CN104830298A - Water-based emulsion composite blocking remover - Google Patents
Water-based emulsion composite blocking remover Download PDFInfo
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- CN104830298A CN104830298A CN201510156463.1A CN201510156463A CN104830298A CN 104830298 A CN104830298 A CN 104830298A CN 201510156463 A CN201510156463 A CN 201510156463A CN 104830298 A CN104830298 A CN 104830298A
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 239000000839 emulsion Substances 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 22
- 230000000903 blocking effect Effects 0.000 title abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 13
- 229920000570 polyether Polymers 0.000 claims abstract description 13
- 150000007524 organic acids Chemical class 0.000 claims abstract description 7
- 150000002148 esters Chemical class 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 57
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 20
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 125000005907 alkyl ester group Chemical group 0.000 claims description 15
- 150000002632 lipids Chemical class 0.000 claims description 14
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002981 blocking agent Substances 0.000 claims description 9
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 8
- -1 HPAA Chemical compound 0.000 claims description 7
- COVZYZSDYWQREU-UHFFFAOYSA-N Busulfan Chemical compound CS(=O)(=O)OCCCCOS(C)(=O)=O COVZYZSDYWQREU-UHFFFAOYSA-N 0.000 claims description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 6
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 235000019270 ammonium chloride Nutrition 0.000 claims description 6
- 150000003857 carboxamides Chemical class 0.000 claims description 6
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 150000002461 imidazolidines Chemical class 0.000 claims description 6
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 claims description 6
- 230000009257 reactivity Effects 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 14
- 239000007924 injection Substances 0.000 abstract description 14
- 239000010779 crude oil Substances 0.000 abstract description 12
- 239000003921 oil Substances 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000003129 oil well Substances 0.000 abstract description 7
- 238000004945 emulsification Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 150000004668 long chain fatty acids Chemical class 0.000 abstract 1
- 239000005416 organic matter Substances 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 239000011368 organic material Substances 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000004580 weight loss Effects 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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
-
- 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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Colloid Chemistry (AREA)
Abstract
The invention relates to a water-based emulsion composite blocking remover, and belongs to the technical filed of petroleum water injection wells and oil well plug removal, yield increase and injection increase liquids. The water-based emulsion composite blocking remover is prepared by mixing an inorganic blocking remover with an organic blocking remover according to a mass part ratio of 4-6:1; a complex long-chain fatty acid monoalkyl ester and polyol organic polyether ester mixture is adopted as the organic blocking remover to effectively prevent crude oil emulsification and organic scale formation in oil reservoirs, resolves emulsification and organic scale plugging, and is in favor or recovering the crude oil and increasing the injection of water injection wells. A stratum mineral total rock analysis result shows that the water-based emulsion composite blocking remover adopting a concentration of an organic acid can remove plugging near inorganic scales, has very good reservoir reconstruction characteristic and very good compatibleness with a reservoir fluid, has a good comprehensive plug removal effect on organic matter plugging, and is simple to produce. The problems of severe influences of only treatment of inorganic scales, strong corrosion ability of the inorganic scales, poor plug removal effect of the organic scale plugging and weak corrosion ability of organic scales on the injection ability of the water injection wells and the production power of oil wells are solved.
Description
Technical field
The present invention relates to a kind of water-base emulsion composite blockage relieving agent, belong to water injection well for oil, de-plugging of well increasing yield and injection liquid technical field.
Background technology
In the process of oil-field development, oil layer pollution is restriction oil well output, affects an important factor of water injection well volume of water input.Oil layer pollution directly can affect the normal production in oil field, reduces oil well productivity, until affect the ultimate recovery factor in oil field; Impact reduces water injection well injectability.The formation of oil layer pollution and blocking is diversified, easily causes the period of oil layer pollution different, and the mechanism of oil layer pollution blocking also varies, and the degree of contamination and plugging also has very large difference.Oil layer blocking thing totally can be divided into inorganic scale and the large class of organic deposition two, traditional acidizing unblocking technique has certain solution ration to reservoir minerals and the blocking of general inorganic dirt, the infiltration infringement that most inorganic scale formation causes can be removed, then very poor to the plugging removal effect of the Organic Material Blocking such as pitch, wax, even do not work, have a strong impact on water injection well injectability and oil well productivity.
