CN218293517U

CN218293517U - Oil extraction drill rod joint convenient to disassemble

Info

Publication number: CN218293517U
Application number: CN202221992465.6U
Authority: CN
Inventors: 蒋小清; 左中华; 叶志梅; 蒋烨玮
Original assignee: Taizhou Kaisheng Petroleum Drilling Tools Co ltd
Current assignee: Taizhou Kaisheng Petroleum Drilling Tools Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-13
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a convenient oil recovery drilling rod joint of dismantling, including jack and male joint, the inside jack that is provided with of the circular outer wall of male joint left end, male joint right-hand member outer wall is provided with the female joint, the circular outer wall center department in male joint and female joint upper end all is provided with the draw-in groove, the dismouting device has all been cup jointed to the circular outer wall of male joint and female joint, the dismouting device comprises fixed cover, removal cover, locking screw, last screw thread, inserted bar, restriction hole, internal thread and stop collar jointly, the circular outer wall in male joint rightmost side is provided with fixed cover, the circular outer wall in fixed cover rightmost side is provided with the screw thread, the circular outer wall in female joint leftmost side is provided with the removal cover, the circular inner wall in removal cover leftmost side is provided with the internal thread, fixed cover is close to left side and removal cover and all is provided with locking screw near the circular outer wall in both ends around the right side, and this dismouting device can make the more simple and convenient of dismantling between drilling rod and the drilling rod joint.

Description

Oil extraction drill rod joint convenient to disassemble

Technical Field

The utility model belongs to the technical field of the drilling rod joint is relevant, concretely relates to oil recovery drilling rod joint of convenient dismantlement.

Background

The drill rod is a steel pipe with threads at the tail part and is used for connecting the surface equipment of the drilling machine and the drilling and grinding equipment positioned at the bottom end of a drilled well, the drill rod is used for conveying drilling mud to the drill bit and is lifted, lowered or rotated together with the drill bit, the drill rod joint is the equipment for connecting the drill rod, the drill rod can be connected through the drill rod joint during oil extraction and drilling, and oil extraction and drilling are facilitated.

The prior drill rod joint technology has the following problems: the drill rod joint is inconvenient to disassemble and assemble when in use, is troublesome if the drill rod joint is adjusted and disassembled after being installed, and is connected loosely when drilling oil deep in the ground due to the fact that the joint can only be connected through threads when drilling oil for oil extraction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil recovery drilling rod joint of convenient dismantlement to the dismouting that proposes in solving above-mentioned background art when using is comparatively troublesome and the not hard up problem can appear when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient oil recovery drilling rod joint of dismantling, includes jack and male joint, the inside jack that is provided with of the circular outer wall of male joint left end, male joint right-hand member outer wall is provided with the female joint, the circular outer wall center department in male joint and female joint upper end all is provided with the draw-in groove, the dismouting device has all been cup jointed to the circular outer wall of male joint and female joint, the dismouting device comprises fixed cover, removal cover, locking screw, last screw thread, inserted bar, restriction hole, internal thread and stop collar jointly, the circular outer wall in male joint rightmost side is provided with fixed cover, the circular outer wall in fixed cover rightmost side is provided with the screw thread, the circular outer wall in female joint leftmost side is provided with the removal cover, the circular inner wall in removal cover leftmost side is provided with the internal thread, fixed cover is close to the circular outer wall in left side and removal cover and is close to the circular outer wall in both ends around the right side and all is provided with the locking screw, male joint right-hand member outer wall center department is provided with the inserted bar, the both ends outer wall all is provided with the restriction hole around the inserted bar is close to the right side, the inserted bar is close to the circular outer wall in left side and is located fixed cover and removes the inside and is provided with the limit collar.

Preferably, the male joint and the female joint are both made of chromium-molybdenum steel, and paint is sprayed on the surfaces of the male joint and the female joint.

Preferably, the socket is internally provided with a connecting thread, and the surfaces of the male connector and the female connector are positioned on the same horizontal plane after being connected together.

Preferably, the fixed sleeve and the movable sleeve are both internally provided with grooves, and the limiting sleeve can move left and right in the grooves.

Preferably, the diameter of the fixed sleeve is smaller than that of the movable sleeve, and the fixed sleeve and the movable sleeve can be in threaded connection through upper threads and internal threads.

Preferably, after the fixed sleeve and the movable sleeve are screwed tightly, the locking screw on the movable sleeve can be inserted into the limiting hole, and the fixed sleeve and the movable sleeve are all subjected to quenching treatment.

Compared with the prior art, the utility model provides a convenient oil recovery tool joint who dismantles possesses following beneficial effect:

1. the utility model discloses an increased dismouting device on the circular outer wall of male joint and female joint, when connecting the drilling rod at male joint and female joint both ends, if need adjust and dismantle comparatively trouble, because the drilling rod is overlength, it is very hard when dismantling, need to twist off the drilling rod earlier, then just can give the drilling rod joint and take off, it is more time-consuming and energy-consuming, the dismouting device can make the dismantlement between drilling rod and the drilling rod joint more simple and convenient, can simplify the process of drilling rod dismouting, just can avoid needing to take off the drilling rod earlier when the dismouting, then take off the drilling rod joint, can practice thrift not a short time, can be through fixed cover and removal cover convenient quick dismantlement and installation drilling rod more in the dismouting, can increase the efficiency of work;

2. the utility model discloses specific use flow is as follows: the method comprises the steps of firstly installing a limiting sleeve on a male connector and a female connector, then installing a fixed sleeve and a movable sleeve on the male connector and the female connector respectively, then installing an inserted bar on the outer wall of the right end of the male connector, then installing a plurality of locking screws on the fixed sleeve and the movable sleeve, when the male connector and the female connector are connected, firstly inserting the inserted bar into the circular inner part of the left end of the female connector, then moving the fixed sleeve and the movable sleeve together through a groove and the limiting sleeve, when the fixed sleeve and the movable sleeve move to the bottommost part of the groove, then connecting the fixed sleeve and the movable sleeve together through upper threads and inner threads, then screwing the plurality of locking screws, limiting the fixed sleeve and the movable sleeve to move left and right, at the moment, connecting the male connector and the female connector together, if the male connector and the female connector need to be disassembled, firstly unscrewing the locking screws, then unscrewing the fixed sleeve and the movable sleeve, then pulling out the inserted bar from the female connector, and at the moment, disassembling the male connector and the female connector.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and do not constitute a limitation on the invention, and in the drawings:

fig. 1 is a schematic view of a joint structure of an oil extraction drill rod convenient to disassemble, which is provided by the utility model;

fig. 2 is a schematic structural view of the dismounting device provided by the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the dismounting device provided by the present invention;

fig. 4 is a schematic view of a disassembly and assembly structure of the disassembly and assembly device provided by the present invention;

in the figure: 1. a jack; 2. a male connector; 3. a card slot; 4. disassembling and assembling the device; 5. a female joint; 6. fixing a sleeve; 7. moving the sleeve; 8. locking screws; 9. screwing; 10. inserting a rod; 11. a limiting aperture; 12. an internal thread; 13. a position-limiting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oil extraction drill rod joint convenient to disassemble comprises a jack 1 and a male joint 2, wherein the jack 1 is arranged in the circular outer wall at the left end of the male joint 2, the female joint 5 is arranged on the outer wall at the right end of the male joint 2, connecting threads are arranged in the jack 1, the surfaces of the male joint 2 and the female joint 5 are positioned on the same horizontal plane after being connected together, the male joint 2 and the female joint 5 are made of chromium molybdenum steel materials and are more convenient to connect by the threads, the male joint 2 and the female joint 5 can be more firmly connected by the connecting threads, the whole body of the oil extraction drill rod joint can look more attractive after being connected by the male joint 2 and the female joint 5, meanwhile, the connection between the male joint 2 and the female joint is more tightly attached, the surfaces of the male joint 2 and the female joint 5 are sprayed with paint, the oil extraction drill rod joint is made of chromium molybdenum steel and has better strength and hardness, meanwhile, the chromium molybdenum steel also has the characteristics of tensile strength, high elasticity and the like, paint is sprayed on the surface of the male connector 2 and the female connector 5, so that the surface of the male connector is not easy to rust, the service life of the male connector can be prolonged, the centers of the circular outer walls of the upper ends of the male connector 2 and the female connector 5 are respectively provided with a clamping groove 3, the circular outer walls of the male connector 2 and the female connector 5 are respectively sleeved with a dismounting device 4, the dismounting device 4 comprises a fixed sleeve 6, a movable sleeve 7, a locking screw 8, an upper thread 9, an inserted bar 10, a limiting hole 11, an internal thread 12 and a limiting sleeve 13, the locking screw 8 on the movable sleeve 7 can be inserted into the limiting hole 11 after the fixed sleeve 6 and the movable sleeve 7 are screwed together, the locking screw 8 can be screwed into the limiting hole 11 in a rotating manner after the fixed sleeve 6 and the movable sleeve 7 are screwed together, the situation that the male connector 2 and the female connector 5 are loosened and fall off in use can be avoided, the hardness and the wear resistance can be effectively improved through quenching treatment, can make its crushing resistance better, the circular outer wall in the most right side of male joint 2 is provided with fixed cover 6, the circular outer wall in the most right side of fixed cover 6 is provided with screw thread 9, the circular outer wall in the most left side of female joint 5 is provided with removal cover 7, the circular inner wall in the most left side of removal cover 7 is provided with internal thread 12, fixed cover 6 diameter is less than the diameter of removal cover 7, fixed cover 6 and removal cover 7 accessible go up screw thread 9 and internal thread 12 spiral shell and connect, fixed cover 6 diameter is less than the diameter of removal cover 7 and can make fixed cover 6 complete through the inside of screw thread rotation to removal cover 7, can make its more firm that connects, simultaneously can make its dismantlement and installation more simple and convenient through last screw thread 9 and internal thread 12, fixed cover 6 is close to left side and removal cover 7 and both ends circular outer wall all is provided with locking screw 8 around being close to the right side, male joint 2 right-hand member outer wall center department is provided with inserted bar 10, inserted bar 10 is close to both ends outer wall around the right side and all is provided with limiting hole 11, male joint 2 is close to the circular outer wall in the right side and is located fixed cover 6 and removal cover 7 and all is provided with limiting sleeve 13, the recess and can make fixed cover 6 and remove when the fixed cover 7 can make it move the fixed cover 6 and remove, it can make the fixed cover move the recess and remove the fixed cover and can make fixed cover and remove simultaneously and can make the female joint 6 and remove the fixed cover and remove the recess and can make the female joint move the female joint and can make the female joint.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, when needs connect the drilling rod, can be connected to together the drilling rod through connecting thread and jack 1 this moment earlier, then can be connected to inside the circular outer wall of female joint 5 left end to inserted bar 10, then remove fixed cover 6 and remove cover 7 through recess and stop collar 13, stop collar 13 can give the restriction on female joint 5 and male joint 2 to remove cover 7 and fixed cover 6 this moment, can not drop when using, then can be through last screw thread 9 and internal thread 12 give the tightening to fixed cover 6 and removal cover 7, then can tighten locking screw 8, then pass behind locking screw 8 restriction hole 11, can restrict and avoid male joint 2 and female joint 5 not hard up the condition that takes place to drop when punching the rotation, at first unscrew locking screw 8 in the dismantlement, then separate fixed cover 6 and removal cover 7, then can give the dismantlement to male joint 2 and female joint 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient oil recovery tool joint who dismantles, includes jack (1) and male joint (2), its characterized in that: the improved male connector is characterized in that a jack (1) is arranged inside the circular outer wall at the left end of the male connector (2), a female connector (5) is arranged on the outer wall at the right end of the male connector (2), a clamping groove (3) is formed in the center of the circular outer wall at the upper ends of the male connector (2) and the female connector (5), the male connector (2) and the circular outer wall of the female connector (5) are both sleeved with a dismounting device (4), the dismounting device (4) is formed by a fixing sleeve (6), a moving sleeve (7), a locking screw (8), an upper thread (9), an inserted rod (10), a limiting hole (11), an internal thread (12) and a limiting sleeve (13) in a sleeved mode, the circular outer wall at the rightmost side of the male connector (2) is provided with a fixing sleeve (6), the circular outer wall at the rightmost side of the fixing sleeve (6) is provided with an upper thread (9), the circular outer wall at the leftmost side of the female connector (5) is provided with a moving sleeve (7), the circular inner wall at the leftmost side of the moving sleeve (7) is provided with an internal thread (12), the fixing sleeve (6) is close to the circular outer wall at the left side and the left end of the circular outer wall at the right end and the front end and the right end and the limiting sleeve (10) at the front end and back end of the right end of the inserting rod (10) are both ends, male joint (2) are close to the circular outer wall in left side and female joint (5) are close to the circular outer wall in right side and are located fixed cover (6) and remove and cover (7) inside all is provided with stop collar (13).

2. The easy to disassemble production drill pipe joint as set forth in claim 1, wherein: the male connector (2) and the female connector (5) are both made of chromium-molybdenum steel, and paint is sprayed on the surfaces of the male connector (2) and the female connector (5).

3. The easy to disassemble production drill pipe joint as set forth in claim 1, wherein: the connecting screw thread is arranged inside the jack (1), and the surfaces of the male connector (2) and the female connector (5) are located on the same horizontal plane after being connected together.

4. The easy to disassemble production drill pipe joint as set forth in claim 1, wherein: the fixed sleeve (6) and the movable sleeve (7) are both internally provided with grooves, and the limiting sleeve (13) can move left and right in the grooves.

5. The easy to disassemble production drill pipe joint as set forth in claim 1, wherein: the diameter of the fixed sleeve (6) is smaller than that of the movable sleeve (7), and the fixed sleeve (6) and the movable sleeve (7) can be in threaded connection through the upper threads (9) and the internal threads (12).

6. The easy to disassemble production drill pipe joint as set forth in claim 1, wherein: the locking screw (8) on the movable sleeve (7) can be inserted into the limiting hole (11) after the fixed sleeve (6) and the movable sleeve (7) are screwed down, and the movable sleeve (7) of the fixed sleeve (6) is subjected to quenching treatment.