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CN-121989025-A - Dismounting device and dismounting method for communication conversion pup joint

CN121989025ACN 121989025 ACN121989025 ACN 121989025ACN-121989025-A

Abstract

The invention discloses a dismounting device and a dismounting method for a communication conversion nipple, wherein the device comprises a dismounting sleeve, wherein the inside of the dismounting sleeve is hollow, one end of the dismounting sleeve is an opening, a C-shaped groove extending towards the other end of the dismounting sleeve is formed in the side wall of the dismounting sleeve, which is close to one end of the opening, a protruding part extending towards the other side of the C-shaped groove is formed in one side of the C-shaped groove, which is close to the opening of the dismounting sleeve, and the other end of the dismounting sleeve is connected with a driving mechanism for driving the dismounting sleeve to move. Realize the casing hole through actuating mechanism darker and with the tight core communication unit's of communication conversion nipple joint shells inner wall laminating quick assembly disassembly, the convenient position of adjusting core communication unit in the casing simultaneously, the communication wiring hole of being convenient for aligns, dismouting process easy and simple to handle, laborsaving, device simple structure, use cost is low.

Inventors

  • ZHAO YI
  • ZHANG ZHENHUA
  • YANG ZHIJIAN
  • WAN ZHENG
  • ZUO SHUAI

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 (10)

  1. 1. The dismounting device of the communication conversion nipple is characterized by comprising a dismounting sleeve (1); the inside of the dismounting sleeve (1) is hollow, and one end of the dismounting sleeve is provided with an opening; the side wall of the dismounting sleeve (1) close to one end of the opening is provided with a C-shaped groove (2) extending towards the other end of the dismounting sleeve; a bulge (3) extending towards the other side direction in the C-shaped groove (2) is arranged at one side in the C-shaped groove (2) and close to the opening of the dismounting sleeve (1); the other end of the disassembly and assembly sleeve (1) is connected with a driving mechanism for driving the disassembly and assembly sleeve (1) to rotate forwards and backwards and move back and forth along the axis; a head (14) of the core communication unit (10) is provided with an annular groove, and a rib (11) matched with the C-shaped groove (2) and the protruding part (3) of the dismounting sleeve (1) is arranged in the annular groove.
  2. 2. The communication conversion nipple dismounting device according to claim 1, wherein the driving mechanism comprises a transmission screw (4) and a nut (5); one end of the transmission screw (4) is connected with one end of the disassembly and assembly sleeve (1) far away from the C-shaped groove; The nut (5) is sleeved outside the transmission screw (4); the nut (5) is detachably connected with the communication conversion nipple shell (9) through the centralizing connector, and the nut (5) can rotate along the axis while being connected with the centralizing connector.
  3. 3. The communication conversion nipple dismounting device according to claim 2, characterized in that the righting connector is a fixed sleeve (6); The inside of the fixed sleeve (6) is hollow, one end of the fixed sleeve is provided with an opening, and the other end of the fixed sleeve (6) is provided with an internal thread; One end of the communication conversion nipple shell is provided with an external thread matched with the internal thread of the fixed sleeve (6); The fixing sleeve (6) is sleeved outside the transmission screw (4), and one end of the fixing sleeve (6) is connected with the nut (5); The fixed sleeve (6) is used for being connected with the communication conversion nipple shell (9).
  4. 4. The communication conversion nipple assembly and disassembly device according to claim 3, wherein: the side wall of the fixed sleeve (6) is provided with a plurality of through holes.
  5. 5. The communication conversion nipple dismounting device according to claim 2, further comprising a handle (7); the handles (7) are respectively arranged on two opposite side walls of the other end of the transmission screw (4) and two opposite side walls of the nut (5).
  6. 6. The communication conversion nipple assembly and disassembly device according to claim 5, wherein: the length of the handle on the nut (5) is longer than that of the handle on the transmission screw (4).
  7. 7. The communication conversion nipple assembly and disassembly device according to claim 1, wherein: The side wall of the dismounting sleeve (1) is provided with a plurality of hole grooves (8).
  8. 8. The communication conversion nipple assembly and disassembly device according to claim 1, wherein: the head (14) of the core communication unit (10) is provided with a plurality of annular grooves along the peripheral surface, and sealing rings are arranged in the annular grooves.
  9. 9. The communication conversion nipple assembly and disassembly device according to claim 1, wherein: Communication wiring holes are formed in the core communication unit (10) and the communication conversion nipple shell (9).
  10. 10. A method of dismounting a communication conversion nipple, comprising a message conversion nipple dismounting device as claimed in any one of claims 1 to 9, comprising: during installation, the communication unit of the core to be installed is inserted into the disassembly and assembly sleeve; inserting one end of the core communication unit with the head into the opening at one end of the communication conversion nipple shell, and driving the disassembly and assembly sleeve and the core communication unit to move towards the other end of the communication conversion nipple shell through the driving mechanism; when the core communication unit completely enters the communication conversion pup joint shell, the core communication unit is driven by the driving mechanism to rotate forward or backward along the axis, so that the communication wiring holes of the core communication unit and the communication wiring hole correspond to each other, and the installation is completed; When the disassembly is performed, one end of the disassembly sleeve with the C-shaped groove is inserted from an opening at one end of the communication conversion nipple shell, and the disassembly sleeve is driven to move towards the other end of the communication conversion nipple shell through the driving mechanism; When the dismounting sleeve completely enters the communication conversion pup joint shell, the core communication unit is driven to rotate forward or reversely through the driving mechanism, so that the rib part of the core communication unit enters the C-shaped groove, and the rib part is positioned at one side of the bulge part far away from the opening of the C-shaped groove; The driving mechanism drives the disassembly and assembly sleeve to move towards one end direction in the communication conversion nipple shell, and the convex part hooks the rib to bring the core communication unit out of the communication conversion nipple shell, so that disassembly is completed.

