CA2742256C - Composition de stimulation et de fracturation ecologique et methode pour l'utiliser - Google Patents

Composition de stimulation et de fracturation ecologique et methode pour l'utiliser Download PDF

Info

Publication number: CA2742256C
Authority: CA; Canada
Prior art keywords: molecular weight; low molecular; methyl; ethyl; propyl
Prior art date: 2011-06-10
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 - Fee Related

Application number

CA 2742256

Other languages

English (en)

Other versions

CA2742256A1 (fr

Inventor

Paul Daniel Berger

Christie Huimin Berger

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Oil Chem Technologies Inc

Original Assignee

Oil Chem Technologies Inc

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.)

2011-06-10

Filing date

2011-06-10

Publication date

2012-09-04

2011-06-10 Application filed by Oil Chem Technologies Inc filed Critical Oil Chem Technologies Inc

2011-06-10 Priority to CA 2742256 priority Critical patent/CA2742256C/fr

2012-02-29 Publication of CA2742256A1 publication Critical patent/CA2742256A1/fr

2012-09-04 Application granted granted Critical

2012-09-04 Publication of CA2742256C publication Critical patent/CA2742256C/fr

Status Expired - Fee Related legal-status Critical Current

2031-06-10 Anticipated expiration legal-status Critical

Links

239000000203 mixture Substances 0.000 title claims abstract description 48
238000000034 method Methods 0.000 title claims description 9
230000000638 stimulation Effects 0.000 title description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
150000002148 esters Chemical class 0.000 claims abstract description 21
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 17
235000013311 vegetables Nutrition 0.000 claims abstract description 14
239000012530 fluid Substances 0.000 claims abstract description 13
125000000129 anionic group Chemical group 0.000 claims abstract description 9
235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 9
229930195729 fatty acid Natural products 0.000 claims abstract description 9
239000000194 fatty acid Substances 0.000 claims abstract description 9
150000004665 fatty acids Chemical class 0.000 claims abstract description 9
150000007524 organic acids Chemical class 0.000 claims abstract description 9
239000002280 amphoteric surfactant Substances 0.000 claims abstract description 8
239000003945 anionic surfactant Substances 0.000 claims abstract description 8
239000002736 nonionic surfactant Substances 0.000 claims abstract description 8
UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 claims description 12
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 12
238000009472 formulation Methods 0.000 claims description 11
239000000243 solution Substances 0.000 claims description 11
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
229940071160 cocoate Drugs 0.000 claims description 9
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 9
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 claims description 8
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
MMXKVMNBHPAILY-UHFFFAOYSA-N ethyl laurate Chemical compound CCCCCCCCCCCC(=O)OCC MMXKVMNBHPAILY-UHFFFAOYSA-N 0.000 claims description 6
239000007924 injection Substances 0.000 claims description 6
238000002347 injection Methods 0.000 claims description 6
239000012267 brine Substances 0.000 claims description 5
230000008569 process Effects 0.000 claims description 5
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 5
229940116333 ethyl lactate Drugs 0.000 claims description 4
235000011187 glycerol Nutrition 0.000 claims description 4
WXUAQHNMJWJLTG-VKHMYHEASA-N (S)-methylsuccinic acid Chemical compound OC(=O)[C@@H](C)CC(O)=O WXUAQHNMJWJLTG-VKHMYHEASA-N 0.000 claims description 3
FDVCQFAKOKLXGE-UHFFFAOYSA-N 216978-79-9 Chemical compound C1CC(C)(C)C2=CC(C=O)=CC3=C2N1CCC3(C)C FDVCQFAKOKLXGE-UHFFFAOYSA-N 0.000 claims description 3
LPEKGGXMPWTOCB-UHFFFAOYSA-N 8beta-(2,3-epoxy-2-methylbutyryloxy)-14-acetoxytithifolin Natural products COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 claims description 3
DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
DKMROQRQHGEIOW-UHFFFAOYSA-N Diethyl succinate Chemical compound CCOC(=O)CCC(=O)OCC DKMROQRQHGEIOW-UHFFFAOYSA-N 0.000 claims description 3
