CN114687697A - Underground fluid self-excitation pressure pulse oscillation blockage removing device - Google Patents
Underground fluid self-excitation pressure pulse oscillation blockage removing device Download PDFInfo
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- CN114687697A CN114687697A CN202210277481.5A CN202210277481A CN114687697A CN 114687697 A CN114687697 A CN 114687697A CN 202210277481 A CN202210277481 A CN 202210277481A CN 114687697 A CN114687697 A CN 114687697A
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- absorption
- positioning
- blockage removing
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- 239000012530 fluid Substances 0.000 title claims abstract description 26
- 230000010355 oscillation Effects 0.000 title claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 75
- 239000012535 impurity Substances 0.000 claims description 35
- 230000005284 excitation Effects 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 7
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
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- 235000006085 Vigna mungo var mungo Nutrition 0.000 description 1
- 240000005616 Vigna mungo var. mungo Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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Images
Classifications
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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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
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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
- 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
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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
- 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
Abstract
The invention relates to the technical field of pulse oscillation blockage removal, and discloses a downhole fluid self-excited pressure pulse oscillation blockage removal device which comprises a blockage removal absorption pipe, wherein an oscillation mechanism and an absorption mechanism are arranged on the upper side of the blockage 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 line, one side of the pulse generator is provided with an operation panel, and the middle of the pulse transmission signal line is provided with a positioning plug. According to the invention, the pulse generator is opened 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 radiated out through a plurality of rows of second pulse wave radiation holes formed in the lower end of the outer side of the positioning pipe body, the near-wellbore region oil layer polluted at the periphery is unblocked, the permeability of the near-wellbore region oil layer is increased, and the oil well yield is improved.
Description
Technical Field
The invention relates to the technical field of pulse oscillation blockage removal, in particular to a self-excited pressure pulse oscillation blockage removal device for underground fluid.
Background
Oil in nature is typically stored in subterranean reservoirs, which are rock formations having reservoir spaces that store and allow hydrocarbons to pass therethrough. Oil recovery refers to the process and manner in which hydrocarbons in a reservoir flow from the reservoir into the bottom of the well and are lifted from the bottom of the well to the top of the well. A common method of recovery is by direct displacement with another medium in the form of a displacement fluid, usually water, or gas. Displacement fluids enter the injection well and are injected into the reservoir rock under pressure, often requiring various stimulation operations to be performed when the productivity of the well is low. At present, most oil fields in China enter the middle and later development stages. In the development stage, the oil field generally has the characteristics of high oil production speed, high production degree, high water content, low daily production of a single well, low formation pressure and low well bore dynamic liquid level. With the increase of development difficulty, the measure effect is worse and worse, the potential excavation capacity is smaller and smaller, and particularly, the development of low-permeability oil reservoirs is more difficult.
However, most of the existing workers adopt single blockage removal process measures such as acidification and fracturing, and the method has the defects of short effective action distance, incomplete discharge of bottom-hole residual liquid and impurities or incapability of discharging the residual liquid and the impurities due to non-reaction with certain blockage substances, and the like, and cannot effectively play a blockage removal role. Accordingly, one skilled in the art provides a downhole fluid self-excited pressure pulse oscillation plugging removal device to solve the above problems in the background art.
Disclosure of Invention
The invention aims to provide a downhole fluid self-excitation pressure pulse oscillation blockage removing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a stifled device is separated in shock of underground fluid self-excited pressure pulse, is including separating stifled absorption tube, the upside of separating stifled absorption tube is provided with vibrates mechanism and absorption mechanism, it includes impulse generator and registration arm to vibrate the mechanism, impulse generator's one end is provided with pulse transmission signal line, one side of impulse generator is provided with controls the panel, the centre of pulse transmission signal line is provided with the location end cap, the registration arm includes the registration arm body, the lower extreme of registration arm 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 registration arm 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 registration arm body outside.
As a still further scheme 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 a still further scheme of the invention: the positioning pipe body is fixedly connected with the first external thread head, and the first external thread head is rotatably connected with the internal thread ring.
As a still further scheme of the invention: the positioning pipe body is fixedly connected with the second external thread head, and the second external thread head is rotatably connected with the positioning plug.
As a still further scheme of the invention: the blockage removing absorption tube comprises a blockage removing absorption tube body, a group of hanging rings are arranged at the edge of the upper side of the blockage removing absorption tube body, the middle position inside the blockage removing absorption tube body is provided with a positioning tube body cavity, the outer side, located in the positioning tube body cavity, of the blockage removing absorption tube body is provided with a long water pipe limiting groove, an absorption cavity is formed in the middle of the blockage removing absorption tube body, the outer surface of the blockage removing absorption tube body is located on the outer side of the absorption cavity and provided with a plurality of absorption holes, and the outer side, located in the positioning tube body cavity, of the lower end of the blockage removing absorption tube body is provided with a plurality of rows of first pulse wave-excited holes.
As a still further scheme of the invention: the blockage removing absorption tube body is fixedly connected with the hanging ring, and the cavity of the positioning tube body is matched with the positioning tube body.
As a still further scheme of the invention: the second pulse wave shock hole is matched with the first pulse wave shock hole, and the absorption cavity is communicated with the long water pipe limiting groove.
As a still further scheme of the invention: absorption mechanism includes suction pump, big impurity interception pipe and long water pipe, one side of suction pump is provided with the discharge mouth of pipe, the opposite side of suction pump is provided with the suction pipe mouth, the downside of suction pump is provided with the location base, one side of big impurity interception pipe is provided with first connector, one side of long water pipe is provided with the second connector.
As a still further scheme of the invention: suction pump and discharge pipe mouth fixed connection, suction pump and drinking-water pipe mouth fixed connection, suction pump and location base fixed connection.
As a still further scheme of the invention: big impurity intercepting pipe and drinking-water pipe mouth swing joint, big impurity intercepting 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. make pulse signal pass through pulse transmission signal line and convey the end through opening impulse generator, thereby can adjust impulse generator through controlling the panel and make the pulse size can adjust, when the pulse reachd the end, a plurality of rows of second pulse wave lasing holes that the pulse was seted up through registration arm body outside lower extreme lased away, remove stifled to the contaminated near-wellbore area oil reservoir of periphery, increase the permeability of near-wellbore area oil reservoir, improve oil well output, inlay through the rotation of location end cap and can carry out the shutoff to the one end of registration arm body on the second external thread head, inlay through the internal thread circle is rotatory and can carry out the shutoff to the other end of registration arm body on the first external thread head, can be so that the registration arm body is fixed in the inboard of this body cavity of registration arm simultaneously, avoid the registration arm to remove the circumstances that stifled absorption tube takes place the separation.
2. Can play the protection and relieve stifled effect through relieving stifled absorption tube body, can carry on spacingly to the positioning tube body through positioning tube body chamber, can carry on spacingly to long water pipe through long water pipe spacing groove, can make things convenient for staff and rope to connect through a set of link, thereby make the convenient removal of staff relieve the position of stifled absorption tube body, 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 laser jet holes mashes away through a plurality of rows of first pulse wave laser jet holes, thereby relieve the stifled to the oil reservoir.
3. Connect second connector and first connector, can make drinking-water pipe mouth department produce suction through opening the suction pump, draw water to the absorption cavity behind big impurity intercepting pipe and the long water pipe, can make external oil reservoir flow in through a plurality of absorption hole, can filter the intraformational big impurity of impurity-containing oil through big impurity intercepting pipe, avoid causing the damage to the suction pump, it can fix the suction pump to run through the location base through the screw rod, thereby facilitate the use, can collect the impurity oil reservoir through the external drainage mouth of pipe and water pipe.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic structural diagram of a downhole fluid self-excitation pressure pulse oscillation blockage removal device;
FIG. 2 is a schematic diagram of an exploded structure of a downhole fluid self-excited pressure pulse oscillation blockage removal device;
FIG. 3 is a schematic structural diagram of an oscillating mechanism in a downhole fluid self-excited pressure pulse oscillation blockage removal device;
FIG. 4 is a schematic structural diagram of a positioning tube in the downhole fluid self-excitation pressure pulse oscillation blockage removal device;
FIG. 5 is a schematic structural diagram of a deblocking absorption tube in a downhole fluid self-excited pressure pulse oscillation deblocking device;
fig. 6 is a schematic structural diagram of an absorption mechanism in the downhole fluid self-excitation pressure pulse oscillation blockage removal device.
