diameter end of the second stepped ring structure, the second external thread end is connected with an internal threaded hole of the first connector in a welded mode, and the third external thread end is connected with an internal threaded hole of the compression device in a threaded mode;

the second connector is formed by connecting a third stepped ring structure and a fourth stepped ring structure, a third through hole is formed in the middle of the third stepped ring structure along the axial direction of the third stepped ring structure, a fourth through hole is formed in the middle of the fourth stepped ring structure along the axial direction of the fourth stepped ring structure, an inner threaded section is arranged on the third through hole at the large diameter end of the third stepped ring structure to form a first inner threaded hole section, the first inner threaded hole section is in threaded connection with an outer threaded hole of a blowout preventer, a second inner threaded hole section is formed on the third through hole at the small diameter end of the third stepped ring structure, outer threads are respectively arranged on the outer wall of the large diameter end of the fourth stepped ring structure and the outer wall of the small diameter end of the fourth stepped ring structure to form a fourth outer threaded end and a fifth outer threaded end, the fourth outer threaded end is in threaded connection with the second inner threaded section and is in welded connection with the inner threaded hole of a pressing device.

Compared with the prior art, the utility model has the remarkable advantages that: simple connection, convenient use, good sealing performance and reliable test result. In addition, can realize being connected with different specification and dimension blowout preventers through the first joint and the second joint that change is connected with the blowout preventer, can be applicable to the equipment of pressing of different models through the go-between that the change is connected with equipment of pressing, frock suitability is strong.

Drawings

FIG. 1 is a schematic structural view of a first joint of a multi-purpose blowout preventer compression testing apparatus of the present utility model connected to a threaded end within a blowout preventer;

FIG. 2 is a schematic structural view of a second joint of the multi-purpose blowout preventer compression testing apparatus of the present utility model connected to the externally threaded end of the blowout preventer;

FIG. 3 is a schematic illustration of the first joint of FIG. 1 and the second joint of FIG. 2 assembled with a blowout preventer.

Detailed Description

The structure of the present utility model will be described with reference to the accompanying drawings.

As shown in the attached drawing, the multipurpose blowout preventer compression test device comprises a first connector and a second connector, wherein the first connector is formed by connecting a first stepped ring structure b and a second stepped ring structure a, a first through hole is formed in the middle of the first stepped ring structure b along the axial direction of the first stepped ring structure, a second through hole is formed in the middle of the second stepped ring structure b along the axial direction of the second stepped ring structure a, an external thread is arranged on the outer wall of the small-diameter end of the first stepped ring structure b to form a first external thread end 4, and the first external thread end 4 is in threaded connection with an internal thread hole of the blowout preventer. The first through hole of the diameter big end department of first ladder ring structure set up to the internal thread hole 3 of first joint the outer wall of the diameter big end of second ladder ring structure on and the outer wall of diameter little end on all be provided with the external screw thread and form second external screw thread end 2, third external screw thread end 1 respectively, second external screw thread end 2 and the internal thread hole 3 threaded connection of first joint, and welding link to each other, guarantee the leakproofness. The third external thread end 1 is connected with an internal thread hole of the pressing device.

The second connector is formed by connecting a third stepped ring structure d and a fourth stepped ring structure c, a third through hole is formed in the middle of the third stepped ring structure along the axial direction of the third stepped ring structure d, a fourth through hole is formed in the middle of the fourth stepped ring structure along the axial direction of the fourth stepped ring structure c, an internal thread section is arranged on the third through hole at the large diameter end of the third stepped ring structure to form a first internal thread hole section 8, and the first internal thread hole section 8 is in threaded connection with an external thread hole of the blowout preventer. The third through hole at the small diameter end of the third stepped ring structure is provided with a second internal thread section to form a second internal thread hole section 7, external threads are respectively formed on the outer wall of the large diameter end of the fourth stepped ring structure and the outer wall of the small diameter end to form a fourth external thread end 6 and a fifth external thread end 5, and the fourth external thread end 6 is in threaded connection with the second internal thread hole section 7 and is welded and connected with the second internal thread hole section 7, so that tightness is guaranteed. The fifth external thread end 5 is connected with an internal thread hole of the pressing device.

The device can carry out a pressing test through the corresponding pressing device after the assembly according to the structure is completed. The third external thread end 1 and the fifth external thread end 5 are respectively connected with a pressing device, and then the pressing device presses liquid into the blowout preventer through the central holes of the second stepped ring structure a and the fourth stepped ring structure c, and the pressing device is kept for a certain time to perform a pressing test.

Although the preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the appended claims, which are within the scope of the present utility model.

Claims

1. The utility model provides a multipurpose blowout preventer is beaten and is tested device, includes first joint and second joint, first joint by first ladder ring structure (b) and second ladder ring structure (a) connect and constitute, along the axial of first ladder ring structure in first ladder ring structure centre open and have first through-hole, along the axial of second ladder ring structure in second ladder ring structure centre open and have the second through-hole, be provided with the external screw thread on the outer wall of the diameter tip of first ladder ring structure and form first external screw thread end (4), first external screw thread end and the internal screw hole threaded connection of blowout preventer, first through-hole department of diameter tip of first ladder ring structure set up to the internal screw hole (3) of first joint, all be provided with the external screw thread on the outer wall of diameter tip of second ladder ring structure and the outer wall of diameter tip respectively and form second external screw thread end (2), third external screw thread end (1), second external screw thread end and the internal screw thread threaded connection of first joint, and the internal screw thread of welding connect with the internal screw thread of third end and the internal screw thread of threaded connection equipment carry out;

the second connector is formed by connecting a third stepped ring structure (d) and a fourth stepped ring structure (c), a third through hole is formed in the middle of the third stepped ring structure along the axial direction of the third stepped ring structure, a fourth through hole is formed in the middle of the fourth stepped ring structure along the axial direction of the fourth stepped ring structure, an inner thread section is arranged on the third through hole at the large diameter end of the third stepped ring structure to form a first inner thread hole section (8), the first inner thread hole section is in threaded connection with an outer thread hole of a blowout preventer, a second inner thread section (7) is formed on the third through hole at the small diameter end of the third stepped ring structure, an outer thread is respectively formed on the outer wall of the large diameter end of the fourth stepped ring structure and an outer wall of the small diameter end to form a fourth outer thread end (6) and a fifth outer thread end (5), the fourth outer thread end is in threaded connection with the second inner thread hole section and welded connection with the second inner thread hole section, and the fifth outer thread end is in threaded connection with a threaded hole of a device.