CN211715108U - Non-deformable's sand control screen pipe for oil field exploitation - Google Patents

Abstract

The utility model discloses a non-deformable's sand control screen pipe for oil field exploitation, including the screen pipe body, this internal oil pipe that is equipped with of screen pipe, the last oil inlet that is equipped with of oil pipe, it is external that oil pipe's one end extends to the screen pipe body, this internal fixed cover of screen pipe is equipped with one side and is the fixed box that the opening set up, and oil pipe's the other end and the opposite side movable contact of fixed box, one side of fixed box and the one end of screen pipe body are located same vertical line, rotate in the fixed box and install the ring gear, and fixed cover is equipped with the disc in the ring gear, and one side top fixed mounting that oil pipe was. The utility model discloses simple structure, convenient operation is convenient for fix the oil pipe of different specifications in the screen pipe body, prevents that oil pipe from taking place to rock at this internal sieve tube, leads to oil pipe's the outside and the lateral wall of screen pipe body to collide and cause the phenomenon of fracture oil leak, satisfies the use needs, is favorable to the use.

Description

Non-deformable's sand control screen pipe for oil field exploitation

Technical Field

The utility model relates to a sand control screen pipe technical field especially relates to a non-deformable's sand control screen pipe for oil field exploitation.

Background

At present, the sand control methods of oil and gas wells are many, and can be roughly divided into sand arch sand control, chemical sand control, thermal coking sand control, mechanical sand control, composite sand control and other sand control methods according to the sand control principle, in the mechanical sand control process, a sand control screen pipe is generally used as a sand control tool, in the process of pumping oil from an oil well through an oil well pump, the sand control screen pipe is mostly a metal steel pipe, the hardness of the sand control screen pipe is improved, and the deformation phenomenon cannot occur, when the oil is pumped, the sand control screen pipe is firstly put into the oil well, the bottom end of the sand control screen pipe is mostly of a plugging structure and is contacted with the inner wall of the bottom of the oil well, when an oil pipe is put into the sand control screen pipe, surrounding formation fluid carries substances such as formation fine sand, mechanical impurities, clay mud and the like, when the particulate matters in the fluid pass through the sand control screen pipe, the particulate matters, the liquid in the oil pipe does not contain sand grains, thereby realizing the sand prevention of the oil well.

But the sand control screen pipe is used in current non-deformable's oil field exploitation is not convenient for fix the oil pipe of different specifications, and current oil pipe generally is that disect insertion takes place to the sand control screen pipe in, at the in-process of pumping, because the stratum fluid makes the sand control screen pipe take place to incline easily on every side and rocks, thereby the outside of oil pipe and the inboard easy emergence collision of sand control screen pipe cause the phenomenon of fracture oil leak, therefore we have proposed a non-deformable's sand control screen pipe is used for solving above-mentioned problem for the oil field exploitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sand control screen pipe for oil field exploitation, which is not easy to deform.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a non-deformable sand control screen pipe for oilfield exploitation comprises a screen pipe body, wherein an oil pipe is arranged in the screen pipe body, an oil inlet is formed in the oil pipe, one end of the oil pipe extends out of the screen pipe body, a fixed box with one side provided with an opening is fixedly sleeved in the screen pipe body, the other end of the oil pipe is in movable contact with the other side of the fixed box, one side of the fixed box and one end of the screen pipe body are positioned on the same vertical line, an inner gear ring is rotatably installed in the fixed box, a disc is fixedly sleeved in the inner gear ring, a rocker is fixedly installed at the top of one side, away from the oil pipe, of the disc, four screw rods are rotatably installed at the other side of the fixed box, the oil pipe is positioned among the four screw rods, one ends of the screw rods extend into the fixed box and are fixedly, the inboard of screen pipe body is rectangle fixed mounting and has four U-shaped poles, two relative U-shaped pole symmetry sets up, movable block sliding sleeve establishes on the U-shaped pole that corresponds, the one end that fixed box was kept away from to the carriage release lever articulates there is the connecting rod that the slope set up, two relative connecting rod symmetries set up, the one end that corresponding carriage release lever was kept away from to the connecting rod articulates there is splint, splint keep away from one side fixed mounting of oil pipe have four montants, sliding sleeve is equipped with the dead lever on the montant, the inboard fixed connection of corresponding splint and screen pipe body is kept away from to the dead lever, one end that the dead lever is close to corresponding splint and splint one side fixed mounting that oil pipe was kept away from to splint have same spring, spring movable sleeve establishes.

