CN210483713U

CN210483713U - Downhole pressure monitoring device with centralizer for horizontal well pressure

Info

Publication number: CN210483713U
Application number: CN201921686541.9U
Authority: CN
Inventors: 刘建升; 尹淑丽; 王雷; 王岚; 马兰; 马红兴; 贾海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-05-08
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a horizontal well pressure downhole pressure monitoring device with centralizer, which comprises a tube body, wherein the lower end of the tube body is fixedly connected with a fixed ring, the outer surface of the tube body is arranged above the fixed ring and sleeved with a movable ring, the periphery sides of the movable ring and the fixed ring are fixedly connected with a connecting seat, an elastic sheet is rotatably connected between the connecting seats, the outer surface of the tube body is arranged at the upper end of the movable ring and provided with a screw thread, the outer side of the screw thread is sleeved with a rotating sleeve, the inner part of the tube body is fixedly connected with an oil tube interface, the two sides of the upper end of the tube body are inserted with a pressing block, the pressing block is pressed by a locking nut, the external oil tube is pressed by the pressing block, the falling-off when the device is put down through the oil tube is avoided, the rotating sleeve is, in order to centralize the device in pipes of different diameters.

Description

Downhole pressure monitoring device with centralizer for horizontal well pressure

Technical Field

The utility model relates to a monitoring devices specifically is a horizontal well is downhole pressure monitoring devices for pressure with centralizer.

Background

The pressure of an oil well needs to be monitored in real time during the acquisition work of the existing horizontal well. However, the conventional monitoring device is not easily balanced in the pipeline and is easily inclined. Accordingly, one skilled in the art provides a downhole pressure monitoring device for horizontal well pressure with a centralizer to address the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a horizontal well is downhole pressure monitoring device for pressure with centralizer to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a horizontal well pressure downhole pressure monitoring device with a centralizer comprises a pipe body, wherein a fixing ring is fixedly connected to the lower end of the pipe body, a movable ring is sleeved on the outer surface of the pipe body above the fixing ring, connecting seats are fixedly connected to the periphery sides of the movable ring and the fixing ring, the diameters of the fixing ring and the movable ring are the same, the positions of the connecting seats are aligned, an elastic sheet is rotatably connected between the connecting seats, threads are arranged on the outer surface of the pipe body, which is located at the upper end of the movable ring, a rotating sleeve is sleeved on the outer side of each thread, and the lower end; the rotating sleeve is rotated, the rotating sleeve rotates to move downwards, the rotating sleeve rotates to oppress the movable ring to move downwards, the movable ring moves downwards to oppress the elastic sheet to prop up, the pipe body is righted through propping up of the elastic sheet, in different pipelines, the position of the rotating sleeve is changed through the rotating sleeve, and the height of propping up of the elastic sheet is adjusted through changing the position of the rotating sleeve, so that the pipe body is righted in different pipelines.

The inside fixedly connected with oil pipe interface of body, body upper end both sides insert the compact heap, and the compact heap is located the top of oil pipe interface, and the sliding tray has been seted up to the compact heap below, compact heap lower extreme fixedly connected with fixed block, fixed block one end fixedly connected with spring, spring one end and sliding tray fixed connection, body upper end threaded connection have lock nut. One end of the oil pipe is in threaded connection with the oil pipe connector, the locking nut moves downwards to press the pressing block to the inside of the pipe body by rotating the locking nut, the periphery of the oil pipe is pressed tightly, and the oil pipe is fastened to be connected with the device.

As a further aspect of the present invention: the inside below fixed mounting that is located the oil pipe interface of body has pressure sensor, monitors the pressure of oil well inside through pressure sensor, and compact heap one end is located the inside antiskid tooth that has seted up of body, through antiskid tooth increase compact heap and have the frictional force between the oil pipe.

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

1. through the design, a locking nut compresses a compressing block, the compressing block compresses an external oil pipe, and the falling off of the device when the device is put down through the oil pipe is avoided.

2. The rotary sleeve is designed, the position of the movable ring is adjusted by rotating the rotary sleeve, and the supporting heights of the elastic sheets are different by the distance between the movable ring and the fixed ring, so that the device is righted in pipelines with different diameters.

Drawings

Fig. 1 is a front view of a downhole pressure monitoring device for horizontal well pressure having a centralizer.

Fig. 2 is a schematic structural view of a downhole pressure monitoring device for horizontal well pressure having a centralizer.

Fig. 3 is an enlarged view of a in fig. 2 of a downhole pressure monitoring device for horizontal well pressure having a centralizer.

Fig. 4 is a schematic structural diagram of a pressing block in a downhole pressure monitoring device for horizontal well pressure with a centralizer.

In the figure: 1. a pipe body; 2. a fixing ring; 3. a movable ring; 4. a connecting seat; 5. an elastic sheet; 6. rotating the sleeve; 7. a thread; 8. an oil pipe interface; 9. a pressure sensor; 10. a compression block; 11. locking the nut; 12. a sliding groove; 13. a fixed block; 14. a spring; 15. and (4) anti-slip teeth.

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 to 4, in an embodiment of the present invention, a downhole pressure monitoring device for horizontal well pressure with a centralizer includes a pipe body 1, a fixing ring 2 is fixedly connected to a lower end of the pipe body 1, a movable ring 3 is sleeved on an outer surface of the pipe body 1 above the fixing ring 2, connecting seats 4 are fixedly connected to peripheral sides of the movable ring 3 and the fixing ring 2, diameters of the fixing ring 2 and the movable ring 3 are the same, the connecting seats 4 are aligned, an elastic sheet 5 is rotatably connected between the connecting seats 4, a thread 7 is arranged on an outer surface of the pipe body 1 at an upper end of the movable ring 3, a rotating sleeve 6 is sleeved on an outer side of the thread 7, and a lower end of the rotating sleeve 6 contacts with an; rotate and rotate cover 6, rotate cover 6 and rotate the downstream, rotate cover 6 and rotate and will oppress the downstream of loose ring 3, loose ring 3 downstream oppression flexure strip 5 props up, prop up through flexure strip 5 and right body 1, in the pipeline of difference, rotate cover 6 through rotating to rotate and change the position of rotating cover 6, rotate the height that the position control flexure strip 5 of cover 6 propped through the change, so that right body 1 in the pipeline of difference.

1 inside fixedly connected with oil pipe interface 8 of body, the below fixed mounting that 1 inside of body is located oil pipe interface 8 has pressure sensor 9, monitor the inside pressure of oil well through

pressure sensor

9, 1 upper end both sides of body insert have compact heap 10, compact heap 10 is located the top of oil pipe interface 8, compact heap 10 one end is located 1 inside antiskid tooth 15 of having seted up of body, through antiskid tooth 15 increase compact heap and have the frictional force between the oil pipe, sliding tray 12 has been seted up to compact heap 10 below, compact heap 10 lower extreme fixedly connected with fixed block 13, fixed block 13 one end fixedly connected with spring 14, spring 14 one end and sliding tray 12 fixed connection, 1 upper end threaded connection of body has lock nut 11. One end of the oil pipe is connected to the oil pipe connector 8 in a threaded mode, the locking nut 11 is rotated, the locking nut 11 moves downwards to press the pressing block 10 to the inside of the pipe body 1, the periphery of the oil pipe is pressed tightly, and the oil pipe is fastened to be connected with the device.

The utility model discloses a theory of operation is:

when the device is used, one end of the oil pipe is connected on the oil pipe interface 8 through the thread, by rotating the locking nut 11, the locking nut 11 moves downwards to press the pressing block 10 to the inside of the pipe body 1, the peripheral side of the oil pipe is pressed, the connection between the oil pipe and the device is fastened, then by rotating the rotating sleeve 6, the rotating sleeve 6 rotates to move downwards, the rotating sleeve 6 rotates to press the movable ring 3 to move downwards, the movable ring 3 moves downwards to press the elastic sheet 5 to prop up, and the elastic sheet 5 props up to centralize the pipe body 1, in different pipelines, the position of the rotating sleeve 6 is changed by rotating the rotating sleeve 6, the supporting height of the elastic sheet 5 is adjusted by changing the position of the rotating sleeve 6, so that the pipe body 1 can be righted in different pipelines, the pressure inside the well is monitored by means of the pressure sensor 9 when the device is lowered into position.

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

1. The underground pressure monitoring device with the centralizer for the horizontal well pressure comprises a pipe body (1) and is characterized in that a fixing ring (2) is fixedly connected to the lower end of the pipe body (1), a movable ring (3) is sleeved on the outer surface of the pipe body (1) above the fixing ring (2), connecting seats (4) are fixedly connected to the peripheral sides of the movable ring (3) and the fixing ring (2), elastic pieces (5) are rotatably connected between the connecting seats (4), threads (7) are arranged on the outer surface of the pipe body (1) and located at the upper end of the movable ring (3), and a rotating sleeve (6) is sleeved on the outer side of each thread (7);

the oil pipe is characterized in that an oil pipe connector (8) is fixedly connected to the inside of the pipe body (1), compression blocks (10) are inserted into two sides of the upper end of the pipe body (1), the compression blocks (10) are located above the oil pipe connector (8), sliding grooves (12) are formed in the lower portions of the compression blocks (10), fixing blocks (13) are fixedly connected to the lower ends of the compression blocks (10), springs (14) are fixedly connected to one ends of the fixing blocks (13), one ends of the springs (14) are fixedly connected with the sliding grooves (12), and locking nuts (11) are connected to the upper end of the pipe body (.

2. A downhole pressure monitoring device for horizontal well pressure with a centralizer according to claim 1, characterized in that a pressure sensor (9) is fixedly mounted inside the pipe body (1) below the tubing joint (8).

3. The device for monitoring the pressure in the well with the centralizer for the horizontal well pressure is characterized in that one end of the pressing block (10) is positioned inside the pipe body (1) and is provided with anti-skid teeth (15).

4. A downhole pressure monitoring device for horizontal well pressure with centralizer according to claim 1 characterized by that the fixed ring (2) and the movable ring (3) have the same diameter and the connecting seats (4) are aligned.

5. A device for monitoring the pressure in a well for horizontal well pressures with centraliser according to claim 1, characterised in that the lower end of the rotating sleeve (6) is in contact with the upper end of the mobile ring (3).