CN116480311B - Blowout-preventing oil exploitation equipment - Google Patents
Blowout-preventing oil exploitation equipment Download PDFInfo
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- CN116480311B CN116480311B CN202310740182.5A CN202310740182A CN116480311B CN 116480311 B CN116480311 B CN 116480311B CN 202310740182 A CN202310740182 A CN 202310740182A CN 116480311 B CN116480311 B CN 116480311B
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- Prior art keywords
- fixedly connected
- elastic
- box
- flexible pad
- blowout
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- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003208 petroleum Substances 0.000 abstract description 23
- 239000004576 sand Substances 0.000 abstract description 23
- 238000003756 stirring Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 description 22
- 239000002689 soil Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000006424 Flood reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/93—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary discs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Abstract
The invention belongs to the technical field of petroleum exploitation equipment, in particular to blowout-preventing petroleum exploitation equipment, which comprises a bottom plate, wherein a containment box is fixedly connected to the upper side of the bottom plate; the side surface of the blocking box is communicated with an oil pipe through a drainage box; a drill pipe extending through the wellbore and having a gap with the wellbore; the air storage cylinder is filled with compressed gas; the expansion ring is fixedly connected inside the convex ring; a motor is fixedly connected to the upper side of the drainage box; the output end of the motor is connected with a rotating shaft; one end of the rotating shaft extending to the inside of the drainage box is fixedly connected with a turntable; a group of blades are uniformly distributed on the circumference of the surface of the turntable; the motor drives the rotating shaft and the rotating disc to rotate, and then the blade plate stirs surrounding muddy sand, so that the muddy sand is fully lifted, and then the muddy sand can flow away along the oil pipe along with petroleum, so that the problems that the muddy sand is deposited at the oil pipe in a large amount and the oil pipe is blocked are prevented.
Description
Technical Field
The invention belongs to the technical field of petroleum exploitation equipment, and particularly relates to blowout-preventing petroleum exploitation equipment.
Background
Blowout refers to the phenomenon of uncontrolled and continuous influx of formation fluids (oil, gas, and water) into the well, out of the surface, or into other low pressure horizons. Blowout is a serious accident in petroleum exploitation work, and the ejected petroleum not only can pollute surrounding soil and water, but also can burn in a large area if meeting a spark, and is difficult to extinguish in a short time, thereby seriously threatening personal safety of operators and local residents and causing waste of resources.
One patent of Chinese patent application CN115324537A discloses a blowout-preventing oil exploitation device, which has the technical scheme that: the oil pumping unit comprises a bottom plate and an oil pumping unit fixedly connected with one side of the top of the bottom plate, wherein the top of the bottom plate is movably connected with a protective cover, and an oil spilling prevention mechanism is arranged in the protective cover; the invention relates to the technical field of petroleum exploitation equipment, in particular to an oil spill prevention mechanism which comprises an inner shell, wherein a sealing piston is movably connected between two sides of the inner wall of the inner shell, a rotating rod is movably connected inside the sealing piston, and a buffer spring is fixedly connected between the bottom of the inner wall of a protective cover and the top of the sealing piston and positioned on the surface of the rotating rod. This prevent oil exploitation equipment of blowout can realize in the in-process of oil drilling exploitation, and when producing blowout phenomenon, the oil enters into inside the protection casing, can carry out pressure release and storage to the oil, simultaneously utilizes oil pumping pipe and beam-pumping unit to extract the oil that spills over once more at the in-process of pressure release, thereby avoids the oil to spill over to the inside problem that causes the incident of protection casing.
With respect to the above and related art, the inventors believe that there are often the following drawbacks: the blowout prevention oil exploitation equipment in the prior art is characterized in that when blowout occurs, oil in a protective cover is required to be discharged and decompressed through an oil pipe, but when blowout occurs, the oil can bring out underground silt or rock soil together, and a large amount of silt is deposited at the oil pipe in a sinking mode, so that the oil pipe is blocked.
