CN220667469U - Thickened oil horizontal well tubular column device - Google Patents
Thickened oil horizontal well tubular column device Download PDFInfo
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- CN220667469U CN220667469U CN202321530253.0U CN202321530253U CN220667469U CN 220667469 U CN220667469 U CN 220667469U CN 202321530253 U CN202321530253 U CN 202321530253U CN 220667469 U CN220667469 U CN 220667469U
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- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 19
- 239000004576 sand Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of oilfield exploitation, in particular to a thick oil horizontal well tubular column device, which comprises a well body, wherein a first oil pipe is arranged in a vertical section of an outer tubular column, a second oil pipe is arranged in a horizontal end of the outer tubular column, a first steam injection hole is formed in a side wall of one end of the second oil pipe, which is close to the first oil pipe, a second steam injection hole is formed in a side wall of one end, which is far away from the first oil pipe, of the second oil pipe, a third steam injection hole is formed in one end, which is far away from the first oil pipe, and a first channel is formed in the first oil pipe and the second oil pipe; the outer pipe column is conveniently taken out of the well body.
Description
Technical Field
The utility model relates to the technical field of oilfield exploitation, in particular to a thick oil horizontal well tubular column device.
Background
In the oil extraction process of the thick oil field, the adopted steam injection technology mainly comprises the following steps: concentric double-pipe steam injection, parallel double-pipe steam injection and the like, wherein the steam injection pipe column technology is essentially universal steam injection; because the horizontal well section is about 300m generally and the physical property difference exists in the horizontal well section, the phenomenon of uneven steam absorption and uneven utilization of the horizontal well section is easy to occur in the general steam injection, and the final recovery ratio is influenced; the existing tubular column in the well can not be pulled out in the later operation, and because the upper end of the tubular column can have sand and other sundries, the phenomenon of sand blocking easily occurs, so that the tubular column can not be pulled out.
The prior art has the following problems:
1. the existing horizontal well pipe column device is easy to generate the phenomena of uneven steam absorption and uneven utilization of a horizontal well section during steam injection so as to influence the final recovery ratio;
2. the existing pipe column is pulled out through pulling out or thinning the pipe wall, sand blocking phenomenon needs to be washed out in advance, then the pipe column is pulled out after the fishing tool is abutted, and therefore the pipe column is troublesome and difficult to operate.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a thickened oil horizontal well string device, which solves the problems that the existing horizontal well string device is easy to produce uneven steam suction and uneven movement of a horizontal well section when steam injection is carried out so as to influence the final recovery ratio; the existing pipe column is pulled out through pulling out or thinning the pipe wall, sand blocking phenomenon needs to be washed out in advance, then the pipe column is pulled out after the fishing tool is abutted, and the problems of troublesome operation and difficult operation are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the thick oil horizontal well tubular column device comprises a well body, an outer tubular column is arranged in the well body, a first oil pipe is arranged in a vertical section of the outer tubular column, a second oil pipe is arranged in a horizontal end of the outer tubular column, a first steam injection hole is formed in a side wall of one end of the second oil pipe, which is close to the first oil pipe, a second steam injection hole is formed in a side wall of one end, which is far away from the first oil pipe, of the second oil pipe, a third steam injection hole is formed in one end, which is far away from the first oil pipe, a first channel is formed in the first oil pipe and the second oil pipe, a second channel is formed between the first oil pipe and the inner wall of the outer tubular column, a third channel is formed between the outer tubular column and the inner wall of the well body, a first packer is arranged between the second oil pipe and the inner wall of the outer tubular column, a second packer is arranged between the horizontal section of the outer tubular column and the inner wall of the well body, the outer wall of the vertical section of the outer column is provided with a left half shell, the other side of the outer wall of the vertical section of the outer column is provided with a right half shell, the inner sides of the upper ends of the left half shell and the right half shell are provided with clamping blocks, the inner sides of the upper ends of the right half shells are provided with first threaded holes, the outer wall of the lower end of the vertical section of the outer column is provided with a bottom outer tube, the inner side of the bottom outer tube is provided with second threaded holes, the first threaded holes are provided with screw rods, the second threaded holes are provided with screw rods, the top of the screw rods is provided with clamping sleeves, the outer wall of the upper end of the vertical section of the outer column is provided with a sealing ring, the outer side of the sealing ring is provided with a first arc plate, the inner side of the upper end of the right half shell is provided with a half ring plate, the inner side of the upper end of the first arc plate is provided with bolts, the second arc plate is internally provided with bolts, bolts are arranged in the semi-annular plates.
