CN212441062U - Novel microbubble workover fluid generation device - Google Patents
Novel microbubble workover fluid generation device Download PDFInfo
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- CN212441062U CN212441062U CN202021562730.8U CN202021562730U CN212441062U CN 212441062 U CN212441062 U CN 212441062U CN 202021562730 U CN202021562730 U CN 202021562730U CN 212441062 U CN212441062 U CN 212441062U
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Abstract
The invention discloses a novel micro-bubble workover fluid generating device, which relates to the technical field of workover fluid generating devices and comprises a plurality of micro-bubble units which are connected in series, wherein each micro-bubble unit comprises two micro-bubble generator components which are connected end to end, each micro-bubble generator component comprises a gas dissolving pipe and a micro-bubble generator arranged in the gas dissolving pipe, the side walls of the left end and the right end of the gas dissolving pipe are respectively provided with a liquid inlet and a liquid outlet which are communicated with the inside of the gas dissolving pipe, the liquid inlet and the liquid outlet are respectively provided with a liquid inlet valve and a liquid outlet valve, the left end and the right end of the gas dissolving pipe are respectively provided with a gas inlet which is communicated with the micro-bubble generator in the gas dissolving pipe, the gas inlet is provided with a gas inlet; the invention has the advantages of high foam generation speed, small foam diameter, high effective microbubble content, capability of circulating construction operation, prolonged half-life period and higher production efficiency.
Description
Technical Field
The invention relates to the technical field of workover fluid generation devices, in particular to the technical field of a novel micro-bubble workover fluid generation device.
Background
Currently, a variety of workover fluid process technologies have been developed, such as water-based, oil-based, foam, mist, and gas. In the process of oil and gas exploration and development, stratum energy depletion is more and more serious in large oil and gas fields at home and abroad, particularly old oil areas due to long-term development, and the technical problems of rapid reduction of stratum pressure coefficient, serious well leakage, stratum heterogeneity and the like exist, so that the common well repairing liquid is difficult to construct. This series of problems has severely affected the implementation of workover measures.
At present, the problems of large leakage of active water and great damage to stratum exist in the well repairing operation of a low-pressure gas well, the complexity of the operation is increased, and the effect of the complex production is influenced; 2. although the foam liquid can reduce the pressure of a liquid column in a shaft and further reduce the leakage of a stratum, the particle size of the foam liquid is larger, the half-life period is shorter, and only a few hours exist, so that a liquid phase in the working fluid can be rapidly gathered at the bottom of a well and leaks into the stratum; 3. the construction friction is large; 4. during construction, the water feeding effect of the pump injection equipment is poor; 5. construction under the conditions of deep wells and high-temperature leakage wells cannot be met; 6. the content of effective microbubbles is low, and the self-repairing capability of the microfoam is weak; 7. the common foam working solution can only be operated in a single process and in a short time, cannot realize circulation operation and has low foam generation rate.
Based on the defects that the particle size of generated foam is large and uneven and the half-life period is short in the existing foam workover fluid generation device, how to improve the foam workover fluid generation device is to miniaturize the particle size of the foam, reduce the density of the foam and prolong the half-life period, so that the technical requirements of low-pressure gas well workover operation are met, and the technical problem to be solved by technical personnel in the field is solved urgently.
Disclosure of Invention
The invention aims to: the invention provides a novel micro-bubble workover fluid generating device, which aims to solve the technical problems of large and uneven particle size and short half-life period of foam generated by the foam workover fluid generating device.
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a novel microbubble workover fluid generating device, includes the little foaming unit of a plurality of series connections, every little foaming unit includes two end to end's microbubble generator assembly, and every microbubble generator assembly all includes the dissolved air pipe and sets up at the inside microbubble generator of dissolved air pipe, be provided with respectively on the lateral wall at both ends about the dissolved air pipe with the inlet and the liquid outlet of the inside intercommunication of dissolved air pipe, be provided with feed liquor valve and play liquid valve on inlet and the liquid outlet respectively, both ends all are provided with the air inlet with the inside microbubble generator intercommunication of dissolved air pipe about the dissolved air pipe, are provided with the admission valve on the air inlet, the import department of dissolved air pipe is provided with the efflux integrator.
Preferably, the liquid inlet and the liquid outlet of the gas dissolving pipe are both provided with a dynamic and static ring seal, and the liquid outlet and the liquid inlet of the two gas dissolving pipes of the same micro-foaming unit are communicated with each other.
Preferably, the left end and the right end of the micro-bubble generator are connected with a fixer for fixing the micro-bubble generator in the dissolved air tube
More preferably, the diameter of the gas dissolving pipe is 8 cm-20 cm.
Preferably, the microbubble generator is a foaming pipe with the diameter of 2-10 mm, and a plurality of microbubble outlets are formed in the side face of the foaming pipe.
Preferably, a plurality of micro-bubble outlets with the aperture of 60-100 um are densely distributed on the periphery of the foaming pipe.
The invention has the following beneficial effects:
air enters the micro-bubble generator from two ends of the micro-bubble generator, and the air and the wall of the micro-bubble generator in the micro-bubble generator enter the air dissolving pipe through the outlet of the micro-bubble generator in a high-speed jet flow and multi-stage shearing mode. The microbubbles entering the gas-dissolving tube enter the jet integrator with the liquid. Two groups of the same microbubble generators are connected to form one microbubble generating unit, and two or more microbubble generating units can be connected. The air jet shearing rate and the foam quality are controlled by the air inlet valve, and the liquid density is adjusted and controlled by the liquid inlet valve and the air inlet valve. Finally, the microbubble solution passes through the outlet of the gas dissolving pipe; therefore, the invention has the advantages of simple operation, easy maintenance, high foam generation speed, small foam diameter, high effective micro-bubble content and recyclable construction operation; meanwhile, the foam workover fluid generation device can rapidly miniaturize the foam particle size, reduce the density of the foam fluid, prolong the half-life period, has higher production efficiency and can well meet the technical requirements of low-pressure gas well workover operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals: 1-liquid inlet valve, 2-gas dissolving tube, 3-microbubble generator, 4-liquid outlet valve and 5-gas inlet valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.
Example 1
As shown in fig. 1, this embodiment provides a novel microbubble workover fluid generating device, the microfoaming unit including a plurality of series connections, every microfoaming unit includes two end to end's microbubble generator components, every microbubble generator component all includes gas dissolving pipe 2 and sets up at gas dissolving pipe 2 inside microbubble generator 3, be provided with respectively on the lateral wall at both ends about gas dissolving pipe 2 with the inlet and the liquid outlet of 2 inside intercommunications of gas dissolving pipe, be provided with feed liquor valve 1 and liquid valve 4 on inlet and the liquid outlet respectively, both ends all are provided with the air inlet with 2 inside microbubble generators 3 intercommunications of gas dissolving pipe about gas dissolving pipe 2, are provided with admission valve 5 on the air inlet, the import department of gas dissolving pipe 2 is provided with the efflux integrator.
When the device works, air enters the micro-bubble generator from two ends of the micro-bubble generator, and the air and the wall of the micro-bubble generator in the micro-bubble generator enter the air dissolving pipe through the outlet of the micro-bubble generator in a high-speed jet flow and multi-stage shearing mode. The microbubbles entering the gas-dissolving tube enter the jet integrator with the liquid. Two groups of the same microbubble generators are connected to form one microbubble generating unit, and two or more microbubble generating units can be connected. The air jet shearing rate and the foam quality are controlled by the air inlet valve, and the liquid density is adjusted and controlled by the liquid inlet valve and the air inlet valve. The final microbubble solution passes through the outlet of the tracheostomy tube.
The foam quality is the stable and effective micro-foam content stored in the system before operation.
EXAMPLE 2
The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:
the liquid inlet and the liquid outlet of the gas dissolving pipe 2 are both provided with a dynamic ring seal and a static ring seal, and the liquid outlets and the liquid inlets of the two gas dissolving pipes 2 of the same micro-foaming unit are communicated with each other.
The left end and the right end of the micro-bubble generator 3 are both connected with a fixer for fixing the micro-bubble generator 3 in the gas dissolving pipe 2
The diameter of the gas dissolving pipe 2 is 8 cm-20 cm.
The microbubble generator 3 is a foaming pipe with the diameter of 2-10 mm, and a plurality of microbubble outlets are formed in the side face of the foaming pipe.
A plurality of microbubble outlets with the aperture of 60-100 um are densely distributed on the periphery of the foaming pipe.
Claims (6)
1. The utility model provides a novel microbubble workover fluid generating device, includes the microfoaming unit of a plurality of series connections, its characterized in that, every microfoaming unit includes two end to end's microbubble generator subassembly, and every microbubble generator subassembly all includes dissolved air pipe (2) and sets up microbubble generator (3) inside dissolved air pipe (2), be provided with respectively on the lateral wall at both ends about dissolved air pipe (2) with the inlet and the liquid outlet of the inside intercommunication of dissolved air pipe (2), be provided with feed liquor valve (1) and play liquid valve (4) on inlet and the liquid outlet respectively, both ends all are provided with the air inlet with dissolved air pipe (2) inside microbubble generator (3) intercommunication about dissolved air pipe (2), are provided with admission valve (5) on the air inlet, the import department of dissolved air pipe (2) is provided with the efflux integration ware.
2. A novel micro-bubble workover fluid generation device according to claim 1, wherein the liquid inlet and the liquid outlet of the gas dissolving pipe (2) are provided with a dynamic and static ring seal, and the liquid outlet and the liquid inlet of the two gas dissolving pipes (2) of the same micro-foaming unit are communicated with each other.
3. A novel micro-bubble workover fluid generation device according to claim 1, wherein a fixer for fixing the micro-bubble generator (3) inside the gas dissolving pipe (2) is connected to the left end and the right end of the micro-bubble generator (3).
4. A novel microbubble workover fluid generator device according to claim 1, wherein the diameter of the gas dissolving pipe (2) is 8-20 cm.
5. The novel micro-bubble workover fluid generation device according to claim 1, wherein the micro-bubble generator (3) is a foaming pipe with the diameter of 2-10 mm, and a plurality of micro-bubble outlets are formed in the side surface of the foaming pipe.
6. A novel micro-bubble workover fluid generation device according to claim 5, wherein a plurality of micro-bubble outlets with the pore diameter of 60-100 um are densely distributed around the foaming tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021562730.8U CN212441062U (en) | 2020-07-31 | 2020-07-31 | Novel microbubble workover fluid generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021562730.8U CN212441062U (en) | 2020-07-31 | 2020-07-31 | Novel microbubble workover fluid generation device |
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| Publication Number | Publication Date |
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| CN212441062U true CN212441062U (en) | 2021-02-02 |
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| CN202021562730.8U Active CN212441062U (en) | 2020-07-31 | 2020-07-31 | Novel microbubble workover fluid generation device |
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