CN212671730U

CN212671730U - Sand control pipe for oil exploitation

Info

Publication number: CN212671730U
Application number: CN202020989169.5U
Authority: CN
Inventors: 张波; 吴昌兴; 曹兴荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-09
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses an oil development sand control pipe, including roof, interior sand section of thick bamboo, reference column, outer sand section of thick bamboo, trompil, recess, screw rod, nut, fixed column, sleeve pipe, barrel, through-hole and end cover. The utility model has simple structure and convenient operation, can filter large sand through the convenient installation of the barrel, can avoid the sand from scouring the sand barrel, prolongs the service life of the sand barrel, can disassemble the barrel to realize the cleaning of the sand after being used, and avoids the sand from blocking the opening hole to influence the flow of petroleum; the utility model discloses a sand section of thick bamboo improves the filter effect of grit in setting up with an outer sand section of thick bamboo to through the rotation of an outer sand section of thick bamboo conveniently adjust the traffic between the trompil, can adjust the use according to the size of grit, be applicable to the filtration of the grit under the different situation, improve the practicality.

Description

Sand control pipe for oil exploitation

Technical Field

The utility model relates to a sand control pipe specifically is an oil development sand control pipe, belongs to oil development application technical field.

Background

The petroleum is a fluid mineral deeply buried underground, in the process of extracting petroleum, the petroleum flows into the well bottom from a reservoir stratum, and rises to the well top from the well bottom, the petroleum is the fluid mineral deeply buried underground, firstly people refer to oily liquid mineral produced in nature as petroleum, refer to combustible gas as natural gas, refer to solid combustible oily mineral as asphalt, and with the further research on the minerals, the petroleum is recognized to belong to hydrocarbon compounds in composition and are mutually connected in cause, so the petroleum is generally called as the petroleum, and the extraction comprises logging engineering, drilling engineering, oil extraction engineering, oil and gas gathering and transportation engineering and the like.

Oil development is the process of exploiting the fluid mineral of underground, contains a large amount of grit in the fluid mineral of oil development later stage, can carry the grit to the shaft bottom along with in the exploitation and cause the jam, is unfavorable for separating the grit, and when carrying out the grit separation, is unfavorable for the filtration to the grit of equidimension not, is unfavorable for adjusting when operating in the pit of difference. Therefore, the sand control pipe for oil exploitation is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil development sand control pipe just for solving above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a sand control pipe for oil exploitation, which comprises an inner sand cylinder arranged at the bottom of a top plate, an adjusting mechanism and a filtering mechanism;

the adjusting mechanism comprises an outer sand cylinder, a screw rod and a bolt, the inner part of the outer sand cylinder is sleeved with the inner sand cylinder, the top of the outer sand cylinder is provided with a groove matched with the positioning column, the outer sand cylinder, the inner sand cylinder and the top plate are all in through connection with the screw rod, and the bottom end of the screw rod is in threaded connection with a nut;

the filtering mechanism comprises a fixing column, a sleeve and a barrel body, the fixing column is fixedly connected with the bottom end of the inner sand barrel, the fixing column is in threaded sleeve connection with the inner portion of the sleeve, the bottom end of the barrel body is in through connection with the fixing column, and through holes which are evenly distributed are formed in the surface of the barrel body.

Preferably, interior sand section of thick bamboo cup joints each other with outer sand section of thick bamboo, interior sand section of thick bamboo outer wall and outer sand section of thick bamboo inner wall laminate each other, and interior sand section of thick bamboo and outer sand section of thick bamboo are all seted up a plurality of and are heliciform evenly distributed's trompil, and correspond each other between the trompil.

Preferably, interior sand section of thick bamboo and outer sand section of thick bamboo top all are equipped with the ring, interior sand section of thick bamboo top fixedly connected with a plurality of is circular structure evenly distributed's reference column, and laminates each other between interior sand section of thick bamboo, outer sand section of thick bamboo top and the roof and connect.

Preferably, the top end of the barrel body is in through connection with the end part of the screw rod, the bottom end of the barrel body is in contact with the inner sand barrel, and the inside of the barrel body is sleeved with the outer sand barrel.

Preferably, the sleeve is in threaded connection with the fixed column, and the end of the sleeve is in contact with the bottom end of the cylinder body.

Preferably, the nut is positioned between the outer sand cylinder and the cylinder body, and the nut is in contact with the surface of the outer sand cylinder.

The utility model has the advantages that:

1. the utility model has simple structure and convenient operation, can filter large sand through the convenient installation of the barrel, can avoid the sand from scouring the sand barrel, prolongs the service life of the sand barrel, can disassemble the barrel to realize the cleaning of the sand after being used, and avoids the sand from blocking the opening hole to influence the flow of petroleum;

2. the utility model discloses a sand section of thick bamboo improves the filter effect of grit in setting up with an outer sand section of thick bamboo to through the rotation of an outer sand section of thick bamboo conveniently adjust the traffic between the trompil, can adjust the use according to the size of grit, be applicable to the filtration of the grit under the different situation, improve the practicality.

Drawings

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

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

FIG. 2 is a schematic view of the external front view structure of the present invention;

fig. 3 is a schematic view of the overlooking structure of the external sand cylinder of the present invention.

In the figure: 1. roof, 2, interior sand section of thick bamboo, 3, reference column, 4, outer sand section of thick bamboo, 5, trompil, 6, recess, 7, screw rod, 8, nut, 9, fixed column, 10, sleeve pipe, 11, barrel, 12, through-hole, 13, end cover.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, an oil exploitation sand prevention pipe comprises an inner sand cylinder 2 installed at the bottom of a top plate 1, an adjusting mechanism and a filtering mechanism;

the adjusting mechanism comprises an outer sand cylinder 4, a screw rod 7 and a bolt, the inner part of the outer sand cylinder 4 is sleeved with an inner sand cylinder 2, the top of the outer sand cylinder 4 is provided with a groove 6 matched with the positioning column 3, the outer sand cylinder 4, the inner sand cylinder 2 and the top plate 1 are all in through connection with the screw rod 7, and the bottom end of the screw rod 7 is in threaded connection with a nut 8;

the filtering mechanism comprises a fixing column 9, a sleeve 10 and a barrel body 11, the fixing column 9 is fixedly connected with the bottom end of the inner sand barrel 2, the fixing column 9 is in threaded sleeve connection with the inner portion of the sleeve 10, the bottom end of the barrel body 11 is in through connection with the fixing column 9, and through holes 12 which are evenly distributed are formed in the surface of the barrel body 11.

The inner sand cylinder 2 and the outer sand cylinder 4 are sleeved with each other, the outer wall of the inner sand cylinder 2 is attached to the inner wall of the outer sand cylinder 4, the inner sand cylinder 2 and the outer sand cylinder 4 are both provided with a plurality of spiral uniformly-distributed openings 5, and the openings 5 correspond to each other; the top parts of the inner sand cylinder 2 and the outer sand cylinder 4 are both provided with circular rings, the top part of the inner sand cylinder 2 is fixedly connected with a plurality of positioning columns 3 which are uniformly distributed in a circular structure, and the top parts of the inner sand cylinder 2 and the outer sand cylinder 4 and the top plate 1 are mutually attached and connected; the top end of the barrel body 11 is connected with the end part of the screw 7 in a penetrating way, the bottom end of the barrel body 11 is contacted with the inner sand barrel 2, and the inside of the barrel body 11 is sleeved with the outer sand barrel 4; the sleeve 10 is in threaded connection with the fixed column 9, and the end part of the sleeve 10 is in contact with the bottom end of the cylinder body 11; the nut 8 is positioned between the outer sand cylinder 4 and the cylinder body 11, and the nut 8 is in contact with the surface of the outer sand cylinder 4.

