NO750554L - - Google Patents
Info
- Publication number
- NO750554L NO750554L NO750554A NO750554A NO750554L NO 750554 L NO750554 L NO 750554L NO 750554 A NO750554 A NO 750554A NO 750554 A NO750554 A NO 750554A NO 750554 L NO750554 L NO 750554L
- Authority
- NO
- Norway
- Prior art keywords
- acid
- salt
- weak acid
- fluoride
- weak
- Prior art date
Links
- 239000002253 acid Substances 0.000 claims description 133
- 239000000243 solution Substances 0.000 claims description 59
- 150000003839 salts Chemical class 0.000 claims description 39
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 34
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 29
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 150000004673 fluoride salts Chemical class 0.000 claims description 20
- 239000000872 buffer Substances 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 230000020477 pH reduction Effects 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 10
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 7
- 235000019257 ammonium acetate Nutrition 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000005695 Ammonium acetate Substances 0.000 claims description 6
- 229940043376 ammonium acetate Drugs 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 5
- 235000019253 formic acid Nutrition 0.000 claims description 5
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 150000007513 acids Chemical class 0.000 description 26
- 239000004927 clay Substances 0.000 description 12
- -1 hydronium ions Chemical class 0.000 description 12
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 238000005755 formation reaction Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-O oxonium Chemical compound [OH3+] XLYOFNOQVPJJNP-UHFFFAOYSA-O 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000003929 acidic solution Substances 0.000 description 4
- 229910001748 carbonate mineral Inorganic materials 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229940080314 sodium bentonite Drugs 0.000 description 2
- 229910000280 sodium bentonite Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- ZMZINYUKVRMNTG-UHFFFAOYSA-N acetic acid;formic acid Chemical compound OC=O.CC(O)=O ZMZINYUKVRMNTG-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001515 alkali metal fluoride Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 229940092782 bentonite Drugs 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 229960004275 glycolic acid Drugs 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002895 organic esters Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000011091 sodium acetates Nutrition 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/933—Acidizing or formation destroying
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Colloid Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US444207A US3889753A (en) | 1974-02-21 | 1974-02-21 | Buffer regulated mud acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO750554L true NO750554L (fr) | 1975-08-22 |
Family
ID=23763941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO750554A NO750554L (fr) | 1974-02-21 | 1975-02-19 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3889753A (fr) |
| CA (1) | CA1062449A (fr) |
| DE (1) | DE2507013A1 (fr) |
| GB (1) | GB1494448A (fr) |
| MY (1) | MY7800333A (fr) |
| NL (1) | NL7501944A (fr) |
| NO (1) | NO750554L (fr) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026361A (en) * | 1976-06-14 | 1977-05-31 | Shell Oil Company | Treating wells with a temporarily thickening cellulose ether solution |
| US4056146A (en) * | 1976-07-06 | 1977-11-01 | Halliburton Company | Method for dissolving clay |
| US4090563A (en) * | 1976-12-27 | 1978-05-23 | Shell Oil Company | Increasing the clay dissolving capability of a buffer-regulated mud acid |
| US4136739A (en) * | 1977-08-19 | 1979-01-30 | Exxon Production Research Company | Method for generating hydrofluoric acid in a subterranean formation |
