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CN-121976793-A - Directional well Duan Xiexiang ware position wireless measurement instrument

CN121976793ACN 121976793 ACN121976793 ACN 121976793ACN-121976793-A

Abstract

The invention relates to the technical field of oil drilling sidetracking, in particular to a wireless measuring tool for the azimuth of a directional well Duan Xiexiang device, which comprises a body, wherein a pressure control head is positioned at the center of the body, a plurality of choke rings and a plurality of choke rings are sleeved on the outer wall of the pressure control head in sequence, a diversion spring seat is sleeved on the outer wall of the lower end of a return spring sleeved on the outer wall of the upper end of the pressure control head, a measuring rod upper ball seat is arranged at the lower end of the pressure control head, a measuring rod is arranged in the measuring rod upper ball seat, a measuring rod lower ball seat is sleeved on the outer wall of the measuring rod, a step measuring cylinder is arranged at the lower end of the measuring rod upper ball seat, and the step measuring cylinder is positioned with the body through a circumferential locating pin. The orientation wireless measuring tool for the directional well Duan Xiexiang device is connected with the inclined plane body of the inclined plane device and the anchoring device, and pushes the pressure control head to descend by using circulating drilling fluid, and the pressure control head is sequentially contacted with the choke ring to generate pressure waves, so that the orientation of the whipstock in a directional well section or a horizontal well section is determined by calculating the number of the pressure waves, and the problem that the applicability of a cable car lowering gyro side inclinometer in the directional well section is poor is solved.

Inventors

  • LI BO
  • SUN JIAN
  • LIU WENZHI
  • WANG DAN
  • ZHENG RUIQIANG
  • WAN FAMING
  • WANG CHUNHUA
  • LI XIANGYONG
  • JI BO
  • YU XIAOBO
  • WU LEI
  • YANG CHAO

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
20260505
Application Date
20241025

Claims (13)

  1. 1. A directional well Duan Xiexiang device azimuth wireless measuring tool, which is characterized by comprising a body (2); the body (2) is of a hollow cylindrical structure, a pressure control head (1) is arranged in the body (2), and the pressure control head (1) is arranged in the center of the body (2); the pressure control head (1) consists of two parts, wherein the lower end of the pressure control head (1) is a cylindrical structure, and the upper end of the pressure control head is provided with a conical head; The outer wall of the upper end of the pressure control head (1) is sequentially sleeved with a plurality of throttle ring spacers (4) and a plurality of throttle rings (3) from top to bottom, the throttle ring spacers (4) are of hollow cylindrical structures, and annular grooves are formed in the outer walls of the two ends of the throttle ring spacers (4); The upper end of the body (2) is provided with an inwardly extending step which is used for limiting the throttle ring (3), and the outer wall of the pressure control head (1) is sleeved with a return spring (5); the outer wall of the lower end of the pressure control head (1) is sleeved with a guide spring seat (6), the inner wall of the guide spring seat (6) is clung to the outer wall of the pressure control head (1), and the outer wall of the guide spring seat (6) is clung to the inner wall of the body (1); The lower end of the pressure control head (1) is provided with a measuring rod upper ball seat (7), a measuring rod (9) is arranged in the measuring rod upper ball seat (7), a measuring rod lower ball seat (8) is sleeved on the outer wall of the measuring rod (9), and the measuring rod upper ball seat (7) is fixedly connected with the measuring rod lower ball seat (8); The lower end of the ball seat (7) on the measuring rod is provided with a step measuring cylinder (10), and the step measuring cylinder (10) is positioned with the body (2) through a circumferential positioning pin (11).
  2. 2. The directional well Duan Xiexiang instrument azimuth wireless measurement tool according to claim 1, wherein the throttle rings (3) are of annular structures, a throttle ring spacer (4) is arranged between every 2 throttle rings (3), and the throttle rings (3) are embedded into grooves at two ends of the throttle ring spacer (4).
  3. 3. The directional radio measuring tool for the azimuth of the directional well Duan Xiexiang as set forth in claim 1, wherein the diversion spring seat (6) has a ring-shaped structure, and the diversion spring seat (6) limits the lower end of the return spring (5).
  4. 4. The directional well Duan Xiexiang instrument for azimuth wireless measurement according to claim 3, wherein a plurality of through holes are circumferentially formed in the upper end of the diversion spring seat (6), and the through holes are diversion channels of the diversion spring seat (6).
  5. 5. The directional well Duan Xiexiang instrument azimuth wireless measurement tool according to claim 4, wherein the middle inner wall of the body (2) is provided with an inwardly extending step for limiting the diversion spring seat (6).
  6. 6. The directional radio measuring tool for the azimuth of the directional well Duan Xiexiang according to claim 1, wherein the measuring rod (9) is composed of two parts, the lower end of the measuring rod (9) is of a cylindrical structure, and the upper end of the cylindrical structure is provided with a spherical structure.
  7. 7. The directional radio measuring tool for the azimuth of the directional well Duan Xiexiang as set forth in claim 6, wherein the spherical structure provided at the upper end of the measuring rod (9) is rotatably connected with the upper ball seat (7) and the lower ball seat (8) of the measuring rod, and the lower ball seat (8) of the measuring rod limits the measuring rod (9).
  8. 8. The directional well Duan Xiexiang device azimuth wireless measuring tool according to claim 1, wherein the step measuring cylinder (10) is arranged in the body (2), and the outer wall of the step measuring cylinder (10) is tightly attached to the inner wall of the body (2).
  9. 9. The directional well Duan Xiexiang instrument azimuth wireless measurement tool according to claim 8, wherein the step measuring cylinder (10) is of a hollow cylindrical structure, and a plurality of steps are uniformly arranged on the step measuring cylinder (10) in the circumferential direction.
  10. 10. The directional well Duan Xiexiang instrument azimuth wireless measurement tool according to claim 9, wherein the number of steps on the step measuring cylinder (10) is matched with the number of a plurality of annular grooves arranged on the outer wall of the throttling ring spacer (4).
  11. 11. The directional well Duan Xiexiang device azimuth wireless measurement tool of claim 10, wherein the heights between steps of said step measurement barrel (10) circumferentially and uniformly arranged are decreased equidistantly.
  12. 12. A directional well Duan Xiexiang instrument according to claim 3, characterised in that the outer wall of the pressure control head (1) is provided with an outwardly extending annular step which limits the upper end of the return spring (5).
  13. 13. The directional well Duan Xiexiang device orientation wireless measurement tool of claim 1, wherein the upper inner wall of said body (2) is threaded.

Description

Directional well Duan Xiexiang ware position wireless measurement instrument Technical Field The invention relates to the technical field of oil drilling sidetracking, in particular to a wireless measuring tool for the azimuth of a directional well Duan Xiexiang. Background The whipstock plays a vital role in drilling engineering, particularly in the processes of casing windowing sidetracking and open hole sidetracking, sidetracking construction is usually carried out in a vertical well or a well section with a smaller well inclination angle, and the azimuth of the whipstock is measured by lowering a gyro sideslope meter through a cable car so as to adjust the azimuth, and in a directional well section or a horizontal well section, the traditional gyro sideslope meter cannot be used for measurement due to the complexity of a well track; In order to solve the problem, the current practice is to connect a measurement while drilling instrument at the upper end of the whipstock, and measure the azimuth of the whipstock by circulating drilling fluid, and the method can meet the measurement requirement to a certain extent but has some limitations, in particular, the measurement scheme cannot accurately control the sitting, hanging and anchoring of the whipstock in a pitching mode, which brings about a small challenge in practical operation; If the sitting, hanging and anchoring of the whipstock are controlled by adopting a circulating pressure difference mode, although a part of problems can be solved, underground complex conditions such as sitting, hanging and the like are easy to be caused in advance, the risk and difficulty of construction are increased, and a great improvement space still exists in the conventional measuring and controlling method when the azimuth measurement and sitting, hanging control of the whipstock of a directional well section and a horizontal well section are dealt with. Disclosure of Invention First, the technical problem to be solved The invention provides a wireless measuring tool for the azimuth of a directional well Duan Xiexiang, which aims to solve the problems that in the prior art, a gyro inclinometer cannot be used in a directional well section or a horizontal well, the azimuth of a whipstock is measured by using a measurement while drilling instrument through circulating drilling fluid, and the sitting, hanging and anchoring of the whipstock cannot be accurately controlled in a pitching mode. (II) technical scheme In order to achieve the above object, the present invention provides a directional well Duan Xiexiang machine direction wireless measurement tool, comprising a body; the body is of a hollow cylindrical structure, a pressure control head is arranged in the body, and the pressure control head is arranged in the center of the body; the pressure control head consists of two parts, the lower end of the pressure control head is a cylindrical structure, and the upper end of the pressure control head is provided with a conical head; the outer wall of the upper end of the pressure control head is sequentially sleeved with a plurality of throttle ring spacers and a plurality of throttle rings from top to bottom, the throttle ring spacers are of hollow cylindrical structures, and annular grooves are formed in the outer walls of the two ends of the throttle ring spacers; The upper end of the body is provided with an inwardly extending step which is used for limiting the throttling ring, and the outer wall of the pressure control head is sleeved with a return spring; The outer wall of the lower end of the pressure control head is sleeved with a diversion spring seat, the inner wall of the diversion spring seat is clung to the outer wall of the pressure control head, and the outer wall of the diversion spring seat is clung to the inner wall of the body; the lower end of the pressure control head is provided with a measuring rod upper ball seat, a measuring rod is arranged in the measuring rod upper ball seat, a measuring rod lower ball seat is sleeved on the outer wall of the measuring rod, and the measuring rod upper ball seat is fixedly connected with the measuring rod lower ball seat; the measuring rod is provided with a step measuring cylinder at the lower end of the ball seat, and the step measuring cylinder is positioned with the body through a circumferential positioning pin. Preferably, the throttling rings are of annular structures, a throttling ring spacer is arranged between every two throttling rings, and the throttling rings are embedded into grooves at two ends of the throttling ring spacer. Preferably, the guide spring seat is of an annular structure, and the guide spring seat limits the lower end of the return spring. Preferably, a plurality of through holes are circumferentially formed in the upper end of the guide spring seat, and the through holes are guide channels of the guide spring seat. Preferably, the middle inner wall of the body is provided with an in