CN211777349U

CN211777349U - Sieve tube convenient to connect and dismantle

Info

Publication number: CN211777349U
Application number: CN201921676867.3U
Authority: CN
Inventors: 王文波; 丁启兴
Original assignee: Daqing Haixing Petroleum Technology Development Co ltd
Current assignee: Daqing Haixing Petroleum Technology Development Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-10-27
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a sieve tube convenient for connection and disassembly, which comprises a main tube body, wherein a first connecting ring is fixedly arranged on the outer surface of the upper end of the main tube body, a second connecting ring is fixedly arranged on the outer surface of the lower end of the main tube body, a top bracing steel bar block is fixedly arranged on the outer surface of the middle part of the main tube body, the main tube body is fixedly connected with a winding body through the top bracing steel bar block, a silica gel pad is fixedly arranged at the joint of the first connecting ring and the main tube body, and a longitudinal stress steel bar is fixedly arranged in the middle part of the winding body; the utility model discloses a set up a go-between and No. two go-between, can be when the installation screen pipe is used, insert the lock piece on the inserted bar surface that the lower extreme of No. two go-between set up in the locking groove of the internal surface setting of the trepanning of the upper end setting of a go-between to reverse rotation, the screen pipe can be quick connect, and forward rotation can be quick dismantles the screen pipe. The utility model discloses simple structure, it is practical convenient.

Description

Sieve tube convenient to connect and dismantle

Technical Field

The utility model belongs to the oil development field relates to a screen pipe, specifically is a screen pipe convenient to connect and dismantle.

Background

The screen pipe is an important apparatus in the petroleum drilling operation, at present, more screen pipes are adopted as wire-wound screen pipes, the main function of the screen pipes is sand prevention, and the kind of the screen pipe and the steel grade adopted are determined by the geological environment of the oil well, when the wire-wrapped screen pipe passes through the bent section of the highly-deviated well or the horizontal well under strong pressure, inevitably collides, extrudes and rubs with the well wall or the casing, the mess phenomenon is easy to occur, the damage of the screen pipe or the deformation of the gap is caused, the well completion quality and the sand control effect are reduced or failed, but the prior sieve tube can not be quickly connected and disassembled when in use, wastes the time for workers to install and overhaul the sieve tube, and the winding body installed on the surface of the sieve tube is easy to deform, the efficiency of isolating sand and oil is reduced, and the joint of the sieve tube is easy to fall off due to impact.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sieve pipe convenient to connect and dismantle.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a screen pipe convenient to connect and dismantle, is including being responsible for the body, be responsible for the upper end surface fixed mounting of the body and have a go-between, and be responsible for the lower extreme surface fixed mounting of the body and have a go-between No. two, be responsible for the middle part surface fixed mounting of the body and have a shore reinforcing bar piece, and be responsible for the body and prop reinforcing bar piece and bobbin fixed connection through the top, be responsible for the internal surface of the body and run through and install the sieve mesh, the upper end surface fixed mounting of a go-between has the trepanning, a go-between and the junction fixed mounting who is responsible for the body have the silica gel pad, the lower extreme surface fixed mounting of No. two go-ins has the inserted bar, the middle.

Furthermore, the sieve holes are distributed irregularly on the inner surface of the main pipe body, and the number of the sieve holes is a plurality of groups.

Furthermore, the inner surface of the trepanning is fixedly provided with locking grooves, the number of the locking grooves is twice of that of the trepanning, and the locking grooves are L-shaped.

Furthermore, the quantity of silica gel pad is eight groups, and the surface of silica gel pad is equipped with the screw thread.

Furthermore, the outer surface of the front end of each inserted rod is fixedly provided with a locking piece, the number of the inserted rods is eight, and the inserted rods are made of aluminum-titanium alloy.

Furthermore, the length value of the longitudinal stress steel bar is equal to the height value of the winding body, and the longitudinal stress steel bar is distributed on the winding body at equal intervals.

The utility model has the advantages that: the utility model discloses a set up go-between and No. two go-between, can be when the installation screen pipe is used, insert the locking piece on the inserted bar surface that the lower extreme surface of No. two go-between set up in the locking groove of the internal surface setting of the trepanning of the upper end surface setting of a go-between, and reverse rotation, the screen pipe can be quick connect, forward rotation can be quick dismantle the screen pipe, the top props reinforcing bar piece and vertical atress reinforcing bar and mutually supports, can strengthen the compressive property and the anti deformability of bobbin, prevent that bobbin from can't separating grit and oil because of warping, the sand control performance of screen pipe has been improved, the silica gel pad that the symmetry set up can cushion and eliminate the external impact shock that causes the screen pipe junction and shake power, prevent that the screen pipe of connecting from droing, the normal operation of screen pipe has been guaranteed.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of B of FIG. 1 according to the present invention;

fig. 5 is an enlarged view of C in fig. 1 according to the present invention.

In the figure 1, a main pipe body; 2. a first connecting ring; 3. a second connecting ring; 4. supporting a steel bar block; 5. a winding body; 6. screening holes; 7. trepanning; 8. a locking groove; 9. a silica gel pad; 10. inserting a rod; 11. a locking member; 12. and (5) longitudinally stressing the steel bars.

Detailed Description

As shown in fig. 1-5, a screen pipe convenient to connect and dismantle, including being responsible for the body 1, be responsible for the upper end external fixed surface of the body 1 and install go-between 2 No. one, and be responsible for the lower extreme external fixed surface of the body 1 and install go-between 3 No. two, be responsible for the middle part external fixed surface of the body 1 and install the top and prop reinforcing bar piece 4, and be responsible for the body 1 through propping reinforcing

bar piece

4 and 5 fixed connection of winding body, the internal surface of being responsible for the body 1 runs through and installs sieve mesh 6, the upper end external fixed surface of go-between 2 installs trepanning 7, No. one go-between 2 and the junction fixed mounting who is responsible for the body 1 have silica gel pad 9, the lower extreme external fixed surface of No. two go-between 3 installs inserted bar 10, the middle part fixed mounting of the winding body.

Further, the sieve holes 6 are irregularly distributed on the inner surface of the main pipe body 1, and the number of the sieve holes 6 is a plurality of groups.

Further, the inner surface of the trepan boring 7 is fixedly provided with locking grooves 8, the number of the locking grooves 8 is twice of the number of the trepan boring 7, and the locking grooves 8 are L-shaped.

Further, the number of the silica gel pads 9 is eight, and the surface of the silica gel pads 9 is provided with threads.

Furthermore, the outer surface of the front end of the inserted rod 10 is fixedly provided with locking pieces 11, the number of the inserted rods 10 is eight, and the inserted rod 10 is made of an aluminum-titanium alloy.

Further, the length value of the longitudinal stress steel bar 12 is equal to the height value of the winding body 5, and the longitudinal stress steel bar 12 is distributed on the winding body 5 at equal intervals.

A sieve tube convenient for connection and disassembly, when in use, firstly, the sieve tube is assembled, whether cracks appear at the joints of a first connecting ring 2 and a second connecting ring 3 and a main tube body 1 is checked, after the check is finished, the firmness of a winding body 5 tightly connected by a top bracing steel bar block 4 and the main tube body 1 at the outer side of the main tube body 1 is detected, the top bracing steel bar block 4 is matched with a longitudinal stressed steel bar 12 fixedly arranged at the middle part of the winding body 5 at equal intervals, the compression resistance and the deformation resistance of the winding body 5 can be enhanced, the inevitable collision, extrusion and friction with a well wall or a sleeve pipe when the winding body 5 passes through a bent section of a highly-inclined well or a horizontal well under strong pressure are prevented, the wire disorder phenomenon is caused, the sieve tube is prevented from deforming, the sand prevention performance of the sieve tube is improved, then, the sieve tube is installed, inserting rods 10 arranged on the outer surfaces of the lower ends of corresponding second connecting rings 3 arranged outside are inserted into sleeve holes 7 formed in the first connecting ring 2 arranged on the outer surface of the upper end of a main pipe body 1, locking pieces 11 arranged on the outer surfaces of the inserting rods 10 can be correspondingly inserted into locking grooves 8 formed in the inner surface of the sleeve holes 7, meanwhile, inserting rods 10 arranged on the outer surfaces of the lower ends of the second connecting rings 3 arranged on the outer surface of the lower end of the main pipe body 1 are inserted into sleeve holes 7 formed in the outer surfaces of the upper ends of corresponding first connecting rings 2 arranged outside, the sieve pipes can be rapidly connected, the sieve pipes can be rapidly detached and operated, sand and stones can be isolated by the winding body 5, oil can be led out through sieve holes 6 arranged on the main pipe body 1 through the main pipe body 1, and the isolated sand and stones can be separated through the mutual matching action of the inner flow ring and the outer flow ring, finally, the silica gel pad 9 can buffer and eliminate the impact shock and vibration force of the sand to the screen pipe joint, and the connected screen pipe is prevented from falling off.

The utility model is provided with the first connecting ring 2 and the second connecting ring 3, when the sieve tube is installed for use, a locking piece 11 on the surface of an inserted rod 10 arranged on the outer surface of the lower end of the second connecting ring 3 is inserted into a locking groove 8 arranged on the inner surface of a sleeve hole 7 arranged on the outer surface of the upper end of the first connecting ring 2, the sieve tube can be connected quickly by rotating reversely, the sieve tube can be disassembled quickly by rotating positively, the top bracing reinforcing steel bar block 4 and the longitudinal stress reinforcing steel bar 12 are matched with each other, can enhance the compression resistance and the deformation resistance of the bobbin 5, prevent the bobbin 5 from being incapable of separating sand and oil due to deformation, improve the sand prevention performance of the sieve tube, the silica gel pad 9 that the symmetry set up can cushion and eliminate the outside grit and shake the power of trembling to the impact that the screen pipe junction caused, prevents that the screen pipe of connecting from droing, has guaranteed the normal operating of screen pipe.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The sieve tube convenient for connection and disassembly is characterized by comprising a main tube body (1), a first connecting ring (2) is fixedly arranged on the outer surface of the upper end of the main pipe body (1), and the outer surface of the lower end of the main pipe body (1) is fixedly provided with a second connecting ring (3), the outer surface of the middle part of the main pipe body (1) is fixedly provided with a top bracing reinforcing steel bar block (4), and the main pipe body (1) is fixedly connected with the winding body (5) through a top bracing steel bar block (4), the inner surface of the main pipe body (1) is provided with sieve pores (6) in a penetrating way, the outer surface of the upper end of the first connecting ring (2) is fixedly provided with a trepanning (7), a silica gel pad (9) is fixedly arranged at the joint of the first connecting ring (2) and the main pipe body (1), the outer surface of the lower end of the second connecting ring (3) is fixedly provided with an inserted bar (10), and the middle part of the winding body (5) is fixedly provided with a longitudinal stressed steel bar (12).

2. The screen pipe for easy connection and disconnection according to claim 1, wherein the screen holes (6) are irregularly distributed on the inner surface of the main pipe body (1), and the number of the screen holes (6) is several groups.

3. The screen pipe for facilitating connection and disconnection according to claim 1, wherein the inner surface of the trepan (7) is fixedly provided with locking grooves (8), the number of the locking grooves (8) is twice that of the trepan (7), and the structural shape of the locking grooves (8) is L-shaped.

4. The screen pipe convenient for connection and disconnection according to claim 1, wherein the number of the silicone pads (9) is eight, and the surface of the silicone pads (9) is provided with threads.

5. The screen pipe convenient to connect and detach as claimed in claim 1, wherein the outer surface of the front end of the insert rod (10) is fixedly provided with locking pieces (11), the number of the insert rods (10) is eight, and the insert rods (10) are made of aluminum-titanium alloy.

6. Screen for facilitating the coupling and uncoupling according to claim 1, characterized in that the longitudinal stressing tendons (12) have a length equal to the height of the reel (5) and in that the longitudinal stressing tendons (12) are equally spaced on the reel (5).