NO322890B1 - Fremgangsmate for fjerning av filterkake, fremgangsmate for boring og opprensning av borehull og forbedret oljebasert borefluidblanding - Google Patents

Fremgangsmate for fjerning av filterkake, fremgangsmate for boring og opprensning av borehull og forbedret oljebasert borefluidblanding Download PDF

Info

Publication number: NO322890B1
Authority: NO; Norway
Prior art keywords: acid; oil; fluid; surfactant; approx
Prior art date: 1996-08-02

Application number

NO19981159A

Other languages

English (en)

Norwegian (no)

Other versions

NO981159L (no

NO981159D0 (no

Inventor

Arvind D Patel

Original Assignee

Mi Llc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1996-08-02

Filing date

1998-03-16

Publication date

2006-12-18

1997-06-23 Priority claimed from US08/880,266 external-priority patent/US5888944A/en

1998-03-16 Application filed by Mi Llc filed Critical Mi Llc

1998-03-16 Publication of NO981159D0 publication Critical patent/NO981159D0/no

1998-05-15 Publication of NO981159L publication Critical patent/NO981159L/no

2006-12-18 Publication of NO322890B1 publication Critical patent/NO322890B1/no

Links

238000005553 drilling Methods 0.000 title claims abstract description 108
239000000203 mixture Substances 0.000 title claims abstract description 27
239000012530 fluid Substances 0.000 title claims description 155
238000000034 method Methods 0.000 title claims description 58
239000012065 filter cake Substances 0.000 title claims description 41
238000004140 cleaning Methods 0.000 title claims description 14
230000008569 process Effects 0.000 title description 6
239000004094 surface-active agent Substances 0.000 claims abstract description 104
239000000839 emulsion Substances 0.000 claims abstract description 79
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
238000006243 chemical reaction Methods 0.000 claims abstract description 11
239000002253 acid Substances 0.000 claims description 139
239000003921 oil Substances 0.000 claims description 103
235000019198 oils Nutrition 0.000 claims description 99
239000007787 solid Substances 0.000 claims description 54
125000000217 alkyl group Chemical group 0.000 claims description 34
238000005406 washing Methods 0.000 claims description 34
ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 22
239000000463 material Substances 0.000 claims description 22
150000002148 esters Chemical class 0.000 claims description 20
239000000047 product Substances 0.000 claims description 16
238000007056 transamidation reaction Methods 0.000 claims description 15
OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 claims description 14
-1 alkyl glucosides Chemical class 0.000 claims description 14
235000020778 linoleic acid Nutrition 0.000 claims description 14
OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 claims description 14
239000007788 liquid Substances 0.000 claims description 12
WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 11
LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 11
QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 11
239000005642 Oleic acid Substances 0.000 claims description 11
ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 11
239000007795 chemical reaction product Substances 0.000 claims description 11
QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 11
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 11
239000012266 salt solution Substances 0.000 claims description 11
229930182478 glucoside Natural products 0.000 claims description 9
239000013535 sea water Substances 0.000 claims description 9
235000019485 Safflower oil Nutrition 0.000 claims description 8
235000019486 Sunflower oil Nutrition 0.000 claims description 8
239000002285 corn oil Substances 0.000 claims description 8
235000005687 corn oil Nutrition 0.000 claims description 8
239000003813 safflower oil Substances 0.000 claims description 8
235000005713 safflower oil Nutrition 0.000 claims description 8
150000003839 salts Chemical class 0.000 claims description 8
239000003549 soybean oil Substances 0.000 claims description 8
235000012424 soybean oil Nutrition 0.000 claims description 8
239000002600 sunflower oil Substances 0.000 claims description 8
150000001241 acetals Chemical class 0.000 claims description 6
150000004649 carbonic acid derivatives Chemical class 0.000 claims description 6
239000002283 diesel fuel Substances 0.000 claims description 6
235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 6
150000002170 ethers Chemical class 0.000 claims description 6
229930195733 hydrocarbon Natural products 0.000 claims description 6
150000002430 hydrocarbons Chemical class 0.000 claims description 6
235000010446 mineral oil Nutrition 0.000 claims description 6
239000002480 mineral oil Substances 0.000 claims description 6
150000002894 organic compounds Chemical class 0.000 claims description 6
229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
125000005055 alkyl alkoxy group Chemical group 0.000 claims description 4
150000008131 glucosides Chemical class 0.000 claims description 4
238000013461 design Methods 0.000 claims description 2
244000068988 Glycine max Species 0.000 claims 1
235000010469 Glycine max Nutrition 0.000 claims 1
230000005714 functional activity Effects 0.000 claims 1
238000010348 incorporation Methods 0.000 claims 1
150000001412 amines Chemical class 0.000 abstract description 8
230000005595 deprotonation Effects 0.000 abstract 1
238000010537 deprotonation reaction Methods 0.000 abstract 1
230000005588 protonation Effects 0.000 abstract 1
238000002360 preparation method Methods 0.000 description 35
239000010802 sludge Substances 0.000 description 15
239000003795 chemical substances by application Substances 0.000 description 14
239000003995 emulsifying agent Substances 0.000 description 13
238000012360 testing method Methods 0.000 description 11
238000004519 manufacturing process Methods 0.000 description 9
235000002639 sodium chloride Nutrition 0.000 description 8
239000000126 substance Substances 0.000 description 8
238000013019 agitation Methods 0.000 description 7
239000002904 solvent Substances 0.000 description 7
150000001875 compounds Chemical class 0.000 description 6
235000014113 dietary fatty acids Nutrition 0.000 description 6
229930195729 fatty acid Natural products 0.000 description 6
239000000194 fatty acid Substances 0.000 description 6
239000000243 solution Substances 0.000 description 6
150000007513 acids Chemical class 0.000 description 5
230000015572 biosynthetic process Effects 0.000 description 5
238000011109 contamination Methods 0.000 description 5
150000004665 fatty acids Chemical class 0.000 description 5
238000005755 formation reaction Methods 0.000 description 5
238000002156 mixing Methods 0.000 description 5
239000007764 o/w emulsion Substances 0.000 description 5
239000002245 particle Substances 0.000 description 5
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
230000032683 aging Effects 0.000 description 4
238000005520 cutting process Methods 0.000 description 4
239000007789 gas Substances 0.000 description 4
239000007762 w/o emulsion Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
239000008186 active pharmaceutical agent Substances 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
238000005461 lubrication Methods 0.000 description 3
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
238000000518 rheometry Methods 0.000 description 3
239000000344 soap Substances 0.000 description 3
239000000080 wetting agent Substances 0.000 description 3
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
230000002411 adverse Effects 0.000 description 2
150000001336 alkenes Chemical class 0.000 description 2
150000001408 amides Chemical class 0.000 description 2
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
239000010428 baryte Substances 0.000 description 2
229910052601 baryte Inorganic materials 0.000 description 2
229910000019 calcium carbonate Inorganic materials 0.000 description 2
235000010216 calcium carbonate Nutrition 0.000 description 2
229910052923 celestite Inorganic materials 0.000 description 2
239000003599 detergent Substances 0.000 description 2
XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
239000010459 dolomite Substances 0.000 description 2
229910000514 dolomite Inorganic materials 0.000 description 2
239000000428 dust Substances 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
235000013980 iron oxide Nutrition 0.000 description 2
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
239000011707 mineral Substances 0.000 description 2
235000010755 mineral Nutrition 0.000 description 2
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
150000007524 organic acids Chemical class 0.000 description 2
235000005985 organic acids Nutrition 0.000 description 2
229920006122 polyamide resin Polymers 0.000 description 2
229910021646 siderite Inorganic materials 0.000 description 2
238000002791 soaking Methods 0.000 description 2
230000000638 stimulation Effects 0.000 description 2
UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 2
239000003784 tall oil Substances 0.000 description 2
BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
229910021532 Calcite Inorganic materials 0.000 description 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
239000004909 Moisturizer Substances 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
235000011054 acetic acid Nutrition 0.000 description 1
150000001243 acetic acids Chemical class 0.000 description 1
239000000654 additive Substances 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
239000010426 asphalt Substances 0.000 description 1
239000002199 base oil Substances 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000004568 cement Substances 0.000 description 1
235000015165 citric acid Nutrition 0.000 description 1
239000004927 clay Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000012937 correction Methods 0.000 description 1
230000006378 damage Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
125000004494 ethyl ester group Chemical group 0.000 description 1
238000009472 formulation Methods 0.000 description 1
239000000499 gel Substances 0.000 description 1
238000007429 general method Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000010442 halite Substances 0.000 description 1
229910052595 hematite Inorganic materials 0.000 description 1
239000011019 hematite Substances 0.000 description 1
239000003906 humectant Substances 0.000 description 1
239000004021 humic acid Substances 0.000 description 1
150000002462 imidazolines Chemical class 0.000 description 1
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
239000004310 lactic acid Substances 0.000 description 1
235000014655 lactic acid Nutrition 0.000 description 1
239000004571 lime Substances 0.000 description 1
235000012245 magnesium oxide Nutrition 0.000 description 1
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910001507 metal halide Inorganic materials 0.000 description 1
150000005309 metal halides Chemical class 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000001333 moisturizer Effects 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical class CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
238000012856 packing Methods 0.000 description 1
239000011236 particulate material Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
150000003014 phosphoric acid esters Chemical class 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000004033 plastic Substances 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
229920001281 polyalkylene Polymers 0.000 description 1
229920000768 polyamine Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
235000019260 propionic acid Nutrition 0.000 description 1
IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000010008 shearing Methods 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
241000894007 species Species 0.000 description 1
238000013112 stability test Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
239000000725 suspension Substances 0.000 description 1
239000011975 tartaric acid Substances 0.000 description 1
235000002906 tartaric acid Nutrition 0.000 description 1
230000009974 thixotropic effect Effects 0.000 description 1
230000009466 transformation Effects 0.000 description 1
UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
229910021539 ulexite Inorganic materials 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

Classifications

- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/068—Arrangements for treating drilling fluids outside the borehole using chemical treatment
- 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
- C09K8/02—Well-drilling compositions
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
- 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
- C09K8/02—Well-drilling compositions
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
- C09K8/36—Water-in-oil emulsions
- 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
- 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
- C09K2208/18—Bridging agents, i.e. particles for temporarily filling the pores of a formation; Graded salts
- 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
- Y10S507/925—Completion or workover fluid

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Mining & Mineral Resources (AREA)
Geology (AREA)
Fluid Mechanics (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Mechanical Engineering (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Geochemistry & Mineralogy (AREA)
Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Lubricants (AREA)
Colloid Chemistry (AREA)
Drilling Tools (AREA)
Fats And Perfumes (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Filtering Materials (AREA)
Treating Waste Gases (AREA)
Filtration Of Liquid (AREA)

NO19981159A 1996-08-02 1998-03-16 Fremgangsmate for fjerning av filterkake, fremgangsmate for boring og opprensning av borehull og forbedret oljebasert borefluidblanding NO322890B1 (no)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US2304396P	1996-08-02	1996-08-02
US08/862,201 US6218342B1 (en)	1996-08-02	1997-05-23	Oil-based drilling fluid
US08/880,266 US5888944A (en)	1996-08-02	1997-06-23	Oil-based drilling fluid
PCT/US1997/013574 WO1998005734A1 (en)	1996-08-02	1997-07-31	Improved oil-based drilling fluid

Publications (3)

Publication Number	Publication Date
NO981159D0 NO981159D0 (no)	1998-03-16
NO981159L NO981159L (no)	1998-05-15
NO322890B1 true NO322890B1 (no)	2006-12-18

Family

ID=26696660

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NO19981159A NO322890B1 (no)	1996-08-02	1998-03-16	Fremgangsmate for fjerning av filterkake, fremgangsmate for boring og opprensning av borehull og forbedret oljebasert borefluidblanding
NO19981161A NO327459B1 (no)	1996-08-02	1998-03-16	Forbedret oljebasert borevaeske

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NO19981161A NO327459B1 (no)	1996-08-02	1998-03-16	Forbedret oljebasert borevaeske

Country Status (8)

Country	Link
US (2)	US6218342B1 (de)
EP (2)	EP0854897B1 (de)
AT (2)	ATE236968T1 (de)
AU (1)	AU724271B2 (de)
CA (2)	CA2231734C (de)
DE (2)	DE69720676T2 (de)
NO (2)	NO322890B1 (de)
WO (2)	WO1998005734A1 (de)

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Also Published As

Publication number	Publication date
DE69729872D1 (de)	2004-08-19
US6790811B2 (en)	2004-09-14
EP0854897A1 (de)	1998-07-29
AU724271B2 (en)	2000-09-14
NO981161L (no)	1998-05-15
US20010051593A1 (en)	2001-12-13
NO981159L (no)	1998-05-15
CA2231555A1 (en)	1998-02-12
US6218342B1 (en)	2001-04-17
ATE271112T1 (de)	2004-07-15
EP0920484B1 (de)	2004-07-14
NO981159D0 (no)	1998-03-16
CA2231734C (en)	2008-03-11
CA2231734A1 (en)	1998-02-12
EP0920484A1 (de)	1999-06-09
ATE236968T1 (de)	2003-04-15
DE69720676D1 (de)	2003-05-15
WO1998005734A1 (en)	1998-02-12
WO1998005733A1 (en)	1998-02-12
DE69720676T2 (de)	2004-05-19
NO327459B1 (no)	2009-07-06
EP0854897B1 (de)	2003-04-09
CA2231555C (en)	2008-01-15
AU3904697A (en)	1998-02-25
DE69729872T2 (de)	2005-08-25
NO981161D0 (no)	1998-03-16

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2017-08-14	MK1K	Patent expired

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