AU2014296231A1 - Compositions comprising kiln dust and wollastonite and methods of use in subterranean formations - Google Patents
Compositions comprising kiln dust and wollastonite and methods of use in subterranean formations Download PDFInfo
- Publication number
- AU2014296231A1 AU2014296231A1 AU2014296231A AU2014296231A AU2014296231A1 AU 2014296231 A1 AU2014296231 A1 AU 2014296231A1 AU 2014296231 A AU2014296231 A AU 2014296231A AU 2014296231 A AU2014296231 A AU 2014296231A AU 2014296231 A1 AU2014296231 A1 AU 2014296231A1
- Authority
- AU
- Australia
- Prior art keywords
- settable composition
- kiln dust
- settable
- cement
- wollastonite
- 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.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 184
- 239000000428 dust Substances 0.000 title claims abstract description 67
- 239000010456 wollastonite Substances 0.000 title claims abstract description 49
- 229910052882 wollastonite Inorganic materials 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 27
- 238000005755 formation reaction Methods 0.000 title abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000004568 cement Substances 0.000 claims description 75
- 239000000654 additive Substances 0.000 claims description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 239000011398 Portland cement Substances 0.000 claims description 19
- 230000000996 additive effect Effects 0.000 claims description 16
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 15
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 15
- 239000004571 lime Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- -1 shale Substances 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000010881 fly ash Substances 0.000 claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 6
- 239000008262 pumice Substances 0.000 claims description 6
- 239000002956 ash Substances 0.000 claims description 5
- 229910002026 crystalline silica Inorganic materials 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 230000009974 thixotropic effect Effects 0.000 claims description 5
- 241000209094 Oryza Species 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 4
- 229910021485 fumed silica Inorganic materials 0.000 claims description 4
- 239000010903 husk Substances 0.000 claims description 4
- 239000004005 microsphere Substances 0.000 claims description 4
- 230000000246 remedial effect Effects 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 239000005909 Kieselgur Substances 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 16
- 239000012530 fluid Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 10
- 239000004094 surface-active agent Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000008186 active pharmaceutical agent Substances 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical class OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- JNGWKQJZIUZUPR-UHFFFAOYSA-N [3-(dodecanoylamino)propyl](hydroxy)dimethylammonium Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)[O-] JNGWKQJZIUZUPR-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 229960003237 betaine Drugs 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 229920003090 carboxymethyl hydroxyethyl cellulose Chemical class 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 2
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical class COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical class [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241000218645 Cedrus Species 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000032767 Device breakage Diseases 0.000 description 1
- 241001251094 Formica Species 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 102000011782 Keratins Human genes 0.000 description 1
- 108010076876 Keratins Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Chemical class OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229920005551 calcium lignosulfonate Polymers 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical class [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 125000004181 carboxyalkyl group Chemical group 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000003245 coal 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052610 inosilicate Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical class OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Chemical class 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Chemical class 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010904 stalk Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Chemical class OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/043—Alkaline-earth metal silicates, e.g. wollastonite
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
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- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/162—Cement kiln dust; Lime kiln dust
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- 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
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- 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
- C09K8/467—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 containing additives for specific purposes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods of use in subterranean formations. An embodiment discloses a method of cementing comprising: providing a settable composition comprising kiln dust, wollastonite, and water; and allowing the settable composition to set.
Description
WO 2015/017564 PCT/US2014/048935 COMPOSITIONS COMPRISING KILN DUST AND WOLLASTONITE AND METHODS OF USE IN SUBTERRANEAN FORMATIONS CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation-in-part of U.S. Patent Application No. 5 13/477,777, filed on May 22, 2012, which is a divisional of U.S. Patent Application No. 13/399,913, filed on February 17, 2012 (now issued as U.S. Patent No. 8,281,859), which is a continuation-in-part of U.S. Patent Application No. 13/180,238, filed on July 11, 2011, which is a continuation-in-part of U.S. Patent Application No. 12/975,196, filed on December 21, 2010 (now issued as 8,403,045), and U.S. Patent Application No. 13/399,913 is also a 10 continuation-in-part of U.S. Patent Application No. 12/895,436, filed on September 30, 2010, which is a continuation-in-part of U.S. Patent Application No. 12/264,010, filed on November 3, 2008 (now issued as U.S. Patent No. 8,333,240), which is a continuation-in-part of U.S. Patent Application No. 11/223,669, filed September 9, 2005 (now issued as U.S. Pat. No. 7,445,669), the entire disclosures of which are incorporated herein by reference. 15 BACKGROUND [0002] In general, well treatments include a wide variety of methods that may be performed in oil, gas, geothermal and/or water wells, such as drilling, completion and workover methods. The drilling, completion and workover methods may include, but are not limited to, drilling, fracturing, acidizing, logging, cementing, gravel packing, perforating and 20 conformance methods. Many of these well treatments are designed to enhance and/or facilitate the recovery of desirable fluids from a subterranean well. [0003] In cementing methods, such as well construction and remedial cementing, settable compositions are commonly utilized. As used herein, the term "settable composition" refers to a composition(s) that hydraulically sets or otherwise develops compressive strength. 25 Settable compositions may be used in primary cementing operations whereby pipe strings, such as casing and liners, are cemented in well bores. In performing primary cementing, a settable composition may be pumped into an annulus between a subterranean formation and the pipe string disposed in the subterranean formation. The settable composition should set in the annulus, thereby forming an annular sheath of hardened cement (e.g., a cement sheath) that 30 should support and position the pipe string in the well bore and bond the exterior surface of the pipe string to the walls of the well bore. Settable compositions also may be used in remedial cementing methods, such as the placement of cement plugs, and in squeeze cementing for
