CN210164466U - Special high-energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation - Google Patents
Special high-energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation Download PDFInfo
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- CN210164466U CN210164466U CN201920357098.4U CN201920357098U CN210164466U CN 210164466 U CN210164466 U CN 210164466U CN 201920357098 U CN201920357098 U CN 201920357098U CN 210164466 U CN210164466 U CN 210164466U
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Abstract
The utility model discloses a special high energy-gathering electric pulse blockage removing electrode mechanism for oil gas exploitation, which comprises an electrode body, and a control valve, a first sealing ring, a second sealing ring, an anode electrode and a cathode electrode which are respectively arranged on the electrode body; the anode and the cathode are oppositely arranged in the electrode body from top to bottom, the first sealing ring and the second sealing ring are respectively arranged on the upper side and the lower side of the electrode body, the communicating hole is formed in the electrode body, the control valve is connected with the communicating hole through the short pipe, and the first sealing ring and the second sealing ring are hollow sealing rings and are respectively communicated with the communicating hole. The utility model also provides a deblocking method, the utility model provides a dedicated high energy-gathering electric pulse deblocking electrode mechanism of oil gas exploitation, energy utilization is high, sealing performance is good, compact structure, operation are convenient, are applicable to the oil well and deblock fields such as the exploitation of output increase, coal bed gas, shale gas.
Description
Technical Field
The utility model relates to an electric pulse of oil drilling, coal bed gas, shale gas exploitation removes stifled technical field, especially a dedicated high energy of gathering of oil gas exploitation electric pulse removes stifled electrode mechanism is high, the security is good to energy conversion efficiency.
Background
In the process of oil drilling and production, due to mud invasion pollution in the drilling process and sand, stone and cement in oil-water mixture, the oil-bearing layer pores of an oil well are blocked or an oil-water seepage passage is narrowed after the oil well is mined and operated for a long time, so that the oil yield of the oil well is gradually reduced, and even production stop occurs. The currently commonly adopted oil well blockage removal and production increase modes mainly comprise ultrasonic blockage removal, chemical blockage removal (acidification), hydraulic fracturing and the like, the underground water and rock stratum can be greatly polluted in the actual operation process by means of water fracturing and acidification (chemical) blockage removal, and the actual blockage removal effect is difficult to expect due to the fact that the ultrasonic blockage removal technology is limited by the underground ultrasonic generation strength.
The electric pulse blockage removing technology based on the 'hydro-electric effect' can effectively remove mechanical impurities, drilling mud and sediment in a near-wellbore area, destroy salt sediment and form non-closed micro-cracks by adopting a physical method, and is widely applied to the fields of yield increase of oil and gas fields, exploitation of shale gas and coal bed gas and the like. The patent publication No. 105952426A entitled "oil well blockage removing and production increasing device based on electrohydraulic pulse shock wave" (application No. 201610471227.3) discloses an underground electric pulse blockage removing device, which designs a discharge electrode structure with a focusing function and packaged in a rubber film, but the structure is characterized in that the discharge electrode is packaged in the rubber film, pulse shock waves generated by the electrohydraulic effect in the discharge process need to be transmitted in liquid in the rubber film firstly, then act on oil-water medium in an oil well through the rubber film, and then unblock oil well perforation, although the technical scheme can avoid the pollution of the oil well medium to the discharge electrode, the attenuation of the shock waves generated by the electrohydraulic effect can be accelerated, so that the effective energy acting on the oil well liquid is reduced, meanwhile, an annular gap exists between the discharge electrode and the inner wall of the oil well, most of the shock wave energy transmitted by the rubber film can be absorbed by oil-water mixture in the oil well through the annular gap, the impact energy acted on an oil layer through perforation is limited, so that the electric pulse blockage removing device is low in energy utilization rate and poor in blockage removing effect and even fails.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the defect or not enough to current electric pulse unblock technique, the utility model aims to provide a compact structure, energy utilization efficiency height, the special high energy-gathering electric pulse unblock electrode mechanism of oil gas exploitation easy and simple to handle and unblock method thereof, the electric pulse unblock of specially adapted oil well, shale gas, coal bed gas exploitation, send and split application occasion demand.
