CN217760928U

CN217760928U - Oil pipe hanger capable of being quickly assembled after well workover

Info

Publication number: CN217760928U
Application number: CN202222041930.4U
Authority: CN
Inventors: 龚洋道; 张洪; 杨建华; 刘长城; 路建
Original assignee: Dewell Jianhu Seiko Technology Co ltd
Current assignee: Dewell Jianhu Seiko Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-08
Anticipated expiration: 2032-08-04

Abstract

The utility model provides a quick-assembling oil pipe hanger for well workover, which relates to the technical field of oil pipe hangers and comprises a positioning component and a clamping mechanism, wherein the upper side of the positioning component is provided with a hanging component assembled by bolts, the lower side of the positioning component is provided with an oil pumping component assembled by bolts, and the lower side of the oil pumping component is provided with a clamping mechanism connected by bearings; the utility model discloses the utilization utilizes the bearing to connect the upper casing pipe in the below of pumping unit spare, make oil drill pipe when cup jointing on fixture, at first utilize the screw thread pipe box to carry out the screw thread fastening with oil drill pipe, set up two sets of cylinder components that are parallel to each other simultaneously on fixture, make oil drill pipe output power after the screw thread fastening cup joints, make the cylinder can utilize the centre gripping subassembly of output to carry out firm centre gripping with oil drill pipe, make oil drill pipe can be when high-speed drilling moves, still can firm centre gripping get up, can not produce the accident that the drilling rod drops, the safety is promoted.

Description

Oil pipe hanger capable of being quickly assembled after well workover

Technical Field

The utility model relates to a tubing hanger technical field especially relates to a but well workover fast assembly's tubing hanger.

Background

The oil pipe hanger is a device for supporting an oil pipe column and sealing an annular space between the oil pipe and a casing, and the sealing mode of the oil pipe hanger is that the oil pipe hanger is connected with the oil pipe and is seated in a large four-way cone body of the oil pipe hanger by using the gravity of the oil pipe to be sealed, so that the operation is convenient, the wellhead changing speed is high, and the safety is high, so that the oil pipe hanger is a mode commonly used by medium-deep wells and conventional wells.

Current tubing hanger is in the use, still can be when the drilling rod is bored at a high speed after the centre gripping, easily produces the fracture scheduling problem that drops, consequently, the utility model provides a but the tubing hanger of well workover fast assembly in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a but oil pipe hanger of intact workover fast assembly, but this but oil pipe hanger of intact workover fast assembly mainly utilizes the bearing to connect the upper sleeve pipe in the below of pumping the subassembly, make the oil drill pipe when cup jointing on fixture, at first utilize the screw tube box to carry out the thread tightening with the oil drill pipe, set up two sets of cylinder components that are parallel to each other on fixture simultaneously, make the oil drill pipe cup joint back output power at the thread tightening, make the cylinder can utilize the centre gripping subassembly of output to carry out firm centre gripping with the oil drill pipe, make the oil drill pipe can be when high-speed drilling, still can firm centre gripping get up, can not produce the accident that the drilling rod drops, the security is promoted.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: an oil pipe hanger capable of being quickly assembled after well workover is completed comprises a positioning member and a clamping mechanism, wherein a hoisting assembly assembled by bolts is arranged on the upper side of the positioning member, an oil pumping assembly assembled by bolts is arranged below the positioning member, and the clamping mechanism connected by bearings is arranged below the oil pumping assembly;

the clamping mechanism comprises a connecting bearing, a sleeve pipe, a sealing pipe, an inflatable rubber ring, an air pump, a top clamping pipe, a first air cylinder group, a pushing clamping piece, a lower clamping pipe, a second air cylinder group, a circular truncated cone plug and a threaded pipe sleeve, wherein the connecting bearing is in bolted connection with the lower part of the oil pumping assembly, the lower part of the connecting bearing is connected with the sealing pipe through the sleeve pipe bearing, the inner side of the sealing pipe is provided with the inflatable rubber ring, the inflatable rubber ring is connected with an output end of the air pump penetrating through the sealing pipe, the lower part of the sealing pipe is provided with the top clamping pipe, the outer side of the sealing pipe is provided with the first air cylinder group in annular distribution, the output end of the first air cylinder group penetrates through the top clamping pipe and is connected with the pushing clamping piece, the lower part of the top clamping pipe is provided with the lower clamping pipe, the outer side of the lower clamping pipe is provided with the second air cylinder group in annular distribution, the output end of the second air cylinder group penetrates through the lower clamping pipe and is connected with the circular truncated cone plug, and the lower part of the clamping pipe is provided with the threaded pipe sleeve.

