CN114687697B - Underground fluid self-excitation pressure pulse oscillation blocking remover - Google Patents
Underground fluid self-excitation pressure pulse oscillation blocking remover Download PDFInfo
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- CN114687697B CN114687697B CN202210277481.5A CN202210277481A CN114687697B CN 114687697 B CN114687697 B CN 114687697B CN 202210277481 A CN202210277481 A CN 202210277481A CN 114687697 B CN114687697 B CN 114687697B
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 34
- 230000010355 oscillation Effects 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 title claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 63
- 230000005284 excitation Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 239000012535 impurity Substances 0.000 claims description 32
- 238000005086 pumping Methods 0.000 claims description 6
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/35—Arrangements for separating materials produced by the well specially adapted for separating solids
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- 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)
- Marine Sciences & Fisheries (AREA)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of pulse oscillation blocking removal, and discloses an underground fluid self-excitation pressure pulse oscillation blocking removal device which comprises a blocking removal absorption pipe, wherein an oscillation mechanism and an absorption mechanism are arranged on the upper side of the blocking removal absorption pipe, the oscillation mechanism comprises a pulse generator and a positioning pipe, one end of the pulse generator is provided with a pulse transmission signal wire, one side of the pulse generator is provided with a control panel, and a positioning plug is arranged in the middle of the pulse transmission signal wire. According to the invention, the pulse generator is turned on to enable the pulse signal to be transmitted to the tail end through the pulse transmission signal line, the pulse generator can be adjusted through the control panel, so that the pulse size can be adjusted, when the pulse reaches the tail end, the pulse is excited out through a plurality of rows of second pulse wave excitation holes formed in the lower end of the outer side of the positioning pipe body, the oil layer of the near-wellbore zone with the periphery polluted is unblocked, the permeability of the oil layer of the near-wellbore zone is increased, and the oil well yield is improved.
Description
Technical Field
The invention relates to the technical field of pulse oscillation blocking removal, in particular to a downhole fluid self-excitation pressure pulse oscillation blocking removal device.
Background
Petroleum in nature is typically stored in subsurface reservoirs, which are rock formations having reservoir spaces that store and allow the passage of hydrocarbons. Oil recovery refers to the process and manner in which oil and gas in a reservoir is pumped from the reservoir bottom into the well and from the bottom to the wellhead. A common method of production is by direct displacement with another medium in the form of a displacement fluid, typically water, or a gas. Under pressure, displacement fluid enters the injection well and is injected into the reservoir rock, often requiring various stimulation operations to be performed at low well production rates. At present, most of oil fields in China enter the middle and later development stages. In this development stage, the oil field generally has three characteristics of high oil extraction speed, high extraction degree, high water content, low daily output of a single well, low formation pressure and low working fluid level of a shaft. With the increase of development difficulty, the measure effect is worse and the potential is smaller, and especially the development of low permeability oil reservoirs is more difficult.
Most of the existing workers adopt single technological measures of acidification, fracturing and the like, but the method has the defects of short effective action distance, incomplete discharge of bottom hole residual liquid and impurities or incapability of discharging due to no reaction with certain plugs and the like, and can not effectively play a role of discharging the plugs. Therefore, a person skilled in the art provides a downhole fluid self-excited pressure pulse oscillation blocking remover to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a downhole fluid self-excitation pressure pulse oscillation blocking remover so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a stifled device is removed in self-excitation pressure pulse of fluid in pit, includes the absorption pipe that removes stifled, the upside that removes stifled absorption pipe is provided with concussion mechanism and absorption mechanism, concussion mechanism includes pulse generator and positioning tube, pulse generator's one end is provided with pulse transmission signal line, one side of pulse generator is provided with controls the panel, pulse transmission signal line's centre is provided with the location end cap, the positioning tube includes the positioning tube body, the lower extreme of positioning tube body is provided with first external screw thread head, the outside of first external screw thread head is provided with the internal thread circle, the upper end of positioning tube body is provided with second external screw thread head, a plurality of rows of second pulse wave excitation holes have been seted up to the lower extreme in the positioning tube body outside.
As still further aspects of the invention: the pulse generator is fixedly connected with the control panel, the pulse generator is fixedly connected with the pulse transmission signal line, and the pulse transmission signal line is fixedly connected with the positioning plug.
As still further aspects of the invention: the positioning tube body is fixedly connected with the first external thread head, and the first external thread head is rotationally connected with the internal thread ring.
As still further aspects of the invention: the positioning pipe body is fixedly connected with the second external thread head, and the second external thread head is rotationally connected with the positioning plug.
As still further aspects of the invention: the utility model discloses a plug removing absorbing pipe, including the plug removing absorbing pipe body, the upper side edge department of plug removing absorbing pipe body is provided with a set of link, the inside intermediate position of plug removing absorbing pipe body has seted up the body cavity of locating pipe, the inside long water pipe spacing groove that is located the outside of locating pipe body cavity of plug removing absorbing pipe body, the absorption chamber has been seted up in the centre of plug removing absorbing pipe body, a plurality of absorption hole has been seted up in the outside that the surface of plug removing absorbing pipe body is located the absorption chamber, a plurality of rows of first pulse wave excitation holes have been seted up in the outside that plug removing absorbing pipe body lower extreme is located the body cavity of locating pipe.
As still further aspects of the invention: the blocking removing absorbing pipe body is fixedly connected with the hanging ring, and the cavity of the positioning pipe body is matched with the positioning pipe body.
As still further aspects of the invention: the second pulse wave excitation hole is matched with the first pulse wave excitation hole, and the absorption cavity and the long water pipe limiting groove are mutually communicated.
As still further aspects of the invention: the absorption mechanism comprises a water suction pump, a large impurity interception pipe and a long water pipe, wherein a discharge pipe orifice is arranged on one side of the water suction pump, a water suction pipe orifice is arranged on the other side of the water suction pump, a positioning base is arranged on the lower side of the water suction pump, a first connector is arranged on one side of the large impurity interception pipe, and a second connector is arranged on one side of the long water pipe.
As still further aspects of the invention: the water pump is fixedly connected with the discharge pipe orifice, the water pump is fixedly connected with the water pump pipe orifice, and the water pump is fixedly connected with the positioning base.
As still further aspects of the invention: big impurity interception pipe and water pumping mouth of pipe swing joint, big impurity interception pipe and first connector fixed connection, long water pipe and second connector fixed connection, second connector and first connector swing joint, long water pipe and long water pipe spacing groove phase-match.
Compared with the prior art, the invention has the beneficial effects that:
1. pulse generator makes pulse signal convey to the end through pulse transmission signal line through opening pulse generator, thereby can adjust pulse generator through controlling the panel and make pulse size adjustable, when the pulse reaches the end, pulse passes through a plurality of rows of second pulse wave laser perforation that the body outside lower extreme was seted up of locating tube and launches away, carry out unblock to peripheral contaminated near-wellbore zone oil reservoir, increase near-wellbore zone oil reservoir's permeability, improve oil well output, inlay on the second external screw thread head through the location end cap rotation and carry out the shutoff to the one end of locating tube body, inlay on the first external screw thread head through the internal thread circle rotation and carry out the shutoff to the other end of locating tube body, can make the locating tube body be fixed in the inboard of locating tube body cavity simultaneously, avoid the locating tube to unblock the circumstances that the absorption tube takes place the separation.
2. Can play the protection through the unblock absorption tube body and remove the effect of blocking, can carry out spacingly to the positioning tube body through the positioning tube body chamber, can carry out spacingly to the long water pipe through long water pipe spacing groove, can make things convenient for staff and rope to connect through a set of link to make the convenient position of removing the unblock absorption tube body of staff, can absorb the oil reservoir that contains impurity through a plurality of absorption hole and absorption chamber, can make things convenient for the pulse derivation that a plurality of rows of second pulse wave excited holes excited away through a plurality of first pulse wave excited holes, thereby remove the blocking to the oil reservoir.
3. Connect second connector and first connector, can make suction pipe mouth department produce suction through opening the suction pump, draw water to the absorption chamber behind interception pipe and the long water pipe through big impurity, can make external oil reservoir inflow through a plurality of absorption hole, can filter the big impurity in the impurity-containing oil layer through big impurity interception pipe, avoid causing the damage to the suction pump, run through the location base through the screw rod and can fix the suction pump, thereby facilitate the use, can collect impurity oil reservoir through discharge pipe mouth and water pipe external connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of a downhole fluid self-excited pressure pulse oscillation blocking remover;
FIG. 2 is a schematic diagram of an exploded structure of a downhole fluid self-excited pressure pulse oscillation blocking remover;
FIG. 3 is a schematic diagram of a vibration mechanism in a downhole fluid self-excited pressure pulse vibration de-blocking device;
FIG. 4 is a schematic diagram of a positioning tube in a downhole fluid self-excited pressure pulse oscillation de-plugging device;
FIG. 5 is a schematic diagram of a plugging removing absorption tube in a downhole fluid self-excited pressure pulse oscillation plugging removing device;
fig. 6 is a schematic structural diagram of an absorption mechanism in a downhole fluid self-excited pressure pulse oscillation blocking remover.
In the figure: 1. unblocking the absorption tube; 11. a unblocking absorption tube body; 12. hanging rings; 13. a long water pipe limit groove; 14. positioning the tube body cavity; 15. an absorption chamber; 16. an absorption hole; 17. a first pulse wave excitation aperture; 2. an oscillating mechanism; 21. a pulse generator; 211. a control panel; 212. a pulse transfer signal line; 213. positioning a plug; 22. a positioning tube; 221. positioning the pipe body; 222. a first external thread head; 223. a second pulse wave excites the aperture; 224. a second external thread head; 225. an internal thread ring; 3. an absorption mechanism; 31. a water pump; 311. a discharge nozzle; 312. a water pumping pipe orifice; 313. positioning a base; 314. a large impurity interception tube; 315. a first connector; 32. a long water pipe; 321. and a second connector.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, in an embodiment of the present invention, a downhole fluid self-excited pressure pulse oscillation blocking remover includes a blocking removing absorbing pipe 1, an oscillation mechanism 2 and an absorbing mechanism 3 are disposed on an upper side of the blocking removing absorbing pipe 1, the oscillation mechanism 2 includes a pulse generator 21 and a positioning pipe 22, one end of the pulse generator 21 is provided with a pulse transmission signal line 212, one side of the pulse generator 21 is provided with a control panel 211, a positioning plug 213 is disposed in a middle of the pulse transmission signal line 212, the positioning pipe 22 includes a positioning pipe body 221, a first external screw thread head 222 is disposed at a lower end of the positioning pipe body 221, an internal screw thread ring 225 is disposed outside the first external screw thread head 222, a second external screw thread head 224 is disposed at an upper end of the positioning pipe body 221, a plurality of rows of second pulse wave excitation holes 223 are disposed at a lower end of an outer side of the positioning pipe body 221, by turning on the pulse generator 21 so that the pulse signal is transmitted to the tip through the pulse transfer signal line 212, the pulse generator 21 can be adjusted by the control panel 211 so that the pulse size can be adjusted, when the pulse reaches the end, the pulse is excited out through a plurality of rows of second pulse wave excitation holes 223 opened at the lower end of the outer side of the positioning tube body 221, removing the blockage of the nearby well zone oil layer with polluted periphery, increasing the permeability of the nearby well zone oil layer, improving the oil well yield, one end of the positioning tube body 221 can be plugged by rotationally embedding the positioning plug 213 on the second external thread head 224, the other end of the positioning tube body 221 can be plugged by rotationally embedding the internal thread ring 225 on the first external thread head 222, at the same time, the positioning tube body 221 can be fixed on the inner side of the positioning tube body cavity 14, so that the situation that the positioning tube 22 and the unblocking absorption tube 1 are separated is avoided.
Preferably, the pulse generator 21 is fixedly connected with the control panel 211, the pulse generator 21 is fixedly connected with the pulse transmission signal line 212, the pulse transmission signal line 212 is fixedly connected with the positioning plug 213, the pulse generator 21 is fixedly connected with the control panel 211, so that a worker can control the pulse generator 21 through the control panel 211, the pulse signal can be transmitted through the pulse transmission signal line 212 through the pulse generator 21 and the pulse transmission signal line 212, and the pulse transmission signal line 212 cannot be separated from the positioning plug 213 through the pulse transmission signal line 212 and the positioning plug 213.
Preferably, the positioning tube body 221 is fixedly connected with the first external thread head 222, the first external thread head 222 is rotationally connected with the internal thread ring 225, one end of the positioning tube body 221 can be plugged through the first external thread head 222 by fixedly connecting the positioning tube body 221 with the first external thread head 222, and the first external thread head 222 is rotationally connected with the internal thread ring 225 by rotationally connecting the first external thread head 222 with the internal thread ring 225.
Preferably, the positioning tube body 221 is fixedly connected with the second external thread head 224, the second external thread head 224 is rotationally connected with the positioning plug 213, a worker can plug one end of the positioning tube body 221 through the second external thread head 224 by fixedly connecting the positioning tube body 221 with the second external thread head 224, and the worker can connect the second external thread head 224 with the positioning plug 213 through the second external thread head 224 and rotationally connecting the positioning plug 213.
Preferably, the unblocking absorption tube 1 comprises a unblocking absorption tube body 11, a group of hanging rings 12 are arranged at the upper side edge of the unblocking absorption tube body 11, a positioning tube body cavity 14 is formed in the middle position inside the unblocking absorption tube body 11, a long water tube limiting groove 13 is formed in the outer side of the positioning tube body cavity 14 inside the unblocking absorption tube body 11, an absorption cavity 15 is formed in the middle of the unblocking absorption tube body 11, a plurality of absorption holes 16 are formed in the outer side of the outer surface of the unblocking absorption tube body 11, a plurality of first pulse wave excitation holes 17 are formed in the outer side of the absorption cavity 15 at the lower end of the unblocking absorption tube body 11, the blocking removal absorption tube body 11 can play a role in protecting and unblocking, the positioning tube body 221 can be limited through the positioning tube body cavity 14, a long water tube 32 can be limited through the long water tube limiting groove 13, workers and ropes can be conveniently connected through the group of hanging rings 12, therefore, the workers can conveniently move the position of the unblocking absorption tube body 11, the plurality of absorption holes 16 are formed in the outer side of the unblocking absorption tube body 11, a plurality of pulse wave excitation holes 17 are formed in the outer side of the positioning tube body, a plurality of pulse wave excitation holes can be conveniently conducted through the first pulse wave excitation holes 223, and the pulse wave excitation holes can be conducted through the pulse wave excitation holes 223.
Preferably, the unblocking absorbing pipe body 11 is fixedly connected with the hanging ring 12, the locating pipe body cavity 14 is matched with the locating pipe body 221, workers can drive the unblocking absorbing pipe body 11 to move on the hanging ring 12 through the rope by fixedly connecting the unblocking absorbing pipe body 11 with the hanging ring 12, and the locating pipe body 221 can be clamped in the locating pipe body cavity 14 through the matching of the locating pipe body cavity 14 and the locating pipe body 221.
Preferably, the second pulse wave excitation hole 223 is matched with the first pulse wave excitation hole 17, the absorption cavity 15 is communicated with the long water pipe limit groove 13, the pulse emitted from the second pulse wave excitation hole 223 can be emitted through the first pulse wave excitation hole 17 through the matching of the second pulse wave excitation hole 223 and the first pulse wave excitation hole 17, and the impurity oil layer in the absorption cavity 15 is extracted through the long water pipe 32 through the mutual communication of the absorption cavity 15 and the long water pipe limit groove 13.
Preferably, the absorption mechanism 3 comprises a water pump 31, a large impurity interception tube 314 and a long water tube 32, wherein a discharge tube orifice 311 is arranged on one side of the water pump 31, a water pump orifice 312 is arranged on the other side of the water pump 31, a positioning base 313 is arranged on the lower side of the water pump 31, a first connector 315 is arranged on one side of the large impurity interception tube 314, a second connector 321 is arranged on one side of the long water tube 32, the second connector 321 is connected with the first connector 315, suction force is generated at the water pump orifice 312 by opening the water pump 31, water is pumped into the absorption cavity 15 through the large impurity interception tube 314 and the long water tube 32, large impurities in an impurity-containing oil layer can be filtered through the large impurity interception tube 314, damage to the water pump 31 is avoided, the water pump 31 can be fixed through the screw rod penetrating the positioning base 313, and accordingly, the water pump 31 can be conveniently used, and an oil layer can be collected through the discharge tube orifice 311 and the water tube.
Preferably, the water pump 31 is fixedly connected with the discharge pipe orifice 311, the water pump 31 is fixedly connected with the water pump orifice 312, the water pump 31 is fixedly connected with the positioning base 313, the water pump 31 can discharge oil layer and impurities through the discharge pipe orifice 311 by fixedly connecting the water pump 31 with the discharge pipe orifice 311, the water pump 31 can suck the oil layer and impurities through the water pump orifice 312 by fixedly connecting the water pump 31 with the water pump orifice 312, and the water pump 31 can be fixed through the positioning base 313 by fixedly connecting the water pump 31 with the positioning base 313.
Preferably, big impurity interception pipe 314 and water pumping mouth 312 swing joint, big impurity interception pipe 314 and first connector 315 fixed connection, long water pipe 32 and second connector 321 fixed connection, second connector 321 and first connector 315 swing joint, long water pipe 32 and long water pipe spacing groove 13 assorted, make the separation that water pumping mouth 312 and big impurity interception pipe 314 can be convenient through big impurity interception pipe 314 and water pumping mouth 312 swing joint, thereby convenient clearance, make big impurity interception pipe 314 can be connected through first connector 315 and second connector 321 through big impurity interception pipe 314 and first connector 315 fixed connection, make long water pipe 32 can be connected through second connector 321 through long water pipe 32 and second connector 321 fixed connection, make the dismantlement big impurity interception pipe 314 that the staff can be convenient through second connector 321 and first connector 315 swing joint, make long water pipe 32 can the inlay in long water pipe spacing groove 13 through long water pipe 32 and long water pipe spacing groove 13 assorted.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The underground fluid self-excitation pressure pulse oscillation blocking remover comprises a blocking removing absorption pipe (1), and is characterized in that an oscillation mechanism (2) and an absorption mechanism (3) are arranged on the upper side of the blocking removing absorption pipe (1), the oscillation mechanism (2) comprises a pulse generator (21) and a positioning pipe (22), one end of the pulse generator (21) is provided with a pulse transmission signal line (212), one side of the pulse generator (21) is provided with a control panel (211), the middle of the pulse transmission signal line (212) is provided with a positioning plug (213), the positioning pipe (22) comprises a positioning pipe body (221), a first external thread head (222) is arranged at the lower end of the positioning pipe body (221), an internal thread ring (225) is arranged on the outer side of the first external thread head (222), a second external thread head (224) is arranged at the upper end of the positioning pipe body (221), and a plurality of rows of second pulse wave excitation perforation holes (223) are formed in the lower end of the outer side of the positioning pipe body (221).
The blocking removal absorption tube (1) comprises a blocking removal absorption tube body (11), a group of hanging rings (12) are arranged at the upper side edge of the blocking removal absorption tube body (11), a positioning tube body cavity (14) is formed in the middle position inside the blocking removal absorption tube body (11), a long water tube limit groove (13) is formed in the inner part of the blocking removal absorption tube body (11) and located at the outer side of the positioning tube body cavity (14), an absorption cavity (15) is formed in the middle of the blocking removal absorption tube body (11), a plurality of absorption holes (16) are formed in the outer side of the absorption cavity (15) of the outer surface of the blocking removal absorption tube body (11), and a plurality of rows of first pulse wave excitation holes (17) are formed in the outer side of the positioning tube body cavity (14) at the lower end of the blocking removal absorption tube body (11); the blocking removal absorption pipe body (11) is fixedly connected with the hanging ring (12), and the positioning pipe body cavity (14) is matched with the positioning pipe body (221); the second pulse wave excitation hole (223) is matched with the first pulse wave excitation hole (17), and the absorption cavity (15) and the long water pipe limit groove (13) are communicated with each other;
the absorption mechanism (3) comprises a water suction pump (31), a large impurity interception tube (314) and a long water tube (32), wherein a discharge tube orifice (311) is arranged on one side of the water suction pump (31), a water suction tube orifice (312) is arranged on the other side of the water suction pump (31), a positioning base (313) is arranged on the lower side of the water suction pump (31), a first connector (315) is arranged on one side of the large impurity interception tube (314), and a second connector (321) is arranged on one side of the long water tube (32); the water pump (31) is fixedly connected with the discharge pipe orifice (311), the water pump (31) is fixedly connected with the water pump pipe orifice (312), and the water pump (31) is fixedly connected with the positioning base (313); big impurity interception pipe (314) and water pumping mouth of pipe (312) swing joint, big impurity interception pipe (314) and first connector (315) fixed connection, long water pipe (32) and second connector (321) fixed connection, second connector (321) and first connector (315) swing joint, long water pipe (32) and long water pipe spacing groove (13) phase-match.
2. The downhole fluid self-excited pressure pulse oscillation blocking remover according to claim 1, wherein the pulse generator (21) is fixedly connected with the control panel (211), the pulse generator (21) is fixedly connected with the pulse transmission signal line (212), and the pulse transmission signal line (212) is fixedly connected with the positioning plug (213).
3. The downhole fluid self-excited pressure pulse oscillation blocking remover according to claim 1, wherein the positioning pipe body (221) is fixedly connected with the first external thread head (222), and the first external thread head (222) is rotatably connected with the internal thread ring (225).
4. A downhole fluid self-excited pressure pulse oscillation unblocking device according to claim 1, wherein the positioning pipe body (221) is fixedly connected with a second external screw thread head (224), and the second external screw thread head (224) is rotatably connected with the positioning plug (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277481.5A CN114687697B (en) | 2022-03-21 | 2022-03-21 | Underground fluid self-excitation pressure pulse oscillation blocking remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277481.5A CN114687697B (en) | 2022-03-21 | 2022-03-21 | Underground fluid self-excitation pressure pulse oscillation blocking remover |
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| Publication Number | Publication Date |
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| CN114687697A CN114687697A (en) | 2022-07-01 |
| CN114687697B true CN114687697B (en) | 2024-03-08 |
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| CN202210277481.5A Active CN114687697B (en) | 2022-03-21 | 2022-03-21 | Underground fluid self-excitation pressure pulse oscillation blocking remover |
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| CN107869342B (en) * | 2016-09-27 | 2020-05-19 | 华中科技大学 | Pipeline scale removal and rock stratum fracturing device based on liquid electric pulse shock wave |
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