Preferably, the fixed sleeve in the fixed box is provided with a large bearing, and the inner ring of the large bearing is fixedly sleeved with the outer side of the inner gear ring.

Preferably, the other side of the fixed box is fixedly provided with four first bearings in a rectangular shape, and inner rings of the first bearings are fixedly sleeved with the outer sides of the corresponding screws.

Preferably, the other end of the moving rod is provided with a thread groove, and the thread groove is in threaded connection with the corresponding screw rod.

Preferably, one side of the moving block is provided with a rectangular hole, and the side wall of the rectangular hole is in sliding connection with the outer side of the corresponding U-shaped rod.

Preferably, one side of the fixing rod, which is close to the corresponding clamping plate, is provided with a rectangular groove, and the side wall of the rectangular groove is in sliding connection with the outer side of the corresponding vertical rod.

Preferably, one side of the clamping plate close to the oil pipe is fixedly provided with an elastic rubber pad.

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

by matching the sieve tube body, the oil tube, the fixed box, the inner gear ring, the disc, the rocker, the screw, the gear, the movable rod, the movable block, the U-shaped rod, the connecting rod, the clamping plate, the vertical rod, the fixed rod and the spring, when the oil tube is required to be fixed in the sieve tube body, the oil tube is firstly put into the sieve tube body, the other end of the oil tube is contacted with the other side of the fixed box, the forward rotation rocker drives the inner gear ring to rotate through the disc, the inner gear ring rotates to drive the gear to rotate, the gear drives the corresponding screw to rotate, the screw rotates to drive the corresponding movable rod to move, the movable block drives the corresponding movable block to slide on the U-shaped rod, the movable rod drives the clamping plate to move towards the direction close to the oil tube by extruding the corresponding connecting rod, the clamping plate drives the corresponding elastic rubber pad to move in the moving process, the clamping, the four elastic rubber pads move towards the direction close to the oil pipe and clamp and fix the oil pipe.

The utility model discloses simple structure, convenient operation is convenient for fix the oil pipe of different specifications in the screen pipe body, prevents that oil pipe from taking place to rock at this internal sieve tube, leads to oil pipe's the outside and the lateral wall of screen pipe body to collide and cause the phenomenon of fracture oil leak, satisfies the use needs, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a non-deformable sand control screen pipe for oilfield exploitation according to the present invention;

FIG. 2 is a schematic cross-sectional view of a sand control screen for oilfield exploitation, which is not easy to deform according to the present invention;

fig. 3 is the utility model provides a non-deformable's sand control screen pipe for oil field exploitation's a part enlargies the schematic diagram.

In the figure: the sieve tube comprises a sieve tube body 1, an oil tube 2, a fixed box 3, an inner gear ring 4, a circular disc 5, a rocker 6, a screw rod 7, a gear 8, a movable rod 9, a movable block 10, a U-shaped rod 11, a connecting rod 12, a clamping plate 13, a vertical rod 14, a fixing rod 15 and a spring 16.

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.

