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CN-121994268-A - Positioning tool test calibration device and calibration method

CN121994268ACN 121994268 ACN121994268 ACN 121994268ACN-121994268-A

Abstract

The invention relates to the technical field of oilfield oil extraction engineering, in particular to a positioning tool test calibration device and a calibration method. The positioning tool mainly solves the problems that an existing positioning tool is complex in testing and calibrating procedure and cannot calibrate accurately. The base comprises a magnet console frame (1) and a multi-layer walking frame (14), wherein a magnet moving device is arranged on the magnet console frame (1), a magnet (8) is arranged on the magnet moving device, the magnet moving device drives the magnet (8) to move along the Y axis and the Z axis, a positioning tool moving device is arranged on the multi-layer walking frame (14), a positioning tool (17) is arranged on the positioning tool moving device, and the positioning tool moving device drives the positioning tool (17) to move along the X axis, the Y axis and the Z axis. The positioning tool testing and calibrating device can simulate the underground environment on the ground, test and accurately calibrate the positioning tool, and provide more accurate track measurement and control data for on-site drilling construction.

Inventors

  • LI RUNQI
  • YANG ZHIJIAN
  • XU YUEQING
  • ZHAO HANQING
  • ZHANG XIN
  • ZHANG ZHENHUA
  • WANG CHUNHUA
  • XIA MENGYING

Assignees

  • 大庆钻探工程有限公司
  • 中国石油天然气集团有限公司

Dates

Publication Date
20260508
Application Date
20241031

Claims (13)

  1. 1. The positioning tool testing and calibrating device comprises a base, wherein the base comprises a magnet console frame (1) and a multi-layer walking frame (14), and the magnet console frame (1) and the multi-layer walking frame are connected through a stabilizing frame (13), and is characterized in that a magnet moving device is arranged on the magnet console frame (1), a magnet (8) is arranged on the magnet moving device, the magnet moving device drives the magnet (8) to move along the Y axis and the Z axis, a positioning tool moving device is arranged on the multi-layer walking frame (14), a positioning tool (17) is arranged on the positioning tool moving device, and the positioning tool moving device drives the positioning tool (17) to move along the X axis, the Y axis and the Z axis.
  2. 2. The positioning tool test calibration device according to claim 1, wherein the magnet moving device comprises a bottom plate (4), a positioning rod (3) in the vertical direction is fixed above the magnet console frame (1), the bottom plate (4) is connected to the positioning rod (3) in a sliding mode, a lead screw (10) in the Y-axis direction is arranged on the bottom plate (4), a magnet support bracket (6) is connected to the lead screw (10), and the magnet (8) is fixed to the magnet support bracket (6).
  3. 3. The positioning tool test calibration device according to claim 2, wherein the bottom of the magnet support bracket (6) is connected with a guide wheel (5), and the guide wheel (5) is positioned on the upper surface of the bottom plate (4).
  4. 4. A positioning tool test calibration device according to claim 3, wherein one end of the screw rod (10) is connected with a driving motor (12) through a cross universal joint (11), and the driving motor (12) is fixed on the magnet support bracket (6).
  5. 5. The positioning tool test calibration device according to claim 2, wherein at least one hydraulic arm (2) in the vertical direction is connected below the bottom plate (4), and the lower end of the hydraulic arm (2) is connected to the bottom surface of the magnet console frame (1).
  6. 6. The positioning tool test calibration device according to claim 1, wherein the positioning tool moving device comprises an X-axis walking frame (23) and a Y-axis walking frame (20), the X-axis walking frame (23) is fixed at the top of the multi-layer walking frame (14), the Y-axis walking frame (20) moves along the X-axis walking frame (23) through a guide wheel device, the Y-axis walking frame (20) is connected with a rope disc (19) capable of moving along the Y-axis walking frame through the guide wheel device, and the bottom of the rope disc (19) is connected with the positioning tool (17) through a rope.
  7. 7. The positioning tool test calibration device according to claim 6, wherein the end part of the Y-axis walking frame (20) is connected with an X-axis walking motor (24), and the X-axis walking motor (24) drives the Y-axis walking frame (20) to move along the X-axis walking frame (23).
  8. 8. The positioning tool test calibration device according to claim 6, wherein the rope disc (19) is connected with a Y-axis traveling motor (26), and the Y-axis traveling motor (26) drives the rope disc (19) to move along the Y-axis traveling frame (20).
  9. 9. The positioning tool test calibration device according to claim 6, wherein the guide wheel device comprises 2 guide wheels (22), the guide wheels (22) are respectively positioned at two sides of the walking frame, and the guide wheels (22) at two sides are connected through a U-shaped stabilizing frame (21).
  10. 10. The positioning tool test calibration device according to any one of claims 1 to 9, wherein scales are respectively arranged on the positioning rod (3), the Y-axis direction on the bottom plate (4), the X-axis walking frame (23) and the Y-axis walking frame (20).
  11. 11. A calibration method of a positioning tool test calibration device according to claim 10, characterized in that the positioning tool (17) is stationary; the driving motor (12) drives the magnet (8) to move along the Y-axis direction, the hydraulic arm (2) drives the bottom plate (4) to move up and down along the positioning rod (3), and the moving distance is recorded; The measuring sensor in the positioning tool (17) detects the magnetic field value, and obtains the relative distance between the positioning tool (17) and the magnet (8) according to the magnetic field value, and the relative distance is compared with the actual moving distance of the magnet (8), and if the deviation exists, the calibration coefficient is determined after a plurality of measurements.
  12. 12. A calibration method of a positioning tool test calibration device according to claim 10, characterized in that the magnet (8) is stationary; The X-axis walking motor (24) drives the Y-axis walking frame (20) to move along the X-axis direction, the Y-axis walking motor (26) drives the rope disc (19) to move along the Y-axis direction, the rope disc (19) drives the positioning tool (17) to move up and down along the Z-axis, the positioning tool (17) is moved along three directions of X, Y, Z axes, and the moving distance is recorded; The measuring sensor in the positioning tool (17) detects the magnetic field value, and obtains the relative distance between the positioning tool (17) and the magnet (8) according to the magnetic field value, and the relative distance is compared with the actual moving distance of the positioning tool (17), and if the deviation exists, the calibration coefficient is determined after a plurality of measurements.
  13. 13. A calibration method of a positioning tool test calibration device according to claim 10 is characterized in that the driving motor (12) drives the magnet (8) to move along the Y-axis direction, the hydraulic arm (2) drives the bottom plate (4) to move up and down along the positioning rod (3), and the moving distance of the magnet is recorded; The X-axis walking motor (24) drives the Y-axis walking frame (20) to move along the X-axis direction, the Y-axis walking motor (26) drives the rope disc (19) to move along the Y-axis direction, the rope disc (19) drives the positioning tool (17) to move up and down along the Z-axis, the positioning tool (17) is moved along three directions of X, Y, Z axes, and the moving distance is recorded; The measuring sensor in the positioning tool (17) detects the magnetic field value, and obtains the relative distance between the positioning tool (17) and the magnet (8) according to the magnetic field value, and the relative distance is compared with the moving distance of the magnet and the moving distance of the positioning tool, and if the deviation exists, the calibration coefficient is determined after a plurality of measurements.

Description

Positioning tool test calibration device and calibration method Technical Field The invention relates to the field of petroleum drilling ground test instruments, in particular to a positioning tool test calibration device and a calibration method. Background With the gradual exposure of production demands such as high-pressure well out-of-control well injection rescue, gas storage complex old well blocking, old oil area sleeve abandoned well rejection, environmental protection well treatment and the like, the domestic technology is also iteratively upgraded from an active positioning drilling technology to a passive positioning drilling technology. The existing passive positioning tool adopts a cable running mode, is limited to naked eye measurement, needs to run in operation by gravity after drilling and drifting, has complex procedures, has long running operation time, and cannot be used in high-inclination wells and horizontal wells. The positioning drilling technology is to correct the relative positions of the well being drilled and the target well by introducing a rotating magnetic field positioning technology and measuring and correcting the magnetic field in real time and guide the accurate orientation of the two wells. The rotary magnetic field positioning technology mainly comprises a magnetic nipple and a magnetic field signal measurement probe, and the derivation of the azimuth deviation and the distance deviation of the positive drilling relative to the target well is realized through an algorithm. The conventional external field calibration adopts a rough simple testing device to perform ground test on the positioning tool, so that complicated testing preparation of a program is needed to obtain available calibration data, a large amount of manpower and material resources are consumed, meanwhile, the device is limited to be simple, the complex working condition is difficult to simulate, the positioning tool can only be qualitatively evaluated, and accurate calibration is difficult to achieve. At present, no device and method for indoor simulation calibration of a positioning tool exist. Disclosure of Invention In order to overcome the defects that the existing positioning tool test calibration program is complicated and cannot be calibrated accurately, the invention provides the positioning tool test calibration device and the calibration method. The technical scheme of the invention is that the positioning tool test calibration device comprises a base, wherein the base comprises a magnet console frame and a multi-layer walking frame which are connected through a stabilizing frame, and the positioning tool test calibration device is characterized in that a magnet moving device is arranged on the magnet console frame, a magnet is arranged on the magnet moving device, and the magnet moving device drives the magnet to move along the Y-axis and Z-axis directions; the multi-layer walking frame is provided with a positioning tool moving device, the positioning tool moving device is provided with a positioning tool, and the positioning tool moving device drives the positioning tool to move along the X-axis, the Y-axis and the Z-axis directions. The magnet moving device comprises a base plate, a positioning rod in the vertical direction is fixed above the magnet console frame, the base plate is connected to the positioning rod in a sliding mode, a screw rod in the Y-axis direction is arranged on the base plate, a magnet support bracket is connected to the screw rod, and the magnet is fixed to the magnet support bracket. Further, the bottom of the magnet support bracket is connected with a guide wheel, and the guide wheel is positioned on the upper surface of the bottom plate. Further, one end of the screw rod is connected with a driving motor through a cross universal joint, and the driving motor is fixed on the magnet support bracket. Further, the hydraulic arm of at least one vertical direction is connected to the bottom plate below, and the hydraulic arm lower extreme is connected on magnet control cabinet frame bottom surface. The positioning tool moving device comprises an X-axis walking frame and a Y-axis walking frame, wherein the X-axis walking frame is fixed at the top of the multi-layer walking frame, the Y-axis walking frame moves along the X-axis walking frame through a guide wheel device, the Y-axis walking frame is connected with a rope disc capable of moving along the Y-axis walking frame through the guide wheel device, and the bottom of the rope disc is connected with the positioning tool through a rope. Further, the end part of the Y-axis walking frame is connected with an X-axis walking motor, and the X-axis walking motor drives the Y-axis walking frame to move along the X-axis walking frame. Further, the rope disc is connected with a Y-axis traveling motor, and the Y-axis traveling motor drives the rope disc to move along the Y-axis traveling frame. Further, the guide wheel device c