CN115324522B - Adjustable packer for oil well for petroleum exploitation - Google Patents
Adjustable packer for oil well for petroleum exploitation Download PDFInfo
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- CN115324522B CN115324522B CN202211017851.8A CN202211017851A CN115324522B CN 115324522 B CN115324522 B CN 115324522B CN 202211017851 A CN202211017851 A CN 202211017851A CN 115324522 B CN115324522 B CN 115324522B
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- base
- piece
- fixedly connected
- guide disc
- air bag
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- 239000003129 oil well Substances 0.000 title claims abstract description 14
- 239000003208 petroleum Substances 0.000 title description 5
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides an adjustable packer for an oil well for oil exploitation, which relates to the technical field of packers for oil exploitation, and comprises the following components: the base, the main part of base is the conical cylinder structure of bottom, and logical groove has been seted up to the inside of base, and the logical tank bottom fixedly connected with electromagnetism piece of seting up in the base, the inside of electromagnetism piece is annular array and has seted up the through-hole, and the bottom of electromagnetism piece is through the spring mounting apron, it can make its inner wall inhomogeneous because influenced by corrosion etc. to have solved the inner wall of current oil gas pipeline, and then it can't carry out the problem of automatic fixed point packing operation to the inside condition difference of pipeline, the inside that makes the base spacing at the pipeline through the liquid filling inflation place through flexible pipe with the fluid in the pump liquid piece through the fluid in the pump liquid piece supplies to sealing air bag of the pump liquid piece is down moved, and then reach more practical purpose.
Description
Technical Field
The invention relates to the technical field of packers for oil exploitation, in particular to an adjustable packer for an oil well for oil exploitation.
Background
The packer is an oil-gas well downhole tool used in the petroleum exploitation process, when an annular space between an oil-gas well casing or an open hole well wall is required to be sealed, the packer is connected to a downhole tubular column, and after the packer is lowered to a design depth, a sealing part on the packer is expanded to seal an oil-gas casing annular space in a hydraulic driving mode and the like. Different types of packers are activated and deactivated in different ways.
1. The existing packer needs to be placed by adopting a corresponding hoisting machine to lower the packer to the internal position of an oil and gas pipeline, but the plugging structure needs to be separated from the towed body in the plugging process, so that inconvenience is easily caused when the plugging structure needs to be taken out in the follow-up process;
2. the inner wall of the existing oil and gas pipeline is not uniform due to the influence of corrosion and the like, and further, the inner wall cannot automatically perform fixed-point packing operation aiming at different internal conditions of the pipeline.
In view of the above, the present invention provides an adjustable packer for oil well for oil exploitation, which is improved by researching the existing structure and the existing defects.
Disclosure of Invention
The invention provides the purpose and the efficacy of an adjustable packer for an oil well for petroleum exploitation, which specifically comprises the following steps: the base, the main part of base is the conical cylinder structure of bottom, and logical groove has been seted up to the inside of base, and logical tank bottom fixedly connected with electromagnetism piece of seting up in the base, the inside of electromagnetism piece is annular array and has seted up the through-hole, and the bottom of electromagnetism piece has the apron through spring mounting, the apron has magnetism, and apron and electromagnetism piece assorted, be annular array fixedly connected with connecting plate on the outer peripheral face of base, and install the guide disc in the outside of connecting plate, the guide disc is annular structure, and the ring channel has still been seted up to the inside of guide disc, and be connected through the honeycomb duct between guide disc and the sealed gasbag.
Further, the outside rotation of roof is connected with the carousel, is annular array fixedly connected with spacing hook on the outer peripheral face of carousel, and is annular array fixedly connected with curb plate on the outer peripheral face of base, and wherein every two adjacent curb plates are a set of, and the inboard of every group curb plate installs the guide pulley, and the outside winding of guide pulley has the haulage rope.