As a preferable technical scheme of the utility model, an outer pipe column is movably connected in the well body, the outer pipe column is L-shaped, a first oil pipe is fixedly connected in the vertical section of the outer pipe column, a second oil pipe is fixedly connected in the horizontal end of the outer pipe column, a first steam injection hole is formed in the side wall of one end, close to the first oil pipe, of the second oil pipe, a second steam injection hole is formed in the side wall of one end, far away from the first oil pipe, of the second oil pipe, a third steam injection hole is formed in one end, far away from the first oil pipe, of the second oil pipe, and a plurality of groups of the first steam injection holes, the second steam injection holes and the third steam injection holes are formed.
As a preferable technical scheme of the utility model, a first channel is formed in the first oil pipe and the second oil pipe, a second channel is formed between the first oil pipe and the second oil pipe and the inner wall of the outer pipe column, a third channel is formed between the outer pipe column and the inner wall of the well body, a first packer is fixedly connected between the second oil pipe and the inner wall of the outer pipe column, two groups of first packers are arranged, a second packer is fixedly connected between the horizontal section of the outer pipe column and the inner wall of the well body, and four groups of second packers are arranged.
As a preferable technical scheme of the utility model, one side of the outer wall of the vertical section of the outer tube column is movably connected with a left half shell, the other side of the outer wall of the vertical section of the outer tube column is movably connected with a right half shell, the inner sides of the left half shell and the right half shell are fixedly connected with clamping blocks, the clamping blocks are provided with a plurality of groups, a first threaded hole is formed in the clamping blocks in a penetrating manner, the first threaded hole is provided with a plurality of groups, the outer wall of the lower end of the vertical section of the outer tube column is fixedly connected with a bottom outer tube, a second threaded hole is formed in the bottom outer tube, and the second threaded holes are provided with two groups.
As a preferable technical scheme of the utility model, the first threaded hole is internally and in threaded connection with a screw rod, the second threaded hole is internally and in threaded connection with the screw rod, the screw rod is provided with two groups, and the top end of the screw rod is fixedly connected with a clamping sleeve.
As a preferable technical scheme of the utility model, a sealing ring is fixedly connected to the outer wall of the upper end of the vertical section of the outer pipe column, a first arc-shaped plate is movably connected to the outer side of the sealing ring, a second arc-shaped plate is movably connected to the outer side of the sealing ring, a semi-ring plate is fixedly connected to the inner side of the upper end of the left half shell, a semi-ring plate is fixedly connected to the inner side of the upper end of the right half shell, and two semi-ring plates are arranged.
As a preferable technical scheme of the utility model, the first arc-shaped plate is internally connected with bolts in a threaded manner, the second arc-shaped plate is internally connected with bolts in a threaded manner, the semi-annular plate is internally connected with bolts in a threaded manner, and the bolts are provided with a plurality of groups.
Compared with the prior art, the utility model provides a thick oil horizontal well tubular column device, which has the following beneficial effects:
1. this viscous crude horizontal well tubular column device forms the second passageway through the annular region between outer tube and first oil pipe and the second oil pipe, the region between the wall of a well of outer tubular column and the well body forms the third passageway, set up the second packer cover and establish outside the outer tubular column, separate into a plurality of first regions that are not mutually linked together with the third passageway, and set up at least one of a plurality of first regions that are not linked together with the first passageway and communicate with the first passageway, thereby separate the horizontal well section of the well body into a plurality of first regions of mutually independent, reuse first passageway and second passageway can carry out the steam injection for a plurality of first regions simultaneously, realize the segmentation steam injection, thereby improve the horizontal well section of the well body and inhale the vapour homogeneity, improve the horizontal section degree of using of the well body.
2. This viscous crude horizontal well tubular column device has the bolt through first arc internal thread connection, second arc internal thread connection has the bolt, half annular plate internal thread connection has the bolt, when the outer tubular column is taken out from the well body and appears sand card phenomenon, through unscrewing the bolt, unpacking first arc and second arc, reuse corresponding instrument is upwards detached left half shell and right half shell with the outer tubular column, take out the cutting ferrule from the lead screw after accomplishing again, unscrew the lead screw, separate left half shell and right half shell, reuse instrument is taken out left half shell and right half shell from the well body, thereby the convenience is taken out outer tubular column from the well body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the housing of the present utility model;
FIG. 3 is an exploded view of the housing structure of the present utility model;
fig. 4 is a schematic structural diagram of the fig. 3 a according to the present utility model.
In the figure: 1. a well body; 2. an outer tubular column; 3. a first oil pipe; 4. a second oil pipe; 5. a first steam injection hole; 6. a second steam injection hole; 7. a third steam injection hole; 8. a first channel; 9. a second channel; 10. a third channel; 11. a first packer; 12. a second packer; 13. a left half shell; 14. a right half shell; 15. a clamping block; 16. a first threaded hole; 17. a bottom outer tube; 18. a second threaded hole; 19. a screw rod; 20. a cutting sleeve; 21. a seal ring; 22. a first arcuate plate; 23. a second arcuate plate; 24. a semi-annular plate; 25. and (5) a bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in the present embodiment: the thick oil horizontal well tubular column device comprises a well body 1, an outer tubular column 2 is arranged in the well body 1, a first oil pipe 3 is arranged in a vertical section of the outer tubular column 2, a second oil pipe 4 is arranged in a horizontal end of the outer tubular column 2, a first steam injection hole 5 is arranged on a side wall of one end, close to the first oil pipe 3, of the second oil pipe 4, a second steam injection hole 6 is arranged on a side wall of one end, far away from the first oil pipe 3, of the second oil pipe 4, a third steam injection hole 7 is arranged on one end, far away from the first oil pipe 3, of the second oil pipe 4, the third steam injection hole 7 is used for realizing the sectional steam injection, a first channel 8 is arranged in the first oil pipe 3 and the second oil pipe 4, a second channel 9 is arranged between the first oil pipe 3 and the inner wall of the second oil pipe 4 and the outer tubular column 2, a third channel 10 is arranged between the outer tubular column 2 and the inner wall of the well body 1, a first packer 11 is arranged between the second oil pipe 4 and the inner wall of the outer pipe column 2, the first packer 11 divides the second channel 9 into a plurality of mutually non-communicated areas, a second packer 12 is arranged between the horizontal section of the outer pipe column 2 and the inner wall of the well body 1, the second packer 12 divides the third channel 10 into a plurality of mutually non-communicated areas, a left half shell 13 is arranged on one side of the outer wall of the vertical section of the outer pipe column 2, a right half shell 14 is arranged on the other side of the outer wall of the vertical section of the outer pipe column 2, clamping blocks 15 are arranged on the inner sides of the left half shell 13 and the right half shell 14, a first threaded hole 16 is arranged in the clamping blocks 15, a bottom outer pipe 17 is arranged on the outer wall of the lower end of the vertical section of the outer pipe column 2, a second threaded hole 18 is arranged in the bottom outer pipe 17, a screw rod 19 is arranged in the first threaded hole 16, the screw rod 19 enables the left half shell 13 and the right half shell 14 to be fixedly connected with the bottom outer pipe 17, a screw rod 19 is arranged in the second threaded hole 18, the top of the screw rod 19 is provided with a cutting sleeve 20, the outer wall of the upper end of the vertical section of the outer pipe column 2 is provided with a sealing ring 21, the sealing ring 21 blocks sediment in the well body 1 from entering the left half shell 13 and the right half shell 14, the outer side of the sealing ring 21 is provided with a first arc plate 22, the first arc plate 22 fixedly sleeves the left half shell 13 on the outer wall of the outer pipe column 2, the outer side of the sealing ring 21 is provided with a second arc plate 23, the second arc plate 23 fixedly sleeves the right half shell 14 on the outer wall of the outer pipe column 2, the inner side of the upper end of the left half shell 13 is provided with a half ring plate 24, the inner side of the upper end of the right half shell 14 is provided with a half ring plate 24, the first arc plate 22 is internally provided with a bolt 25, and the half ring plate 24 is internally provided with a bolt 25, and the bolt 25 fixedly connects the left half shell 13 and the right half shell 14 with the half ring plate 24.
In the embodiment, an outer pipe column 2 is movably connected inside a well body 1, the outer pipe column 2 is L-shaped, a first oil pipe 3 is fixedly connected inside a vertical section of the outer pipe column 2, a second oil pipe 4 is fixedly connected inside a horizontal end of the outer pipe column 2, a first steam injection hole 5 is formed in a side wall of one end, close to the first oil pipe 3, of the second oil pipe 4, a second steam injection hole 6 is formed in a side wall of one end, far from the first oil pipe 3, of the second oil pipe 4, a third steam injection hole 7 is formed in one end, far from the first oil pipe 3, of the second oil pipe 4, and a plurality of groups of the first steam injection hole 5, the second steam injection hole 6 and the third steam injection hole 7 are formed; the first channel 8 is formed in the first oil pipe 3 and the second oil pipe 4, the second channel 9 is formed between the first oil pipe 3 and the second oil pipe 4 and the inner wall of the outer tubular column 2, the third channel 10 is formed between the outer tubular column 2 and the inner wall of the well body 1, the first packer 11 is fixedly connected between the second oil pipe 4 and the inner wall of the outer tubular column 2, the first packer 11 is provided with two groups, the second packer 12 is fixedly connected between the horizontal section of the outer tubular column 2 and the inner wall of the well body 1, the second packer 12 is provided with four groups, and the steam absorption uniformity of the horizontal section of the well body 1 is improved; the outer wall of the vertical section of the outer pipe column 2 is movably connected with a left half shell 13, the other side of the outer wall of the vertical section of the outer pipe column 2 is movably connected with a right half shell 14, the inner sides of the left half shell 13 and the right half shell 14 are fixedly connected with clamping blocks 15, the clamping blocks 15 are provided with a plurality of groups, first threaded holes 16 are formed in the clamping blocks 15 in a penetrating manner, the first threaded holes 16 are provided with a plurality of groups, the outer wall of the lower end of the vertical section of the outer pipe column 2 is fixedly connected with a bottom outer pipe 17, a second threaded hole 18 is formed in the bottom outer pipe 17, and the second threaded holes 18 are provided with two groups; the first threaded hole 16 is internally and threadedly connected with a screw rod 19, the second threaded hole 18 is internally and threadedly connected with the screw rod 19, the screw rods 19 are provided with two groups, and the top end of the screw rod 19 is fixedly connected with a clamping sleeve 20 so that the left half shell 13 and the right half shell 14 are fixedly connected with the bottom outer tube 17; the outer wall of the upper end of the vertical section of the outer pipe column 2 is fixedly connected with a sealing ring 21, the outer side of the sealing ring 21 is movably connected with a first arc-shaped plate 22, the outer side of the sealing ring 21 is movably connected with a second arc-shaped plate 23, the inner side of the upper end of the left half shell 13 is fixedly connected with a half ring plate 24, the inner side of the upper end of the right half shell 14 is fixedly connected with the half ring plate 24, the half ring plates 24 are provided with two groups, and sediment in the well body 1 is blocked from entering the left half shell 13 and the right half shell 14; the first arc 22 is connected with the bolt 25 through the internal thread, the second arc 23 is connected with the bolt 25 through the internal thread, the half ring 24 is connected with the bolt 25 through the internal thread, the bolt 25 is provided with a plurality of groups, and the left half shell 13 and the right half shell 14 are fixedly connected with the half ring 24.
The working principle and the using flow of the utility model are as follows: an operator forms a second channel 9 through an annular area between the outer tubular column 2 and the first oil pipe 3 and the second oil pipe 4, a third channel 10 is formed in an area between the outer tubular column 2 and the well wall of the well body 1, the third channel 10 is divided into a plurality of first areas which are not communicated with each other through a second packer 12 sleeved outside the outer tubular column 2, the first channel 8 is communicated with at least one of the first areas, at least one of the first areas which are not communicated with the first channel 8 is communicated with the first channel 8, thus dividing the horizontal well section of the well body 1 into a plurality of first areas which are independent from each other, and the first channel 8 and the second channel 9 can be used for simultaneously injecting steam into the first areas, realize sectioning the steam injection to improve the horizontal segment steam sucking homogeneity of well body 1, improve the horizontal segment degree of using of well body 1, when the sand card phenomenon appears when taking out outer tubular column 2 from well body 1, through unscrewing bolt 25, open first arc 22 and second arc 23, reuse corresponding instrument with outer tubular column 2 upwards disconnect left half shell 13 and right half shell 14, take out cutting ferrule 20 from lead screw 19 after accomplishing again, unscrew lead screw 19, separate left half shell 13 and right half shell 14, reuse instrument with left half shell 13 and right half shell 14 take out from well body 1, thereby conveniently take out outer tubular column 2 from well body 1.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a viscous crude horizontal well tubular column device which characterized in that: including well body (1), well body (1) inside is provided with outer tubular column (2), outer tubular column (2) vertical section inside is provided with first oil pipe (3), outer tubular column (2) horizontal end inside is provided with second oil pipe (4), second oil pipe (4) are close to and are provided with first steam injection hole (5) on first oil pipe (3) one end lateral wall, second oil pipe (4) are kept away from and are provided with second steam injection hole (6) on first oil pipe (3) one end lateral wall, second oil pipe (4) are kept away from first oil pipe (3) one end and are provided with third steam injection hole (7), first oil pipe (3) and second oil pipe (4) inside are provided with first passageway (8), be provided with second passageway (9) between first oil pipe (3) and second oil pipe (4) and outer tubular column (2) inner wall, be provided with third passageway (10) between outer tubular column (2) and well body (1) inner wall, be provided with between second oil pipe (4) and outer tubular column (2) inner wall, outer tubular column (1) vertical section (12) are provided with outer tubular column (1), the novel outer tube structure comprises an outer tube column (2), a right half shell (14) is arranged on the other side of the outer wall of the vertical section of the outer tube column (2), a clamping block (15) is arranged on the inner side of the outer wall of the upper end of the vertical section of the outer tube column (2), a first threaded hole (16) is formed in the outer wall of the lower end of the vertical section of the outer tube column (2), a bottom outer tube (17) is arranged on the outer wall of the lower end of the vertical section of the outer tube column (2), a second threaded hole (18) is formed in the inner side of the bottom outer tube (17), a screw rod (19) is arranged in the first threaded hole (16), a screw rod (19) is arranged in the second threaded hole (18), a clamping sleeve (20) is arranged on the top end of the screw rod (19), a sealing ring (21) is arranged on the outer wall of the upper end of the vertical section of the outer tube column (2), a first arc-shaped plate (22) is arranged on the outer side of the sealing ring (21), a second arc-shaped plate (23) is arranged on the outer side of the sealing ring (21), a half-shaped plate (24), the inner side of the upper end of the outer tube column (13) is provided with a half-shaped plate (24), a half-shaped bolt (25) is arranged on the inner side of the left half-shaped bolt (25).
2. A thick oil horizontal well string assembly as claimed in claim 1, wherein: the well body (1) inside swing joint has outer tube post (2), outer tube post (2) are L shape, the inside fixedly connected with first oil pipe (3) of outer tube post (2) vertical section, the inside fixedly connected with second oil pipe (4) of outer tube post (2) horizontal end, first steam injection hole (5) have been seted up on second oil pipe (4) near first oil pipe (3) one end lateral wall, second steam injection hole (6) have been seted up on first oil pipe (3) one end lateral wall were kept away from to second oil pipe (4), third steam injection hole (7) have been seted up to second oil pipe (4) one end of keeping away from first oil pipe (3), first steam injection hole (5), second steam injection hole (6), third steam injection hole (7) are provided with a plurality of groups.
3. A thick oil horizontal well string assembly as claimed in claim 1, wherein: first oil pipe (3) and second oil pipe (4) are inside to be seted up first passageway (8), second passageway (9) have been seted up between first oil pipe (3) and second oil pipe (4) and outer column (2) inner wall, third passageway (10) have been seted up between outer column (2) and well body (1) inner wall, fixedly connected with first packer (11) between second oil pipe (4) and outer column (2) inner wall, first packer (11) are provided with two sets of, fixedly connected with second packer (12) between outer column (2) horizontal segment and well body (1) inner wall, second packer (12) are provided with four sets of.
4. A thick oil horizontal well string assembly as claimed in claim 1, wherein: the utility model discloses a vertical section of outer column (2), outer column (2) vertical section outer wall one side swing joint has left half shell (13), outer column (2) vertical section outer wall opposite side swing joint has right half shell (14), left side half shell (13) and right half shell (14) inboard fixedly connected with fixture block (15), fixture block (15) are provided with a plurality of groups, first screw hole (16) have been seted up in the inside running through of fixture block (15), first screw hole (16) are provided with a plurality of groups, fixedly connected with bottom outer tube (17) on outer column (2) vertical section lower extreme outer wall, second screw hole (18) have been seted up to bottom outer tube (17) inside, second screw hole (18) are provided with two sets of.
5. A thick oil horizontal well string assembly as claimed in claim 1, wherein: the novel screw comprises a screw rod (19) and is characterized in that the screw rod (19) is connected with the first threaded hole (16) in an internal threaded mode, the screw rod (19) is connected with the second threaded hole (18) in an internal threaded mode, two groups of screw rods (19) are arranged, and a clamping sleeve (20) is fixedly connected to the top end of the screw rod (19).
6. A thick oil horizontal well string assembly as claimed in claim 1, wherein: the novel sealing structure is characterized in that a sealing ring (21) is fixedly connected to the outer wall of the upper end of the vertical section of the outer pipe column (2), a first arc-shaped plate (22) is movably connected to the outer side of the sealing ring (21), a second arc-shaped plate (23) is movably connected to the outer side of the sealing ring (21), a half ring plate (24) is fixedly connected to the inner side of the upper end of the left half shell (13), a half ring plate (24) is fixedly connected to the inner side of the upper end of the right half shell (14), and two groups of half ring plates (24) are arranged.
7. A thick oil horizontal well string assembly as claimed in claim 1, wherein: the novel semi-ring plate is characterized in that the first arc plate (22) is internally connected with bolts (25) in a threaded manner, the second arc plate (23) is internally connected with bolts (25) in a threaded manner, the semi-ring plate (24) is internally connected with bolts (25) in a threaded manner, and the bolts (25) are provided with a plurality of groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530253.0U CN220667469U (en) | 2023-06-15 | 2023-06-15 | Thickened oil horizontal well tubular column device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530253.0U CN220667469U (en) | 2023-06-15 | 2023-06-15 | Thickened oil horizontal well tubular column device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667469U true CN220667469U (en) | 2024-03-26 |
Family
ID=90335085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321530253.0U Active CN220667469U (en) | 2023-06-15 | 2023-06-15 | Thickened oil horizontal well tubular column device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667469U (en) |
-
2023
- 2023-06-15 CN CN202321530253.0U patent/CN220667469U/en active Active
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