CN210317227U

CN210317227U - Novel safe plug removal device for oil field fracturing well

Info

Publication number: CN210317227U
Application number: CN201921150887.7U
Authority: CN
Inventors: 杜秉政; 曾祥兆
Original assignee: Jilin Jinzuo Petroleum Technology Service Co Ltd
Current assignee: Jilin Jinzuo Petroleum Technology Service Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-14
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to an oil field exploitation equipment technical field just discloses a novel safe stifled device of separating that oil field fracturing well was used, including the movable sleeve, the inside activity of movable sleeve has cup jointed fixed connection pipe, the outside activity of fixed connection pipe has cup jointed the spring that is located movable sleeve inside, movable sleeve's opposite side threaded connection has a motor installation section of thick bamboo, the inside fixed mounting of a motor installation section of thick bamboo has battery and driving motor, the side fixed mounting of a motor installation section of thick bamboo has slewing bearing. This novel safe stifled device of removing that oil field fracturing well was used, through mutually supporting of drilling equipment and transmission, drill bit for when driving motor drove the drill bit pivoted, the drill bit began to drill to blockking up the central part this moment, and transmission can drive drilling equipment in step and rotate, thereby to pasting the oil pipe inner wall and boring the part that blocks up, improved the stifled effect of removing of device.

Description

Novel safe plug removal device for oil field fracturing well

Technical Field

The utility model relates to an oil field exploitation equipment technical field specifically is a novel safe unblocking device that oil field fracturing well was used.

Background

After the oil well is produced to a certain stage, the productivity and permeability are reduced, in order to enhance the oil discharge capacity and improve the oil well yield, the fracturing process technology is invented, the fracturing method is divided into two categories of hydraulic fracturing and high-energy gas fracturing, the hydraulic fracturing is to inject fluid into a well by a ground high-pressure pump truck group at a high speed, the high pressure pumped from the bottom of the well is used for fracturing oil layer rocks to generate cracks, in order to prevent the pressure from dropping after the pump truck stops working, the cracks are folded automatically, sand with the density being several times of the density of the stratum is mixed into the injected liquid after the stratum is fractured, the sand and the fluid enter the cracks and stay in the cracks permanently, the supporting cracks are in an open state, and the oil flow environment is improved for a long time.

The oil well pipeline is leaked due to fracturing, the oil pipe is easily blocked by the colloid asphalt, and the normal movement of a pipe column is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a novel safe stifled device of removing that oil field fracturing well was used has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the utility model provides a novel stifled device is separated to safety that oil field fracturing well was used, includes the movable sleeve, the connecting pipe has been cup jointed in movable sleeve's inside activity, the inside spring that is located movable sleeve has been cup jointed in the outside activity of connecting pipe, movable sleeve's opposite side threaded connection has a motor installation section of thick bamboo, the inside fixed mounting of a motor installation section of thick bamboo has battery and driving motor, the side fixed mounting of a motor installation section of thick bamboo has slewing bearing, slewing bearing's side fixed mounting has drilling equipment, drilling equipment's inner wall fixed mounting has transmission, transmission's inside fixed cup joints there is the drill bit.

Preferably, the drilling device comprises a drill bushing, the end face of the drill bushing is provided with sawteeth, a partition board is fixedly mounted on the inner wall of the drill bushing, and a drill bit is movably sleeved inside the partition board.

Preferably, transmission includes the inner circle gear, inner circle gear fixed mounting is on the inner wall of drill bushing, and the inside meshing of inner circle gear has meshing gear, meshing gear's inside fixed cover has connect driven gear, driven gear's external fixation cup joints the pivot that is located meshing gear one side, the external toothing of pivot has drive gear, drive gear's inside fixed cover has connect the drill bit, the one end of drill bit and driving motor's output shaft fixed cup joint.

Preferably, the right side surface of the inner ring of the slewing bearing is fixedly connected with the side surface of the drilling device, and the left side surface of the outer ring of the slewing bearing is fixedly connected with the side surface of the motor mounting cylinder.

Preferably, the inner wall fixed mounting of a motor installation section of thick bamboo has the backup pad, and one side fixed mounting of backup pad has the battery, and the opposite side fixed mounting of backup pad has driving motor, one side that a motor installation section of thick bamboo is close to movable sleeve is provided with the boss, and the surface of boss and movable sleeve's internal surface threaded connection.

Preferably, a piston is fixedly mounted at one end, away from the motor mounting cylinder, of the movable sleeve, a baffle is arranged on the inner wall of the movable sleeve, and a spring is fixedly mounted on one side of the baffle.

The utility model discloses possess following beneficial effect:

1. this novel safe stifled device of removing that oil field fracturing well was used, through mutually supporting of drilling equipment and transmission, drill bit for when driving motor drove the drill bit pivoted, the drill bit began to drill to blockking up the central part this moment, and transmission can drive drilling equipment in step and rotate, thereby to pasting the oil pipe inner wall and boring the part that blocks up, improved the stifled effect of removing of device.

2. This novel safe unblocking device that oil field fracturing well was used, through fixed connection pipe and movable sleeve, mutually supporting of spring, the tip of fixed connection pipe and the inner wall threaded connection of tubular column inlayer, the piston of movable sleeve tip cup joints with the outer inner wall activity of tubular column, when making to exert water pressure to movable sleeve through the tubular column, can promote movable sleeve and drilling equipment and remove, be convenient for bore the part that blocks up, and fixed connection pipe all the time with tubular column fixed connection, the position is unchangeable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the drilling device of the present invention;

fig. 4 is a schematic structural diagram of the transmission device of the present invention.

In the figure: 1. an active cannula; 2. fixing the connecting pipe; 3. a spring; 4. a motor mounting cylinder; 5. a storage battery; 6. a drive motor; 7. a slewing bearing; 8. a drilling device; 81. drilling a sleeve; 82. saw teeth; 83. a partition plate; 9. a transmission device; 91. an inner ring gear; 92. a meshing gear; 93. a driven gear; 94. a rotating shaft; 95. a transmission gear; 10. a drill bit.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a novel safety blockage relieving device for an oil field fracturing well comprises a movable sleeve 1, a fixed connecting pipe 2 is sleeved in the movable sleeve 1, a spring 3 located in the movable sleeve 1 is sleeved in the outer portion of the fixed connecting pipe 2, the other side of the movable sleeve 1 is in threaded connection with a motor mounting barrel 4, a storage battery 5 and a driving motor 6 are fixedly mounted in the motor mounting barrel 4, a slewing bearing 7 is fixedly mounted on the side face of the motor mounting barrel 4, a drilling device 8 is fixedly mounted on the side face of the slewing bearing 7, a transmission device 9 is fixedly mounted on the inner wall of the drilling device 8, and a drill bit 10 is fixedly sleeved in the transmission device 9.

The drilling device 8 comprises a drill bushing 81, sawteeth 82 are arranged on the end face of the drill bushing 81, a partition plate 83 is fixedly arranged on the inner wall of the drill bushing 81, and a drill bit 10 is movably sleeved in the partition plate 83;

the transmission device 9 comprises an inner ring gear 91, the inner ring gear 91 is fixedly installed on the inner wall of the drill bushing 81, the inner part of the inner ring gear 91 is meshed with a meshing gear 92, the inner part of the meshing gear 92 is fixedly sleeved with a driven gear 93, the outer part of the driven gear 93 is fixedly sleeved with a rotating shaft 94 positioned on one side of the meshing gear 92, the outer part of the rotating shaft 94 is meshed with a transmission gear 95, the inner part of the transmission gear 95 is fixedly sleeved with a drill bit 10, one end of the drill bit 10 is fixedly sleeved with an output shaft of the driving motor 6, and therefore when the drill bit 10 rotates, the rotating shaft 94, the meshing gear 92 and the inner ring gear 91 drive the drilling device 8 to rotate;

the right side surface of the inner ring of the slewing bearing 7 is fixedly connected with the side surface of the drilling device 8, the left side surface of the outer ring of the slewing bearing 7 is fixedly connected with the side surface of the motor mounting cylinder 4, and the motor mounting cylinder 4 and the drilling device 8 can rotate relatively, so that impurities on the inner wall of the oil pipe are drilled and removed by the drilling device 8;

the inner wall of the motor installation cylinder 4 is fixedly provided with a support plate, one side of the support plate is fixedly provided with a storage battery 5, the other side of the support plate is fixedly provided with a driving motor 6, one side of the motor installation cylinder 4, which is close to the movable sleeve 1, is provided with a boss, and the outer surface of the boss is in threaded connection with the inner surface of the movable sleeve 1;

wherein, the one end fixed mounting that movable sleeve 1 kept away from motor installation section of thick bamboo 4 has the piston, when applying water pressure to the piston through the tubular column, can provide power for the device to promote drilling equipment 8 and drill, and movable sleeve 1's inner wall is provided with the baffle, prevents that movable sleeve 1 and spring 3 from breaking away from, and one side fixed mounting of baffle has spring 3.

