CN217717318U

CN217717318U - Special device for pressure test of petroleum underground operation

Info

Publication number: CN217717318U
Application number: CN202221805416.7U
Authority: CN
Inventors: 周海峰; 高现宾; 刘福刚; 杨有强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-01
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a petroleum borehole operation pressure testing isolated plant, including the main part mechanism, set up in the fixed establishment at main part mechanism top, and set up in the pressure boost mechanism of main part mechanism one side, the main part mechanism, it includes the pressure test case, set up in the inside division board of pressure test case, and set up in the pressure testing chamber of division board both sides, pressure boost mechanism, it includes: the booster pump set up in pressure testing case one side, set up in the first trachea at booster pump top, and set up in the partial pressure subassembly at first trachea top. The utility model discloses when using, put into the inside pressure testing intracavity portion of pressure testing case with a plurality of borehole operation devices that need the pressure testing after, separate spacingly through the baffle, the booster pump carries out the pressure boost to a plurality of pressure testing chambeies through the three-way pipe simultaneously, and the adjustment of accessible pressure regulating valve is sent into the pressure of different pressure testing intracavity portions simultaneously to the adaptation carries out the pressure testing to the device of different pressure demands.

Description

Special device for pressure test of petroleum underground operation

Technical Field

The utility model relates to an operation technical field in the pit, in particular to oil borehole operation pressure testing isolated plant.

Background

The underground operation is a technical means for ensuring normal production of an oil-water well in the process of oil field exploration and development, mainly comprises maintenance of the oil-water well, overhaul of the oil-water well, oil layer reconstruction and oil test, and petroleum and natural gas buried in thousands of meters or thousands of meters underground are valuable underground resources, are indispensable important resources for national modernization construction, cultural life of people and civilization development of human beings, and need a special pressure test device for exploiting petroleum.

Through retrieval, chinese patent publication No. CN212803205U discloses a special tool for pressure testing in oil downhole operation, which comprises an outer frame, a motor is installed on the right side of the upper end of the outer frame, the lower end of the motor is connected with a second threaded rod, a threaded sleeve is sleeved on the second threaded rod, a sliding rod is fixedly connected between the upper end and the lower end of the left side of the outer frame, a sliding sleeve is installed on the sliding rod, a pressure testing container is fixedly connected between the sliding sleeve and the threaded sleeve, the pressure testing container is divided into an upper part and a lower part, an upper flange plate is welded on the lower end of the upper part, a lower flange plate is welded on the upper end of the lower part, a piston is installed inside the pressure testing container, a piston rod is rotatably connected to the upper end of the piston, a sealing cover is installed on the upper end of the pressure testing container, a packing box is installed on the upper end of the sealing cover, the piston rod is installed inside the packing box, a supporting frame is installed on the upper end of the pressure testing container, a first threaded rod is installed on the supporting frame, and a device fixedly connected with the lower end of the piston rod. The above patents suffer from the following disadvantages: when putting into the pressure testing container with the device inside carrying out the pressure testing, the pressure testing container is difficult to once only carry out the pressure testing to the device of different pressure testing demands:

therefore, the special device for pressure test of the petroleum underground operation is provided.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention is intended to provide a special device for pressure testing in oil downhole operation, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a useful choice.

The embodiment of the utility model provides a technical scheme is so realized: the utility model provides a petroleum borehole operation pressure testing isolated plant, includes main body mechanism, set up in the fixed establishment at main body mechanism top, and set up in the pressurization mechanism of main body mechanism one side, main body mechanism, it includes the pressure testing case, set up in the inside division board of pressure testing case, and set up in the pressure testing chamber of division board both sides, pressurization mechanism, it includes: the booster pump set up in pressure testing case one side, set up in the first trachea at booster pump top, and set up in the partial pressure subassembly at first trachea top.

In some embodiments, the fixing mechanism includes a fixing frame disposed at the top of the pressure testing box, a cylinder disposed at the bottom of the fixing frame, and a pressing assembly disposed at the bottom of the cylinder.

In some embodiments, the pressing assembly includes a pressing plate disposed at the bottom of the cylinder, and a buffer plate disposed at the bottom of the pressing plate.

In some embodiments, the inner wall of the pressure test cavity is provided with a buffer strip, and the bottom of the pressure test cavity is provided with a memory sponge block.

In some embodiments, the top of the pressure test box is provided with a fixed plate, and one end of the bottom of the fixed plate is provided with a sealing door.

In some embodiments, the sealing door is provided with a sealing plate on one side and a handle on the other side.

In some embodiments, the top of the pressure test box is provided with a pressure relief pipe, and one side of the pressure relief pipe is provided with a pressure relief valve.

