CN213953574U

CN213953574U - Oil development is with multi-functional screen pipe that filters

Info

Publication number: CN213953574U
Application number: CN202022428887.8U
Authority: CN
Inventors: 朱晓雨; 冯康康
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-13
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses an oil development is with multi-functional filtration screen pipe, including screen pipe body, connecting portion and grit filter mechanism, the quantity of connecting portion is two and the symmetry establishes in the outside of screen pipe body, grit filter mechanism establishes the inside at the screen pipe body, the screen pipe body includes the corrosion resistant layer, the inboard on corrosion resistant layer is equipped with outer explosion-proof layer, heat preservation and interior explosion-proof layer in proper order, connecting portion are including connecting half pipe, connect the inboard and the corrosion resistant layer outside fixed connection of half pipe, the outside equidistance of connecting half pipe is encircleed and is provided with three connecting screw. This oil development is with multi-functional filter sieve pipe, structural design is reasonable, convenient to use, the function is various, at first has better corrosion-resistant, thermal insulation performance, secondly can carry out a lot of to the oil and filter, guarantees better filter effect, still is convenient for at last to be connected with the oil well, easy operation can satisfy diversified demand.

Description

Oil development is with multi-functional screen pipe that filters

Technical Field

The utility model relates to an oil development equipment technical field specifically is a multi-functional filtration screen pipe is adopted in oil development.

Background

In the technical field of oil exploitation, in order to improve the recovery ratio of crude oil in an oil field, secondary oil recovery and tertiary oil recovery are generally carried out, the sieve tube is installed at the lowest end of an oil well and used for separating the exploited oil from sand and stone in the stratum, most of the filtering sieve tubes for oil exploitation in the prior art are single in function, for example, the filtering sieve tube does not have good corrosion resistance and heat insulation performance, and meanwhile, most of the filtering sieve tubes can only carry out primary filtering, the good filtering effect cannot be guaranteed, the problems that the filtering sieve tube is inconvenient to connect with the oil well and the like exist, the requirements are difficult to meet, therefore, the multifunctional filtering sieve tube for oil exploitation is provided, and the problems in the background technology are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil development is with multi-functional filter sieve pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional filtering sieve tube for oil exploitation comprises a sieve tube body, two connecting parts and sand filtering mechanisms, wherein the two connecting parts are symmetrically arranged on the outer side of the sieve tube body, and the sand filtering mechanisms are arranged inside the sieve tube body;

the sieve tube body comprises a corrosion-resistant layer, and an outer explosion-proof layer, a heat-insulating layer and an inner explosion-proof layer are sequentially arranged on the inner side of the corrosion-resistant layer;

the connecting part comprises a connecting half pipe, the inner side of the connecting half pipe is fixedly connected with the outer side of the corrosion-resistant layer, three connecting screws are arranged on the outer side of the connecting half pipe in an encircling mode at equal intervals, and one end, close to the connecting half pipe, of each connecting screw penetrates through the connecting half pipe and extends to the outside of the connecting half pipe;

the grit filter mechanism includes bracer and filter plate, the quantity of bracer is established on the inner wall on interior explosion-proof layer for two and symmetry, the top at two bracers is established to the filter plate, the logical oilhole has been seted up at the top of filter plate, the top of filter plate is equipped with an outer cover section of thick bamboo, the outside and the inboard mutual contact in interior explosion-proof layer of an outer cover section of thick bamboo, fixedly connected with grit filter screen on the inner wall of outer cover section of thick bamboo bottom opening.

Preferably, the inner wall of the inner explosion-proof layer and the lower part of the corresponding sand filtering mechanism are sequentially provided with a first filter screen, a second filter screen and a third filter screen from top to bottom.

Preferably, the bottom of the supporting block is fixedly connected with a supporting rib, and one side of the supporting rib, which is close to the inner explosion-proof layer, is fixedly connected with the inner explosion-proof layer.

Preferably, the bottom of the filter plate is fixedly connected with a fixture block corresponding to the support block, and the fixture block is clamped with the top of the support block.

Preferably, handles are symmetrically arranged on the inner wall of the outer cover cylinder, and the handles are semi-annular in shape.

Preferably, the top of the outer cover cylinder is fixedly connected with a guide cylinder communicated with the outer cover cylinder, and the inner side of the guide cylinder is conical.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses half pipe is connected to the accessible and connecting screw installs the screen pipe to the oil well lower extreme fast, when filtering the oil, the grit filter screen can be sieved the bold grit that contains in with, the oil falls into to the below through the oil hole, utilize the first filter screen that sets up, second filter screen and third filter screen can carry out further repetitious filtration to the oil, solid debris sieves totally in will, the good environment of screen pipe during operation has been guaranteed to corrosion-resistant layer and heat preservation, and the performance is improved, this multi-functional filtration screen pipe is used in oil development, and reasonable structural design, high durability and convenient use, the function is various, at first, better corrosion resistance has, thermal insulation performance, secondly, can filter many times to the oil, guarantee better filter effect, still be convenient for at last to be connected with the oil well, and easy operation, can satisfy diversified demand.

2. The utility model discloses a set up first filter screen, second filter screen and third filter screen, the aperture of three filter screen from top to bottom filtration pore reduces in proper order, can cooperate the grit filter screen to further improve the filter effect, through setting up the brace rod, the fixed degree of being connected between brace piece and the interior explosion-proof layer inboard has been improved, prevent to drop, through setting up the fixture block, can improve the filter plate and establish the degree of stability at the brace piece top, through setting up the handle, can be convenient for take off a dustcoat section of thick bamboo and grit filter screen in the lump, the grit that will filter out clears up, guide a section of thick bamboo through setting up, the toper design can prevent in the oil that the grit from falling to the unable whereabouts in dustcoat section of thick bamboo top.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is a sectional view of the sieve tube body of the present invention;

FIG. 3 is a sectional view of the connection portion of the present invention;

fig. 4 is a structural section view of the front view of the sand filtering mechanism of the present invention.

In the figure: the anti-corrosion type sand filter screen comprises a screen pipe body 1, an anti-corrosion layer 11, an outer anti-explosion layer 12, an insulating layer 13, an inner anti-explosion layer 14, a first filter screen 15, a second filter screen 16, a third filter screen 17, a connecting part 2, a connecting half pipe 21, a connecting screw 22, a sand filter mechanism 3, a supporting block 31, a filter plate 32, an oil through hole 33, an outer cover cylinder 34, a sand filter screen 35, a supporting rib 36, a clamping block 37, a handle 38 and a guide cylinder 39.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a multifunctional filtering screen pipe for oil exploitation includes a screen pipe body 1, two connecting portions 2 and sand and stone filtering mechanisms 3, the connecting portions 2 are symmetrically disposed on the outer side of the screen pipe body 1, and the sand and stone filtering mechanisms 3 are disposed inside the screen pipe body 1.

The sieve tube body 1 comprises a corrosion-resistant layer 11, an outer explosion-proof layer 12, a heat-insulating layer 13 and an inner explosion-proof layer 14 are sequentially arranged on the inner side of the corrosion-resistant layer 11, and a first filter screen 15, a second filter screen 16 and a third filter screen 17 are sequentially arranged on the inner wall of the inner explosion-proof layer 14 and below the inner wall corresponding to the sand filtering mechanism 3 from top to bottom.

The connecting part 2 comprises a connecting half pipe 21, the inner side of the connecting half pipe 21 is fixedly connected with the outer side of the corrosion-resistant layer 11, three connecting screws 22 are arranged on the outer side of the connecting half pipe 21 in an equidistance surrounding mode, and one end, close to the connecting half pipe 21, of each connecting screw 22 penetrates through the connecting half pipe 21 and extends to the outer side of the connecting half pipe.

The sand filtering mechanism 3 comprises supporting blocks 31 and filter plates 32, wherein the number of the supporting blocks 31 is two, the supporting blocks 31 are symmetrically arranged on the inner wall of the inner explosion-proof layer 14, supporting ribs 36 are fixedly connected to the bottoms of the supporting blocks 31, one side, close to the inner explosion-proof layer 14, of each supporting rib 36 is fixedly connected with the inner explosion-proof layer 14, each filter plate 32 is arranged on the top of each supporting block 31, clamping blocks 37 are fixedly connected to the bottoms of the filter plates 32 and correspond to the positions of the supporting blocks 31, the clamping blocks 37 are clamped with the tops of the supporting blocks 31, oil through holes 33 are formed in the tops of the filter plates 32, an outer cover cylinder 34 is arranged on the top of each filter plate 32, handles 38 are symmetrically arranged on the inner wall of the outer cover cylinder 34, each handle 38 is semi-annular, the outer side of each outer cover cylinder 34 is in contact with the inner side of the inner explosion-proof layer 14, guide cylinders 39 communicated with the tops of the outer cover cylinders 34 are fixedly connected with the top of the guide cylinders 39, sand filtering nets 35 are fixedly connected to the inner walls of the openings at the bottoms of the outer cover cylinders 34, the multifunctional filtering sieve tube for oil exploitation has the advantages that the first filter screen 15, the second filter screen 16 and the third filter screen 17 are arranged, the aperture of the filter holes of the three filter screens is sequentially reduced from top to bottom, the filtering effect can be further improved by matching with the gravel filter screen 35, the fixing degree of the connection between the supporting block 31 and the inner side of the inner anti-explosion layer 14 is improved by arranging the supporting ribs 36, the filter blocks are prevented from falling off, the stability of the filter plates 32 arranged at the top of the supporting block 31 can be improved by arranging the clamping blocks 37, the outer cover cylinder 34 and the gravel filter screen 35 can be conveniently taken down together by arranging the handle 38, the filtered gravel is cleaned, the guide cylinder 39 is arranged, the gravel in oil can be prevented from falling to the top of the outer cover cylinder 34 by the conical design, the multifunctional filtering sieve tube for oil exploitation has reasonable structural design, the use is convenient, the functions are various, firstly, better corrosion resistance and heat preservation performance are achieved, secondly, the oil can be filtered for multiple times, and better filtering effect is ensured, and finally, the oil well is convenient to connect, the operation is simple, and the multidirectional requirement can be met.

During the use, install the screen pipe to the oil well lower extreme fast through connecting half pipe 21 and connecting screw 22, when filtering oil, the grit filter screen 35 can be sieved the bold grit that contains in with, and the oil falls into to the below through oil hole 33, utilizes the first filter screen 15 that sets up, second filter screen 16 and third filter screen 17 can carry out further repetitious filtration to oil, sieves interior well solid debris totally, and corrosion-resistant layer 11 and heat preservation 13 have guaranteed the good environment of screen pipe during operation, improve performance.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil development is with multi-functional screen pipe that filters, includes screen pipe body (1), connecting portion (2) and gravel filter mechanism (3), its characterized in that: the number of the connecting parts (2) is two, the connecting parts are symmetrically arranged on the outer side of the sieve tube body (1), and the sand filtering mechanism (3) is arranged inside the sieve tube body (1);

the sieve tube body (1) comprises a corrosion-resistant layer (11), and an outer explosion-proof layer (12), a heat-insulating layer (13) and an inner explosion-proof layer (14) are sequentially arranged on the inner side of the corrosion-resistant layer (11);

the connecting part (2) comprises a connecting half pipe (21), the inner side of the connecting half pipe (21) is fixedly connected with the outer side of the corrosion-resistant layer (11), three connecting screws (22) are arranged on the outer side of the connecting half pipe (21) in an equidistance surrounding mode, and one end, close to the connecting half pipe (21), of each connecting screw (22) penetrates through the connecting half pipe (21) and extends to the outside of the connecting half pipe;

sandstone filtration mechanism (3) are including bracer (31) and filter plate (32), the quantity of bracer (31) is two and the symmetry is established on the inner wall of interior explosion-proof layer (14), the top at two bracers (31) is established in filter plate (32), oil through hole (33) have been seted up at the top of filter plate (32), the top of filter plate (32) is equipped with an outer cover section of thick bamboo (34), the outside and interior explosion-proof layer (14) inboard mutual contact of outer cover section of thick bamboo (34), fixedly connected with sandstone filtration net (35) on the inner wall of outer cover section of thick bamboo (34) bottom opening.

2. The multifunctional filter screen pipe for oil exploitation according to claim 1, wherein: and a first filter screen (15), a second filter screen (16) and a third filter screen (17) are sequentially arranged on the inner wall of the inner explosion-proof layer (14) from top to bottom and below the corresponding sand filtering mechanism (3).

3. The multifunctional filter screen pipe for oil exploitation according to claim 2, wherein: the bottom of the supporting block (31) is fixedly connected with a supporting rib (36), and one side, close to the inner explosion-proof layer (14), of the supporting rib (36) is fixedly connected with the inner explosion-proof layer (14).

4. The multifunctional filter screen pipe for oil exploitation according to claim 3, wherein: the filter plate is characterized in that a clamping block (37) is fixedly connected to the bottom of the filter plate (32) and corresponds to the position of the supporting block (31), and the clamping block (37) is clamped with the top of the supporting block (31).

5. The multifunctional filter screen pipe for oil exploitation according to claim 4, wherein: handles (38) are symmetrically arranged on the inner wall of the outer cover cylinder (34), and the handles (38) are semi-annular.

6. The multifunctional filter screen pipe for oil exploitation according to claim 5, wherein: the top of the outer cover cylinder (34) is fixedly connected with a guide cylinder (39) communicated with the outer cover cylinder, and the inner side of the guide cylinder (39) is conical.