CN213330936U

CN213330936U - Glass fiber reinforced plastic downhole oil pipe with seal ring in socket joint connection

Info

Publication number: CN213330936U
Application number: CN202021928155.9U
Authority: CN
Inventors: 郝汝生; 苑凤军; 于冰宇; 袁辉; 郭鹏
Original assignee: Shengli Oil Field Oriental Pengda Non Metallic Material Product Co ltd
Current assignee: Shengli Oil Field Oriental Pengda Non Metallic Material Product Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-01
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a glass fiber reinforced plastic down-hole oil pipe with sealing ring socket joint, which comprises a first oil pipe body, wherein a spring is fixedly arranged on the first oil pipe body, a connecting socket is arranged at the right end of the first oil pipe body, a sealing ring is fixedly arranged at the right end of the connecting socket, a fixing nut is fixedly arranged at the right end of the sealing ring, and a threaded interface is fixedly connected with the right end of the fixing nut in a threaded manner; we are provided with the synthetic leather in the interface outside one deck of oil pipe to prevent oil pipe joint oil leak, still be equipped with the one deck bushing pipe in the outer lane of synthetic leather simultaneously, it is fixed with three group's buckles on the bushing pipe, in order to protect the synthetic leather not damaged, in addition, we still are provided with the clamp in oil pipe's outer lane, the clamp can play the tight hoop effect to oil pipe, rupture that causes because of the hydraulic pressure difference in advance because of oil pipe is too big, so not only can reduce staff's activity cost and labour cost, also can improve the economic benefits in oil field simultaneously.

Description

Glass fiber reinforced plastic downhole oil pipe with seal ring in socket joint connection

Technical Field

The utility model belongs to the technical field of glass steel oil pipe in the pit, concretely relates to glass steel oil pipe in pit that sealing washer socket joint is connected.

Background

Along with the development of oil and gas fields, an oil pipe works in a complex environment containing oil, gas, water, polymers and the like for a long time and bears liquid column force, friction force and alternating load, and particularly when the oil field enters a later period with high water content, the faults caused by the failure of the underground oil pipe of the oil pumping unit are obviously increased, so that the operation cost is increased, the cost of crude oil is increased, the benefit is reduced, the original yield is influenced, and a great deal of difficulty is brought to production management.

The gap appears easily at the kneck under the effect of last ten thousand alternating loads every day for current oil pipe in the pit to cause the oil pipe to leak, in addition, along with the increase of liquid level degree of depth, the inside liquid column pressure differential that bears of oil pipe is big more, causes oil pipe to break easily, and the proportion of defective oil pipe leakage just also is higher more just, and this has not only increased the development cost of staff to the oil gas field, has also increaseed staff's the operation degree of difficulty simultaneously, makes the efficiency of development reduce, influences the economic benefits in oil field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a glass steel is oil pipe in pit that sealing washer socket joint is connected, with the current oil pipe in pit that proposes in solving above-mentioned background art under the effect of last ten thousand alternating loads every day, the gap appears easily at the kneck, thereby cause oil pipe leakage, in addition, along with the increase of liquid level degree of depth, the inside liquid column pressure difference that bears of oil pipe is big more, cause oil pipe to break easily, the proportion of defective oil pipe leakage just also is high more, this has not only increased the development cost of staff to the oil gas field, staff's the operation degree of difficulty has also been increaseed simultaneously, make the efficiency of development reduce, influence the problem of the economic benefits in oil field.

In order to achieve the above object, the utility model provides a following technical scheme: a glass fiber reinforced plastic downhole oil pipe with a seal ring in socket joint comprises a first oil pipe body, wherein a spring is fixedly mounted on the first oil pipe body, a connecting socket is formed in the right end of the first oil pipe body, a seal ring is fixedly mounted at the right end of the connecting socket, a fixing nut is fixedly mounted at the right end of the seal ring, a threaded connector is fixedly connected to the right end of the fixing nut in a screwed mode, a second oil pipe body is arranged on the right side of the first oil pipe body, a connecting socket is formed in the left end of the second oil pipe body, a clamp is fixedly mounted at the right end of the second oil pipe body, a liner pipe is fixedly mounted at the joint of the first oil pipe body and the second oil pipe body, artificial leather is fixedly mounted inside the liner pipe, a first limiting block is fixedly mounted at the upper end of the liner pipe, a second limiting block is fixedly mounted at the lower end of the liner pipe, and, the right-hand member movable mounting of first stopper has the buckle, the spacing hole of second has been seted up on the second stopper, the left end welded fastening of second stopper has the U type ring, the top fixed mounting of clamp has the ear, the recess has been seted up on the ear, the inside recess of having seted up of right-hand member of clamp, the interlocking hole has been seted up to the upper end of clamp.

