Search

CN-224228662-U - Oil well down-pressure testing device

CN224228662UCN 224228662 UCN224228662 UCN 224228662UCN-224228662-U

Abstract

The utility model relates to the technical field of underground pressure testing, and discloses an oil well underground pressure testing device which comprises a bottom plate, wherein a supporting seat is fixedly arranged on the top surface of the bottom plate, a sliding plate is arranged on the top surface of the supporting seat, and a winch is arranged on the top surface of the sliding plate. Through rotating first hand wheel, drive the dwang and rotate, utilize the meshing of first bevel gear and second bevel gear, the meshing of worm and worm wheel and the meshing of gear and rack, can control the sliding plate and remove along the spout in the backup pad, thereby can send oil pressure sensor to the relevant position of oil wellhead department, conveniently test the pressure in the oil well, the corresponding position in the oil well of transferring oil pressure sensor through the connecting rope on the hoist engine, and accessible oil pressure sensor tests oil pressure in the pit, the connecting rope on the hoist engine is still accessible withdraws oil pressure sensor simultaneously, it is comparatively convenient to use.

Inventors

  • ZHAO XIANGMING

Assignees

  • 天津大泛华石油科技有限公司

Dates

Publication Date
20260512
Application Date
20250701

Claims (8)

  1. 1. The oil well down pressure testing device comprises a bottom plate (1) and is characterized in that a supporting seat (3) is fixedly arranged on the top surface of the bottom plate (1), a sliding plate (5) is arranged on the top surface of the supporting seat (3), a winch (6) is arranged on the top surface of the sliding plate (5), a connecting rope is arranged on the winch (6), one end of the connecting rope is connected with an oil pressure sensor (2), a mounting groove is formed in the right side of the bottom surface of the sliding plate (5), a rack (16) is arranged in the mounting groove, a mounting cavity is formed in the right side of the supporting seat (3), two side inner walls of the mounting cavity are rotationally connected with rotating shafts (14), gears (12) and worm gears (13) are respectively arranged on two side outer rings of the rotating shafts (14), a worm (15) is rotationally connected in the cavity formed in one end of the worm (15), a second bevel gear (18) is rotationally connected in the mounting cavity formed in the supporting seat (3), and a first bevel gear (11) is rotationally connected with a rotating rod (11) extending to the outside the supporting seat (3).
  2. 2. The device for testing the pressure under the oil well according to claim 1, wherein the two sides of the top surface of the bottom plate (1) are welded with the supporting plates (9), one sides of the two supporting plates (9) close to each other are provided with sliding grooves, sliding blocks are placed in the sliding grooves, the outer walls of the sliding blocks are fixedly connected with the side walls of the two sides of the sliding plate (5) respectively, and the vertical sections of the sliding grooves are T-shaped.
  3. 3. The downhole pressure testing device according to claim 1, wherein the worm wheel (13) is meshed with the worm (15), the gear (12) is meshed with the rack (16), and the first bevel gear (17) is meshed with the second bevel gear (18).
  4. 4. The device for testing the pressure under the oil well according to claim 1, wherein the right end of the rotating rod (11) penetrates through the supporting plate (9) positioned on the right side, and a first hand wheel (10) is installed at one end of the rotating rod (11) penetrating through the supporting plate (9) on the right side.
  5. 5. The device for testing the pressure under the oil well according to claim 1, wherein a through hole is formed in one side of the top of the sliding plate (5), one end of the connecting rope arranged on the winch (6) penetrates through the through hole formed in the sliding plate (5), and a placing groove matched with the top of the oil pressure sensor (2) is formed in the bottom surface of the sliding plate (5) and located on the through hole.
  6. 6. The device for testing the pressure under the oil well according to claim 1, wherein the supporting seat (3) and the bottom plate (1) are arranged on one side of the front face, the inner wall of the placing groove is provided with a protective rubber pad, the oil pressure sensor (2) can be accommodated in the placing groove, and four universal wheels (4) are arranged on the bottom surface of the bottom plate (1).
  7. 7. The oil well down pressure testing device according to claim 1, wherein the lower portion of the back side of the supporting seat (3) is provided with a groove, the bottom plate (1) and the top of the groove provided on the back side of the supporting seat (3) are provided with threaded holes penetrating through the bottom plate (1), threaded rods (20) matched with the threaded holes are arranged in the threaded holes, the top of each threaded rod (20) is provided with a second hand wheel (19), and the bottom end of each threaded rod (20) is provided with a limiting plate (21).
  8. 8. The device for testing the pressure under the oil well according to claim 2, wherein a connecting plate (7) is fixedly arranged at the upper part of the back surface of one side, which is close to each other, of the two supporting plates (9), and a handle (8) is arranged on the connecting plate (7).