Further, under the electric putter was in the shrink state, the pump liquid piece was in the state that is close to sealed gasbag in step, and sealed gasbag was in through pump liquid piece confession liquid inflation state to be the linear array on the outer peripheral face of sealed gasbag and install two strengthening ribs, sealed gasbag and strengthening rib have formed reinforced structure jointly.
Further, the electromagnetic block is connected with the cover plate through a spring, and when the electromagnetic block is electrified to generate magnetism and is in an adsorption state to the cover plate, the cover plate is in a state of closing the bottom end opening of the base, a sealing ring is arranged on the peripheral surface of the cover plate, and the cover plate and the sealing ring jointly form a sealing structure to the base.
Further, the internally mounted of honeycomb duct has the solenoid valve to the inboard fixedly connected with current collector of guide disc, and the current collector is used for collecting the liquid that the honeycomb duct pumped, and the pump line is installed in the outside of current collector, and the inside of guide disc still sliding connection has the gasbag piece, and one side of keeping away from the guide disc in the gasbag piece is the inflation structure, and the gasbag piece is connected with the pump line, and the solenoid valve is also installed to the inside of pump line, the top fixedly connected with well accuse ware of gasbag piece, and the range finder is installed to one side of keeping away from the guide disc in the well accuse ware, and the range finder is used for detecting the interval of guide disc distance pipeline inner wall.
Further, the electric push rod is installed at the top of sealed gasbag, and the top of electric push rod is connected with pump liquid piece to be annular array between pump liquid piece and the sealed gasbag and install flexible pipe, flexible pipe is used for supplying liquid to sealed gasbag.
Further, the screw rod has been twisted on the top of base, and the top fixedly connected with roof of screw rod, and the diameter of roof is greater than the diameter of base, and fixedly connected with couple on the terminal surface of roof, couple are used for pulling the roof.
Further, one side of the traction rope, which is far away from the guide wheel, is connected with the limiting hook, a pump liquid block is arranged on the outer peripheral surface of the base, oil is filled in the pump liquid block, a sealing air bag is further arranged on the outer peripheral surface of the base, and the base, the pump liquid block and the sealing air bag jointly form a plugging structure.
Compared with the prior art, the invention has the following beneficial effects:
1. when needs take out roof and screw rod, can be synchronous drive roof and screw rod through the rotation to the rope take place rotate until break away from with the base can, at this moment the through when screw rod breaks away from the back with the base, can be synchronous come to drive roof and screw rod through the recovery to the rope and break away from the base after retrieve to the ground, and when the roof rises, can synchronous drive the haulage rope of winding in the guide pulley outside through the spacing hook of carousel outside fixed connection and stretch, and make the haulage rope can synchronous motion to the ground on for the user to carry out follow-up work of taking out the base, and then reach more practical purpose.
2. When the accurate plugging operation is required to be carried out on the inside of the pipeline, a valve arranged in a flow guide pipe at the bottom end of the sealing air bag can be synchronously opened, oil in a pump liquid block is synchronously supplied to the inner position of the flow collecting seat through the flow guide pipe, liquid is filled towards the inside of the pump pipe through the flow collecting seat, the air bag block is pushed to slide along an annular groove formed in the guide disc to synchronously detect whether the inner wall of the pipeline is even or not through a range finder arranged on the outer side of the central controller, when the overlarge distance between the guide disc and the inner wall of the pipeline is detected, an electromagnetic valve in the pump pipe can be synchronously opened, so that the air bag block can be expanded to carry out the accurate plugging operation on the inner wall of the pipeline, and the aim of being more practical is achieved.