The improved structure is characterized in that the first cylinder group and the pushing clamping piece are annularly distributed in four groups by using a central axis of the jacking pipe, the second cylinder group and the central axis of the lower clamping pipe below the circular truncated cone plug are annularly distributed in four groups, and the central axes of the jacking pipe, the lower clamping pipe and the threaded pipe sleeve are in the same straight line.

The improved structure is characterized in that the positioning component comprises a bolt connecting rod, a round hole top beam, a bolt disc, a plurality of groups of loop bars and a lifting plate, the round hole top beam is arranged at the bottom end of the inner side of the bolt connecting rod, the plurality of groups of loop bars are connected to the lower portion of the round hole top beam through bolts of the bolt disc, and the lifting plate is fixedly connected to one end of each group of loop bars.

The lifting plate is characterized in that the hoisting assembly comprises a bolt circular plate, a tripod and a steel cable, the bolt circular plate is arranged on the top side of the lifting plate, the tripod is arranged above the bolt circular plate, and the steel cable is arranged on the top side of the tripod.

The oil pumping assembly is further improved in that the oil pumping assembly comprises a bolt hanging plate, a pipe jacking cabin, a side pipe, a damping valve block, a threaded bayonet, an oil delivery hose and a pump connecting port, the bolt hanging plate is arranged on the bottom side of the lifting plate, the pipe jacking cabin is arranged below the bolt hanging plate, the side pipe is arranged at two ends of the pipe jacking cabin, and the damping valve block is connected with the side pipe through a hinge.

The oil pump is further improved in that one end of the side pipe is connected with an oil delivery hose through a threaded bayonet bolt, and one end of the oil delivery hose is provided with a pump connecting port.

The utility model has the advantages that:

the utility model discloses mainly utilize the bearing to connect the upper casing pipe in the below of pumping unit spare, make oil drill pipe when cup jointing on fixture, at first utilize the threaded pipe box to carry out the thread tightening with oil drill pipe, set up two sets of cylinder components that are parallel to each other simultaneously on fixture, make oil drill pipe cup joint back output power at the thread tightening, make the cylinder can utilize the centre gripping subassembly of output to carry out firm centre gripping with oil drill pipe, make oil drill pipe can be when high-speed drilling moves, still can firm centre gripping get up, can not produce the accident that the drilling rod drops, the security is promoted.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic view of the sectional three-dimensional structure of the push bench of the present invention;

FIG. 4 is a schematic sectional perspective view of the clamping mechanism of the present invention,

fig. 5 is a schematic view of the structure of the clamping mechanism of the present invention.

Wherein: 1. a positioning member; 101. a bolt connecting rod; 102. a circular hole top beam; 103. a bolt disk; 104. a plurality of groups of loop bars; 105. a lifting plate; 2. a suspension assembly; 201. a bolt circular plate; 202. a tripod; 203. a steel cable; 3. an oil pumping assembly; 301. a bolt hanger plate; 302. a pipe jacking cabin; 303. a side tube; 304. a damping valve plate; 305. a threaded bayonet; 306. an oil delivery hose; 307. a pump port is connected; 4. a clamping mechanism; 401. connecting a bearing; 402. sleeving a pipe; 403. sealing the tube; 404. inflating the rubber ring; 405. an air pump; 406. jacking and clamping the pipe; 407. a first cylinder group; 408. pushing the clamping piece; 409. a lower clamping pipe; 4010. a second cylinder group; 4011. a circular truncated cone plug; 4012. and (4) a threaded pipe sleeve.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the drawings of fig. 1-5, the embodiment provides a quick-assembling oil pipe hanger for well workover, which comprises a positioning member 1 and a clamping mechanism 4, wherein a bolt-assembled suspension assembly 2 is arranged on the upper side of the positioning member 1, a bolt-assembled pumping assembly 3 is arranged below the positioning member 1, and the clamping mechanism 4 connected with a bearing is arranged below the pumping assembly 3;