Therefore, the invention provides oil exploitation equipment for preventing blowout.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted by the invention is as follows: the invention relates to oil exploitation equipment for preventing blowout, which comprises:
the upper side of the bottom plate is fixedly connected with a blocking box; the surfaces of the bottom plate and the blocking box are provided with wellholes; the side surface of the blocking box is communicated with an oil pipe through a drainage box;
a drill pipe extending through the wellbore and having a gap with the wellbore;
the air storage cylinder is filled with compressed gas;
the convex ring is fixedly connected to the upper side of the blocking box; an expansion ring is fixedly connected inside the convex ring; an air cavity is arranged in the expansion ring and is communicated with the air reservoir through a conduit and a control valve; the drill rod penetrates through the expansion ring and a gap exists between the drill rod and the expansion ring;
the hole and the expansion ring in the invention have gaps with the drill rod, so that the drill bit and the drill rod can smoothly pass through the interior of the containment box, the normal operation of the drill rod is not influenced, enough movable space is reserved for the drill rod, the resistance in drilling is reduced, when blowout accidents occur, the air storage cylinder is opened through the control valve, compressed air in the air storage cylinder is filled into the expansion ring through the guide pipe, the expansion ring is promoted to expand and reduce the inner diameter, the drill rod is clamped, the sealing effect is achieved, petroleum rushing into the containment box can flow out through the oil pipe to release pressure, and the oil pipe can be connected with the storage equipment to collect the petroleum.
A motor is fixedly connected to the upper side of the drainage box; the output end of the motor is connected with a rotating shaft; one end of the rotating shaft extending to the inside of the drainage box is fixedly connected with a turntable; a group of blades are uniformly distributed on the circumference of the surface of the turntable; the motor drives the rotating shaft and the rotating disc to rotate, and then the blade plate stirs surrounding muddy sand, so that the muddy sand is fully lifted, and then the muddy sand can flow away along the oil pipe along with petroleum, so that the problems that the muddy sand is deposited at the oil pipe in a large amount and the oil pipe is blocked are prevented.
A magnetic block is fixedly connected to the inner side wall surface of the drainage box close to the oil pipe; elastic films are fixedly connected between the adjacent blades; the middle part of the elastic membrane is fixedly connected with a circular ring; a group of sliding holes are uniformly distributed on the inner circumference of the turntable, and the sliding holes are in one-to-one correspondence with the elastic films; the inside of the sliding hole is connected with a guide rod in a sliding way through a sliding block, and an elastic piece is fixedly connected between the sliding block and the sliding hole; the guide rod passes through the inside of the circular ring and is fixedly connected with an inclined elastic sheet; the guide rod is made of magnetic materials, and the guide rod and the magnetic block repel each other when approaching; a stop lever is fixedly connected to the end part of the guide rod; when one of the elastic films and the guide rod rotate to a position close to the oil pipe, the magnetic block generates repulsive force to the guide rod and pushes the guide rod to slide towards the inside of the sliding hole, the elastic sheet is clamped on the surface of the circular ring, and the elastic sheet is difficult to deform, the elastic sheet drives the elastic film to approach the circular disc through the circular ring so as to enable the elastic film to deform and stretch, the elastic sheet is difficult to continue to deform after reaching the deformation limit, at the moment, the elastic sheet is extruded and bent by the circular ring and then passes over the circular ring, the elastic film is released after the end part of the guide rod is separated from the circular ring, then the elastic film rebounds towards the direction of the oil pipe under the action of self elasticity, mud sand near the surface of the elastic film is sprung towards the inside of the oil pipe, further mud sand or rock soil is further promoted to be discharged outwards, mud discharging efficiency is improved, blocking phenomenon is reduced, and rock soil can be bounced when the elastic film rebounds, the rock soil is further bounced to break up, the block mass is reduced, the size of the circular ring can be prevented from being separated from the guide rod, after the elastic film is gradually far away from the oil pipe, the elastic member pushes the guide rod to outwards reset, and the elastic sheet is inclined, the elastic sheet is easier to deform, after the elastic sheet contacts with the circular ring, the circular ring is contacted with the circular ring, and then the elastic sheet is blocked by the circular ring, and is bent and is reset by the circular ring.
Preferably, the bottom of the plugging box is fixedly connected with a flexible pad, and the upper side of the flexible pad is flush with the bottom of the drainage box; the drill rod penetrates through the flexible pad and a gap exists between the drill rod and the flexible pad; a cavity is formed in the flexible pad; a pressure sensor is fixedly connected in the cavity; the pressure sensor is connected with the control valve through the processor; after petroleum gushes into the interior of the containment box, gravity acts on the surface of the flexible pad, pressure is applied to the pressure sensor, and then the pressure sensor senses signals and then opens the control valve through the processor, so that the equipment can automatically monitor blowout accidents, and when the accidents happen, the hole is automatically closed by the expansion ring, the control valve is not required to be opened manually, and the emergency treatment efficiency of the blowout accidents is improved.