Summary of the invention
The object of the invention is to, for above-mentioned the deficiencies in the prior art, provide a kind of integrative blockage relieving performance and reservoir reconstruction characteristic by force, good with the compatibleness of reservoir fluid, corrodibility is little, good to the plugging removal effect of Organic Material Blocking, and solution ration is strong, and manufacture craft is simple; Can solve existing water-base emulsion unblocking agent and only can process inorganic scale, strong to inorganic scale solution ration, poor to the plugging removal effect of Organic Material Blocking, corrosion organic deposition ability is weak, has a strong impact on the water-base emulsion composite blockage relieving agent of water injection well injectability and oil well productivity problem.
The present invention realizes above-mentioned purpose by the following technical solutions
A kind of water-base emulsion composite blockage relieving agent, is characterized in that: it is mixed according to the mass fraction ratio of 4 ~ 6:1 by inorganic de-blocking agent and organic deblocking agent.
Described organic deblocking agent is mono alkyl ester and the organic polyether ester mixture of polyvalent alcohol of complicated longer chain fatty acid; Wherein the mono alkyl ester of lipid acid is the lipid acid mono alkyl ester that C16-C18 lipid acid and methyl alcohol are obtained by reacting; Polyether glycol is that Dicarboxylic Acids and ethylene glycol are polymerized; Its ratio of quality and the number of copies is lipid acid mono alkyl ester: polyether glycol=5 ~ 10:1.
Described inorganic de-blocking agent is made up of the raw material of following mass parts:
Described organic acid is methanesulfonic, thionamic acid, chloroacetic mixture, and its ratio of quality and the number of copies is methanesulfonic: thionamic acid: Mono Chloro Acetic Acid=0.5 ~ 1:0.5 ~ 1:1 ~ 1.5.
Described dirty changing agent is the mixture of ATMP, HPAA, HEDP, and its ratio of quality and the number of copies is ATMP:HPAA:HEDP=1.5 ~ 2:0.5 ~ 1:1.
Described Fe stabilizer is the mixture of citric acid, EDTA, and its ratio of quality and the number of copies is citric acid: EDTA=0.5 ~ 1:0.2 ~ 0.5.
Described inhibiter is the mixture of organic amide class inhibiter, imidazolidine derivatives inhibiter, IS-129, propiolic alcohol, and its ratio of quality and the number of copies is organic amide class inhibiter: imidazolidine derivatives inhibiter: IS-129: propiolic alcohol=0.2 ~ 0.5:0.1 ~ 0.2:1.5 ~ 2:0.5 ~ 1.
Described clay stabilizer is the mixture of Repone K, ammonium chloride, epoxy chloropropane-polyethylene polyamine polycondensate, and its ratio of quality and the number of copies is Repone K: ammonium chloride: epoxypropyltrimethylchloride chloride=0.1 ~ 0.5:0.5 ~ 1:0.2 ~ 1.
Described promoting agent is the mixture of fluorine-containing type high reactivity cleanup additive, OP-10, penetrant t, and its ratio of quality and the number of copies is fluorine-containing type high reactivity cleanup additive: OP-10: penetrant t=0.5:0.5 ~ 1:0.2 ~ 1.