3. The rope is lowered through starting an external traction machine, the base is put into the inner position of the pipeline through the lowering of the rope to be released and limited synchronously, and when the base is put into a proper position in the pipeline, the electric push rod arranged at the top end of the sealing air bag can be synchronously started to push the pump liquid block to one side of the sealing air bag, and oil in the pump liquid block is supplied into the sealing air bag through the telescopic pipe by the downward movement of the pump liquid block, so that the sealing air bag can place the base at the inner position of the pipeline through liquid filling expansion, and the aim of being more practical is achieved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic view of a front side elevation of a packer in a partially cut-away state, in accordance with an embodiment of the invention;
FIG. 2 shows a schematic elevation view of a packer in a partially cut-away configuration, in accordance with an embodiment of the invention;
FIG. 3 shows a schematic diagram of a front view of a packer according to an embodiment of the invention;
FIG. 4 shows a schematic diagram of a side elevation view of a packer in accordance with an embodiment of the invention;
FIG. 5 shows a schematic diagram of a base to tractor display of a packer in accordance with an embodiment of the invention;
FIG. 6 shows a schematic diagram of a pump block to stiffener display for a packer in accordance with an embodiment of the invention;
FIG. 7 shows an enlarged schematic view of the structure of FIG. 2 at A of a packer in accordance with an embodiment of the invention;
FIG. 8 shows an enlarged schematic view of the structure of FIG. 2 at B of a packer according to an embodiment of the invention.
List of reference numerals
1. A base; 2. an electromagnetic block; 3. a cover plate; 4. a seal ring; 5. a screw; 6. a top plate; 7. a hook; 8. a turntable; 9. a limit hook; 10. a side plate; 11. a guide wheel; 12. a traction rope; 13. pumping a liquid block; 14. an electric push rod; 15. a telescopic tube; 16. sealing the air bag; 17. reinforcing ribs; 18. a guide disc; 19. a connecting plate; 20. a flow guiding pipe; 21. a current collecting seat; 22. a pump tube; 23. an airbag block; 24. a central controller; 25. a distance measuring device.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Examples:
as shown in fig. 1 to 8:
the invention provides an adjustable packer for an oil well for petroleum exploitation, which comprises the following components: the base 1, the main part of base 1 is the conical cylinder structure in bottom, and the logical groove has been seted up to the inside of base 1, and the logical tank bottom fixedly connected with electromagnetism piece 2 of seting up in the base 1, the inside of electromagnetism piece 2 is annular array and has seted up the through-hole, and the bottom of electromagnetism piece 2 passes through the spring mounting apron 3, apron 3 has magnetism, and apron 3 and electromagnetism piece 2 assorted, be annular array fixedly connected with connecting plate 19 on the outer peripheral face of base 1, and the outside of connecting plate 19 installs guide disc 18, guide disc 18 is annular structure, and the ring channel has still been seted up in the inside of guide disc 18, and be connected through honeycomb duct 20 between guide disc 18 and the sealed gasbag 16, the internally mounted of honeycomb duct 20 has the solenoid valve, and the inboard fixedly connected with current collector 21 of guide disc 18, current collector 21 is used for the liquid that honeycomb duct 20 pumped, and the outside of current collector 21 installs pump pipe 22, and the inside of guide disc 18 still sliding connection has gasbag piece 23, one side of keeping away from guide disc 18 in the gasbag piece 23 is the inflation structure, and gasbag piece 23 is connected with pump pipe 22, guide disc 18's inside of pump pipe 22 is installed, distance detector 24 in the guide disc 24 is kept away from in the guide disc 24, distance detector 24 is installed to one side of the distance meter 25 in the guide disc 18 is installed to the distance detector in the guide disc 18.
Wherein, through spring coupling between electromagnetism piece 2 and the apron 3, and be in the circular telegram and produce magnetism when electromagnetism piece 2 and to apron 3 adsorption state under, apron 3 is in the bottom opening closed state to base 1, and install sealing washer 4 on the outer peripheral face of apron 3, apron 3 and sealing washer 4 have formed the seal structure to base 1 jointly, screw rod 5 has been twisted on the top of base 1, and the top fixedly connected with roof 6 of screw rod 5, the diameter of roof 6 is greater than the diameter of base 1, and fixedly connected with couple 7 on the top surface of roof 6, couple 7 is used for pulling roof 6, when the shutoff operation of carrying out the precision to the inside of pipeline, can be synchronous will install the valve in honeycomb duct 20 of sealed gasbag 16 bottom, and synchronous will pump fluid piece 13 is supplied to the inside position of current collector 21 through honeycomb duct 20, and carry out the liquid filling and promote gasbag piece 23 along the ring channel that sets up in the guide disc 18 through current collector 21, the inner wall 25 through installing in the interior accuse ware 24 outside pipeline detects evenly, detect the inner wall 25 of pipeline in the guide disc 18 and detect the pipeline, can then be more accurate pipeline between the pipeline and the inflation valve, can be more synchronous when the pipeline is in order to reach the inflation valve, and the pipeline is more accurate can be opened.
