CN217028885U

CN217028885U - Wellhead multi-channel mobile test device

Info

Publication number: CN217028885U
Application number: CN202220454632.5U
Authority: CN
Inventors: 杨军; 刘瀚阳; 张昭兵; 付袁琴; 王文强; 裴东林; 曹阳; 杨勇; 张俊蓝; 张希前; 李宇
Original assignee: Individual
Current assignee: Sinopec Southwest Petroleum Engineering Co ltd; Sinopec Southwest Petroleum Engineering Co Ltd Oilfield Engineering Service Branch
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-22
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to the technical field of petroleum and natural gas exploitation equipment, in particular to a wellhead multichannel movable test device, which comprises a cabinet body, an operating platform and a display screen, wherein the operating platform is positioned at the middle position of a front side plate of the cabinet body; at least one water pump is arranged on the bottom plate of the inner cavity of the cabinet body, the water outlet of the water pump is communicated with a main drainage pipe, at least two sets of external pipe structures are arranged on the main drainage pipe, and the stop valve, the pressure sensor and the pressure relief pipe of the external pipe structures are electrically connected with a controller with a PLC control sheet. The utility model reduces the use cost and shortens the test period.

Description

Wellhead multi-channel mobile test device

Technical Field

The utility model relates to the technical field of petroleum and natural gas exploitation equipment, in particular to a wellhead multi-channel movable testing device which reduces the use cost and shortens the testing period.

Background

In the process of oil and gas exploitation, a blowout preventer group, a throttling kill manifold, an internal control pipeline, a gate valve, a blowout pipeline, a casing head, a tubing head, an oil production tree or a gas production tree and other wellhead devices at a wellhead are subjected to a hydrostatic pressure test in the early stage, namely, a water solution with a certain pressure is filled in the wellhead devices, then pressure is maintained, the use conditions of the wellhead devices are simulated, whether the design pressure can be reached is judged, and the use performance is ensured.

The existing wellhead fluid hydrostatic pressure test device is used for carrying out fluid hydrostatic pressure tests one by one according to the requirements of all parts, time and labor are wasted, and the use cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a wellhead multichannel movable test device which reduces the use cost and shortens the test period aiming at the defects in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a portable testing arrangement of well head multichannel which characterized in that: the intelligent cabinet comprises a cabinet body, an operation table positioned in the middle of a front side plate of the cabinet body, and a display screen positioned at the upper part of the front side plate of the cabinet body, wherein a control button is arranged on the operation table, and the control button and the display screen are both electrically connected with a controller with a PLC control sheet;

the water pump is characterized in that at least one water pump is arranged on a bottom plate of an inner cavity of the cabinet body, a water outlet of the water pump is communicated with a main drainage pipe, at least two sets of external pipe structures are arranged on the main drainage pipe, each external pipe structure comprises a wellhead device external pipe, a feed inlet of the wellhead device external pipe is communicated with a connecting pipe and a pressure relief pipe through a three-way pipe joint, a feed inlet of the connecting pipe is communicated with the main drainage pipe, and a discharge outlet of the pressure relief pipe is communicated with the external atmosphere; a pressure relief valve is arranged on the pressure relief pipe, a stop valve is arranged on the connecting pipe, and a pressure sensor is arranged on an external connecting pipe of the wellhead device; a discharge port of the external connecting pipe of the wellhead device extends out of the side wall of the cabinet body;

the stop valve, the pressure sensor and the pressure relief pipe are electrically connected with a controller with a PLC control sheet.

The utility model has the advantages that: the use cost is reduced and the test period is shortened.

Drawings

FIG. 1 is a schematic view of the exterior of the present invention;

FIG. 2 is a schematic diagram of the piping arrangement of the present invention;

fig. 3 is a control block diagram of the present invention.

Detailed Description

The utility model will now be further elucidated with reference to the following non-limiting embodiment in which the drawing is combined. It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to the attached figures 1 to 3, the wellhead multi-channel mobile testing device is characterized in that: the intelligent cabinet comprises a cabinet body 1, an operating platform 2 positioned in the middle of a front side plate of the cabinet body 1, and a display screen 3 positioned at the upper part of the front side plate of the cabinet body 1, wherein a control button 4 is arranged on the operating platform 2, and the control button 4 and the display screen 3 are both electrically connected with a controller 5 with a PLC control sheet;

at least one water pump 6 is arranged on a bottom plate of an inner cavity of the cabinet body 1, a water outlet of the water pump 6 is communicated with a main drainage pipe 7, at least two sets of external pipe connecting structures 8 are arranged on the main drainage pipe 7, each external pipe connecting structure 8 also comprises a wellhead device external pipe 9, a feed inlet of each wellhead device external pipe 9 is communicated with a connecting pipe 10 and a pressure relief pipe 11 through a three-way pipe joint, the feed inlet of each connecting pipe 10 is communicated with the main drainage pipe 7, and a discharge outlet of each pressure relief pipe 11 is communicated with the external atmosphere; a pressure relief valve 12 is arranged on the pressure relief pipe 11, a stop valve 13 is arranged on the connecting pipe 10, and a pressure sensor 17 is arranged on the external connecting pipe 9 of the wellhead device; a discharge port of the wellhead device external connecting pipe 9 extends out of the side wall of the cabinet body 1;

the stop valve 13, the pressure sensor 17 and the pressure relief pipe 11 are electrically connected with the controller 5 with a PLC control sheet. In this embodiment, the external pipe structure 8 is the best 4 to 6 sets, can carry out hydrostatic pressure test according to the wellhead assembly of difference simultaneously, has shortened test cycle by a wide margin, has reduced use cost. When in use, the structure is placed on a test vehicle.

