CN211623344U

CN211623344U - Electroplating anti-corrosion oil casing suitable for carbon dioxide oil displacement process

Info

Publication number: CN211623344U
Application number: CN202021835450.XU
Authority: CN
Inventors: 王磊; 康寿惠; 蒲朋磊; 王宗祥
Original assignee: Shandong Sonic Petroleum Industry Technology Research Institute Co Ltd; Shandong Yongli Jinggong Petroleum Equipment Co ltd
Current assignee: Shandong Sonic Petroleum Industry Technology Research Institute Co Ltd; Shandong Yongli Jinggong Petroleum Equipment Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-10-02
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses an electroplating anti-corrosion oil casing pipe suitable for carbon dioxide displacement of reservoir oil technology, its technical scheme is: including body one and body two, body one and two outside fixed mounting anticorrosive coatings of body, anticorrosive coatings outside fixed mounting outer wall plating layer, body one and two inboard fixed mounting inner wall plating layers of body, body one right-hand member fixed mounting joint one, the inboard fixed mounting lug one of joint, two left-hand member fixed mounting joint two, the recess one is established to the two outsides of joint, lug cooperation is installed a recess one is inboard, joint one with two junctions fixed mounting spacers of joint, the through-hole has been seted up on the spacer, the through-hole internal fixation mounting bolt, the beneficial effects of the utility model are that: the pipeline and the joint are provided with the anticorrosive coating and the electroplated coating, so that the pipeline is prevented from being corroded.

Description

Electroplating anti-corrosion oil casing suitable for carbon dioxide oil displacement process

Technical Field

The utility model relates to a petroleum pipeline field, in particular to electroplating anticorrosive oil casing pipe suitable for carbon dioxide displacement of reservoir oil technology.

Background

The pipeline is a device for conveying gas, liquid or fluid with solid particles, the pipeline can bear a plurality of external forces, including self weight, thrust of the fluid pressure acting on the pipe end, wind and snow load, soil pressure, thermal stress caused by thermal expansion and cold contraction, vibration load, earthquake disaster and the like, in order to ensure the strength and rigidity of the pipeline, various supports such as a movable support, a fixed support, a guide support, a spring support and the like must be arranged, the arrangement of the supports is determined according to the conditions of the diameter, the material, the wall thickness of the pipe, the load and the like of the pipeline, the fixed support is used for controlling the thermal elongation of the pipeline in sections to ensure that an expansion joint works uniformly, the guide support enables the pipe to move only in the axial direction, in order to improve the oil extraction under the condition that the oil extraction of the oil field declines year by year, a carbon dioxide oil displacement process is adopted at present to achieve the purpose of high and stable yield of the oil field, and higher requirements are, stainless steel pipelines are adopted in the United states and Australia, and are also adopted in China mostly, and some pipelines are also adopted to be coated with an asphalt layer.

The prior art has the following defects: the existing carbon dioxide flooding process pipeline is seriously corroded due to long-term use, and particularly the corrosion phenomenon at the joint of an oil casing is more obvious.

Therefore, the invention is necessary to invent the electroplating anti-corrosion oil casing pipe suitable for the carbon dioxide oil displacement process.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an electroplating anti-corrosion oil casing pipe suitable for carbon dioxide displacement of reservoir oil technology sets up anticorrosive coating and plating layer through pipeline and the junction to the oil casing pipe to solve the easy problem of corroding of oil casing pipe's pipeline.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an electroplate anticorrosive oil sleeve pipe suitable for carbon dioxide displacement of reservoir oil technology, includes body one and body two, body one and two outside fixed mounting anticorrosive coatings of body, anticorrosive coating outside fixed mounting outer wall plating layer, body one and two inboard fixed mounting inner wall plating layers of body, body one right end fixed mounting connects first, the inboard fixed mounting lug of joint one, the fixed mounting joint two of body two left ends, the recess one is established to the two outside outsides of joint, the cooperation of lug is installed the recess one is inboard, joint one with joint two junction fixed mounting spacer, the through-hole has been seted up on the spacer, the fixed mounting bolt in the through-hole.

Preferably, a rubber gasket is fixedly installed at the joint of the first joint and the second joint, and the outer walls of the first joint and the second joint are coated with anticorrosive layers.

Preferably, the inner sides of the first pipe body and the second pipe body are arc-shaped, and the inner wall electroplated layer is arc-shaped.

Preferably, the positioning sheet is annular, and four through holes are uniformly formed in the positioning sheet.

Preferably, the inner wall of the right end of the first pipe body is in threaded connection with the first connector, and the inner wall of the left end of the second pipe body is in threaded connection with the second connector.

Preferably, a second projection is fixedly installed on the inner side of the first connector, a second groove is formed in the outer side of the second connector, and the second projection is installed on the inner side of the second groove in a matched mode.

