CN216426657U

CN216426657U - Oil pipe hoisting auxiliary device

Info

Publication number: CN216426657U
Application number: CN202122647674.9U
Authority: CN
Inventors: 孙武; 邢德钢; 仝继昌; 王康; 李铁恒; 苗钰琦
Original assignee: China Petroleum and Chemical Corp; Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch Co
Current assignee: China Petroleum and Chemical Corp; Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch Co
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-03
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to an oil pipe is from depositing the transport between place to well. The oil pipe hoisting auxiliary device comprises an auxiliary trolley, wherein the auxiliary trolley is provided with a guide structure which is used for being assembled on a corresponding trolley guide rail in a guide way and an oil pipe supporting structure which is used for supporting the lower end of an oil pipe to be hoisted; the oil pipe hoisting auxiliary device also comprises a trolley guide rail which is fixed on the oil pipe storage rack and used for guiding and assembling an auxiliary trolley; the two ends of the trolley guide rail in the extending direction are respectively connected with a guide rail support, the guide rail supports are provided with storage rack connecting structures used for being fixed on oil pipe supporting beams of the oil pipe storage rack, and the oil pipe supporting beams are supporting beams used for supporting the axial end parts of oil pipes on the oil pipe storage rack. According to the scheme, the problems that an oil pipe hoisting auxiliary device in the prior art is large in occupied area and high in cost can be solved.

Description

Oil pipe hoisting auxiliary device

Technical Field

The utility model relates to an oil pipe is from depositing the transport between place to well.

Background

In oil well operation, an operation worker needs to hoist an oil pipe to lift and lower the oil pipe, namely, the oil pipe is lifted and lowered into a well. At present, hoisting operation is often realized by utilizing a hoisting device on a derrick under manual assistance, a lifting hook on the hoisting device hooks an elevator, the elevator is fixed to the upper end of an oil pipe, and the lower end of the oil pipe is manually supported and moved by workers. An oil pipe storage rack is arranged beside the derrick and used for storing oil pipes to be put into or taken out of the well. The traditional operation mode can increase the workload of workers, has low hoisting efficiency and also has certain unsafe factors.

In the prior art, some well sites use large hoisting equipment to hoist the oil pipe, for example, an automatic auxiliary device for workover disclosed in chinese patent publication No. CN105822241A is provided, in which a slideway support is disposed beside an oil pipe storage rack, a pulley is disposed on the slideway support along the axial direction of the oil pipe during storage, and the support and movement of the lower end of the oil pipe are realized by the pulley. However, the devices of the above patent documents require additional space, are costly, have a large floor space, and are cumbersome to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil pipe hoist and mount auxiliary device solves the big, with high costs problem of oil pipe hoist and mount auxiliary device area among the prior art.

The utility model discloses in adopt following technical scheme:

the oil pipe hoisting auxiliary device comprises an auxiliary trolley, wherein the auxiliary trolley is provided with a guide structure which is used for being assembled on a corresponding trolley guide rail in a guide way and an oil pipe supporting structure which is used for supporting the lower end of an oil pipe to be hoisted; the oil pipe hoisting auxiliary device also comprises a trolley guide rail which is fixed on the oil pipe storage rack and used for guiding and assembling an auxiliary trolley; the two ends of the trolley guide rail in the extending direction are respectively connected with a guide rail support, the guide rail supports are provided with storage rack connecting structures used for being fixed on oil pipe supporting beams of the oil pipe storage rack, and the oil pipe supporting beams are supporting beams used for supporting the axial end parts of oil pipes on the oil pipe storage rack.

Has the advantages that: by adopting the technical scheme, the guide rail support can be fixed on two oil pipe supporting beams of the oil pipe storage rack through the storage rack connecting structure, so that the trolley guide rail can be directly fixed on the oil pipe storage rack, and further the auxiliary trolley can be used for supporting the lower end of the oil pipe.

As a preferred technical scheme: the height of the guide rail support at the two ends of the trolley guide rail is higher than that of the guide rail support at the other end of the trolley guide rail.

Has the advantages that: by adopting the technical scheme, the auxiliary trolley can automatically slide down to reset, and the operation is more convenient.

As a preferred technical scheme: the guide rail support at least one end of the trolley guide rail is an adjustable support with adjustable height.

Has the advantages that: by adopting the technical scheme, different operation requirements can be met, and the universality is good.

As a preferred technical scheme: the trolley guide rail comprises more than two rail pipes which are horizontally arranged in parallel, and guide rail supports are arranged at two ends of each rail pipe in the length direction; the top of the guide rail support is provided with a rail pipe clamping groove for the rail pipe to be embedded so as to realize the radial positioning of the rail pipe; the oil pipe hoisting auxiliary device further comprises a track pipe fixing pin or a track pipe fixing screw which is used for being connected between the guide rail support and the track pipe.

Has the advantages that: by adopting the technical scheme, the positioning and fixing of the track pipe can be conveniently realized through the track pipe clamping groove, the structure is simple, and the dismounting is convenient.

As a preferred technical scheme: the bottom of the guide rail support is provided with a support beam clamping groove used for positioning and clamping the support beam on an oil pipe support beam; the oil pipe hoisting auxiliary device also comprises a support beam fixing pin or a support beam fixing screw which is used for connecting between the guide rail support and the oil pipe supporting beam; the storage rack connecting structure is formed by a supporting beam clamping groove and a supporting beam fixing pin, or formed by a supporting beam clamping groove and a supporting beam fixing screw.

Has the advantages that: by adopting the technical scheme, the guide rail support can be conveniently positioned and fixed through the supporting beam clamping groove, and the guide rail support is simple in structure and convenient to disassemble and assemble.

As a preferred technical scheme: the guide rail support at one end of the trolley guide rail deviates to the middle part of the length direction of the trolley guide rail and is used for enabling the end of the trolley guide rail to overhang the oil pipe supporting cross beam.

Has the advantages that: by adopting the technical scheme, the lower ends of the auxiliary trolley and the oil pipe are closer to the wellhead, so that the hoisting operation is more convenient.

As a preferred technical scheme: the auxiliary trolley comprises a trolley top plate, wherein a pipe end slot is formed in the middle of the trolley top plate, and the pipe end slot forms an oil pipe supporting structure for the lower end of the oil pipe to be hoisted to be inserted into so as to support the lower end of the oil pipe to be hoisted.

Has the beneficial effects that: by adopting the technical scheme, the pipe end slot can position the oil pipe, the operation is convenient, and the safety is good.

As a preferred technical scheme: and a liquid discharge hole is formed at the bottom of the pipe end slot.

Has the advantages that: by adopting the technical scheme, oil liquid gathering in the pipe end slot can be avoided, and pollution and dirt are avoided.

As a preferred technical scheme: the trolley top plate is provided with a supporting cylinder, the pipe end slot is formed by an inner cavity of the supporting cylinder, and the top of the supporting cylinder is hinged to the trolley top plate.

Has the advantages that: by adopting the technical scheme, the supporting cylinder can ensure good supporting and radial positioning of the oil pipe, and the top of the supporting cylinder is hinged on the top plate of the trolley, so that the supporting cylinder can better adapt to gradient change of the oil pipe and is favorable for being hoisted more smoothly.

As a preferred technical scheme: and a crowbar jack is arranged on the top plate of the trolley and arranged around the pipe end slot, so that the front end of the crowbar can be inserted to form a prying fulcrum when the oil pipe is pried.

Has the advantages that: by adopting the technical scheme, the oil pipe is convenient to move, and the operation convenience is improved.

Drawings

Fig. 1 is a schematic view of an operating state of an embodiment 1 of the middle oil pipe hoisting auxiliary device of the present invention;

FIG. 2 is a perspective view of an auxiliary trolley in the oil pipe hoisting auxiliary device;

fig. 3 is a front view of the auxiliary trolley of fig. 2.

