CN105525899A - Special foam drainage method for low-gas-yield water-flooded well, foam drainage agent and foam drainage device - Google Patents
Special foam drainage method for low-gas-yield water-flooded well, foam drainage agent and foam drainage device Download PDFInfo
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- CN105525899A CN105525899A CN201610049120.XA CN201610049120A CN105525899A CN 105525899 A CN105525899 A CN 105525899A CN 201610049120 A CN201610049120 A CN 201610049120A CN 105525899 A CN105525899 A CN 105525899A
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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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/594—Compositions used in combination with injected gas, e.g. CO2 orcarbonated gas
Abstract
The invention relates to foam drainage gas production, in particular to a special foam drainage method for a low-gas-yield water-flooded well, a foam drainage agent and a foam drainage device. A chemical mode or/and a physical mode is/are adopted to stir accumulated liquid in the low-gas-yield water-flooded well and generate fluctuation, the fluctuating accumulated liquid makes the foam drainage agent put into the accumulated liquid mix with air water in the accumulated liquid to generate foam, and accordingly foam drainage gas production of the low-gas-yield water-flooded well is achieved. The foam drainage agent is prepared from, by weight percentage, 10-25% of non-ionic surfactant, 20-45% of zwitter-ion surfactant, 15-25% of anion surfactant and the balance a foaming agent. Ultrasonic equipment, a micro fan and carbon dioxide injection equipment are adopted as the foam drainage device. Due to the structure, the special foam drainage method for the low-gas-yield water-flooded well, the foam drainage agent and the foam drainage device have the advantage of breaking the technical bottleneck that the effective technology of foam drainage cannot be applied to the low-gas-yield water-flooded well.
Description
Technical field
The present invention relates to bubble mining gas, the special bubble discharge method of especially a kind of low yield gas watered-out well and foam discharging agent and bubble arranging device.
Background technology
Sichuan-chongqing Region is one of important neutralizing gas of China, but, wherein there is Gas Reservoirs ratio up to about 80%, along with the carrying out of exploitation, the effective exploitation of water enchroachment (invasion) to gas reservoir creates tremendous influence, if do not take effective measures, gas well water logging certainly will be caused, reduce gas deposit recovery efficiency.
At present, Sichuan-chongqing Region has the technical way of Gas Reservoirs later development to be water pumping gas production, and has defined to steep the technical system that row, gaslift, electric submersible pump etc. are representative.Wherein, bubble row [namely bubble row refers to foams drain] gas production is that a small amount of surfactant injects into well by one, foam is produced with mixing wastewater with air in well, reduce the slippage loss of air water two-phase nanubrium flowing, increase band outlet capacity, thus with gas flow, water is carried to the technique of well head, because it is easy to use, cost is low, applied widely, and be widely applied.
The conventional foam discharging agent that prior art adopts generally comprises several as follows:
1., its component is by mass percentage: Cocoamidopropyl betaine 40 ~ 60%, dodecyl sulfobetaine 5 ~ 25%, hexadecyldimethyl benzyl ammonium alkyl ammomium chloride 5 ~ 25%, surplus are water;
2., its component is by mass percentage: cocoyl amine CAB 25 ~ 40%, Hamposyl L 20 ~ 30%, and surplus is water;
3., its components in mass portion number is: lauryl sodium sulfate 10-15 part, APG accounts for 2-5 part, and AES accounts for 15-18 part, and dodecyl sodium sulfate accounts for 20-25 part, and biosurfactant accounts for 5-10 part, and water accounts for 27-48 part.Described AES is fatty alcohol polyoxyethylene ether sulfate, and described biosurfactant is smooth by the fatty glyceride of mass fraction 30 parts, the aliphatic acid sorb of 20 parts, the polysorbate of 20 parts and the stearic acid of 30 parts form.