In some embodiments, the pressure divider assembly comprises a tee pipe disposed at the top of the first gas pipe, a pressure regulating valve disposed at one end of the tee pipe, and a second gas pipe disposed at one end of the pressure regulating valve.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

1. the utility model provides a petroleum borehole operation pressure testing isolated plant, when using, puts into the inside back of pressure testing chamber of pressure testing incasement portion with a plurality of borehole operation devices that need the pressure testing, separates spacingly through the baffle, prevents that it from taking place to remove, and the booster pump carries out the pressure boost to a plurality of pressure testing chambers through the three-way pipe simultaneously, and the accessible pressure regulating valve adjustment simultaneously is sent into the pressure of different pressure testing intracavity portions to the adaptation carries out the pressure testing to the device of different pressure demands.

2. The utility model provides a petroleum borehole operation pressure testing isolated plant, when using, the cylinder is flexible moves the holding down plate of bottom downwards, fixes the device of required pressure testing, prevents that it from taking place to remove, and the buffer board of holding down the bottom of the board cushions the device when fixed simultaneously, prevents to cause the damage to the device.

3. The utility model provides a petroleum borehole operation pressure testing isolated plant, when using, places at the inside back of pressure testing intracavity when the device, and memory sponge piece sinks fixedly along with the device shape, and the device is taken out the back and is kick-backed to initial condition, conveniently carries out next time fixedly.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a special device for pressure testing in oil downhole operation;

FIG. 2 is a schematic view of a cross-sectional structure of a special device for pressure testing in downhole petroleum operations, which is provided by the utility model;

fig. 3 is the utility model provides a back structure schematic diagram of oil borehole operation pressure testing isolated plant.

Reference numerals are as follows:

in the figure: 100. a main body mechanism; 101. a pressure testing box; 102. a pressure testing cavity; 103. a partition plate; 104. a buffer strip; 105. a memory sponge block; 106. a pressure relief pipe; 107. a pressure relief valve; 108. a sealing door; 109. sealing plates; 110. a handle; 111. a fixing sheet; 200. a fixing mechanism; 201. a fixed mount; 202. a cylinder; 203. pressing the assembly; 203a, a lower pressing plate; 203b, a buffer plate; 300. a pressurization mechanism; 301. a booster pump; 302. a first air pipe; 303. a voltage dividing assembly; 303a, a three-way pipe; 303b, a pressure regulating valve; 303c, a second trachea.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 to 3, a special device for testing pressure in oil downhole operation comprises a main body mechanism 100, a fixing mechanism 200 fixed on the top of the main body mechanism 100 by bolts, and a pressurizing mechanism 300 fixed on one side of the main body mechanism 100 by bolts, wherein the main body mechanism 100 comprises: pressure testing case 101 welds in the inside division board 103 of pressure testing case 101 to and set up in the pressure testing chamber 102 of division board 103 both sides, put into the inside pressure testing chamber 102 back of pressure testing case 101 with a plurality of borehole operation devices that need the pressure testing, separate spacingly through baffle 103, booster mechanism 300, it includes: the booster pump 301 that the bolt was fixed in pressure testing case 101 one side, threaded connection is in the first trachea 302 at booster pump 301 top, and threaded connection is in the partial pressure subassembly 303 at first trachea 302 top, partial pressure subassembly 303 includes the three-way pipe 303a of threaded connection in first trachea 302 top, threaded connection is in the air-vent valve 303b of three-way pipe 303a one end, and threaded connection is in the second trachea 303c of air-vent valve 303b one end, booster pump 301 pressurizes a plurality of pressure testing chamber 102 through three-way pipe 303a, can send into the inside pressure in different pressure testing chamber 102 through the air-vent valve 303b adjustment simultaneously, in order to adapt to carry out the pressure testing to the device of different pressure demands.

In this embodiment: when the pressure testing device is used, a plurality of underground operation devices needing pressure testing are placed in the pressure testing cavities 102 inside the pressure testing box 101, the baffle 103 is used for separating and limiting, the pressure testing cavities 102 are prevented from moving, meanwhile, the pressure boosting pump 301 boosts the pressure of the pressure testing cavities 102 through the three-way pipe 303a, and meanwhile, the pressure of the pressure testing cavities 102 can be adjusted and sent into different pressure testing cavities 102 through the pressure regulating valve 303b, so that the pressure testing device is suitable for testing the pressure of devices with different pressure requirements.

