SE459257B - Flytbarhetsbefraemjande tillsatsmedel bestaaende av en vattenloeslig sampolymer samt anvaendning daerav i vattenbaserade borrslam - Google Patents
Flytbarhetsbefraemjande tillsatsmedel bestaaende av en vattenloeslig sampolymer samt anvaendning daerav i vattenbaserade borrslamInfo
- Publication number
- SE459257B SE459257B SE8306530A SE8306530A SE459257B SE 459257 B SE459257 B SE 459257B SE 8306530 A SE8306530 A SE 8306530A SE 8306530 A SE8306530 A SE 8306530A SE 459257 B SE459257 B SE 459257B
- Authority
- SE
- Sweden
- Prior art keywords
- group
- water
- additive
- use according
- copolymerization
- Prior art date
Links
- 239000000654 additive Substances 0.000 title claims description 39
- 229920001577 copolymer Polymers 0.000 title claims description 14
- 230000001737 promoting effect Effects 0.000 title description 4
- 238000005553 drilling Methods 0.000 claims description 34
- 230000000996 additive effect Effects 0.000 claims description 27
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 11
- 125000002947 alkylene group Chemical group 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- -1 ethylene ester Chemical class 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 238000007334 copolymerization reaction Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims description 6
- 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 claims description 5
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 4
- 230000001476 alcoholic effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 3
- XTUVJUMINZSXGF-UHFFFAOYSA-N N-methylcyclohexylamine Chemical compound CNC1CCCCC1 XTUVJUMINZSXGF-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 229920000151 polyglycol Polymers 0.000 claims description 3
- 239000010695 polyglycol Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 150000003926 acrylamides Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 150000005332 diethylamines Chemical class 0.000 claims 2
- 150000004679 hydroxides Chemical class 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
- 239000011591 potassium Substances 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 27
- 238000002474 experimental method Methods 0.000 description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 230000000694 effects Effects 0.000 description 14
- 238000003756 stirring Methods 0.000 description 14
- 239000000706 filtrate Substances 0.000 description 11
- 239000002671 adjuvant Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- 239000011651 chromium Substances 0.000 description 9
- 229910052804 chromium Inorganic materials 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 7
- 229920001732 Lignosulfonate Polymers 0.000 description 7
- 239000008186 active pharmaceutical agent Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 239000013535 sea water Substances 0.000 description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 239000004927 clay Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 4
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 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
- 238000005755 formation reaction Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229920001897 terpolymer Polymers 0.000 description 3
- PMNLUUOXGOOLSP-UHFFFAOYSA-N 2-mercaptopropanoic acid Chemical compound CC(S)C(O)=O PMNLUUOXGOOLSP-UHFFFAOYSA-N 0.000 description 2
- SEILKFZTLVMHRR-UHFFFAOYSA-N 2-phosphonooxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOP(O)(O)=O SEILKFZTLVMHRR-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 229960000892 attapulgite Drugs 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 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
- 239000003054 catalyst Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- NXPHCVPFHOVZBC-UHFFFAOYSA-N hydroxylamine;sulfuric acid Chemical compound ON.OS(O)(=O)=O NXPHCVPFHOVZBC-UHFFFAOYSA-N 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
- 229910052625 palygorskite Inorganic materials 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical class [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 2
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 2
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 description 1
