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CN-120906476-B - Integrated drilling and completion tool and drilling and completion operation method

CN120906476BCN 120906476 BCN120906476 BCN 120906476BCN-120906476-B

Abstract

The invention belongs to the technical field of drilling and oil extraction equipment, in particular to an integrated drilling and completion tool and an integrated drilling and completion operation method, which comprises a drill bit, wherein an oil inlet pipe is fixedly connected to the top of the drill bit, after drilling is finished, a telescopic cover is opened, a well wall is supported and is not easy to collapse, oil gas enters a filtering hole from between a pair of telescopic covers, then mud and crushed stone mixed in the filtering hole are filtered through the filtering hole and enter the oil inlet pipe, in the process of filtering and collecting the oil gas, a person needs to periodically start an electric push rod II, so that the telescopic end pulls an installation block and all mechanisms on the installation block to move upwards, the scraping ring is tightly attached to the oil inlet pipe, scraping treatment is carried out on the mud and the crushed stone attached to the filtering hole by the scraping ring, the filtering hole is not easy to be blocked by the mud and the crushed stone, the oil gas smoothly enters the oil inlet pipe, and smooth oil extraction operation can be ensured.

Inventors

  • HU BO
  • ZHANG XIANG
  • WANG YUE
  • CHEN YUN
  • WANG JUN
  • CUI WENLIN
  • ZHAO QISHENG

Assignees

  • 四川伟创石油装备制造有限公司
  • 山东伟创石油技术有限公司

Dates

Publication Date
20260512
Application Date
20250910

Claims (8)

  1. 1. An integrated tool for drilling and completing a well comprises a drill bit (1) and is characterized in that the top of the drill bit (1) is fixedly connected with an oil inlet pipe (2), and a filtering hole (3) is formed in the oil inlet pipe (2); A pair of telescopic covers (4) are sleeved outside the oil inlet pipe (2), a pair of symmetrically distributed electric push rods I (5) are fixedly connected to the surface of the oil inlet pipe (2), and the telescopic ends of the electric push rods I (5) are fixedly connected with the telescopic covers (4); A vertical groove (6) is formed in the inner wall of the telescopic cover (4), a second electric push rod (7) is fixedly connected to the inner top wall of the vertical groove (6), and a mounting block (8) is fixedly connected to the telescopic end of the second electric push rod (7); the side surface of the mounting block (8) is fixedly connected with a first spring (9), and one end, away from the mounting block (8), of the first spring (9) is fixedly connected with a scraping ring (10); In an initial state, the first spring (9) is in a contracted state, and the pair of scraping rings (10) are sleeved on the outer side of the oil inlet pipe (2); A plurality of connecting grooves (28) and rolling grooves (30) are formed in the inner wall of the scraping ring (10), a magnetic block (18) is fixedly connected to the inner side wall of the connecting groove (28), a discharging groove (29) is formed in the inner bottom wall of the connecting groove (28), a roller (19) is rotatably connected to the inner part of the rolling groove (30), a plurality of sliding grooves (20) are formed in the roller (19), a metal block (21) is slidably connected to the inner part of the sliding groove (20), a spring II (22) is fixedly connected to the side surface of the metal block (21), a first push-pull rod (23) and a second push-pull rod (24) are movably inserted into the inner part of the roller (19), an adjusting groove (25) is formed in the first push-pull rod (23), a pair of metal blocks (21) in the vertical direction is fixedly connected with the second push-pull rod (24), and a pair of metal blocks (21) in the horizontal direction is fixedly connected with the first push-pull rod (23); one end of the second spring (22) far away from the metal block (21) is fixedly connected with the inner side wall of the sliding groove (20), the outer sides of the first push-pull rod (23) and the second push-pull rod (24) are contacted with the inner wall of the second spring (22), a first push-pull groove (26) and a second push-pull groove (27) which are movably inserted with the first push-pull rod (23) and the second push-pull rod (24) are formed in the roller (19), a pair of sliding grooves (20) in the horizontal direction are communicated with the first push-pull groove (26), and a pair of sliding grooves (20) in the vertical direction are communicated with the second push-pull groove (27).
  2. 2. The integrated tool for drilling and completing well according to claim 1, wherein the side surface of the installation block (8) is fixedly connected with a plug rod (11), and the scraping ring (10) is provided with a plug groove (12) matched with the plug rod (11).
  3. 3. The integrated tool for drilling and completing well according to claim 2, wherein the inserting rod (11) is inserted into the inserting groove (12) and the first spring (9), and the bottom of the scraping ring (10) is propped against the top of the drill bit (1).
  4. 4. An integrated tool for drilling and completion according to claim 2, wherein the surface of the plug rod (11) is in contact with the inner wall of the first spring (9), and the inner diameter of the first spring (9) is larger than the diameter of the plug groove (12).
  5. 5. The integrated tool for drilling and completing well according to claim 1, wherein the surface of the oil inlet pipe (2) is fixedly connected with a sleeve joint ring (13), the outer side of the sleeve joint ring (13) is fixedly connected with a pair of connecting rods (14), and the bottoms of the connecting rods (14) are fixedly connected with the same elastic ring (15).
  6. 6. The integrated tool for drilling and completing well according to claim 5, wherein the inner wall of the elastic ring (15) is propped against the outer side of the oil inlet pipe (2), and the elastic ring (15) is positioned above the scraping ring (10).
  7. 7. The integrated tool for drilling and completing well according to claim 1, wherein the top of the drill bit (1) is provided with a pair of reinforcing grooves (16), and the bottom of the telescopic cover (4) is fixedly connected with reinforcing blocks (17) which are in sliding connection with the reinforcing grooves (16).
  8. 8. A method of drilling and completing an integrated tool according to claim 1, comprising the steps of: s1, after drilling, enabling the telescopic cover (4) to prop against the hole wall, and enabling oil gas to enter the oil inlet pipe (2) through the filtering holes (3); S2, starting the first electric push rod (5) to enable the scraping ring (10) to move on the oil inlet pipe (2) so as to scrape dirt and foreign matters adhered to the scraping ring; And S3, when the scraping ring (10) is moved upwards, the magnetic block (18) attracts the metal block (21) to form negative pressure in the sliding groove (20) so as to dredge the filtering hole (3).

Description

Integrated drilling and completion tool and drilling and completion operation method Technical Field The invention belongs to the technical field of drilling and oil extraction equipment, and particularly relates to a drilling and completion integrated tool and a drilling and completion operation method. Background Drilling oil recovery is the core link of petroleum industry, and when the drilling is finished, the foreign matter such as mud and rubble in the oil gas that can utilize filtering mechanism to enter into oil pipe in the oil gas filters, along with the filterable progress, the mud of gathering will adhere to the oil pipe outside with the rubble, and then will block up the filtration pore, will make oil gas be difficult to pass the filtration pore smoothly and enter into in the oil pipe, thereby will interrupt the collection to oil gas, make oil recovery work be difficult to normally go on. Therefore, the invention provides an integrated tool for drilling and completing well and a drilling and completion operation method. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The invention solves the technical problems by adopting the technical scheme that the integrated tool for drilling and completing comprises a drill bit, wherein the top of the drill bit is fixedly connected with an oil inlet pipe, and a filtering hole is formed in the oil inlet pipe; the outer side of the oil inlet pipe is sleeved with a pair of telescopic covers, the surface of the oil inlet pipe is fixedly connected with a pair of symmetrically distributed electric push rods I, and the telescopic end of each electric push rod I is fixedly connected with each telescopic cover; A vertical groove is formed in the inner wall of the telescopic cover, a second electric push rod is fixedly connected to the inner top wall of the vertical groove, and a mounting block is fixedly connected to the telescopic end of the second electric push rod; the side surface of the mounting block is fixedly connected with a first spring, and one end, far away from the mounting block, of the first spring is fixedly connected with a scraping ring; In the initial state, the first spring is in a contracted state, and the pair of scraping rings are sleeved on the outer side of the oil inlet pipe. Preferably, the side of the installation block is fixedly connected with a plugging rod, and the scraping ring is provided with a plugging groove matched with the plugging rod. Preferably, the inserting rod is inserted into the inserting groove and the first spring, and the bottom of the scraping ring abuts against the top of the drill bit. Preferably, the surface of the inserting connection rod is contacted with the inner wall of the first spring, and the inner diameter of the first spring is larger than the diameter of the inserting groove. Preferably, the surface fixedly connected with of oil feed pipe cup joints the ring, cup joints the outside fixedly connected with of ring a pair of connecting rod, a pair of the bottom fixedly connected with same elastic ring of connecting rod. Preferably, the inner wall of the elastic ring is propped against the outer side of the oil inlet pipe, and the elastic ring is positioned above the scraping ring. Preferably, a pair of reinforcement grooves are formed in the top of the drill bit, and a reinforcement block in sliding connection with the reinforcement grooves is fixedly connected to the bottom of the telescopic cover. Preferably, a plurality of connecting grooves and rolling grooves are formed in the inner wall of the scraping ring, a magnetic block is fixedly connected to the inner side wall of the connecting groove, a discharging groove is formed in the inner bottom wall of the connecting groove, a roller is rotationally connected to the inner side of the rolling groove, a plurality of sliding grooves are formed in the roller, a metal block is slidingly connected to the inner side of the sliding groove, a second spring is fixedly connected to the side face of the metal block, a first push-pull rod and a second push-pull rod are movably inserted into the roller, an adjusting groove is formed in the first push-pull rod, a second push-pull rod is movably inserted into the adjusting groove, a pair of metal blocks in the vertical direction are fixedly connected with the second push-pull rod, and a pair of metal blocks in the horizontal direction are fixedly connected with the first push-pull rod. Preferably, one end of the second spring far away from the metal block is fixedly connected with the inner side wall of the sliding groove, the outer sides of the first push-pull rod and the second push-pull rod are both contacted with the inner wall of the second spring, a first push-pull groove and a second push-pull groove which are movably inserted with the first push-pull rod and the second push-pull rod are arranged in the r