CN214697732U - Pipe body centralizer for oil extraction - Google Patents

Pipe body centralizer for oil extraction Download PDF

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Publication number
CN214697732U
CN214697732U CN202120990585.1U CN202120990585U CN214697732U CN 214697732 U CN214697732 U CN 214697732U CN 202120990585 U CN202120990585 U CN 202120990585U CN 214697732 U CN214697732 U CN 214697732U
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CN
China
Prior art keywords
oil production
production pipe
pipe
sleeve
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120990585.1U
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Chinese (zh)
Inventor
刘同帅
于茜
王海龙
李传猛
杨斌
王宏海
王振科
祝令濮
张淑霞
于吉青
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Individual
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Individual
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Priority to CN202120990585.1U priority Critical patent/CN214697732U/en
Application granted granted Critical
Publication of CN214697732U publication Critical patent/CN214697732U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a body centralizer for oil recovery, including sleeve pipe, right sleeve pipe, oil production pipe one and oil production pipe two, sliding connection sleeve pipe on oil production pipe one and oil production pipe two, the sleeve pipe is the round platform structure, right the inside circular through-hole two and two circular slots one of having seted up of sleeve pipe, oil production pipe one and oil production pipe cup joint in righting sheathed tube circular through-hole two, the sleeve pipe is through connection structure one and connection structure two connection right the sleeve pipe, connection structure one and connection structure two are connected through the bolt. The utility model discloses utilize the bolt to connect fixed plate one and fixed plate two and be in the same place again, utilize connection structure one and connection structure two with oil production pipe one, oil production pipe two and right sleeve pipe fixed connection, be convenient for right sleeve pipe and oil production pipe firm in connection, the utility model discloses the tip at fixed block both ends is favorable to breaking the earth wall around, and the pivoted gyro wheel reduces the resistance in the downward transportation process, makes oil production pipe carry the convenience that becomes downwards.