The utility model has the advantages that:

the first pipe body and the second pipe body are fixedly provided with an anticorrosive layer, the anticorrosive layer has an anticorrosive effect on the first pipe body and the second pipe body, the outer wall electroplated layer is fixedly arranged on the outer side of the anticorrosive layer, the inner wall electroplated layer is fixedly arranged on the inner side of the first pipe body and the inner wall electroplated layer, the outer wall electroplated layer and the inner wall electroplated layer have an anticorrosive effect, the first pipe body right end is fixedly provided with the first connector, the first connector has an effect of connecting the first pipe body, the first connector is fixedly arranged on the inner side of the first connector, the second pipe body left end is fixedly provided with the second connector, the second connector has an effect of connecting the second pipe body, the first connector is provided with a first groove, the first protrusion and the first groove have effects of fixing the first connector and the second connector, the first connector and the second connector are fixedly provided with positioning pieces, the bolts are fixedly arranged in through holes, the positioning pieces and the bolts have effects of fixing the first connector and the second connector, the rubber.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a first drawing of the connection structure of the present invention;

FIG. 3 is a front view of the electroplated corrosion-resistant pipe of the present invention;

FIG. 4 is a right side view of the joint of the present invention;

fig. 5 is a second connection structure diagram of the present invention.

In the figure: the anti-corrosion pipe comprises a first pipe body 1, an anti-corrosion layer 11, an outer wall electroplated layer 12, an inner wall electroplated layer 13, a first joint 14, a first projection 141, a second projection 142, a positioning piece 15, a bolt 151, a 152 through hole, a rubber gasket 16, a second pipe body 2, a second joint 21, a first groove 211 and a second groove 212.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

referring to fig. 1 to 4, the electroplating corrosion-resistant oil casing suitable for the carbon dioxide flooding process of the embodiment includes a first pipe body 1, a first joint 14, a second pipe body 2 and a second joint 21;

further, an anticorrosive coating 11 is fixedly arranged on the outer sides of the first pipe body 1 and the second pipe body 2, an outer wall electroplated coating 12 is fixedly arranged on the outer side of the anticorrosive coating 11, an inner wall electroplated coating 13 is fixedly arranged on the inner sides of the first pipe body 1 and the second pipe body 2, a first joint 14 is fixedly arranged on the right end of the first pipe body 1, a first projection 141 is fixedly arranged on the inner side of the first joint 14, a second joint 21 is fixedly arranged on the left end of the second pipe body 2, a first groove 211 is formed on the outer side of the second joint 21, the first projection 141 is arranged on the inner side of the first groove 211 in a matching manner, a positioning piece 15 is fixedly arranged at the joint of the first joint 14 and the second joint 21, a through hole 152 is formed in the positioning piece 15, a bolt 151 is fixedly arranged in the through hole 152, the anticorrosive coating 11 is arranged to be a coal tar enamel anticorrosive coating, the anticorrosive coating 11 has an anticorrosive effect on the first pipe, the outer wall electroplated layer 12 and the inner wall electroplated layer 13 have an anticorrosion function, the first joint 14 has a function of connecting the first pipe body 1, the second joint 21 has a function of connecting the second pipe body 2, the first bump 141 and the first groove 211 have functions of fixing the first joint 14 and the second joint 21, and the positioning piece 15 and the bolt 151 have functions of fixing the first joint 14 and the second joint 21;

further, a rubber gasket 16 is fixedly installed at the joint of the first joint 14 and the second joint 21, an anti-corrosion layer is coated on the outer wall of the first joint 14 and the outer wall of the second joint 21, and the rubber gasket 16 has a sealing effect on the joint of the first joint 14 and the second joint 21;

further, the inner sides of the first pipe body 1 and the second pipe body 2 are arranged to be circular arc-shaped, the inner wall electroplated layer 13 is arranged to be circular arc-shaped, and the inner sides of the first pipe body 1 and the second pipe body 2 are arranged to be circular arc-shaped, so that oil can flow conveniently;

furthermore, the positioning sheet 15 is arranged in a ring shape, four through holes 152 are uniformly formed in the positioning sheet 15, and the positioning sheet 15 has the function of fixing the first connector 14 and the second connector 21;

furthermore, the inner wall of the right end of the first pipe body 1 is in threaded connection with the first connector 14, the inner wall of the left end of the second pipe body 2 is in threaded connection with the second connector 21, and the first pipe body 1 and the first connector 14 are mounted more closely by threaded connection, so that the second pipe body 2 and the second connector 21 are mounted more closely.

