CN113153178A

CN113153178A - Downhole operation platform

Info

Publication number: CN113153178A
Application number: CN202110438050.8A
Authority: CN
Inventors: 吕文杰; 陈世龙; 王峰; 管永祥
Original assignee: Jiangsu Rudong Petro Machinery Co ltd
Current assignee: Jiangsu Rudong Petro Machinery Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-07-23
Anticipated expiration: 2041-04-22
Also published as: CN113153178B

Abstract

The invention provides a downhole operation platform which comprises an operation platform, wherein a central hole for lifting and lowering an oil rod and a swing amplitude suspension arm for lifting an oil pipe clamp are arranged on the operation platform, an automatic oil rod conveying device is arranged on one side of the operation platform, in order to prevent oil pollution, the platform is further provided with a pipe column anti-splash clamping device, a liquid collection recovery device and a pollution control device, the pipe column anti-splash clamping device is used for clamping the oil pipe and collecting oil pollution brought out in the lifting process of the oil pipe, the liquid collection recovery device is used for collecting discharged oil pollution, and the pollution control device is used for sealing the upper end of the oil pipe and preventing the oil pollution from being sprayed out.

Description

Downhole operation platform

Technical Field

The invention relates to the technical field of oil field well repairing operation, in particular to an underground operation platform.

Background

The downhole workover operation is a routine operation in the field maintenance and repair work, and the tripping of tubing is one of the most important and essential procedures in the downhole workover operation. In the actual operation process, oil wax and sewage are easily brought out of the oil pipe in the hoisting process, so that environmental pollution is caused and the health of well head workers is also harmed.

Disclosure of Invention

The invention aims to provide an underground operation platform which is used for recovering oil stains brought out in operation and reducing environmental pollution.

In order to achieve the above object, the present invention provides an underground operation platform, which comprises an operation platform, wherein the operation platform is provided with a central hole for lifting and lowering a sucker rod, and a swing amplitude suspension arm for lifting a tubing tong, one side of the operation platform is provided with an automatic sucker rod conveying device, and the operation platform further comprises: the pipe column anti-splash clamping device, the collected liquid recovery device and the pollution control device;

the pipe column anti-splash clamping device is arranged above the central hole and comprises an anti-splash box and a movable arm mechanism, the anti-splash box is provided with slips for clamping the pipe column, and the movable arm mechanism is movably connected with the anti-splash box and used for driving the position of the anti-splash box to move;

the liquid collection and recovery device is communicated with the splash-proof box through a drain pipe and transmits collected liquid to a designated place;

the pollution control device is used for sealing the upper end of the oil pipe when the oil pipe is lifted, and comprises a cylinder body wrapping and connecting an oil pipe coupling and a sealing rubber plate for sealing the upper port of the oil pipe.

Further, the splashproof box includes first box body and second box body, the bottom of first box body and second box body all is provided with the trompil, hold the tubular column through the trompil card after first box body and the combination of second box body, install slips and dental lamina on the trompil, slips and dental lamina are removable with the different pipe diameters of adaptation.

Further, the movable arm mechanism comprises a first movable arm and a second movable arm, the first movable arm and the second movable arm are respectively connected with a first oil cylinder and a second oil cylinder, the first oil cylinder and the second oil cylinder drive the first movable arm and the second movable arm to move on an XY axis, the first movable arm and the second movable arm are respectively connected with the first box body and the second box body in a rotating mode, and the first oil cylinder and the second oil cylinder drive the first box body and the second box body to rotate on a Z axis.

Furthermore, the splash-proof box is connected with a drain pipe, and the drain pipe discharges oil which flows into the splash-proof box from an opening at the bottom of the oil pipe into the liquid collection and recovery device.

Further, collection liquid recovery unit includes the collecting tank, be provided with the blowdown motor in the collecting tank, the fluid discharge that blowdown pipe arranged into the collecting tank is sent to the appointed place to the blowdown motor.

Further, dirty device of accuse includes left and right barrel, and left and right barrel is opened and shut through the axis of rotation and is used for centre gripping tubing coupling, is provided with the eccentric wheel on the barrel of one side, is provided with the handle on the eccentric wheel, and the eccentric wheel is connected with the spring and is resetd, is provided with clamp plate and screw in the left and right barrel, screw and clamp plate fixed connection, eccentric wheel oppression screw move down, drive the clamp plate and descend.

Furthermore, the pressing plate is connected with a bolt, an upper lock pin and a lower lock pin are respectively arranged at two ends of the bolt, a pin hole is formed in the barrel body on one side, and the pressing plate moves up and down to drive the upper lock pin and the lower lock pin to be inserted into the corresponding pin holes.

Further, be provided with V word groove on the automatic conveyor of beam hanger, V word groove is used for receiving the fluid that the beam hanger took out in data send process, is provided with the dirty groove of collection under the automatic conveyor of beam hanger, collects V word groove exhaust fluid, and the dirty groove of collection passes through the blow off pipe and is connected with collection liquid recovery unit.

The invention provides a downhole operation platform which comprises an operation platform, wherein a central hole for lifting and lowering an oil rod and a swing amplitude suspension arm for lifting an oil pipe clamp are arranged on the operation platform, an automatic oil rod conveying device is arranged on one side of the operation platform, in order to prevent oil pollution, the platform is further provided with a pipe column splash-proof clamping device, a liquid collection and recovery device and a pollution control device, the pipe column splash-proof clamping device is used for clamping the oil pipe and collecting oil pollution brought out in the lifting process of the oil pipe, the liquid collection and recovery device collects discharged oil pollution, and the pollution control device is used for sealing the upper end of the oil pipe and preventing the oil pollution from being sprayed out.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative efforts.

Fig. 1 is a schematic structural view of a downhole work platform.

Fig. 2 is a front view of the column splash guard retaining apparatus.

Fig. 3 is a top view of the tubing string splashproof retaining device.

FIG. 4 is a schematic structural view of the collected liquid recovery apparatus.

Fig. 5 is a schematic structural view of the pollution control device.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description, reference is made to "some embodiments" which describe subsets of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Fig. 1 is a schematic structural diagram of a downhole operation platform according to an embodiment of the present invention. As shown in fig. 1, the downhole operation platform of the present invention comprises an operation platform 1, wherein the operation platform 1 is provided with a central hole 5 for lifting and lowering a sucker rod and a swing arm 6 for lifting a tubing tong, and one side of the operation platform is provided with an automatic sucker rod conveying device 7.

In this embodiment, the operation platform is provided with a pipe column splash-proof clamping device 2. The pipe column splash-proof clamping device 2 is used for clamping an oil pipe to complete operation.

As shown in fig. 2 and 3, the pipe column splash-proof holding device 2 is installed above the central hole 5, and comprises a splash-proof box 21 and a movable arm mechanism 22, the splash-proof box 21 is provided with slips 24 for holding the pipe column, and the movable arm mechanism 22 is movably connected with the splash-proof box 21.

Preferably, the movable arm mechanism 22 is hydraulically driven to move the position of the splash box 21.

The movable arm mechanism 22 includes a first movable arm 22a and a second movable arm 22b, the first movable arm 22a and the second movable arm 22b are connected to a first oil cylinder 25a and a second oil cylinder 25b, the first oil cylinder 25a and the second oil cylinder 25b drive the first movable arm 22a and the second movable arm 22b to move on the XY axis, the first movable arm 22a and the second movable arm 22b are rotatably connected to the first box body 21a and the second box body 21b, and the first oil cylinder 25a and the second oil cylinder 25b drive the first box body 21a and the second box body 21b to rotate on the Z axis.

Preferably, the splashproof box includes first box body 21a and second box body 21b, the bottom of first box body 21a and second box body 21b all is provided with the trompil, holds the tube column through the trompil after first box body and the combination of second box body, install slips 24 and dental lamina on the trompil, slips 24 and dental lamina are removable with the different pipe diameters of adaptation.

In this embodiment, after the shackle is completed, the movable arm mechanism 22 drives the splash box 21 to move forward and clamp the pipe column, and then lifts the oil pipe by a certain height, the liquid in the suspended oil pipe flows into the splash box 21, and then the well liquid is discharged to the wellhead liquid collecting and recycling device 3 through the drain outlet 23 on the splash box 21, and after the oil pipe is lifted off the splash box 21, the operation button retreats the splash box 21 to the initial position.

In this embodiment, the device 2 below is provided with an album of liquid recovery unit 3 to the tubular column splashproof card, and album of liquid recovery unit 3 is fixed in on operation platform 1.

As shown in fig. 4, the sump recovery device 3 includes a sump 32, and a drain motor 31 is provided in the sump 32, and the drain motor 21 discharges the oil discharged into the sump 32 through the drain pipe 23 to a designated place.

In this embodiment, the platform is further provided with a pollution control device 4, and the upper end of the oil pipe is closed when the pollution control device 4 is used for lifting the oil pipe.

As shown in fig. 5, the contamination control device 4 includes a cylinder 45 for enclosing the oil pipe coupling and a sealing rubber plate 411 for sealing the upper port of the oil pipe. The cylinder comprises a left part 45a and a right part 45b, the left cylinder and the right cylinder are opened and closed through a rotating shaft to clamp a tubing coupling, an eccentric wheel 47 is arranged on the cylinder on one side, a handle 46 is arranged on the eccentric wheel 47, the eccentric wheel 46 is connected with a spring 48 for resetting, a pressure plate 49 and a screw 412 are arranged in the left cylinder and the right cylinder, the screw is fixedly connected with the pressure plate 49, and the eccentric wheel 47 presses the screw 412 to move downwards to drive the pressure plate 49 to descend.

Specifically, the pressing plate 49 is connected with a bolt, the two ends of the bolt are respectively provided with an upper lock pin 42 and a lower lock pin 44, the cylinder body on one side is provided with a pin hole 410, and the pressing plate 49 moves up and down to drive the upper lock pin 42 and the lower lock pin 44 to be inserted into the corresponding pin holes.

In the in-service use process, when dirty device of accuse was used for having played down oil pipe, seal oil pipe upper end, prevent that the inside well liquid of oil pipe from overflowing from oil pipe upper end mouth. By adopting the structural design of the eccentric wheel, the oil pipe coupling can be locked only by holding the pollution control device during operation and pressing the handle of the eccentric wheel downwards, the upper port of the oil pipe is completely sealed, and well fluid can be prevented from overflowing and spilling onto the ground and a wellhead worker.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an underground operation platform, includes operation platform, operation platform is last to be provided with the centre bore that supplies to play, down the beam hanger and the swing of amplitude davit that is used for lifting by crane tubing tong, and operation platform one side is provided with the automatic conveyor of beam hanger, its characterized in that, operation platform still includes: the pipe column anti-splash clamping device, the collected liquid recovery device and the pollution control device;

the pipe column anti-splash clamping device is arranged above the central hole and comprises an anti-splash box and a movable arm mechanism, the anti-splash box is provided with slips for clamping the pipe column, and the movable arm mechanism is movably connected with the anti-splash box and used for driving the anti-splash box to move;

the liquid collection and recovery device is communicated with the splash-proof box through a sewage discharge pipe and transmits collected liquid to a designated place;

2. The downhole operation platform of claim 1, wherein the splash-proof box comprises a first box body and a second box body, openings are formed in the bottoms of the first box body and the second box body, the first box body and the second box body are combined and then clamp the pipe column through the openings, slips and dental plates are installed on the openings, and the slips and the dental plates can be replaced to adapt to different pipe diameters.

3. The downhole operations platform of claim 2, wherein the moveable arm mechanism comprises a first moveable arm and a second moveable arm, the first moveable arm and the second moveable arm are connected to a first cylinder and a second cylinder, respectively, the first cylinder and the second cylinder driving the first moveable arm and the second moveable arm to move in the XY-axis, the first moveable arm and the second moveable arm are rotatably connected to the first cartridge and the second cartridge, respectively, the first cylinder and the second cylinder driving the first cartridge and the second cartridge to rotate in the Z-axis.

4. The downhole operation platform of claim 3, wherein the splash-proof box is connected with a drain pipe, and the drain pipe discharges oil which flows into the splash-proof box from an opening at the bottom of the oil pipe into the liquid collection and recovery device.

5. A downhole operations platform as claimed in claim 4, wherein said fluid collection recovery device comprises a sump, said sump having a blow down motor disposed therein, said blow down motor discharging oil drained into the sump by a blow down pipe to a designated location.

6. The downhole operation platform as claimed in claim 1, wherein the contamination control device comprises left and right cylinders which are opened and closed by a rotation shaft to clamp the tubing coupling, an eccentric wheel is provided on one of the cylinders, a handle is provided on the eccentric wheel, the eccentric wheel is connected with a spring to reset, a pressure plate and a screw are provided in the left and right cylinders, the screw is fixedly connected with the pressure plate, and the eccentric wheel presses the screw to move downwards to drive the pressure plate to move downwards.

7. The downhole operation platform as claimed in claim 6, wherein the pressure plate is connected with a bolt, the bolt is provided with an upper lock pin and a lower lock pin at two ends thereof, the cylinder body on one side is provided with a pin hole, and the pressure plate moves up and down to drive the upper lock pin and the lower lock pin to be inserted into the corresponding pin holes.

8. The downhole operation platform as claimed in claim 1, wherein the automatic sucker rod conveying device is provided with a V-shaped groove for receiving oil brought out by the sucker rod during the conveying process, a dirt collecting groove is arranged below the automatic sucker rod conveying device for collecting the oil discharged from the V-shaped groove, and the dirt collecting groove is connected with the liquid collecting and recycling device through a drain pipe.