But above-mentioned conventional foam discharging agent, in the use procedure of bubble drainage technique, needs gas well to have certain output, could stir foam discharging agent, thus produce foam.For the well that output is lower, and the well of water logging [we are referred to as low yield gas watered-out well usually], bubble drainage technique cannot use.Therefore, how to realize low yield air water and flood well water pumping gas production, improve bubble row effect, the bubble discharge method of prior art, foam discharging agent are the bottlenecks that annoying this effective technology extensive use of bubble row, and not corresponding bubble arranging device is applied in low yield gas watered-out well and carries out gas production.
Summary of the invention
An object of the present invention is to provide a kind of special bubble discharge method of low yield gas watered-out well that bubble drainage technique can be applied in low yield gas watered-out well.
For achieving the above object and adopt technical scheme be such, the i.e. special bubble discharge method of a kind of low yield gas watered-out well, wherein: adopt chemical mode and/or physics mode to carry out stirring to hydrops in low yield gas watered-out well and produce fluctuation, the hydrops be in fluctuation makes to drop into the foam discharging agent in this hydrops and the mixing wastewater with air in hydrops produces foam, thus realizes carrying out bubble mining gas to low yield gas watered-out well;
Described chemical mode adopts the foam discharging agent added containing citric acid, sodium acid carbonate, ammonium chloride, natrium nitrosum composition, and the carbon dioxide of the water-soluble rear generation of this foam discharging agent and nitrogen carry out stirring to hydrops in low yield gas watered-out well and produces fluctuation;
Described physics mode arranges bubble arranging device in low yield gas watered-out well, makes the hydrops in low yield gas watered-out well produce fluctuation by bubble arranging device.
The advantage that the present invention has due to said method is: pass through said method, no matter be chemical mode or physics mode, and chemical mode combines with physics mode and uses, bubble drainage technique all can be used in low yield gas watered-out well to carry out lasting gas production, reach the energy and effectively utilize.
Another object of the present invention is to provide a kind of special foam discharging agent of low yield gas watered-out well that bubble drainage technique can be applied in low yield gas watered-out well.
For achieving the above object and adopt technical scheme be such, i.e. the special foam discharging agent of a kind of low yield gas watered-out well, calculates according to percentage by weight, comprise 10-25% non-ionic surface active agent, 20-45% zwitterionic surfactant, 15-25% anion surfactant, surplus is frother;
Described anion surfactant is made up of the sldium lauryl sulfate of the neopelex of 35%, the AES of 40% and 25%;
Described zwitterionic surfactant is made up of the Cocoamidopropyl betaine of 40% and the dodecyl sulfobetaine of 60%;
Described non-ionic surface active agent is made up of the fatty glyceride of 40%, smooth and 35% the polysorbate of aliphatic acid sorb of 25%;
Described frother is made up of the citric acid of 56%, sodium acid carbonate, the ammonium chloride of 9%, the natrium nitrosum of 11% of 24%.When practical application, the described special foam discharging agent of low yield gas watered-out well can be made cylinder and form bubble rod row, and the barred body of bubble rod row is provided with through hole through for bubble rod row both ends of the surface.The described special foam discharging agent of low yield gas watered-out well also can make cone, and this cone is up-small and down-big, and cone is evenly equipped with the three pieces of fan leafs be made up of foam discharging agent, and these three pieces of fan leafs and cone mold pressing are formed as one propeller-like.
The composition that the present invention is formed due to above-mentioned formula and the advantage that has is: produce fluctuation because the carbon dioxide of the water-soluble rear generation of the special foam discharging agent of above-mentioned low yield gas watered-out well and nitrogen carry out stirring to hydrops in low yield gas watered-out well, just bubble drainage technique can be used in low yield gas watered-out well to carry out lasting gas production, reach the energy and effectively utilize.
Another object of the present invention is to provide a kind of special bubble arranging device of low yield gas watered-out well that bubble drainage technique can be applied in low yield gas watered-out well.