The utility model discloses when using, cup joint outer sand section of thick bamboo 4 on inner sand section of thick bamboo 2, when the 4 tops of outer sand section of thick bamboo supported inner sand section of thick bamboo 2, make the cooperation of reference column 3 and recess 6 realize the joint, avoid inner sand section of thick bamboo 2 to take place the rotation problem, at this moment inner sand section of thick bamboo 2 and the trompil 5 of outer sand section of thick bamboo 4 correspond to each other, when using, rotate different angles outer sand section of thick bamboo 4 and make its corresponding trompil 5 take place the trace skew, and then accomplish the regulation of trompil 5 size, conveniently select the use according to different mine circumstances, realize connecting fixedly through the cooperation of reference column 3 and recess 6 this moment, pass roof 1, inner sand section of thick bamboo 2 and outer sand section of thick bamboo 4 in proper order with screw rod 7 again, and tighten nut 8, make inner sand section of thick bamboo 2, outer sand section of thick bamboo 4 and roof 1 laminate each other and compress tightly, reference column 3 all lies;

after the operation is accomplished, cup joint barrel 11 on outer sand section of thick bamboo 4, make barrel 11 bottom pass behind fixed column 9, peg graft at screw rod 7 tip on barrel 11 top, realize barrel 11 spacing in order to avoid taking place the rotation, screw up sleeve pipe 10 again, make sleeve pipe 10 compress tightly barrel 11 in the sand section of thick bamboo 2 bottom including on fixed column 9 spiral back, realize barrel 11 fixed, carry out the prefilter of grit through the through-hole 12 on barrel 11 surface during the use, realize the filtration of tiny grit through trompil 5 again, make the use flow through and enter into the exploitation of realizing oil in the inner sand section of thick bamboo 2 after through-hole 12 and trompil 5, barrel 11's setting can reduce the washing away of grit to outer sand section of thick bamboo 4, only need to use with changing barrel 11 after long-time use, filterable grit stops between barrel 11 and outer sand section of thick bamboo 4, take off barrel 11 can make things convenient for the clearance of grit, improve sand section of thick bamboo's.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an oil development sand control pipe which characterized in that: comprises an inner sand cylinder (2) arranged at the bottom of a top plate (1), an adjusting mechanism and a filtering mechanism;

the adjusting mechanism comprises an outer sand cylinder (4), a screw rod (7) and a bolt, the inner part of the outer sand cylinder (4) is sleeved with the inner sand cylinder (2), the top of the outer sand cylinder (4) is provided with a groove (6) matched with the positioning column (3), the outer sand cylinder (4), the inner sand cylinder (2) and the top plate (1) are all in penetrating connection with the screw rod (7), and the bottom end of the screw rod (7) is in threaded connection with a nut (8);

the filtering mechanism comprises a fixing column (9), a sleeve (10) and a barrel body (11), the fixing column (9) is fixedly connected with the bottom end of the inner sand barrel (2), the fixing column (9) is sleeved with the inner thread of the sleeve (10), the bottom end of the barrel body (11) is in through connection with the fixing column (9), and through holes (12) which are uniformly distributed are formed in the surface of the barrel body (11).

2. The oil recovery sand control pipe of claim 1, wherein: interior sand section of thick bamboo (2) cup joints each other with outer sand section of thick bamboo (4), interior sand section of thick bamboo (2) outer wall laminates each other with outer sand section of thick bamboo (4) inner wall, and interior sand section of thick bamboo (2) and outer sand section of thick bamboo (4) have all been seted up a plurality of and have been heliciform evenly distributed's trompil (5), and correspond each other between trompil (5).

3. The oil recovery sand control pipe of claim 1, wherein: interior sand section of thick bamboo (2) and outer sand section of thick bamboo (4) top all are equipped with the ring, interior sand section of thick bamboo (2) top fixedly connected with a plurality of is reference column (3) that circular structure evenly distributed, and laminates each other between interior sand section of thick bamboo (2), outer sand section of thick bamboo (4) top and roof (1) and connect.

4. The oil recovery sand control pipe of claim 1, wherein: barrel (11) top and screw rod (7) tip through connection, barrel (11) bottom contact has interior sand section of thick bamboo (2), and barrel (11) inside cup joints with outer sand section of thick bamboo (4).

5. The oil recovery sand control pipe of claim 1, wherein: the sleeve (10) is in threaded connection with the fixing column (9), and the end of the sleeve (10) is in contact with the bottom end of the barrel body (11).

6. The oil recovery sand control pipe of claim 1, wherein: the nut (8) is positioned between the outer sand cylinder (4) and the cylinder body (11), and the nut (8) is in contact with the surface of the outer sand cylinder (4).