In order to reduce energy consumption, during the pressure maintaining process of the wellhead device test, the unloading valve 14 is closed, the water pump 6 does not work, and in the above embodiment, preferably: an unloading valve 14 is arranged on the main water discharge pipe 7, and the unloading valve 14 is close to the water outlet end of the water pump 6. In the pressure maintaining test process, the controller 5 with the PLC control sheet controls the unloading valve 14 to be closed, so that energy conservation and consumption reduction are realized.

In order to save time even further, in the above embodiment, it is preferable that: the water pumps 6 are provided with two sets, the water inlets of the two sets of water pumps 6 are communicated through a three-way pipe 15, and when the water pump is used, the water inlets of the three-way pipe 15 are communicated with a water source 16;

the two sets of water pumps 6 have different lifts. In the embodiment, two water pumps 6 are respectively a 3DY-1800/90 fixed electric pressure test pump and a 3DY-230/160 fixed electric pressure test pump with different pressure models. To accommodate different wellhead arrangements.

In order to make the structure more compact, in the above embodiment, it is preferable that: the pressure relief pipe 11 is communicated with a main pressure relief pipe 18, and a discharge hole of the main pressure relief pipe 18 is communicated with the outside atmosphere.

The working principle is as follows: the water pump 6 is each external pipe structure 8 and provides pressure water, and then forms stable pressure water on each independent external pipe structure 8, when stop valve 13 is opened, can spout the high pressure water, at the inside pressure measurement of wellhead assembly, after the experiment purpose is realized to pressurize after a period, opens corresponding relief valve 12, carries out the pressure release to the wellhead assembly of external pipe structure 8 department at present. The pressure sensor 17 feeds real-time pressure signals of all wellhead devices to be tested back to the controller 5 with the PLC control sheet, the controller 5 with the PLC control sheet closes the stop valve 13 according to the feedback signals, testing is conducted for a certain time, and after the testing is finished, the controller 5 with the PLC control sheet controls the pressure release valve 12 to be opened to achieve pressure release.

All components in the above embodiments are commercially available products.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when used in the orientation or positional relationship indicated in the figures, are used merely for convenience in describing the utility model and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. Portable test device of well head multichannel, its characterized in that: the intelligent cabinet comprises a cabinet body (1), an operation table (2) positioned in the middle of a front side plate of the cabinet body (1), and a display screen (3) positioned in the upper part of the front side plate of the cabinet body (1), wherein the operation table (2) is provided with a control button (4), and the control button (4) and the display screen (3) are both electrically connected with a controller (5) with a PLC control sheet;

at least one water pump (6) is arranged on a bottom plate of an inner cavity of the cabinet body (1), a water outlet of the water pump (6) is communicated with a main drainage pipe (7), at least two sets of external pipe structures (8) are arranged on the main drainage pipe (7), each external pipe structure (8) further comprises a wellhead device external pipe (9), a feed inlet of each wellhead device external pipe (9) is communicated with a connecting pipe (10) and a pressure relief pipe (11) through a tee pipe joint, a feed inlet of each connecting pipe (10) is communicated with the main drainage pipe (7), and a discharge outlet of each pressure relief pipe (11) is communicated with the outside atmosphere; a pressure relief valve (12) is arranged on the pressure relief pipe (11), a stop valve (13) is arranged on the connecting pipe (10), and a pressure sensor (17) is arranged on the external connecting pipe (9) of the wellhead device; a discharge hole of the wellhead device external connecting pipe (9) extends out of the side wall of the cabinet body (1);

the stop valve (13), the pressure sensor (17) and the pressure relief pipe (11) are electrically connected with a controller (5) with a PLC control sheet.

2. A wellhead multichannel mobile testing unit according to claim 1, characterised in that: an unloading valve (14) is arranged on the main drainage pipe (7), and the unloading valve (14) is close to the water outlet end of the water pump (6).

3. A wellhead multi-channel mobile testing device according to claim 1 or 2, characterized in that: the water pumps (6) are arranged in two sets, the water inlets of the two sets of water pumps (6) are communicated through a three-way pipe (15), and when the water pump is used, the water inlet of the three-way pipe (15) is communicated with a water source (16);

the two sets of water pumps (6) have different lifts.

4. A wellhead multichannel mobile testing unit according to claim 1, characterised in that: the pressure relief pipe (11) is communicated with a main pressure relief pipe (18), and a discharge hole of the main pressure relief pipe (18) is communicated with the outside atmosphere.