For achieving the above object and adopt technical scheme have several as follows:
The special bubble arranging device of a kind of low yield gas watered-out well, comprise at least one the ultrasonic equipment be fixed in gas well bottom interior wall, this ultrasonic equipment is electrically connected with the switch board in operating room by cable, and the control button on lifting and dropping control cabinet realizes the keying to ultrasonic equipment.
The special bubble arranging device of a kind of low yield gas watered-out well, adopts battery built-in and the mini-fan of waterproof.At least one piece of balancing weight is fixed with at the afterbody of the shell of mini-fan.
The special bubble arranging device of a kind of low yield gas watered-out well, comprise conveying pipeline, the bottom of this conveying pipeline is communicated with gas well intracavity bottom, and the top of described conveying pipeline is communicated with the output of carbon dioxide carrier pipe with the output of foam discharging agent carrier pipe simultaneously;
The input of described foam discharging agent carrier pipe is communicated with foam discharging agent holding vessel, is disposed with water pump and electromagnetic valve I at the input of foam discharging agent carrier pipe to the pipeline section of output;
The input of described carbon dioxide carrier pipe is communicated with carbon dioxide storage tank, is disposed with air pump and electromagnetic valve II at the input of carbon dioxide carrier pipe to the pipeline section of output.
The special bubble arranging device of a kind of low yield gas watered-out well, comprise two conveying pipelines, the output of these two conveying pipelines is communicated with gas well intracavity bottom;
Wherein the input of a conveying pipeline is communicated with foam discharging agent holding vessel, and the input of this root conveying pipeline is disposed with water pump and electromagnetic valve I to the pipeline section of output;
The input of an other conveying pipeline is communicated with carbon dioxide storage tank, and the input of this root conveying pipeline is disposed with air pump and electromagnetic valve II to the pipeline section of output.
The advantage that the present invention has due to said structure is: the special bubble arranging device of each low yield gas watered-out well all can carry out stirring to hydrops in low yield gas watered-out well and produce fluctuation, just bubble drainage technique can be used in low yield gas watered-out well to carry out lasting gas production, reach the energy and effectively utilize.
Accompanying drawing explanation
The nonlimiting examples that the present invention can be provided by accompanying drawing further illustrates.
Fig. 1 is the structural representation that foam discharging agent of the present invention makes bubble rod row.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation that foam discharging agent of the present invention makes propeller-like bubble rod row.
Fig. 4 is the first example structure schematic diagram that the present invention steeps arranging device.
Fig. 5 is the second example structure schematic diagram that the present invention steeps arranging device.
Fig. 6 is for steeping structural representation when arranging device uses described in Fig. 5.
Fig. 7 is the 3rd example structure schematic diagram that the present invention steeps arranging device.
Fig. 8 is the 4th example structure schematic diagram that the present invention steeps arranging device.
In figure: A, gas well; 1, bubble rod row; 2, through hole; 3, cone; 4, fan leaf; 5, ultrasonic equipment; 6, cable; 7, switch board; 8, mini-fan; 9, shell; 10, balancing weight; 11, conveying pipeline; 12, foam discharging agent carrier pipe; 13, carbon dioxide carrier pipe; 14, foam discharging agent holding vessel; 15, water pump; 16, electromagnetic valve I; 17, carbon dioxide storage tank; 18, air pump; 19, electromagnetic valve II; 20, cable; 21, there is the switch board of PLC control strip.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
See accompanying drawing 1 to 8, the special bubble discharge method of low yield gas watered-out well in figure, adopt chemical mode and/or physics mode to carry out stirring to hydrops in low yield gas watered-out well and produce fluctuation, the hydrops be in fluctuation makes to drop into the foam discharging agent in this hydrops and the mixing wastewater with air in hydrops produces foam, thus realizes carrying out bubble mining gas to low yield gas watered-out well;
Described chemical mode adopts the foam discharging agent added containing citric acid, sodium acid carbonate, ammonium chloride, natrium nitrosum composition, and the carbon dioxide of the water-soluble rear generation of this foam discharging agent and nitrogen carry out stirring to hydrops in low yield gas watered-out well and produces fluctuation;
Described physics mode arranges bubble arranging device in low yield gas watered-out well, makes the hydrops in low yield gas watered-out well produce fluctuation by bubble arranging device.In method described in this embodiment, no matter be chemical mode or physics mode, and chemical mode combines with physics mode and uses, all can use in low yield gas watered-out well and steep drainage technique and carry out lasting gas production, reach the energy and effectively utilize.
Fluctuation is produced for carrying out stirring to hydrops in low yield gas watered-out well when ensureing to adopt chemical mode, in above-described embodiment, preferably: described foam discharging agent calculates according to percentage by weight, comprise 10-25% non-ionic surface active agent, 20-45% zwitterionic surfactant, 15-25% anion surfactant, surplus is frother;
Described anion surfactant is made up of the sldium lauryl sulfate of the neopelex of 35%, the AES of 40% and 25%;
Described zwitterionic surfactant is made up of the Cocoamidopropyl betaine of 40% and the dodecyl sulfobetaine of 60%;
Described non-ionic surface active agent is made up of the fatty glyceride of 40%, smooth and 35% the polysorbate of aliphatic acid sorb of 25%;
Described frother is made up of the citric acid of 56%, sodium acid carbonate, the ammonium chloride of 9%, the natrium nitrosum of 11% of 24%.The equation of described foam discharging agent aerogenesis is mainly:
In this embodiment, test and show under equal conditions, following several proportioning practical function is relatively good,
The first: calculate according to percentage by weight, by 12% non-ionic surface active agent, 25% zwitterionic surfactant, 18% anion surfactant, surplus is the foam discharging agent of frother composition.
The second: calculate according to percentage by weight, by 10% non-ionic surface active agent, 45% zwitterionic surfactant, 19% anion surfactant, surplus is the foam discharging agent of frother composition.
The third: calculate according to percentage by weight, by 18% non-ionic surface active agent, 35% zwitterionic surfactant, 22% anion surfactant, surplus is the foam discharging agent of frother composition.
4th kind: calculate according to percentage by weight, by 20% non-ionic surface active agent, 40% zwitterionic surfactant, 20% anion surfactant, surplus is the foam discharging agent of frother composition.
The carbon dioxide that the foam discharging agent wherein formed with the 4th kind of proportioning produces and nitrogen amount the best.
Above-mentioned foam discharging agent in use, generally manufactures following structure, can certainly make particle or Powdered:
See attached Fig. 1 and 2, foam discharging agent is made cylinder and form bubble rod row 1, the barred body of bubble rod row 1 is provided with by through hole 2 through for bubble rod row 1 both ends of the surface.In this embodiment, through hole 2 makes bubble rod row 1 increase with the contact area of hydrops in hydrops, the carbon dioxide discharged in course of dissolution and nitrogen stir hydrops again, increase bubble rod row 1 dissolution velocity in hydrops, can reach the object of bubble row water pumping gas production fast.
See accompanying drawing 3, foam discharging agent is made cone 3, this cone 3 is up-small and down-big, and cone 3 is evenly equipped with the three pieces of fan leafs 4 be made up of foam discharging agent, and these three pieces of fan leafs 4 are formed as one propeller-like [bubble rod row of propeller-like] with cone 3 mold pressing.In this embodiment, the bubble rod row of propeller-like is in the process of dissolving, and due to fan leaf 4 unbalance stress, thus Stirring hydrops reaches the object of bubble row water pumping gas production.
Bubble arranging device in above-described embodiment can be divided into following several structure:
See accompanying drawing 4, described bubble arranging device comprises again at least one the ultrasonic equipment 5 be fixed in gas well A bottom interior wall, this ultrasonic equipment 5 is electrically connected with the switch board 7 in operating room by cable 6, and the control button on lifting and dropping control cabinet 7 realizes the keying to ultrasonic equipment 5.In this embodiment, the ultrasonic atomization utilizing ultrasonic equipment 5 to produce and ultrasonic wave stir hydrops, and foam discharging agent is fully reacted in hydrops, thus reach the object of bubble row water pumping gas production.Its principle is when the shaft bottom generation hydrops of gas well A affects gas capacity of well, manual control starts ultrasonic equipment 5, at this moment the circuit supersonic oscillations of ultrasonic equipment 5, be transferred to piezoelectric ceramic vibrator sub-surface, piezoelectric ceramic vibrator can produce axial mechanical resonance change, this mechanical resonance change is transferred to the liquid be in contact with it again, liquid surface is made to produce protuberance, and protuberance around generation cavitation, the shock wave produced by this cavitation, by with the vibration frequency of oscillator constantly repeatedly, makes liquid surface produce the capillary wave of finite amplitude.The wave head of this tensile wave disperses, and makes the liquid atomization and stirs hydrops realization bubble row function.
See accompanying drawing 5 and 6, described bubble arranging device is the built-in and mini-fan 8 of waterproof of battery.For making mini-fan 8 be applicable in the hydrops of different depth further, be fixed with at least one piece of balancing weight 10 at the afterbody of the shell 9 of mini-fan 8.In this embodiment, the fan blades of mini-fan 8 is rotated, and utilizes the method for physical agitation hydrops, foam discharging agent is fully reacted in the hydrops of shaft bottom, thus reaches the object of bubble row water pumping gas production.
See accompanying drawing 7, described bubble arranging device comprises again conveying pipeline 11, and the bottom of this conveying pipeline 11 is communicated with gas well A intracavity bottom, and the top of described conveying pipeline 11 is communicated with the output of carbon dioxide carrier pipe 13 with the output of foam discharging agent carrier pipe 12 simultaneously;
The input of described foam discharging agent carrier pipe 12 is communicated with foam discharging agent holding vessel 14, is disposed with water pump 15 and electromagnetic valve I 16 at the input of foam discharging agent carrier pipe 12 to the pipeline section of output;
The input of described carbon dioxide carrier pipe 13 is communicated with carbon dioxide storage tank 17, is disposed with air pump 18 and electromagnetic valve II 19 at the input of carbon dioxide carrier pipe 13 to the pipeline section of output.For realizing Automated condtrol, furthermore, described water pump 15, electromagnetic valve I 16, air pump 18 and electromagnetic valve II 19 are all electrically connected with the switch board 21 with PLC control strip in operating room by cable 20, and the switch board 21 with PLC control strip controls the keying of water pump 15, electromagnetic valve I 16, air pump 18 and electromagnetic valve II 19.In this embodiment, shaft bottom intermittence to gas well A injects foam discharging agent and carbon dioxide, namely in conveying pipeline 11, certain hour section is that carbon dioxide passes into down-hole, the another section of fixing time is that foam discharging agent passes into down-hole, when carbon dioxide is passed in hydrops by conveying pipeline 11, gas after moving downward a period of time with the form of bubble to motion of melt surface, at this moment gas ducks in drink the effect that the generation that moves upward is stirred, foam discharging agent reacts rapidly, and hydrops is changed into foam, realizes the object of bubble mining gas.
See accompanying drawing 8, described bubble arranging device comprises again two conveying pipelines 11, and the output of these two conveying pipelines 11 is communicated with gas well A intracavity bottom;
Wherein the input of a conveying pipeline 11 is communicated with foam discharging agent holding vessel 14, and the input of this root conveying pipeline 11 is disposed with water pump 15 and electromagnetic valve I 16 to the pipeline section of output;
The input of an other conveying pipeline 11 is communicated with carbon dioxide storage tank 17, and the input of this root conveying pipeline 11 is disposed with air pump 18 and electromagnetic valve II 19 to the pipeline section of output.For realizing Automated condtrol, furthermore, described water pump 15, electromagnetic valve I 16, air pump 18 and electromagnetic valve II 19 are all electrically connected with the switch board 21 with PLC control strip in operating room by cable 20, and the switch board 21 with PLC control strip controls the keying of water pump 15, electromagnetic valve I 16, air pump 18 and electromagnetic valve II 19.In this embodiment, a conveying pipeline 11 rushes foam discharging agent to down-hole, and another root conveying pipeline 11 is to carbon dioxide injection in hydrops simultaneously, when foam discharging agent pour mix with water in water time, the carbon dioxide of another root conveying pipeline 11 produces mixing effect, produces foam rapidly, takes hydrops out of.
The each parts adopted in above-mentioned all embodiments all adopt market products.
Obviously, above-mentioned all embodiments are a part of embodiments of the present invention, instead of whole embodiments.Based on embodiment of the present invention, those skilled in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the category of the present invention's protection.
In sum, due to said method, row's infusion and row's bulb apparatus, the row of making bubble gas production can be applied at low yield gas watered-out well, has broken through bubble and has arranged this effective technology and cannot be applied in technical bottleneck in low yield gas watered-out well.
Claims (10)
1. the special bubble discharge method of low yield gas watered-out well, it is characterized in that: adopt chemical mode and/or physics mode to carry out stirring to hydrops in low yield gas watered-out well and produce fluctuation, the hydrops be in fluctuation makes to drop into the foam discharging agent in this hydrops and the mixing wastewater with air in hydrops produces foam, thus realizes carrying out bubble mining gas to low yield gas watered-out well;
Described chemical mode adopts the foam discharging agent added containing citric acid, sodium acid carbonate, ammonium chloride, natrium nitrosum composition, and the carbon dioxide of the water-soluble rear generation of this foam discharging agent and nitrogen carry out stirring to hydrops in low yield gas watered-out well and produces fluctuation;
Described physics mode arranges bubble arranging device in low yield gas watered-out well, makes the hydrops in low yield gas watered-out well produce fluctuation by bubble arranging device.
2. the special bubble discharge method of low yield gas watered-out well according to claim 1, it is characterized in that: described foam discharging agent calculates according to percentage by weight, comprise 10-25% non-ionic surface active agent, 20-45% zwitterionic surfactant, 15-25% anion surfactant, surplus is frother;
Described anion surfactant is made up of the sldium lauryl sulfate of the neopelex of 35%, the AES of 40% and 25%;
Described zwitterionic surfactant is made up of the Cocoamidopropyl betaine of 40% and the dodecyl sulfobetaine of 60%;
Described non-ionic surface active agent is made up of the fatty glyceride of 40%, smooth and 35% the polysorbate of aliphatic acid sorb of 25%;
Described frother is made up of the citric acid of 56%, sodium acid carbonate, the ammonium chloride of 9%, the natrium nitrosum of 11% of 24%.
3. the special bubble discharge method of low yield gas watered-out well according to claim 1 and 2, is characterized in that: foam discharging agent is made cylinder and form bubble rod row (1), the barred body of bubble rod row (1) is provided with by through hole (2) through for bubble rod row (1) both ends of the surface.
4. the special bubble discharge method of low yield gas watered-out well according to claim 1 and 2, it is characterized in that: foam discharging agent is made cone (3), this cone (3) is up-small and down-big, cone (3) is evenly equipped with three pieces of fan leafs (4) of being made up of foam discharging agent, and these three pieces of fan leafs (4) and cone (3) mold pressing are formed as one propeller-like.
5. the special bubble discharge method of low yield gas watered-out well according to claim 1, it is characterized in that: described bubble arranging device comprises again at least one the ultrasonic equipment (5) be fixed in gas well (A) bottom interior wall, this ultrasonic equipment (5) is electrically connected with the switch board (7) in operating room by cable (6), and the control button on lifting and dropping control cabinet (7) realizes the keying to ultrasonic equipment (5).
6. the special bubble discharge method of low yield gas watered-out well according to claim 1, is characterized in that: described bubble arranging device is the built-in and mini-fan of waterproof (8) of battery.
7. the special bubble discharge method of low yield gas watered-out well according to claim 6, is characterized in that: be fixed with at least one piece of balancing weight (10) at the afterbody of the shell (9) of mini-fan (8).
8. the special bubble discharge method of low yield gas watered-out well according to claim 1, it is characterized in that: described bubble arranging device comprises again conveying pipeline (11), the bottom of this conveying pipeline (11) is communicated with gas well (A) intracavity bottom, and the top of described conveying pipeline (11) is communicated with the output of carbon dioxide carrier pipe (13) with the output of foam discharging agent carrier pipe (12) simultaneously;
The input of described foam discharging agent carrier pipe (12) is communicated with foam discharging agent holding vessel (14), is disposed with water pump (15) and electromagnetic valve I (16) at the input of foam discharging agent carrier pipe (12) to the pipeline section of output;
The input of described carbon dioxide carrier pipe (13) is communicated with carbon dioxide storage tank (17), is disposed with air pump (18) and electromagnetic valve II (19) at the input of carbon dioxide carrier pipe (13) to the pipeline section of output.
9. the special bubble discharge method of low yield gas watered-out well according to claim 1, it is characterized in that: described bubble arranging device comprises again two conveying pipelines (11), the output of these two conveying pipelines (11) is communicated with gas well (A) intracavity bottom;
Wherein the input of a conveying pipeline (11) is communicated with foam discharging agent holding vessel (14), and the input of this root conveying pipeline (11) is disposed with water pump (15) and electromagnetic valve I (16) to the pipeline section of output;
The input of an other conveying pipeline (11) is communicated with carbon dioxide storage tank (17), and the input of this root conveying pipeline (11) is disposed with air pump (18) and electromagnetic valve II (19) to the pipeline section of output.
10. the special bubble discharge method of low yield gas watered-out well according to claim 8 or claim 9, it is characterized in that: described water pump (15), electromagnetic valve I (16), air pump (18) and electromagnetic valve II (19) are all electrically connected with the switch board (21) with PLC control strip in operating room by cable (20), the switch board (21) with PLC control strip controls the keying of water pump (15), electromagnetic valve I (16), air pump (18) and electromagnetic valve II (19).
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| CN106978155A (en) * | 2017-03-19 | 2017-07-25 | 西南石油大学 | A kind of disturbance capsule shape solid foam discharging agent certainly |
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| CN108084987A (en) * | 2017-12-25 | 2018-05-29 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of natural gas well turnaround fracture microvesicle temporarily blocks up liquid filler and its application |
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| CN108728073A (en) * | 2018-07-06 | 2018-11-02 | 陕西延长石油(集团)有限责任公司研究院 | A kind of drain stick and the preparation method and application thereof containing condensate well |
| CN110117487A (en) * | 2019-05-22 | 2019-08-13 | 西南石油大学 | It is a kind of for High angle-horizontal well water pumping gas production foam discharging agent |
| CN112112614A (en) * | 2020-09-14 | 2020-12-22 | 重庆科技学院 | Foam discharging rod underground accelerated dissolving device suitable for low-temperature gas well |
| CN113292983A (en) * | 2021-06-15 | 2021-08-24 | 中石化重庆页岩气有限公司 | Floating foam discharging rod for gas production of oil and gas field and preparation method thereof |
| CN113512412A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Foam scrubbing agent, preparation method and application thereof |
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| CN113512412A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Foam scrubbing agent, preparation method and application thereof |
| CN113512412B (en) * | 2020-04-10 | 2022-11-04 | 中国石油化工股份有限公司 | Foam scrubbing agent, preparation method and application thereof |
| CN112112614A (en) * | 2020-09-14 | 2020-12-22 | 重庆科技学院 | Foam discharging rod underground accelerated dissolving device suitable for low-temperature gas well |
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Application publication date: 20160427 |