The technical scheme is as follows: realize the utility model discloses the technical solution of purpose does:
the utility model provides one of the scheme: a high energy-gathering electric pulse blockage removing electrode mechanism special for oil gas exploitation comprises an electrode body, and a control valve, a first sealing ring, a second sealing ring, an anode electrode and a cathode electrode which are respectively arranged on the electrode body; the anode and the cathode are oppositely arranged in the electrode body from top to bottom, the first sealing ring and the second sealing ring are respectively arranged on the upper side and the lower side of the electrode body, the communicating hole is formed in the electrode body, the control valve is connected with the communicating hole through the short pipe, and the first sealing ring and the second sealing ring are hollow sealing rings and are respectively communicated with the communicating hole.
Furthermore, the electrode body comprises an electrode upper end plate, an electrode lower end plate, a first supporting column and a second supporting column, wherein the electrode upper end plate and the electrode lower end plate are axially connected through the first supporting column and the second supporting column to form an integrated electrode body.
Furthermore, a coaxial insulating mounting hole is formed in the upper end plate of the electrode, and a high-voltage insulating ring is mounted in the insulating mounting hole; the high-voltage insulating ring is of a hollow cylinder structure, the positive electrode is arranged in an inner ring cavity of the high-voltage insulating ring, and the positive electrode is electrically insulated from the electrode body through the high-voltage insulating ring.
Furthermore, the cathode electrode is arranged at the central position of the upper end face of the lower end plate of the electrode and forms a cathode of the high energy-gathered electric pulse deblocking electrode mechanism special for oil gas exploitation together with the electrode body; the cathode electrode and the anode electrode are coaxial, and the distance between the cathode electrode and the anode electrode is adjustable.
Furthermore, the special high energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation is characterized in that a first annular semicircular groove is formed in the outer cylindrical surface of the upper end plate of the electrode, and a first through hole is formed in the groove surface of the first annular semicircular groove.
Furthermore, the special high energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation is characterized in that a second annular semicircular groove is formed in the outer cylindrical surface of the lower electrode end plate, and a second through hole is formed in the groove surface of the second annular semicircular groove.
Further, the special high energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation is characterized in that: the electrode body is axially provided with a communicating hole, and the communicating hole sequentially penetrates through the upper electrode end plate, the first support column and the lower electrode end plate from top to bottom and is respectively communicated with the first through hole and the second through hole; the communicating hole is sealed at the lower end surface of the lower electrode end plate.
Furthermore, the control valve is connected with a communication hole positioned at the outlet of the upper end face of the upper end plate of the electrode through a short pipe.
Furthermore, the high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation is characterized in that the first sealing ring and the second sealing ring are soft annular hollow sealing rings, and a first connecting nozzle communicated with a sealing ring cavity is arranged on the first sealing ring; and a second connecting nozzle communicated with the cavity of the sealing ring is arranged on the second sealing ring.
Further, the high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation is characterized in that the first sealing ring 4 is installed in the groove surface of the first annular semicircular groove, and the first connecting nozzle is connected with the communicating hole in a sealing mode through the first through hole.
Further, the special high energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation is characterized in that the second sealing ring is installed in the groove surface of the second annular semicircular groove, and the second connecting nozzle is connected with the communicating hole in a sealing mode through the second through hole.