Preferably, a pair of limiting rings are fixedly connected to the inner side of the convex ring, and the expansion ring is positioned between the pair of limiting rings; the expanding ring can be limited by arranging the limiting ring, so that the expanding ring cannot expand along the up-down direction, the drill rod is extruded and clamped more fully, and the plugging efficiency is improved.
Preferably, the blade surface is fixedly connected with a cutter; a group of helical teeth are uniformly distributed at the edge of the cutter; in the process that the blade plate drives the cutter to rotate, the cutter and the helical teeth on the surface of the cutter can further cut and crush massive rock soil, so that the size of the rock soil is reduced, the rock soil is promoted to be discharged outwards, and the oil pipe is prevented from being blocked.
Preferably, the surface of the inner side wall of the drainage box is fixedly connected with an arc-shaped elastic block; the elastic block is of a hollow structure, and the inside of the elastic block is filled with gas; the surface of the rotating shaft is fixedly connected with a pressing plate; a group of air pipes are uniformly distributed in the flexible pad and are communicated with the elastic block through pipelines; the inside of the air pipe is connected with an air column in a sliding and sealing manner; a spring is fixedly connected between the lower end of the air column and the flexible pad; in the process that the rotating shaft drives the pressing plate to rotate, the pressing plate can intermittently extrude the elastic block, gas inside the elastic block is extruded into a plurality of air pipes through the pipeline, the air column is pushed to intermittently slide upwards, the air column continuously pushes against the flexible pad, the flexible pad is driven to shake, mud and sand on the surface of the flexible pad are shaken up, the mud and sand are promoted to rise and are fully discharged along the oil pipe, and the accumulation of the mud and sand is further reduced.
Preferably, one end of the pressing plate far away from the rotating shaft is rotationally connected with a roller; through setting up the gyro wheel, when the clamp plate rotated to elastic block department, the gyro wheel can roll and extrude the elastic block at elastic block surface to reduce the wearing and tearing condition, prevent the long-time back of moving, the clamp plate is with the problem of elastic block surface scratch.
Preferably, the upper side of the flexible pad is coated with a corrosion resistant coating; because petroleum is corrosive, the corrosion resistance of the flexible pad can be improved by arranging the corrosion-resistant coating, the flexible pad is prevented from being corroded and damaged, and the service life of the flexible pad is prolonged.
Preferably, the surface of the sliding block is provided with a through hole; petroleum can enter the inside of the sliding hole through the through hole so as to balance the oil pressure on two sides of the sliding block and prevent the oil pressure from affecting the movement of the guide rod.
The beneficial effects of the invention are as follows:
1. according to the blowout-preventing oil exploitation equipment, the motor drives the rotating shaft and the rotating disc to rotate, so that the blades stir surrounding muddy sand, the muddy sand is fully lifted, the muddy sand can flow along the oil pipe along with the oil, and the problems that the muddy sand is deposited at the oil pipe in a large amount in a sinking way and is blocked are solved.
2. According to the blowout-preventing oil exploitation equipment, when one of the elastic films and the guide rod rotates to a position close to the oil pipe, the magnetic block generates repulsive force on the guide rod and pushes the guide rod to slide towards the inside of the sliding hole, the elastic piece is clamped on the surface of the circular ring, the elastic piece drives the elastic film to approach the circular disk through the circular ring so as to enable the elastic film to deform and stretch, after the elastic film reaches the deformation limit, the elastic piece is extruded and bent by the circular ring and then passes through the circular ring, so that the end part of the guide rod is released after being separated from the circular ring, the elastic film rebounds towards the direction of the oil pipe under the action of self elasticity, and the muddy sand near the surface of the elastic film is sprung towards the inside of the oil pipe, so that the muddy sand or rock soil is further promoted to be discharged outwards, the mud discharging efficiency is improved, the blocking phenomenon is reduced, and the rock soil can be sprung and broken when the elastic film rebounds, and the rock soil is sprung and broken, and the size of the block mass is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is a partial enlarged view at D in FIG. 5;
FIG. 7 is an enlarged view of a portion of FIG. 5 at E;
FIG. 8 is a cross-sectional view of a turntable in the present invention;
fig. 9 is a partial enlarged view of F in fig. 8.