The outside rotation of roof 6 is connected with carousel 8, be annular array fixedly connected with spacing coupler 9 on the outer peripheral face of carousel 8, and be annular array fixedly connected with curb plate 10 on the outer peripheral face of base 1, wherein every two adjacent curb plates 10 are a set of, and the guide pulley 11 is installed to the inboard of every group curb plate 10, the outside winding of guide pulley 11 has haulage rope 12, one side that keeps away from guide pulley 11 in the haulage rope 12 is connected with spacing coupler 9, and install pump liquid piece 13 on the outer peripheral face of base 1, pump liquid piece 13's inside is filled with fluid, and seal airbag 16 has still been installed on the outer peripheral face of base 1, base 1 and pump liquid piece 13 and seal airbag 16 have jointly formed the shutoff structure, when needs take out roof 6 and screw rod 5, can be synchronous drive roof 6 and screw rod 5 through the rotation to take place to break away from with base 1, the time synchronous through being in the back of taking out with base 1, can be synchronous through driving roof 6 and screw rod 5 and break away from base 1 through 7 to carry out the recovery of haulage rope, and carry out the subsequent stretch hook 1 and take out the purpose on the basis simultaneously when the base 1 is carried out the synchronous rope 12 and take out the purpose and take out the synchronous hook 12 and take out simultaneously on the basis simultaneously and the side 12 and take out the purpose is more than the base is connected with the top plate is more than the basis to be practical.
The top end of the sealing air bag 16 is provided with an electric push rod 14, the top end of the electric push rod 14 is connected with the pump liquid block 13, an annular array is arranged between the pump liquid block 13 and the sealing air bag 16, the telescopic pipe 15 is used for supplying liquid into the sealing air bag 16, the electric push rod 14 is in a contracted state, the pump liquid block 13 is in a state of synchronously approaching to the sealing air bag 16, the sealing air bag 16 is in a liquid supply expansion state through the pump liquid block 13, two reinforcing ribs 17 are arranged on the peripheral surface of the sealing air bag 16 in a linear array, the sealing air bag 16 and the reinforcing ribs 17 form a reinforcing structure together, a rope is placed by starting an external traction machine, the base 1 is placed into the inner position of a pipeline in a synchronous manner through the lowering of the rope, when the base 1 is placed into the proper position in the pipeline, the electric push rod 14 arranged at the top end of the sealing air bag 16 in a synchronous manner is started to push the pump liquid block 13 towards one side of the sealing air bag 16, the telescopic pipe 15 is supplied into the sealing air bag 16 through downward movement of the pump liquid block 13, and the base 1 is placed into the sealing air bag 16 through the telescopic pipe in the sealing air bag 16 in a practical position, and the base can be placed into the position in the sealing air bag through the sealing air bag 16.