I
WO 2015/017564 PCT/US2014/048935 sealing voids in a pipe string, cement sheath, gravel pack, formation, and the like. Settable compositions may also be used in surface applications, for example, construction cementing. [0004] Settable compositions for use in subterranean formations may further include Portland cement. Portland cement generally is a major component of the cost for the settable 5 compositions. Other components may be included in the settable composition in addition to, or in place of, the Portland cement. Such components may include fly ash, slag, shale, zeolite, metakaolin, pumice, perlite, lime, silica, rice-hull ash, micro-fine cement, lime kiln dust, and the like. However, the operating conditions for wells are becoming more challenging and demanding, and the search for new materials continues to meet these challenges. 10 2 WO 2015/017564 PCT/US2014/048935 BRIEF DESCRIPTION OF THE DRAWINGS [0005] These drawings illustrate certain aspects of some of the embodiments of the present invention, and should not be used to limit or define the invention. [0006] FIG. I illustrates a system for preparation and delivery of a settable 5 composition to a well bore in accordance with certain embodiments. [0007] FIG. 2A illustrates surface equipment that may be used in placement of a settable composition in a well bore in accordance with certain embodiments. [0008] FIG. 2B illustrates placement of a settable composition into a well bore annulus in accordance with certain embodiments. 10 3 WO 2015/017564 PCT/US2014/048935 DESCRIPTION OF PREFERRED EMBODIMENTS [0009] Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods 5 of use in subterranean formations. In some embodiments, the settable compositions may comprise kiln dust, wollastonite, and water. One of the many potential advantages of particular embodiments is that the inclusion of the wollastonite in embodiments of the settable compositions may increase the strength of the resultant set composition. Another potential advantage of some embodiments is that the kiln dust, wollastonite, or a combination thereof 10 may be used to reduce the amount of a higher cost component, such as Portland cement, resulting in a more economical settable composition. Yet another potential advantage of some embodiments is that reduction of the amount of Portland cement can reduce the carbon footprint of the cementing operation. [0010] Embodiments of the settable compositions may comprise kiln dust. Kiln dust, 15 as that term is used herein, refers to a solid material generated as a by-product of the heating of certain materials in kilns. The term "kiln dust" as used herein is intended to include kiln dust made as described herein and equivalent forms of kiln dust. Kiln dust typically exhibits cementitious properties in that can set and harden in the presence of water. Examples of suitable kiln dusts include cement kiln dust, lime kiln dust, and combinations thereof. Cement 20 kiln dust may be generated as a by-product of cement production that is removed from the gas stream and collected, for example, in a dust collector. Usually, large quantities of cement kiln dust are collected in the production of cement that are commonly disposed of as waste. Disposal of the cement kiln dust can add undesirable costs to the manufacture of the cement, as well as the environmental concerns associated with its disposal. The chemical analysis of 25 the cement kiln dust from various cement manufactures varies depending on a number of factors, including the particular kiln feed, the efficiencies of the cement production operation, and the associated dust collection systems. Cement kin dust generally may comprise a variety of oxides, such as Si0 2 , A1 2 0 3 , Fe 2
O
3 , CaO, MgO, SO3, Na 2 O, and K 2 0. Problems may also be associated with the disposal of lime kiln dust, which may be generated as a by-product of 30 the calcination of lime. The chemical analysis of lime kiln dust from various lime manufacturers varies depending on a number of factors, including the particular limestone or dolomitic limestone feed, the type of kiln, the mode of operation of the kiln, the efficiencies of the lime production operation, and the associated dust collection systems. Lime kiln dust generally may comprise varying amounts of free lime and free magnesium, lime stone, and/or 4 WO 2015/017564 PCT/US2014/048935 dolomitic limestone and a variety of oxides, such as SiO 2 , A1 2 0 3 , Fe2O3, CaO, MgO, SO 3 , Na 2 O, and K 2 0, and other components, such as chlorides. [0011] The kiln dust may be included in the settable compositions in an amount sufficient to provide, for example, the desired compressive strength, among other properties. 5 In some embodiments, the kiln dust may be present in the settable compositions in an amount in the range of from about 1% to about 99% by weight of cementitious components ("% bwoc"). The term cementitiouss components" refers to the components, or a combination thereof, of the settable compositions that hydraulically set, or otherwise harden, to develop compressive strength, including, for example, kiln dust, Portland cement, fly ash, natural 10 pozzolans (e.g., pumice), slag, vitrified shale, metakaolin, rice husk ash, and the like. The cementitious components in some embodiments may be present in the settable composition in an amount of from about 25% to about 75% by weight of the settable composition. The kiln dust may be present in an amount, for example, ranging between any of and/or including any of about 5%, about 10%, about 15%, about 20%, about 25%, about 30%, about 35%, about 15 40%, about 45%, about 50%, about 55%, about 60%, about 65%, about 70%, about 75%, about 80%, or about 90% bwoc. In specific embodiments, the kiln dust may be present in the settable compositions in an amount in the range of from about 5% to 90% bwoc, from about 20% to about 50%, or from about 20% to about 30% bwoc. One of ordinary skill in the art, with the benefit of this disclosure, should recognize the appropriate amount of the kiln dust to include 20 for a chosen application. [0012] In some embodiments, the settable compositions may comprise wollastonite. Wollastonite is generally a calcium inosilicate mineral used in industrial applications, such as ceramics, friction products, metal making, paint filler, and plastics. Wollastonite may be mined in a number of different locations throughout the world and then processed for use in industrial 25 applications. Wollastonite may be considered a cementitious component as can set and harden in the presence of silica, lime and water. The wollastonite used in some embodiments may have a mean particle size in a range of from about 1 micron to about 200 microns, and, alternatively, from about 5 microns to about 100 microns. The wollastonite may be included in embodiments of the settable compositions in an amount suitable for a particular application. 30 In some embodiments, the wollastonite may be present in the settable compositions in an amount in a range of from about 1% to about 75% bwoc. In particular embodiments, the wollastonite may be present in an amount ranging between any of and/or including any of 5%, about 10%, about 15%, about 20%, about 25%, about 30%, about 35%, about 40%, about 45%, about 50%, about 55%, about 60%, about 65%, about 70%, or about 75% bwoc. In 35 specific embodiments, wollastonite may be present in the settable compositions in an amount 5 WO 2015/017564 PCT/US2014/048935 in the range of from about 5% to 50% bwoc or from about 20% to about 30% bwoc. One of ordinary skill, with the benefit of this disclosure, should recognize the amount of the wollastonite to include for a chosen application. [0013] The water used in embodiments of the settable compositions may include, for 5 example, freshwater, saltwater (e.g., water containing one or more salts dissolved therein), brine (e.g., saturated saltwater produced from subterranean formations), seawater, or any combination thereof. Generally, the water may be from any source, provided, for example, that it does not contain an excess of compounds that may undesirably affect other components in the settable composition. In some embodiments, the water may be included in an amount 10 sufficient to form a pumpable slurry. In some embodiments, the water may be included in the settable compositions in an amount in a range of from about 40% to about 200% bwoc. In some embodiments, the water may be included in an amount in a range of from about 40% to about 150% bwoc. [0014] In some embodiments, the settable compositions may further comprise a 15 Portland cement, including, but not limited to, those classified as Class A, C, G and H cements according to American Petroleum Institute, API Specification for Materials and Testing for Well Cements, API Specification 10, Fifth Ed., July 1, 1990. In addition, in some embodiments, Portland cements suitable for use in some embodiments may be classified as ASTM Type 1, 11, or III. Where present, the Portland cement generally may be included in the 20 settable compositions in an amount sufficient to provide the desired compressive strength, density, and/or cost. In some embodiments, the Portland cement may be present in the settable compositions in an amount in the range of from about 1% to about 75% bwoc. For example, the hydraulic cement may be present in an amount ranging between any of and/or including any of about 1%, about 5%, about 10%, about 20%, about 30%, about 40%, about 50%, about 25 60%, about 70%, or about 75% bwoc. [0015] Other optional additives may be included in embodiments of the settable compositions, including, but not limited to, fly ash, slag, shale (e.g., vitrified shale), zeolite, metakaolin, pumice, perlite, lime, silica (e.g., amorphous silica, crystalline silica), rice husk ash, small-particle size cement, and combinations thereof. As used herein, the term "small 30 particle size cement" refers to a cement having a particle size (or d50) no larger than about 5 microns, for example, in a range of about 1 micron to about 5 microns. Where present, these optional additives individually may be included in the settable compositions in an amount in a range of from about 0.1% to about 90% bwoc. For example, one or more of the optional additives may be individually be included in an amount ranging between any of and/or 35 including any of about 5%, about 10%, about 15%, about 20%, about 25%, about 30%, about 6 WO 2015/017564 PCT/US2014/048935 35%, about 40%, about 45%, about 50%, about 55%, about 60%, about 65%, about 70%, about 75%, about 80%, about 85%, or about 90% bwoc. One of ordinary skill in the art, with the benefit of this disclosure, will recognize the appropriate amount of the optional to include for a chosen application. 5 [0016] Other additives suitable for use in cementing operations may also be added to embodiments of the settable compositions as desired for a particular application. Examples of such additives include, but are not limited to, dispersants, strength-retrogression additives, set accelerators, set retarders, weighting agents, lightweight additives, gas-generating additives, mechanical property enhancing additives, lost-circulation materials, fluid loss control 10 additives, foaming agents, defoaming agents, oil-swellable particles, water-swellable particles, thixotropic additives, and any combination thereof. Specific examples of these, and other, additives include crystalline silica, fumed silica, silicates, salts, fibers, hydratable clays, microspheres, diatomaceous earth, elastomers, elastomeric particles, resins, latex, any combination thereof, and the like. A person having ordinary skill in the art, with the benefit of 15 this disclosure, will readily be able to determine the type and amount of additive useful for a particular application and desired result. [0017] Dispersants may be included in embodiments of the settable compositions. Where present, the dispersant should act, among other things, to control the rheology of the settable composition. While a variety of dispersants known to those skilled in the art may be 20 used in some embodiments, examples of suitable dispersants include naphthalene sulfonic acid condensate with formaldehyde; acetone, formaldehyde, and sulfite condensate; melamine sulfonate condensed with formaldehyde; any combination thereof [0018] Strength-retrogression additives may be included in embodiments of the settable composition to, for example, prevent the retrogression of strength after the settable 25 composition has been allowed to develop compressive strength when the settable composition is exposed to high temperatures. These additives may allow the settable compositions to form as intended, preventing cracks and premature failure of the cementitious composition. Examples of suitable strength-retrogression additives may include, but are not limited to, amorphous silica, coarse grain crystalline silica, fine grain crystalline silica, or a combination 30 thereof. [0019] Set accelerators may be included in embodiments of the settable compositions to, for example, increase the rate of setting reactions. Control of setting time may allow for the ability to adjust to well bore conditions or customize set times for individual jobs. Examples of suitable set accelerators may include, but are not limited to, aluminum sulfate, alums, 7 WO 2015/017564 PCT/US2014/048935 calcium chloride, calcium sulfate, gypsum-hemihydrate, sodium aluminate, sodium carbonate, sodium chloride, sodium silicate, sodium sulfate, ferric chloride, or a combination thereof. [0020] Set retarders may be included in embodiments of the settable compositions to, for example, increase the thickening time of the settable compositions. Examples of suitable 5 set retarders include, but are not limited to, ammonium, alkali metals, alkaline earth metals, borax, metal salts of calcium lignosulfonate, carboxymethyl hydroxyethyl cellulose, sulfoalkylated lignins, hydroxycarboxy acids, copolymers of 2-acrylamido-2-methylpropane sulfonic acid salt and acrylic acid or maleic acid, saturated salt, or a combination thereof. One example of a suitable sulfoalkylated lignin comprises a sulfomethylated lignin. 10 [0021] Weighting agents may be included in embodiments of the settable compositions to, for example, increase the density of the settable compositions. Examples of suitable weighting agents include, but not limited to, ground barium sulfate, barite, hematite, calcium carbonate, siderite, llmenite, manganese oxide, sand, salt, or a combination thereof. [0022] Lightweight additives may be included in embodiments of the settable 15 compositions to, for example, decrease the density of the settable compositions. Examples of suitable lightweight additives include, but are not limited to, bentonite, coal, diatomaceous earth, expanded perlite, fly ash, gilsonite, hollow microspheres, low-density elastic beads, nitrogen, pozzolan-bentonite, sodium silicate, combinations thereof, or other lightweight additives known in the art. 20 [0023] Gas-generating additives may be included in embodiments of the settable compositions to release gas at a predetermined time, which may be beneficial to prevent gas migration from the formation through the settable composition before it hardens. The generated gas may combine with or inhibit the permeation of the settable composition by formation gas. Examples of suitable gas-generating additives include, but are not limited to, 25 metal particles (e.g., aluminum powder) that react with an alkaline solution to generate a gas. [0024] Mechanical-property-enhancing additives may be included in embodiments of the settable compositions to, for example, ensure adequate compressive strength and long-term structural integrity. These properties can be affected by the strains, stresses, temperature, pressure, and impact effects from a subterranean environment. Examples of mechanical 30 property-enhancing additives include, but are not limited to, carbon fibers, glass fibers, metal fibers, mineral fibers, silica fibers, polymeric elastomers, and latexes. [0025] Lost-circulation materials may be included in embodiments of the settable compositions to, for example, help prevent the loss of fluid circulation into the subterranean formation. Examples of lost-circulation materials include but are not limited to, cedar bark, 35 shredded cane stalks, mineral fiber, mica flakes, cellophane, calcium carbonate, ground 8 WO 2015/017564 PCT/US2014/048935 rubber, polymeric materials, pieces of plastic, grounded marble, wood, nut hulls, formica, corncobs, and cotton hulls. [0026] Fluid-loss-control additives may be included in embodiments of the settable compositions to, for example, decrease the volume of fluid that is lost to the subterranean 5 formation. Properties of the settable compositions may be significantly influenced by their water content. The loss of fluid can subject the settable compositions to degradation or complete failure of design properties. Examples of suitable fluid-loss-control additives include, but not limited to, certain polymers, such as hydroxyethyl cellulose, carboxymethylhydroxyethyl cellulose, copolymers of 2-acrylamido-2-methylpropanesulfonic 10 acid and acrylamide or N,N-dimethylacrylamide, and graft copolymers comprising a backbone oflignin or lignite and pendant groups comprising at least one member selected from the group consisting of 2-acrylamido-2-methylpropanesulfonic acid, acrylonitrile, and N,N dimethylacrylamide. [0027] Foaming agents may be included in embodiments of the settable compositions 15 to, for example, facilitate foaming and/or stabilize the resultant foam formed therewith. Examples of suitable foaming additives include, but are not limited to: mixtures of an ammonium salt of an alkyl ether sulfate, a cocoamidopropyl betaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; mixtures of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl hydroxysultaine 20 surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; hydrolyzed keratin; mixtures of an ethoxylated alcohol ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, and an alkyl or alkene dimethylamine oxide surfactant; aqueous solutions of an alpha-olefinic sulfonate surfactant and a betaine surfactant; and combinations thereof. An example of a suitable foaming additive is ZoneSealantTM 2000 agent, 25 available from Halliburton Energy Services, Inc. [0028] Defoaming additives may be included in embodiments of the settable compositions to, for example, reduce tendency for the settable composition to foam during mixing and pumping of the settable compositions. Examples of suitable defoaming additives include, but are not limited to, polyol silicone compounds. Suitable defoaming additives are 30 available from Halliburton Energy Services, Inc., under the product name D-AIRTM defoamers. [0029] Thixotropic additives may be included in embodiments of the settable compositions to, for example, provide a settable composition that can be pumpable as a thin or low viscosity fluid, but when allowed to remain quiescent attains a relatively high viscosity. 35 Among other things, thixotropic additives may be used to help control free water, create rapid 9 WO 2015/017564 PCT/US2014/048935 gelation as the slurry sets, combat lost circulation, prevent "fallback" in annular column, and minimize gas migration. Examples of suitable thixotropic additives include, but are not limited to, gypsum, water soluble carboxyalkyl, hydroxyalkyl, mixed carboxyalkyl hydroxyalkyl either of cellulose, polyvalent metal salts, zirconium oxychloride with hydroxyethyl cellulose, 5 or a combination thereof. [0030] Those of ordinary skill in the art will appreciate that the settable compositions generally should have a density suitable for a particular application. By way of example, the settable composition may have a density of about 4 pounds per gallon ("lb/gal") to about 20 lb/gal. In certain embodiments, the settable compositions may have a density of from about 8 10 lb/gal to about 17 lb/gal. Embodiments of the settable compositions may be foamed or unfoamed or may comprise other means to reduce their densities, such as hollow microspheres, low-density elastic beads, or other density-reducing additives known in the art. In some embodiments, the settable compositions may be foamed with one or more foaming additives and a gas. Those of ordinary skill in the art, with the benefit ofthis disclosure, should recognize 15 the appropriate density for a particular application. [0031] The components of the settable composition may be combined in any order desired to form a settable composition that can be placed into a subterranean formation. In addition, the components of the settable compositions may be combined using any mixing device compatible with the composition, including a bulk mixer, recirculating tub, or jet mixer, 20 for example. In some embodiments, the settable compositions may be prepared by combining the dry components with water. Other additives may be combined with the water before it is added to the dry components. In some embodiments, the solid components may be dry blended prior to their combination with the water. For example, a dry blend may be prepared that comprises the wollastonite, kiln dust, and optional additive, such as the Portland cement, 25 among others. Other suitable techniques may be used for preparation of the settable compositions as will be appreciated by those of ordinary skill in the art in accordance with certain embodiments. [0032] In some embodiments, the settable compositions may develop a desirable compressive strength in the well bore annulus for subterranean cementing operations. 30 Compressive strength is generally the capacity of a material or structure to withstand axially directed pushing forces. The compressive strength may be measured at a specified time after the settable composition has been positioned and the settable composition is maintained under specified temperature and pressure conditions. Compressive strength can be measured by either a destructive method or non-destructive method. The destructive method physically tests 35 the strength of set compositions at various points in time by crushing the samples in a 10 WO 2015/017564 PCT/US2014/048935 compression-testing machine. The compressive strength is calculated from the failure load divided by the cross-sectional area resisting the load and is reported in units of pound-force per square inch (psi). Non-destructive methods typically may employ an Ultrasonic Cement Analyzer ("UCA"), available from Fann Instrument Company, Houston, TX. Compressive 5 strengths may be determined in accordance with API RP I OB-2, Recommended Practicefor Testing Well Cements, First Edition, July 2005. [0033] By way of example, embodiments of the settable compositions may develop a 72-hour compressive strength in the subterranean formation in a range of from about 250 psi to about 10,000 psi and, alternatively, from about 800 psi about 2,000 psi. In some 10 embodiments, the 72-hour compressive strength may be characterized as the destructive compressive strength as measured at atmospheric pressure and temperatures in a range of from about 50F to about 400'F, alternatively, in a range of from about 80F to about 250F. [0034] Embodiments of the settable compositions may be used in a variety of applications, including subterranean cementing applications such as primary and remedial 15 cementing, among others. Embodiments may include providing a settable composition and allowing the settable composition to set. Embodiments of the settable compositions may comprise wollastonite, kiln dust, and water. Additional additives may be included in the settable compositions, as described above, for example. As used herein, introducing the settable composition into a subterranean formation includes introduction into any portion of 20 the subterranean formation, including, without limitation, into a well bore drilled into the subterranean formation, into a near well bore region surrounding the well bore, or into both. Moreover, introducing the settable composition into the subterranean formation is intended to encompass introduction of the settable composition into one or more subterranean formations that are penetrated by the well bore. 25 [0035] In primary-cementing embodiments, for example, a settable composition may be introduced into a well-bore annulus and allowed to set in the well-bore annulus to form a hardened mass. The well-bore annulus may include, for example, an annular space between a conduit (e.g., pipe string, surface casing, intermediate casing, production casing, liner, etc.) and a wall of a well bore or between the conduit and a larger conduit in the well bore. 30 Generally, in most instances, the hardened mass should fix the conduit in the well bore. [0036] In remedial-cementing embodiments, a settable composition may be used, for example, in squeeze-cementing operations or in the placement of plugs. By way of example, the settable composition may be placed in a well bore to plug a void or crack in the formation, in a gravel pack, in the conduit, in the cement sheath, and/or a microannulus between the 35 cement sheath and the conduit. In another embodiment, the settable composition may be 11 WO 2015/017564 PCT/US2014/048935 placed into a well bore to form a plug in the well bore with the plug, for example, sealing the well bore. [0037] Referring now to FIG. 1, preparation a settable composition in accordance with example embodiments will now be described. FIG. I illustrates a system 2 for preparation of 5 a settable composition and delivery to a well bore in accordance with certain embodiments. As shown, the settable composition may be mixed in mixing equipment 4, such as ajet mixer, re-circulating mixer, or a batch mixer, for example, and then pumped via pumping equipment 6 to the well bore. In some embodiments, the mixing equipment 4 and the pumping equipment 6 may be disposed on one or more cement trucks as will be apparent to those of ordinary skill 10 in the art. In some embodiments, a jet mixer may be used, for example, to continuously mix the wollastonite/pumice with the water as it is being pumped to the well bore. [0038] An example technique for placing a settable composition into a subterranean formation will now be described with reference to FIGS. 2A and 2B. FIG. 2A illustrates surface equipment 10 that may be used in placement of a settable composition in accordance 15 with certain embodiments. It should be noted that while FIG. 2A generally depicts a land based operation, those skilled in the art will readily recognize that the principles described herein are equally applicable to subsea operations that employ floating or sea-based platforms and rigs, without departing from the scope of the disclosure. As illustrated by FIG. 2A, the surface equipment 10 may include a cementing unit 12, which may include one or more cement 20 trucks. The cementing unit 12 may include mixing equipment 4 and pumping equipment 6 (e.g., FIG. 1) as will be apparent to those of ordinary skill in the art. The cementing unit 12 may pump a settable composition 14 through a feed pipe 16 and to a cementing head 18 which conveys the settable composition 14 downhole. [0039] Turning now to FIG. 2B, the settable composition 14 may be placed into a 25 subterranean formation 20 in accordance with example embodiments. As illustrated, a well bore 22 may be drilled into the subterranean formation 20. While well bore 22 is shown extending generally vertically into the subterranean formation 20, the principles described herein are also applicable to well bores that extend at an angle through the subterranean formation 20, such as horizontal and slanted well bores. As illustrated, the well bore 22 30 comprises walls 24. In the illustrated embodiment, a surface casing 26 has been inserted into the well bore 22. The surface casing 26 may be cemented to the walls 24 of the well bore 22 by cement sheath 28. In the illustrated embodiment, one or more additional conduits (e.g., intermediate casing, production casing, liners, etc.), shown here as casing 30 may also be disposed in the well bore 22. As illustrated, there is a well bore annulus 32 formed between 35 the casing 30 and the walls 24 of the well bore 22 and/or the surface casing 26. One or more 12 WO 2015/017564 PCT/US2014/048935 centralizers 34 may be attached to the casing 30, for example, to centralize the casing 30 in the well bore 22 prior to and during the cementing operation. [0040] With continued reference to FIG. 2B, the settable composition 14 may be pumped down the interior of the casing 30. The settable composition 14 may be allowed to 5 flow down the interior of the casing 30 through the casing shoe 42 at the bottom of the casing 30 and up around the casing 30 into the well bore annulus 32. The settable composition 14 may be allowed to set in the well bore annulus 32, for example, to form a cement sheath that supports and positions the casing 30 in the well bore 22. While not illustrated, other techniques may also be utilized for introduction of the settable composition 14. By way of example, 10 reverse circulation techniques may be used that include introducing the settable composition 14 into the subterranean formation 20 by way of the well bore annulus 32 instead of through the casing 30. [0041] As it is introduced, the settable composition 14 may displace other fluids 36, such as drilling fluids and/or spacer fluids, that may be present in the interior of the casing 30 15 and/or the well bore annulus 32. At least a portion of the displaced fluids 36 may exit the well bore annulus 32 via a flow line 38 and be deposited, for example, in one or more retention pits 40 (e.g., a mud pit), as shown on FIG. 2A. Referring again to FIG. 2B, a bottom plug 44 may introduced into the well bore 22 ahead of the settable composition 14, for example, to separate the settable composition 14 from the fluids 36 that may be inside the casing 30 prior to 20 cementing. After the bottom plug 44 reaches the landing collar 46, a diaphragm or other suitable device rupture to allow the settable composition 14 through the bottom plug 44. In FIG. 2B, the bottom plug 44 is shown on the landing collar 46. In the illustrated embodiment, a top plug 48 may be introduced into the well bore 22 behind the settable composition 14. The top plug 48 may separate the settable composition 14 from a displacement fluid 50 and also 25 push the settable composition 14 through the bottom plug 44. [0042] The exemplary settable compositions disclosed herein may directly or indirectly affect one or more components or pieces of equipment associated with the preparation, delivery, recapture, recycling, reuse, and/or disposal of the disclosed settable compositions. For example, the disclosed settable compositions may directly or indirectly 30 affect one or more mixers, related mixing equipment, mud pits, storage facilities or units, composition separators, heat exchangers, sensors, gauges, pumps, compressors, and the like used generate, store, monitor, regulate, and/or recondition the exemplary settable compositions. The disclosed settable compositions may also directly or indirectly affect any transport or delivery equipment used to convey the settable compositions to a well site or 35 downhole such as, for example, any transport vessels, conduits, pipelines, trucks, tubulars, 13 WO 2015/017564 PCT/US2014/048935 and/or pipes used to compositionally move the settable compositions from one location to another, any pumps, compressors, or motors (e.g., topside or downhole) used to drive the settable compositions into motion, any valves or related joints used to regulate the pressure or flow rate of the settable compositions, and any sensors (i.e., pressure and temperature), gauges, 5 and/or combinations thereof, and the like. The disclosed settable compositions may also directly or indirectly affect the various downhole equipment and tools that may come into contact with the settable compositions such as, but not limited to, wellbore casing, wellbore liner, completion string, insert strings, drill string, coiled tubing, slickline, wireline, drill pipe, drill collars, mud motors, downhole motors and/or pumps, cement pumps, surface-mounted 10 motors and/or pumps, centralizers, turbolizers, scratchers, floats (e.g., shoes, collars, valves, etc.), logging tools and related telemetry equipment, actuators (e.g., electromechanical devices, hydromechanical devices, etc.), sliding sleeves, production sleeves, plugs, screens, filters, flow control devices (e.g., inflow control devices, autonomous inflow control devices, outflow control devices, etc.), couplings (e.g., electro-hydraulic wet connect, dry connect, 15 inductive coupler, etc.), control lines (e.g., electrical, fiber optic, hydraulic, etc.), surveillance lines, drill bits and reamers, sensors or distributed sensors, downhole heat exchangers, valves and corresponding actuation devices, tool seals, packers, cement plugs, bridge plugs, and other wellbore isolation devices, or components, and the like. EXAMPLES 20 [0043] To facilitate a better understanding of the present invention, the following examples of some of the preferred embodiments are given. In no way should such examples be read to limit, or to define, the scope of the invention. Example 1 [0044] The following series of tests was performed to evaluate the force resistance 25 properties of settable compositions comprising wollastonite, cement kiln dust, and Portland cement. Three different sample settable compositions, designated Samples 1 to 3, were prepared that comprised cement kiln dust, wollastonite, Portland Class H cement and sufficient water to provide the density indicated in the table below. The samples were prepared by combining these solid components with water while mixing in a Waring blender. The 30 concentrations of the wollastonite, cement kiln dust, and Portland Class H cement were varied as indicated in the table below. The wollastonite was supplied Seaforth Mineral & Ore Co., East Liverpool, Ohio. The cement kiln dust was supplied Holcem Cement Company, Ada, Oklahoma. 14 WO 2015/017564 PCT/US2014/048935 [0045] After preparation, the samples were allowed to cure for seventy-two hours in 2" by 4" metal cylinders that were placed in a water bath at 170"F to form set cylinders and the resulting set cylinders were tested for mechanical properties in accordance with API RP 10B-2. The mixability was also observed and recorded. A slurry that was thick indicates that 5 there was insufficient water. A slurry that was mixable indicates proper weight and proper amount of water. [0046] The results of the tests are set forth in the table below. The data reported in the table below is the average of 3 tests for each of sample. The abbreviation "% bwoc" indicates the weight percent of the particular component by weight of the cementitious components, 10 which were the cement kiln dust, the wollastonite, and the Portland Class H Cement. The abbreviation "gal/sk" indicates the weight of the particular component per 94 pound sack of cementitious components. The abbreviation "psi" refers to pounds per square inch. Table I Compressive Strength Tests 72- Hr Cementitious Com onents Compressive Sample Density Water Strength No. (lb/gal) Material % bwoc (gal/sk) (psi) Mixability Cement Kiln Dust 25 Slury 1 14.2 Wollastonite 25 7.0261 876 Mixable Class H Cement 50 Cement Kiln Dust 25 Slurry 2 14.5 Wollastonite 25 6.5039 1136 Thick Class H Cement 50 Cement Kiln Dust 50 Slurry 3 14.5 Wollastonite 25 6.1521 611 Mixable Class H Cement 25 15 Example 2 [0047] An additional test was performed to evaluate the force resistance properties of foamed settable compositions comprising wollastonite, cement kiln dust, and Portland cement. A base sample composition was prepared that comprised cement kiln dust, wollastonite, Portland Class H cement and sufficient water to have a density of 14.2 lb/gal. The base sample 20 was prepared by combining the solid components with water while mixing in a Waring blender. The wollastonite was supplied Seaforth Mineral & Ore Co., East Liverpool, Ohio. The cement kiln dust was supplied Holcem Cement Company, Ada, Oklahoma. A foaming agent (ZoneSealant. 2000 agent, Halliburton Energy Services, Inc.) was then added to the base sample composition in an amount of 2% bwoc. Next, the base composition was foamed 25 down to 12.5 lb/gal by mixing in a Waring blender. 