CN216277790U - Inclined shaft packer for underground oil testing - Google Patents
Inclined shaft packer for underground oil testing Download PDFInfo
- Publication number
- CN216277790U CN216277790U CN202123223767.5U CN202123223767U CN216277790U CN 216277790 U CN216277790 U CN 216277790U CN 202123223767 U CN202123223767 U CN 202123223767U CN 216277790 U CN216277790 U CN 216277790U
- Authority
- CN
- China
- Prior art keywords
- rubber sleeve
- sleeve seat
- main body
- seat
- fixed cylinder
- 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.)
- Active
Links
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses an inclined well packer for underground oil testing, which comprises a main body, wherein an upper joint is fixedly arranged at the upper end of the main body, a lower joint is fixedly arranged at the lower end of the main body, a central pipe is fixedly arranged in the main body, a third rubber sleeve seat and a fixed cylinder are fixedly sleeved on the main body, a rubber sleeve is arranged between the third rubber sleeve seat and the fixed cylinder, a piston block is connected in the fixed cylinder in a sliding manner, a through groove and a shear pin are arranged in the fixed cylinder, and the upper end of the piston block is fixedly connected with the rubber sleeve; a supporting pipe is fixedly arranged in the central pipe, and a valve ball is placed in the central pipe. Through going down this device to the assigned position, then drop into the valve ball, make the valve ball fall on the stay tube, then through pressurizeing to this device in, when the pressure that the piston block received was too big, the piston block can break the shear pin and upward movement, and then promote the gum cover upward movement, makes the gum cover on the third gum cover seat to with gum cover with pipe seal, this device seat seal reliably, convenient to use is reliable.
Description
Technical Field
The utility model relates to the technical field of oil extraction tools in oil fields, in particular to an inclined well packer for underground oil testing.
Background
In the oil extraction process of the oil well, because the oil layers of the oil field are large in quantity and the difference between the oil layers is large, the problem of serious interference among the oil layers can occur, and in order to avoid mutual interference among the oil layers, operations such as layered mining, isolated mining, layered water injection, oil testing, water plugging, water exploration and the like can be carried out on the oil field.
The actual conditions of oil wells are different, some oil wells have slopes, in the inclined wells, the radial force of a tubing string close to the wall of a casing is larger, when a common packer is used for setting and layering, the setting effect of the common packer is poor, and sometimes the packer can fail.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a slant well packer for underground oil testing, which solves at least one technical problem.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an inclined well packer for underground oil testing comprises a main body, wherein an upper connector is fixedly arranged at the upper end of the main body, a lower connector is fixedly arranged at the lower end of the main body, a central pipe is fixedly arranged in the main body, the upper connector, the lower connector and the central pipe are communicated, a third rubber sleeve seat and a fixed cylinder are fixedly sleeved on the main body, a rubber sleeve is arranged between the third rubber sleeve seat and the fixed cylinder, the rubber sleeve is sleeved on the main body, a piston block is slidably connected in the fixed cylinder, a through groove and a shear pin are arranged in the fixed cylinder, the shear pin extends into the piston block, and the upper end of the piston block is fixedly connected with the rubber sleeve; the supporting pipe is fixedly arranged in the central pipe, and the valve ball is placed in the central pipe and is in contact with the supporting pipe.
Preferably, fixed cover is equipped with first gum cover seat and second gum cover seat in the main part, install the spacer ring between first gum cover seat and the second gum cover seat, install the spacer ring between second gum cover seat and the third gum cover seat.
Preferably, the fixed cover is equipped with the support cover in the main part, install a plurality of ball covers on the support cover, it is a plurality of all install the ball in the ball cover.
Preferably, a plurality of grooves are formed in the rubber sleeve, and a plurality of protrusions are mounted on the third rubber sleeve seat.
Preferably, the first rubber sleeve seat is made of rubber, and the second rubber sleeve seat is made of rubber.
Preferably, the spacer ring is made of rubber, and the rubber sleeve is made of rubber.
The utility model has the beneficial effects that:
1. when the device is used, the device is put to a designated position, then the valve ball is put into the device, the valve ball falls onto the supporting tube, and then the device is pressurized, when the piston block is subjected to overlarge pressure, the piston block can break the shear pin and move upwards, so that the rubber sleeve is pushed to move upwards, and the rubber sleeve is sleeved on the third rubber sleeve seat, so that the rubber sleeve seals the pipeline.
2. The supporting sleeve, the ball sleeve and the balls are arranged, so that the device has a function of righting, the untight sealing caused by the uneven stress of the pipeline can be prevented, and the use is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 1 according to the present invention;
reference numerals: 1. a main body; 2. an upper joint; 3. a lower joint; 4. a central tube; 5. a support sleeve; 6. a first rubber sleeve seat; 7. a second rubber sleeve seat; 8. a third rubber sleeve seat; 9. a spacer ring; 10. a through groove; 11. a piston block; 12. shearing the nails; 13. a rubber sleeve; 14. a groove; 15. a protrusion; 16. supporting a tube; 17. a valve ball; 18. a fixed cylinder; 51. a ball sleeve; 52. and a ball.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Examples
As shown in fig. 1-3, an inclined well packer for downhole oil testing comprises a main body 1, wherein an upper joint 2 is fixedly arranged at the upper end of the main body 1, a lower joint 3 is fixedly arranged at the lower end of the main body 1, a central pipe 4 is fixedly arranged in the main body 1, the upper joint 2, the lower joint 3 and the central pipe 4 are communicated, a third rubber sleeve seat 8 and a fixed cylinder 18 are fixedly sleeved on the main body 1, a rubber sleeve 13 is arranged between the third rubber sleeve seat 8 and the fixed cylinder 18, the rubber sleeve 13 is sleeved on the main body 1, a piston block 11 is slidably connected in the fixed cylinder 18, a through groove 10 and a shear pin 12 are arranged in the fixed cylinder 18, the shear pin 12 extends into the piston block 11, and the upper end of the piston block 11 is fixedly connected with the rubber sleeve 13; a supporting tube 16 is fixedly arranged in the central tube 4, a valve ball 17 is arranged in the central tube 4, and the valve ball 17 is contacted with the supporting tube 16.
In this embodiment, specifically, the main body 1 is fixedly sleeved with a first rubber sleeve seat 6 and a second rubber sleeve seat 7, a spacer ring 9 is installed between the first rubber sleeve seat 6 and the second rubber sleeve seat 7, and a spacer ring 9 is installed between the second rubber sleeve seat 7 and the third rubber sleeve seat 8.
In this embodiment, specifically, the main body 1 is fixedly sleeved with the support sleeve 5, the support sleeve 5 is provided with a plurality of ball sleeves 51, and the plurality of ball sleeves 51 are all provided with balls 52; through setting up support cover 5, ball cover 51, ball 52, play the effect of rightting to this device, can also prevent to lead to sealed not tight because of the pipeline atress is inhomogeneous, do benefit to the use.
In this embodiment, specifically, a plurality of grooves 14 are formed in the rubber sleeve 13, and a plurality of protrusions 15 are installed on the third rubber sleeve base 8; by arranging the groove 14 and the protrusion 15, when the rubber sleeve 13 moves upwards, the protrusion 15 enters the groove 14 to form insertion, so that the rubber sleeve 13 cannot be separated from the third rubber sleeve seat 8 by itself.
In this embodiment, the first rubber sleeve seat 6 is made of rubber, and the second rubber sleeve seat 7 is made of rubber.
In this embodiment, the spacer ring 9 is made of rubber, and the rubber sleeve 13 is made of rubber.
The working principle is as follows: when the device is used specifically, the device is put down to a designated position along a pipeline, then the valve ball 17 is put into the device, the valve ball 17 enters the central pipe 4 through the upper connector 2 and then falls onto the supporting pipe 16, then hydraulic pressure enters the fixed cylinder 18 through the through groove 10 by pressurizing the device, when the pressure on the piston block 11 is too large, the piston block 11 can break the shear pin 12 and move upwards, the rubber sleeve 13 is pushed to move upwards, the rubber sleeve 13 is sleeved on the third rubber sleeve seat 8, and then the bulge 15 is inserted into the groove 14, so that the rubber sleeve 13 is abutted to the pipeline automatically, and the rubber sleeve 13 cannot be separated from the third rubber sleeve seat 8 even if the pressure disappears because the bulge 15 is inserted into the groove 14, and the rubber sleeve 13 can always seal the pipeline.
Wherein, support cover 5, ball cover 51, ball 52 through setting up, play the effect of rightting to this device, can also prevent to lead to sealed not tight because of the pipeline atress is inhomogeneous, do benefit to the use.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an inclined shaft packer that oil testing was used in pit, includes main part (1), the upper end of main part (1) has set firmly top connection (2), the lower extreme of main part (1) has set firmly lower clutch (3), main part (1) internal fixation has center tube (4), top connection (2), lower clutch (3), center tube (4) intercommunication, its characterized in that: the main body (1) is fixedly sleeved with a third rubber sleeve seat (8) and a fixed cylinder (18), a rubber sleeve (13) is arranged between the third rubber sleeve seat (8) and the fixed cylinder (18), the rubber sleeve (13) is sleeved on the main body (1), a piston block (11) is connected to the fixed cylinder (18) in a sliding mode, a through groove (10) and a shear pin (12) are installed in the fixed cylinder (18), the shear pin (12) extends into the piston block (11), and the upper end of the piston block (11) is fixedly connected with the rubber sleeve (13); a supporting pipe (16) is fixedly arranged in the central pipe (4), a valve ball (17) is arranged in the central pipe (4), and the valve ball (17) is in contact with the supporting pipe (16).
2. The slant well packer for testing oil in a well according to claim 1, wherein: fixed cover is equipped with first rubber sleeve seat (6) and second rubber sleeve seat (7) on main part (1), install spacer ring (9) between first rubber sleeve seat (6) and second rubber sleeve seat (7), install spacer ring (9) between second rubber sleeve seat (7) and third rubber sleeve seat (8).
3. The slant well packer for testing oil in a well according to claim 2, wherein: the fixed cover is equipped with support cover (5) on main part (1), support and install a plurality of ball cover (51) on cover (5), it is a plurality of all install ball (52) in ball cover (51).
4. The slant well packer for testing oil in a well according to claim 1, wherein: a plurality of grooves (14) are formed in the rubber sleeve (13), and a plurality of protrusions (15) are mounted on the third rubber sleeve seat (8).
5. The slant well packer for testing oil in a well according to claim 2, wherein: the first rubber sleeve seat (6) is made of rubber, and the second rubber sleeve seat (7) is made of rubber.
6. The slant well packer for testing oil in a well according to claim 2, wherein: the spacer ring (9) is made of rubber, and the rubber sleeve (13) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223767.5U CN216277790U (en) | 2021-12-21 | 2021-12-21 | Inclined shaft packer for underground oil testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223767.5U CN216277790U (en) | 2021-12-21 | 2021-12-21 | Inclined shaft packer for underground oil testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277790U true CN216277790U (en) | 2022-04-12 |
Family
ID=81056560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123223767.5U Active CN216277790U (en) | 2021-12-21 | 2021-12-21 | Inclined shaft packer for underground oil testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277790U (en) |
-
2021
- 2021-12-21 CN CN202123223767.5U patent/CN216277790U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207017968U (en) | Oil well head annular space sealing device | |
| CN103603651A (en) | Device and method for testing stability of coal seam gas extraction drilled hole | |
| CN103184850A (en) | Bidirectional seat seal hook-wall packer, preparation method thereof and shaft circumferential packing method | |
| CN107893641B (en) | A kind of underground work metal packer and method | |
| CN103266865B (en) | A kind of big orifice packer for oil well | |
| CN201013335Y (en) | Water injection well pressure-working technique pipe column | |
| CN202266231U (en) | Auxiliary pressure-bearing device for rubber barrel of self-expansion packer | |
| CN107893642B (en) | A kind of application method of underground work metal packer | |
| CN207813539U (en) | Hydraulic anchoring device | |
| CN216277790U (en) | Inclined shaft packer for underground oil testing | |
| CN206737855U (en) | A kind of new well completion packer slips | |
| CN110905442B (en) | Empty cement paste of sleeve pipe outer loop fills packer | |
| CN210068069U (en) | Anti-leakage double-sealing well-flushing packer | |
| CN109899047B (en) | Tieback fracturing method and anchoring retrievable tieback fracturing shaft | |
| CN201092845Y (en) | Hydraulic pressure, double back-off hand type dragable bridge plug | |
| CN203879448U (en) | Casing protected gas injection packer for CO2 injection well | |
| CN205422653U (en) | Multi -functional oil pipe post of taking out | |
| CN113482569B (en) | Multistage disconnect-type grout leaking stoppage instrument | |
| CN108825166A (en) | A kind of novel water injection packer | |
| CN210714586U (en) | Self-checking mechanical water plugging pipe column | |
| CN107542418A (en) | High-pressure oil-gas well hydraulic oil pipe anchoring device and its method of work | |
| CN209818004U (en) | Well head sealing device capable of repeatedly expanding and sealing | |
| CN202417419U (en) | Self-anchoring well-flushing packer | |
| CN202220580U (en) | Combined injection tool for external casing packer | |
| CN202090882U (en) | Multifunctional low-pressure oil-leaking and oil-losing layer protecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |