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CN-121993390-A - High-speed motor pump test calibration device and calibration method

CN121993390ACN 121993390 ACN121993390 ACN 121993390ACN-121993390-A

Abstract

The invention relates to the technical field of oilfield oil extraction engineering, in particular to a high-speed motor pump test calibration device and a calibration method. The problem that the high-speed motor pump in the existing hydraulic actuator can not be independently tested before assembly is mainly solved. Be equipped with a plurality of tester (4) on test box (3), tester (4) are including lower pressure-bearing section of thick bamboo (413), and lower pressure-bearing section of thick bamboo (413) upper portion is connected test section of thick bamboo (405), and gland (404) are connected to test section of thick bamboo (405) upper end, connect electrical apparatus joint (406) and oil circuit joint (407) respectively on test section of thick bamboo (405) lateral wall, open bottom lower pressure-bearing section of thick bamboo (413) has oil circuit export (416), connects manometer (415) on lower pressure-bearing section of thick bamboo (413) lateral wall. The high-speed motor pump test calibration device can be used for independently testing the high-speed motor pump in the hydraulic actuator before the hydraulic actuator is assembled, so that the guide precision of the hydraulic actuator after the hydraulic actuator is assembled is ensured, and the working efficiency is improved.

Inventors

  • LI RUNQI
  • ZHAO HANQING
  • TAN XIAOPENG
  • YANG ZHIJIAN
  • ZHAO MIN
  • XU YUEQING
  • WANG CHUNHUA

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 (12)

  1. 1. The high-speed motor pump test calibration device comprises a test box (3) and is characterized in that a plurality of testers (4) are arranged on the test box (3), each tester (4) comprises a lower pressure-bearing barrel (413), the upper part of each lower pressure-bearing barrel (413) is connected with a test barrel (405), the upper end of each test barrel (405) is connected with a gland (404), the side walls of each test barrel (405) are respectively connected with an electrical connector (406) and an oil way connector (407), an oil way outlet (416) is formed in the bottom of each lower pressure-bearing barrel (413), and a pressure gauge (415) is connected to the side wall of each lower pressure-bearing barrel (413).
  2. 2. The high-speed motor pump test calibration device according to claim 1, wherein the electrical connector (406) is connected with the driving circuit (5), the oil way connector (407) is connected with the oil injection tank (7), the oil injection tank (7) is connected with the oil pump, the oil pump is connected with the driving motor (9), the driving circuit (5), the driving motor (9) and the pressure gauge (415) are connected with the control console (1), and the control console (1) is provided with the display (2).
  3. 3. The high-speed motor pump test calibration device according to claim 2, wherein the oil way outlet (416) is connected with the oil return tank (8), and the oil return tank (8) is connected with the oil injection tank (7) through a pipeline.
  4. 4. The high-speed motor pump test calibration device according to claim 3, wherein the motor pump (422) is arranged in the test cylinder (405), the bottom of the motor pump (422) is arranged in the lower pressure-bearing cylinder (413), a fixed connector connected with the motor pump (422) connector is arranged at the bottom of the lower pressure-bearing cylinder (413), and the circuit connector (406) is connected with the fixed connector through a lead.
  5. 5. The high-speed motor pump test calibration device according to claim 1, wherein the upper end of the lower pressure-bearing cylinder (413) is connected with a glass observation window (410), the upper end of the glass observation window (410) is connected with an oil collecting ring (409), a sealing connection cylinder (408) is arranged above the oil collecting ring (409), and the testing cylinder (405) is connected to the sealing connection cylinder (408).
  6. 6. The high-speed motor pump test calibration device according to claim 5, wherein a supporting column (411) is arranged outside the glass observation window (410), and the upper end and the lower end of the supporting column (411) are respectively connected to the oil collecting ring (409) and the lower pressure-bearing barrel (413).
  7. 7. The high-speed motor pump test calibration device according to claim 5, wherein the sealing connecting cylinder (408) is externally connected with the quick balancing stand (2), and the top of the quick balancing stand (2) is connected with the handle (401) through a screw (403).
  8. 8. The high-speed motor pump test calibration device according to claim 2, wherein the control console (1) comprises a lower control console support frame (112), and a power supply main switch (101), an oil pump switch (111), a power supply switch and an oil drain switch are arranged on the lower control console support frame (112).
  9. 9. The high-speed motor pump test calibration device according to claim 8, wherein the number of the testers (4) is 3, and the control console (1) is respectively provided with a corresponding power switch and a corresponding oil drain switch.
  10. 10. A method of calibrating a high speed motor pump test calibration device according to any of claims 1-9, comprising the steps of: S1, placing a motor pump (422) into a tester (4), and connecting a connector of the motor pump (4) with a fixed joint at the bottom of a lower pressure-bearing cylinder (413); S2, starting an oil pump, injecting hydraulic oil in an oil injection tank (7) into the tester (4), setting the motor rotating speed r 1 in a motor pump (422) and the hydraulic oil pressure P 1 in the tester (4) through a display (2); s3, after the motor rotates stably, a sensor in a motor pump (422) measures the actual rotating speed r 1 Real world of the motor, a pressure gauge (415) measures the pressure P 1 Real world born by the motor pump, and data are transmitted to a control system; S4, calculating a difference r 1 Difference of difference between the actual rotating speed of the motor and the rotating speed of the set motor by the control system; r 1 Difference of difference ＝r 1 -r 1 Real world S5, displaying a calculation result on a computer interface, and then issuing an instruction through a computer control system to reduce or increase the rotating speed by r 1 Difference of difference ; S6, repeating the steps S4 and S5, checking whether r 1 Difference of difference is 0, if not, repeating the steps S4 and S5, and if so, setting the motor rotation speed in the motor pump (422) as r 2 , and repeating the steps S2 to S5; S7, checking whether r 2 Difference of difference is within a range of +/-3, and if not, repeating the steps S4 and S5 until r 2 Difference of difference is within a range of +/-3 r/min; S8, adjusting the rotation speed of a motor in a motor pump (422) to be r 1 , repeating the steps S4 and S5, if r 1 Difference of difference is satisfied within a range of +/-3 r/min, entering the next step, otherwise, repeating the steps S4 to S7; S9, adjusting the motor rotation speed in the motor pump (422) to be r 3 , repeating the steps, and ending the test after the result is met when the motor rotation speed of the direct motor pump (422) is the rated maximum rotation speed.
  11. 11. The method for calibrating a high-speed motor pump test calibration device according to claim 10, wherein in the step S1, the number of the motor pumps (422) is not greater than the number of the testers (4), and one motor pump (422) is placed in each tester (4).
  12. 12. The method for calibrating a high-speed motor pump test calibration device according to claim 11, wherein the motor rotation speeds are respectively set to 1000r/min, 3000r/min and 5000r/min, and the hydraulic oil pressure is respectively adjusted at the corresponding rotation speeds.

Description

High-speed motor pump test calibration device and calibration method Technical Field The invention relates to the field of petroleum drilling ground test instruments, in particular to a high-speed motor pump test calibration device and a calibration method. Background The rotary guiding system integrates the drilling technology, the logging technology and the oil deposit engineering technology, and adopts geological parameter, engineering parameter measurement and control means while drilling to ensure that the real drilling well bore passes through the reservoir and obtains the optimal position, thereby having the characteristics of identifying the hydrocarbon reservoir while drilling and having strong guiding function. The system can realize true geosteering and is a high and new technology for 21 st century well drilling. At present, in a rotary guiding tool, a hydraulic actuator is an actuating mechanism for realizing a guiding function, and at present, the hydraulic actuator can only be tested through a pressure sensor after being assembled, and a high-speed motor pump in the hydraulic actuator cannot be independently tested before being assembled, so that the working efficiency is influenced and resources are wasted. Disclosure of Invention In order to overcome the defect that a high-speed motor pump in an existing hydraulic actuator cannot be independently tested before assembly, the invention provides the high-speed motor pump test calibration device and the calibration method. The technical scheme is that the high-speed motor pump test calibration device comprises a test box, wherein a plurality of testers are arranged on the test box, each tester comprises a lower pressure-bearing cylinder, the upper part of each lower pressure-bearing cylinder is connected with a test cylinder, the upper end of each test cylinder is connected with a gland, the side wall of each test cylinder is respectively connected with an electric appliance connector and an oil circuit connector, the bottom of each lower pressure-bearing cylinder is provided with an oil circuit outlet, and the side wall of each lower pressure-bearing cylinder is connected with a pressure gauge. Further, the electric connector is connected with the driving circuit, the oil way connector is connected with the oil filling tank, the oil filling tank is connected with the oil pump, the oil pump is connected with the driving motor, the driving circuit, the driving motor and the pressure gauge are all connected with the control console, and the control console is provided with the display. Further, the oil way outlet is connected with the oil return tank, and the oil return tank is connected with the oil injection tank through a pipeline. Further, a motor pump is arranged in the test cylinder, the bottom of the motor pump is positioned in the lower pressure-bearing cylinder, a fixed connector connected with the motor pump connector is arranged at the bottom of the lower pressure-bearing cylinder, and the circuit connector is connected with the fixed connector through a wire. Further, the upper end of the lower pressure-bearing cylinder is connected with a glass observation window, the upper end of the glass observation window is connected with an oil collecting ring, a sealing connecting cylinder is arranged above the oil collecting ring, and the testing cylinder is connected to the sealing connecting cylinder. Further, the outer portion of the glass observation window is provided with a support column, and the upper end and the lower end of the support column are respectively connected to the oil collecting ring and the lower pressure-bearing cylinder. Further, the sealing connecting cylinder is externally connected with a quick balancing stand, and the top of the quick balancing stand is connected with a handle through a screw rod. Further, the control console comprises a lower control console support frame, and a power supply main switch, an oil pump switch, a power supply switch and an oil drain switch are arranged on the lower control console support frame. Further, the number of the testers is 3, and the control console is respectively provided with a corresponding power switch and a corresponding oil drain switch. A calibration method of a high-speed motor pump test calibration device according to any one of the preceding claims, comprising the steps of: S1, placing a motor pump into a tester, and connecting a connector of the motor pump with a fixed joint at the bottom of a lower pressure-bearing cylinder; s2, starting an oil pump, injecting hydraulic oil in an oil injection tank into the tester, setting the motor rotating speed r 1 in the motor pump and the hydraulic oil pressure P 1 injected into the tester through a display; S3, after the motor rotates stably, a sensor in the motor pump measures the actual rotating speed r 1 Real world of the motor, a pressure gauge measures the pressure P 1 Real world born by the motor pump, and data ar