CN110511735B - 一种致密油藏高粘度强溶蚀酸液体系 - Google Patents
一种致密油藏高粘度强溶蚀酸液体系 Download PDFInfo
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- CN110511735B CN110511735B CN201910865182.1A CN201910865182A CN110511735B CN 110511735 B CN110511735 B CN 110511735B CN 201910865182 A CN201910865182 A CN 201910865182A CN 110511735 B CN110511735 B CN 110511735B
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- 238000005260 corrosion Methods 0.000 title claims abstract description 123
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 42
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 28
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 28
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 14
- 229960003237 betaine Drugs 0.000 claims abstract description 14
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 12
- 239000003112 inhibitor Substances 0.000 claims abstract description 12
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims description 84
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 20
- -1 polyoxyethylene Polymers 0.000 claims description 17
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 15
- 239000004317 sodium nitrate Substances 0.000 claims description 10
- 235000010344 sodium nitrate Nutrition 0.000 claims description 10
- 239000003623 enhancer Substances 0.000 claims description 8
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 4
- 150000003973 alkyl amines Chemical class 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000011698 potassium fluoride Substances 0.000 claims description 3
- 235000003270 potassium fluoride Nutrition 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 32
- 239000010779 crude oil Substances 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 10
- 230000020477 pH reduction Effects 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
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- 239000000243 solution Substances 0.000 description 26
- 238000002474 experimental method Methods 0.000 description 19
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- 238000000034 method Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000979 retarding effect Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000003350 kerosene Substances 0.000 description 4
- 239000004579 marble Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000008398 formation water Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
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- 230000005764 inhibitory process Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000005313 fatty acid group Chemical group 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L magnesium chloride Substances [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/72—Eroding chemicals, e.g. acids
- C09K8/74—Eroding chemicals, e.g. acids combined with additives added for specific purposes
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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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/32—Anticorrosion additives
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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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
盐酸 | 甜菜碱 | 增强剂 | 氯化铵 | 助排剂 | 缓蚀剂 | 柠檬酸 | 破乳剂 | |
盐酸 | / | 清澈/增稠 | 清澈 | 清澈 | 清澈 | 清澈 | 清澈 | 清澈 |
甜菜碱 | 清澈/增稠 | / | 清澈/增稠 | 清澈/增稠 | 清澈/增稠 | 清澈/增稠 | 清澈/增稠 | 清澈/增稠 |
增强剂 | 清澈 | 清澈/增稠 | / | 清澈 | 清澈 | 清澈 | 清澈 | 清澈 |
氯化铵 | 清澈 | 清澈/增稠 | 清澈 | / | 清澈 | 清澈 | 清澈 | 清澈 |
助排剂 | 清澈 | 清澈/增稠 | 清澈 | 清澈 | / | 清澈 | 清澈 | 清澈 |
缓蚀剂 | 清澈 | 清澈/增稠 | 清澈 | 清澈 | 清澈 | / | 清澈 | 清澈 |
柠檬酸 | 清澈 | 清澈/增稠 | 清澈 | 清澈 | 清澈 | 清澈 | / | 清澈 |
破乳剂 | 清澈 | 清澈/增稠 | 清澈 | 清澈 | 清澈 | 清澈 | 清澈 | / |
原油加量/% | 0 | 1 | 3 | 5 | 10 | 20 |
体系粘度/mPa.S | 210 | 84 | 13 | 5 | 1.5 | 1.5 |
工作液 | 残酸 | 表面张力,mN/m | 界面张力,mN/m |
高粘强溶蚀酸液 | 岩屑残酸 | 25.12 | 0.11 |
Claims (3)
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CN201910865182.1A CN110511735B (zh) | 2019-09-12 | 2019-09-12 | 一种致密油藏高粘度强溶蚀酸液体系 |
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CN110511735B true CN110511735B (zh) | 2021-05-07 |
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CN110791279A (zh) * | 2019-11-18 | 2020-02-14 | 西安石油大学 | 一种低渗透砂岩油藏高粘度强溶蚀酸液体系 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107892911A (zh) * | 2017-11-10 | 2018-04-10 | 中国石油集团渤海钻探工程有限公司 | 多功能复合自转向酸体系 |
CN107892910A (zh) * | 2017-11-10 | 2018-04-10 | 中国石油集团渤海钻探工程有限公司 | 低成本多功能酸液体系 |
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CN107892911A (zh) * | 2017-11-10 | 2018-04-10 | 中国石油集团渤海钻探工程有限公司 | 多功能复合自转向酸体系 |
CN107892910A (zh) * | 2017-11-10 | 2018-04-10 | 中国石油集团渤海钻探工程有限公司 | 低成本多功能酸液体系 |
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Effective date of registration: 20220506 Address after: No.11 Tangyan Road, hi tech Zone, Xi'an, Shaanxi 710000 Hesheng Jingguang 40701 Patentee after: XI'AN PETROLEUM GREAT PETROLEUM TECHNOLOGY Co.,Ltd. Address before: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-d013282 (cluster registration) (JM) Patentee before: Guangzhou HuaSu Information Technology Co.,Ltd. Effective date of registration: 20220506 Address after: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-d013282 (cluster registration) (JM) Patentee after: Guangzhou HuaSu Information Technology Co.,Ltd. Address before: 710065, No. 18, two East, electronic road, Shaanxi, Xi'an Patentee before: XI'AN SHIYOU University |
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Denomination of invention: A high viscosity and strong dissolution acid system for tight oil reservoirs Granted publication date: 20210507 Pledgee: Shaanxi Qin Nong rural commercial bank Limited by Share Ltd. hi tech sub branch Pledgor: XI'AN PETROLEUM GREAT PETROLEUM TECHNOLOGY Co.,Ltd. Registration number: Y2024610000128 |