Preferably, the fixing nut is fixed with the inside of the connecting bell mouth through a threaded connector in a threaded connection mode, and the first oil pipe body and the second oil pipe body are connected with the socket of the connecting bell mouth through a connecting socket.

Preferably, the first limiting blocks and the second limiting blocks are provided with three groups, and each group of first limiting blocks is connected with each group of second limiting blocks through a buckle.

Preferably, the clip is adjustable in diameter of the inner ring by adjusting the interlocking hole.

Preferably, the inside of the liner tube is provided with sockets of the first oil tube body and the second oil tube body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, we are provided with the synthetic leather in oil pipe's interface outside one deck, in order to prevent oil pipe joint oil leak, still be equipped with the one deck bushing pipe in the outer lane of synthetic leather simultaneously, it is fixed with three group's buckles on the bushing pipe, in order to protect the synthetic leather not damaged, in addition, we still are provided with the clamp in oil pipe's outer lane, the clamp can play the tight hoop effect to oil pipe, in order to prevent oil pipe inside because of the too big fracture that causes of hydraulic pressure difference in advance, so not only can reduce staff's operation cost and labour cost, also can improve the economic.

Drawings

FIG. 1 is a schematic view of the structure of the glass fiber reinforced plastic oil pipe of the present invention;

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

FIG. 3 is a schematic view of the clamp structure of the present invention;

in the figure: 1-a first oil pipe body, 2-a spring, 3-a connecting socket, 4-a sealing ring, 5-a fixing nut, 6-a second oil pipe body, 7-a hoop, 8-a connecting bell mouth, 9-a threaded interface, 10-a first limiting block, 11-artificial leather, 12-a liner pipe, 13-a second limiting block, 14-a U-shaped ring, 15-a second limiting hole, 16-a retaining ring, 17-a first limiting hole, 18-an ear part, 19-a recess, 20-a groove and 21-an interlocking hole.

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. 1-3, the present invention provides a technical solution of a glass fiber reinforced plastic downhole oil pipe with a sealing ring in socket connection: comprises a first oil pipe body 1, a spring 2 is fixedly arranged on the first oil pipe body 1, a connecting socket 3 is arranged at the right end of the first oil pipe body 1, a sealing ring 4 is fixedly arranged at the right end of the connecting socket 3, a fixing nut 5 is fixedly arranged at the right end of the sealing ring 4, a threaded interface 9 is fixedly connected with the right end of the fixing nut 5 in a threaded manner, a second oil pipe body 6 is arranged at the right side of the first oil pipe body 1, a connecting socket 8 is arranged at the left end of the second oil pipe body 6, a clamp 7 is fixedly arranged at the right end of the second oil pipe body 6, a liner pipe 12 is fixedly arranged at the interface of the first oil pipe body 1 and the second oil pipe body 6, artificial leather 11 is fixedly arranged inside the liner pipe 12, a first limiting block 10 is fixedly arranged at the upper end of the liner pipe 12, a second limiting block 13 is fixedly arranged at the lower end of the liner pipe 12, a first limiting hole, second limiting holes 15 are formed in the second limiting block 13, a U-shaped ring 14 is fixed to the left end of the second limiting block 13 in a welded mode, an ear portion 18 is fixedly mounted at the top end of the clamp 7, a concave seat 19 is formed in the ear portion 18, a groove 20 is formed in the right end of the clamp 7, and an interlocking hole 21 is formed in the upper end of the clamp 7.