The utility model discloses a use as follows: when the utility model is used, the outer side of the first pipe body 1 and the outer side of the second pipe body 2 are fixedly provided with the anticorrosive coating 11, the anticorrosive coating 11 has the anticorrosive function to the first pipe body 1 and the second pipe body 2, the outer side of the anticorrosive coating 11 is fixedly provided with the outer wall electroplated coating 12, the inner side of the first pipe body 1 and the second pipe body 2 is fixedly provided with the inner wall electroplated coating 13, the outer wall electroplated coating 12 and the inner wall electroplated coating 13 have the anticorrosive function, the right end of the first pipe body 1 is fixedly provided with the first connector 14, the first connector 14 has the function of connecting the first pipe body 1, the inner side of the first connector 14 is fixedly provided with the first bump 141, the left end of the second pipe body 2 is fixedly provided with the second connector 21, the second connector 21 has the function of connecting the second pipe body 2, the outer side of the second connector 21 is provided with the first groove 211, the first bump 141 and the first groove 211 have the functions of fixing the first connector 14 and, the positioning piece 15 is provided with a through hole 152, the bolt 151 is fixedly installed in the through hole 152, the positioning piece 15 and the bolt 151 have the functions of fixing the first connector 14 and the second connector 21, the rubber gasket 16 is fixedly installed at the joint of the first connector 14 and the second connector 21, the outer walls of the first connector 14 and the second connector 21 are coated with an anticorrosive layer, the rubber gasket 16 has a sealing function on the joint of the first connector 14 and the second connector 21, the inner sides of the first pipe body 1 and the second pipe body 2 are set to be in a circular arc shape so as to facilitate the flowing of oil, the inner wall of the right end of the first pipe body 1 is in threaded connection with the first connector 14, the first pipe body 1 and the first connector 14 are installed in a more fit manner through threaded connection, the second pipe body 2 and the second connector 21 are.

Example 2:

referring to fig. 5, the electroplating corrosion-resistant oil casing suitable for the carbon dioxide flooding process of the embodiment includes a first pipe body 1, a first joint 14, a second pipe body 2 and a second joint 21;

the difference from embodiment 1 is that the second projection 142 is fixedly installed inside the first joint 14, the second groove 212 is opened outside the second joint 21, and the second projection 142 is installed inside the second groove 212 in a matching manner.

The utility model discloses a use as follows: when the utility model is used, the second lug 142 is fixedly arranged on the inner side of the first joint 14, the second groove 212 is arranged on the outer side of the second joint 21, the second lug 142 is arranged on the inner side of the second groove 212 in a matching way, and the second lug 142 and the second groove 212 have a fixing function on the first joint 14 and the second joint 21.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides an electroplating anti-corrosion oil casing pipe suitable for carbon dioxide displacement of reservoir oil technology, includes body one (1) and body two (2), its characterized in that: the anti-corrosion pipe is characterized in that an anti-corrosion layer (11) is fixedly mounted on the outer side of the first pipe body (1) and the outer side of the second pipe body (2), an outer wall electroplated layer (12) is fixedly mounted on the outer side of the anti-corrosion layer (11), an inner wall electroplated layer (13) is fixedly mounted on the inner side of the first pipe body (1), a first projection (141) is fixedly mounted on the inner side of the first connector (14), a second connector (21) is fixedly mounted on the left end of the second pipe body (2), a first groove (211) is formed in the outer side of the second connector (21), the first projection (141) is mounted on the inner side of the first groove (211) in a matching mode, the first connector (14) and a positioning piece (15) fixedly mounted at the joint of the second connector (21) are formed in the positioning piece (15), a through hole (152) is formed in the positioning piece (15), and a bolt.

2. The electroplating corrosion-resistant oil casing pipe suitable for the carbon dioxide flooding process according to claim 1, is characterized in that: and a rubber gasket (16) is fixedly arranged at the joint of the first joint (14) and the second joint (21), and the outer walls of the first joint (14) and the second joint (21) are coated with an anticorrosive layer.

3. The electroplating corrosion-resistant oil casing pipe suitable for the carbon dioxide flooding process according to claim 1, is characterized in that: the inner sides of the first pipe body (1) and the second pipe body (2) are arc-shaped, and the inner wall electroplated layer (13) is arc-shaped.

4. The electroplating corrosion-resistant oil casing pipe suitable for the carbon dioxide flooding process according to claim 1, is characterized in that: the locating plate (15) is arranged to be circular, and four through holes (152) are uniformly formed in the locating plate (15).

5. The electroplating corrosion-resistant oil casing pipe suitable for the carbon dioxide flooding process according to claim 1, is characterized in that: the inner wall of the right end of the first pipe body (1) is in threaded connection with the first connector (14), and the inner wall of the left end of the second pipe body (2) is in threaded connection with the second connector (21).

6. The electroplating corrosion-resistant oil casing pipe suitable for the carbon dioxide flooding process according to claim 1, is characterized in that: a second projection (142) is fixedly mounted on the inner side of the first joint (14), a second groove (212) is formed in the outer side of the second joint (21), and the second projection (142) is mounted on the inner side of the second groove (212) in a matched mode.