The present invention's beneficial effect is compared with prior art:
This water-base emulsion composite blockage relieving agent adopts the mono alkyl ester of complicated longer chain fatty acid and the organic polyether ester mixture of polyvalent alcohol to make organic deblocking agent, effectively can prevent the formation of emulsification and organic deposition in oil bearing reservoir, dissolve emulsification and organic deposition blocking, be conducive to the extraction of crude oil, water injection well stimulation.According to subterranean minerals total rock analytical results, adopt certain density organic acid, the blocking of nearly well band inorganic scale can be removed.There is good reservoir reconstruction characteristic and the compatibleness with reservoir fluid; Corrodibility is little, effective to the integrative blockage relieving of Organic Material Blocking, and solution ration is strong, and production technique is simple.Solve prior art perfectly and only can process inorganic scale, only strong to inorganic scale solution ration, and poor to the plugging removal effect of Organic Material Blocking, the ability of corrosion organic deposition is weak, has a strong impact on the problem of water injection well injectability and oil well productivity.
Embodiment
This water-base emulsion composite blockage relieving agent is mixed according to the mass fraction ratio of 4 ~ 6:1 by inorganic de-blocking agent and organic deblocking agent.
Described organic deblocking agent is mono alkyl ester and the organic polyether ester mixture of polyvalent alcohol of complicated longer chain fatty acid; Wherein the mono alkyl ester of lipid acid is the lipid acid mono alkyl ester that C16-C18 lipid acid and methyl alcohol are obtained by reacting; Polyether glycol is that Dicarboxylic Acids and ethylene glycol are polymerized; Its ratio of quality and the number of copies is lipid acid mono alkyl ester: polyether glycol=5 ~ 10:1.
Described inorganic de-blocking agent is made up of the raw material of following mass parts:
Described organic acid is methanesulfonic, thionamic acid, chloroacetic mixture, and its ratio of quality and the number of copies is methanesulfonic: thionamic acid: Mono Chloro Acetic Acid=0.5 ~ 1:0.5 ~ 1:1 ~ 1.5.
Described dirty changing agent is the mixture of ATMP, HPAA, HEDP, and its ratio of quality and the number of copies is ATMP:HPAA:HEDP=1.5 ~ 2:0.5 ~ 1:1.
Described Fe stabilizer is the mixture of citric acid, EDTA, and its ratio of quality and the number of copies is citric acid: EDTA=0.5 ~ 1:0.2 ~ 0.5.
Described inhibiter is the mixture of organic amide class inhibiter, imidazolidine derivatives inhibiter, IS-129, propiolic alcohol, and its ratio of quality and the number of copies is organic amide class inhibiter: imidazolidine derivatives inhibiter: IS-129: propiolic alcohol=0.2 ~ 0.5:0.1 ~ 0.2:1.5 ~ 2:0.5 ~ 1.
Described clay stabilizer is the mixture of Repone K, ammonium chloride, epoxy chloropropane-polyethylene polyamine polycondensate, and its ratio of quality and the number of copies is Repone K: ammonium chloride: epoxypropyltrimethylchloride chloride=0.1 ~ 0.5:0.5 ~ 1:0.2 ~ 1.
Described promoting agent is the mixture of fluorine-containing type high reactivity cleanup additive, OP-10, penetrant t, and its ratio of quality and the number of copies is fluorine-containing type high reactivity cleanup additive: OP-10: penetrant t=0.5:0.5 ~ 1:0.2 ~ 1.
Below in conjunction with specific examples, the present invention is described in further detail:
In indoor first by proportions organic acid, dirty changing agent, Fe stabilizer, inhibiter, clay stabilizer, the promoting agent of inorganic de-blocking agent raw material in above-mentioned formula; Organic deblocking agent presses lipid acid mono alkyl ester: polyether glycol is prepared by 9:1 ratio of quality and the number of copies; Finally inorganic de-blocking agent and organic deblocking agent are mixed according to the ratio of quality and the number of copies of 4:1 under 6000 revs/min of high-speed stirring, be mixed with 2.5 kg water base emulsion composite blockage relieving agents.Wherein inorganic de-blocking agent 2.0 kilograms, its formula and ratio of quality and the number of copies are seawater: organic acid: dirty changing agent: Fe stabilizer: inhibiter: clay stabilizer: promoting agent=50:12:12:5:4:5:12; Organic deblocking agent 0.5 kilogram, its formula and ratio of quality and the number of copies are lipid acid mono alkyl ester: polyether glycol=9:1.
Experimental evaluation to this water-base emulsion composite blockage relieving agent (code name HCF):
1, this water-base emulsion composite blockage relieving agent is to the solvability of X well crude oil
Prepare this water-base emulsion composite blockage relieving agent, measure the weight leaving standstill the crude oil after heating different time and this water-base emulsion composite blockage relieving agent at 60 DEG C with analytical balance, calculate dissolution rate.From experimental result table 1, this water-base emulsion composite blockage relieving agent (HCF) reaches 100% to X well reservoir crude oil dissolution rate, has good solvability.
Table 1 unblocking agent HCF is to the solvability measurement result of crude oil
2, erodible to reservoir landwaste of this water-base emulsion composite blockage relieving agent (HCF)
Indoor analytical balance measures the weight leaving standstill this water-base emulsion composite blockage relieving agent after heating different time and reservoir landwaste at 110 DEG C, calculates corrosion rate.From experimental result table 2, the corrosion rate of this water-base emulsion composite blockage relieving agent HCF to X well reservoir landwaste is 2.26%-3.90%.This water-base emulsion composite blockage relieving liquid has certain erodible to reservoir landwaste, the reservoir reconstruction characteristic had.
Table 2 unblocking agent HCF is to the erodible measurement result of reservoir landwaste
3, the compatibleness of this water-base emulsion composite blockage relieving agent HCF
The compatibleness of this water-base emulsion composite blockage relieving agent HCF of A and crude oil
Viscosity experiment mensuration has been carried out to this water-base emulsion composite blockage relieving agent HCF and crude oil mixed liquor.From experimental result table 3, there is not emulsification tackified phenomenon, prove the compatibleness that this water base composite blockage relieving liquid and reservoir crude oil have had.
The compatibleness measurement result of table 3 unblocking agent HCF and crude oil
The compatibleness of this water-base emulsion composite blockage relieving agent HCF of B and local water/seawater
Experimental result is in table 4, obvious with local water/sea water stratification, does not occur emulsion, proves that the compatibleness of this water base composite blockage relieving liquid and local water/seawater is good.
The compatibleness of table 4 unblocking agent HCF pair and local water/seawater
4, the corrodibility of this water-base emulsion composite blockage relieving agent HCF
Experiment adopts weight loss method to carry out erosion analysis to unblocking agent HCF, is respectively 0.8956g/m from the corrosion speed of the known composite blockage relieving liquid of experimental result table 5
2.h, much smaller than petroleum industry standard (≤2 ~ 4 g/m
2.h), site operation requirement can be met.
Table 5 corrosivity data measurement result
5, the reservoir protection of this water-base emulsion composite blockage relieving agent HCF
Table 6 unblocking agent HCF comprehensively blocks de-plugging evaluation result
From experimental result table 6, after drilling fluid-well finishing liquid-crude oil pollution, rock core damage rate reaches 72%; And this water-base emulsion composite blockage relieving liquid is to comprehensively blocking the plugging removal effect had, core permeability recovery value reaches 96.0%.
The above is preferred embodiment of the present invention, above-mentioned illustrating does not do any pro forma restriction to flesh and blood of the present invention, any simple modification that person of an ordinary skill in the technical field has done above embodiment according to technical spirit of the present invention after having read this specification sheets or distortion, and the technology contents of above-mentioned announcement may be utilized to be changed or be modified to the Equivalent embodiments of equivalent variations, all still belong in the scope of technical solution of the present invention, and do not deviate from the spirit and scope of the invention.
Claims (9)
1. a water-base emulsion composite blockage relieving agent, is characterized in that: it is mixed according to the mass fraction ratio of 4 ~ 6:1 by inorganic de-blocking agent and organic deblocking agent.
2. a kind of water-base emulsion composite blockage relieving agent according to claim 1, is characterized in that: described organic deblocking agent is mono alkyl ester and the organic polyether ester mixture of polyvalent alcohol of complicated longer chain fatty acid; Wherein the mono alkyl ester of lipid acid is the lipid acid mono alkyl ester that C16-C18 lipid acid and methyl alcohol are obtained by reacting; Polyether glycol is that Dicarboxylic Acids and ethylene glycol are polymerized; Its ratio of quality and the number of copies is lipid acid mono alkyl ester: polyether glycol=5 ~ 10:1.
3. a kind of water-base emulsion composite blockage relieving agent according to claim 1, is characterized in that: described inorganic de-blocking agent is made up of the raw material of following mass parts:
。
4. a kind of water-base emulsion composite blockage relieving agent according to claim 1, it is characterized in that: described organic acid is methanesulfonic, thionamic acid, chloroacetic mixture, and its ratio of quality and the number of copies is methanesulfonic: thionamic acid: Mono Chloro Acetic Acid=0.5 ~ 1:0.5 ~ 1:1 ~ 1.5.
5. a kind of water-base emulsion composite blockage relieving agent according to claim 1, it is characterized in that: described dirty changing agent is the mixture of ATMP, HPAA, HEDP, its ratio of quality and the number of copies is ATMP:HPAA:HEDP=1.5 ~ 2:0.5 ~ 1:1.
6. a kind of water-base emulsion composite blockage relieving agent according to claim 1, it is characterized in that: described Fe stabilizer is the mixture of citric acid, EDTA, its ratio of quality and the number of copies is citric acid: EDTA=0.5 ~ 1:0.2 ~ 0.5.
7. a kind of water-base emulsion composite blockage relieving agent according to claim 1, it is characterized in that: described inhibiter is the mixture of organic amide class inhibiter, imidazolidine derivatives inhibiter, IS-129, propiolic alcohol, its ratio of quality and the number of copies is organic amide class inhibiter: imidazolidine derivatives inhibiter: IS-129: propiolic alcohol=0.2 ~ 0.5:0.1 ~ 0.2:1.5 ~ 2:0.5 ~ 1.
8. a kind of water-base emulsion composite blockage relieving agent according to claim 1, it is characterized in that: described clay stabilizer is the mixture of Repone K, ammonium chloride, epoxy chloropropane-polyethylene polyamine polycondensate, and its ratio of quality and the number of copies is Repone K: ammonium chloride: epoxypropyltrimethylchloride chloride=0.1 ~ 0.5:0.5 ~ 1:0.2 ~ 1.
9. a kind of water-base emulsion composite blockage relieving agent according to claim 1, it is characterized in that: described promoting agent is the mixture of fluorine-containing type high reactivity cleanup additive, OP-10, penetrant t, its ratio of quality and the number of copies is fluorine-containing type high reactivity cleanup additive: OP-10: penetrant t=0.5:0.5 ~ 1:0.2 ~ 1.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085394A (en) * | 2016-06-07 | 2016-11-09 | 中国石油天然气股份有限公司 | Composite blocking remover for second-class oil layer polymer injection well |
| CN107663446A (en) * | 2016-07-28 | 2018-02-06 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid de-plugging agent and preparation method thereof |
| CN108048071A (en) * | 2018-01-12 | 2018-05-18 | 中国海洋石油集团有限公司 | It is a kind of for chemical increasing production liquid of low permeability reservoir and preparation method thereof |
| CN110129018A (en) * | 2019-05-07 | 2019-08-16 | 中国海洋石油集团有限公司 | A kind of non-acid deblocking agent and preparation method thereof for heavy oil wells |
| CN111073617A (en) * | 2019-11-28 | 2020-04-28 | 中国海洋石油集团有限公司 | Self-emulsifying blockage removing liquid and preparation method thereof |
| CN111269708A (en) * | 2020-03-05 | 2020-06-12 | 克拉玛依市仁通科技有限责任公司 | Composite blocking remover for water injection well |
| CN112029489A (en) * | 2020-08-10 | 2020-12-04 | 中国石油天然气集团有限公司 | Formula and preparation method of low-pressure gas field old well re-production blockage removing working solution |
| CN113150759A (en) * | 2021-03-26 | 2021-07-23 | 西安石油大学 | Chemical blocking remover for oil field water injection well |
| CN114854382A (en) * | 2022-04-20 | 2022-08-05 | 大庆华理生物技术股份有限公司 | Plugging and injection increasing system for biological microemulsion of low-permeability oil reservoir and injection process thereof |
| CN114854383A (en) * | 2022-04-20 | 2022-08-05 | 海南粤鲁石油装备技术服务有限公司 | Indissolvable scale dispersion blockage removing system and using method thereof |
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| CN106085394A (en) * | 2016-06-07 | 2016-11-09 | 中国石油天然气股份有限公司 | Composite blocking remover for second-class oil layer polymer injection well |
| CN106085394B (en) * | 2016-06-07 | 2019-10-18 | 中国石油天然气股份有限公司 | Composite blocking remover for second-class oil layer polymer injection well |
| CN107663446A (en) * | 2016-07-28 | 2018-02-06 | 中国石油化工股份有限公司 | A kind of oil base drilling fluid de-plugging agent and preparation method thereof |
| CN108048071A (en) * | 2018-01-12 | 2018-05-18 | 中国海洋石油集团有限公司 | It is a kind of for chemical increasing production liquid of low permeability reservoir and preparation method thereof |
| CN110129018A (en) * | 2019-05-07 | 2019-08-16 | 中国海洋石油集团有限公司 | A kind of non-acid deblocking agent and preparation method thereof for heavy oil wells |
| CN111073617A (en) * | 2019-11-28 | 2020-04-28 | 中国海洋石油集团有限公司 | Self-emulsifying blockage removing liquid and preparation method thereof |
| CN111269708A (en) * | 2020-03-05 | 2020-06-12 | 克拉玛依市仁通科技有限责任公司 | Composite blocking remover for water injection well |
| CN112029489A (en) * | 2020-08-10 | 2020-12-04 | 中国石油天然气集团有限公司 | Formula and preparation method of low-pressure gas field old well re-production blockage removing working solution |
| CN112029489B (en) * | 2020-08-10 | 2022-07-05 | 中国石油天然气集团有限公司 | Formula and preparation method of low-pressure gas field old well re-production blockage removing working solution |
| CN113150759A (en) * | 2021-03-26 | 2021-07-23 | 西安石油大学 | Chemical blocking remover for oil field water injection well |
| CN114854382A (en) * | 2022-04-20 | 2022-08-05 | 大庆华理生物技术股份有限公司 | Plugging and injection increasing system for biological microemulsion of low-permeability oil reservoir and injection process thereof |
| CN114854383A (en) * | 2022-04-20 | 2022-08-05 | 海南粤鲁石油装备技术服务有限公司 | Indissolvable scale dispersion blockage removing system and using method thereof |
| CN114854383B (en) * | 2022-04-20 | 2023-10-20 | 海南粤鲁石油装备技术服务有限公司 | Insoluble scale dispersion blocking removal system and application method thereof |
| CN114854382B (en) * | 2022-04-20 | 2023-12-12 | 大庆华理生物技术股份有限公司 | Low-permeability oil reservoir bio-based microemulsion blocking removal and injection enhancement system and injection process thereof |
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Denomination of invention: A Water based lotion Composite Blocking Remover Effective date of registration: 20231219 Granted publication date: 20171110 Pledgee: Industrial and Commercial Bank of China Limited Jingzhou Branch Pledgor: HUBEI HANC NEW-TECHNOLOGY Co.,Ltd. Registration number: Y2023980072729 |
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