Well cement compositions comprising biowaste ash and methods of use

• US 8,733,440 B2
• Filed: 07/02/2009
• Issued: 05/27/2014
• Est. Priority Date: 07/02/2009
• Status: Expired due to Fees

• Current Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Original Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Inventors: Roddy, Craig W.
• Primary Examiner(s): MARCANTONI, PAUL D
• Application Number:
  US12/497,402
• Publication Number:
  US 20110000400A1
• Time in Patent Office: 1,790 Days
• Field of Search: 106/705, 106/DIG.1, 106/724, 166/292, 166/293
• US Class Current: 166/292
• CPC Class Codes: C04B 14/047 Zeolites
• CPC Class Codes: C04B 14/062 Microsilica, e.g. colloïdal silica preparing microsilica slurries or suspensions C04B18/148
• CPC Class Codes: C04B 14/08 Diatomaceous earth
• CPC Class Codes: C04B 14/10 Clay sepiolite C04B14/042; grog C04B18/025
• CPC Class Codes: C04B 14/106 Kaolin
• CPC Class Codes: C04B 14/108 Shale, slate colliery shale C04B18/125
• CPC Class Codes: C04B 14/16 porous, e.g. pumice
• CPC Class Codes: C04B 18/08 Flue dust , i.e. fly ash
• CPC Class Codes: C04B 18/10 Burned or pyrolised refuse
• CPC Class Codes: C04B 18/141 Slags
• CPC Class Codes: C04B 18/146 Silica fume
• CPC Class Codes: C04B 20/002 Hollow or porous granular materials
• CPC Class Codes: C04B 20/0048 Fibrous materials
• CPC Class Codes: C04B 2103/0088 Compounds chosen for their latent hydraulic characteristics, e.g. pozzuolanes
• CPC Class Codes: C04B 2103/12 Set accelerators
• CPC Class Codes: C04B 2103/22 Set retarders
• CPC Class Codes: C04B 2103/408 Dispersants
• CPC Class Codes: C04B 2103/46 Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
• CPC Class Codes: C04B 2103/50 Defoamers, air detrainers
• CPC Class Codes: C04B 22/08 Acids or salts thereof C04B22/0013 takes precedence
• CPC Class Codes: C04B 24/26 : obtained by reactions only involving carbon-to-carbon unsaturated bonds C04B24/243 takes precedence
• CPC Class Codes: C04B 28/02 : containing hydraulic cements other than calcium sulfates
• CPC Class Codes: C04B 38/02 : by adding chemical blowing agents
• CPC Class Codes: C04B 38/10 : by using foaming agents C04B38/02 takes precedenceor by using mechanical means, e.g. adding preformed foam
• CPC Class Codes: C09K 8/467 : containing additives for specific purposes
• CPC Class Codes: Y02W 30/91 : Use of waste materials as fillers for mortars or concrete

Abstract

Cement compositions containing biowaste ash and methods of cementing in subterranean formations using such cement compositions. Examples of suitable biowaste ash include agricultural waste ash, municipal waste ash, waste-water treatment waste ash, animal waste ash, non-human-non-animal industrial waste ash, and combinations thereof.

Claims

1. A method of well cementing comprising:

introducing a cement composition into an annulus between a subterranean formation and a pipe string disposed in the subterranean formation, wherein the cement composition comprises;

hydraulic cement comprising at least one cement selected from the group consisting of a Portland cement, a pozzolana cement, a gypsum cement, a high-alumina-content cement, a slag cement, a silica cement, and combinations thereof,

water in an amount sufficient to form a pumpable slurry and present between about 40% to about 200% by weight of the cementitious components, and

biowaste ash that does not include fly ash or rice hull ash; and

allowing the cement composition to set.

2. The method of claim 1 wherein the biowaste ash comprises at least one biowaste ash selected from the group consisting of agricultural waste ash, municipal waste ash, waste-water treatment waste ash, animal waste ash, non-human, non-animal industrial waste ash, and combinations thereof.

3. The method of claim 1 wherein the biowaste ash comprises agricultural waste ash.

4. The method of claim 1 wherein the biowaste ash comprises at least one agricultural waste ash selected from the group consisting of wood ash, tree leave ash, corn cob ash, cane ash, bagasse ash, grain ash, grain related by-product ash, orchard ash, vine trimming ash, grass ash, straw ash, ground nut shell ash, legume ash, and combinations thereof.

5. The method of claim 1 wherein the biowaste ash comprises municipal waste ash.

6. The method of claim 1 wherein the biowaste ash comprises municipal solid waste ash.

7. The method of claim 1 wherein the biowaste ash comprises biowaste that was burned at a temperature of about 400°

C. to about 900°

C. for a time period of from about 2 hours to about 8 hours.

8. The method of claim 1 wherein the biowaste ash is present in the cement composition in an amount of about 0.1% to about 75% by weight of cementitious components present in the cement composition.

9. The method of claim 1 wherein the cement composition further comprises at least one component selected from the group consisting of cement kiln dust, fly ash, a natural pozzolan, metakaolin, shale, slag, zeolite, and combinations thereof.

10. The method of claim 1 wherein the cement composition further comprises at least one additive selected from the group consisting of 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 filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, a thixotropic additive, oil-swellable materials, water-swellable materials, and combinations thereof.

11. The method of claim 1 wherein the cement composition further comprises at least one additive selected from the group consisting of a crystalline silica, amorphous silica, fumed silica, a salt, fiber, hydratable clay, calcined shale, a microsphere, pumicite, diatomaceous earth, an elastomer, a resin, latex, and combinations thereof.

12. The method of claim 1 wherein the cement composition is a lightweight cement composition having a density of less than or equal to about 13 pounds per gallon and wherein the cement composition further comprises a lightweight additive.

13. The method of claim 1 wherein the step of allowing the cement composition to set comprises at least one step selected from the group consisting of:

(i) allowing the cement composition to set in at least a portion of the annulus;

(ii) allowing the cement composition to set to seal a void located in the pipe string and/or located in a cement sheath located in the annulus;

(iii) allowing the cement composition to set to seal a portion of a gravel pack; and

(iv) allowing the cement composition to set to form a plug in the well bore.

14. The method of claim 1 wherein the cement composition is a foamed cement composition further comprising a gas and a surfactant.

15. The method of claim 1 further comprising maximizing a packing volume in the cement composition using at least one particulate material with a particle size of about 7 nanometers to about 1 millimeter, wherein the at least one particulate material comprises the biowaste ash.

16. A method of well cementing comprising:

introducing a cement composition into an annulus between a subterranean formation and a pipe string disposed in the subterranean formation, wherein the cement composition comprises;

hydraulic cement comprising at least one cement selected from the group consisting of a Portland cement, a pozzolana cement, a gypsum cement, a high-alumina-content cement, a slag cement, a silica cement, and combinations thereof,

water in an amount sufficient to form a pumpable slurry and present between about 40% to about 200% by weight of the cementitious components,

biowaste ash that does not include fly ash or rice hull ash, and

at least one additive selected from the group consisting of cement kiln dust, fly ash, a natural pozzalon, metakaolin, shale, slag, zeolite, and combinations thereof; and

allowing the cement composition to set.

17. The method of claim 16 wherein the biowaste ash comprises at least one biowaste ash selected from the group consisting of agricultural waste ash, municipal waste ash, waste-water treatment waste ash, animal waste ash, non-human, non-animal industrial waste ash, and combinations thereof.

18. The method of claim 16 wherein the biowaste ash comprises at least one agricultural waste ash selected from the group consisting of wood ash, tree leave ash, corn cob ash, cane ash, bagasse ash, grain ash, grain related by-product ash, orchard ash, vine trimming ash, grass ash, straw ash, ground nut shell ash, legume ash, and combinations thereof.

19. The method of claim 16 wherein the biowaste ash comprises municipal solid waste ash.

20. The method of claim 16 wherein the biowaste ash comprises biowaste that was burned at a temperature of about 400°

C. to about 900°

C. for a time period of from about 2 hours to about 8 hours.

21. The method of claim 16 wherein the biowaste ash is present in the cement composition in an amount of about 0.1% to about 75% by weight of cementitious components present in the cement composition.

22. The method of claim 16 wherein the cement composition further comprises at least one additive selected from the group consisting of 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 filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, a thixotropic additive, oil-swellable materials, water-swellable materials, and combinations thereof.

23. The method of claim 16 wherein the cement composition further comprises at least one additive selected from the group consisting of a crystalline silica, amorphous silica, fumed silica, a salt, fiber, hydratable clay, a microsphere, pumicite, diatomaceous earth, an elastomer, a resin, latex, combinations thereof.

24. The method of claim 16 wherein the cement composition is a lightweight cement composition having a density of less than or equal to about 13 pounds per gallon and wherein the cement composition further comprises a lightweight additive.

25. The method of claim 16 wherein the step of allowing the cement composition to set comprises at least one step selected from the group consisting of:

(i) allowing the cement composition to set in at least a portion of the annulus;

(ii) allowing the cement composition to set to seal a void located in the pipe string and/or located in a cement sheath located in the annulus;

(iii) allowing the cement composition to set to seal a portion of a gravel pack; and

(iv) allowing the cement composition to set to form a plug in the well bore.

26. The method of claim 16 wherein the cement composition is a foamed cement composition further comprising a gas and a surfactant.

27. The method of claim 16 further comprising maximizing a packing volume in the cement composition using at least one particulate material with a particle size of about 7 nanometers to about 1 millimeter, wherein the at least one particulate material comprises the biowaste ash.

28. The method of claim 16 wherein the natural pozzalon is pumicite.

29. A method of primary cementing comprising:

introducing a cement composition into an annulus between a conduit disposed in a subterranean formation and the subterranean formation, wherein the cement composition has a density in a range of from about 8 pounds per gallon to about 17 pounds per gallon and comprises;

Portland cement,

water in an amount sufficient to form a pumpable slurry and present between about 40% to about 200% by weight of the cementitious components, and

biowaste ash in an amount in a range of from about 1% to about 25% by weight of the Portland cement, wherein the biowaste ash does not include fly ash or rice hull ash, and wherein the biowaste ash has been burned in a range of from about 2 hours to about 8 hours at a temperature in a range of from about 500°

C. to about 700°

C.; and

allowing the cement composition to set in the annulus.

30. The method of claim 29 wherein the biowaste ash comprises at least one biowaste ash selected from the group consisting of agricultural waste ash, municipal waste ash, waste-water treatment waste ash, animal waste ash, non-human, non-animal industrial waste ash, and combinations thereof.

31. The method of claim 29 wherein the biowaste ash comprises agricultural waste ash.

32. The method of claim 29 wherein the biowaste ash comprises at least one agricultural waste ash selected from the group consisting of wood ash, tree leave ash, corn cob ash, cane ash, bagasse ash, grain ash, grain related by-product ash, orchard ash, vine trimming ash, grass ash, straw ash, ground nut shell ash, legume ash, and combinations thereof.

33. The method of claim 29 wherein the biowaste ash comprises municipal waste ash.

34. The method of claim 29 wherein the biowaste ash comprises municipal solid waste ash.

35. The method of claim 29 wherein the cement composition further comprises at least one component selected from the group consisting of cement kiln dust, fly ash, a natural pozzolan, metakaolin, shale, slag, zeolite, and combinations thereof.

36. The method of claim 29 wherein the cement composition further comprises at least one additive selected from the group consisting of 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 filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, a thixotropic additive, oil-swellable materials, water-swellable materials, and combinations thereof.

37. The method of claim 29 wherein the cement composition further comprises at least one additive selected from the group consisting of a crystalline silica, amorphous silica, fumed silica, a salt, fiber, hydratable clay, calcined shale, a microsphere, pumicite, diatomaceous earth, an elastomer, a resin, latex, and combinations thereof.

38. The method of claim 29 further comprising maximizing a packing volume in the cement composition using at least one particulate material with a particle size of about 7 nanometers to about 1 millimeter, wherein the at least one particulate material comprises the biowaste ash.