- FRPZMMHWLSIFAZ-UHFFFAOYSA-N 10-undecenoic acid Chemical compound OC(=O)CCCCCCCCC=C FRPZMMHWLSIFAZ-UHFFFAOYSA-N 0.000 description 1
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-UHFFFAOYSA-N 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 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
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 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
- 235000011054 acetic acid Nutrition 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 229940091181 aconitic acid Drugs 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- UIERETOOQGIECD-ARJAWSKDSA-N angelic acid Chemical compound C\C=C(\C)C(O)=O UIERETOOQGIECD-ARJAWSKDSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 229910052925 anhydrite Inorganic materials 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
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229920005551 calcium lignosulfonate Polymers 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- KHAVLLBUVKBTBG-UHFFFAOYSA-N caproleic acid Natural products OC(=O)CCCCCCCC=C KHAVLLBUVKBTBG-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical class [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- GTZCVFVGUGFEME-IWQZZHSRSA-N cis-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C\C(O)=O GTZCVFVGUGFEME-IWQZZHSRSA-N 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-IHWYPQMZSA-N isocrotonic acid Chemical compound C\C=C/C(O)=O LDHQCZJRKDOVOX-IHWYPQMZSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- HNEGQIOMVPPMNR-NSCUHMNNSA-N mesaconic acid Chemical compound OC(=O)C(/C)=C/C(O)=O HNEGQIOMVPPMNR-NSCUHMNNSA-N 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- HNEGQIOMVPPMNR-UHFFFAOYSA-N methylfumaric acid Natural products OC(=O)C(C)=CC(O)=O HNEGQIOMVPPMNR-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- WSHYKIAQCMIPTB-UHFFFAOYSA-M potassium;2-oxo-3-(3-oxo-1-phenylbutyl)chromen-4-olate Chemical compound [K+].[O-]C=1C2=CC=CC=C2OC(=O)C=1C(CC(=O)C)C1=CC=CC=C1 WSHYKIAQCMIPTB-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- PCMORTLOPMLEFB-ONEGZZNKSA-N sinapic acid Chemical compound COC1=CC(\C=C\C(O)=O)=CC(OC)=C1O PCMORTLOPMLEFB-ONEGZZNKSA-N 0.000 description 1
- PCMORTLOPMLEFB-UHFFFAOYSA-N sinapinic acid Natural products COC1=CC(C=CC(O)=O)=CC(OC)=C1O PCMORTLOPMLEFB-UHFFFAOYSA-N 0.000 description 1
- 229920005552 sodium lignosulfonate Polymers 0.000 description 1
- SKMHHHHLLBKNKR-UHFFFAOYSA-M sodium;prop-2-enamide;prop-2-enoate Chemical compound [Na+].NC(=O)C=C.[O-]C(=O)C=C SKMHHHHLLBKNKR-UHFFFAOYSA-M 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
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- 229960004418 trolamine Drugs 0.000 description 1
- 229960002703 undecylenic acid Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
-
- 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
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Lubricants (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8220241A FR2536758A1 (fr) | 1982-11-30 | 1982-11-30 | Adjuvant fluidifiant non polluant pour boues de forage a base d'eau saline et /ou d'eau douce |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8306530D0 SE8306530D0 (sv) | 1983-11-25 |
| SE8306530L SE8306530L (sv) | 1984-05-31 |
| SE459257B true SE459257B (sv) | 1989-06-19 |
Family
ID=9279739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8306530A SE459257B (sv) | 1982-11-30 | 1983-11-25 | Flytbarhetsbefraemjande tillsatsmedel bestaaende av en vattenloeslig sampolymer samt anvaendning daerav i vattenbaserade borrslam |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4782120A (enExample) |
| JP (1) | JPS59113083A (enExample) |
| AU (1) | AU575546B2 (enExample) |
| BR (1) | BR8306574A (enExample) |
| CA (1) | CA1191675A (enExample) |
| DE (1) | DE3343053C2 (enExample) |
| DK (1) | DK159019C (enExample) |
| FI (1) | FI76366C (enExample) |
| FR (1) | FR2536758A1 (enExample) |
| GB (1) | GB2133021B (enExample) |
| NL (1) | NL190782C (enExample) |
| NO (1) | NO158302C (enExample) |
| SE (1) | SE459257B (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4863614A (en) * | 1983-10-26 | 1989-09-05 | Betz Laboratories, Inc. | Water treatment polymers and methods of use thereof |
| US4851490A (en) * | 1983-10-26 | 1989-07-25 | Betz Laboratories, Inc. | Water soluble phosphonated polymers |
| US4886617A (en) * | 1983-10-26 | 1989-12-12 | Betz Laboratories, Inc. | Water soluble phosphonated polymers |
| US4849129A (en) * | 1988-05-06 | 1989-07-18 | Betz Laboratories, Inc. | Water treatment polymers and methods of use thereof |
| FR2571715B1 (fr) * | 1984-10-16 | 1986-12-26 | Coatex Sa | Composition cimentaire hydraulique a prise retardee pour cimentation a haute temperature et pression |
| CA1244997A (en) * | 1985-08-30 | 1988-11-15 | Calgon Corporation | Acrylic acid/2-acrylamido-2-methylpropyl-sulfonic acid/2-acrylamido-2-methylpropyl phosphonic polymers |
| FR2630728B1 (fr) * | 1988-05-02 | 1991-07-05 | Coatex Sa | Agent inhibiteur d'entartrage et de corrosion pour le traitement des eaux et/ou milieux aqueux |
| US5032295A (en) * | 1989-04-25 | 1991-07-16 | National Starch And Chemical Investment Holding Corporation | Polymers for use in drilling muds |
| CA2080906C (en) * | 1990-04-18 | 2004-06-29 | James B. Bloys | Dispersant compositions for subterranean well drilling and completion |
| US5292367A (en) * | 1990-04-18 | 1994-03-08 | Atlantic Richfield Company | Dispersant compositions for subterranean well drilling and completion |
| DE4024192A1 (de) * | 1990-07-30 | 1992-02-06 | Uhu Gmbh | Waessrige klebstoffloesung ohne organisches loesungsmittel |
| GB9215228D0 (en) * | 1992-07-17 | 1992-09-02 | Oilfield Chem Tech Ltd | Drilling fluid loss additive |
| US5558171A (en) * | 1994-04-25 | 1996-09-24 | M-I Drilling Fluids L.L.C. | Well drilling process and clay stabilizing agent |
| US6384111B1 (en) * | 1996-12-20 | 2002-05-07 | Basf Aktiengesellschaft | Polymers containing carboxyl groups and polyalkylene ether side- chains as additives in mineral building materials |
| US6107256A (en) * | 1998-08-27 | 2000-08-22 | Fritz Industries, Inc. | Method of and additive for controlling fluid loss from a drilling fluid |
| US6130179A (en) * | 1998-11-12 | 2000-10-10 | Itc, Inc. | Purified attapulgite clay |
| US6444601B1 (en) * | 1998-11-12 | 2002-09-03 | Itc, Inc. | Purified attapulgite clay |
| US20030073586A1 (en) * | 2001-10-03 | 2003-04-17 | Martin Crossman | Scale control composition for high scaling environments |
| FR2902103B1 (fr) * | 2006-06-09 | 2011-11-18 | Coatex Sas | Procede pour epaissir des compositions aqueuses notamment a ph acide, au moyen de polymeres organophosphates, et compositions aqueuses obtenues |
| CN111454392A (zh) * | 2020-03-18 | 2020-07-28 | 滨州德润化工有限责任公司 | 一种钻井液用抗温抗复合盐降失水剂 |
| CN117986458B (zh) * | 2024-04-02 | 2024-06-14 | 成都劳恩普斯科技有限公司 | 一种耐高温深穿透分子隔膜酸共聚物及其制备方法 |
| CN119331164B (zh) * | 2024-12-21 | 2025-03-25 | 石家庄华莱鼎盛科技有限公司 | 钻井液用防泥包剂丙烯烷基醇酯及其制备方法和应用 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1100287B (de) * | 1957-03-29 | 1961-02-23 | Rohm & Haas | Verfahren zur Herstellung von phosphorhaltigen Polymeren oder Mischpolymeren |
| FR1538572A (fr) * | 1967-07-26 | 1968-09-06 | Pechiney Saint Gobain | Perfectionnement à la polymérisation en masse à basse température de compositions monomères contenant du chlorure de vinyle, et produits en résultant |
| US3472325A (en) * | 1968-12-23 | 1969-10-14 | Pan American Petroleum Corp | Method of drilling with polymer-treated drilling fluid |
| US3921733A (en) * | 1972-02-09 | 1975-11-25 | Phillips Petroleum Co | Method of drilling a borehole using gelled polymers |
| US3764530A (en) * | 1972-03-15 | 1973-10-09 | Milchem Inc | Composition and process for the reduction of thermal degradation of aqueous drilling fluids |
| US3880764A (en) * | 1972-11-06 | 1975-04-29 | Amoco Prod Co | Polymer non-dispersed drilling fluids |
| US4059552A (en) * | 1974-06-21 | 1977-11-22 | The Dow Chemical Company | Cross-linked water-swellable polymer particles |
| JPS51132234A (en) * | 1975-04-21 | 1976-11-17 | Suriibondo:Kk | An anaerobic adhesive composition |
| JPS5436338A (en) * | 1977-08-26 | 1979-03-17 | Toyo Soda Mfg Co Ltd | Cold-curable water-based coating composition |
| JPS57134493A (en) * | 1981-02-12 | 1982-08-19 | Sankin Kogyo Kk | Phosphoric ester derivative |
| JPS58147412A (ja) * | 1982-02-26 | 1983-09-02 | Nippon Shokubai Kagaku Kogyo Co Ltd | 新規水溶性共重合体及びその製造方法 |
| DE3248019A1 (de) * | 1982-12-24 | 1984-06-28 | Cassella Ag, 6000 Frankfurt | Wasserloesliche copolymerisate, ihre herstellung und ihre verwendung |