In the figure: 1. unblocking the absorption pipe; 11. unblocking the absorption pipe body; 12. hanging a ring; 13. a long water pipe limiting groove; 14. positioning the tube body cavity; 15. an absorption chamber; 16. an absorption hole; 17. a first pulse wave-excited hole; 2. a vibrating mechanism; 21. a pulse generator; 211. a control panel; 212. a pulse transfer signal line; 213. positioning a plug; 22. a positioning tube; 221. a positioning tube body; 222. a first externally threaded head; 223. the second pulse wave excites the hole; 224. a second external thread start; 225. an internal thread ring; 3. an absorbing mechanism; 31. a water pump; 311. a discharge nozzle; 312. a water pumping pipe opening; 313. positioning a base; 314. a large impurity intercepting pipe; 315. a first connector; 32. a long water pipe; 321. a second connector.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a downhole fluid self-excited pressure pulse oscillation deblocking device includes a deblocking absorbing pipe 1, an oscillation mechanism 2 and an absorbing mechanism 3 are disposed on an upper side of the deblocking 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 disposed with a pulse transmission signal line 212, one side of the pulse generator 21 is disposed with a control panel 211, a positioning plug 213 is disposed in the middle of the pulse transmission signal line 212, the positioning pipe 22 includes a positioning pipe body 221, a lower end of the positioning pipe body 221 is disposed with a first external thread head 222, an outer side of the first external thread head 222 is disposed with an internal thread ring 225, an upper end of the positioning pipe body 221 is disposed with a second external thread head 224, a lower end of the outer side of the positioning pipe body 221 is disposed with a plurality of rows of second pulse wave excitation holes 223, a pulse signal is transmitted to a terminal end through the pulse transmission signal line 212 by opening the pulse generator 21, thereby can adjust impulse generator 21 through control panel 211 and make the pulse size can be adjusted, when the pulse reachd the end, a plurality of rows of second pulse wave shock holes 223 that the pulse was seted up through registration arm body 221 outside lower extreme lased out, near-wellbore area oil reservoir polluted in periphery is separated stifled, increase the permeability of near-wellbore area oil reservoir, improve oil well output, it can carry out the shutoff to the one end of registration arm body 221 to inlay through location end cap 213 is rotatory on second external thread head 224, inlay through internal thread circle 225 is rotatory can carry out the shutoff to the other end of registration arm body 221 on inlaying first external thread head 222, can make registration arm body 221 fixed in the inboard of this 14 of registration arm simultaneously, avoid registration arm 22 to separate the circumstances that takes place for stifled absorption tube 1.
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 generator 21 is fixedly connected with the pulse transmission signal line 212, so that a pulse signal can be transmitted through the pulse transmission signal line 212, and the pulse transmission signal line 212 is fixedly connected with the positioning plug 213, so that the pulse transmission signal line 212 cannot be separated from the positioning plug 213.
Preferably, the positioning pipe body 221 and the first external thread head 222 are fixedly connected, the first external thread head 222 and the internal thread ring 225 are rotatably connected, one end of the positioning pipe body 221 can be plugged through the first external thread head 222 by fixedly connecting the positioning pipe body 221 and the first external thread head 222, and the first external thread head 222 and the internal thread ring 225 are rotatably connected to each other by connecting the first external thread head 222 and the internal thread ring 225.
Preferably, the positioning pipe body 221 is fixedly connected with the second external thread head 224, the second external thread head 224 is rotatably connected with the positioning plug 213, the positioning pipe body 221 and the second external thread head 224 are fixedly connected, so that a worker can plug one end of the positioning pipe body 221 through the second external thread head 224, and the second external thread head 224 and the positioning plug 213 are rotatably connected so that the worker can connect the second external thread head 224 with the positioning plug 213.
Preferably, the deblocking absorption tube 1 comprises a deblocking absorption tube body 11, a group of hanging rings 12 are arranged at the edge of the upper side of the deblocking absorption tube body 11, a positioning tube body cavity 14 is arranged at the middle position inside the deblocking absorption tube body 11, a long water tube limiting groove 13 is arranged at the outer side of the positioning tube body cavity 14 inside the deblocking absorption tube body 11, an absorption cavity 15 is arranged in the middle of the deblocking absorption tube body 11, a plurality of absorption holes 16 are arranged at the outer side of the absorption cavity 15 on the outer surface of the deblocking absorption tube body 11, a plurality of rows of first pulse wave shock holes 17 are arranged at the outer side of the positioning tube body cavity 14 at the lower end of the deblocking absorption tube body 11, the blocking of the deblocking absorption tube body 11 can be protected and deblocked, the positioning tube body 221 can be limited by the positioning tube body cavity 14, the long water tube 32 can be limited by the long water tube limiting groove 13, can make things convenient for staff and rope to connect through a set of link 12 to make the convenient removal of staff to separate the position of stifled absorption tube body 11, can absorb the oil reservoir that contains impurity through a plurality of absorption hole 16 and absorption chamber 15, can make things convenient for the pulse that a plurality of rows of second pulse wave shock holes 223 were shone out to derive through a plurality of rows of first pulse wave shock holes 17, thereby separate stifled to the oil reservoir.
Preferably, unblocking absorbent tube body 11 and link 12 fixed connection, this body cavity of registration arm 14 and registration arm body 221 phase-match make the staff can drive through the rope system and unblock absorbent tube body 11 and remove on link 12 through unblocking absorbent tube body 11 and link 12 fixed connection, make registration arm body 221 can inlay the card in this body cavity of registration arm 14 through this body cavity of registration arm 14 and registration arm body 221 phase-match.
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 limiting groove 13, pulses emitted from the second pulse wave excitation hole 223 can be emitted through the first pulse wave excitation hole 17 by matching the second pulse wave excitation hole 223 with 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 by mutually communicating the absorption cavity 15 with the long water pipe limiting groove 13.
Preferably, the absorption mechanism 3 comprises a water pump 31, a large impurity intercepting pipe 314 and a long water pipe 32, one side of the water pump 31 is provided with a discharge pipe opening 311, the other side of the water pump 31 is provided with a water pumping pipe opening 312, the lower side of the water pump 31 is provided with a positioning base 313, one side of the large impurity intercepting pipe 314 is provided with a first connector 315, one side of the long water pipe 32 is provided with a second connector 321, the second connector 321 is connected with the first connector 315, the water pumping pipe opening 312 can generate suction force by opening the water pump 31, the absorption cavity 15 is pumped after passing through the large impurity intercepting pipe 314 and the long water pipe 32, an external oil layer can flow in through the absorption holes 16, large impurities in the oil layer containing the impurities can be filtered through the large impurity intercepting pipe 314, damage to the water pump 31 is avoided, the water pump 31 can be fixed by penetrating through the positioning base 313 by a screw rod, thereby facilitate the use, can be with collecting the impurity oil reservoir through discharge pipe 311 and water piping external.
Preferably, the water suction pump 31 is fixedly connected with the discharge pipe port 311, the water suction pump 31 is fixedly connected with the water suction pipe port 312, the water suction pump 31 is fixedly connected with the positioning base 313, the water suction pump 31 is enabled to discharge oil layers and impurities through the discharge pipe port 311 by fixedly connecting the water suction pump 31 with the discharge pipe port 311, the water suction pump 31 is enabled to pump oil layers and impurities through the water suction pipe port 312 by fixedly connecting the water suction pump 31 with the water suction pipe port 312, and the water suction pump 31 is enabled to be fixed through the positioning base 313 by fixedly connecting the water suction pump 31 with the positioning base 313.
Preferably, the large impurity intercepting pipe 314 is movably connected with the pumping pipe port 312, the large impurity intercepting pipe 314 is fixedly connected with the first connector 315, the long water pipe 32 is fixedly connected with the second connector 321, the second connector 321 is movably connected with the first connector 315, the long water pipe 32 is matched with the long water pipe limiting groove 13, the pumping pipe port 312 and the large impurity intercepting pipe 314 can be conveniently separated through the movable connection of the large impurity intercepting pipe 314 and the pumping pipe port 312, so that the cleaning is convenient, the large impurity intercepting pipe 314 can be connected with the second connector 321 through the first connector 315 and the fixed connection of the large impurity intercepting pipe 314 and the first connector 315, the long water pipe 32 can be connected with the second connector 321 through the fixed connection of the long water pipe 32 and the second connector 321, the large impurity intercepting pipe 314 can be conveniently disassembled by a worker through the movable connection of the second connector 321 and the first connector 315, the long water pipe 32 can be clamped in the long water pipe limiting groove 13 by matching the long water pipe 32 with the long water pipe limiting groove 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. The utility model provides a stifled device is separated in shock of underground fluid self-excitation pressure pulse, includes and separates stifled absorption tube (1), its characterized in that, the upside of separating stifled absorption tube (1) is provided with vibrates mechanism (2) and absorption mechanism (3), vibrate mechanism (2) including impulse generator (21) and registration arm (22), the one end of impulse generator (21) is provided with pulse transmission signal line (212), one side of impulse generator (21) is provided with controls panel (211), the centre of pulse transmission signal line (212) is provided with location end cap (213), registration arm (22) include registration arm body (221), the lower extreme of registration arm body (221) is provided with first external screw thread head (222), the outside of first external screw thread head (222) is provided with interior thread circle (225), the upper end of registration arm body (221) is provided with second external screw thread head (224), the lower end of the outer side of the positioning pipe body (221) is provided with a plurality of rows of second pulse wave excitation holes (223).
2. The self-excited pressure pulse oscillation blockage removing device for the downhole fluid as claimed in claim 1, wherein the pulse generator (21) is fixedly connected with the control panel (211), the pulse generator (21) is fixedly connected with a pulse transmission signal line (212), and the pulse transmission signal line (212) is fixedly connected with the positioning plug (213).
3. A self-excited pressure pulse oscillation deblocking device for downhole fluids according to claim 1, characterized in that, the positioning pipe body (221) is fixedly connected with a first external thread head (222), and the first external thread head (222) is rotatably connected with an internal thread ring (225).
4. The device for releasing downhole fluid from shock by self-excitation pressure pulse according to claim 1, wherein the positioning tube body (221) is fixedly connected with the second external thread head (224), and the second external thread head (224) is rotatably connected with the positioning plug (213).
5. The downhole fluid self-excited pressure pulse oscillation blockage removal device of claim 1, it is characterized in that the blockage removing absorption pipe (1) comprises a blockage removing absorption pipe body (11), a group of hanging rings (12) are arranged at the edge of the upper side of the blockage removing absorption pipe body (11), a positioning tube body cavity (14) is arranged in the middle of the inner part of the blockage removing absorption tube body (11), a long water pipe limiting groove (13) is arranged on the outer side of the positioning pipe body cavity (14) in the blockage removing absorption pipe body (11), an absorption cavity (15) is arranged in the middle of the blockage removing absorption tube body (11), a plurality of absorption holes (16) are arranged on the outer surface of the blockage removing absorption pipe body (11) and positioned on the outer side of the absorption cavity (15), the lower end of the blockage removing absorption tube body (11) is positioned on the outer side of the positioning tube body cavity (14) and is provided with a plurality of rows of first pulse wave excitation holes (17).
6. The self-excited pressure pulse oscillation blockage removing device for the downhole fluid as claimed in claim 5, wherein the blockage removing 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).
7. The self-excited pressure pulse oscillation blockage removing device for the downhole fluid as claimed in claim 5, wherein the second pulse wave excitation hole (223) is matched with the first pulse wave excitation hole (17), and the absorption cavity (15) is communicated with the long water pipe limiting groove (13).
8. The device for releasing blockage by self-excited pressure pulse shock of downhole fluid according to claim 1, wherein the absorption mechanism (3) comprises a water suction pump (31), a large impurity intercepting pipe (314) and a long water pipe (32), one side of the water suction pump (31) is provided with a discharge pipe orifice (311), the other side of the water suction pump (31) is provided with a water suction pipe orifice (312), the lower side of the water suction pump (31) is provided with a positioning base (313), one side of the large impurity intercepting pipe (314) is provided with a first connector (315), and one side of the long water pipe (32) is provided with a second connector (321).
9. The downhole fluid self-excitation pressure pulse oscillation blockage removing device as claimed in claim 8, wherein the water suction pump (31) is fixedly connected with the discharge pipe orifice (311), the water suction pump (31) is fixedly connected with the water suction pipe orifice (312), and the water suction pump (31) is fixedly connected with the positioning base (313).
10. The downhole fluid self-excitation pressure pulse oscillation blockage removing device as claimed in claim 8, wherein the large impurity intercepting pipe (314) is movably connected with a water pumping pipe orifice (312), the large impurity intercepting pipe (314) is fixedly connected with a first connector (315), the long water pipe (32) is fixedly connected with a second connector (321), the second connector (321) is movably connected with the first connector (315), and the long water pipe (32) is matched with the long water pipe limiting groove (13).
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CN202210277481.5A CN114687697B (en) | 2022-03-21 | 2022-03-21 | Underground fluid self-excitation pressure pulse oscillation blocking remover |
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