The operating principle, at first with the inner wall threaded connection of the tip of fixed connection pipe 2 and tubular column inlayer, the piston of movable sleeve 1 tip cup joints with the outer inner wall activity of tubular column, when making to exert water pressure to movable sleeve 1 through the tubular column, can promote movable sleeve 1 and drilling equipment 8 and remove, spring 3 is compressed this moment, then start driving motor 6 and drive drill bit 10 and drive gear 95 synchronous rotation, drive gear 95 drives pivot 94 antiport this moment, meshing gear 92 is the same with pivot 94 and the turning to of inner ring gear 91, so inner ring gear 91 is opposite with the turning to of drive gear 95, be convenient for better carry out inside and outside simultaneous drilling to the jam portion and remove.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 novel safe stifled device of removing that oil field fracturing well was used, includes movable sleeve pipe (1), its characterized in that: the inside activity of movable sleeve (1) has cup jointed fixed connection pipe (2), the outside activity of fixed connection pipe (2) has cup jointed and is located inside spring (3) of movable sleeve (1), the opposite side threaded connection of movable sleeve (1) has motor installation section of thick bamboo (4), the inside fixed mounting of motor installation section of thick bamboo (4) has battery (5) and driving motor (6), the side fixed mounting of motor installation section of thick bamboo (4) has slewing bearing (7), the side fixed mounting of slewing bearing (7) has drilling equipment (8), the inner wall fixed mounting of drilling equipment (8) has transmission (9), the fixed cover in inside of transmission (9) has cup jointed drill bit (10).

2. The novel safe blockage relieving device for the oilfield fracturing well according to claim 1, is characterized in that: the drilling device (8) comprises a drill bushing (81), sawteeth (82) are arranged on the end face of the drill bushing (81), a partition plate (83) is fixedly mounted on the inner wall of the drill bushing (81), and a drill bit (10) is movably sleeved in the partition plate (83).

3. The novel safe blockage relieving device for the oilfield fracturing well according to claim 1, is characterized in that: transmission (9) include inner ring gear (91), inner ring gear (91) fixed mounting is on the inner wall of drill bushing (81), and the inside meshing of inner ring gear (91) has meshing gear (92), the fixed cover in inside of meshing gear (92) has been cup jointed driven gear (93), the external fixation of driven gear (93) has cup jointed pivot (94) that are located meshing gear (92) one side, the outside meshing of pivot (94) has drive gear (95), the fixed cover in inside of drive gear (95) has cup jointed drill bit (10), the one end of drill bit (10) and the output shaft fixed cup joint of driving motor (6).

4. The novel safe blockage relieving device for the oilfield fracturing well according to claim 1, is characterized in that: the right side surface of the inner ring of the slewing bearing (7) is fixedly connected with the side surface of the drilling device (8), and the left side surface of the outer ring of the slewing bearing (7) is fixedly connected with the side surface of the motor mounting cylinder (4).

5. The novel safe blockage relieving device for the oilfield fracturing well according to claim 1, is characterized in that: the inner wall fixed mounting of a motor installation section of thick bamboo (4) has the backup pad, and one side fixed mounting of backup pad has battery (5), and the opposite side fixed mounting of backup pad has driving motor (6), one side that a motor installation section of thick bamboo (4) is close to movable sleeve (1) is provided with the boss, and the surface of boss and the internal surface threaded connection of movable sleeve (1).

6. The novel safe blockage relieving device for the oilfield fracturing well according to claim 1, is characterized in that: one end of the movable sleeve (1) far away from the motor installation cylinder (4) is fixedly provided with a piston, a baffle is arranged on the inner wall of the movable sleeve (1), and a spring (3) is fixedly arranged on one side of the baffle.