In order to connect the first oil pipe body 1 and the second oil pipe body, in this embodiment, the preferable fixing nut 5 is screwed and fixed with the inside of the connection socket 8 through the threaded interface 9, and the first oil pipe body 1 and the second oil pipe body 6 are socket-connected with the connection socket 8 through the connection spigot 3.

In order to enable the liner tube 12 to wrap the artificial leather 11 and the outer ring of the oil tube, in this embodiment, three groups of preferable first limiting blocks 10 and second limiting blocks 13 are provided, and each group of first limiting blocks 10 and each group of second limiting blocks 13 are connected by a buckle 16.

In order to make the clamping band 7 clamp the outer ring of the oil pipe, in the embodiment, the preferred clamping band 7 can adjust the diameter of the inner ring by adjusting the interlocking hole 21.

In order to prevent oil leakage at the oil pipe joint, in this embodiment, the inside of the liner tube 12 is preferably provided with sockets for the first oil pipe body 1 and the second oil pipe body 6.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, be connected through connecting

socket

3 and 8 sockets of connection bellmouth between first oil pipe body 1 and the second oil pipe body 6, in addition, be provided with round synthetic leather 11 in the outside of socket, bushing pipe 12 is installed to synthetic leather 11's outer lane, thereby bushing pipe 12 keeps encapsulated situation through

first stopper

10 and 13 both buckles of second stopper are connected, the diameter size of inner circle is adjusted to clamp 7 accessible interlocking hole 21, clean up the socket part after oil pipe finishes using, in order to use next time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. 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. The utility model provides a glass steel is oil pipe in pit that sealing washer socket joint is connected, includes first oil pipe body (1), its characterized in that: the oil pipe comprises a first oil pipe body (1), a spring (2) is fixedly mounted on the first oil pipe body (1), a connecting socket (3) is formed in the right end of the first oil pipe body (1), a sealing ring (4) is fixedly mounted at the right end of the connecting socket (3), a fixing nut (5) is fixedly mounted at the right end of the sealing ring (4), a threaded connector (9) is fixed to the right end of the fixing nut (5) in a threaded manner, a second oil pipe body (6) is arranged on the right side of the first oil pipe body (1), a connecting socket (8) is formed in the left end of the second oil pipe body (6), a clamp (7) is fixedly mounted at the right end of the second oil pipe body (6), a liner pipe (12) is fixedly mounted at the connector of the first oil pipe body (1) and the second oil pipe body (6), artificial leather (11) is fixedly mounted inside the liner pipe (12), and a first limiting block (10, the lower extreme fixed mounting of bushing pipe (12) has second stopper (13), first spacing hole (17) have been seted up to the left end of first stopper (10), the right-hand member movable mounting of first stopper (10) has buckle (16), spacing hole of second (15) have been seted up on second stopper (13), the left end welded fastening of second stopper (13) has U type ring (14), the top fixed mounting of clamp (7) has ear (18), recess (19) have been seted up on ear (18), the inside recess (20) of seting up of right-hand member of clamp (7), interlocking hole (21) have been seted up to the upper end of clamp (7).

2. The glass fiber reinforced plastic down-hole oil pipe with the sealing ring in socket joint according to claim 1, wherein: the fixing nut (5) is fixed with the inside of the connecting bell mouth (8) through a threaded connector (9) in a threaded connection mode, and the first oil pipe body (1) is connected with the second oil pipe body (6) through a connecting spigot (3) and the connecting bell mouth (8) in a socket and spigot mode.

3. The glass fiber reinforced plastic down-hole oil pipe with the sealing ring in socket joint according to claim 1, wherein: the first limiting blocks (10) and the second limiting blocks (13) are all provided with three groups, and the first limiting blocks (10) of each group are connected with the second limiting blocks (13) of each group through buckles (16).

4. The glass fiber reinforced plastic down-hole oil pipe with the sealing ring in socket joint according to claim 1, wherein: the clamping band (7) can adjust the diameter of the inner ring through adjusting the interlocking hole (21).

5. The glass fiber reinforced plastic down-hole oil pipe with the sealing ring in socket joint according to claim 1, wherein: and sockets of the first oil pipe body (1) and the second oil pipe body (6) are arranged in the liner pipe (12).