15 WO 2015/017564 PCT/US2014/048935 [0048] After preparation, the sample was allowed to cure for seventy-two hours in 2" by 4" metal cylinders that were placed in a water bath at 170'F to form set cylinders and the resulting set cylinders were tested for mechanical properties in accordance with API RP 101B 2. The result is set forth in the table below. The data reported in the table below is the average 5 of 3 tests for the sample. The abbreviation "% bwoc" indicates the weight percent of the particular component by weight of the cement components, which were the cement kiln dust, the wollastonite, and the Portland Class H Cement. Table 2 Compressive Strength Tests 72- Hr Cementitious Comonents Foaming Compressive Sample Density Agent Strength No. (lb/gal) Material % bwoc (% bwoc) (psi) Cement Kiln Dust 25 4 12.5 Wollastonite 25 2 190.3 Class H Cement 50 10 Example 3 [0049] An additional test was performed to evaluate the force resistance properties of a settable composition comprising wollastonite, cement kiln dust, and hydrated lime. A sample settable composition was prepared that comprised cement kiln dust, wollastonite, hydrated lime, a dispersant, and sufficient water to provide the density indicated in the table below. The 15 sample was prepared by combining the solid components with water while mixing in a Waring blender. The wollastonite was supplied Seaforth Mineral & Ore Co., East Liverpool, Ohio. The cement kiln dust was supplied Holcem Cement Company, Ada, Oklahoma. The dispersant is available from Halliburton Energy Services, Inc., as CFR-3- dispersant. [0050] After preparation, the sample was allowed to cure for seventy-two hours in 2" 20 by 4" metal cylinders that were placed in a water bath at 1704F to form set cylinders and the resulting set cylinders were tested for mechanical properties in accordance with API RP 10B 2. The result is set forth in the table below. The data reported in the table below is the average of 3 tests of the sample. The abbreviation "% bwoc" indicates the weight percent of the particular component by weight of the cement components, which were the cement kiln dust, 25 wollastonite, and hydrated lime. 16 WO 2015/017564 PCT/US2014/048935 CI C Cd E C~ ON a) 0 17 WO 2015/017564 PCT/US2014/048935 Example 4 [0051] The following series of tests was performed to evaluate the force resistance properties of settable compositions comprising wollastonite, cement kiln dust, and Portland cement, and optional additives. Five different sample settable compositions, designated Samples 6 to 10, were prepared that comprised cement kiln dust, wollastonite, Portland Class H cement, one or more optional additives and sufficient water to provide the density indicated in the table below. The samples were prepared by combining the solid components with water while mixing in a Waring blender. A dispersant (CFR-3'" dispersant) was also included in Samples 6 and 10. The concentrations of the wollastonite, cement kiln dust, Portland Class H cement, and optional additive(s) were varied as indicated in the table below. The wollastonite was supplied Seaforth Mineral & Ore Co., East Liverpool, Ohio. The cement kiln dust was supplied Holcem Cement Company, Ada, Oklahoma. [0052] The optional additives included in the samples were metakaolin, fly ash, silica flour, vitrified shale, and fumed silica. Sample 6 included metakaolin supplied by BASF Corporation, Floraham Park, New Jersey. Sample 7 included fly ash supplied by Fairfield Poz, Fairfield, Texas. Samples 8 included silica flour available from Halliburton Energy Services, as SSA-1" strength stabilizing agent. Sample 9 included shale available from TXI, Midloathian, TX. Sample 10 included fumed silica available from Halliburton Energy Services, Inc., as Silicalite Tm cement additive [0053] After preparation, the samples were allowed to cure for seventy-two hours in 2" by 4" metal cylinders that were placed in a water bath at 170*F to form set cylinders and the resulting set cylinders were tested for mechanical properties in accordance with API RP 10B-2. The results of the tests are set forth in the table below. The data reported in the table below is the average of 3 tests for each of the samples. The abbreviation "% bwoc" indicates the weight percent of the particular component by weight of the listed cementitious components. 18 WO 2015/017564 PCT/US2014/048935 x 0 00 0 0 u -00 all 00 a,\C - 00 ON S 6 I nin 0 cd 7s q I) 0~ ~ ) C) U d En Z_; cfN V) C,.=, C r- E 00 ONl 19 WO 2015/017564 PCT/US2014/048935 [0054] It should be understood that the compositions and methods are described in terms of "comprising," "containing," or "including" various components or steps, the compositions and methods can also" "consist essentially of' or "consist of" the various components and steps. Moreover, the indefinite articles "a" or "an," as used in the claims, are defined herein to mean one or more than one of the element that it introduces. [0055] For the sake of brevity, only certain ranges are explicitly disclosed herein. However, ranges from any lower limit may be combined with any upper limit to recite a range not explicitly recited, as well as, ranges from any lower limit may be combined with any other lower limit to recite a range not explicitly recited, in the same way, ranges from any upper limit may be combined with any other upper limit to recite a range not explicitly recited. Additionally, whenever a numerical range with a lower limit and an upper limit is disclosed, any number and any included range falling within the range is specifically disclosed. In particular, every range of values (of the form, "from about a to about b," or, equivalently, "from approximately a to b," or, equivalently, "from approximately a-b") disclosed herein is to be understood to set forth every number and range encompassed within the broader range of values even if not explicitly recite. Thus, every point or individual value may serve as its own lower or upper limit combined with any other point or individual value or any other lower or upper limit, to recite a range not explicitly recited. [0056] Therefore, the present invention is well adapted to attain the ends and advantages mentioned as well as those that are inherent therein. The particular embodiments disclosed above are illustrative only, as the present invention may be modified and practiced in different but equivalent manners apparent to those skilled in the art having the benefit of the teachings herein. Although individual embodiments are discussed, the invention covers all combinations of all those embodiments. Furthermore, no limitations are intended to the details of construction or design herein shown, other than as described in the claims below. Also, the terms in the claims have their plain, ordinary meaning unless otherwise explicitly and clearly defined by the patentee. It is therefore evident that the particular illustrative embodiments disclosed above may be altered or modified and all such variations are considered within the scope and spirit of the present invention. If there is any conflict in the usages of a word or term in this specification and one or more patent(s) or other documents that may be incorporated herein by reference, the definitions that are consistent with this specification should be adopted. 20
Claims (21)
1. A method of cementing comprising: providing a settable composition comprising kiln dust, wollastonite, and water; and allowing the settable composition to set.
2. A method according to claim I wherein the kiln dust comprises at least one partially calcined kiln feed selected from the group consisting of cement kiln dust, lime kiln dust, and a combination thereof.
3. A method according to claim I or claim 2 wherein the kiln dust comprises SiO 2 , A1 2 0 3 , Fe 2 O 3 , CaO, MgO, SO 3 , Na 2 O, and K 2 0.
4. A method according to any preceding claim wherein the kiln dust is present in the settable composition in an amount in a range of from about 1% to about 99% by weight of a total amount of cementitious components present in the settable composition.
5. A method according to any preceding claim wherein the wollastonite is present in the settable composition in an amount in a range of from about 1% to about 75% by weight of a total amount of cementitious components present in the settable composition.
6. A method according to any preceding claim wherein the settable composition further comprises Portland cement.
7. A method according to claim 6 wherein the Portland cement is present in the settable composition in an amount in a range of from about 1% to about 75% by weight of a total amount of cementitious components present in the settable composition.
8. A method according to claim 6 wherein the Portland cement is present in the settable composition in an amount in a range of from about 10% to about 50% by weight of a total amount of cementitious components present in the settable composition, wherein the kiln dust is present in the settable composition in an amount in a range of from about 10% to about 50% by weight of the total amount of cementitious components present in the settable composition, and wherein the wollastonite is present in the settable composition in an amount in a range of from about 10% to about 50% by weight of the total amount of cementitious components present in the settable composition. 21 WO 2015/017564 PCT/US2014/048935
9. A method according to any preceding claim wherein the water is present in an amount sufficient to form a pumpable slurry.
10. A method according to any preceding claim wherein the settable composition further comprises at least one additive selected from the group consisting of fly ash, slag, shale, zeolite, metakaolin, pumice, perlite, lime, silica, rice husk ash, small-particle size cement, and any combination thereof.
11. A method according to any preceding claim wherein the settable composition further comprises at least one additive selected from the group consisting of a dispersant, a strength retrogression additive, a set accelerator, a set retarder, a weighting agent, a lightweight additive, a gas generating additive, a mechanical property enhancing additive, a lost-circulation material, a fluid loss control additive, a foaming additive, a defoaming additive, an oil-swellable particle, a water-swellable particle, a thixotropic additive, crystalline silica, fumed silica, silicates, salts, fibers, hydratable clays, microspheres, diatomaceous earth, elastomers, elastomeric particles, resins, latex and any combination thereof.
12. A method according to any preceding claim wherein the settable composition is foamed with a foaming agent and a gas.
13. A method according to any preceding claim wherein the settable composition is introduced into a subterranean formation.
14. A method according to any preceding claim wherein the settable composition is used in primary cementing.
15. A method according to any preceding claim wherein the settable composition is used in remedial cementing. 22 WO 2015/017564 PCT/US2014/048935
16. A method of cementing comprising: introducing a settable composition into a well bore annulus, wherein the settable composition comprises cement kiln dust, wollastonite, Portland cement, water, and an additive selected from the group consisting of fly ash, slag, shale, zeolite, metakaolin, pumice, perlite, lime, silica, rice husk ash, small-particle size cement, and any combination thereof; and allowing the settable composition to set.
17. A method according to claim 16 wherein the Portland cement is present in the settable composition in an amount in a range of from about 10% to about 50% by weight of a total amount of cementitious components present in the settable composition, wherein the cement kiln dust is present in the settable composition in an amount in a range of from about 10% to about 50% by weight of the total amount of cementitious components present in the settable composition, and wherein the wollastonite is present in the settable composition in an amount in a range of from about 10% to about 50% by weight of the total amount of cementitious components present in the settable composition.
18. A method according to claim 16 or 17 wherein the settable composition comprises the metakaolin in an amount in a range of from about 10% to about 50% by weight of the total amount of cementitious components present in the settable composition.
19. A cementing system comprising: kiln dust; wollastonite; and water.
20. A cementing system according to claim 19 further comprising: mixing equipment for mixing the settable composition; and pumping equipment for delivering the settable composition into a well bore.
21. A cementing system according to claim 18 or 19 wherein the settable composition, the kiln dust, the wollastonite, and/or the water is as defined in any one of claims 2 to 12. 23
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US7387675B2 (en) * | 2005-09-09 | 2008-06-17 | Halliburton Energy Services, Inc. | Foamed settable compositions comprising cement kiln dust |
US20120328377A1 (en) * | 2005-09-09 | 2012-12-27 | Halliburton Energy Services, Inc. | Resin-Based Sealant Compositions Comprising Cement Kiln Dust and Methods of Use |
US8281859B2 (en) * | 2005-09-09 | 2012-10-09 | Halliburton Energy Services Inc. | Methods and compositions comprising cement kiln dust having an altered particle size |
US7478675B2 (en) * | 2005-09-09 | 2009-01-20 | Halliburton Energy Services, Inc. | Extended settable compositions comprising cement kiln dust and associated methods |
US8403045B2 (en) * | 2005-09-09 | 2013-03-26 | Halliburton Energy Services, Inc. | Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations |
US7631692B2 (en) * | 2005-09-09 | 2009-12-15 | Halliburton Energy Services, Inc. | Settable compositions comprising a natural pozzolan and associated methods |
MX2009007654A (en) * | 2007-01-19 | 2009-12-15 | Ceratech Inc | High strength cement, mortar and concrete including industrial by-products. |
US8557036B1 (en) * | 2012-11-09 | 2013-10-15 | Halliburton Energy Services, Inc. | Settable compositions comprising wollastonite and pumice and methods of use |
US10066146B2 (en) * | 2013-06-21 | 2018-09-04 | Halliburton Energy Services, Inc. | Wellbore servicing compositions and methods of making and using same |
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NO20160020A1 (en) | 2016-01-06 |
MY177093A (en) | 2020-09-04 |
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