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CN-121994462-A - Screw drilling tool performance test system and test method

CN121994462ACN 121994462 ACN121994462 ACN 121994462ACN-121994462-A

Abstract

The invention discloses a screw drilling tool performance test system and a screw drilling tool performance test method, and belongs to the technical field of drilling. In the test system, a screw drilling tool is connected to a screw drilling tool complete machine test bed, the screw drilling tool is accommodated in a heat-preserving sleeve, and two ends of the screw drilling tool penetrate through the heat-preserving sleeve in a sealing manner. The hot air circulation assembly comprises a heater, a fan, an air inlet pipeline and an air outlet pipeline, wherein two ends of the air inlet pipeline are respectively connected to the heater and the heat insulation sleeve, the fan is positioned on the air inlet pipeline, two ends of the air outlet pipeline are connected to the electric control heater and the heat insulation sleeve, and the electric control assembly is used for controlling the operation of the heater and the fan. The test system can simulate the underground high-temperature environment born by the stator rubber of the screw drilling tool, is used for evaluating the influence of the stator rubber on the output performance of the screw drilling tool after underground high-temperature expansion, and is used for evaluating the service life of the stator rubber of the screw drilling tool at high temperature.

Inventors

  • WANG CHUNYANG
  • SONG SUHAN
  • XIA XIUWEN
  • CAO DAOKUN
  • LU TIANMING
  • QU ZHE
  • ZHANG SONGFENG
  • WEI XIANGHUI
  • SUN HONGFEI
  • HUANG YUANBIN

Assignees

  • 中国石油集团渤海石油装备制造有限公司
  • 中国石油天然气集团有限公司
  • 渤海石油装备（天津）中成机械制造有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (10)

  1. 1. The screw drilling tool performance test system is characterized by comprising a screw drilling tool complete machine test bench (100); -a screw drilling tool (200), the screw drilling tool (200) being connected to the screw drilling tool complete machine test stand (100) for performance testing by the screw drilling tool complete machine test stand (100); A heat-insulating sleeve (300), wherein the screw drilling tool (200) is accommodated in the heat-insulating sleeve (300), and two ends of the screw drilling tool (200) penetrate through the heat-insulating sleeve (300) in a sealing manner; The hot air circulation assembly (400), the hot air circulation assembly (400) comprises a heater (41), a fan (42), an air inlet pipeline (43) and an air outlet pipeline (44), two ends of the air inlet pipeline (43) are respectively connected to the heater (41) and the heat insulation sleeve (300), the fan (42) is arranged on the air inlet pipeline (43), and two ends of the air outlet pipeline (44) are respectively connected to the electric control heater (41) and the heat insulation sleeve (300); an electronic control assembly (500), the electronic control assembly (500) being used for controlling the operation of the heater (41) and the fan (42).
  2. 2. The screw drilling tool performance test system according to claim 1, wherein the heater (41) is a silicon controlled electric heater (41), the heater (41) having a silicon controlled rectifier electrically connected to the electrical control assembly (500); and/or the number of the groups of groups, The fan (42) is a centrifugal fan (42), and the fan (42) is used for performing constant temperature control on the heat preservation sleeve (300).
  3. 3. The screw drill performance testing system according to claim 1, wherein the air inlet conduit (43) and the air outlet conduit (44) are flexible conduits.
  4. 4. A screw drill performance testing system according to claim 3, wherein the air inlet pipe (43) comprises a main pipe (431) and a plurality of sub-pipes (432) arranged in parallel, one end of each of the plurality of sub-pipes (432) is communicated with the main pipe (431), and the other ends of the plurality of sub-pipes (432) are respectively communicated with a plurality of air inlets arranged on the heat insulation sleeve (300).
  5. 5. The screw drill performance testing system of claim 1, wherein the electronic control assembly (500) comprises a controller (51) and a plurality of temperature sensors (52), the plurality of temperature sensors (52) being located at different locations of the insulating sleeve (300) respectively for monitoring the temperature of the insulating sleeve (300); The controller (51) is electrically connected with the temperature sensor (52), the heater (41) and the fan (42).
  6. 6. The screw drill performance testing system of claim 5, wherein the electronic control assembly (500) further comprises a temperature control display (53), the temperature control display (53) being electrically connected to the plurality of temperature sensors (52) and the controller (51), respectively, for displaying the temperature of the thermal sleeve (300); the temperature control display (53) further comprises an alarm element, and the alarm element is used for sending an alarm signal when the temperature of the heat preservation sleeve (300) exceeds a set threshold value.
  7. 7. The screw drill performance testing system according to any one of claims 1-6, wherein the heat retaining sleeve (300) comprises a barrel (31) and connecting flanges (32) connected to both ends of the barrel (31) distributed along its axial direction; the cylinder body (31) comprises a stainless steel inner layer (311), a heat preservation layer (312) and a stainless steel outer layer (313) which are distributed in sequence from inside to outside along the radial direction.
  8. 8. The screw drilling tool performance test system according to claim 7, wherein both ends of the screw drilling tool (200) are provided with end seal assemblies (21), the end seal assemblies (21) being adapted for sealing connection with the connection flange (32).
  9. 9. The screw drilling tool performance test system of claim 8, wherein the end seal assembly (21) comprises a seal ring (211), a locking sleeve (212), a packing (213), and a packing (213) gland; the sealing ring (211) comprises a large-diameter sealing section and a small-diameter sealing section which are connected, the large-diameter sealing section of the sealing ring (211) is clamped between the inner side wall of the connecting flange (32) and the outer side wall of the screw drilling tool (200), an inner annular gap is formed between the small-diameter sealing section of the sealing ring (211) and the outer side wall of the screw drilling tool (200), and an outer annular gap is formed between the small-diameter sealing section of the sealing ring (211) and the inner side wall of the connecting flange (32); the shaft sleeve part of the locking sleeve (212) is fixedly connected with the connecting flange (32), and the end cover of the locking sleeve (212) is abutted against the end part of the connecting flange (32); the packing (213) is located in the inner annular gap and abuts against the end part of the large-diameter sealing section of the sealing ring (211), and the packing (213) is pressed into the inner annular gap by the gland to press the packing (213).
  10. 10. A method for testing the performance of a screw drilling tool, characterized in that the screw drilling tool performance testing method adopts the screw drilling tool performance testing system according to any one of claims 1 to 9.

Description

Screw drilling tool performance test system and test method Technical Field The invention relates to the technical field of drilling, in particular to a screw drilling tool performance test system and a screw drilling tool performance test method. Background With the increase of the petroleum drilling depth, the ground temperature is gradually increased, and the stratum temperature can be increased by about 3 ℃ when the depth is increased by 1000 meters, and when the drilling depth exceeds ten thousand meters, the downhole temperature is generally over 260 ℃. Under the background, the stator rubber is in the high-temperature scene, so that the rubber is easy to age and lose effectiveness due to overhigh well temperature, the screw drilling tool loses power, unnecessary drilling operation is caused, and the drilling operation cost is obviously increased. In order to develop novel rubber to adapt to high-temperature working conditions, a temperature-resistant simulation test of the screw drilling tool needs to be carried out on an indoor screw drilling tool test bed, however, the currently known screw drilling tool test bed only has a normal-temperature test function and cannot simulate a high-temperature environment, so that the output performance and the temperature-resistant grade of the screw drilling tool at high temperature cannot be verified. Disclosure of Invention In view of the above, the invention provides a screw drilling tool performance test system and a test method, which can solve the technical problems existing in the related art. Specifically, the method comprises the following technical scheme: In one aspect, a screw drilling tool performance test system is provided, the test system comprises a screw drilling tool complete machine test bed; The screw drilling tool is connected to the screw drilling tool complete machine test bed so as to perform performance test through the screw drilling tool complete machine test bed; The screw drilling tool is accommodated in the heat-preserving sleeve, and two ends of the screw drilling tool penetrate through the heat-preserving sleeve in a sealing manner; the hot air circulation assembly comprises a heater, a fan, an air inlet pipeline and an air outlet pipeline, wherein two ends of the air inlet pipeline are respectively connected to the heater and the heat preservation sleeve, and the fan is arranged on the air inlet pipeline; And the electric control assembly is used for controlling the operation of the heater and the fan. In some possible implementations, the heater is a silicon controlled electric heater having a silicon controlled rectifier electrically connected to the electronic control assembly; and/or the number of the groups of groups, The fan is a centrifugal fan, and the fan is used for performing constant temperature control on the heat preservation sleeve. In some possible implementations, the air intake duct and the air outlet duct are flexible ducts. In some possible implementations, the air inlet pipeline includes a main pipeline and a plurality of subducting that parallel arrangement, a plurality of subducting's one end with the main pipeline is linked together, a plurality of subducting's the other end respectively with a plurality of air intakes that set up on the heat preservation sleeve are linked together. In some possible implementations, the electronic control assembly includes a controller and a plurality of temperature sensors located at different locations of the insulating sleeve, respectively, for monitoring the temperature of the insulating sleeve; The controller is electrically connected with the temperature sensor, the heater and the fan. In some possible implementations, the electronic control assembly further includes a temperature control display electrically connected to the plurality of temperature sensors and the controller, respectively, for displaying the temperature of the thermal sleeve; The temperature control display also comprises an alarm element, wherein the alarm element is used for sending an alarm signal when the temperature of the heat preservation sleeve exceeds a set threshold value. In some possible implementations, the thermal sleeve includes a cylinder and connection flanges connected to both ends of the cylinder that are distributed along an axial direction thereof; The cylinder body comprises a stainless steel inner layer, an insulating layer and a stainless steel outer layer which are sequentially distributed from inside to outside along the radial direction. In some possible implementations, the screw drilling tool is provided with end seal assemblies at both ends for sealing connection with the connection flange. In some possible implementations, the end seal assembly includes a seal ring, a locking sleeve, a packing, and a packing gland; The sealing ring comprises a large-diameter sealing section and a small-diameter sealing section which are connected, the large-diameter sealing section o