The names of the components corresponding to the corresponding reference numerals in the drawings are: 11. a wellhead; 12. an operating frame; 13. a hoisting device; 14. a hook; 15. an elevator; 21. an oil pipe; 31. an auxiliary trolley; 32. a trolley top plate; 33. a roller; 34. a support cylinder; 35. a liquid discharge hole; 36. a drawing hole; 37. a hauling rope; 38. a crow bar jack; 41. a trolley guide rail; 42. a guide rail support; 51. oil pipe storage rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as the terms 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. Without further limitation, the statement that "comprises an … …" is intended to indicate that there are additional elements of the same process, method, article, or apparatus that comprise the element.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" as may be used herein are to be construed broadly, e.g., as being fixed or releasably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses well oil pipe hoist and mount auxiliary device's embodiment 1:

as shown in fig. 1, the oil pipe hoisting auxiliary device is used for cooperating with an operation frame 12 at a wellhead 11 of an oil well to perform oil pipe hoisting and tripping operation, a hoisting device 13 is arranged on the operation frame 12, a lifting rope of the hoisting device 13 is connected with a lifting hook 14, an elevator 15 is hooked on the lifting hook 14, and the elevator 15 is used for being connected to the upper end of an oil pipe 21 to be hoisted. The oil pipe hoisting auxiliary device comprises an auxiliary trolley 31, a trolley guide rail 41 and a guide rail support 42. An oil pipe storage rack 51 is provided at the wellhead 11, and the oil pipe storage rack 51 includes an oil pipe support beam (not shown in the drawings, extending in a direction perpendicular to the paper plane) for supporting an axial end portion of the oil pipe 21. The work frame 12, the lifting device 13, the hook 14, the elevator 15, and the tubing storage rack 51 are all of the prior art and will not be described in detail herein.

The trolley guide rail 41 comprises two rail pipes, two ends of each rail pipe in the length direction are respectively provided with a guide rail support 42, and the guide rail supports 42 are used for being fixed on the oil pipe storage rack 51 and used for guiding and assembling the auxiliary trolley 31. The rail mounts 42 at the two ends of the cart rail 41 are higher and lower, so that the left end of the cart rail 41 is higher than the right end in fig. 1. Since the right-hand rail mount 42 is lower, only the left-hand rail mount 42, i.e., the rail mount 42 on the side closer to the work frame 12, is shown in fig. 1. The track pipe is formed by connecting the multiple sections of pipe bodies with different lengths in sequence, and length adjustment can be realized. The two ends of the rail pipe can be fixedly provided with baffle plates to prevent the auxiliary trolley 31 from slipping.

The guide rail support 42 is of a cross structure and is formed by two groove bodies with semicircular cross sections, and the notches of the two groove bodies are back to back and are connected together in a vertical crossed manner. The guide rail support 42 on the left side in fig. 1 is an adjustable support, and the adjustable support comprises a top seat, a base and an adjusting screw rod, the adjusting screw rod is supported between the top seat and the base, and the adjusting screw rod is welded and fixed with the base, is in threaded connection with the top seat and is used for adjusting the height.

A groove cavity of the groove body positioned above forms a track pipe clamping groove for the track pipe to be embedded so as to realize radial positioning of the track pipe; the oil pipe hoisting auxiliary device further comprises a rail pipe fixing pin which is used for being connected between the guide rail support 42 and the rail pipe to fix the rail pipe. Of course, the guide rail support 42 and the rail pipe are provided with corresponding pin holes for the rail pipe fixing pins to pass through.

A groove cavity of the groove body positioned below forms a supporting beam clamping groove which is used for positioning and clamping the supporting beam on an oil pipe supporting cross beam; the oil pipe hoisting auxiliary device further comprises a supporting beam fixing pin which is used for being connected between the guide rail support 42 and the oil pipe supporting beam to fix the guide rail support 42. Of course, the guide rail support 42 and the oil pipe supporting beam are provided with corresponding pin holes for the supporting beam fixing pins to pass through. The support beam clamp groove and the support beam fixing pin form a storage rack connecting structure for fixing the guide rail support 42 to two oil pipe support beams of the oil pipe storage rack 51.

In fig. 1, the rail support 42 at the left end of the trolley rail 41 is biased to the middle of the trolley rail 41 in the length direction, and is used for enabling the end of the trolley rail 41 to overhang the oil pipe supporting beam, so that the lower end of the oil pipe 21 is closer to the wellhead 11, and the hoisting is facilitated.

As shown in fig. 2 and 3, the auxiliary trolley 31 includes a trolley top plate 32, a roller 33 is respectively disposed at four corners of the bottom of the trolley top plate 32, and a circular arc-shaped wheel groove is disposed on the roller 33, and the wheel groove is adapted to the rail pipe to form a guiding structure, so that the roller can stably roll on the rail pipe to prevent derailment. The middle part of the trolley top plate 32 is provided with a supporting cylinder 34, the diameter of the supporting cylinder 34 is larger than that of the oil pipe 21, and a pipe end slot is formed in the inner cavity and used as an oil pipe supporting structure for inserting the lower end of the oil pipe 21 to be hoisted so as to support the lower end of the oil pipe 21 to be hoisted. The top of the supporting cylinder 34 is hinged on the trolley top plate 32, as shown in fig. 3, and can deflect within a certain angle alpha, so that the angle change in the oil pipe hoisting process can be realized. The bottom of the pipe end slot is provided with a liquid discharge hole 35 for leaking oil liquid. The auxiliary trolley 31 is also provided with a traction hole 36, the traction hole 36 is connected with a traction rope 37, so that an operator can drive the auxiliary trolley 31 and the lower end of the oil pipe 21 to move through the traction rope 37, and the auxiliary trolley 31 can be prevented from slipping along the inclined track pipe by itself. A crowbar jack 38 is further arranged on the trolley top plate 32, and the crowbar jack 38 is arranged around the pipe end slot for the front end of a crowbar to be inserted so as to form a prying fulcrum when the oil pipe 21 is pried, so that the position of the oil pipe 21 can be conveniently adjusted to support the oil pipe 21 on the oil pipe support structure.

When the oil pipe storage rack is used, the trolley guide rails 41 are arranged at the two ends of the oil pipe storage rack 51, the height of the trolley guide rails 41 is adjusted, and then the guide rail supports 42 are arranged at the two ends of the trolley guide rails 41 which are connected into a set length, so that the guide rail supports 42 and the trolley guide rails 41 are integrated. The distance between the trolley guide rail 41 and the wellhead 11 is adjusted, the traction rope 37 is connected to the traction hole 36 on the auxiliary trolley 31, and the auxiliary trolley 31 is placed on the trolley guide rail 41. During hoisting operation, the upper ends of the elevator 15 and the oil pipe 21 are hoisted by the hook 14 on the operation frame 12, the lower end of the oil pipe 21 is supported in an oil pipe supporting structure formed by the supporting barrel 34 on the auxiliary trolley 31, and the oil pipe 21 is enabled to be close to the wellhead 11 while being upright along with the lifting of the hook 14 and the matching of the traction rope 37, so that the oil pipe 21 is hoisted and connected.

The utility model discloses well oil pipe hoist and mount auxiliary device's embodiment 2:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the guide rail support 42 is an adjustable support, and the height can be adjusted, whereas in this embodiment, the guide rail support 42 is a fixed-height support.

The utility model discloses well oil pipe hoist and mount auxiliary device's embodiment 3:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the height of the rail seat 42 is adjusted by adjusting the screw, while in this embodiment, the adjustable seat comprises a top seat, a bottom seat and at least two replaceable seats, the replaceable seats are detachably connected between the top seat and the bottom seat by screws, and the height adjustment of the rail seat 42 can be realized by replacing the replaceable seats with the required height.

The utility model discloses well oil pipe hoist and mount auxiliary device's embodiment 4:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the guide rail support 42 is fixed with the trolley guide rail 41 and the oil pipe supporting beam by fixing pins, and in this embodiment, the top and the bottom of the guide rail support 42 are both provided with threaded holes, and are fixed with the trolley guide rail 41 and the oil pipe supporting beam by screws.

The utility model discloses well oil pipe hoist and mount auxiliary device's embodiment 5:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the oil pipe support structure on the auxiliary trolley 31 is a pipe end slot formed by the support cylinder 34, and in this embodiment, the oil pipe support structure is a semi-cylindrical slot with a horizontal axis. Of course, in other embodiments, the oil pipe supporting structure may also be in other forms, such as a planar structure, and for example, two left and right side baffles are disposed on the cart top plate 32, and end baffles are disposed at ends of the two side baffles, which are away from the wellhead 11, to form a U-shaped structure, and the plate surface of the cart top plate 32, the side baffles and the end baffles together form the oil pipe supporting structure.

The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.

Claims

1. The oil pipe hoisting auxiliary device is characterized by comprising an auxiliary trolley (31), wherein the auxiliary trolley (31) is provided with a guide structure which is used for guiding and assembling on a corresponding trolley guide rail (41) and an oil pipe support structure which is used for supporting the lower end of an oil pipe (21) to be hoisted; the oil pipe hoisting auxiliary device also comprises a trolley guide rail (41) which is fixed on the oil pipe storage rack (51) and used for guiding and assembling the auxiliary trolley (31); the extending direction both ends of dolly guide rail (41) are connected with guide rail support (42) respectively, are equipped with on guide rail support (42) to be used for fixing to the storage rack connection structure on the oil pipe supporting beam of oil pipe storage rack (51), oil pipe supporting beam is the supporting beam who is used for supporting the axial tip of oil pipe (21) on oil pipe storage rack (51).

2. The oil pipe hoisting auxiliary device according to claim 1, wherein the height of the rail support (42) at both ends of the trolley rail (41) is higher and lower, so that one end of the trolley rail (41) is higher than the other end.

3. Oil pipe hoisting aid according to claim 1, characterized in that the guide rail support (42) of at least one end of the trolley guide rail (41) is an adjustable support of adjustable height.

4. The oil pipe hoisting auxiliary device according to any one of claims 1 to 3, wherein the trolley guide rail (41) comprises more than two rail pipes which are horizontally arranged in parallel, and guide rail supports (42) are arranged at two ends of each rail pipe in the length direction; the top of the guide rail support (42) is provided with a rail pipe clamping groove for the rail pipe to be embedded so as to realize the radial positioning of the rail pipe; the oil pipe hoisting auxiliary device further comprises a track pipe fixing pin or a track pipe fixing screw which is used for being connected between the guide rail support (42) and the track pipe.

5. The oil pipe hoisting auxiliary device of any one of claims 1 to 3, wherein the bottom of the guide rail support (42) is provided with a support beam clamping groove for positioning and clamping on an oil pipe support beam; the oil pipe hoisting auxiliary device also comprises a support beam fixing pin or a support beam fixing screw which is used for being connected between the guide rail support (42) and the oil pipe supporting beam; the storage rack connecting structure is formed by a supporting beam clamping groove and a supporting beam fixing pin, or formed by a supporting beam clamping groove and a supporting beam fixing screw.

6. The oil pipe hoisting auxiliary device according to any one of claims 1 to 3, wherein the guide rail support (42) at one end of the trolley guide rail (41) is biased toward the middle in the length direction of the trolley guide rail (41) for allowing the end of the trolley guide rail (41) to overhang the oil pipe supporting cross member.

7. The oil pipe hoisting auxiliary device according to any one of claims 1 to 3, wherein the auxiliary trolley (31) comprises a trolley top plate (32), and a pipe end slot is formed in the middle of the trolley top plate (32), and forms an oil pipe supporting structure for inserting the lower end of the oil pipe (21) to be hoisted so as to support the lower end of the oil pipe (21) to be hoisted.

8. The oil pipe hoisting auxiliary device of claim 7, wherein the bottom of the pipe end slot is provided with a drain hole (35).

9. The oil pipe hoisting auxiliary device of claim 7, wherein the trolley top plate (32) is provided with a support cylinder (34), the pipe end slot is formed by an inner cavity of the support cylinder (34), and the top of the support cylinder (34) is hinged on the trolley top plate (32).

10. The oil pipe hoisting auxiliary device according to claim 7, wherein a crowbar inserting hole (38) is formed in the trolley top plate (32), and the crowbar inserting hole (38) is formed around the pipe end inserting slot and used for inserting the front end of a crowbar so as to form a prying fulcrum when the oil pipe (21) is pried.