When in use, the utility model is characterized in that: firstly, when oil well pipelines used in oil exploitation are required to be sealed and used in the oil exploitation process, ropes in corresponding traction machinery are installed on hooks 7 fixedly connected to the top end of a top plate 6 to be placed, and then one side of a conical head in a base 1 is inserted into the inner position of the pipeline in the oil exploitation to be placed;
then the rope is lowered by starting an external traction machine, the base 1 is synchronously thrown into the inner position of the pipeline by lowering the rope to release and limit, when the base 1 is deep into the proper position of the pipeline, the electric push rod 14 arranged at the top end of the sealing air bag 16 can be synchronously started to push the pump liquid block 13 towards one side of the sealing air bag 16, and oil in the pump liquid block 13 is fed into the sealing air bag 16 through the telescopic pipe 15 by the downward movement of the pump liquid block 13, so that the sealing air bag 16 can limit the base 1 to the inner position of the pipeline by filling and expanding, and the aim of more practicability is achieved;
when the sealing air bag 16 is inflated through filling oil, the reinforcing ribs 17 arranged on the outer side of the sealing air bag 16 are synchronously driven to synchronously expand, and the sealing air bag 16 and the reinforcing ribs 17 are synchronously inflated to effectively seal the inside of a pipeline, so that the purpose of being more practical is achieved;
then when the top plate 6 and the screw 5 need to be taken out, the top plate 6 and the screw 5 can be synchronously driven to rotate by rotating the ropes until the top plate 6 and the screw 5 are separated from the base 1, at the moment, the top plate 6 and the screw 5 can be synchronously driven to be separated from the base 1 by recovering the ropes through the hooks 7 after the screw 5 is separated from the base 1, and when the top plate 6 ascends, the traction ropes 12 wound on the outer sides of the guide wheels 11 are synchronously driven by the limiting hooks 9 fixedly connected with the outer sides of the turntables 8 to stretch, and the traction ropes 12 can synchronously move to the ground for a user to carry out subsequent work for taking out the base 1, so that the purpose of being more practical is achieved;
when the accurate plugging operation is required to be performed on the inside of the pipeline, the valve in the flow guide pipe 20 arranged at the bottom end of the sealing air bag 16 can be synchronously opened, the oil in the pump liquid block 13 is synchronously supplied to the inner position of the flow collecting seat 21 through the flow guide pipe 20, the flow collecting seat 21 is filled with liquid towards the inside of the pump pipe 22 and pushes the air bag block 23 to slide along the annular groove formed in the guide disc 18, whether the inner wall of the pipeline is uniform or not is synchronously detected through the distance measuring device 25 arranged on the outer side of the central controller 24, and when the excessive interval between the guide disc 18 and the inner wall of the pipeline is detected, the electromagnetic valve in the pump pipe 22 can be synchronously opened, so that the air bag block 23 can be expanded to perform the accurate plugging operation on the inner wall of the pipeline, and the aim of being more practical is achieved.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. An adjustable packer for an oil well for oil recovery, comprising: the base (1), the main part of base (1) is the conical cylinder structure in bottom, and logical groove has been seted up to the inside of base (1), and logical tank bottom fixedly connected with electromagnetism piece (2) of seting up in base (1), the through-hole has been seted up to the inside of electromagnetism piece (2) in annular array, and apron (3) are installed through the spring to the bottom of electromagnetism piece (2), apron (3) have magnetism, and apron (3) and electromagnetism piece (2) assorted, be annular array fixedly connected with connecting plate (19) on the outer peripheral face of base (1), and guide disc (18) are installed in the outside of connecting plate (19), guide disc (18) are annular structure, and the inside of guide disc (18) has still been seted up the ring channel, and be connected through honeycomb duct (20) between guide disc (18) and the sealed gasbag (16), install pump liquid piece (13) on the outer peripheral face of base (1), the inside of pump liquid piece (13) is filled with fluid, and install seal (16) on the outer peripheral face of base (1), base (1) and pump liquid piece (13) and seal (16) have together been installed on seal air bag (14) and seal push rod top end (14) and seal rod (14) are connected together, and be annular array between pump liquid piece (13) and sealed gasbag (16) and install flexible pipe (15), flexible pipe (15) are used for supplying liquid in sealed gasbag (16), the internally mounted of honeycomb duct (20) has the solenoid valve to the inboard fixedly connected with current collector (21) of guide disc (18), current collector (21) are used for collecting the liquid that honeycomb duct (20) pumped, and pump line (22) are installed in the outside of current collector (21), and the inside of guide disc (18) still sliding connection has gasbag piece (23), one side of keeping away from guide disc (18) in gasbag piece (23) is the inflation structure, and gasbag piece (23) are connected with pump line (22), the solenoid valve is also installed to the inside of pump line (22), the top fixedly connected with well accuse ware (24) of gasbag piece (23), one side of keeping away from guide disc (18) in well accuse ware (24) is installed range finder (25), range finder (25) are used for detecting the interval of guide disc (18) apart from the pipeline inner wall.
