CN215763518U

CN215763518U - Continuous circulating valve for oilfield exploitation

Info

Publication number: CN215763518U
Application number: CN202121388042.9U
Authority: CN
Inventors: 余星葵; 周军
Original assignee: Tianjin Yingpaite High Tech Co ltd
Current assignee: Tianjin Yingpaite High Tech Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-02-08
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of oilfield exploitation equipment, in particular to a continuous circulating valve for oilfield exploitation, which comprises a valve body and a connecting pipeline in matched connection with the valve body, wherein sealing sleeve gaskets are arranged at two ends of the outer surface of the valve body, a plurality of cavities are formed inside the two sealing sleeve gaskets, and the sealing sleeve gaskets are positioned between the valve body and the connecting pipeline. The utility model has the advantages that: set up the sealed cover pad through the both ends at valve body surface, the draw-in groove is seted up in the both sides of valve body surface, set up the fixture block in one side of sealed cover pad inner wall, fixture block and draw-in groove looks joint, reach the purpose of fixed seal cover pad position, inside at the sealed cover pad sets up a plurality of cavitys, when using, the sealed cover pad of being convenient for carries out compression deformation, after with the connecting tube cooperation, can seal the gap between the two, and make whole valve body can with the connecting tube cooperation installation of a plurality of sizes, satisfy the needs of in-service use.

Description

Continuous circulating valve for oilfield exploitation

Technical Field

The utility model relates to the technical field of oilfield exploitation equipment, in particular to a continuous circulating valve for oilfield exploitation.

Background

The circulating valve is used in the drilling process of the oil and gas well, such as well drilling, well repairing, well washing and well completion, so as to ensure the pressure of the drilling fluid in the well and further avoid the occurrence of underground safety accidents.

The continuous circulating valve suitable for oil-gas drilling is simple in structure, all components are matched and clamped with each other, so that maintenance is facilitated, drilling fluid is injected into a well through a central hole of an assembly shell, and drilling fluid can also be injected into the well through a bypass radial liquid inlet hole, so that the underground pressure can be effectively guaranteed, underground accidents are avoided, and the safety of the oil-gas well is improved; meanwhile, suspended matter impurities in the drilling fluid can be secondarily filtered through the filter screen, but the continuous circulating valve applicable to oil and gas drilling still has the following defects while solving the problems:

at present use the bolt to be in the same place valve body and corresponding pipeline fixed connection for its leakproofness is relatively poor, the condition of leaking appears easily, and because the impact that the valve body is inside to be received is great, very easily the condition that the valve body wall is cracked appears, present valve body can not protect the outer wall, can cause the casualties.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, provides a continuous circulating valve for oil field exploitation, and effectively overcomes the defects of the prior art.

The purpose of the utility model is realized by the following technical scheme: the utility model provides an oil field is opened and is adopted continuous circulation valve, including the valve body and with the connecting tube that the cooperation of valve body is connected, the both ends of valve body surface all are provided with sealed cover and fill up, two the inside of sealed cover pad is formed with a plurality of cavitys, sealed cover is filled up and is located between valve body and the connecting tube, the middle part of valve body surface is provided with a plurality of guard plates.

Optionally, flanges are arranged at two ends of the outer surface of the valve body, two flanges are recessed inwards in the outer side of the outer surface of the flange to form a groove, a plurality of clamping grooves are formed in two sides of the outer surface of the valve body, the sealing sleeve gasket is conveniently placed and clamped, and the structure of the valve body meets the requirements of actual use.

Optionally, two the shape of sealed cover pad cross section is the L type, two the equal joint in limit of buckling of sealed cover pad is in the inside of recess, two the sealed cover pad is kept away from the one end of the limit inner wall of buckling and is provided with a plurality of fixture blocks, and is a plurality of the fixture block respectively with a plurality of the joint of draw-in groove looks, fixture block and draw-in groove looks joint reach the purpose of fixed sealed cover pad position.

Optionally, it is a plurality of the inside of cavity is cyclic annular, and is a plurality of cavity evenly distributed is in the inside of sealed sleeve gasket, when using, the sealed sleeve gasket of being convenient for carries out compressive deformation, after with the connecting tube cooperation, can seal the gap between the two, and make whole valve body can with the connecting tube cooperation installation of a plurality of sizes, satisfy the needs of in-service use.

Optionally, it is a plurality of the shape of guard plate is the arc, and is a plurality of the length of guard plate all is less than the length of standing groove, when using, sets up a plurality of guard plates, can reach the purpose of protecting the surface of valve body, makes things convenient for the user to use, and whole device simple structure is convenient for assemble whole device.

Optionally, two the flange is kept away from one side fixedly connected with of recess surface is a plurality of seats that clamp, and is a plurality of clamp two between two pairs of joints of seat have the connecting rod, and is a plurality of the standing groove has all been seted up to the both sides of connecting rod top surface, and is a plurality of set up in the standing groove between two pairs of connecting rods be the guard plate, the length of standing groove is greater than half of connecting rod length, and is less than the length of connecting rod is convenient for carry out fixed mounting to the connecting rod, simultaneously, when using, makes the guard plate have certain adjustment space, is convenient for protect the different positions of valve body.

The utility model has the following advantages:

1. this oil field is opened and is adopted continuous circulation valve, set up the sealed sleeve pad through the both ends at valve body surface, wherein, the draw-in groove is seted up respectively in the both sides of valve body surface, one side at sealed sleeve pad inner wall sets up the fixture block, fixture block and draw-in groove looks joint, reach the purpose of fixed sealed sleeve pad position, and simultaneously, inside at the sealed sleeve pad sets up a plurality of cavitys, when using, the sealed sleeve pad of being convenient for carries out compression deformation, after with the connecting tube cooperation, can seal the gap between the two, and make whole valve body can with the connecting tube cooperation installation of a plurality of sizes, satisfy the needs of in-service use.

2. This oil field is opened and is adopted continuous circulation valve, through set up a plurality of seats that clamp between the both sides at the valve body surface, fixedly connected with connecting rod clamping between the seat, be provided with the standing groove in the both sides of connecting rod top surface, be provided with the guard plate between the standing groove of two adjacent connecting rods, wherein, when using, set up a plurality of guard plates, can reach the purpose of protecting the surface of valve body, make things convenient for the user to use, and whole device simple structure is convenient for assemble whole device.

Drawings

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

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

FIG. 3 is a schematic structural view of the valve body of the present invention;

FIG. 4 is a schematic view of the seal cartridge of the present invention;

FIG. 5 is a schematic cross-sectional view of a sealing gasket of the present invention;

fig. 6 is a schematic structural view of the connecting rod of the present invention.

In the figure: 1-valve body, 2-connecting pipe, 3-connecting rod, 4-protection plate, 5-sealing sleeve gasket, 6-placing groove, 7-clamping seat, 8-clamping groove, 9-clamping block and 10-cavity.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 6, a continuous circulation valve for oil field exploitation comprises a valve body 1 and a connecting pipeline 2 connected with the valve body 1 in a matching manner, sealing sleeve gaskets 5 are arranged at two ends of the outer surface of the valve body 1, a plurality of cavities 10 are formed inside the two sealing sleeve gaskets 5, the sealing sleeve gaskets 5 are located between the valve body 1 and the connecting pipeline 2, and a plurality of protection plates 4 are arranged in the middle of the outer surface of the valve body 1.

As an optional technical scheme of the utility model, the two ends of the outer surface of the valve body 1 are provided with the flanges, the outer sides of the outer surfaces of the two flanges are both inwards concave to form the grooves, and the two sides of the outer surface of the valve body 1 are both provided with the plurality of clamping grooves 8, wherein the arrangement of the grooves and the clamping grooves 8 is convenient for the integrity of the two parts after being assembled, meets the use requirement, and is also convenient for being fixedly installed together with the connecting pipeline 2.

The cross sections of the two sealing sleeve gaskets 5 are L-shaped, the bending edges of the two sealing sleeve gaskets 5 are clamped in the grooves, a plurality of clamping blocks 9 are arranged at one ends, far away from the inner walls of the bending edges, of the two sealing sleeve gaskets 5, and the clamping blocks 9 are respectively clamped with the clamping grooves 8.

The plurality of cavities 10 are all annular, and the plurality of cavities 10 are uniformly distributed in the sealing sleeve gasket 5, so that as an optional technical scheme of the utility model, enough compression space is ensured when the sealing sleeve gasket 5 is installed, and the valve body 1 can be matched and assembled with the connecting pipelines 2 with a plurality of sizes.

The shape of a plurality of protection plates 4 is arc, and the length of a plurality of protection plates 4 is less than the length of standing groove 6.