In addition, the utility model discloses still provide the second scheme, namely one kind based on oil gas exploitation dedicated high energy-gathering electric pulse unblock electrode mechanism's unblock method, the method step includes:
s1: before going down the well, opening a control valve, vacuumizing the first sealing ring and the second sealing ring through vacuumizing equipment, and then closing the control valve;
s2: after the high energy-gathering electric pulse blockage removing device is lowered to a working section, a control valve is opened, oil-water mixed liquid in the oil well steel sleeve is filtered by a filtering section and then enters inner cavities of a first sealing ring and a second sealing ring through the control valve, a short pipe, a communication hole, a first connecting nozzle and a second connecting nozzle respectively, when the first sealing ring and the second sealing ring are filled with liquid, the control valve is closed, the first sealing ring and the second sealing ring in a liquid filling state fill and seal an annular space between the oil well steel sleeve and an electrode body, and a sealing cavity is formed among the first sealing ring, the second sealing ring and the oil well steel sleeve;
s3: according to the electric pulse blockage removing operation flow, electric pulse blockage removing operation is carried out, pulse shock waves are generated in liquid in the sealed cavity in S2 in the discharge process of the anode electrode and the cathode electrode, and the pulse shock waves act on a rock stratum through perforation, so that the aim of blockage removing of the oil well is fulfilled;
s4: after the blockage removing operation is completed on the operation surface of S3, the control valve is opened, the high energy-gathered electric pulse blockage removing device is lifted, liquid in the first sealing ring and the second sealing ring is extruded and discharged under the extrusion of the oil well steel sleeve and the action of pressure difference between the first sealing ring and the liquid in the oil well steel sleeve, and the first sealing ring and the second sealing ring are in a free state of liquid non-filling, so that the well lifting of the high energy-gathered electric pulse blockage removing device is realized.
Has the advantages that: through the utility model discloses above-mentioned technical scheme who conceives, compare with prior art, have following profitable effect:
1. the energy utilization efficiency is high: the utility model discloses the outer edge of cylinder end sets up the flexible sealing washer of cavity about discharge electrode, when the electrode is in the operation of action section, the sealing washer inner chamber is full of liquid and is in sufficient state to with oil well inner wall in close contact with, form seal chamber between oil well inner wall and upper and lower sealing washer, the shock wave that discharge electrode (negative pole and positive pole) discharge process in seal chamber produced gathers in this seal chamber, the shock wave energy directly acts on the oil reservoir through the perforation of seal chamber section, unblock. Adopt the utility model discloses the structure, the shock wave that produces at the electrode discharge process is restricted to the internal direct action perforation of airtight cavity, reduces the shock wave axial energy leakage loss of electrode body and well wall interval annular space, effectively improves the utilization efficiency of electrode discharge process energy, further improves and removes stifled efficiency.
2. The sealing performance is good: the utility model provides a flexible cavity sealing washer is in after sufficient state, and the liquid passage control valve is closed, and sealing washer and oil well steel casing pipe inner wall in close contact with form sealedly about the electrode. After the electrode discharge shock wave is generated, the outer surfaces of the upper and lower sealing rings in the sealed cavity are subjected to axial liquid pressure in the oil well to generate radial deformation, so that the sealing rings are further compressed with the inner wall of the oil well, the sealing between the upper and lower sealing rings and the inner wall of the steel sleeve of the oil well is enhanced, and the utilization rate of the pulse shock wave is improved.
3. Compact structure, easy and simple to handle: the discharge electrode with the sealing device provided by the utility model vacuumizes the upper and lower sealing rings before going into the well, closes the control valve, and enables the upper and lower sealing rings to be in a flat state, thereby facilitating the operation of going into the well of the electrode; when the electrode reaches the operation section of the oil well, the control valve is opened, the liquid in the oil well enters the inner cavity of the upper and lower sealing rings through the communicating hole after being filtered, and the upper and lower sealing rings are in a contact sealing state with the inner wall of the oil well after the liquid in the oil well is in a filling state. When the operation of lifting the well is finished, the control valve is opened, the liquid in the inner cavity of the sealing ring is discharged by utilizing the extrusion between the sealing ring and the well wall in the well lifting process and the pressure difference between the inner cavity of the sealing ring and the liquid in the oil well with the depth, and the well lifting of the electrode is realized.
Drawings
Fig. 1 is the schematic diagram of the special high energy-gathering electric pulse blockage removing electrode mechanism for oil and gas exploitation.