In the figure: 1. a bottom plate; 2. plugging the box; 3. a wellbore; 4. a drainage box; 5. an oil pipe; 6. a drill rod; 7. an air reservoir; 8. a convex ring; 9. an expansion ring; 10. a conduit; 11. a control valve; 12. a flexible pad; 13. a pressure sensor; 14. a limiting ring; 15. a motor; 16. a rotating shaft; 17. a turntable; 18. a blade; 19. a cutter; 20. helical teeth; 21. an elastic block; 22. a pressing plate; 23. an air pipe; 24. a gas column; 25. a spring; 26. a roller; 27. an elastic film; 28. a circular ring; 29. a slide hole; 30. a guide rod; 31. an elastic member; 32. a spring plate; 33. a magnetic block; 34. a slide block; 35. a stop lever.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 9, the oil exploitation device for blowout prevention according to the present invention includes:
the device comprises a bottom plate 1, wherein a blocking box 2 is fixedly connected to the upper side of the bottom plate 1; the surfaces of the bottom plate 1 and the blocking box 2 are provided with well holes 3; the side surface of the blocking box 2 is communicated with an oil pipe 5 through a drainage box 4;
a drill rod 6, said drill rod 6 extending through the borehole 3 and having a gap with the borehole 3;
the air storage cylinder 7 is filled with compressed gas inside the air storage cylinder 7;
the convex ring 8 is fixedly connected to the upper side of the containment vessel 2; an expansion ring 9 is fixedly connected inside the convex ring 8; an air cavity is arranged in the expansion ring 9 and is communicated with the air reservoir 7 through a guide pipe 10 and a control valve 11; the drill rod 6 penetrates through the expansion ring 9 and a gap exists between the drill rod and the expansion ring 9;
according to the invention, gaps exist between the well hole 3 and the expansion ring 9 and the drill rod 6, so that a drill bit and the drill rod 6 can smoothly pass through the interior of the containment box 2, the normal operation of the drill rod 6 is not affected, enough movable space is reserved for the drill rod 6, the resistance in drilling is reduced, when a blowout accident occurs, the air storage cylinder 7 is opened through the control valve 11, compressed gas in the air storage cylinder 7 is filled into the expansion ring 9 through the guide pipe 10, the expansion ring 9 is promoted to expand and reduce the inner diameter, the drill rod 6 is clamped, the sealing effect is achieved, petroleum rushing into the containment box 2 can flow through the oil pipe 5 for pressure relief, and the oil pipe 5 can be connected with the storage equipment to collect the petroleum.
A motor 15 is fixedly connected to the upper side of the drainage box 4; the output end of the motor 15 is connected with a rotating shaft 16; one end of the rotating shaft 16 extending to the inside of the drainage box 4 is fixedly connected with a rotary disc 17; a group of blades 18 are uniformly distributed on the circumference of the surface of the turntable 17; the motor 15 drives the rotating shaft 16 and the rotating disc 17 to rotate, and then the blade 18 stirs surrounding silt, so that the silt is fully lifted up, and then the silt can flow away along the oil pipe 5 along with petroleum, so that the problem that the silt is deposited at the oil pipe 5 in a large amount and the oil pipe 5 is blocked is prevented.