Referring to fig. 1-3, a non-deformable sand control screen pipe for oilfield exploitation comprises a screen pipe body 1, an oil pipe 2 is arranged in the screen pipe body 1, an oil inlet is arranged on the oil pipe 2, one end of the oil pipe 2 extends out of the screen pipe body 1, a fixed box 3 with one side being provided with an opening is fixedly sleeved in the screen pipe body 1, the other end of the oil pipe 2 is movably contacted with the other side of the fixed box 3, one side of the fixed box 3 and one end of the screen pipe body 1 are positioned on the same vertical line, an inner gear ring 4 is rotatably installed in the fixed box 3, a disc 5 is fixedly sleeved in the inner gear ring 4, a rocker 6 is fixedly installed at the top of one side of the disc 5 far away from the oil pipe 2, four screw rods 7 are rotatably installed at the other side of the fixed box 3, the oil pipe 2 is positioned among the four screw rods 7, a moving rod 9 is sleeved on the screw 7 in a threaded manner, a moving block 10 is fixedly installed on one side of the moving rod 9, which is far away from the oil pipe 2, four U-shaped rods 11 are fixedly installed on the inner side of the sieve pipe body 1 in a rectangular manner, two opposite U-shaped rods 11 are symmetrically arranged, the moving block 10 is slidably sleeved on the corresponding U-shaped rods 11, one end of the moving rod 9, which is far away from the fixed box 3, is hinged with connecting rods 12 which are obliquely arranged, two opposite connecting rods 12 are symmetrically arranged, one end of each connecting rod 12, which is far away from the corresponding moving rod 9, is hinged with a clamping plate 13, one side of each clamping plate 13, which is far away from the oil pipe 2, is fixedly installed with four vertical rods 14, a fixing rod 15 is slidably sleeved on each vertical rod 14, one end of each fixing rod 15, which is far away from the corresponding, the spring 16 movable sleeve is established on corresponding montant 14, and the carriage release lever 9 is located between two dead levers 15 that correspond, the utility model discloses simple structure, convenient operation is convenient for fix the oil pipe 2 of different specifications in screen pipe body 1, prevents that oil pipe 2 from taking place to rock in screen pipe body 1, leads to the outside of oil pipe 2 and the lateral wall of screen pipe body 1 to collide and cause the phenomenon of fracture oil leak, satisfies the user demand, is favorable to the use.

In the utility model, a big bearing is fixedly sleeved in a fixed box 3, the inner ring of the big bearing is fixedly sleeved with the outer side of an inner ring gear 4, four first bearings are fixedly arranged on the other side of the fixed box 3 in a rectangular shape, the inner ring of each first bearing is fixedly sleeved with the outer side of a corresponding screw 7, a thread groove is arranged at the other end of a movable rod 9 and is in threaded connection with the corresponding screw 7, a rectangular hole is arranged at one side of a movable block 10, the side wall of the rectangular hole is in sliding connection with the outer side of a corresponding U-shaped rod 11, a rectangular groove is arranged at one side of a fixed rod 15 close to a corresponding clamping plate 13, the side wall of the rectangular groove is in sliding connection with the outer side of a corresponding vertical rod 14, and an elastic rubber pad is fixedly arranged at one side of a clamping plate 13 close to an oil pipe 2, the utility model has simple structure and convenient operation, is convenient for fixing oil, the outer side of the oil pipe 2 collides with the side wall of the sieve tube body 1 to cause cracking and oil leakage, so that the use requirement is met, and the use is facilitated.

