CN220336873U - Reverse pulse blocking removal and energy increasing system for stationary production pipe column - Google Patents
Reverse pulse blocking removal and energy increasing system for stationary production pipe column Download PDFInfo
- Publication number
- CN220336873U CN220336873U CN202323408634.4U CN202323408634U CN220336873U CN 220336873 U CN220336873 U CN 220336873U CN 202323408634 U CN202323408634 U CN 202323408634U CN 220336873 U CN220336873 U CN 220336873U
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- pressure
- production
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- capsule
- reverse pulse
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 230000001965 increasing effect Effects 0.000 title claims abstract description 14
- 230000000903 blocking effect Effects 0.000 title abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 6
- 239000002775 capsule Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to the technical field related to petroleum production, and particularly discloses a reverse pulse blocking removal and energy increasing system of a stationary production pipe column, which comprises the following steps: the nitrogen gas car is used for filling high-pressure nitrogen gas into the pulse valve, and the pump truck is connected with the production pipe column and connected with the nitrogen gas car group in parallel. The utility model adopts the pressure nitrogen pulse mode to unblock, does not need to lift the production string and the sand prevention string in the well during unblocking, has little influence on the production of the string, and can realize the effect of increasing production and energy after being injected into the stratum by the gas injection mode.
Description
Technical Field
The utility model relates to the technical field related to petroleum production, in particular to a reverse pulse blocking removal and energy increasing system of a stationary production string.
Background
In the development process of an oil field, in the crude oil extraction process, the stratum energy is continuously reduced, meanwhile, some silt, clay, mineral substances and the like carried by stratum production fluid are simultaneously transported to a near-wellbore zone, so that a wire-wrapped screen pipe or a slit pipe seam is seriously blocked, the fluid supply capacity of an oil well is poor, and the yield is greatly reduced.
The conventional plugging removal process generally needs to be implemented after the production pipe column and the sand prevention pipe column in the well are lifted out, so that the well is stopped for a long time, and the crude oil recovery rate is reduced.
Disclosure of Invention
The utility model aims to provide a reverse pulse blocking removal and energy increasing system of a stationary production string, which aims to solve the problem that the existing blocking removal process provided in the background art needs to lift out the production string and the sand prevention string in a well to stop the well.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a stationary production string reverse pulse unblocking and energizing system comprising: the nitrogen gas car is used for filling high-pressure nitrogen gas into the pulse valve, and the pump truck is connected with the production pipe column and connected with the nitrogen gas car group in parallel.
As a further scheme of the utility model: the utility model provides a reverse pulse of motionless production tubular column is separated stifled system of increasing energy, includes production tubular column, pressure pulse device, nitrogen gas car and pump truck, pressure pulse device is the pressure tank body, is provided with a plurality of pressure chambers in it, adjacent keep apart each other through the baffle group between the pressure chamber and keep apart, be provided with the capsule in the pressure chamber, the capsule with pre-charge the gas that is equipped with certain pressure.
As a further scheme of the utility model: the capsule bottom fixedly connected with connecting rod, connecting rod bottom fixedly connected with fungus shape valve plate, be provided with the through-hole in the baffle group.
As a further scheme of the utility model: the outside of the pressure pulse device is provided with an air inlet cavity connected with the pressure tank body into a whole, an air inlet pipeline is connected to the air inlet cavity, the air inlet pipeline is connected with a nitrogen vehicle, and the air inlet cavity is respectively communicated with each pressure cavity.
As a further scheme of the utility model: the outside of the pressure pulse device is connected with an air outlet pipe corresponding to each pressure cavity, the air outlet pipes are connected to the pressure pipes, and the pressure pipes are connected to the production pipe column.
As a further scheme of the utility model: and electromagnetic valves are arranged on the air outlet pipes.
As a further scheme of the utility model: the volume of the capsule is one half to three quarters of the volume of the pressure chamber.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the pressure nitrogen pulse mode to unblock, does not need to lift the production string and the sand prevention string in the well during unblocking, has little influence on the production of the string, and can realize the effect of increasing production and energy after being injected into the stratum by the gas injection mode.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a pressure pulse apparatus according to a second embodiment of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
In the figure, 1, a production pipe column; 2. a pulse valve; 3. a nitrogen vehicle; 4. a pump truck; 5. a pressure pulse device; 51. a pressure chamber; 52. a capsule; 521. a connecting rod; 522. a mushroom valve plate; 53. a separator group; 531. a through hole; 54. an air intake line; 55. an air inlet cavity; 56. an air outlet pipe; 561. an electromagnetic valve; 57. pressure pipes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment of the present utility model, a reverse pulse blocking removal and energy increasing system for a production string includes: the nitrogen gas car 3 is used for filling high-pressure nitrogen gas into the pulse valve 2, the pump truck 4 is connected with the production pipe column 1 and connected with the nitrogen gas car group in parallel.
When the blocking is removed, the specific process comprises the following construction steps:
(1) Extruding the mixed solution of the hot sewage and the chemical agent into the production pipe column 1 through the pump truck 4;
(2) The nitrogen vehicle 3 extrudes high-pressure nitrogen into the pulse valve 2, the pulse valve 2 is opened to release the pressure instantly to perform pulse unblocking after the pressure reaches 8-10MPa, and the unblocking is repeated for a plurality of times;
(3) The pump truck 4 squeezes into the hot sewage 2 again (recording pressure drop parameters);
(4) Repeating the steps 2 and 3 times until the pressure drop parameters are qualified.
The nitrogen vehicle 3 injects high-pressure gas into the annular space of the sleeve and the oil pipe, after a certain pressure is reached, the pulse valve 2 is opened to instantly release the pressure, a very high pressure difference is caused in the stratum, fluid pressed into the stratum is flushed to the bottom of the well at a very high flow velocity, fluid induced vibration is generated when the fluid flows around the cylinder at a high speed, scale and blockage in the stratum are separated from original attachments by the vibration, and the scale and the blockage flow to the bottom of the well together with the fluid, so that the stratum blockage is relieved.
After a large amount of nitrogen is squeezed into the stratum, a certain amount of energy can be supplied to the stratum to realize the stratum energy increasing and yield increasing effects.
The pulse valve 2 can adopt a remote control electromagnetic valve and the like to realize remote blocking removal operation.
In the second embodiment, as shown in fig. 2 and 3, the reverse pulse blocking removal and energy increasing system of the production string comprises a production string 1, a pressure pulse device 5, a nitrogen vehicle 3 and a pump vehicle 4, wherein the pressure pulse device 5 is respectively connected with the production string 1 and the nitrogen vehicle 3, specifically, the pressure pulse device 5 is a pressure tank body, a plurality of pressure cavities 51 are arranged in the pressure pulse device, adjacent pressure cavities 51 are isolated and isolated from each other through a partition plate group 53, the pressure cavities 51 are not communicated with each other, a capsule 52 is arranged in each pressure cavity 51, the capsule 52 is pre-filled with nitrogen or other gas with a certain pressure, the volume of the capsule 52 is about one half to three quarters of the volume of the pressure cavities 51, a connecting rod 521 is fixedly connected to the bottom end of the capsule 52, a fungus-shaped valve plate 522 is fixedly connected to the bottom end of the connecting rod 521, and a through hole 531 is arranged in the partition plate group 53;
the outside of the pressure pulse device 5 is provided with an air inlet cavity 55 connected with the pressure tank body integrally, an air inlet pipeline 54 is connected to the air inlet cavity 55, the air inlet pipeline 54 is connected with the nitrogen vehicle 3, the air inlet cavity 55 is respectively communicated with each pressure cavity 51, an air outlet pipe 56 is connected to each pressure cavity 51 corresponding to each pressure cavity 51 on the outside of the pressure pulse device 5, the air outlet pipes 56 are connected to the pressure pipe 57, the pressure pipe 57 is connected to the production pipe column 1, and electromagnetic valves 561 are arranged on the air outlet pipes 56.
Compared with the first embodiment, the pressure pulse device 5 is adopted to replace the pulse valve 2, the pressure cavity 51 in the pressure pulse device 5 is used for storing pressure nitrogen, the nitrogen vehicle 3 is used for injecting air into each pressure cavity 51 for pressurization, the capsule 52 is compressed for improving the air pressure of the pressure cavity 51, meanwhile, the capsule 52 is used for pulling the fungus-shaped valve plate 522 to move until the through holes 531 in the partition plate group 53 are plugged to realize pressure maintaining, the nitrogen vehicle 3 is stopped, the air inlet pipeline 54 is stopped, the electromagnetic valve 561 on the air control pipe 56 is opened when the plugging is needed to be removed, and the pressure nitrogen is released into the pipe column instantly to realize plugging removal. Compared with the first embodiment, the pressure pulse device 5 in the present embodiment can be pre-filled with nitrogen during production, and the pressure chambers 51 are released one by one during plugging, so that the plugging can be repeatedly removed for a plurality of times in a short time, and the normal production of the pipe column is less affected. While in the first embodiment, the air is pumped and then unblocked after blocking, and the repeated operation takes a long time.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a reverse pulse unblock of stationary production tubular column system of increasing energy which characterized in that: including production tubular column (1), pressure pulse device (5), nitrogen gas car (3) and pump truck (4), pressure pulse device (5) are the pressure tank body, are provided with a plurality of pressure chambers (51) in it, and is adjacent keep apart through baffle group (53) each other between pressure chambers (51), be provided with capsule (52) in pressure chambers (51), capsule (52) are with the gas that is equipped with certain pressure in advance.
2. The stationary production string reverse pulse unblocking and energizing system according to claim 1, wherein: the capsule is characterized in that a connecting rod (521) is fixedly connected to the bottom end of the capsule (52), a fungus-shaped valve plate (522) is fixedly connected to the bottom end of the connecting rod (521), and a through hole (531) is formed in the partition plate group (53).
3. The stationary production string reverse pulse unblocking and energizing system according to claim 2, wherein: the pressure pulse device is characterized in that an air inlet cavity (55) connected with the pressure tank body into a whole is arranged on the outer side of the pressure pulse device (5), an air inlet pipeline (54) is connected to the air inlet cavity (55), the air inlet pipeline (54) is connected with the nitrogen vehicle (3), and the air inlet cavity (55) is respectively communicated with each pressure cavity (51).
4. A stationary production string reverse pulse unblocking and energizing system according to claim 3, wherein: and an air outlet pipe (56) is connected to the outer side of the pressure pulse device (5) corresponding to each pressure cavity (51), the air outlet pipes (56) are connected to a pressure pipe (57), and the pressure pipe (57) is connected to the production pipe column (1).
5. The system for reverse pulse unblocking and energy increasing of a stationary production string according to claim 4, wherein: solenoid valves (561) are arranged on the air outlet pipes (56).
6. The stationary production string reverse pulse unblocking and energizing system according to claim 5, wherein: the volume of the capsule (52) is one half to three quarters of the volume of the pressure chamber (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323408634.4U CN220336873U (en) | 2023-12-14 | 2023-12-14 | Reverse pulse blocking removal and energy increasing system for stationary production pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323408634.4U CN220336873U (en) | 2023-12-14 | 2023-12-14 | Reverse pulse blocking removal and energy increasing system for stationary production pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220336873U true CN220336873U (en) | 2024-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323408634.4U Active CN220336873U (en) | 2023-12-14 | 2023-12-14 | Reverse pulse blocking removal and energy increasing system for stationary production pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220336873U (en) |
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2023
- 2023-12-14 CN CN202323408634.4U patent/CN220336873U/en active Active
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