the clamping mechanism 4 comprises a connecting bearing 401, a sleeve pipe 402, a sealing pipe 403, an inflation rubber ring 404, an air pump 405, a top clamping pipe 406, a first cylinder group 407, a push clamping piece 408, a lower clamping pipe 409, a second cylinder group 4010, a circular truncated cone plug 4011 and a threaded sleeve 4012, the connecting bearing 401 is connected below the oil pumping assembly 3 through bolts, the sealing pipe 403 is connected below the connecting bearing 401 through the sleeve pipe 402 in a bearing mode, the inflation rubber ring 404 is arranged on the inner side of the sealing pipe 403, the output end of the air pump 405 penetrating through the sealing pipe 403 is connected to the inflation rubber ring 404, the top clamping pipe 406 is arranged below the sealing pipe 403, the first cylinder group 407 annularly distributed is arranged on the outer side of the sealing pipe 403, the output end of the first cylinder group 407 penetrates through the top clamping pipe 406 and is connected to the push clamping piece 408, the lower clamping pipe 409 is arranged below the top clamping pipe 406, the second cylinder group 4010 annularly distributed is arranged on the outer side of the lower clamping pipe 409, the output end of the second cylinder group 4010 is connected to the circular truncated cone plug 4011, and the circular truncated cone plug 4012 is arranged below the threaded sleeve 4012.

The first cylinder group 407 and the pushing clamping piece 408 are annularly distributed in four groups on the central axis of the top clamping pipe 406, the second cylinder group 4010 and the circular truncated cone plug 4011 are annularly distributed in four groups on the central axis of the lower clamping pipe 409, and the top clamping pipe 406, the lower clamping pipe 409 and the central axis of the threaded pipe sleeve 4012 are in the same straight line.

In this embodiment, a connection bearing 401 is used for bearing connection of an upper sleeve pipe 402 below a top pipe compartment 302, a sealing pipe 403, a top clamping pipe 406 and a lower clamping pipe 409 are arranged below the sleeve pipe 402 in parallel, the top side of a drill rod penetrates through a threaded sleeve 4012, so that the drill rod is connected with the top pipe through the threaded sleeve 4012 in advance through the threaded sleeve 4012, and an air pump 405 is started to output power, so that an inflatable rubber ring 404 inside the sealing pipe 403 is expanded, and an air tightness improving effect is achieved, and meanwhile, a first cylinder group 407 and a second cylinder group 4010 are started to output power, so that the oil well drill rod can be firmly fixed on a clamping mechanism 4 under clamping of a push clamping piece 408 and a circular truncated cone plug 4011, and the connection bearing 401 is used for bearing connection with the sleeve pipe 402 in the top pipe compartment 302, so that the oil well drill rod cannot fall off and break when drilling at a high speed.

The positioning component 1 comprises a bolt connecting rod 101, a round hole top beam 102, a bolt disc 103, a plurality of groups of loop bars 104 and a lifting plate 105, the round hole top beam 102 is arranged at the bottom end of the inner side of the bolt connecting rod 101, the plurality of groups of loop bars 104 are connected to the lower portion of the round hole top beam 102 through the bolt disc 103 in a bolted mode, and the lifting plate 105 fixedly connected is arranged at one end of each group of loop bars 104.

In this embodiment, the steel cable 203 is first bolted to the upper round top beam 102 by the bolt link 101 on the truss of the drilling platform so as to pass through the round top beam 102, and the multiple sets of loop bars 104 are bolted to the bottom side of the bolt link 101 by the bolt discs 103, and the upper lifting plate 105 is fixedly connected to the bottom side of the multiple sets of loop bars 104.

The hitch assembly 2 includes a bolt circular plate 201, a tripod 202, and a steel cable 203, the bolt circular plate 201 being disposed on the top side of the lifting plate 105, the tripod 202 being disposed above the bolt circular plate 201, and the steel cable 203 being disposed on the top side of the tripod 202.

In this embodiment, the top side of the lifting plate 105 is connected to the upper tripod 202 by the bolt circular plate 201, so that the upper side of the tripod 202 is connected to the upper steel cable 203, and when the steel cable 203 is retracted, the steel cable is matched with a plurality of sets of loop bars 104 to achieve the effect of fixing the lifting plate 105, so that the moving track of the lifting plate 105 is effectively fixed.

The oil pumping assembly 3 comprises a bolt hoisting plate 301, a top pipe cabin 302, a side pipe 303, a damping valve plate 304, a thread bayonet 305, an oil delivery hose 306 and a pump connection port 307, wherein the bolt hoisting plate 301 is arranged at the bottom side of the lifting plate 105, the top pipe cabin 302 is arranged below the bolt hoisting plate 301, the side pipe 303 is arranged at two ends of the top pipe cabin 302, and the damping valve plate 304 connected through hinges is arranged at the inner side of the side pipe 303.

In this embodiment, the top pipe compartment 302 is bolted to the bottom side of the lifting plate 105 by means of a bolt hanger plate 301, an upper pipe 303 is installed on the side of the top pipe compartment 302, and a damping valve plate 304 is connected to the inner side of the side pipe 303, so that the oil does not flow back during pumping, and then an oil hose 306 is connected to one end of the side pipe 303 by means of a screw bayonet 305, and a pump connection port 307 at one end of the oil hose 306 is connected to the oil pump.

One end of the side pipe 303 is connected with an oil hose 306 through a screw thread bayonet 305 by a bolt, and one end of the oil hose 306 is provided with a pump receiving port 307.

In this embodiment, when the oil well drill rod drills an oil well to drill oil, the oil is output to the top pipe compartment 302 through the drill rod, the top clamping pipe 406 and the lower clamping pipe 409 respectively penetrate through the whole clamping mechanism 4 through the pumping action of the oil well pump, and finally the oil is output through the side pipes 303 and the oil delivery hose 306 on the two sides of the top pipe compartment 302, so as to achieve the oil production effect.

The working principle of the oil pipe hanger which can be quickly assembled after well workover is as follows: firstly, a circular hole top beam 102 is connected on a truss of a drilling platform by a bolt connecting rod 101 through a bolt, so that a steel cable 203 penetrates through the circular hole top beam 102, a plurality of groups of loop bars 104 are connected on the bottom side of the bolt connecting rod 101 through a bolt disc 103 through a bolt, an elevating plate 105 is fixedly connected on the bottom side of the groups of loop bars 104, then a triangular frame 202 is connected on the top side of the elevating plate 105 through a bolt disc 201 through a bolt disc, so that the steel cable 203 is connected on the upper side of the triangular frame 202, when the steel cable 203 is folded and unfolded, the effect of fixing the elevating plate 105 is achieved by matching with the groups of loop bars 104, the running track of the elevating plate 105 is effectively fixed, then the top pipe cabin 302 is connected on the bottom side of the elevating plate 105 through a bolt hanging plate 301 through a bolt, an upper side pipe 303 is arranged on the side of the top pipe cabin 302, and a damping valve plate 304 is connected on the inner side of the side pipe 303, so that oil can not generate accidents during extraction, then, one end of a side pipe 303 is connected with an oil delivery hose 306 by a threaded bayonet 305, a pump connection port 307 at one end of the oil delivery hose 306 is connected to an oil well pump, a connecting bearing 401 is used for bearing connection to an upper sleeve pipe 402 below a top pipe cabin 302, a sealing pipe 403, a top clamping pipe 406 and a lower clamping pipe 409 which are distributed in parallel are arranged below the sleeve pipe 402, the top side of a drill rod penetrates through a threaded sleeve 4012, the drill rod is connected in advance by the threaded sleeve 4012 in a threaded manner, an air pump 405 is started to output power, so that an air-filled rubber ring 404 on the inner side of the sealing pipe 403 is expanded, the effect of improving air tightness is achieved, meanwhile, a first cylinder group 407 and a second 4010 are started to output power, the oil well drill rod can be firmly fixed on a clamping mechanism 4 under the clamping of a push clamping sheet 408 and a circular truncated cone cylinder group 4011, and the top pipe cabin 302 is in bearing connection with the sleeve pipe 402 by the connecting bearing 401, the oil well drill rod can not generate the effect of falling and breaking when the oil well drill rod drills an oil well and drills oil, the oil is output to the top pipe cabin 302 through the drill rod and the whole clamping mechanism 4 which is respectively communicated with the lower clamping pipe 409 through the top clamping pipe 406 under the pumping action of the oil well pump under the action of the pumping action of the oil well pump, and finally the oil is output through the side pipes 303 and the oil delivery hose 306 on the two sides of the top pipe cabin 302 so as to achieve the effect of oil production.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A well workover quick assembly's tubing hanger, includes locating member (1) and fixture (4), its characterized in that: a hoisting assembly (2) assembled by bolts is arranged on the upper side of the positioning member (1), an oil pumping assembly (3) assembled by bolts is arranged below the positioning member (1), and a clamping mechanism (4) connected by a bearing is arranged below the oil pumping assembly (3);

the clamping mechanism (4) comprises a connecting bearing (401), a sleeve pipe (402), a sealing pipe (403), an inflatable rubber ring (404), an air pump (405), a top clamping pipe (406), a first cylinder group (407), a push clamping piece (408), a lower clamping pipe (409), a second cylinder group (4010), a circular truncated cone plug (4011) and a threaded pipe sleeve (4012), the connecting bearing (401) is connected below the oil pumping assembly (3) through bolts, the lower part of the connecting bearing (401) is connected with the sealing pipe (403) through the sleeve pipe (402) bearing, the inner side of the sealing pipe (403) is provided with the inflatable rubber ring (404), the inflatable rubber ring (404) is connected with an output end of the air pump (405) penetrating through the sealing pipe (403), the lower part of the sealing pipe (403) is provided with the top clamping pipe (406), the outer side of the sealing pipe (403) is provided with the first cylinder group (407) which is annularly distributed, the output end 406 of the first cylinder group (407) penetrates through the top clamping pipe (408) and is connected with the push clamping piece (408), the lower clamping pipe (4010) is arranged below the second cylinder group (4010), and the lower clamping pipe (4010) is arranged below the circular truncated cone sleeve (4010), and a threaded pipe sleeve (4012) is arranged below the lower clamping pipe (409).

2. A well completion quick assembly tubing hanger according to claim 1 wherein: the first cylinder group (407) and the pushing clamping piece (408) are annularly distributed in four groups by using a central axis of the jacking pipe clamping (406), the second cylinder group (4010) and the circular truncated cone plug (4011) are annularly distributed in four groups by using a central axis of the lower pipe clamping (409), and the central axes of the jacking pipe clamping (406), the lower pipe clamping (409) and the threaded pipe sleeve (4012) are on the same straight line.

3. A well completion quick assembly tubing hanger according to claim 1 wherein: locating component (1) includes bolt connecting rod (101), round hole back timber (102), bolt disc (103), multiunit loop bar (104) and lifter plate (105), the inboard bottom of bolt connecting rod (101) is provided with round hole back timber (102), there are multiunit loop bar (104) below round hole back timber (102) through bolt disc (103) bolted connection, just the one end of multiunit loop bar (104) is provided with fixed connection's lifter plate (105).

4. A well completion quick assembly tubing hanger according to claim 3 wherein: the hoisting assembly (2) comprises a bolt circular plate (201), a tripod (202) and a steel cable (203), wherein the bolt circular plate (201) is arranged on the top side of the lifting plate (105), the tripod (202) is arranged above the bolt circular plate (201), and the steel cable (203) is arranged on the top side of the tripod (202).

5. A well completion quick assembly tubing hanger according to claim 3 wherein: oil pumping subassembly (3) are including bolt hanger plate (301), push pipe cabin (302), side pipe (303), damping valve block (304), screw thread bayonet socket (305), oil delivery hose (306) and connect pump mouth (307), bolt hanger plate (301) set up the bottom side of lifter plate (105), the below of bolt hanger plate (301) is provided with push pipe cabin (302), just the both ends of push pipe cabin (302) are provided with side pipe (303), the inboard of side pipe (303) is provided with hinged joint's damping valve block (304).

6. A well completion quick assembly tubing hanger according to claim 5 wherein: one end of the side pipe (303) is connected with an oil delivery hose (306) through a threaded bayonet (305) by a bolt, and one end of the oil delivery hose (306) is provided with a pump connecting port (307).