As an optional technical scheme of the utility model, when the valve body 1 is broken, the protective plate 4 is moved to a corresponding position, when the valve body 1 is broken, fragments or liquid can be blocked, wherein when the connecting rods 3 and the protective plate 4 are installed, the connecting seats are ensured to be firmly connected, and the condition of looseness is avoided.

A continuous circulating valve for oilfield exploitation specifically comprises the following use steps:

1) clamping the sealing sleeve gasket 5 outside the valve body 1;

2) then fixedly connecting the connecting pipeline 2 with two ends of the valve body 1;

3) according to the actual situation, the position of the protection plate 4 is adjusted.

The working process of the utility model is as follows: when a user uses the valve, the sealing sleeve gaskets 5 are arranged at the two ends of the outer surface of the valve body 1, wherein the clamping grooves 8 are respectively arranged at the two sides of the outer surface of the valve body 1, the clamping block 9 is arranged at one side of the inner wall of the sealing sleeve gasket 5, the clamping block 9 is clamped with the clamping grooves 8, so as to achieve the purpose of fixing the position of the sealing sleeve gasket 5, meanwhile, a plurality of cavities 10 are arranged in the sealing sleeve gasket 5, when the valve is used, the sealing sleeve gasket 5 is convenient to compress and deform, after being matched with the connecting pipeline 2, gaps between the connecting pipeline and the connecting gasket can be sealed, the whole valve body can be matched and installed with the connecting pipelines 2 with a plurality of sizes, the requirement of actual use is met, a plurality of clamping seats 7 are arranged between the two sides of the outer surface of the valve body, connecting rods 3 are fixedly connected between the clamping seats 7, the placing grooves 6 are arranged at the two sides of the top surface of the connecting rods 3, and a protection plate 4 is arranged between the placing grooves of two adjacent connecting rods 3, wherein, when using, set up a plurality of guard plates 4, can reach the purpose of protecting the surface of valve body, make things convenient for the user of service to use, and whole device simple structure is convenient for assemble whole device.

The working principle of the utility model is the same as that of the continuous circulating valve suitable for oil-gas drilling disclosed in the Chinese patent CN211549625U, and the utility model only improves the external structure of the continuous circulating valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil field is opened and is adopted continuous cycle valve which characterized in that: including valve body (1), connecting rod (3), standing groove (6) and with connecting tube (2) that valve body (1) cooperation is connected, the both ends of valve body (1) surface all are provided with sealed cover and fill up (5), two the inside of sealed cover pad (5) is formed with a plurality of cavities (10), sealed cover fills up (5) and is located between valve body (1) and connecting tube (2), the middle part of valve body (1) surface is provided with a plurality of guard plates (4).

2. The continuous circulation valve for oilfield development according to claim 1, wherein: the improved valve is characterized in that flanges are arranged at two ends of the outer surface of the valve body (1), grooves are formed in the outer sides of the outer surfaces of the flanges, and a plurality of clamping grooves (8) are formed in two sides of the outer surface of the valve body (1).

3. The continuous circulation valve for oilfield development according to claim 2, wherein: two the shape of sealed cover pad (5) cross section is the L type, two the equal joint in limit of buckling of sealed cover pad (5) is in the inside of recess, two the one end that sealed cover pad (5) kept away from the limit inner wall of buckling is provided with a plurality of fixture blocks (9), and is a plurality of fixture block (9) are respectively with a plurality of draw-in groove (8) looks joint.

4. The continuous circulation valve for oilfield development according to claim 1, wherein: the interiors of the cavities (10) are all annular, and the cavities (10) are uniformly distributed in the sealing sleeve gasket (5).

5. The continuous circulation valve for oilfield development according to claim 1, wherein: the protection plates (4) are all arc-shaped, and the length of the protection plates (4) is smaller than that of the placing groove (6).

6. The continuous circulation valve for oilfield development according to claim 2, wherein: two the flange is kept away from one side fixedly connected with of recess surface is a plurality of clamping seat (7), and is a plurality of clamping seat (7) joint between two liang has connecting rod (3), and is a plurality of standing groove (6) have all been seted up to the both sides of connecting rod (3) top surface, and is a plurality of it is in connecting rod (3) standing groove (6) between two liang sets up protection plate (4), the length of standing groove (6) is greater than half of connecting rod (3) length, and is less than the length of connecting rod (3).