A magnetic block 33 is fixedly connected to the inner side wall surface of the drainage box 4 close to the oil pipe 5; an elastic membrane 27 is fixedly connected between the adjacent blades 18; a circular ring 28 is fixedly connected to the middle part of the elastic membrane 27; a group of sliding holes 29 are uniformly distributed on the inner circumference of the turntable 17, and the sliding holes 29 are in one-to-one correspondence with the elastic films 27; the inside of the sliding hole 29 is slidably connected with a guide rod 30 through a sliding block 34, and an elastic piece 31 is fixedly connected between the sliding block 34 and the sliding hole 29; the guide rod 30 passes through the inside of the circular ring 28 and is fixedly connected with an inclined elastic sheet 32; the guide rod 30 is made of magnetic materials, and the guide rod 30 and the magnetic block 33 repel each other when approaching; the end part of the guide rod 30 is fixedly connected with a stop lever 35; when one of the elastic films 27 and the guide rod 30 rotates to a position close to the oil pipe 5, the magnetic block 33 generates repulsive force on the guide rod 30 and pushes the guide rod 30 to slide towards the inside of the sliding hole 29, the elastic sheet 32 is clamped on the surface of the circular ring 28, the elastic sheet 32 is difficult to deform, the elastic film 27 is driven to approach the disc by the circular ring 28, the elastic film 27 is enabled to deform and stretch, the elastic film 27 is difficult to deform again after reaching the deformation limit, at the moment, the elastic sheet 32 is extruded and bent by the circular ring 28 and then passes over the circular ring 28, the end part of the guide rod 30 is released from the circular ring 28, then the elastic film 27 rebounds towards the direction of the oil pipe 5 under the action of self elasticity, and ejects mud and sand near the surface of the elastic film into the oil pipe 5, so that mud and sand or rock and soil are further discharged outwards, the mud discharging efficiency is improved, the blocking phenomenon is reduced, the elastic film 27 can bounce and rock and the rock and soil are further bounce and broken, the block mass is reduced, the stop lever 35 can prevent the guide rod 30 of the circular ring 28 from being deformed again, and the elastic film 27 is gradually far away from the oil pipe 28, the elastic film 27 is pushed and the circular ring 31, and the guide rod 30 is reset to the elastic sheet 32 and is easy to be contacted with the circular ring 32 when the elastic sheet 32 is reset, and is reset to the elastic sheet 32 and is easy to realize to be contacted with the elastic sheet 32 and the elastic sheet 32; it should be noted that, in actual operation, in order to reduce the influence of centrifugal force on the elastic membrane 27, the rotation speed of the turntable 17 may be reduced, and the centrifugal force applied to the elastic membrane 27 is reduced, so that the elastic membrane 27 can work smoothly according to the above movement process; the magnetic blocks 33 in the invention are annular and axially magnetized, and the magnetic poles are axially distributed, namely, one side of the magnetic blocks 33 close to the turntable 17 is provided with the magnetic poles.
The bottom of the plugging box 2 is fixedly connected with a flexible pad 12, and the upper side of the flexible pad 12 is flush with the bottom of the drainage box 4; the drill rod 6 penetrates through the flexible pad 12 and a gap exists between the drill rod and the flexible pad 12; a cavity is arranged inside the flexible pad 12; the pressure sensor 13 is fixedly connected in the cavity; the pressure sensor 13 is connected with the control valve 11 through a processor; after petroleum floods into the interior of the containment vessel 2, gravity acts on the surface of the flexible pad 12, pressure is applied to the pressure sensor 13, and then the pressure sensor 13 senses signals and then opens the control valve 11 through the processor, so that the equipment can automatically monitor blowout accidents, and when the accidents happen, the well hole 3 is automatically closed by the expansion ring 9, the control valve 11 is not required to be opened manually, and the emergency treatment efficiency of the blowout accidents is improved.
A pair of limiting rings 14 are fixedly connected to the inner side of the convex ring 8, and the expansion ring 9 is positioned between the pair of limiting rings 14; the expanding ring 9 can be limited by arranging the limiting ring 14, so that the expanding ring 9 cannot expand along the up-down direction, the drill rod 6 is extruded and clamped more fully, and the plugging efficiency is improved.
The surface of the blade plate 18 is fixedly connected with a cutter 19; a group of helical teeth 20 are uniformly distributed at the edge of the cutter 19; in the process that the blade plate 18 drives the cutter 19 to rotate, the cutter 19 and the helical teeth 20 on the surface of the cutter can further cut and crush massive rock soil, so that the size of the rock soil is reduced, the rock soil is promoted to be discharged outwards, and the oil pipe 5 is prevented from being blocked.
An arc-shaped elastic block 21 is fixedly connected to the surface of the inner side wall of the drainage box 4; the elastic block 21 is arranged in a hollow structure, and the inside of the elastic block 21 is filled with gas; the surface of the rotating shaft 16 is fixedly connected with a pressing plate 22; a group of air pipes 23 are uniformly distributed in the flexible pad 12, and the air pipes 23 are communicated with the elastic block 21 through pipelines; the air column 24 is connected in a sliding and sealing manner in the air pipe 23; a spring 25 is fixedly connected between the lower end of the air column 24 and the flexible pad 12; in the process that the rotating shaft 16 drives the pressing plate 22 to rotate, the pressing plate 22 intermittently extrudes the elastic block 21, and extrudes the gas in the elastic block 21 into the plurality of gas pipes 23 through the pipeline, so that the gas column 24 is pushed to intermittently slide upwards, and then the gas column 24 continuously pushes the flexible pad 12 to drive the flexible pad 12 to shake, shake up the silt on the surface of the flexible pad 12, promote the silt to rise and be fully discharged along the oil pipe 5, and further reduce the accumulation of the silt; it should be noted that, although the pressure received by the pressure sensor 13 will change during the shaking process of the flexible pad 12, the control valve 11 is already in an open state, and the compressed gas in the air reservoir 7 is already filled in the expansion ring 9, so that the pressure retention of the expansion ring 9 will not be affected.
The end of the pressing plate 22 far away from the rotating shaft 16 is rotatably connected with a roller 26; by arranging the roller 26, when the pressing plate 22 rotates to the elastic block 21, the roller 26 can roll on the surface of the elastic block 21 and press the elastic block 21, so that the abrasion condition is reduced, and the problem that the surface of the elastic block 21 is scratched by the pressing plate 22 after long-time operation is prevented.
The upper side of the flexible pad 12 is coated with a corrosion resistant coating; since petroleum is corrosive, the corrosion resistance of the flexible mat 12 can be improved by providing an anti-corrosion coating, the flexible mat 12 is prevented from being corroded and damaged, and the service life of the flexible mat 12 is prolonged.
The surface of the sliding block 34 is provided with a through hole; oil can enter the inside of the slide hole 29 through the through hole to balance the oil pressure on both sides of the slide 34, preventing the oil pressure from affecting the movement of the guide rod 30.
Working principle: according to the invention, gaps exist between the well hole 3 and the expansion ring 9 and the drill rod 6, so that a drill bit and the drill rod 6 can smoothly pass through the interior of the containment box 2, the normal operation of the drill rod 6 is not influenced, enough movable space is reserved for the drill rod 6, the resistance in drilling is reduced, when a blowout accident occurs, the air storage cylinder 7 is opened through the control valve 11, compressed gas in the air storage cylinder 7 is filled into the expansion ring 9 through the guide pipe 10, the expansion ring 9 is promoted to expand and reduce the inner diameter, the drill rod 6 is clamped, the sealing effect is achieved, petroleum rushing into the containment box 2 can flow through the oil pipe 5 for pressure relief, and the oil pipe 5 can be connected with storage equipment to collect the petroleum; the motor 15 drives the rotating shaft 16 and the rotating disc 17 to rotate, so that the blades 18 stir surrounding silt, the silt is fully lifted up, the silt can flow away along the oil pipe 5 along with the oil, and the problem that the silt is deposited at the oil pipe 5 in a large amount and the oil pipe 5 is blocked is prevented; when one of the elastic films 27 and the guide rod 30 rotates to a position close to the oil pipe 5, the magnetic block 33 generates repulsive force on the guide rod 30 and pushes the guide rod 30 to slide towards the inside of the sliding hole 29, the elastic sheet 32 is clamped on the surface of the circular ring 28, the elastic sheet 32 is difficult to deform, the elastic film 27 is driven to approach the disc by the circular ring 28, the elastic film 27 is enabled to deform and stretch, the elastic film 27 is difficult to deform again after reaching the deformation limit, at the moment, the elastic sheet 32 is extruded and bent by the circular ring 28 and then passes over the circular ring 28, the end part of the guide rod 30 is released from the circular ring 28, then the elastic film 27 rebounds towards the direction of the oil pipe 5 under the action of self elasticity, and ejects mud and sand near the surface of the elastic film into the oil pipe 5, so that mud and sand or rock and soil are further discharged outwards, the mud discharging efficiency is improved, the blocking phenomenon is reduced, the elastic film 27 can bounce and rock and the rock and soil are further bounce and broken, the block mass is reduced, the stop lever 35 can prevent the guide rod 30 of the circular ring 28 from being deformed again, and the elastic film 27 is gradually far away from the oil pipe 28, the elastic film 27 is pushed and the circular ring 31, and the guide rod 30 is reset to the elastic sheet 32 and is easy to be contacted with the circular ring 32 when the elastic sheet 32 is reset, and is reset to the elastic sheet 32 and is easy to realize to be contacted with the elastic sheet 32 and the elastic sheet 32; after petroleum floods into the interior of the containment box 2, gravity acts on the surface of the flexible pad 12, pressure is applied to the pressure sensor 13, and then the control valve 11 is opened through the processor after the pressure sensor 13 senses signals, so that the equipment can automatically monitor blowout accidents, the well hole 3 is automatically closed by the expansion ring 9 when the accidents happen, the control valve 11 is not required to be opened manually, and the emergency treatment efficiency of the blowout accidents is improved; the expanded expansion ring 9 can be limited by arranging the limiting ring 14, so that the expansion ring 9 cannot expand along the up-down direction, the drill rod 6 is more fully squeezed and clamped, and the plugging efficiency is improved; in the process that the blade plate 18 drives the cutter 19 to rotate, the cutter 19 and the helical teeth 20 on the surface of the cutter can further cut and crush massive rock soil, so that the size of the rock soil is reduced, the rock soil is promoted to be discharged outwards, and the oil pipe 5 is prevented from being blocked; in the process that the rotating shaft 16 drives the pressing plate 22 to rotate, the pressing plate 22 intermittently extrudes the elastic block 21, and extrudes the gas in the elastic block 21 into the plurality of gas pipes 23 through the pipeline, so that the gas column 24 is pushed to intermittently slide upwards, and then the gas column 24 continuously pushes the flexible pad 12 to drive the flexible pad 12 to shake, shake up the silt on the surface of the flexible pad 12, promote the silt to rise and be fully discharged along the oil pipe 5, and further reduce the accumulation of the silt; by arranging the roller 26, when the pressing plate 22 rotates to the elastic block 21, the roller 26 can roll on the surface of the elastic block 21 and press the elastic block 21, so that the abrasion condition is reduced, and the problem that the surface of the elastic block 21 is scratched by the pressing plate 22 after long-time operation is prevented; since petroleum is corrosive, the corrosion resistance of the flexible pad 12 can be improved by arranging the corrosion-resistant coating, the flexible pad 12 is prevented from being corroded and damaged, and the service life of the flexible pad 12 is prolonged; oil can enter the inside of the slide hole 29 through the through hole to balance the oil pressure on both sides of the slide 34, preventing the oil pressure from affecting the movement of the guide rod 30.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. An oil exploitation equipment of blowout prevention, its characterized in that: comprising the following steps:
the device comprises a bottom plate (1), wherein a containment box (2) is fixedly connected to the upper side of the bottom plate (1); the surfaces of the bottom plate (1) and the blocking box (2) are provided with wellholes (3); an oil pipe (5) is communicated with the side surface of the enclosing and blocking box (2) through a drainage box (4);
a drill rod (6), the drill rod (6) penetrating the borehole (3) and having a gap with the borehole (3);
the air storage device comprises an air storage cylinder (7), wherein compressed air is filled in the air storage cylinder (7);
the convex ring (8) is fixedly connected to the upper side of the containment box (2); an expansion ring (9) is fixedly connected inside the convex ring (8); an air cavity is arranged in the expansion ring (9), and the air cavity is communicated with the air storage cylinder (7) through a guide pipe (10) and a control valve (11); the drill rod (6) penetrates through the expansion ring (9) and a gap exists between the drill rod and the expansion ring (9);
a motor (15) is fixedly connected to the upper side of the drainage box (4); the output end of the motor (15) is connected with a rotating shaft (16); one end of the rotating shaft (16) extending to the inside of the drainage box (4) is fixedly connected with a rotary disc (17); a group of blades (18) are uniformly distributed on the circumference of the surface of the turntable (17);
a magnetic block (33) is fixedly connected to the inner side wall surface of the drainage box (4) close to the oil pipe (5); elastic films (27) are fixedly connected between the adjacent blades (18); a circular ring (28) is fixedly connected to the middle part of the elastic membrane (27); a group of sliding holes (29) are uniformly distributed on the inner circumference of the turntable (17), and the sliding holes (29) are in one-to-one correspondence with the elastic films (27); the inside of the sliding hole (29) is connected with a guide rod (30) in a sliding way through a sliding block (34), and an elastic piece (31) is fixedly connected between the sliding block (34) and the sliding hole (29); the guide rod (30) passes through the inside of the circular ring (28) and is fixedly connected with an inclined elastic sheet (32); the guide rod (30) is made of magnetic materials, and the guide rod (30) and the magnetic block (33) repel each other when approaching; a stop lever (35) is fixedly connected to the end part of the guide rod (30).
2. An anti-blowout oil production apparatus according to claim 1, wherein: the bottom of the enclosing and blocking box (2) is fixedly connected with a flexible pad (12), and the upper side of the flexible pad (12) is flush with the bottom of the drainage box (4); the drill rod (6) penetrates through the flexible pad (12) and a gap exists between the drill rod and the flexible pad (12); a cavity is formed in the flexible pad (12); a pressure sensor (13) is fixedly connected in the cavity; the pressure sensor (13) is connected with the control valve (11) through a processor.
3. An anti-blowout oil production apparatus according to claim 2, wherein: a pair of limiting rings (14) is fixedly connected to the inner side of the convex ring (8), and the expansion ring (9) is positioned between the pair of limiting rings (14).
4. An anti-blowout oil production apparatus according to claim 1, wherein: the surface of the blade plate (18) is fixedly connected with a cutter (19); a group of helical teeth (20) are uniformly distributed at the edge of the cutter (19).
5. An anti-blowout oil production apparatus according to claim 2, wherein: an arc-shaped elastic block (21) is fixedly connected to the surface of the inner side wall of the drainage box (4); the elastic block (21) is of a hollow structure, and the inside of the elastic block (21) is filled with gas; a pressing plate (22) is fixedly connected to the surface of the rotating shaft (16); a group of air pipes (23) are uniformly distributed in the flexible pad (12), and the air pipes (23) are communicated with the elastic block (21) through pipelines; an air column (24) is connected in the air pipe (23) in a sliding and sealing way; a spring (25) is fixedly connected between the lower end of the air column (24) and the flexible pad (12).
6. An anti-blowout oil production apparatus according to claim 5 wherein: one end of the pressing plate (22) far away from the rotating shaft (16) is rotatably connected with a roller (26).
7. An anti-blowout oil production apparatus according to claim 2, wherein: the upper side of the flexible pad (12) is coated with a corrosion resistant coating.
8. An anti-blowout oil production apparatus according to claim 1, wherein: the surface of the sliding block (34) is provided with a through hole.
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| CN202310740182.5A CN116480311B (en) | 2023-06-21 | 2023-06-21 | Blowout-preventing oil exploitation equipment |
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| CN202310740182.5A CN116480311B (en) | 2023-06-21 | 2023-06-21 | Blowout-preventing oil exploitation equipment |
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| CN116480311B true CN116480311B (en) | 2023-10-03 |
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| CN112228012A (en) * | 2020-11-17 | 2021-01-15 | 宁波镇海合冰能源技术有限公司 | Oil well is with oil pump-out device that has degritting function |
| CN114592820A (en) * | 2021-10-14 | 2022-06-07 | 盐城市崇达石化机械有限公司 | Energy-saving blowout prevention and pressure relief device for offshore fracturing wellhead |
| CN114592846A (en) * | 2022-02-16 | 2022-06-07 | 山东科技大学 | Coal seam fracturing and multi-effect enhanced extraction method based on gas-liquid two-phase carbon dioxide |
| CN114635660A (en) * | 2020-12-15 | 2022-06-17 | 中石化石油工程技术服务有限公司 | Sand discharge cross joint special for gas drilling |
| CN218716673U (en) * | 2022-10-31 | 2023-03-24 | 山西潞安集团余吾煤业有限责任公司 | Servo constant pressure sealing system for coal seam gas extraction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9109426B2 (en) * | 2010-07-01 | 2015-08-18 | Basimah Khulusi | Apparatus and method for plugging blowouts |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228012A (en) * | 2020-11-17 | 2021-01-15 | 宁波镇海合冰能源技术有限公司 | Oil well is with oil pump-out device that has degritting function |
| CN114635660A (en) * | 2020-12-15 | 2022-06-17 | 中石化石油工程技术服务有限公司 | Sand discharge cross joint special for gas drilling |
| CN114592820A (en) * | 2021-10-14 | 2022-06-07 | 盐城市崇达石化机械有限公司 | Energy-saving blowout prevention and pressure relief device for offshore fracturing wellhead |
| CN114592846A (en) * | 2022-02-16 | 2022-06-07 | 山东科技大学 | Coal seam fracturing and multi-effect enhanced extraction method based on gas-liquid two-phase carbon dioxide |
| CN218716673U (en) * | 2022-10-31 | 2023-03-24 | 山西潞安集团余吾煤业有限责任公司 | Servo constant pressure sealing system for coal seam gas extraction |
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| CN116480311A (en) | 2023-07-25 |
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