NO175644B - - Google Patents

Download PDF

Info

Publication number: NO175644B
Authority: NO; Norway
Prior art keywords: potassium; cellulose; cmc; potassium salt; drilling mud
Prior art date: 1986-06-05

Application number

NO872322A

Other languages

English (en)

Norwegian (no)

Other versions

NO872322L (no

NO872322D0 (no

NO175644C (no

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.)

1986-06-05

Filing date

1987-06-03

Publication date

1994-08-01

1987-06-03 Application filed filed Critical

1987-06-03 Publication of NO872322D0 publication Critical patent/NO872322D0/no

1987-12-07 Publication of NO872322L publication Critical patent/NO872322L/no

1994-08-01 Publication of NO175644B publication Critical patent/NO175644B/no

1994-11-09 Publication of NO175644C publication Critical patent/NO175644C/no

Links

229920002678 cellulose Polymers 0.000 claims description 64
235000010980 cellulose Nutrition 0.000 claims description 64
229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 61
239000001913 cellulose Substances 0.000 claims description 59
XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 32
238000005553 drilling Methods 0.000 claims description 30
235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 29
239000001768 carboxy methyl cellulose Substances 0.000 claims description 25
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 24
239000004927 clay Substances 0.000 claims description 22
239000008112 carboxymethyl-cellulose Substances 0.000 claims description 21
239000000243 solution Substances 0.000 claims description 18
159000000001 potassium salts Chemical class 0.000 claims description 15
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
239000003795 chemical substances by application Substances 0.000 claims description 12
239000001103 potassium chloride Substances 0.000 claims description 12
235000011164 potassium chloride Nutrition 0.000 claims description 12
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
239000003792 electrolyte Substances 0.000 claims description 8
239000000706 filtrate Substances 0.000 claims description 8
239000007864 aqueous solution Substances 0.000 claims description 7
229920001732 Lignosulfonate Polymers 0.000 claims description 6
230000036571 hydration Effects 0.000 claims description 6
238000006703 hydration reaction Methods 0.000 claims description 6
238000006467 substitution reaction Methods 0.000 claims description 6
239000012153 distilled water Substances 0.000 claims description 5
239000011780 sodium chloride Substances 0.000 claims description 5
235000019738 Limestone Nutrition 0.000 claims description 4
229910052783 alkali metal Inorganic materials 0.000 claims description 4
125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 4
239000006028 limestone Substances 0.000 claims description 4
239000000463 material Substances 0.000 claims description 4
FIJPWGLOBMXXSF-UHFFFAOYSA-M potassium;2-hydroxyacetate Chemical compound [K+].OCC([O-])=O FIJPWGLOBMXXSF-UHFFFAOYSA-M 0.000 claims description 4
239000004094 surface-active agent Substances 0.000 claims description 4
235000011437 Amygdalus communis Nutrition 0.000 claims description 3
229920000298 Cellophane Polymers 0.000 claims description 3
229920000388 Polyphosphate Polymers 0.000 claims description 3
241000220304 Prunus dulcis Species 0.000 claims description 3
150000001340 alkali metals Chemical class 0.000 claims description 3
235000020224 almond Nutrition 0.000 claims description 3
239000010425 asbestos Substances 0.000 claims description 3
239000000314 lubricant Substances 0.000 claims description 3
239000010445 mica Substances 0.000 claims description 3
229910052618 mica group Inorganic materials 0.000 claims description 3
239000001205 polyphosphate Substances 0.000 claims description 3
235000011176 polyphosphates Nutrition 0.000 claims description 3
229910052895 riebeckite Inorganic materials 0.000 claims description 3
239000010902 straw Substances 0.000 claims description 3
229920001864 tannin Polymers 0.000 claims description 3
239000001648 tannin Substances 0.000 claims description 3
235000018553 tannin Nutrition 0.000 claims description 3
235000013311 vegetables Nutrition 0.000 claims description 3
239000010455 vermiculite Substances 0.000 claims description 3
229910052902 vermiculite Inorganic materials 0.000 claims description 3
235000019354 vermiculite Nutrition 0.000 claims description 3
239000012736 aqueous medium Substances 0.000 claims description 2
229920005610 lignin Polymers 0.000 claims description 2
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 33
CXHHBNMLPJOKQD-UHFFFAOYSA-N methyl hydrogen carbonate Chemical compound COC(O)=O CXHHBNMLPJOKQD-UHFFFAOYSA-N 0.000 description 22
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 21
239000000047 product Substances 0.000 description 18
239000010802 sludge Substances 0.000 description 13
239000011591 potassium Substances 0.000 description 12
229910052700 potassium Inorganic materials 0.000 description 12
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 11
FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 11
238000003756 stirring Methods 0.000 description 11
238000000034 method Methods 0.000 description 9
239000000725 suspension Substances 0.000 description 9
239000000203 mixture Substances 0.000 description 8
229910001414 potassium ion Inorganic materials 0.000 description 8
239000000440 bentonite Substances 0.000 description 7
229910000278 bentonite Inorganic materials 0.000 description 7
229940092782 bentonite Drugs 0.000 description 7
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 7
239000011541 reaction mixture Substances 0.000 description 7
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
230000032683 aging Effects 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 6
GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 6
229910052901 montmorillonite Inorganic materials 0.000 description 6
150000003839 salts Chemical class 0.000 description 6
159000000000 sodium salts Chemical class 0.000 description 6
229910001868 water Inorganic materials 0.000 description 6
DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 5
230000002401 inhibitory effect Effects 0.000 description 5
238000006116 polymerization reaction Methods 0.000 description 5
229910000831 Steel Inorganic materials 0.000 description 4
238000012512 characterization method Methods 0.000 description 4
239000008367 deionised water Substances 0.000 description 4
229910021641 deionized water Inorganic materials 0.000 description 4
239000003085 diluting agent Substances 0.000 description 4
229910052900 illite Inorganic materials 0.000 description 4
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
229910052622 kaolinite Inorganic materials 0.000 description 4
229920000642 polymer Polymers 0.000 description 4
235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 4
229920001027 sodium carboxymethylcellulose Polymers 0.000 description 4
239000010959 steel Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
229920000742 Cotton Polymers 0.000 description 3
NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000003638 chemical reducing agent Substances 0.000 description 3
230000001143 conditioned effect Effects 0.000 description 3
238000001914 filtration Methods 0.000 description 3
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 3
238000004519 manufacturing process Methods 0.000 description 3
VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
239000010453 quartz Substances 0.000 description 3
238000011084 recovery Methods 0.000 description 3
239000004576 sand Substances 0.000 description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
229910001415 sodium ion Inorganic materials 0.000 description 3
239000007790 solid phase Substances 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
239000000654 additive Substances 0.000 description 2
230000000996 additive effect Effects 0.000 description 2
230000001476 alcoholic effect Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
238000004090 dissolution Methods 0.000 description 2
239000007970 homogeneous dispersion Substances 0.000 description 2
230000005764 inhibitory process Effects 0.000 description 2
239000007791 liquid phase Substances 0.000 description 2
239000002609 medium Substances 0.000 description 2
229910000027 potassium carbonate Inorganic materials 0.000 description 2
XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
239000002023 wood Substances 0.000 description 2
229910021532 Calcite Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-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
229920000297 Rayon Polymers 0.000 description 1
239000004113 Sepiolite Substances 0.000 description 1
FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
229960000892 attapulgite Drugs 0.000 description 1
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
239000010428 baryte Substances 0.000 description 1
229910052601 baryte Inorganic materials 0.000 description 1
239000002585 base Substances 0.000 description 1
-1 carboxy- Chemical class 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
229910001919 chlorite Inorganic materials 0.000 description 1
229910052619 chlorite group Inorganic materials 0.000 description 1
229940106681 chloroacetic acid Drugs 0.000 description 1
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000012790 confirmation Methods 0.000 description 1
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 1
239000002270 dispersing agent Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000003651 drinking water Substances 0.000 description 1
235000020188 drinking water Nutrition 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000000605 extraction Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
229910052595 hematite Inorganic materials 0.000 description 1
239000011019 hematite Substances 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
229910052742 iron Inorganic materials 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
230000014759 maintenance of location Effects 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
239000002480 mineral oil Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000012299 nitrogen atmosphere Substances 0.000 description 1
239000003921 oil Substances 0.000 description 1
235000019198 oils Nutrition 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
229910052625 palygorskite Inorganic materials 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000004033 plastic Substances 0.000 description 1
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
239000012264 purified product Substances 0.000 description 1
229910052624 sepiolite Inorganic materials 0.000 description 1
235000019355 sepiolite Nutrition 0.000 description 1
229910021646 siderite Inorganic materials 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229940080314 sodium bentonite Drugs 0.000 description 1
229910000280 sodium bentonite Inorganic materials 0.000 description 1
239000002904 solvent Substances 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
230000008961 swelling Effects 0.000 description 1
235000015112 vegetable and seed oil Nutrition 0.000 description 1
239000008158 vegetable oil 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
- C09K8/02—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

Landscapes

Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Compositions Of Macromolecular Compounds (AREA)
Detergent Compositions (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Lubricants (AREA)
Silicates, Zeolites, And Molecular Sieves (AREA)

NO872322A 1986-06-05 1987-06-03 Vandig boreslam, og anvendelse av dette NO175644C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT20682/86A IT1190037B (it)	1986-06-05	1986-06-05	Fluido di perforazione potassico

Publications (4)

Publication Number	Publication Date
NO872322D0 NO872322D0 (no)	1987-06-03
NO872322L NO872322L (no)	1987-12-07
NO175644B true NO175644B (da)	1994-08-01
NO175644C NO175644C (no)	1994-11-09

Family

ID=11170496

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO872322A NO175644C (no)	1986-06-05	1987-06-03	Vandig boreslam, og anvendelse av dette

Country Status (10)

Country	Link
EP (1)	EP0248495B1 (da)
CN (1)	CN1025627C (da)
AU (1)	AU601430B2 (da)
CA (1)	CA1281175C (da)
DK (1)	DK175013B1 (da)
EG (1)	EG18868A (da)
ES (1)	ES2037703T3 (da)
IT (1)	IT1190037B (da)
MX (1)	MX168845B (da)
NO (1)	NO175644C (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1315977C (zh) *	2003-05-16	2007-05-16	韩文峰	无粘土油层保护钻井液
CN109337658A (zh) *	2018-12-03	2019-02-15	重庆力宏精细化工有限公司	一种水基钻井液添加剂及其钻井液和制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2425768A (en) *	1944-08-12	1947-08-19	Phillips Petroleum Co	Drilling fluids and method of use
US2468792A (en) *	1947-08-18	1949-05-03	Phillips Petroleum Co	Drilling fluids and methods of using same
US2776259A (en) *	1955-09-28	1957-01-01	Exxon Research Engineering Co	Drilling muds
AU423787B2 (en) *	1967-07-12	1972-05-02	Phillips Petroleum Company	Improvements in aqueous drilling fluids

1986
- 1986-06-05 IT IT20682/86A patent/IT1190037B/it active
1987
- 1987-06-01 CA CA000538509A patent/CA1281175C/en not_active Expired - Lifetime
- 1987-06-02 EP EP87201030A patent/EP0248495B1/en not_active Expired - Lifetime
- 1987-06-02 DK DK198702814A patent/DK175013B1/da not_active IP Right Cessation
- 1987-06-02 ES ES198787201030T patent/ES2037703T3/es not_active Expired - Lifetime
- 1987-06-03 NO NO872322A patent/NO175644C/no unknown
- 1987-06-03 AU AU73779/87A patent/AU601430B2/en not_active Expired
- 1987-06-04 EG EG32787A patent/EG18868A/xx active
- 1987-06-04 MX MX006779A patent/MX168845B/es unknown
- 1987-06-05 CN CN87105729A patent/CN1025627C/zh not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EG18868A (en)	1994-03-30
AU7377987A (en)	1987-12-10
CN87105729A (zh)	1988-03-09
AU601430B2 (en)	1990-09-13
DK281487A (da)	1987-12-06
ES2037703T3 (es)	1993-07-01
IT8620682A1 (it)	1987-12-05
CA1281175C (en)	1991-03-12
EP0248495B1 (en)	1992-12-02
CN1025627C (zh)	1994-08-10
NO872322L (no)	1987-12-07
IT1190037B (it)	1988-02-10
MX168845B (es)	1993-06-11
NO872322D0 (no)	1987-06-03
NO175644C (no)	1994-11-09
IT8620682A0 (it)	1986-06-05
EP0248495A2 (en)	1987-12-09
EP0248495A3 (en)	1989-06-14
DK281487D0 (da)	1987-06-02
DK175013B1 (da)	2004-04-26

Publication	Publication Date	Title
US7384892B2 (en)	2008-06-10	Water-based drilling fluids
EP1339811B1 (en)	2011-12-07	Environmentally acceptable fluid polymer suspension for oil field services
US5851959A (en)	1998-12-22	High temperature stable modified starch polymers and well drilling fluids employing same
CN101389729B (zh)	2015-12-09	用于完井液和修井液的乙氧基化的原棉短绒
NO314410B1 (no)	2003-03-17	Fluid for anvendelse i en oljebrönn, samt fremgangsmåte som gjennomföres ien oljebrönn og anvendelse av fremgangsmåten
NO20140723A1 (no)	2014-06-05	Sammensetning og fremgangsmåte
CA2374417C (en)	2010-11-30	Ligand-modified cellulose products
EP1957601A1 (en)	2008-08-20	Solvent free fluidized polymer suspensions for oilfield servicing fluids
US9266971B2 (en)	2016-02-23	Nonionic hydrophobically substituted cellulose ethers
MX2013001795A (es)	2013-03-21	Fluidos de servicio a pozos que comprenden un eter de celulosa.
Zhang et al.	2001	New water-soluble ampholytic polysaccharides for oilfield drilling treatment: a preliminary study
US7018955B2 (en)	2006-03-28	Drilling fluid, apparatus, and method
Aggrey et al.	2019	Performance of carboxymethyl cellulose produced from cocoa pod husk as fluid loss control agent at high temperatures and variable (low and high) differential pressure conditions-Part 1
EP1682630A1 (en)	2006-07-26	Use of cmc in drilling fluids
US5612294A (en)	1997-03-18	Scleroglucan based drilling mud
US2618595A (en)	1952-11-18	Well drilling composition
US20030191029A1 (en)	2003-10-09	Aqueous-based oil well drilling fluids containing high amylose starch polymers
NO175644B (da)	1994-08-01
US5985801A (en)	1999-11-16	Oil-free water-soluble hydroxyethyl cellulose liquid polymer dispersion
US2556222A (en)	1951-06-12	Drilling fluids and methods of using same
NO159535B (no)	1988-10-03	Fremgangsmaate for fremstilling av tunge saltopploesninger inneholdende vaesketapsreduserende mengder av hydroksyetylcellulose.
JPH01297488A (ja)	1989-11-30	泥水用調泥剤