| US4219083A (en) * | 1979-04-06 | 1980-08-26 | Shell Oil Company | Chemical process for backsurging fluid through well casing perforations |
| US4371443A (en) * | 1981-02-09 | 1983-02-01 | Halliburton Company | Method of and composition for acidizing subterranean formations |
| US4518040A (en) * | 1983-06-29 | 1985-05-21 | Halliburton Company | Method of fracturing a subterranean formation |
| US4695389A (en) * | 1984-03-16 | 1987-09-22 | Dowell Schlumberger Incorporated | Aqueous gelling and/or foaming agents for aqueous acids and methods of using the same |
| US4548732A (en) * | 1984-04-18 | 1985-10-22 | Shell Oil Company | Process for acidizing hot siliceous material |
| US4669545A (en) * | 1986-05-27 | 1987-06-02 | Shell Oil Company | Well acidization with alpha-hydroxysulfonic acid |
| US4703803A (en) * | 1986-06-24 | 1987-11-03 | Cities Service Oil & Gas Corporation | Composition and method for slowly dissolving siliceous material |
| EP0654582B1 (fr) | 1993-11-18 | 1999-01-13 | Halliburton Energy Services, Inc. | Réduction de la précipitation d'aluminium pendant l'acidification dans les gisements souterrains |
| US5529125A (en) * | 1994-12-30 | 1996-06-25 | B. J. Services Company | Acid treatment method for siliceous formations |
| US5662769A (en) * | 1995-02-21 | 1997-09-02 | Advanced Micro Devices, Inc. | Chemical solutions for removing metal-compound contaminants from wafers after CMP and the method of wafer cleaning |
| US6015535A (en) | 1995-04-06 | 2000-01-18 | Cabot Corporation | Process for producing purified cesium compound from cesium alum |
| US6572453B1 (en) | 1998-09-29 | 2003-06-03 | Applied Materials, Inc. | Multi-fluid polishing process |
| AU4834700A (en) * | 1999-05-13 | 2000-12-05 | Schlumberger Technology Corporation | Method for acidizing a subterranean formation |
| US6436302B1 (en) | 1999-08-23 | 2002-08-20 | Applied Materials, Inc. | Post CU CMP polishing for reduced defects |
| US7220322B1 (en) | 2000-08-24 | 2007-05-22 | Applied Materials, Inc. | Cu CMP polishing pad cleaning |
| US7059414B2 (en) * | 2003-07-22 | 2006-06-13 | Bj Services Company | Acidizing stimulation method using a pH buffered acid solution |
| US7222672B2 (en) * | 2004-01-16 | 2007-05-29 | Halliburton Energy Services, Inc. | Wellbore fluids containing additives for removing a filter cake and methods of using the same |
| US20060131022A1 (en) * | 2004-12-17 | 2006-06-22 | Bj Services Company | Matrix treatment of damaged sandstone formations using buffered HF-acidizing solutions |
| US7328746B2 (en) * | 2005-03-01 | 2008-02-12 | Saudi Arabian Oil Company | Method and composition for forming protective precipitate on cement surfaces prior to formation acidizing treatment |
| US9027647B2 (en) | 2006-08-04 | 2015-05-12 | Halliburton Energy Services, Inc. | Treatment fluids containing a biodegradable chelating agent and methods for use thereof |
| US8567504B2 (en) | 2006-08-04 | 2013-10-29 | Halliburton Energy Services, Inc. | Composition and method relating to the prevention and remediation of surfactant gel damage |
| US9127194B2 (en) | 2006-08-04 | 2015-09-08 | Halliburton Energy Services, Inc. | Treatment fluids containing a boron trifluoride complex and methods for use thereof |
| US9120964B2 (en) | 2006-08-04 | 2015-09-01 | Halliburton Energy Services, Inc. | Treatment fluids containing biodegradable chelating agents and methods for use thereof |
| US8727002B2 (en) * | 2010-12-14 | 2014-05-20 | Halliburton Energy Services, Inc. | Acidic treatment fluids containing non-polymeric silica scale control additives and methods related thereto |
| US8881823B2 (en) | 2011-05-03 | 2014-11-11 | Halliburton Energy Services, Inc. | Environmentally friendly low temperature breaker systems and related methods |
| CA2848002A1 (fr) * | 2011-09-29 | 2013-04-04 | Saudi Arabian Oil Company | Systeme tampon genere in-situ |
| US9334716B2 (en) | 2012-04-12 | 2016-05-10 | Halliburton Energy Services, Inc. | Treatment fluids comprising a hydroxypyridinecarboxylic acid and methods for use thereof |
| US9670399B2 (en) | 2013-03-15 | 2017-06-06 | Halliburton Energy Services, Inc. | Methods for acidizing a subterranean formation using a stabilized microemulsion carrier fluid |
| NZ729498A (en) * | 2014-08-26 | 2023-09-29 | Ecolab Usa Inc | Fluro-inorganics for inhibiting or removing silica or metal silicate deposits |
| AU2021276459B2 (en) | 2020-05-20 | 2024-02-22 | Nouryon Chemicals International B.V. | Salt of monochloroacetic acid with acid for delayed acidification in the oil field industry |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2680009A (en) * | 1953-02-25 | 1954-06-01 | Rca Corp | Cooling unit |
| US3543856A (en) * | 1969-08-19 | 1970-12-01 | Halliburton Co | Method of acidizing wells |
| US3828854A (en) * | 1973-04-16 | 1974-08-13 | Shell Oil Co | Dissolving siliceous materials with self-acidifying liquid |
-
1974
- 1974-02-21 US US444207A patent/US3889753A/en not_active Expired - Lifetime
-
1975
- 1975-01-29 CA CA218,986A patent/CA1062449A/fr not_active Expired
- 1975-02-19 NO NO750554A patent/NO750554L/no unknown
- 1975-02-19 GB GB6986/75A patent/GB1494448A/en not_active Expired
- 1975-02-19 DE DE19752507013 patent/DE2507013A1/de not_active Withdrawn
- 1975-02-19 NL NL7501944A patent/NL7501944A/xx not_active Application Discontinuation
-
1978
- 1978-12-30 MY MY333/78A patent/MY7800333A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7501944A (nl) | 1975-08-25 |
| US3889753A (en) | 1975-06-17 |
| CA1062449A (fr) | 1979-09-18 |
| DE2507013A1 (de) | 1975-09-04 |
| GB1494448A (en) | 1977-12-07 |
| MY7800333A (en) | 1978-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO750554L (fr) | ||
| NO774439L (no) | Fremgangsmaate ved surgjoering av en underjordisk formasjon og slamsyre for utfoerelse av fremgangsmaaten | |
| US4007792A (en) | Hydraulic fracturing method using viscosified surfactant solutions | |
| US4120356A (en) | Well-cleaning process using viscosified surfactant solutions | |
| NO334462B1 (no) | Skummede, syrebehandlingsvæsker | |
| WO2018187565A1 (fr) | Compositions et procédés destinés à la distribution régulée d'acide | |
| US9038724B2 (en) | Oxygen scavenger compositions for completion brines | |
| NO175750B (no) | Vandig polysakkaridpreparat, fremgangsmåte for fremstilling derav og anvendelse av preparatet | |
| NO143430B (no) | Fremgangsmaate og selvsurgjoerende vaeskesystem for behandling av silisiumholdige materialer | |
| NO342139B1 (no) | Fremgangsmåte for oppløsning av syreløselig kiselholdig materiale i en brønn | |
| US3024191A (en) | Fracturing earth formations | |
| US4089787A (en) | Increasing the clay-dissolving capability of a relatively high pH self-generating mud acid | |
| US6976538B2 (en) | Methods and high density viscous salt water fluids for treating subterranean zones | |
| WO1980000590A1 (fr) | Methode amelioree d'entretien des puits | |
| MX2013012402A (es) | Fluidos de tratamiento que contienen agentes quelantes biodegradables y metodos para utilizar los mismos. | |
| RU2009115862A (ru) | Флюиды для обработки, загущенные модифицированным ксантаном, и связанные способы для заканчивания и возбуждения скважины | |
| CA1158428A (fr) | Inhibition de la reticulation de gommes de xanthane aqueuses en presence d'ions ferriques | |
| EP1340883A2 (fr) | Compositions d'agent de rupture à base d'acide aminocarboxylique, pour fluides de fracturation | |
| NO139232B (no) | Fremgangsmaate ved syrebehandling av materialer i et underjordisk omraade | |
| NO783458L (no) | Fremgangsmaate ved langsom surgjoering av carbonatmateriale i eller rundt en broenn | |
| NO750189L (fr) | ||
| Fulford | Effects of brine concentration and pressure drop on gypsum scaling in oil wells | |
| US3651868A (en) | Removal of calcium sulfate deposits | |
| US4330419A (en) | Method of and solvent for removing inorganic fluoride deposits | |
| GB2250761A (en) | Aqueous polysaccharide compositions and their use |