Description

Oil well down-pressure testing device Technical Field The utility model relates to the technical field of downhole pressure testing, in particular to an oil well downhole pressure testing device. Background In the process of oil well exploitation and related production operation, accurate acquisition of pressure data under an oil well is important, so that the production efficiency, safe operation, formulation of subsequent production strategies and the like of the oil well are concerned, an oil pressure sensor is used as key equipment for acquiring the pressure data under the oil well and needs to be accurately placed at a designated position under the oil well, however, in actual operation, the depth of the oil well is usually large, how to accurately and conveniently convey the oil pressure sensor to the corresponding depth under the oil well becomes a great difficulty, and in the traditional mode, a plurality of inconveniences are often caused in the operation process, such as difficulty in accurately controlling the lowering depth of the sensor, the acquired pressure data is inaccurate, and judgment on the production condition of the oil well is influenced. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides an oil well pressure testing device for solving the problems of the background art. The utility model provides a technical scheme that the oil well pressure testing device comprises a bottom plate, wherein a supporting seat is fixedly arranged on the top surface of the bottom plate, a sliding plate is arranged on the top surface of the supporting seat, a winch is arranged on the top surface of the sliding plate, a connecting rope is arranged on the winch, one end of the connecting rope is connected with an oil pressure sensor, the right side of the bottom surface of the sliding plate is provided with a mounting groove, a rack is arranged in the mounting groove, a mounting cavity is formed in the right side of the supporting seat, rotating shafts are rotatably connected to the inner walls of the two sides of the mounting cavity, a gear and a worm wheel are respectively arranged on the outer rings of the two sides of the rotating shafts, a worm is rotatably connected in a cavity formed in the supporting seat, one end of the worm is provided with a second bevel gear, a rotating rod extending to the outer portion of the supporting seat is rotatably connected in the mounting cavity formed in the supporting seat, and one end of the rotating rod is provided with a first bevel gear. As a preferable technical scheme of the utility model, the two sides of the top surface of the bottom plate are welded with the supporting plates, one sides of the two supporting plates, which are close to each other, are provided with the sliding grooves, the sliding blocks are arranged in the sliding grooves, the outer walls of the sliding blocks are fixedly connected with the side walls of the two sides of the sliding plates respectively, and the vertical sections of the sliding grooves are in T shapes. As a preferable embodiment of the present utility model, the worm wheel is meshed with the worm, the gear is meshed with the rack, and the first bevel gear is meshed with the second bevel gear. As a preferable technical scheme of the utility model, the right end of the rotating rod penetrates through the supporting plate positioned on the right side, and a first hand wheel is arranged at one end of the rotating rod penetrating through the right supporting plate. As a preferable technical scheme of the utility model, a through hole is formed in one side of the top of the sliding plate, one end of the winch, provided with the connecting rope, penetrates through the through hole formed in the sliding plate, and a placing groove matched with the top of the oil pressure sensor is formed in the bottom surface of the sliding plate, located in the through hole. As a preferable technical scheme of the utility model, the supporting seat and the bottom plate are both provided with the placing grooves on one side of the front surface, the inner walls of the placing grooves are provided with the protective rubber pads, the placing grooves can accommodate the oil pressure sensors, and the bottom surface of the bottom plate is provided with four universal wheels. As a preferable technical scheme of the utility model, the lower part of the support seat on one side of the back surface is provided with a groove, the top of the bottom plate, which is positioned on the back surface of the support seat and provided with a threaded hole penetrating through the bottom plate, a threaded rod matched with the threaded hole is arranged in the threaded hole, the top of the threaded rod is provided with a second hand wheel, and the bottom end of the threaded rod is provided with a limiting plate. As a preferable technical scheme of the utility model, a connecting plate is fixedly arranged at the upper part of th