Example 2:

the special device for pressure test in petroleum downhole operation is improved on the basis of embodiment 1, as shown in fig. 1-3, a fixing mechanism 200 comprises a fixing frame 201 fixed on the top of a pressure test box 101 through bolts, a cylinder 202 fixed on the bottom of the fixing frame 201 through bolts, and a pressing assembly 203 welded on the bottom of the cylinder 202, the pressing assembly 203 comprises a pressing plate 203a welded on the bottom of the cylinder 202, the cylinder 202 stretches and retracts to move the pressing plate 203a at the bottom downwards, a device to be tested is fixed and prevented from moving, and a buffer plate 203b bonded on the bottom of the pressing plate 203a, and the buffer plate 203b at the bottom of the pressing plate 203a buffers when the device is fixed.

In this embodiment, the bonding of pressure testing chamber 102 inner wall has buffer strip 104, and pressure testing chamber 102 bottom bonding has memory sponge piece 105, places at the inside back in pressure testing chamber 102 when the device, and memory sponge piece 105 sinks fixedly along with the device shape, and the device is taken out the back and is kick-backed to initial condition, conveniently carries out next time fixedly.

In this embodiment, the top of the pressure testing box 101 is welded with a fixing plate 111, one end of the bottom of the fixing plate 111 is rotatably connected with a sealing door 108, one side of the sealing door 108 is bonded with a sealing plate 109, the other side of the sealing door 108 is welded with a handle 110, when pressure testing is carried out again, the pressure testing cavity 102 is sealed through the sealing door 108, meanwhile, the sealing plate 109 on one side of the sealing door 108 is sealed at an edge, and the sealing plate 109 is preferably a rubber plate.

In this embodiment, the top of pressure testing case 101 has pressure release pipe 106 in threaded connection, and pressure release pipe 106 one side welding has relief valve 107, and after the pressure testing was accomplished, release relief valve 107 for internal pressure carries out the pressure release through pressure release pipe 106.

In this embodiment: when the device is used, the cylinder 202 stretches to move the lower pressing plate 203a at the bottom downwards to fix the device to be tested, so that the device to be tested is prevented from moving, and meanwhile, the buffer plate 203b at the bottom of the lower pressing plate 203a buffers the device when the device is fixed, so that the device is prevented from being damaged.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a petroleum borehole operation pressure testing isolated plant, includes main body mechanism (100), set up in fixed establishment (200) at main body mechanism (100) top, and set up in supercharging mechanism (300) of main body mechanism (100) one side, its characterized in that: a body mechanism (100) comprising: the pressure test device comprises a pressure test box (101), a partition plate (103) arranged in the pressure test box (101), and pressure test cavities (102) arranged on two sides of the partition plate (103); a pressurization mechanism (300) comprising: the device comprises a booster pump (301) arranged on one side of a pressure testing box (101), a first air pipe (302) arranged at the top of the booster pump (301), and a pressure dividing assembly (303) arranged at the top of the first air pipe (302).

2. The special device for testing the pressure in the oil downhole operation according to claim 1, wherein the fixing mechanism (200) comprises a fixing frame (201) arranged at the top of the pressure testing box (101), a cylinder (202) arranged at the bottom of the fixing frame (201), and a pressing assembly (203) arranged at the bottom of the cylinder (202).

3. The special device for testing the pressure of the oil downhole operation according to claim 2, wherein the pressing assembly (203) comprises a pressing plate (203 a) arranged at the bottom of the cylinder (202), and a buffer plate (203 b) arranged at the bottom of the pressing plate (203 a).

4. The special device for pressure test of petroleum downhole operation according to claim 1, wherein the inner wall of the pressure test cavity (102) is provided with a buffer strip (104), and the bottom of the pressure test cavity (102) is provided with a memory sponge block (105).

5. The special device for pressure test of petroleum downhole operation according to claim 1, wherein a fixed plate (111) is arranged at the top of the pressure test box (101), and a sealing door (108) is arranged at one end of the bottom of the fixed plate (111).

6. The special device for pressure test of petroleum downhole operation according to claim 5, wherein a sealing plate (109) is arranged on one side of the sealing door (108), and a handle (110) is arranged on the other side of the sealing door (108).

7. The special device for pressure testing of petroleum downhole operation according to claim 1, wherein a pressure relief pipe (106) is arranged at the top of the pressure testing box (101), and a pressure relief valve (107) is arranged on one side of the pressure relief pipe (106).

8. The special device for pressure testing in petroleum downhole operation as claimed in claim 1, wherein the pressure dividing assembly (303) comprises a three-way pipe (303 a) arranged at the top of the first gas pipe (302), a pressure regulating valve (303 b) arranged at one end of the three-way pipe (303 a), and a second gas pipe (303 c) arranged at one end of the pressure regulating valve (303 b).