LVGKNOAMLMIIKO-UHFFFAOYSA-N Elaidinsaeure-aethylester Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC LVGKNOAMLMIIKO-UHFFFAOYSA-N 0.000 claims description 3
229940043232 butyl acetate Drugs 0.000 claims description 3
ODQWQRRAPPTVAG-GZTJUZNOSA-N doxepin Chemical compound C1OC2=CC=CC=C2C(=C/CCN(C)C)/C2=CC=CC=C21 ODQWQRRAPPTVAG-GZTJUZNOSA-N 0.000 claims description 3
QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 claims description 3
WFZQLUSOXHIVKL-QXMHVHEDSA-N ethyl (13Z)-docosenoate Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(=O)OCC WFZQLUSOXHIVKL-QXMHVHEDSA-N 0.000 claims description 3
229940093499 ethyl acetate Drugs 0.000 claims description 3
LVGKNOAMLMIIKO-QXMHVHEDSA-N ethyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC LVGKNOAMLMIIKO-QXMHVHEDSA-N 0.000 claims description 3
229940093471 ethyl oleate Drugs 0.000 claims description 3
ZYNDJIBBPLNPOW-UHFFFAOYSA-N eurucic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCCCCCC(=O)OC ZYNDJIBBPLNPOW-UHFFFAOYSA-N 0.000 claims description 3
FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
ZYNDJIBBPLNPOW-KHPPLWFESA-N methyl erucate Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(=O)OC ZYNDJIBBPLNPOW-KHPPLWFESA-N 0.000 claims description 3
229940057867 methyl lactate Drugs 0.000 claims description 3
QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 claims description 3
229940073769 methyl oleate Drugs 0.000 claims description 3
YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 3
ILVGAIQLOCKNQA-UHFFFAOYSA-N propyl 2-hydroxypropanoate Chemical compound CCCOC(=O)C(C)O ILVGAIQLOCKNQA-UHFFFAOYSA-N 0.000 claims description 3
229940090181 propyl acetate Drugs 0.000 claims description 3
FTBUKOLPOATXGV-UHFFFAOYSA-N propyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCCC FTBUKOLPOATXGV-UHFFFAOYSA-N 0.000 claims description 3
239000011780 sodium chloride Substances 0.000 claims description 3
NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 3
239000008365 aqueous carrier Substances 0.000 claims 6
239000001103 potassium chloride Substances 0.000 claims 2
231100000252 nontoxic Toxicity 0.000 abstract description 5
230000003000 nontoxic effect Effects 0.000 abstract description 5
239000003921 oil Substances 0.000 description 12
230000035699 permeability Effects 0.000 description 9
KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 6
239000004094 surface-active agent Substances 0.000 description 6
238000011084 recovery Methods 0.000 description 5
230000000694 effects Effects 0.000 description 4
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
229960003237 betaine Drugs 0.000 description 3
239000004615 ingredient Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000004530 micro-emulsion Substances 0.000 description 3
GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
150000001298 alcohols Chemical class 0.000 description 2
230000004075 alteration Effects 0.000 description 2
229940025805 backaid Drugs 0.000 description 2
230000008901 benefit Effects 0.000 description 2
239000003245 coal Substances 0.000 description 2
238000005553 drilling Methods 0.000 description 2
239000000839 emulsion Substances 0.000 description 2
BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
239000011734 sodium Substances 0.000 description 2
OGRPJZFGZFQRHZ-UHFFFAOYSA-M sodium;4-octoxy-4-oxo-3-sulfobutanoate Chemical compound [Na+].CCCCCCCCOC(=O)C(S(O)(=O)=O)CC([O-])=O OGRPJZFGZFQRHZ-UHFFFAOYSA-M 0.000 description 2
239000002904 solvent Substances 0.000 description 2
HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
CFOQKXQWGLAKSK-KTKRTIGZSA-N (13Z)-docosen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCCO CFOQKXQWGLAKSK-KTKRTIGZSA-N 0.000 description 1
ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
SYWDPPFYAMFYQQ-KTKRTIGZSA-N (z)-docos-13-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCCN SYWDPPFYAMFYQQ-KTKRTIGZSA-N 0.000 description 1
QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 1
FKKAGFLIPSSCHT-UHFFFAOYSA-N 1-dodecoxydodecane;sulfuric acid Chemical class OS(O)(=O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC FKKAGFLIPSSCHT-UHFFFAOYSA-N 0.000 description 1
CFOQKXQWGLAKSK-UHFFFAOYSA-N 13-docosen-1-ol Natural products CCCCCCCCC=CCCCCCCCCCCCCO CFOQKXQWGLAKSK-UHFFFAOYSA-N 0.000 description 1
AMRBZKOCOOPYNY-QXMHVHEDSA-N 2-[dimethyl-[(z)-octadec-9-enyl]azaniumyl]acetate Chemical compound CCCCCCCC\C=C/CCCCCCCC[N+](C)(C)CC([O-])=O AMRBZKOCOOPYNY-QXMHVHEDSA-N 0.000 description 1
ZKWJQNCOTNUNMF-QXMHVHEDSA-N 2-[dimethyl-[3-[[(z)-octadec-9-enoyl]amino]propyl]azaniumyl]acetate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O ZKWJQNCOTNUNMF-QXMHVHEDSA-N 0.000 description 1
ATOTUUBRFJHZQG-UHFFFAOYSA-N 2-amino-2-methylpropan-1-ol;8-bromo-1,3-dimethyl-7h-purine-2,6-dione Chemical compound CC(C)(N)CO.O=C1N(C)C(=O)N(C)C2=C1NC(Br)=N2 ATOTUUBRFJHZQG-UHFFFAOYSA-N 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
235000001855 Portulaca oleracea Nutrition 0.000 description 1
244000234609 Portulaca oleracea Species 0.000 description 1
235000015076 Shorea robusta Nutrition 0.000 description 1
244000166071 Shorea robusta Species 0.000 description 1
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
PLZVEHJLHYMBBY-UHFFFAOYSA-N Tetradecylamine Chemical compound CCCCCCCCCCCCCCN PLZVEHJLHYMBBY-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000008186 active pharmaceutical agent Substances 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
150000007860 aryl ester derivatives Chemical class 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
235000019438 castor oil Nutrition 0.000 description 1
239000004359 castor oil Substances 0.000 description 1
229960000541 cetyl alcohol Drugs 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000000994 depressogenic effect Effects 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 description 1
230000008014 freezing Effects 0.000 description 1
238000007710 freezing Methods 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
229940043348 myristyl alcohol Drugs 0.000 description 1
229940055577 oleyl alcohol Drugs 0.000 description 1
XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
230000035515 penetration Effects 0.000 description 1
238000011056 performance test Methods 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
229920000223 polyglycerol Chemical class 0.000 description 1
235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 description 1
239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
235000019333 sodium laurylsulphate Nutrition 0.000 description 1
-1 sodium oleyl ether carboxylates Chemical class 0.000 description 1
SLBXZQMMERXQAL-UHFFFAOYSA-M sodium;1-dodecoxy-4-hydroxy-1,4-dioxobutane-2-sulfonate Chemical compound [Na+].CCCCCCCCCCCCOC(=O)C(S(O)(=O)=O)CC([O-])=O SLBXZQMMERXQAL-UHFFFAOYSA-M 0.000 description 1
JZVZOOVZQIIUGY-UHFFFAOYSA-M sodium;tridecanoate Chemical class [Na+].CCCCCCCCCCCCC([O-])=O JZVZOOVZQIIUGY-UHFFFAOYSA-M 0.000 description 1
125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
230000004936 stimulating effect Effects 0.000 description 1
238000003756 stirring Methods 0.000 description 1
150000003505 terpenes Chemical class 0.000 description 1
235000007586 terpenes Nutrition 0.000 description 1
ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 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
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/035—Organic additives
- 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
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Cosmetics (AREA)

CA 2742256 2011-06-10 2011-06-10 Composition de stimulation et de fracturation ecologique et methode pour l'utiliser Expired - Fee Related CA2742256C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 2742256 CA2742256C (fr)	2011-06-10	2011-06-10	Composition de stimulation et de fracturation ecologique et methode pour l'utiliser

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 2742256 CA2742256C (fr)	2011-06-10	2011-06-10	Composition de stimulation et de fracturation ecologique et methode pour l'utiliser

Publications (2)

Publication Number	Publication Date
CA2742256A1 CA2742256A1 (fr)	2012-02-29
CA2742256C true CA2742256C (fr)	2012-09-04

Family

ID=45773632

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2742256 Expired - Fee Related CA2742256C (fr)	2011-06-10	2011-06-10	Composition de stimulation et de fracturation ecologique et methode pour l'utiliser

Country Status (1)

Country	Link
CA (1)	CA2742256C (fr)

2011
- 2011-06-10 CA CA 2742256 patent/CA2742256C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2742256A1 (fr)	2012-02-29

Legal Events

Date	Code	Title	Description
2011-06-10	EEER	Examination request
2018-07-23	MKLA	Lapsed	Effective date: 20180611

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