Description

Pipe body centralizer for oil extraction
Technical Field
The utility model belongs to the technical field of the oil recovery and specifically relates to a body centralizer is used in oil recovery.
Background
The centralizer is a device which is arranged on a casing and enables the casing to be centered in a borehole, and the centralizer is required to be arranged between two pipe bodies for oil extraction.
Traditional centralizer resistance is very big when transferring, and this makes the body transfer become difficult, and firm in connection will be connected between centralizer and the body in addition, otherwise can be transferred at the body and drop because of linking insecure. Therefore, a pipe centralizer for oil production is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connection and the problem of carrying that body centralizer for oil recovery was used for solving prior art in this embodiment.
According to the utility model discloses an aspect provides a body centralizer for oil recovery, including the sleeve pipe, right sleeve pipe, oil production pipe one and oil production pipe two, sliding connection sleeve pipe on oil production pipe one and the oil production pipe two, the sleeve pipe is the round platform structure, right the inside circular through-hole two and two circular slots one of having seted up of sleeve pipe, oil production pipe one and oil production pipe cup joint in righting sheathed tube circular through-hole two, the sleeve pipe is connected through connection structure one and connection structure two and is right the sleeve pipe, connection structure one and connection structure two are connected through the bolt, right sheathed tube lateral wall equidistance fixed connection a plurality of fixed block, the equidistance sets up a plurality of roll structure between the fixed block.
Furthermore, the first connecting structure comprises a first fixing plate, a second threaded hole and a first fixing sleeve, the first fixing sleeve is fixedly connected to the first oil production pipe and the second oil production pipe, the outer side wall of the first fixing sleeve is fixedly connected with the first fixing plate, external threads are arranged on the first fixing sleeve, and the first fixing plate is provided with the second threaded hole.
Furthermore, the second connecting structure comprises a second fixing plate, a second circular groove and a third threaded hole, the second fixing plate is fixedly connected to the side wall of the first circular groove of the centering sleeve, the second fixing plate is provided with the second circular groove and the third threaded hole, and the second circular groove is arranged above the third threaded hole.
Further, the bolt is in threaded connection in the second threaded hole and the third threaded hole.
Furthermore, a first threaded hole and a first circular through hole are formed in the sleeve, and an internal thread arranged on the first threaded hole is matched with an external thread arranged on the fixing sleeve.
Further, the rolling structure comprises a fixing rod and a roller, two ends of the fixing rod are fixedly connected to the fixing block, and the roller is rotatably connected to the fixing rod.
Furthermore, two ends of the fixing block are arranged in a pointed shape.
Through the above embodiment of the utility model, adopted connection structure one, connection structure two, fixed block and rolling structure, solved the problem of the connection of centralizer and transport, gained firm in connection and reduced and carried the resistance effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the drawings without inventive exercise.
Fig. 1 is a schematic overall three-dimensional structure of an embodiment of the present invention;
fig. 2 is a schematic view of the overall internal structure of an embodiment of the present invention;
fig. 3 is a schematic top view of a centralizing sleeve according to an embodiment of the present invention;
fig. 4 is a schematic top view of a connection structure according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a connection structure according to an embodiment of the present invention;
fig. 6 is a schematic view of a three-dimensional structure of a bushing according to an embodiment of the present invention.
In the figure: 1. the sleeve pipe, 101, screw hole one, 102, circular through-hole one, 2, right the sleeve pipe, 201, circular slot one, 202, circular through-hole two, 3, fixed block, 4, rolling structure, 401, dead lever, 402, gyro wheel, 5, oil production pipe one, 6, oil production pipe two, 7, connection structure one, 701, fixed plate one, 702, screw hole two, 703, fixed sleeve pipe, 8, bolt, 9, connection structure two, 901, fixed plate two, 902, circular slot two, 903, screw hole three.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The centralizer in this embodiment may be suitable for a production string, for example, the following production string is provided in this embodiment, and the centralizer in this embodiment may be suitable for a production string as follows.
The oil production pipe comprises an oil production pipe main body, a stirring chamber, a first oil pumping pipe and a second oil pumping pipe, wherein an oil well pump is installed at the top of the oil production pipe main body, a motor is installed in the middle of the oil production pipe main body, the first oil pumping pipe and the second oil pumping pipe are sleeved in the oil production pipe main body, the top end of the first oil pumping pipe is communicated with the oil well pump, the bottom end of the first oil pumping pipe is in threaded connection with the top end of the stirring chamber, supporting frames are arranged at the top and the bottom of the stirring chamber, bearings are installed in the middle of the two supporting frames, the middle parts of the two bearings are respectively in rotating connection with the two ends of a stirring shaft, the bottom of the stirring shaft is fixedly connected with the middle parts of stirring blades, the middle part of the stirring shaft is fixedly connected with the middle part of a second bevel gear, the second bevel gear is in meshing connection with a first bevel gear, and the middle part of the first bevel gear is fixedly connected with one end of a driving shaft, the other end of drive shaft passes the inner wall of teeter chamber and the output fixed connection of motor, the drive shaft passes the inner wall department of teeter chamber and is connected with the connecting bearing rotation, one side fixed connection of connecting bearing and teeter chamber, the bottom of teeter chamber and the top threaded connection of second oil extraction pipe, the avris of second oil extraction pipe bottom and the bottom threaded connection of oil production pipe main part, the bottom in the second oil extraction pipe is equipped with ring baffle, ring baffle's inboard and the bottom fixed connection who strains a section of thick bamboo, the avris of straining a section of thick bamboo evenly is equipped with a plurality of annular archs, oil-well pump and motor all with external power source electric connection.
