CN107353885A - Salt resistance oil resistant foaming water discharge agent and preparation method thereof - Google Patents
Salt resistance oil resistant foaming water discharge agent and preparation method thereof Download PDFInfo
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- CN107353885A CN107353885A CN201710666079.5A CN201710666079A CN107353885A CN 107353885 A CN107353885 A CN 107353885A CN 201710666079 A CN201710666079 A CN 201710666079A CN 107353885 A CN107353885 A CN 107353885A
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- water discharge
- oil resistant
- foaming water
- salt resistance
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000005187 foaming Methods 0.000 title claims abstract description 60
- 150000003839 salts Chemical class 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims description 11
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 24
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 25
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 229960003237 betaine Drugs 0.000 claims description 8
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 8
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000001397 quillaja saponaria molina bark Substances 0.000 claims description 2
- 229930182490 saponin Natural products 0.000 claims description 2
- 150000007949 saponins Chemical class 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims 1
- SNRUBQQJIBEYMU-NJFSPNSNSA-N dodecane Chemical group CCCCCCCCCCC[14CH3] SNRUBQQJIBEYMU-NJFSPNSNSA-N 0.000 claims 1
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000000087 stabilizing effect Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 16
- 125000000217 alkyl group Chemical group 0.000 description 8
- 229930182470 glycoside Natural products 0.000 description 8
- 150000002338 glycosides Chemical class 0.000 description 8
- 238000012360 testing method Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The present invention relates to technology of gas recovery by foam drainage field, more particularly to a kind of salt resistance oil resistant foaming water discharge agent, it is made up of the raw material of following parts by weight：40 ~ 60 parts of Cocoamidopropyl betaine, 10 ~ 30 parts of organic sulfonate, 10 ~ 30 parts of APG, 5 ~ 15 parts of air entraining agent, the salt resistance oil resistant foaming water discharge agent optimizes its oil resistant foamability, foam stabilizing ability and fluid-carrying capability, improve its methanol tolerance ability, condensate oil ability and anti-salinity ability, the concentration of the water draining foamer used than before is further reduced, so as to save production cost for the production and application of oil gas field, production capacity is improved.
Description
Technical field
The present invention relates to technology of gas recovery by foam drainage field, more particularly to a kind of salt resistance oil resistant foaming water discharge agent.
Background technology
Foaming water discharge agent cost is low, investment is small, quick, is one of conventional measure of low-pressure gas well low cost development, leads to
Cross and foam discharging agent solution is injected into producing well by the way of certain, in pit shaft under the perturbation action of gas flow, with pit shaft
Hydrops is sufficiently mixed, and produces a large amount of foams, and effectively carries wellbore effusion to ground by producing well self-energy, to reduce
Shaft bottom back pressure, improve producing pressure differential, and then cause gas well returned to normal production, reach dredge gas-water channel realize stable yields increase
The purpose of production.
Foaming water discharge agent in the market, the scarce capacity in oil resistant, especially on high oil-containing gas well, it is impossible to meet
Oil gas field requirement, and its foam stabilizing ability and fluid-carrying capability are poor, in the case where gas well pressure is low, it is impossible to liquid is normally taken,
The work unobvious of production are put forward in stable yields, for current foaming water discharge agent dosage between 0.3 ‰ ~ 10 ‰, dosage is big, and cost is high.
The content of the invention
It is an object of the invention to overcome scarce capacity, foam stabilizing ability and fluid-carrying capability in current foaming water discharge agent oil resistant
The problem of difference, dosage are big, and cost is high, and a kind of salt resistance oil resistant foaming water discharge agent is provided, the water draining foamer optimizes it
Oil resistant foamability, foam stabilizing ability and fluid-carrying capability, the concentration of the water draining foamer used than before are further
Reduce, so as to save production cost for the production and application of oil gas field, improve production capacity.
What the present invention was realized in：A kind of salt resistance oil resistant foaming water discharge agent, is made up of the raw material of following parts by weight：Coconut palm
40 ~ 60 parts of oleamide CAB, 10 ~ 30 parts of organic sulfonate, 10 ~ 30 parts of APG, 5 ~ 15 parts of air entraining agent.
Above-mentioned salt resistance oil resistant foaming water discharge agent, is made up of the raw material of following parts by weight：Cocoamidopropyl betaine
45 ~ 55 parts, 15 ~ 25 parts of organic sulfonate, 15 ~ 25 parts of APG, 7 ~ 13 parts of air entraining agent.
Above-mentioned salt resistance oil resistant foaming water discharge agent, 50 parts of Cocoamidopropyl betaine, 20 parts of organic sulfonate, alkyl sugar
20 parts of glycosides, 10 parts of air entraining agent.
Above-mentioned salt resistance oil resistant foaming water discharge agent, the organic sulfonate are neopelex.
Above-mentioned salt resistance oil resistant foaming water discharge agent, the air entraining agent are Tea Saponin.
A kind of preparation method of above-mentioned salt resistance oil resistant foaming water discharge agent, comprises the following steps：
Step 1：Raw material is weighed by following parts by weight：40 ~ 60 parts of Cocoamidopropyl betaine, 10 ~ 30 parts of organic sulfonate,
10 ~ 30 parts of APG, 5 ~ 15 parts of air entraining agent；
Step 2：Cocoamidopropyl betaine is added in stirred tank, stands 28 ~ 32 minutes, after lather collapse, addition has
Machine sulfonate and APG, the rotating speed of stirred tank is adjusted to 190 ~ 210 revs/min, stirred 28 ~ 32 minutes, after stirring terminates,
Air entraining agent is added, is stirred 4 ~ 6 minutes again, stops stirring, quiet to put 9 ~ 11 minutes, packaging.
The present invention has the following advantages that：The present invention salt resistance oil resistant foaming water discharge agent optimize its oil resistant foamability,
Foam stabilizing ability and fluid-carrying capability, its methanol tolerance ability, condensate oil ability and anti-salinity ability are improved, is used than before
The concentration of water draining foamer further reduce, so as to save production cost for the production and application of oil gas field, carry
High production capacity.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 40Kg, the Kg of organic sulfonate 10, APG 10Kg, air entraining agent 5Kg.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 28 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 190 revs/min, stirred 28 minutes, after stirring terminates, added air entraining agent, stir 4 points again
Clock, stop stirring, quiet to put 9 minutes, packaging.
Embodiment 2：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 60Kg, the Kg of organic sulfonate 30, the Kg of APG 30, the Kg of air entraining agent 15.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 32 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 210 revs/min, stirred 32 minutes, after stirring terminates, added air entraining agent, stir 6 points again
Clock, stop stirring, quiet to put 11 minutes, packaging.
Embodiment 3：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 44Kg, the Kg of organic sulfonate 26, the Kg of APG 27, the Kg of air entraining agent 6.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 30 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 200 revs/min, stirred 30 minutes, after stirring terminates, added air entraining agent, stir 5 points again
Clock, stop stirring, quiet to put 10 minutes, packaging.
Embodiment 4：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 45Kg, the Kg of organic sulfonate 15, the Kg of APG 15, the Kg of air entraining agent 7.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 30 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 200 revs/min, stirred 30 minutes, after stirring terminates, added air entraining agent, stir 5 points again
Clock, stop stirring, quiet to put 10 minutes, packaging.
Embodiment 5：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 55Kg, the Kg of organic sulfonate 25, the Kg of APG 25, air entraining agent 13Kg.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 30 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 200 revs/min, stirred 30 minutes, after stirring terminates, added air entraining agent, stir 5 points again
Clock, stop stirring, quiet to put 10 minutes, packaging.
Embodiment 6：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 51Kg, organic sulfonate 22Kg, the Kg of APG 22, air entraining agent 9Kg.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 30 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 200 revs/min, stirred 30 minutes, after stirring terminates, added air entraining agent, stir 5 points again
Clock, stop stirring, quiet to put 10 minutes, packaging.
Embodiment 7：A kind of salt resistance oil resistant foaming water discharge agent, is prepared by the raw material of following weight：Cocamidopropyl propyl amide
Glycine betaine 50Kg, organic sulfonate 20Kg, APG 20Kg, air entraining agent 10Kg.
The preparation method of the salt resistance oil resistant foaming water discharge agent of the present embodiment is as follows：Raw material is weighed by above parts by weight, will
Cocoamidopropyl betaine is added in stirred tank, stands 30 minutes, after lather collapse, adds organic sulfonate and alkyl sugar
Glycosides, the rotating speed of stirred tank is adjusted to 200 revs/min, stirred 30 minutes, after stirring terminates, added air entraining agent, stir 5 points again
Clock, stop stirring, quiet to put 10 minutes, packaging.
It is as follows for above-mentioned salt resistance oil resistant foaming water discharge agent, experiment：
Experiment content：Above-mentioned salt resistance oil resistant foaming water discharge agent and the current foaming water discharge agent of oil gas field are chosen respectively, to both
The check experiment of methanol tolerance ability, condensate oil ability and anti-salinity ability is carried out respectively, by testing both tests respectively
Foaming capacity, foam stabilizing ability and fluid-carrying capability.
Method of testing：
Foaming capacity, the foam stabilizing ability measure of foaming water discharge agent：Carried out using Ross-Mlies methods：At 90 DEG C, 200mL is configured
0.3 ~ 1.0% foaming water discharge agent solution is placed in Roche foam meter upper end center position, and alignment Roche foam meter bottom 50mL's is same
The foaming water discharge agent solution of concentration is vertically put down, and writes down foam lifting height in Roche foam meter immediately after sample liquid discharges, i.e.,
For the foaming capacity of the laboratory sample, foam rises in Roche foam meter after 5min height represents the steady of the test specimen
Bubble ability；
The fluid-carrying capability measure of foaming water discharge agent：At 90 DEG C, the nitrogen that flow velocity is 8L/min is passed through 200mL
In 0.3 ~ 1.0% foaming water discharge agent solution, the liquid that goes out of foamover after 15min is determined（Methanol, You Heshui）Volume
Divided by 200mL, that is, represent the fluid-carrying capability of the test specimen.
Experimental result：
Table one：The performance indications of the current foaming water discharge agent of oil gas field
Table two：The performance indications of salt resistance oil resistant foaming water discharge agent
Analysis of experimental data：
Methanol tolerance ability：The salt resistance oil resistant foaming water discharge agent of the present invention is compared with the current foaming water discharge agent of oil gas field, foamability
And foam stabilizing ability performance is suitable, the fluid-carrying capability of recovered water significantly improves；
Condensate oil ability：The salt resistance oil resistant foaming water discharge agent of the present invention is compared with the current foaming water discharge agent of oil gas field, foam discharging agent
Concentration drop to 0.3% by 0.5%, foamability and foam stabilizing ability are entirely unaffected by, and take liquid rate and have by a relatively large margin
Raising；
Anti- salinity ability：The present invention salt resistance oil resistant foaming water discharge agent compared with the current foaming water discharge agent of oil gas field, the former
Foamability, foam stabilizing ability and fluid-carrying capability are superior to the latter.
To sum up, salt resistance oil resistant foaming water discharge agent of the invention is in methanol tolerance ability, condensate oil ability and anti-salinity energy
In the experiment of power test, show foamability, foam stabilizing ability and fluid-carrying capability and be superior to the current foaming water discharge agent of oil gas field, and
And the relative reduction of salt resistance oil resistant foaming water discharge agent concentration of the present invention, the use cost of oil gas field has been saved, has improved production
Can, the raw material that the salt resistance oil resistant foaming water discharge agent uses are easy to get, and substantially reduce enterprise's production cost, raw material are using environmental protection
The raw material of type, more environmentally-friendly energy-conservation.
Claims (6)
- A kind of 1. salt resistance oil resistant foaming water discharge agent, it is characterised in that：It is made up of the raw material of following parts by weight：Cocamidopropyl propyl amide 40 ~ 60 parts of glycine betaine, 10 ~ 30 parts of organic sulfonate, 10 ~ 30 parts of APG, 5 ~ 15 parts of air entraining agent.
- 2. salt resistance oil resistant foaming water discharge agent according to claim 1, it is characterised in that：By the raw material group of following parts by weight Into：45 ~ 55 parts of Cocoamidopropyl betaine, 15 ~ 25 parts of organic sulfonate, 15 ~ 25 parts of APG, 7 ~ 13 parts of air entraining agent.
- 3. salt resistance oil resistant foaming water discharge agent according to claim 1, it is characterised in that：Cocoamidopropyl betaine 50 Part, 20 parts of organic sulfonate, 20 parts of APG, 10 parts of air entraining agent.
- 4. salt resistance oil resistant foaming water discharge agent according to claim 1, it is characterised in that：The organic sulfonate is dodecane Base benzene sulfonic acid sodium salt.
- 5. salt resistance oil resistant foaming water discharge agent according to claim 1, it is characterised in that：The air entraining agent is Tea Saponin.
- A kind of 6. preparation method of salt resistance oil resistant foaming water discharge agent according to claim 1, it is characterised in that：Including following Step：Step 1：Raw material is weighed by following parts by weight：40 ~ 60 parts of Cocoamidopropyl betaine, 10 ~ 30 parts of organic sulfonate, 10 ~ 30 parts of APG, 5 ~ 15 parts of air entraining agent；Step 2：Cocoamidopropyl betaine is added in stirred tank, stands 28 ~ 32 minutes, after lather collapse, addition has Machine sulfonate and APG, the rotating speed of stirred tank is adjusted to 190 ~ 210 revs/min, stirred 28 ~ 32 minutes, after stirring terminates, Air entraining agent is added, is stirred 4 ~ 6 minutes again, stops stirring, quiet to put 9 ~ 11 minutes, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666079.5A CN107353885A (en) | 2017-08-07 | 2017-08-07 | Salt resistance oil resistant foaming water discharge agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666079.5A CN107353885A (en) | 2017-08-07 | 2017-08-07 | Salt resistance oil resistant foaming water discharge agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107353885A true CN107353885A (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666079.5A Pending CN107353885A (en) | 2017-08-07 | 2017-08-07 | Salt resistance oil resistant foaming water discharge agent and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003042413A1 (en) * | 2001-10-23 | 2003-05-22 | Steen Research, Llc | Method and compositions for processing poultry feathers |
| CN103613305A (en) * | 2013-11-22 | 2014-03-05 | 光景生物科技(苏州)有限公司 | Natural tea saponin foaming agent and preparation method thereof |
| CN104087270A (en) * | 2014-07-17 | 2014-10-08 | 中国石油大学(华东) | Salt-tolerance temperature-resistance foaming agent |
| CN106244127A (en) * | 2016-07-25 | 2016-12-21 | 北京众博达石油科技有限公司 | A kind of environment-friendly type foaming water discharge agent and preparation method thereof |
| WO2017099709A1 (en) * | 2015-12-07 | 2017-06-15 | Halliburton Energy Services, Inc. | Surfactant compositions for treatment of subterranean formations and produced oil |
-
2017
- 2017-08-07 CN CN201710666079.5A patent/CN107353885A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003042413A1 (en) * | 2001-10-23 | 2003-05-22 | Steen Research, Llc | Method and compositions for processing poultry feathers |
| CN103613305A (en) * | 2013-11-22 | 2014-03-05 | 光景生物科技(苏州)有限公司 | Natural tea saponin foaming agent and preparation method thereof |
| CN104087270A (en) * | 2014-07-17 | 2014-10-08 | 中国石油大学(华东) | Salt-tolerance temperature-resistance foaming agent |
| WO2017099709A1 (en) * | 2015-12-07 | 2017-06-15 | Halliburton Energy Services, Inc. | Surfactant compositions for treatment of subterranean formations and produced oil |
| CN106244127A (en) * | 2016-07-25 | 2016-12-21 | 北京众博达石油科技有限公司 | A kind of environment-friendly type foaming water discharge agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 周效全等: "出水气井泡沫排水采气化学剂的应用技术", 《天然气技术》 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
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