Description

Dismounting device and dismounting method for communication conversion pup joint Technical Field The invention relates to the field of petroleum exploration, in particular to a communication conversion nipple dismounting device and a dismounting method. Background At present, communication signals and current between the flexible nipple and the resistivity nipple of the rotary steering drilling tool are transmitted through a communication conversion nipple, the communication conversion nipple can realize mutual transmission of communication signals and current between the flexible nipple and the resistivity nipple, a shell of the rotary steering drilling tool is connected and conducted with the flexible nipple, and a core communication unit is connected and conducted with the resistivity nipple. When the communication conversion nipple is used, the core communication unit needs to be installed in the shell, and the communication wiring holes of the core communication unit need to be aligned with the communication wiring holes on the shell. Because the inner hole of the shell communication unit in the communication conversion pup joint is narrower and deeper, the matching surface of the core communication unit is tightly attached to the inner wall of the shell, the friction force between the core communication unit and the shell is large, when the core communication unit is inserted into the inner hole, the communication wiring hole of the core communication unit cannot be easily rotated or moved, and cannot be easily aligned with the communication wiring hole on the shell, and when the core communication unit is taken out, the communication pup joint cannot be easily pulled out by hands due to the deeper hole and large friction force, so that the assembly and disassembly difficulty of the core communication unit and the shell communication unit is increased. Disclosure of Invention In view of the above, the present invention provides a disassembly and assembly device and a disassembly and assembly method for a communication conversion nipple, which solve the problems that when a core communication unit and a communication conversion nipple housing are installed, the core communication unit and the inner wall of the communication conversion nipple housing are tightly attached due to a deeper inner hole of the housing, so that the position of the core communication unit is difficult to adjust and take out, and the communication wiring hole of the core communication unit and the communication wiring hole of the communication conversion nipple housing are difficult to align. According to one aspect of the invention, a communication conversion nipple dismounting device is provided, which comprises a dismounting sleeve; the inside of the dismounting sleeve is hollow, and one end of the dismounting sleeve is an opening; The side wall of the dismounting sleeve, which is close to one end of the opening, is provided with a C-shaped groove extending towards the other end of the dismounting sleeve; A protruding part extending towards the other side direction in the C-shaped groove is arranged at one side in the C-shaped groove and close to the opening of the dismounting sleeve; The other end of the disassembly and assembly sleeve is connected with a driving mechanism for driving the disassembly and assembly sleeve to perform forward rotation and reverse rotation and move back and forth along the axis; An annular groove is formed in the head of the core communication unit, and ribs matched with the C-shaped groove and the protruding part of the dismounting sleeve are arranged in the annular groove. Preferably, the driving mechanism comprises a drive screw and a nut; One end of the transmission screw is connected with one end of the disassembly and assembly sleeve, which is far away from the C-shaped groove; the nut is sleeved outside the transmission screw; The nut is detachably connected with the communication conversion nipple shell through the centralizing connector, and the nut can rotate along the axis while being connected with the centralizing connector. Preferably, the righting connector is a fixed sleeve; the inside of the fixed sleeve is hollow, one end of the fixed sleeve is provided with an opening, and the other end of the fixed sleeve is provided with an internal thread; One end of the communication conversion nipple shell is provided with an external thread matched with the internal thread of the fixed sleeve; the fixed sleeve is sleeved outside the transmission screw, and one end of the fixed sleeve is connected with the nut; the fixed sleeve is used for being connected with the communication conversion nipple shell. Preferably, the side wall of the fixing sleeve is provided with a plurality of through holes. Preferably, the device also comprises a handle; The handles are respectively arranged on two opposite side walls of the other end of the transmission screw rod and two opposite side walls of the nut