And the middle part of the first oil pumping pipe and the middle part of the second oil pumping pipe are fixedly connected with the inner wall of the oil production pipe main body through the centering block.
And the surfaces of the oil production pipe main body, the stirring chamber, the first oil extraction pipe and the second oil extraction pipe are coated with antirust paint.
And sealing rings are arranged on the sides of the two ends of the first oil pumping pipe, the sides of the two ends of the second oil pumping pipe and the sides of the connecting bearings.
Of course, the present embodiment can be used for oil production strings of other structures. The description is omitted here, and the centralizer of the embodiment of the utility model is introduced below.
Referring to fig. 1-6, a tubing centralizer for oil extraction comprises a casing 1, a centralizing casing 2, an oil production pipe one 5 and an oil production pipe two 6, wherein the oil production pipe one 5 and the oil production pipe two 6 are slidably connected with the casing 1, the casing 1 is in a circular truncated cone structure, a circular through hole two 202 and two circular grooves one 201 are formed in the centralizing casing 2, the oil production pipe one 5 and the oil production pipe two 6 are sleeved in the circular through hole two 202 of the centralizing casing 2, the casing 1 is connected with the centralizing casing 2 through a connecting structure one 7 and a connecting structure two 9, the connecting structure one 7 and the connecting structure two 9 are connected through bolts 8, the outer side wall of the centralizing casing 2 is fixedly connected with a plurality of fixed blocks 3 at equal intervals, and a plurality of rolling structures 4 are arranged between the fixed blocks 3.
The first oil production pipe 5, the second oil production pipe 6 and the centralizing casing 2 are fixedly connected through the first connecting structure 7 and the second connecting structure 9, the centralizing casing 2 is convenient to mount and dismount, the tips at two ends of the fixing block 3 are used for breaking the surrounding soil wall, the resistance in the downward conveying process is reduced through the rolling structure 4, and the downward conveying of the oil production pipes is convenient.
The first connecting structure 7 comprises a first fixing plate 701, a second threaded hole 702 and a fixing sleeve 703, the fixing sleeve 703 is fixedly connected to a first oil production pipe 5 and a second oil production pipe 6, the outer side wall of the fixing sleeve 703 is fixedly connected with the first fixing plate 701, an external thread is arranged on the fixing sleeve 703, the first fixing plate 701 is provided with the second threaded hole 702, and the second threaded hole 702 is matched with the bolt 8.
The second connecting structure 9 comprises a second fixing plate 901, a second circular groove 902 and a third threaded hole 903, the second fixing plate 901 is fixedly connected to the side wall of the first circular groove 201 of the centralizing sleeve 2, the second fixing plate 901 is provided with a second circular groove 902 and a third threaded hole 903, the second circular groove 902 is arranged above the third threaded hole 903, and the third threaded hole 903, the second circular groove 902 and the bolt 8 are matched with each other.
And the bolt 8 is screwed in the second threaded hole 702 and the third threaded hole 903, and the first fixing plate 701 and the second fixing plate 901 are connected together by the bolt 8.
A first threaded hole 101 and a first circular through hole 102 are formed in the sleeve 1, internal threads arranged on the first threaded hole 101 and external threads arranged on the fixed sleeve 703 are matched with each other, the sleeve 1 is screwed, and the sleeve 1 can be connected to the fixed sleeve 703 in a threaded mode.
The rolling structure 4 comprises a fixing rod 401 and a roller 402, two ends of the fixing rod 401 are fixedly connected to the fixing block 3, the fixing rod 401 is rotatably connected with the roller 402, and resistance of the straightening sleeve 2 in the downward conveying process is reduced by the aid of the rotating roller 402.
The two ends of the fixing block 3 are arranged to be in a pointed shape, and the pointed ends at the two ends of the fixing block 3 are beneficial to breaking the surrounding soil wall.
When the utility model is used, the first connecting structure 7 is arranged on the sleeve 1, the connecting structure is arranged on the righting sleeve 2, when the centralizer is installed, the first oil production pipe 5 and the second oil production pipe 6 are sleeved into the second circular through hole 202 of the righting sleeve 2, the first fixing plate 701 extends into the first circular groove 201, the first oil production pipe 5 and the second oil production pipe 6 are rotated, the first fixing plate 701 is rotated below the second fixing plate 901, the second screw hole 702 and the third screw hole 903 are corresponding to each other, the bolt 8 is screwed into the second screw hole 702 and the third screw hole 903, the first fixing plate 701 and the second fixing plate 901 are connected together by the bolt 8, then the sleeve 1 is screwed, the sleeve 1 is connected with the fixing sleeve in a threaded manner, the sleeve 1 is shielded at the two ends of the righting sleeve 2, when the oil production pipe is conveyed downwards, the tips at the two ends of the fixing block 3 fixedly connected with the sleeve 2 are righting, and the surrounding soil wall can be broken, the roller 402 rotatably connected to the fixing rod 401 rotates in the downward conveying process, and the resistance in the downward conveying process is reduced by the aid of the rotating roller 402, so that the downward conveying of the oil production pipe is facilitated.
The utility model discloses an useful part lies in:
1. the utility model discloses rational in infrastructure, rotate oil production pipe one and oil production pipe two, make fixed plate one rotate the below of fixed plate two, make screw hole two and screw hole three-phase correspond each other, twist screw hole two and screw hole three with the bolt in, utilize the bolt to connect fixed plate one and fixed plate two and be in the same place again, utilize connection structure one and connection structure two with oil production pipe one, oil production pipe two and right sleeve pipe fixed connection, be convenient for right sleeve pipe and oil production pipe firm in connection.
2. The utility model discloses rational in infrastructure, during the downdraft oil production pipe, the tip at fixed block both ends is favorable to breaking the soil wall around, rotates the gyro wheel of connection on the dead lever and rotates at the in-process of downdraft, utilizes the pivoted gyro wheel to reduce the resistance in the downdraft transportation process, makes the convenience that oil production pipe downdraft changed.
The modules referred to are prior art and are fully implemented by those skilled in the art without further elaboration, and the invention also does not relate to improvements in software and methods.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (7)

1. The utility model provides a body centralizer for oil recovery which characterized in that: comprises a casing (1), a centralizing casing (2), a first oil production pipe (5) and a second oil production pipe (6), the first oil production pipe (5) and the second oil production pipe (6) are connected with the casing (1) in a sliding way, the sleeve (1) is in a round table structure, a round through hole II (202) and two round grooves I (201) are arranged in the righting sleeve (2), the oil production pipe I (5) and the oil production pipe II (6) are sleeved in the circular through hole II (202) of the centralizing sleeve (2), the casing (1) is connected with the righting casing (2) through a first connecting structure (7) and a second connecting structure (9), the first connecting structure (7) and the second connecting structure (9) are connected through a bolt (8), the outer side wall of the centralizing sleeve (2) is fixedly connected with a plurality of fixed blocks (3) at equal intervals, and a plurality of rolling structures (4) are arranged between the fixed blocks (3) at equal intervals.
2. The tubular body centralizer for oil recovery of claim 1, wherein: the first connecting structure (7) comprises a first fixing plate (701), a second threaded hole (702) and a first fixing sleeve (703), the first fixing sleeve (703) is fixedly connected to the first oil production pipe (5) and the second oil production pipe (6), the outer side wall of the first fixing sleeve (703) is fixedly connected with the first fixing plate (701), an external thread is arranged on the first fixing sleeve (703), and the first fixing plate (701) is provided with the second threaded hole (702).
3. The tubular body centralizer for oil recovery of claim 1, wherein: the second connecting structure (9) comprises a second fixing plate (901), a second circular groove (902) and a third threaded hole (903), the second fixing plate (901) is fixedly connected to the side wall of the first circular groove (201) of the righting sleeve (2), the second circular groove (902) and the third threaded hole (903) are formed in the second fixing plate (901), and the second circular groove (902) is arranged above the third threaded hole (903).
4. The tubular body centralizer for oil recovery of claim 1, wherein: and the bolt (8) is in threaded connection with the second threaded hole (702) and the third threaded hole (903).
5. The tubular body centralizer for oil recovery of claim 1, wherein: a first threaded hole (101) and a first circular through hole (102) are formed in the sleeve (1), and internal threads arranged on the first threaded hole (101) are matched with external threads arranged on the fixing sleeve (703).
6. The tubular body centralizer for oil recovery of claim 1, wherein: the rolling structure (4) comprises a fixing rod (401) and a roller (402), two ends of the fixing rod (401) are fixedly connected to the fixing block (3), and the fixing rod (401) is rotatably connected with the roller (402).
7. The tubular body centralizer for oil recovery of claim 1, wherein: the two ends of the fixing block (3) are arranged to be in a pointed shape.
CN202120990585.1U 2021-05-08 2021-05-08 Pipe body centralizer for oil extraction Expired - Fee Related CN214697732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120990585.1U CN214697732U (en) 2021-05-08 2021-05-08 Pipe body centralizer for oil extraction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120990585.1U CN214697732U (en) 2021-05-08 2021-05-08 Pipe body centralizer for oil extraction

Publications (1)

Publication Number Publication Date
CN214697732U true CN214697732U (en) 2021-11-12

Family

ID=78551616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120990585.1U Expired - Fee Related CN214697732U (en) 2021-05-08 2021-05-08 Pipe body centralizer for oil extraction

Country Status (1)

Country Link
CN (1) CN214697732U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20211112