DE2713898C2 - Zementzusammensetzung mit einem Gehalt eines Ligninderivats als Verzögerungsmittel, Verfahren zu ihrer Herstellung und Verwendung eines Verzögerungsadditivs - Google Patents
Zementzusammensetzung mit einem Gehalt eines Ligninderivats als Verzögerungsmittel, Verfahren zu ihrer Herstellung und Verwendung eines VerzögerungsadditivsInfo
- Publication number
- DE2713898C2 DE2713898C2 DE2713898A DE2713898A DE2713898C2 DE 2713898 C2 DE2713898 C2 DE 2713898C2 DE 2713898 A DE2713898 A DE 2713898A DE 2713898 A DE2713898 A DE 2713898A DE 2713898 C2 DE2713898 C2 DE 2713898C2
- Authority
- DE
- Germany
- Prior art keywords
- lignosulfonate
- weight
- cement
- resulfonated
- cement composition
- 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.)
- Expired
Links
- 239000004568 cement Substances 0.000 title claims description 63
- 239000000203 mixture Substances 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 16
- 230000008569 process Effects 0.000 title claims description 10
- 239000000654 additive Substances 0.000 title description 49
- 230000000996 additive effect Effects 0.000 title description 20
- 229920005610 lignin Polymers 0.000 title description 11
- 230000000979 retarding effect Effects 0.000 title description 9
- 239000003340 retarding agent Substances 0.000 title 1
- 229920001732 Lignosulfonate Polymers 0.000 claims description 72
- 230000006326 desulfonation Effects 0.000 claims description 9
- 238000005869 desulfonation reaction Methods 0.000 claims description 9
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 7
- 239000011396 hydraulic cement Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- -1 alkali metal salt Chemical class 0.000 claims description 3
- 241000208565 Lignosus Species 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000000463 material Substances 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 23
- 239000000047 product Substances 0.000 description 22
- 229910052717 sulfur Inorganic materials 0.000 description 21
- 239000011593 sulfur Substances 0.000 description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 20
- 239000007787 solid Substances 0.000 description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 15
- 239000007788 liquid Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 239000002351 wastewater Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 11
- 239000000523 sample Substances 0.000 description 10
- 239000007858 starting material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- 235000000346 sugar Nutrition 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000008719 thickening Effects 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000004927 clay Substances 0.000 description 5
- 235000019256 formaldehyde Nutrition 0.000 description 5
- 229940079826 hydrogen sulfite Drugs 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 4
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 4
- 238000006277 sulfonation reaction Methods 0.000 description 4
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 4
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 4
- 235000012141 vanillin Nutrition 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 229910006069 SO3H Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 235000019892 Stellar Nutrition 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 150000008163 sugars Chemical class 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- FOGYNLXERPKEGN-UHFFFAOYSA-N 3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfopropyl)phenoxy]propane-1-sulfonic acid Chemical compound COC1=CC=CC(CC(CS(O)(=O)=O)OC=2C(=CC(CCCS(O)(=O)=O)=CC=2)OC)=C1O FOGYNLXERPKEGN-UHFFFAOYSA-N 0.000 description 1
- 244000215068 Acacia senegal Species 0.000 description 1
- 239000010755 BS 2869 Class G Substances 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
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 239000004117 Lignosulphonate Substances 0.000 description 1
- JQYCSHXHVCKLGB-UHFFFAOYSA-N S.OS(O)=O Chemical compound S.OS(O)=O JQYCSHXHVCKLGB-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 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
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 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
- 230000008033 biological extinction Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 235000019357 lignosulphonate Nutrition 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- XUIVKWAWICCWIQ-UHFFFAOYSA-M sodium;formaldehyde;hydrogen sulfite Chemical compound [Na+].O=C.OS([O-])=O XUIVKWAWICCWIQ-UHFFFAOYSA-M 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- YALHCTUQSQRCSX-UHFFFAOYSA-N sulfane sulfuric acid Chemical compound S.OS(O)(=O)=O YALHCTUQSQRCSX-UHFFFAOYSA-N 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
- C04B24/18—Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
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)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/671,159 US4065318A (en) | 1976-03-29 | 1976-03-29 | Well cementing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2713898A1 DE2713898A1 (de) | 1977-10-27 |
| DE2713898C2 true DE2713898C2 (de) | 1983-05-11 |
Family
ID=24693356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2713898A Expired DE2713898C2 (de) | 1976-03-29 | 1977-03-29 | Zementzusammensetzung mit einem Gehalt eines Ligninderivats als Verzögerungsmittel, Verfahren zu ihrer Herstellung und Verwendung eines Verzögerungsadditivs |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4065318A (oth) |
| AT (1) | AT372935B (oth) |
| CA (1) | CA1147327A (oth) |
| CH (1) | CH634540A5 (oth) |
| DE (1) | DE2713898C2 (oth) |
| FI (1) | FI61861C (oth) |
| FR (1) | FR2346302A1 (oth) |
| NO (1) | NO147418C (oth) |
| SE (1) | SE428011B (oth) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4293342A (en) * | 1978-02-09 | 1981-10-06 | American Can Company | Lignosulfonate derivatives |
| US4176720A (en) * | 1978-07-27 | 1979-12-04 | Atlantic Richfield Company | Well cementing in permafrost |
| JPS5556051A (en) * | 1978-10-16 | 1980-04-24 | Sanyo Kokusaku Pulp Co | Slump decrease preventing agent for mortar concrete and workability improvement thereby |
| US4926944A (en) * | 1989-01-17 | 1990-05-22 | Westvaco Corporation | Lignin-based cement fluid loss control additive |
| US4990191A (en) * | 1989-02-21 | 1991-02-05 | Westvaco Corporation | Aminated sulfonated or sulfomethylated lignins as cement fluid loss control additives |
| DE4218183A1 (de) * | 1992-06-02 | 1993-12-09 | Bayer Ag | Verbesserte mineralische Baustoffe mit Zusatzmitteln |
| US5613558A (en) * | 1995-06-02 | 1997-03-25 | Bj Services Company | Method for controlling the set time of cement |
| US5890840A (en) * | 1995-12-08 | 1999-04-06 | Carter, Jr.; Ernest E. | In situ construction of containment vault under a radioactive or hazardous waste site |
| CA3030871C (en) | 2016-07-20 | 2021-03-30 | Hexion Inc. | Materials and methods of use as additives for oilwell cementing |
| US11643588B2 (en) | 2017-12-04 | 2023-05-09 | Hexion Inc. | Multiple functional wellbore fluid additive |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126291A (en) * | 1964-03-24 | Taaiv | ||
| US2491832A (en) * | 1946-09-23 | 1949-12-20 | Marathon Corp | Lignin dispersing agents and method of making same |
| US2680113A (en) * | 1949-12-22 | 1954-06-01 | Svenska Cellulosaforeningens C | Method of producing water-soluble products from black liquor lignin |
| US2880102A (en) * | 1956-04-12 | 1959-03-31 | Dow Chemical Co | Well cementing compositions and method of preparing the same |
| US3634387A (en) * | 1969-06-02 | 1972-01-11 | Westvaco Corp | Sulfomethylated lignin-ferrochrome complex and process for producing same |
| US3753748A (en) * | 1970-06-01 | 1973-08-21 | Dow Chemical Co | Hydraulic cement retarder composition |
| GB1384571A (en) * | 1971-01-25 | 1975-02-19 | Lone Star Ind Inc | Well cementing compositions and method |
| US3772045A (en) * | 1971-04-05 | 1973-11-13 | Lone Star Cement Corp | Additive cement compositions and method |
| US4047567A (en) * | 1976-02-02 | 1977-09-13 | Halliburton Company | Oil well cementing process |
-
1976
- 1976-03-29 US US05/671,159 patent/US4065318A/en not_active Expired - Lifetime
-
1977
- 1977-01-31 FI FI770335A patent/FI61861C/fi not_active IP Right Cessation
- 1977-02-10 CA CA000271478A patent/CA1147327A/en not_active Expired
- 1977-03-23 FR FR7708740A patent/FR2346302A1/fr active Granted
- 1977-03-23 CH CH368077A patent/CH634540A5/de not_active IP Right Cessation
- 1977-03-28 NO NO771081A patent/NO147418C/no unknown
- 1977-03-28 SE SE7703535A patent/SE428011B/xx not_active IP Right Cessation
- 1977-03-28 AT AT0215277A patent/AT372935B/de not_active IP Right Cessation
- 1977-03-29 DE DE2713898A patent/DE2713898C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2713898A1 (de) | 1977-10-27 |
| NO147418C (no) | 1983-04-06 |
| FI61861B (fi) | 1982-06-30 |
| ATA215277A (de) | 1983-04-15 |
| SE7703535L (sv) | 1977-09-30 |
| FI770335A7 (oth) | 1977-09-30 |
| US4065318A (en) | 1977-12-27 |
| CA1147327A (en) | 1983-05-31 |
| FI61861C (fi) | 1982-10-11 |
| FR2346302A1 (fr) | 1977-10-28 |
| SE428011B (sv) | 1983-05-30 |
| FR2346302B1 (oth) | 1983-09-02 |
| NO147418B (no) | 1982-12-27 |
| NO771081L (no) | 1977-09-30 |
| AT372935B (de) | 1983-11-25 |
| CH634540A5 (de) | 1983-02-15 |
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Owner name: REED LIGNIN, INC., GREENWICH, CONN., US |
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Free format text: FINCKE, H., DR.-ING. BOHR, H., DIPL.-ING. STAEGER, S., DIPL.-ING. SPERLING, R., DIPL.-ING. DIPL.-WIRTSCH.-ING., PAT.-ANW., 8000 MUENCHEN [ |
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