CA2931998C - Procedes d'entretien de puits de forage et compositions comprenant des polymeres degradables - Google Patents
Procedes d'entretien de puits de forage et compositions comprenant des polymeres degradables Download PDFInfo
- Publication number
- CA2931998C CA2931998C CA2931998A CA2931998A CA2931998C CA 2931998 C CA2931998 C CA 2931998C CA 2931998 A CA2931998 A CA 2931998A CA 2931998 A CA2931998 A CA 2931998A CA 2931998 C CA2931998 C CA 2931998C
- Authority
- CA
- Canada
- Prior art keywords
- acid
- wellbore
- polymer
- subterranean formation
- degradable polymer
- 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 - Fee Related
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- 229920006237 degradable polymer Polymers 0.000 title claims abstract description 205
- 238000000034 method Methods 0.000 title claims description 67
- 239000000203 mixture Substances 0.000 title description 23
- 239000012530 fluid Substances 0.000 claims abstract description 129
- 230000015556 catabolic process Effects 0.000 claims abstract description 123
- 238000006731 degradation reaction Methods 0.000 claims abstract description 121
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 82
- 229920000642 polymer Polymers 0.000 claims abstract description 67
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002253 acid Substances 0.000 claims abstract description 57
- 239000012190 activator Substances 0.000 claims abstract description 57
- 150000003839 salts Chemical class 0.000 claims abstract description 45
- 150000004985 diamines Chemical class 0.000 claims abstract description 23
- 230000000593 degrading effect Effects 0.000 claims abstract description 18
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 7
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 31
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000004310 lactic acid Substances 0.000 claims description 15
- 235000014655 lactic acid Nutrition 0.000 claims description 15
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 150000001340 alkali metals Chemical class 0.000 claims description 12
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 12
- 150000007522 mineralic acids Chemical class 0.000 claims description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 150000007524 organic acids Chemical class 0.000 claims description 10
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 10
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 239000011975 tartaric acid Substances 0.000 claims description 5
- 235000002906 tartaric acid Nutrition 0.000 claims description 5
- ZMZINYUKVRMNTG-UHFFFAOYSA-N acetic acid;formic acid Chemical compound OC=O.CC(O)=O ZMZINYUKVRMNTG-UHFFFAOYSA-N 0.000 claims description 4
- VAXVWHDAGLTVRV-UHFFFAOYSA-N benzoic acid;phthalic acid Chemical compound OC(=O)C1=CC=CC=C1.OC(=O)C1=CC=CC=C1C(O)=O VAXVWHDAGLTVRV-UHFFFAOYSA-N 0.000 claims description 4
- YXJYBPXSEKMEEJ-UHFFFAOYSA-N phosphoric acid;sulfuric acid Chemical compound OP(O)(O)=O.OS(O)(=O)=O YXJYBPXSEKMEEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920005994 diacetyl cellulose Polymers 0.000 description 72
- 239000000463 material Substances 0.000 description 58
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 48
- -1 poly(lactic acid) Polymers 0.000 description 46
- 239000000243 solution Substances 0.000 description 45
- 229920000747 poly(lactic acid) Polymers 0.000 description 39
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 239000000523 sample Substances 0.000 description 27
- 239000012065 filter cake Substances 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000178 monomer Substances 0.000 description 20
- 230000006870 function Effects 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 16
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- 238000006243 chemical reaction Methods 0.000 description 14
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- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 13
- 150000001412 amines Chemical class 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 13
- 238000012667 polymer degradation Methods 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 12
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 11
- 230000007935 neutral effect Effects 0.000 description 11
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 239000012038 nucleophile Substances 0.000 description 10
- 229920006126 semicrystalline polymer Polymers 0.000 description 10
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 9
- 230000008901 benefit Effects 0.000 description 9
- 230000003301 hydrolyzing effect Effects 0.000 description 9
- 230000037361 pathway Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 229920002873 Polyethylenimine Polymers 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- 239000000654 additive Substances 0.000 description 8
- 125000004429 atom Chemical group 0.000 description 8
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- 230000007062 hydrolysis Effects 0.000 description 8
- 238000006460 hydrolysis reaction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 125000004433 nitrogen atom Chemical group N* 0.000 description 8
- 239000004014 plasticizer Substances 0.000 description 8
- 150000003141 primary amines Chemical group 0.000 description 8
- 229920000954 Polyglycolide Polymers 0.000 description 7
- 230000001365 aminolytic effect Effects 0.000 description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 238000005553 drilling Methods 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 229960004418 trolamine Drugs 0.000 description 7
- 125000003277 amino group Chemical group 0.000 description 6
- 229920006125 amorphous polymer Polymers 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000007857 degradation product Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000011343 solid material Substances 0.000 description 6
- 125000001424 substituent group Chemical group 0.000 description 6
- 239000000375 suspending agent Substances 0.000 description 6
- 239000010457 zeolite Substances 0.000 description 6
- 125000002947 alkylene group Chemical group 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 239000004927 clay Substances 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 150000004679 hydroxides Chemical class 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 239000003077 lignite Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 230000000269 nucleophilic effect Effects 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 230000000638 stimulation Effects 0.000 description 5
- 229920002732 Polyanhydride Polymers 0.000 description 4
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 4
- 229920003232 aliphatic polyester Polymers 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000012736 aqueous medium Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000012039 electrophile Substances 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 125000004185 ester group Chemical group 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000012458 free base Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002952 polymeric resin Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 150000003335 secondary amines Chemical group 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Polymers OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 150000001541 aziridines Chemical class 0.000 description 3
- 125000004069 aziridinyl group Chemical group 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
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- 230000003111 delayed effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
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- 239000003456 ion exchange resin Substances 0.000 description 3
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- CYPPCCJJKNISFK-UHFFFAOYSA-J kaolinite Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[O-][Si](=O)O[Si]([O-])=O CYPPCCJJKNISFK-UHFFFAOYSA-J 0.000 description 3
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- 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
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- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 3
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- PZBLUWVMZMXIKZ-UHFFFAOYSA-N 2-o-(2-ethoxy-2-oxoethyl) 1-o-ethyl benzene-1,2-dicarboxylate Chemical compound CCOC(=O)COC(=O)C1=CC=CC=C1C(=O)OCC PZBLUWVMZMXIKZ-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- 239000004971 Cross linker Substances 0.000 description 2
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- CHRJZRDFSQHIFI-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;styrene Chemical compound C=CC1=CC=CC=C1.C=CC1=CC=CC=C1C=C CHRJZRDFSQHIFI-UHFFFAOYSA-N 0.000 description 1
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 description 1
- AOLNDUQWRUPYGE-UHFFFAOYSA-N 1,4-dioxepan-5-one Chemical compound O=C1CCOCCO1 AOLNDUQWRUPYGE-UHFFFAOYSA-N 0.000 description 1
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- ZGCHLAJIRWDGFE-UHFFFAOYSA-N 1-aminopropane-1,1-diol Chemical compound CCC(N)(O)O ZGCHLAJIRWDGFE-UHFFFAOYSA-N 0.000 description 1
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- 230000003389 potentiating effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910052678 stilbite Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- PZTAGFCBNDBBFZ-UHFFFAOYSA-N tert-butyl 2-(hydroxymethyl)piperidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCCCC1CO PZTAGFCBNDBBFZ-UHFFFAOYSA-N 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 229940117957 triethanolamine hydrochloride Drugs 0.000 description 1
- WEAPVABOECTMGR-UHFFFAOYSA-N triethyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCOC(=O)CC(C(=O)OCC)(OC(C)=O)CC(=O)OCC WEAPVABOECTMGR-UHFFFAOYSA-N 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- YFHICDDUDORKJB-UHFFFAOYSA-N trimethylene carbonate Chemical compound O=C1OCCCO1 YFHICDDUDORKJB-UHFFFAOYSA-N 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000003180 well treatment fluid Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 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
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)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyamides (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
La présente invention concerne un polymère dégradable dans une partie d'un puits de forage et/ou d'une formation souterraine ; un fluide d'entretien de puits de forage comprenant un accélérateur de dégradation à base de sel particulaire et un activateur neutralisant, l'accélérateur de dégradation à base de sel particulaire étant formé en faisant réagir une solution d'accélérateur de dégradation choisi dans le groupe constitué par une alcanolamine ; un oligomère d'aziridine ; un polymère d'aziridine ; une diamine ; et une combinaison quelconque de ceux-ci, avec un acide, et l'activateur neutralisant pouvant dissocier l'acide de l'accélérateur de dégradation à base de sel particulaire par neutralisation de sorte à former un accélérateur de dégradation neutralisé ; l'introduction du fluide d'entretien de puits de forage dans un puits de forage et/ou une formation souterraine ; la mise en contact du polymère dégradable avec l'accélérateur de dégradation neutralisé ; et la dégradation du polymère dégradable.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/146,821 US9359543B2 (en) | 2012-10-25 | 2014-01-03 | Wellbore servicing methods and compositions comprising degradable polymers |
| US14/146,821 | 2014-01-03 | ||
| PCT/US2014/068551 WO2015102802A1 (fr) | 2014-01-03 | 2014-12-04 | Procédés d'entretien de puits de forage et compositions comprenant des polymères dégradables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2931998A1 CA2931998A1 (fr) | 2015-07-09 |
| CA2931998C true CA2931998C (fr) | 2017-11-28 |
Family
ID=53493869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2931998A Expired - Fee Related CA2931998C (fr) | 2014-01-03 | 2014-12-04 | Procedes d'entretien de puits de forage et compositions comprenant des polymeres degradables |
Country Status (3)
| Country | Link |
|---|---|
| AR (1) | AR098792A1 (fr) |
| CA (1) | CA2931998C (fr) |
| WO (1) | WO2015102802A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9359543B2 (en) | 2012-10-25 | 2016-06-07 | Halliburton Energy Services, Inc. | Wellbore servicing methods and compositions comprising degradable polymers |
| US10472555B2 (en) | 2016-04-08 | 2019-11-12 | Schlumberger Technology Corporation | Polymer gel for water control applications |
| CA2969174A1 (fr) * | 2017-06-02 | 2018-12-02 | Fluid Energy Group Ltd. | Compositions d'acide modifie novatrices comme remplacements des acides conventionnels dans l'industrie du petrole et du gaz |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7036587B2 (en) * | 2003-06-27 | 2006-05-02 | Halliburton Energy Services, Inc. | Methods of diverting treating fluids in subterranean zones and degradable diverting materials |
| US7691789B2 (en) * | 2006-03-31 | 2010-04-06 | Schlumberger Technology Corporation | Self-cleaning well control fluid |
| US7455112B2 (en) * | 2006-09-29 | 2008-11-25 | Halliburton Energy Services, Inc. | Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations |
| US8163826B2 (en) * | 2006-11-21 | 2012-04-24 | Schlumberger Technology Corporation | Polymeric acid precursor compositions and methods |
| US7786051B2 (en) * | 2006-12-07 | 2010-08-31 | Schlumberger Technology Corporation | Method of preventing or reducing fluid loss in subterranean formations |
-
2014
- 2014-12-04 CA CA2931998A patent/CA2931998C/fr not_active Expired - Fee Related
- 2014-12-04 WO PCT/US2014/068551 patent/WO2015102802A1/fr not_active Ceased
- 2014-12-17 AR ARP140104712A patent/AR098792A1/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CA2931998A1 (fr) | 2015-07-09 |
| AR098792A1 (es) | 2016-06-15 |
| WO2015102802A1 (fr) | 2015-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20160527 |
|
| MKLA | Lapsed |
Effective date: 20201204 |