The working principle is as follows: when the oil pipe 2 is required to be fixed in the sieve tube body 1, the oil pipe 2 is firstly put into the sieve tube body 1, the other end of the oil pipe 2 is contacted with the other side of the fixed box 3, the rocker 6 is rotated in the forward direction, the rocker 6 drives the disc 5 to rotate, the disc 5 drives the inner gear ring 4 to rotate, under the action of the meshing of the inner gear ring 4 and the four gears 8, the inner gear ring 4 rotates to drive the gears 8 to rotate, the gears 8 drive the corresponding screw rods 7 to rotate, under the action of the thread grooves formed on the moving rods 9, the screw rods 7 rotate to drive the corresponding moving rods 9 to move in the direction far away from the fixed box 3, the moving rods 9 drive the corresponding moving blocks 10 to move, the moving blocks 10 slide on the corresponding U-shaped rods 11, the moving rods 9 extrude the corresponding connecting rods 12 in the moving process, under the action of extrusion force, the connecting rods 12 move and rotate, the connecting rods 12 drive the corresponding clamping plates 13 to move in the, splint 13 drives the elastic rubber pad that corresponds at the in-process that removes and removes, splint 13 drives the montant 14 that corresponds and removes, montant 14 is tensile to corresponding spring 16 at the in-process that removes, four elastic rubber pads are to the direction removal that is close to oil pipe 2 and carry out the centre gripping fixed to oil pipe 2, elastic rubber pad has played certain cushioning effect, it causes oil pipe 2 fracture damage to prevent that splint 13 from directly contacting with oil pipe 2 and producing hard impact force, be convenient for fix the oil pipe 2 of different specifications in screen pipe body 1, prevent that oil pipe 2 from taking place to rock in screen pipe body 1, the outside that leads to oil pipe 2 collides with the lateral wall of screen pipe body 1 and causes the phenomenon of fracture oil leak.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a non-deformable's sand control screen pipe for oil field exploitation, includes screen pipe body (1), be equipped with oil pipe (2) in screen pipe body (1), be equipped with the oil inlet on oil pipe (2), the one end of oil pipe (2) extends to outside screen pipe body (1), a serial communication port, fixed cover is equipped with fixed box (3) that one side set up for the opening in screen pipe body (1), the other end of oil pipe (2) and the opposite side movable contact of fixed box (3), one side of fixed box (3) and the one end of screen pipe body (1) are located same vertical line, ring gear (4) are installed to fixed box (3) internal rotation, fixed cover is equipped with disc (5) in ring gear (4), disc (5) keep away from one side top fixed mounting of oil pipe (2) has rocker (6), the opposite side rotation of fixed box (3) is installed four screw, the oil pipe (2) is positioned among the four screw rods (7), one end of each screw rod (7) extends into the fixed box (3) and is fixedly provided with a gear (8), the four gears (8) are all meshed with the inner gear rings (4), the screw rods (7) are sleeved with the moving rods (9) in a threaded manner, one sides of the moving rods (9) far away from the oil pipe (2) are fixedly provided with moving blocks (10), the inner side of the sieve pipe body (1) is fixedly provided with four U-shaped rods (11) in a rectangular manner, the two opposite U-shaped rods (11) are symmetrically arranged, the moving blocks (10) are slidably sleeved on the corresponding U-shaped rods (11), one ends of the moving rods (9) far away from the fixed box (3) are hinged with connecting rods (12) which are obliquely arranged, the two opposite connecting rods (12) are symmetrically arranged, one ends of the connecting rods (12) far away from the corresponding moving rods (9) are hinged with clamping plates (13), one sides of the, the fixing rod (15) is sleeved on the vertical rod (14) in a sliding mode, one end, far away from the corresponding clamping plate (13), of the fixing rod (15) is fixedly connected with the inner side of the sieve tube body (1), one end, close to the corresponding clamping plate (13), of the fixing rod (15) and one side, far away from the oil tube (2), of the clamping plate (13) are fixedly provided with the same spring (16), the spring (16) is movably sleeved on the corresponding vertical rod (14), and the moving rod (9) is located between the corresponding two fixing rods (15).

2. The sand control screen pipe for the oilfield exploitation, which is not easy to deform, as claimed in claim 1, wherein the fixing box (3) is internally fixed with a large bearing, and an inner ring of the large bearing is fixedly sleeved with the outer side of the inner gear ring (4).

3. The sand control screen pipe for the oilfield exploitation, which is not easy to deform, according to claim 1, wherein four first bearings are fixedly installed on the other side of the fixing box (3) in a rectangular shape, and inner rings of the first bearings are fixedly sleeved with the outer sides of the corresponding screws (7).

4. The sand control screen pipe for the oilfield exploitation, which is not easy to deform, according to claim 1, wherein the other end of the moving rod (9) is provided with a thread groove, and the thread groove is in threaded connection with the corresponding screw (7).

5. The sand control screen pipe for the oilfield exploitation, which is not easy to deform, as claimed in claim 1, wherein one side of the moving block (10) is provided with a rectangular hole, and the side wall of the rectangular hole is slidably connected with the outer side of the corresponding U-shaped rod (11).

6. The sand control screen pipe for the oilfield exploitation, which is not easy to deform as claimed in claim 1, wherein one side of the fixing rod (15) close to the corresponding clamping plate (13) is provided with a rectangular groove, and the side wall of the rectangular groove is in sliding connection with the outer side of the corresponding vertical rod (14).

7. The sand control screen for the difficultly deformable oilfield exploitation according to claim 1, wherein an elastic rubber pad is fixedly arranged on one side of the clamping plate (13) close to the oil pipe (2).

Images