| US4487859A (en) * | 1983-11-21 | 1984-12-11 | Scm Corporation | Self-curing water dispersed polymers |
-
1982
- 1982-11-30 FR FR8220241A patent/FR2536758A1/fr active Granted
-
1983
- 1983-11-24 GB GB08331429A patent/GB2133021B/en not_active Expired
- 1983-11-25 SE SE8306530A patent/SE459257B/sv not_active IP Right Cessation
- 1983-11-29 NO NO834391A patent/NO158302C/no not_active IP Right Cessation
- 1983-11-29 NL NL8304088A patent/NL190782C/xx not_active IP Right Cessation
- 1983-11-29 JP JP58225330A patent/JPS59113083A/ja active Granted
- 1983-11-29 FI FI834367A patent/FI76366C/fi not_active IP Right Cessation
- 1983-11-29 BR BR8306574A patent/BR8306574A/pt not_active IP Right Cessation
- 1983-11-29 DK DK545783A patent/DK159019C/da not_active IP Right Cessation
- 1983-11-29 CA CA000442136A patent/CA1191675A/fr not_active Expired
- 1983-11-29 DE DE3343053A patent/DE3343053C2/de not_active Expired - Fee Related
- 1983-11-30 AU AU21841/83A patent/AU575546B2/en not_active Ceased
-
1987
- 1987-04-13 US US07/038,483 patent/US4782120A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA1191675A (fr) | 1985-08-13 |
| NO834391L (no) | 1984-06-01 |
| AU575546B2 (en) | 1988-08-04 |
| FI834367A7 (fi) | 1984-05-31 |
| SE8306530L (sv) | 1984-05-31 |
| FI834367A0 (fi) | 1983-11-29 |
| DK545783D0 (da) | 1983-11-29 |
| JPS59113083A (ja) | 1984-06-29 |
| NL8304088A (nl) | 1984-06-18 |
| AU2184183A (en) | 1984-06-07 |
| FR2536758A1 (fr) | 1984-06-01 |
| JPH0377834B2 (enExample) | 1991-12-11 |
| BR8306574A (pt) | 1984-07-03 |
| GB2133021B (en) | 1986-08-28 |
| DE3343053C2 (de) | 1995-04-13 |
| NL190782C (nl) | 1994-08-16 |
| GB2133021A (en) | 1984-07-18 |
| DK545783A (da) | 1984-05-31 |
| DE3343053A1 (de) | 1984-06-28 |
| FR2536758B1 (enExample) | 1985-03-15 |
| FI76366C (fi) | 1988-10-10 |
| US4782120A (en) | 1988-11-01 |
| NO158302B (no) | 1988-05-09 |
| NO158302C (no) | 1988-08-17 |
| DK159019B (da) | 1990-08-20 |
| NL190782B (nl) | 1994-03-16 |
| GB8331429D0 (en) | 1984-01-04 |
| FI76366B (fi) | 1988-06-30 |
| SE8306530D0 (sv) | 1983-11-25 |
| DK159019C (da) | 1991-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE459257B (sv) | Flytbarhetsbefraemjande tillsatsmedel bestaaende av en vattenloeslig sampolymer samt anvaendning daerav i vattenbaserade borrslam | |
| CA1278645C (en) | Water soluble polymers, their preparation and their uses | |
| US10023782B2 (en) | Salt-tolerant, thermally-stable rheology modifiers | |
| EP0491686B1 (en) | Polymers for use in drilling | |
| US6822039B1 (en) | Invertible emulsions stabitised by amphiphilic polymers and application to bore fluids | |
| US4959432A (en) | Acid viscosifier compositions | |
| JP4964132B2 (ja) | アクリル酸の制御されたラジカル重合のための移動剤の形態で硫黄化合物を使用することによって製造されるポリマーおよびこれらの使用 | |
| US5362827A (en) | Solution process for preparation hydrophobically functionalized cationic polymers (C-2691) | |
| US4532046A (en) | Method for hindering the scaling by waters | |
| CN102083937B (zh) | 交联且疏水改性的水溶性丙烯酸类共聚物作为含盐水性制剂增稠剂的用途 | |
| US6410671B1 (en) | Zwitterion derivative and application to aqueous suspension properties | |
| EP0137413B1 (en) | Copolymers of flavanoid tannins and acrylic monomers | |
| IE47276B1 (en) | Polymer compositions | |
| EP0172723A2 (en) | Water soluble polymers | |
| EP0215565A1 (en) | Dispersing agents | |
| JPS61106450A (ja) | 遅硬型水硬性セメント組成物 | |
| US7262152B2 (en) | Reversible emulsions stabilized by amphiphilic polymers and application to drilling fluid | |
| EP0141327B1 (de) | Wasserlösliche Mischpolymerisate und deren Verwendung als Dispergatoren für Feststoffe | |
| JPH0686592B2 (ja) | 淡水又は塩水をベースとするボーリング流体用の非汚染流動化剤 | |
| EP0368563A2 (en) | Drilling fluid additives | |
| US3826787A (en) | Regular alternating copolymers of styrene and imidazolines and their derivatives | |
| US3220946A (en) | Beneficiated clay composition for use in drilling fluids | |
| EP0259111B1 (en) | Drilling fluids | |
| RU2786568C2 (ru) | Способ регулирования седиментации продуктов горнорудного производства | |
| RU2786566C2 (ru) | Регулирование реологии остатка металлической руды |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8306530-0 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |