DE3129543A1 - Verfahren zur herstellung einer viskosen homogenen waessrigen loesung in einem bohrloch und bohrfluessigkeit - Google Patents
Verfahren zur herstellung einer viskosen homogenen waessrigen loesung in einem bohrloch und bohrfluessigkeitInfo
- Publication number
- DE3129543A1 DE3129543A1 DE19813129543 DE3129543A DE3129543A1 DE 3129543 A1 DE3129543 A1 DE 3129543A1 DE 19813129543 DE19813129543 DE 19813129543 DE 3129543 A DE3129543 A DE 3129543A DE 3129543 A1 DE3129543 A1 DE 3129543A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- aqueous solution
- viscosity
- polymer
- drilling fluid
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 239000007864 aqueous solution Substances 0.000 title claims description 25
- 239000007788 liquid Substances 0.000 title description 28
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000243 solution Substances 0.000 claims description 66
- 229920000642 polymer Polymers 0.000 claims description 42
- 239000012530 fluid Substances 0.000 claims description 34
- 238000005553 drilling Methods 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 30
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 25
- -1 salts calcium chloride Chemical class 0.000 claims description 21
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 claims description 20
- 229910001622 calcium bromide Inorganic materials 0.000 claims description 19
- WGEFECGEFUFIQW-UHFFFAOYSA-L calcium dibromide Chemical compound [Ca+2].[Br-].[Br-] WGEFECGEFUFIQW-UHFFFAOYSA-L 0.000 claims description 19
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 18
- 239000001110 calcium chloride Substances 0.000 claims description 18
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 18
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 13
- 229940102001 zinc bromide Drugs 0.000 claims description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- 239000012456 homogeneous solution Substances 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 10
- 229920002472 Starch Polymers 0.000 description 8
- 150000004677 hydrates Chemical class 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- 239000008107 starch Substances 0.000 description 8
- 230000003068 static effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 7
- 239000001913 cellulose Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 150000002170 ethers Chemical class 0.000 description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 229920001222 biopolymer Polymers 0.000 description 4
- 229920001612 Hydroxyethyl starch Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 125000004181 carboxyalkyl group Chemical group 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 229920013821 hydroxy alkyl cellulose Polymers 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 229940050526 hydroxyethylstarch Drugs 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 description 2
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 244000303965 Cyamopsis psoralioides Species 0.000 description 2
- 229920000161 Locust bean gum Polymers 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- 235000010420 locust bean gum Nutrition 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 description 1
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- 229940093475 2-ethoxyethanol Drugs 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 235000007627 Caesalpinia Nutrition 0.000 description 1
- 241000522234 Caesalpinia Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920000926 Galactomannan Polymers 0.000 description 1
- 229920002581 Glucomannan Polymers 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 241000589634 Xanthomonas Species 0.000 description 1
- 241000589636 Xanthomonas campestris Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005192 alkyl ethylene group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229920003064 carboxyethyl cellulose Polymers 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N dimethylmethane Natural products CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 229940046240 glucomannan Drugs 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000001341 hydroxy propyl starch Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 235000013828 hydroxypropyl starch Nutrition 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000007966 viscous suspension 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
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
-
- 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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/20—Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
- C09K8/206—Derivatives of other natural products, e.g. cellulose, starch, sugars
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17645280A | 1980-08-08 | 1980-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3129543A1 true DE3129543A1 (de) | 1982-03-25 |
Family
ID=22644412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813129543 Withdrawn DE3129543A1 (de) | 1980-08-08 | 1981-07-27 | Verfahren zur herstellung einer viskosen homogenen waessrigen loesung in einem bohrloch und bohrfluessigkeit |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5753584A (no) |
| AU (1) | AU547470B2 (no) |
| CA (1) | CA1168427A (no) |
| DE (1) | DE3129543A1 (no) |
| FR (1) | FR2488325B1 (no) |
| GB (1) | GB2085048B (no) |
| IT (1) | IT1137819B (no) |
| MX (1) | MX158191A (no) |
| NL (1) | NL8103523A (no) |
| NO (1) | NO812494L (no) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476032A (en) * | 1981-05-08 | 1984-10-09 | Nl Industries, Inc. | Method of increasing the rate of hydration of activated hydroethyl cellulose compositions |
| AU553329B2 (en) * | 1982-03-11 | 1986-07-10 | Baroid Technology, Inc. | Brines containing hydroxyethyl cellulose |
| JPS5953667A (ja) * | 1982-09-20 | 1984-03-28 | Pentel Kk | 無電解めつき法 |
| US5432292A (en) * | 1992-11-20 | 1995-07-11 | Colorado School Of Mines | Method for controlling clathrate hydrates in fluid systems |
| US5420370A (en) * | 1992-11-20 | 1995-05-30 | Colorado School Of Mines | Method for controlling clathrate hydrates in fluid systems |
| DE4339386A1 (de) * | 1993-11-18 | 1995-05-24 | Rwe Dea Ag | Flüssiges Bohrspül- und Verfüllungsmedium |
| US8833355B2 (en) | 2011-06-07 | 2014-09-16 | Jugs Sports, Inc. | Pneumatic tire for throwing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3625889A (en) * | 1969-08-28 | 1971-12-07 | Phillips Petroleum Co | Well completion fluids |
| US3953336A (en) * | 1973-09-07 | 1976-04-27 | Amoco Production Company | Drilling fluid |
-
1981
- 1981-06-30 CA CA000380906A patent/CA1168427A/en not_active Expired
- 1981-07-01 AU AU72464/81A patent/AU547470B2/en not_active Ceased
- 1981-07-16 GB GB8121994A patent/GB2085048B/en not_active Expired
- 1981-07-21 NO NO812494A patent/NO812494L/no unknown
- 1981-07-27 NL NL8103523A patent/NL8103523A/nl not_active Application Discontinuation
- 1981-07-27 DE DE19813129543 patent/DE3129543A1/de not_active Withdrawn
- 1981-08-03 FR FR8115059A patent/FR2488325B1/fr not_active Expired
- 1981-08-06 IT IT23407/81A patent/IT1137819B/it active
- 1981-08-07 JP JP56123168A patent/JPS5753584A/ja active Pending
- 1981-08-07 MX MX188639A patent/MX158191A/es unknown
Non-Patent Citations (1)
| Title |
|---|
| NICHTS ERMITTELT * |
Also Published As
| Publication number | Publication date |
|---|---|
| MX158191A (es) | 1989-01-16 |
| GB2085048A (en) | 1982-04-21 |
| AU547470B2 (en) | 1985-10-24 |
| FR2488325B1 (fr) | 1985-08-16 |
| AU7246481A (en) | 1982-02-11 |
| CA1168427A (en) | 1984-06-05 |
| NO812494L (no) | 1982-02-09 |
| IT8123407A0 (it) | 1981-08-06 |
| FR2488325A1 (fr) | 1982-02-12 |
| NL8103523A (nl) | 1982-03-01 |
| IT1137819B (it) | 1986-09-10 |
| JPS5753584A (en) | 1982-03-30 |
| GB2085048B (en) | 1984-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68905846T2 (de) | Gesaettigte laugen zur behandlung von bohrloechern und additive dafuer. | |
| DE3688303T2 (de) | Stabilisierte frakturierungsfluessigkeit und ihr vernetzer. | |
| DE3051022C2 (no) | ||
| DE69818148T2 (de) | Bohr- und Wartungsflüssigkeiten und Methoden zur Erhöhung der Viskosität bei geringer Schergeschwindigkeit | |
| DE3140637C2 (no) | ||
| DE60018857T2 (de) | Bohr- und Aufwartungsflüssigkeiten, die zweiwärtige Katione enthalten | |
| DE69517223T2 (de) | Bohr- und Wartungsflüssigkeiten, die einen leicht abnehmbaren Filterkuchen hinterlassen | |
| DE69418682T2 (de) | Polysaccharide enthaltende Flüssigkeiten mit verbesserter Hitzebeständigkeit | |
| DE69111359T2 (de) | Vernetzbare Zellulosederivate. | |
| DE69704993T2 (de) | Verfahren zur Regulierung des Flüssigkeitsverlustes in durchlässigen Formationen | |
| DE69822089T2 (de) | Glykollösung-Bohrsystem | |
| DE3871642T2 (de) | Guar-basierte frakturierungsfluessigkeit fuer hohe temperatur. | |
| DE69628066T2 (de) | Auf Wasser basierende Bohrflüssigkeit zur Verminderung der Wasserabsorption und Hydratisierung von tonartigen Gesteinen | |
| DE69519510T2 (de) | Mit Borat verzögerte, vernetzte Frakturierungsflüssigkeit für erhöhten Temperaturbereich | |
| DE69521345T2 (de) | Verfahren zum abbau von zellulosehaltigen fluiden während komplettierungsarbeiten in öl- und gasbohrlöchern | |
| DE69513561T2 (de) | Verfahren und wässerige Flussigkeit zur Kontrolle von Feststoffdispersionen und Verwendung für Bohrung | |
| DE69632729T2 (de) | Carboxyalkyl substituierte polygalactomann enthaltende fracturing-flüssigkeiten | |
| DE69514402T2 (de) | Verfahren zur Spaltung von Flüssigkeiten mit erhöhter Viskosität in einer Bohrquelle | |
| DE69208482T2 (de) | Bohrflüssigkeit | |
| DE60220228T2 (de) | Verfahren zur Erhöhung der Viskosität bei geringer Schergeschwindigkeit und dem Scherentzähungsindex von zweiwertigen Kationen enthaltenden Flüssigkeiten, und die dabei erhaltenen Flüssigkeiten | |
| DE69617132T2 (de) | Verfahren zur Reduzierung des Flüssigkeitverlust in Bohr- und Behandlungsflüssigkeiten | |
| DE69921110T2 (de) | Bohrflüssigkeiten und zusatzstoffen | |
| DE69418518T2 (de) | Flüssigkeitszusammensetzung ein Metallaluminat enthaltend oder ein Viskositätförderer mit einem Magnesiumderivat und Verfahren dass diese Zusammensetzung verwendet | |
| EP0362121A2 (de) | Bohrspüladditive auf Basis eines Polymergemisches, deren Verwendung sowie Verfahren zur Herstellung derselben | |
| DE3607056A1 (de) | Fluessiges verdickungsmittel fuer waessrige medien |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |