EP2888335A1 - Acid-soluble cement compositions comprising cement kiln dust and methods of use - Google Patents
Acid-soluble cement compositions comprising cement kiln dust and methods of useInfo
- Publication number
- EP2888335A1 EP2888335A1 EP13833974.2A EP13833974A EP2888335A1 EP 2888335 A1 EP2888335 A1 EP 2888335A1 EP 13833974 A EP13833974 A EP 13833974A EP 2888335 A1 EP2888335 A1 EP 2888335A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- soluble
- cement
- composition
- additive
- 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.)
- Withdrawn
Links
- 239000004568 cement Substances 0.000 title claims abstract description 270
- 239000000203 mixture Substances 0.000 title claims abstract description 215
- 238000000034 method Methods 0.000 title claims abstract description 61
- 239000000428 dust Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000002253 acid Substances 0.000 claims abstract description 35
- 239000000654 additive Substances 0.000 claims description 64
- 230000000996 additive effect Effects 0.000 claims description 50
- 230000015572 biosynthetic process Effects 0.000 claims description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- 239000000945 filler Substances 0.000 claims description 23
- 239000011396 hydraulic cement Substances 0.000 claims description 23
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 22
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 22
- 239000004571 lime Substances 0.000 claims description 22
- 239000010881 fly ash Substances 0.000 claims description 21
- 239000011398 Portland cement Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000011260 aqueous acid Substances 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 239000010457 zeolite Substances 0.000 claims description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 12
- 229910021536 Zeolite Inorganic materials 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
- 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 9
- -1 shale Substances 0.000 claims description 7
- 239000002956 ash Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 208000005156 Dehydration Diseases 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 229910002026 crystalline silica Inorganic materials 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010903 husk Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 3
- 239000004005 microsphere Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000000979 retarding effect Effects 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000011667 zinc carbonate Substances 0.000 claims description 3
- 235000004416 zinc carbonate Nutrition 0.000 claims description 3
- 229910000010 zinc carbonate Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 241000209094 Oryza Species 0.000 claims 2
- 230000009974 thixotropic effect Effects 0.000 claims 2
- 241001508691 Martes zibellina Species 0.000 claims 1
- 241000157265 Plioreocepta poeciloptera Species 0.000 claims 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 48
- 230000008901 benefit Effects 0.000 description 21
- 238000005755 formation reaction Methods 0.000 description 21
- 239000000243 solution Substances 0.000 description 17
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 16
- 229910044991 metal oxide Inorganic materials 0.000 description 16
- 150000004706 metal oxides Chemical class 0.000 description 16
- 239000008186 active pharmaceutical agent Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 229910001629 magnesium chloride Inorganic materials 0.000 description 8
- 239000008262 pumice Substances 0.000 description 8
- 239000000395 magnesium oxide Substances 0.000 description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 6
- 239000000920 calcium hydroxide Substances 0.000 description 6
- 235000011116 calcium hydroxide Nutrition 0.000 description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 6
- 229910001424 calcium ion Inorganic materials 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000008719 thickening Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 239000010754 BS 2869 Class F Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 240000007673 Origanum vulgare Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 235000015076 Shorea robusta Nutrition 0.000 description 1
- 244000166071 Shorea robusta Species 0.000 description 1
- 229910020169 SiOa Inorganic materials 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids 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
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 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
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- VFLDPWHFBUODDF-FCXRPNKRSA-N curcumin Chemical compound C1=C(O)C(OC)=CC(\C=C\C(=O)CC(=O)\C=C\C=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-FCXRPNKRSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 210000003537 structural cell Anatomy 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0092—Temporary binders, mortars or concrete, i.e. materials intended to be destroyed or removed after hardening, e.g. by acid dissolution
-
- 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
- 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
-
- 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
-
- 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
Definitions
- the preseni invention relates to cementing operations and, more particularly, in certain embodiments, to acid-soluble cement compositions that comprise cement kiln dust ( ** CKD”) and associated methods of use.
- cement compositions may be used in a variety of subterranean applications.
- a pipe string e.g., easing, liners, expandable tubuiars, etc.
- the process of cementing the pipe string in place is commonly referred to as "primary cementing/'
- a cement composition may be pumped into an annuius between the walls of the well bore and the exterio surface of the pipe string disposed therein.
- the cement composition may set in the annular space, thereby forming an annular sheath of hardened, substantially impermeable cement (i, ,, a cement sheath) that may support and position the pipe string in the well bore and may bond the exterior surface of the pipe string to the subterranean formation, Among other things, the cement sheath surrounding the pipe string functions to prevent the migration of fluids in the annuius, as well as protecting the pipe string from corrosion.
- Cement compositions also may be used in remedial cementing methods, for example, to sea! cracks o holes in pipe strings or cement sheaths, to seal highly permeable formation zones or fractures, to place a cement plug, and th like. Cement compositions also may be used in surface applications, for example, construction cementing,
- an acid-soluble cement composition may be desirable in applications where it is anticipated that the hardened cement will be removed in subsequent well bore operations.
- One particular application includes use of an acid-soluble cement composition to plug permeable zones in a formation that may allow the undesired flow of • fluid into, or from, the well bore.
- the permeable atones may result in the loss of circulation of fluids, such as a drilling fluid or a cement composition, in the well bore or an undesired influx of gas or water into the well bore.
- the permeable zones include, for example, vugs, voids, fractures (natural, or otherwise produced) and the like.
- Other applications for acid-soiuble cement compositions include, for example, the formation of annular plugs and isolation of gravel-packed well bore intervals. Examples of acid-soluble cement compositions include those comprising Sorei cements and Portland cements.
- the present invention relates to cementing operations and, more particularly, in certain embodiments, to acid-soluble cement compositions that comprise CKD and associated methods of use,
- An embodiment of the present invention provides a method of cementing comprising: providing an acid-soluble cement composition comprising a kiln dust and water; allowing the acid-soluble cement composition to set to form an acid-soiubie hardened mass; and contacting the acid-soluble hardened mass with an acid.
- the method of cementing may comprise placing an acid-soluble cement composition in a subterranean formation.
- the acid-soluble cement composition ma comprise cement kiln dust in an amount of 100% by weight of a total amount of eementitioos components in the acid-soluble cement composition and water.
- the method further may comprise allowing the acid-sokible cement composition, to set to form an acid-soluble hardened mass.
- the method further may comprise contacting the acid-soluble hardened mass with an acid.
- Another embodiment of the present invention provides a method of cementing.
- the method may comprise placing an acid-soluble cement composition in a subterranean formation.
- the acid-soluble cement composition may comprise -cement, kiln dust and water, wherein the acid-soiubie cement composition is free of any acid-soluble tillers.
- the method further may comprise allowing the acid-soluble cement composition to set to form an acid-sol uhle hardened mass.
- the method further may comprise contacting the acid-soluble hardened mass with an acid.
- the present invention relates to cementing operations and, more particularly, in certain embodiments, to acid-soluble cement compositions that comprise C D and associated methods of use.
- One of the many potential advantages of embodiments of the present invention is that the inclusion of the CKD in the acid-soluble cement compositions should reduce the amount of, or potentially eliminate, a higher cost additive, such as Portland or Sorel cement, resulting in a more economical ceme.nl composition.
- Another potential advantage of embodiments of the present invention is that reduction of the amount of Portland cement should reduce the carbon footprint of the acid-soluble cement compositions.
- Embodiments of the aeicl-sokibie cement compositions of the present invention may comprise CKD.
- Additional embodiments of the acid-soluble cement compositions may comprise a hydraulic cement; a component selected from the group consisting of CKD, a. natural pozzolan, and a combination thereof and water.
- the hydraulic cement may comprise Sorel cement.
- the cement compositions may further comprise an acid-soluble filler.
- the cement compositions may comprise CKD and be tree of any acid-soluble fillers.
- the cement compositions may further comprise a source of calcium ions (e.g., hydraied lime).
- cement compositions of the present invention may also be included in embodiments of the cement compositions of the present invention as desired, including, but not limited to. .fly ash, slag cement, metakaolin, shale, zeolite, combinations thereof, and the like, Additionally, embodiments of the cement compositions of the present invention may be foamed and/or extended as desired by those of ordinary skill in the art.
- the acid-soluble cement compositions of the present invention should have a density suitable .for a particular application as desired by those of ordinary skill in the art, with the benefit of this disclosure, in some embodiments, the cement compositions of the present invention may have a density in the range of from about 8 pounds per gallon ("ppg") to about 16 ppg. In other embodiments, the cement compositions ma be foamed to a density in the range of from about 8 ppg to about 1.3 ppg.
- Embodiments of the acid-soluble cement compositions of the present invention may comprise a hydraulic cement
- a variety of hydraulic cements may be utilized in accordance with the present invention, including, but not limited to, those comprising calcium, aluminum, silicon, oxygen, iron, and/o sulfur, which set and harden by reaction with water.
- Suitable hydraulic cements include, but are not limited to, Sore! cements. Portland cements, pozzolana cements, gypsum cements, high alumina content cements, slag cements, silica cements, and combinations thereof.
- the hydraulic cement may comprise a Portland cement.
- the Portland cements that are suited for use in the present invention are classified as Classes 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.
- cements suitable for use in the present invention may be classified as AST Type I, 11, or ' 111.
- acid-soluble fillers can be used with hydraulic cements ⁇ such as Portland cement) thai do harden into an acid-soluble mass.
- the hydraulic cement generally may be included in the acid- soluble cement compositions in an amount sufficient to provide the desired compressive strength, density, and/or cost, lit accordance with embodiments, at least a portion of the hydraulic cement and potentially eve all of the hydraulic cement, may be replaced with Cf D and/or a natural pozzofan. In an embodiment, at a least a portion of the hydraulic cement i replaced with C D and/or a natural pozzolan. in some embodiments, the hydraulic cement may be present in the cement compositions of the present inventio in an amount in the range of 0% to about 99% b weight of cementitious components.
- cementitious components refers to the concentration of the particular component by weight of total amount of cementitious components included in the cement composition
- cementitious components include those components or combinations of components of the cement compositions that hydraulic-ally set, or otherwise harden, to develop compressive strength, including, for example. Sore! cement, Portland cement, CKD, fly ash, pumice, slag, lime, shale, and the like.
- the cementitious components may comprise the hydraulic cement and any additional cementitious components that may be present in the acid-soluble cement composition.
- the hydraulic cement may be present, in certain embodiments, in an.
- the hydraulic cement may be present in an amount in the range of 0% to about 95% by weight of cementitious components, in another embodiment, the hydraulic cement may be present in an amount in the range of about 20% to about 95% by weight of cementitious components. In yet another embodiment, the hydraulic cement may be present in an amount in the range of about 50% to about 90% by weight of cementitious components.
- An example of a suitable hydraulic cement comprises a Sorel cement
- Sorel cements typically include magnesia-based cement systems formed from a mixture of magnesium oxide and magnesium chloride.
- Sorel cement is intended to encompass any of a variety of metal oxides and soluble salts which together form a hydraulic cement, in the presence of water, the metal oxide and the soluble salt forming the Sorel cement should solidify into an acid-soluble mass.
- Embodiments of the Sorel cements should rapidly develop a desirable compressive strength, in accordance with embodiments, at least a portion of the Sorel cement may be replaced with C D and/or a natural poacsolan. In an embodiment, at a least a portion of the soluble salt is replaced with CKD and/or a natural poxzolan.
- the Sorel cement comprises a metal oxide.
- the Sorel cement comprises an alkaline earth metal oxide, such as magnesium, oxide.
- a suitable metal oxide is THERMATEI LT additive, available from Halliburton Energy Services, inc.
- the metal oxide present in the Sorel cement should have an activity level sufficient to provide the desired reactivity. For example, the higher the activity level of the metal oxide, the fester the reaction of the metal oxide with the other components of the Sorel cement to -form the hardened mass.
- the activity level of the metal oxide may vary based on a number of factors. For example, the particle size differential of the metal oxide particles may affect the activity level.
- a smaller particle size differential may result in a higher activity level due, inter alia, to a greater surface area.
- Another factor that may affect the activity level of the metal oxide is a sintering process.
- metal oxide with varying activity levels may be provided.
- Metal oxide that has not been treated by a sintering process may have a very high activity level, and thus it may be highly reactive in the Sorel cements.
- a relatively more reactive metal oxide may be desired, such as where it may be desired to have a cement composition with a relatively short set time, for example, whet) desired to rapidly sea! off a permeable zone.
- a relatively less reactive metal oxide may be desired, for example, where a delay may be desired between mixing the cement composition and the formation of a hardened mass.
- the Sorel cement comprises an alkaline earth metal chloride, such as magnesium chloride.
- an alkaline earth metal chloride such as magnesium chloride.
- An example of a suitable magnesium chloride is C-TEK additive, available .from Halliburton Energy Services, Inc.
- the Sore! cement comprises magnesium sulfate or ammonium mono or dibasic phosphate.
- the Sore! cement may comprise the metal oxide and the soluble salt in a metal-oxide-to-soluble-salt ratio of about. 3: 1 to about 1 :3.
- the metai-oxide-to-aoiuble-sait ratio may range from about 2:1 to about ⁇ :2.
- the meial ⁇ oxide ⁇ io ⁇ soluble ⁇ saIt ratio may range from about 1.5:1 to about 1 : 1.5,
- One of ordinary skill in the art will recognize the appropriate ratio of the metal oxide and soluble salt to include for a. particular application.
- Embodiments of the acid-soluble cement compositions generally may comprise CKD, which is a material generated in the manufacture of cement CKD, as that term is used herein, refers to a partially calcined kiln feed which is removed from the gas stream and collected, for example, in. a dust collector during the manufacture of cement.
- CKD is a material generated in the manufacture of cement CKD
- CKD refers to a partially calcined kiln feed which is removed from the gas stream and collected, for example, in. a dust collector during the manufacture of cement.
- CKD is a material generated in the manufacture of cement CKD
- CKD is a material generated in the manufacture of cement CKD
- CKD refers to a partially calcined kiln feed which is removed from the gas stream and collected, for example, in. a dust collector during the manufacture of cement.
- large quantities of CKD are collected in the production of cement that are commonly disposed of as waste. Disposal of
- CKD generally may comprise a variety of oxides, such as SiOa, AI 2O3, FejOj, Ca.0, gO, SO3, a ⁇ O. and K?0.
- oxides such as SiOa, AI 2O3, FejOj, Ca.0, gO, SO3, a ⁇ O. and K?0.
- CKD Is used herein to mean cement kiln dust made as described above and equivalent forms of cement kiln, dust made in other ways,
- the CKD generally may exhibit cementitious properties, in that it may set and harden in. the presence of water.
- the CKD may be used, among other things, to replace higher cost cementitious components, such as Portland cement and/or Sore! cement, resulting in more economical cement compositions, in addition, substitution of the CKD for the Portland and/or Sorel. cement should result in a cement composition with a reduced carbon footprint.
- the CKD may be included in the acid-soluble cement compositions in an amount sufficient to provide the desired compressive strength, density, cost reduction, and/or reduced carbon footprint.
- the CK D may be present in the cement compositions of the present invention in an amount in the range of from about 1% to 100% by weight of cementitious components.
- the CKD may be present in an amount of about 5%, about 10%, about .15%, about 20%, about 25%, about 30%, about 35%, about 40%, about 45%, about 50%, about 55%, about 60%, about 05%, about 70%, about 75%, about 80%, about 90%, or about 95%.
- the CKD may be present in an amount in the range of from about 5% to about 99% by weight of eementitious components. In another embodiment, the CKD may be present in an amount in the range of from about 5% to about 80% by weight of eementitious components, in yet another embodiment, the CKD may he present in an amount in the range of from about 50% to about 80% by weight of eementitious components.
- One of ordinary skill in the art, with the benefit of this disclosure, will recognize the appropriate amount of CKD to include lor a chosen application.
- embodimen ts of the acid-soluble cement compositions may comprise lime kiln dust, which is a materia! that is generated during the manufacture of lime.
- lime kiln dust typically refers to a partially calcined kiln feed which can be removed from the gas stream and collected, for example, in a dust collector during the manufacture of lime.
- Lime kiln dust generally may comprise varying amounts of free Hme and free magnesium, lime stone, and/or doiomitic limestone and a variety of oxides, such as SK A1 2 0 5 , CaO, gO, SO,, Na?Q, and . A and other components, such as chlorides.
- Embodiments of the acid-soluble cement compositions may further comprise a natural pozzoian.
- Natural pozzolans are generally present on the Earth's surface and set and harden in the presence of hydrated lime and water.
- Examples of natural pozxoSans include pumieite, diatomaceous earth, volcanic ash, opaline shale, tuff, and combinations thereof.
- pumieite is a volcanic rock thai exhibits eementitious properties, in that it may set and harden in the presence of a source of calcium ions and water. Hydrated lime may be used in combination with the pumieite, for example, to provide sufficient calcium tons for the pumieite to set.
- the natural pozzoian may be used, among other things, to replace higher cost eementitious components, such as Portland or Sorei cement, in embodiments of the sealant compositions, resulting in more economical sealant compositions.
- substitution of the . natural pozzoian. for the Portland cement and/or Sore! cement should result in a cement composition with a reduced carbon footprint.
- the natural pozzolan may be included in an amount sufficient to provide the desired compressive strength, density, cost reduction and/or reduced carbon footprint .for a particular application.
- the natural po zo!an may be present in the acid-soluble cement compositions of the present invention in an amount in the range of from about 1 % to about 100% by weight of eementitious components.
- the natural pozzolan may be present in an amount of about 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%, about 75%, about 80%, about 90%, or about 95%, hi one embodiment, the natural pozxolan may be present in an amount in the range of from about 5% to about 99% by weight of eementitious components, In another embodiment, the natural poxzolan may be present in an amount i the range of from about 5% to about 80% by weight of eementitious components, in yet another embodiment, the natural pozzolan may be present in an amount in the range of from about 10% to about 50% by weight of eementitious components, in yet another embodiment, the natural pozzolan may be present in an amount in the range of from about 25% to about 50% by weight of eementitious components.
- the natural pozzolan may be present in an amount of from about 25% to about 50% by weight of eementitious components
- the water that may be used in embodiments of the cement compositions may include, for example, freshwater, saltwater (e.g., water containing one or more salts dissolved therein), brine (e.g., saturated saltwater produced from subterranean formations), seawater, or combinations thereof, Generally, the water may be from any source, provided that the wafer does not contain an excess of compounds that may undesirably affect other components in the cement composition. In some embodimen ts, the water may be included in an amount sufficient to form a pumpabie slurry. In some embodiments, the water may be included in the cement compositions of the present invention in an amount in the range of about 40% to about 200% by weight of eementitious components.
- the water may be included in an amount in the .range of about 40% to about 150% by weight of eementitious components.
- an amount in the .range of about 40% to about 150% by weight of eementitious components One of ordinary skill in the art, with the benefit of this disclosure, will recognize the appropriate amount of water to include for a chosen application,
- Embodiments of the cement compositions may further comprise a source of calcium ions, such as lime.
- the source of calcium ions may included hydrated lime.
- the source of calcium ions may be included in embodiments of the cement compositions, for example to, form a hydraulic composition with other components of the cement compositions, such as the pumice, fly ash, slag, and/or shale.
- the lime may be included in the cement compositions in an amount sufficient for a particular application, in some embodiments, the lime may be present in an amount in the range of from, about 1% to about 40% by weight of eementitious components.
- the lime may be present in an amount of about 5%, about 10%, about 1.5%, about 20%, about 25%, about 30%, or about 35%, In one embodiment, the lime may be present, in an amount in the range of from about 5% to about 20% by weight of eementitious components.
- the lime may be present, in an amount in the range of from about 5% to about 20% by weight of eementitious components.
- compositions may further comprise an acid-soluble filler.
- the acid-soluble filler may be used, for example, in compositions that comprise Portland cement with the acid-soluble filler providing an acid-solubie component so that the compositions can be dissolved and removed.
- the acid-soluble filler is present in a cement composition comprising a Sore! cement.
- suitable acid-soluble filler materials that are non-reactive with other components in the compositions, including without limitation dolomite, magnesium carbonate, calcium carbonate, and zinc carbonate.
- the acid-soluble filler may be present in the acid-soluble cement composition in an amount of from about 0,1% to about 300% by weight of the eementitious component.
- the acid-soluble filler is present in an amount of from about 50% to about 400% by weight of the eementitious component in an embodiment, the acid- soluble filler is present in an amount of from about 100% to about 300% b weight of the eementitious component, in.
- the acid-soluble cement compositions may be free of the acid-soluble .filler in that the acid-solubie cement compositions comprises the acid-solubie filler in an amount of about 0% by weight of the eementitious component.
- Embodiments of the acid-soluble cement compositions may further comprise fly ash,
- fly ash A variety of fl ashes may be suitable, including fly ash classified as Class C and Class P fly ash according to American Petroleum institute, APS. Specification for Materials and Testing for Well Cements, API Specification 1 , Fifth Ed., July 1 , 1 90.
- Class C fly ash comprises both silica and lime so thai, when mixed with water, it should set to form a hardened mass.
- Class V fly ash generally does no contain sufficient lime, so an additional source of calcium ions is required for the Class F fly ash to form a hydraulic composition, hi some embodiments, lime may be mixed with Class F fl ash in an amount in the range of about 0.1% to about.
- fly ash 25% by weight of t.be fly ash.
- the lime may be hydrated lime.
- Suitable examples of fly ash include, but are not limited to., POZMiX* ' A cement additive, commercially available -from Halliburton Energy Services, Inc., Duncan, Oklahoma.
- the fly ash generally may be included in the acid-soluble cement compositions in an amount sufficient to provide the desired compressive strength, density, and/or cost.
- the fly ash may be present in the cement compositions of the present invention in an amount in the range of about 5% to about 75% by weight of cemeniitious components.
- the fly ash may be present in an amount in the range of about 1 % to about 60% by weight of eementitious components.
- One of ordinary skill in the art, with the benefit of this disclosure, will recognize the appropriate amount of the fly ash to include for a chosen application.
- Embodiments of the acid-soluble cement, compositions may further comprise a slag cement.
- a slag cement that may be suitable for use may comprise slag.
- Slag generally does not contain sufficient basic materia!, so s!ag cement may further comprise a base to produce a hydraulic composition that may react with water to set to form a hardened mass.
- suitable sources of bases include, but are not limited to, sodium hydroxide, sodium bicarbonate, sodium carbonate, lime, and combinations thereof.
- the slag cement generally may be included in the acid-soluble cement composition in an amount sufficient to provide the desired compressive strength, density, and/or cost, in some embodiments, the slag cement may be present in the cement, compositions of the present invention in an amount in the range of about 0.1% to about 99% b weight of cemeniitious components, in some embodiments, the slag cement may be present in an amount in the range of about 5% to about 75% by weight of eementitious components.
- One of ordinary skill in the art. with the benefit of this disclosure * will recognize the appropriate amount of the slag cement to include for a chosen, application.
- Embodiments of the acid-soluble cement compositions may further comprise metakaolin.
- metakaolin is a white pozxolan that may be prepared by heating kaolin clay, for example, to temperatures in the range of about 600 Q C to about 800°C.
- the metakaolin may be present in the cement compositions of the present invention in an amount in the range of about 5% to about 95% by weight of eementitious components, in some embodiments, the metakaolin may be present in an amount in the range of about 10% to about 50% by weight of eementitious components.
- Embodiments of the acid-soluble cement compositions may further comprise shale.
- shale included in the cement compositions may react with excess lime to form a suitable, cementing material, for example, calcium silicate hydrate,
- a variety of shales may be suitable, including those comprising silicon, aluminum, calcium, and/or magnesium.
- An example of a suitable shale comprises vitri fied shale.
- vitrified shale include, but are not limited to, PRESSUR-SEAL FINE LCM material and PRESSUR-SEAE COARSE LCM material, which are commercially available from ⁇ Energy Services, Inc., Houston, Texas.
- the shale may have any particle size distribution as desired for a particular application. In certain embodiments, the shale may have a particle size distribution in the range of about 37 micrometers to about 4,750 micrometers.
- the shale may be included in the acid-soluble cement compositions of the present invention in. an amount sufficient to provide the desired compressi e strength, density, and/or cost, hi some embodiments, the shale may be present in the cement compositions of the present invention in an amount in the range of about 5% to about 75% by weight of cementitious components, hi some embodiments, the shale may be present in an amount in the range of about 10% to about. 35% by weight of cementitious components.
- the appropriate amount of the shale to include for a chosen application.
- Embodiments of the acid-soluble cement compositions ma further comprise zeolite.
- Zeolites generally are porous a imino-silicate minerals that may be either a natural or synthetic material. Synthetic zeolites are based on the same type of structural cell as natural zeolites, and may comprise alununosi!icate hydrates. As used herein, the term "zeolite” refers to ail natural and synthetic forms of zeolite. Examples of suitable zeolites are described in more detail in U.S. Patent No. 7,445,669, An example of a suitable source of zeolite is available from the C2C Zeolite Corporation o Calgary, Canada.
- the zeolite may be present in the cement compositions of the present, invention in an amount in the range of about 5% to about 65% by weight of cementitious components. In certain embodiments, the zeolite may be present in an amount in the range of about 10% to about 40% by weight of cementitious components.
- One of ordinary skill in the art, with the benefit of this disclosure, will recognize the appropriate amount of the zeolite to include for a chosen application.
- Embodiments of the acid-soluble cement compositions may further comprise a set-retarding additive.
- set-retarding additive refers to an additive thai retards the setting of the acid-soluble cement compositions of the present invention.
- suitable set-retarding additives include,, bui are not limited to, ammonium, alkali metals,, alkaline earth metals, metal salts of su!fba!ky Sated lignins, organic acids (e.g., Irydroxyearhoxy acids), copolymers that comprise acrylic acid or maleic acid, and combinations thereof.
- a suitable sulfoalkylaied Hgnin comprises a sulfomethylated lignin.
- Suitable set-retarding additives are disclosed in more detail in United States Patent No, Re, 31,190, the entire disclosure of which is incorporated herein b reference. Suitable set-retarding additives are commercially available from Halliburton Energy Services, Inc. under the trademarks HR*-4, HR* ' -5, IIR*-?, HR*-12, H . ⁇ 15, HR*- 25, fiR ⁇ -601 , SCRTM- 100, and SCRTM-50(> retarders.
- the set- retarding additive may be included in the cement compositions of the present in vention in an amount sufficient to provide the desired set retardation, in some embodiments, the set- retarding additive may be present in the cement compositions of the present invention an amount in the range of about 0.1% to about 5% by weigh t of cementitious componen ts.
- the set- retarding additive may be present in the cement compositions of the present invention an amount in the range of about 0.1% to about 5% by weigh t of cementitious componen ts.
- additives may be added to the acid-soluble cement compositions of the present invention as deemed appropriate by one skilled in the art, with the benefit of this disclosure.
- additives include, but are not limited to, strength-retrogression additives, set accelerators, weighting agents, lightweight additives, gas-generating additives, rneeiianical-property-enhancing additives, lost-circulation materials, filtration-control additives, dispersants, fluid- ioss-control additives, defoaming agents, foaming agents, oil-swellable particles, water-swe.llab.le particles, thixotropie additi ves, and combinations thereof.
- additi ves include crystalline silica, amorphous silica, fumed silica, salts, fibers, hydratable clays, microspheres, rice husk ash, elastomers, elastomerie particles, resins, latex, combinations thereof, and the like.
- a person having ordinary skill in the art, with the benefit of this disclosure, will readily be able to determine the type and amount of additive useful fo a particular application and desired result.
- the components of the acid-soluble cement compositions may be combined i any order desired to form an acid-soluble cement composition that can be placed into a subterranean formation.
- the component of the acid-soluble cement compositions may be combined using any mixing device compatible with the composition, including a bulk mixer, for example, in some embodiments, a dry blend may first be formed by dry blending dry components comprising, for example, C .D and/or hydraulic cement. The dry blend may then be combined with water to .form the acid-soluble cement composition.
- Other suitable techniques may be used for preparation of the aeid-soluble cement compositions as will be appreciated by those of ordinary skill in the art in accordance with embodiments of the present invention.
- the acid-soluble cement compositions of the present invention may be used in subterranean operations in accordance with embodiments of the present invention.
- the cement composition may be used to seal off one or more subterranean zones from a well bore; to plug a void or crack in a conduit disposed in the well bore; t plug a void or crack in a cement sheath disposed in the well bore; to plug an opening between the cement sheath and the conduit; to prevent the loss of fluid from the well bore into loss circulation zones such as a void, vug, or fracture; to form an annular plug; to isolate a gravel packed interval of the well bore; or combinaiions thereof.
- the acid-soluble cement composition may be used to form an acid-soluble barrier (e.g., a plug, a seal, etc.) in a subterranean formation.
- an acid-soluble barrier e.g., a plug, a seal, etc.
- the acid-soluble cement composition may be introduced into a well-bore annufus and allowed to set to form an acld-solub!e cement sheath,
- An example of a method of the present invention comprises placing an acid- soluble cement composition in & subterranean formation, and allowing the acid-soluble cement composition to set in the formation
- the phrase "placing an acid-soluble cement composition in the subterranean formation” encompasses placement of the eement composition in the well bore and/or placement of the cement composition in rock surrounding the well bore with the well bore penetrating the subterranean formation, among others.
- the cement composition should form an acid-soluble hardened mas In the subterranean formation.
- the acid-soluble hardened mass can be left in the subterranean formation permanently or can be removed.
- Removal of the hardened mass may be desired so that the subterranean formation can be utilized in subsequent hydrocarbon production in accordance with embodiments of the present invention.
- removal of the hardened mass includes contacting the hardened mass with an aqueous acid composition to at least partially dissolve the hardened mass.
- the hardened mass may be completed removed, in other embodiments, the hardened mass may be partially removed.
- the aqueous acid composition may contact the hardened mass to form through openings in the hardened mass to place the subterranean formation in communication with the interior of a pipe string, for example.
- the aqueous acid composition may include, for example, from about 7.5% to about 28% hydrochloric acid by weight of the composition.
- the aqueous acid composition includes hydrochloric acid in an amount of about 15% by weight.
- Another example of a method of the -present invention comprises placing an acid-soluble cement composition in a well-bore annufus (e.g., an atmu!us between a pipe string disposed in a well bore and a wall of the well bore); and allowing the acid soluble cement composition to set.
- the acid-soluble cement composition may set in the well-bore annulus to form an acid-soluble cement sheath.
- removal of the hardened mass includes contacting the hardened mass with an aqueous acid composition to at least partially dissolve the hardened mass.
- the aqueous acid composition may contact the hardened mass to form through openings in the hardened mass to place the subterranean formation in communication with the interior of a pipe string, for example.
- the aqueous acid composition may be placed into the well bore and allowed to contact the hardened mass through one or more openings in the pipe string.
- a series of acid-soluble cement compositions was prepared at room temperature and subjected to crush strength and solubility testing. Each of the samples contained sufficient water to provide the density provided in the table below and. comprised various quantities of Class H Portland cement, Holcim CKD, and/or calcium carbonate, as indicated in the table below.
- Crush Strength ' Testing For the crush strength testing, each sample was poured into a 2-inch cube, allowed to cure in a water bath at 150*F for 48 hours (Samples I - 5) or 72 hours (Samples 6-10), and then crushed. The crush strengths were determined using a Tinius Olson tester in accordance with API Specification 10.
- Example 3 thus indicates that acid-soluble cement compositions containing from 25% to 100% CKD by weight, from 0% to 75% Portland cement by weight, and from 100% to 300% calcium carbonate by weight may have properties suitable for use in acid- soluble operations.
- the samples were prepared at room temperature with thickening time tests conducted at I40*F on a portion of each composition in accordance with API Specification 10.
- the crush strength of Sample 12 was determined by pouring the sample into a 2-inch cube, allowing it to cure in a water bath at 160°F for 72 hours, and then crushing the cured cube.
- the crush strength was determined using a Tinius Olson tester in accordance with API Speci fication 10. The results of the thickening time and force resistance tests are provided in the table below.
- Example 2 thus indicates that acid-soluble cement com-positiom containing from 25% to 50% CK.D by weight, from 50% to 75% Portland cement by weight, and 100% calcium carbonate by weight may have properties suitable for use in acid-soluble operations.
- An additional acid-soluble cement composition was prepared to determine force resistance properties of compositions comprising pumicite.
- T he composition contained sufficient water to provide the density provided in the table be!ow and comprised Class Portland cement, 200-mesh pumicite, calcium carbonate, a set-retarding additive (HR* «5 retartfer), and hydrated lime, as indicated in the table below.
- HR* set-retarding additive
- hydrated lime as indicated in the table below.
- the composition was poured into a 2-inch cube and cured at 180°F for 24 hours. The acid solubility of the composition was then determined by submerging the cured cube in a 15% by weight hydrochloric acid solution in accordance with the procedure described above in Example 1.
- the composition was poured into a 2-inch cube, allowed to cure in a water bath for 24 hours at 1 BO'T, and then crushed.
- the 24-hour crush strength was determined using a Tinius Olson tester in accordance with API Specification 10. The results of the tests are set forth in. the table below. In the following table, percent by weight is based on the weight of the cement and the C D in the samples.
- Example 3 thus indicates that acid-soluble cement corn-positions containing Portland cement, puniicite, and calcium carbonate may have properties suitable for use in acid-soluble operations.
- compositions comprising Sore! cement (e.g. f a mixture of magnesium chloride and magnesium oxide), C- .0, and/or pumicite.
- Sore! cement e.g. f a mixture of magnesium chloride and magnesium oxide
- C- .0 a mixture of magnesium chloride and magnesium oxide
- pumicite e.g. f a mixture of magnesium chloride and magnesium oxide
- Each of the samples contained water, magnesium chloride (C-TEK), magnesium oxide (TH ERM ⁇ . ' 1 LT additive), Ho!cim CKD* - 200-mesh pumicite, and/or hydrated lime, as indicated in the table below.
- the crush strength of the compositions was determined b pouring each composition into a 2-inch cube, allowing the cube to cure in -a water bath at 140°F for either 24 or 48 hours, and then crushing the cured cube,
- the crush strengths were determined using a Tinius Olson tester in accordance with API Specification 10. The results of the tests are set. forth in the table below.
- Example 4 thus indicates that acid-soluble cement compositions containing
- Example 5 thus indicates that acid-soluble cement compositions having a lightweight and containing Sorel cement and cement kiln dust may have properties suitable for use in acid-soluble operations.
- Example thus indicates that acid-soiuble cement compositions containing
- cement and cement kiln dost may have properties suitable for use in acid-soiuble operations.
- An additional, acid-soluble cement composition was prepared at room. temperature and subjected to crush strength and solubility testing. This sample was prepared to test the Solubility of an acid-soluble cement composition comprising CKD and tree of any acid-soiuble fillers.
- the sample comprised Holcim CKD (25% bwob), Texas Lehigh Class H Portland cement (.25% bwob), fly ash (POZM.IX* A cement additive, 25% bwob), bentoiiite (2,5% bwob), a set-retarding additive (HR 'fc -800 retarder, 0,4% bwob), a fluid-loss- control additive (HALAD ' *-447.
- bwob 0.25% bwob
- a free-wate.r-control additive WG-17 EXP tree- water control agent, 0,2% bwob
- fresh water 6.2 gal/sk
- % bwob indicates the percent of the component by weight of a cement blend comprising the CKD, Portland cement, and fly ash.
- gal/sk indicates gallon per 89.5- pound sack of the cement blend. The sample had a density of 14 pounds per gallon.
- Crush Strength Testing For the crush strength testing, a portion of the sample was poured into a 2-inch cube and allowed to cure in a water bath at 140°F for 7 days. Alter curing, the sample cubes were placed in an 80°F water bath tor at least 30 minutes and then crushed. The crush strengths were determined using a Tinius Olson tester in accordance with API Specification 10. The determined crush strength was 2,200 psi.
- Solubilit Testing For the solubility testing, a portion of the sample was poured into a 2-inch cube and allowed to cure in a water bath at !40 Q F for 48 hours. After curing, the sample cubes were placed in an 80°F water bath for at least 30 minutes and then weighed to determine an initial weight. Each sample cube was then submerged in 2,000 milliliters of a 15% by weight hydrochloric acid solution in a 3,000 milliliter beaker at ambient conditions. The sample cube was supported in the acid solution above a magnetic
- Example 7 thus indicates that acid-soluble cement compositions containing
- additional acid-soluble filler may have solubility properties suitable for use in acid-soluble operations.
- An additional acid-soiubie cement composition was prepared at room temperature and subjected to crush strength and solubility testing. This sample was prepared to further test the solubility of an acid-soluble cement composition comprising CKD and free of any acid-soluble fillers.
- the sample comprised Bolemi CKD (100% bwob), calcium chloride (3% bwob). and fresh water (6,67 gal/sk).
- the abbreviation "% bwob” indicates the percent of the component by weight of a cement blend consisting of the CKD. ' The sample had a density of 13 pounds per gallon.
- Crush Strength Testing For the crush strength testing, a portion of the sample was poured, into a 2-inch x. 4-inch cylinder and allowed to cure n a water bath at 17 ⁇ F for 24 hours. After curing, the sample cubes were placed In an 80°F water bath for at least. 30 minutes and then crushed. The crush strengths were determined using a Tinius Olson tester in accordance with API Specification 10. The determined crush strength was 345 psi.
- Solubility Testing For the solubility testing, a portion of the sample was poured into a 2-inch x 4-inch cylinder and allowed to cure in a water bath at ! 40°F for 24 hours. After curing, the sample cylinders were placed in an 80°F water bath for at least 30 minutes and then weighed to determine an initial weight. Each sample cylinder was then submerged in 2.000 milliliters of a 7,5% by weight hydrochloric acid solution at 140 3 ⁇ 4 F in a 3,000 milliliter beaker. The sample cylinder was supported in the acid solution above a magnetic stir bar. The magnetic stir bar was rotated to create a slight vortex on the surface of die acid solution..
- Example 8 thus indicates that acid-soluble cement compositions containing CKD and free of an additional acid-soluble filler may have solubility properties suitable lor use in aesd-soJubSe operations,
- 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.
- indefinite articles “a” or “an,” as used in the claims, are defined herein to mean one or more than one of Che element that it introduces.
- ranges from any Sower Strait 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 oilier 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.
- any numerical range with a lower limit and an upper limit is disclosed, any number and any included range falling within the range are specifically disclosed. In particular, every range of values (of the form, "from about a to about b," or. equivalent! ' -, "from approximately a to b.
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US13/595,493 US8950486B2 (en) | 2005-09-09 | 2012-08-27 | Acid-soluble cement compositions comprising cement kiln dust and methods of use |
PCT/US2013/056719 WO2014035923A1 (en) | 2012-08-27 | 2013-08-27 | Acid-soluble cement compositions comprising cement kiln dust and methods of use |
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EP2888335A1 true EP2888335A1 (en) | 2015-07-01 |
EP2888335A4 EP2888335A4 (en) | 2016-04-06 |
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EP (1) | EP2888335A4 (en) |
AU (1) | AU2013309038B2 (en) |
BR (1) | BR112015004026A2 (en) |
CA (1) | CA2881910A1 (en) |
IN (1) | IN2015DN01221A (en) |
MX (1) | MX2015002469A (en) |
MY (1) | MY171131A (en) |
WO (1) | WO2014035923A1 (en) |
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WO2018075038A1 (en) | 2016-10-20 | 2018-04-26 | Halliburton Energy Services, Inc. | Methods for improving channel formation |
FR3106183B1 (en) * | 2020-01-13 | 2022-02-04 | Itp Sa | Double-jacketed pipeline junction fitting |
CN116023915B (en) * | 2021-10-25 | 2024-05-24 | 中石化石油工程技术服务有限公司 | Gas reservoir protective agent and preparation method thereof |
EP4382502A1 (en) * | 2022-12-06 | 2024-06-12 | Halliburton Energy Services Inc. | Sorel cement composition with enhanced compressive strength and hydrothermal stability |
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US5529123A (en) * | 1995-04-10 | 1996-06-25 | Atlantic Richfield Company | Method for controlling fluid loss from wells into high conductivity earth formations |
US6749679B2 (en) * | 2002-01-23 | 2004-06-15 | Advanced Materials Technologies, Llc | Composition of materials for production of acid resistant cement and concrete and methods thereof |
US8297357B2 (en) * | 2005-09-09 | 2012-10-30 | Halliburton Energy Services Inc. | Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use |
US7478675B2 (en) * | 2005-09-09 | 2009-01-20 | Halliburton Energy Services, Inc. | Extended settable compositions comprising cement kiln dust and associated methods |
US7743828B2 (en) * | 2005-09-09 | 2010-06-29 | Halliburton Energy Services, Inc. | Methods of cementing in subterranean formations using cement kiln cement kiln dust in compositions having reduced Portland cement content |
-
2013
- 2013-08-27 BR BR112015004026A patent/BR112015004026A2/en not_active IP Right Cessation
- 2013-08-27 MX MX2015002469A patent/MX2015002469A/en unknown
- 2013-08-27 AU AU2013309038A patent/AU2013309038B2/en not_active Ceased
- 2013-08-27 CA CA 2881910 patent/CA2881910A1/en not_active Abandoned
- 2013-08-27 EP EP13833974.2A patent/EP2888335A4/en not_active Withdrawn
- 2013-08-27 IN IN1221DEN2015 patent/IN2015DN01221A/en unknown
- 2013-08-27 MY MYPI2015700561A patent/MY171131A/en unknown
- 2013-08-27 WO PCT/US2013/056719 patent/WO2014035923A1/en active Application Filing
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AU2013309038B2 (en) | 2016-03-31 |
MX2015002469A (en) | 2015-09-21 |
EP2888335A4 (en) | 2016-04-06 |
IN2015DN01221A (en) | 2015-06-26 |
BR112015004026A2 (en) | 2017-07-04 |
MY171131A (en) | 2019-09-27 |
CA2881910A1 (en) | 2014-03-06 |
AU2013309038A1 (en) | 2015-02-19 |
WO2014035923A1 (en) | 2014-03-06 |
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