2. The adjustable packer for an oil well for oil recovery as defined in claim 1, wherein: the electromagnetic block (2) is connected with the cover plate (3) through a spring, and when the electromagnetic block (2) is electrified to generate magnetism and is in an adsorption state to the cover plate (3), the cover plate (3) is in a bottom end opening sealing state to the base (1), the sealing ring (4) is arranged on the outer peripheral surface of the cover plate (3), and the cover plate (3) and the sealing ring (4) jointly form a sealing structure to the base (1).
3. The adjustable packer for an oil well for oil recovery as defined in claim 1, wherein: screw rod (5) has been twisted on the top of base (1), and the top fixedly connected with roof (6) of screw rod (5), the diameter of roof (6) is greater than the diameter of base (1), and fixedly connected with couple (7) on the terminal surface of roof (6), couple (7) are used for pulling roof (6).
4. An adjustable packer for an oil well for oil recovery as defined in claim 3, wherein: the outer side of roof (6) rotates and is connected with carousel (8), is annular array fixedly connected with spacing hook (9) on the outer peripheral face of carousel (8), and is annular array fixedly connected with curb plate (10) on the outer peripheral face of base (1), and wherein every two adjacent curb plate (10) are a set of, and guide pulley (11) are installed to the inboard of every group curb plate (10), and the outside winding of guide pulley (11) has haulage rope (12).
5. The adjustable packer for an oil well for oil recovery as defined in claim 4, wherein: one side of the traction rope (12) far away from the guide wheel (11) is connected with the limit hook (9).
6. The adjustable packer for an oil well for oil recovery as defined in claim 1, wherein: the electric push rod (14) is in a contracted state, the pump liquid block (13) is in a state of synchronously approaching to the sealing air bag (16), the sealing air bag (16) is in a liquid supply expansion state through the pump liquid block (13), two reinforcing ribs (17) are arranged on the outer peripheral surface of the sealing air bag (16) in a linear array, and the sealing air bag (16) and the reinforcing ribs (17) form a reinforcing structure together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211017851.8A CN115324522B (en) | 2022-08-24 | 2022-08-24 | Adjustable packer for oil well for petroleum exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211017851.8A CN115324522B (en) | 2022-08-24 | 2022-08-24 | Adjustable packer for oil well for petroleum exploitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115324522A CN115324522A (en) | 2022-11-11 |
| CN115324522B true CN115324522B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211017851.8A Active CN115324522B (en) | 2022-08-24 | 2022-08-24 | Adjustable packer for oil well for petroleum exploitation |
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| Country | Link |
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| CN (1) | CN115324522B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6988557B2 (en) * | 2003-05-22 | 2006-01-24 | Weatherford/Lamb, Inc. | Self sealing expandable inflatable packers |
| CN102337855A (en) * | 2010-07-14 | 2012-02-01 | 中国石油天然气股份有限公司 | Pre-filling self expansion packer for well completion |
| CN102733777B (en) * | 2012-06-11 | 2016-02-24 | 新疆华油油气工程有限公司 | The high-pressure packer of a kind of hydraulic setting, deblocking |
| CN102979477B (en) * | 2012-11-28 | 2015-05-06 | 中国石油天然气股份有限公司 | Downhole electric control compression type packer |
| CN103046893B (en) * | 2012-12-26 | 2015-10-28 | 安东石油技术（集团）有限公司 | Composite rubber sleeve packer |
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2022
- 2022-08-24 CN CN202211017851.8A patent/CN115324522B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115324522A (en) | 2022-11-11 |
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