Fig. 2 is an external view of the embodiment shown in fig. 1.
Fig. 3a is a structural view of the electrode body according to the present invention.
Fig. 3b is a cross-sectional view of fig. 3 a.
Fig. 4 is the schematic diagram of the underground installation of the high energy-gathering electric pulse blockage removing electrode of the utility model.
Fig. 5a is a schematic structural view of the first and second sealing rings according to the present invention.
Fig. 5b is a cross-sectional view of fig. 5 a.
In the figure, 1-anode electrode, 2-control valve, 3-short pipe, 4-first sealing ring, 401-first connecting nozzle, 5-second sealing ring, 501-second connecting nozzle, 6-electrode body, 601-electrode upper end plate, 602-insulation mounting hole, 603-communication hole, 604-first through hole, 605-first annular semicircular groove, 606-first supporting column, 607-second through hole, 608-electrode lower end face, 609-second annular semicircular groove, 610-second supporting column, 7-cathode electrode, 8-high-voltage insulating ring, 9-rock stratum, 10-cement ring, 11-oil well steel casing, 12-pulse power supply, 13-filtering section, 14-electric pulse deblocking electrode device and 15-perforation.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a high energy-gathering electric pulse deblocking electrode mechanism special for oil and gas exploitation comprises an electrode body 6, and a control valve 2, a first sealing ring 4, a second sealing ring 5, an anode electrode 1 and a cathode electrode 7 which are respectively arranged on the electrode body 6; the anode electrode 1 and the cathode electrode 7 are oppositely arranged up and down in the electrode body 6, the first sealing ring 4 and the second sealing ring 5 are respectively arranged at the upper side and the lower side of the periphery of the electrode body 6, the communicating hole 603 is arranged in the electrode body 6, the control valve 2 is connected with the communicating hole 603 through the short pipe 3, and the first sealing ring 44 and the second sealing ring 5 are hollow sealing rings and are respectively communicated with the communicating hole 603.
As shown in fig. 3a and 3b, the electrode body 6 is composed of an electrode upper end plate 601, an electrode lower end plate 608, a first support column 606 and a second support column 610, and the electrode upper end plate 601 and the electrode lower end plate 608 are axially connected by the first support column 606 and the second support column 610 to form an integrated electrode body 6. The center of the upper end plate 601 is provided with a circular insulating mounting hole 602, a high-voltage insulating ring 8 of a hollow cylinder structure is mounted in the insulating mounting hole 602, the anode electrode 1 is mounted in an inner ring cavity of the high-voltage insulating ring 8, and the anode electrode is electrically insulated from the electrode body 6 through the high-voltage insulating ring 8. The cathode 7 is arranged at the center of the upper end face of the lower electrode end plate 608 and forms a cathode of the high energy-gathering electric pulse deblocking electrode mechanism special for oil gas exploitation together with the electrode body 6; the cathode electrode 7 is coaxial with the anode electrode 1, and the distance between the cathode electrode and the anode electrode is adjustable. The outer cylindrical surface of the electrode upper end plate 601 is provided with a first annular semicircular groove 605, and the groove surface of the first annular semicircular groove 605 is provided with a first through hole 604. A second annular semicircular groove 609 is formed in the outer cylindrical surface of the electrode lower end plate 608, and a second through hole 607 is formed in the groove surface of the second annular semicircular groove 609.
The electrode body 6 is axially provided with a communication hole 603, and the communication hole 603 sequentially passes through an upper electrode end plate 601, a first support column 606 and a lower electrode end plate 608 from top to bottom and is respectively communicated with a first through hole 604 and a second through hole 607; the communication hole 603 is closed at the lower end surface of the electrode lower end plate 608.
The control valve 2 is connected to the outlet of a communication hole 603 on the upper end surface of the electrode upper end plate 601 through a short pipe 3.
As shown in fig. 5a and 5b, the first sealing ring 4 and the second sealing ring 5 are soft annular hollow sealing rings, and a first connecting nozzle 401 communicated with the sealing ring cavity is arranged on the first sealing ring 4; and a second connecting nozzle 501 communicated with the cavity of the sealing ring is arranged on the second sealing ring 5. The first sealing ring 4 is arranged in the groove surface of the first annular semicircular groove 605, and the first connecting nozzle 401 is connected with the communicating hole 603 in a sealing way through a first through hole 604; the second sealing ring 5 is installed in the groove surface of the second annular semicircular groove 609, and the second connecting nozzle 501 is connected with the communication hole 603 in a sealing manner through a second through hole 607.
After being filtered by the filtering section 13, the liquid in the well sequentially enters the inner cavities of the first sealing ring 4 and the second sealing ring 5 through the control valve 2, the short pipe 3, the communication hole 603, the first connecting nozzle 401 and the second connecting nozzle 501; after the first sealing ring 4 and the second sealing ring 5 are filled with liquid, the control valve 2 is closed, the outer edges of the first sealing ring 4 and the second sealing ring 5 are respectively contacted with the inner wall surface of the steel sleeve 11 of the oil well to form sealing of an upper annular end surface and a lower annular end surface, energy collection of pulse shock waves in a closed space is realized, and the energy utilization rate of the shock waves is improved.
In a specific implementation process, as shown in fig. 4, the high energy-gathered electric pulse deblocking electrode mechanism 14 special for oil and gas exploitation is connected with a pulse power supply 12 through a filter section 13 to form a high energy-gathered electric pulse deblocking device, the pulse power supply 12 supplies energy to the electric pulse deblocking electrode mechanism 14, the filter section 13 is communicated with a communication hole 603 through a short pipe 3 and a control valve 2, and is put to a working section along an oil well steel casing 11, so that a perforation 15 is located between a first sealing ring 4 and a second sealing ring 5, and a specific operation method is as follows:
the first step is as follows: before descending the well, the control valve 2 is opened, the first sealing ring 4 and the second sealing ring 5 are vacuumized through vacuumizing equipment, and then the control valve 2 is closed;
the second step is that: after the high energy-gathering electric pulse blockage removing device is lowered to a working section, the control valve 2 is opened, oil-water mixed liquid in the oil well steel sleeve 11 is filtered by the filtering section 13 and then enters the inner cavities of the first sealing ring 4 and the second sealing ring 5 through the control valve 2, the short pipe 3, the communicating hole 603, the first connecting nozzle 401 and the second connecting nozzle 501 respectively, when the first sealing ring 4 and the second sealing ring 5 are filled with liquid, the control valve 2 is closed, the annular space between the oil well steel sleeve 11 and the electrode body 6 is filled and sealed by the first sealing ring 4 and the second sealing ring 5 in a liquid filling state, and a sealing cavity is formed among the first sealing ring 4, the second sealing ring 5 and the oil well steel sleeve 11.
The third step: according to the electric pulse blockage removing operation flow, electric pulse blockage removing operation is carried out, pulse shock waves are generated in liquid in the closed cavity in the second step in the discharging process of the anode electrode 1 and the cathode electrode 7, and the pulse shock waves act on the rock stratum 9 through the perforation 15, so that the aim of blockage removing of the oil well is fulfilled.
The fourth step: after the third step of operation surface finishes the deblocking operation, the control valve 2 is opened, the high energy-gathering electric pulse deblocking device is lifted, under the extrusion of the oil well steel casing 11 and the action of the pressure difference between the first sealing ring 4 and the second sealing ring 5 and the liquid in the oil well steel casing 11, the liquid in the first sealing ring 4 and the liquid in the second sealing ring 5 are extruded and discharged into the oil well steel casing 11, and the first sealing ring 4 and the second sealing ring 5 are in a free state of liquid non-filling, so that the well lifting of the high energy-gathering electric pulse deblocking device is realized.
In this embodiment, when the first seal ring 4 and the second seal ring 5 are in a standing state, the liquid pressure in the first seal ring 4 and the second seal ring 5 is equal to the hydrostatic pressure of the liquid in the oil well steel casing 11 outside the ring, when the electrode is lifted, the static pressure of the liquid outside the seal ring (the liquid in the oil well steel casing) is reduced due to the reduction of the well depth where the electrode is located, and the pressure in the seal ring is the hydrostatic pressure corresponding to the well depth of the previous working surface, so that the liquid pressure in the seal ring is greater than the liquid pressure in the oil well steel casing when the well is lifted, so that the liquid in the seal ring is discharged into the oil well steel casing 11 under the actions of extrusion and.
In the embodiment, the outer edges of the upper cylindrical end surface and the lower cylindrical end surface of the discharge electrode are provided with the hollow flexible sealing rings, when the electrode is in operation at an action section, the inner cavity of each sealing ring is filled with liquid and is in an inflated state and is in close contact with the inner wall of an oil well, a sealing cavity is formed between the inner wall of the oil well and the upper sealing ring and the lower sealing ring, shock waves generated in the discharge process of the discharge electrode (cathode and anode) in the sealing cavity are gathered in the sealing cavity, and the shock wave energy directly acts on an oil layer through the perforation of the section. Adopt the utility model discloses the structure, the shock wave that produces at the electrode discharge process is restricted to the internal direct action perforation of airtight cavity, reduces the shock wave axial energy leakage loss of electrode body and well wall interval annular space, effectively improves the utilization efficiency of electrode discharge process energy, further improves and removes stifled efficiency.
In addition, after the flexible hollow sealing ring provided by the embodiment is in a filling state, the liquid channel control valve is closed, and the upper and lower sealing rings of the electrode are in close contact with the inner wall of the steel sleeve 11 of the oil well to form sealing. After the electrode discharge shock wave is generated, the outer surfaces of the upper and lower sealing rings in the sealed cavity are subjected to axial liquid pressure in the oil well to generate radial deformation, so that the sealing rings are further compressed with the inner wall of the oil well, the sealing between the upper and lower sealing rings and the inner wall of the steel sleeve 11 of the oil well is enhanced, and the utilization rate of the pulse shock wave is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a special high energy-gathering electric pulse unblocking electrode mechanism of oil gas exploitation which characterized in that: the electrode comprises an electrode body (6), and a control valve (2), a first sealing ring (4), a second sealing ring (5), an anode electrode (1) and a cathode electrode (7) which are respectively arranged on the electrode body (6); the anode electrode (1) and the cathode electrode (7) are arranged in the electrode body (6) in an up-down opposite mode, the first sealing ring (4) and the second sealing ring (5) are arranged on the upper side and the lower side of the electrode body (6) respectively, the communicating hole (603) is formed in the electrode body (6), the control valve (2) is connected with the communicating hole (603) through the short pipe (3), and the first sealing ring (4) and the second sealing ring (5) are hollow sealing rings and are communicated with the communicating hole (603) respectively.
2. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 1, wherein: the electrode body (6) comprises an electrode upper end plate (601), an electrode lower end plate (608), a first support column (606) and a second support column (610); the electrode upper end plate (601) and the electrode lower end plate (608) are axially connected through a first supporting column (606) and a second supporting column (610) respectively to form an integrated electrode body (6).
3. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 2, wherein: the electrode upper end plate (601) is provided with a coaxial insulation mounting hole (602), and a high-voltage insulation ring (8) is mounted in the insulation mounting hole (602); the high-voltage insulating ring (8) is of a hollow cylinder structure.
4. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 3, wherein: the anode (1) is arranged in an inner ring cavity of the high-voltage insulating ring (8), and is electrically insulated from the electrode body (6) through the high-voltage insulating ring (8); the cathode electrode (7) is arranged at the center of the upper end face of the lower electrode end plate (608) and forms a cathode of a high energy-gathering electric pulse deblocking electrode mechanism special for oil gas exploitation together with the electrode body (6); the cathode electrode (7) and the anode electrode (1) are coaxial, and the distance between the cathode electrode and the anode electrode is adjustable.
5. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 2, wherein: a first annular semicircular groove (605) is formed in the outer cylindrical surface of the upper electrode plate (601), and a first through hole (604) is formed in the groove surface of the first annular semicircular groove (605).
6. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 5, wherein: a second annular semicircular groove (609) is formed in the outer cylindrical surface of the lower electrode end plate (608), and a second through hole (607) is formed in the groove surface of the second annular semicircular groove (609); the first sealing ring (4) is arranged in the groove surface of the first annular semicircular groove (605), a first connecting nozzle (401) is arranged on the first sealing ring (4), and the first connecting nozzle (401) is connected with the communicating hole (603) in a sealing mode through a first through hole (604);
the second sealing ring (5) is arranged in the groove surface of the second annular semicircular groove (609), a second connecting nozzle (501) is arranged on the second sealing ring (5), and the second connecting nozzle (501) is connected with the communication hole (603) in a sealing mode through a second through hole (607).
7. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 6, wherein: the communicating hole (603) sequentially penetrates through the upper electrode end plate (601), the first supporting column (606) and the lower electrode end plate (608) from top to bottom and is respectively communicated with the first through hole (604) and the second through hole (607); the communication hole (603) is closed at the lower end surface of the electrode lower end plate (608).
8. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 2, wherein: the control valve (2) is connected with an outlet of the upper end face of the electrode upper end plate (601) of the communication hole (603).
9. The high energy-gathering electric pulse blockage removing electrode mechanism special for oil and gas exploitation according to claim 1, wherein: the first sealing ring (4) and the second sealing ring (5) are soft annular hollow sealing rings, and a first connecting nozzle (401) communicated with a sealing ring cavity is arranged on the first sealing ring (4); and a second connecting nozzle (501) communicated with the cavity of the sealing ring is arranged on the second sealing ring (5).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973065A (en) * | 2019-03-20 | 2019-07-05 | 南京帕尔斯电气科技有限公司 | A kind of high cumulative electrical pulse blocking removing electrode assembly and method for removing blockage |
| CN112196500A (en) * | 2020-09-04 | 2021-01-08 | 中国地质大学（武汉） | Discharging and blockage removing device in natural gas hydrate and petroleum and natural gas exploitation well |
| CN115405279A (en) * | 2022-08-26 | 2022-11-29 | 武汉华工融军科技有限公司 | Hydraulic pulse shock wave petroleum yield increasing device |
-
2019
- 2019-03-20 CN CN201920357098.4U patent/CN210164466U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973065A (en) * | 2019-03-20 | 2019-07-05 | 南京帕尔斯电气科技有限公司 | A kind of high cumulative electrical pulse blocking removing electrode assembly and method for removing blockage |
| CN112196500A (en) * | 2020-09-04 | 2021-01-08 | 中国地质大学（武汉） | Discharging and blockage removing device in natural gas hydrate and petroleum and natural gas exploitation well |
| CN112196500B (en) * | 2020-09-04 | 2021-07-16 | 中国地质大学（武汉） | Discharging and blockage removing device in natural gas hydrate and petroleum and natural gas exploitation well |
| CN115405279A (en) * | 2022-08-26 | 2022-11-29 | 武汉华工融军科技有限公司 | Hydraulic pulse shock wave petroleum yield increasing device |
| CN115405279B (en) * | 2022-08-26 | 2023-09-15 | 武汉华工融军科技有限公司 | Liquid electric pulse shock wave petroleum yield increasing device |
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Effective date of registration: 20231010 Address after: 210000 Building 1, 666 Dongqi Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu Province Patentee after: NANJING SUPER ENERGY TECHNOLOGY Co.,Ltd. Address before: 210001 No. 5 Yongzhi Road, Qinhuai District, Nanjing City, Jiangsu Province, 819A Comprehensive Building for R&D and Incubation of Science and Technology Entrepreneurship in Nanjing Baixia High-tech Industrial Development Zone Patentee before: Nanjing Pars Electric Technology Co.,Ltd. |