Cement compositions comprising latex and a nano-particle and associated methods

• US 7,784,542 B2
• Filed: 05/27/2009
• Issued: 08/31/2010
• Est. Priority Date: 05/10/2007
• Status: Expired due to Fees

• Current Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Original Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Inventors: Deshpande, Abhimanyu, Patil, Rahul Chandrakant, Tarafdar, Abhijit, Gordon, Christopher Lynn, Chatterji, Jiten, Roddy, Craig W., Cromwell, Roger
• Primary Examiner(s): SUCHFIELD, GEORGE A
• Application Number:
  US12/472,561
• Publication Number:
  US 20090236097A1
• Time in Patent Office: 461 Days
• Field of Search: None
• US Class Current: 166/293
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: C04B 14/062 Microsilica, e.g. colloïdal silica preparing microsilica slurries or suspensions C04B18/148
• CPC Class Codes: C04B 14/10 Clay sepiolite C04B14/042; grog C04B18/025
• CPC Class Codes: C04B 14/28 of calcium
• CPC Class Codes: C04B 14/30 Oxides other than silica ferrites C04B14/363
• CPC Class Codes: C04B 14/301 porous or hollow
• CPC Class Codes: C04B 14/306 Zirconium oxide zircon C04B14/046
• CPC Class Codes: C04B 14/308 Iron oxide
• CPC Class Codes: C04B 20/002 Hollow or porous granular materials
• CPC Class Codes: C04B 20/008 Micro- or nanosized fillers, e.g. micronised fillers with particle size smaller than that of the hydraulic binder colloidal silica C04B14/062 ; silica fume C04B18/146
• 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 2111/00008 Obtaining or using nanotechnology related materials
• CPC Class Codes: C04B 2111/10 Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
• CPC Class Codes: C04B 24/2611 Polyalkenes
• CPC Class Codes: C04B 24/2676 Polystyrenes
• 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: C09K 2208/10 : Nanoparticle-containing well treatment fluids
• CPC Class Codes: C09K 8/426 : for plugging
• CPC Class Codes: C09K 8/428 : for squeeze cementing, e.g. for repairing
• CPC Class Codes: C09K 8/467 : containing additives for specific purposes
• CPC Class Codes: E21B 33/14 : for cementing casings into boreholes
• CPC Class Codes: Y10S 507/906 : Solid inorganic additive in defined physical form
• CPC Class Codes: Y10S 977/963 : Miscellaneous

Abstract

Methods and compositions are provided that may comprise cement, a nano-particle, latex, and water. An embodiment of the present invention includes a method of cementing in a subterranean formation. The method may include introducing a cement composition into the subterranean formation, wherein the cement composition comprises cement, a nano-particle, latex, and water. The method further may include allowing the cement composition to set in the subterranean formation. Another embodiment of the present invention include a cement composition. The cement composition may comprise cement, a nano-particle, latex, and water.

Claims

1. A method of cementing in a subterranean formation:

introducing a cement composition into the subterranean formation, wherein the cement composition comprises cement, a nano-particle essentially free of silica fume, latex, and water; and

allowing the cement composition to set in the subterranean formation.

2. The method of claim 1 wherein the cement comprises at least one hydraulic 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.

3. The method of claim 1 wherein the cement is essentially free of calcined serpentine.

4. The method of claim 1 wherein the nano-particle comprises at least one nano-particle selected from the group consisting of nano-silica, nano-alumina, nano-zinc oxide, nano-boron, nano-iron oxide, nano-calcium carbonate, nano-clay, and combinations thereof.

5. The method of claim 1 wherein the nano-particle comprises nano-silica.

6. The method of claim 1 wherein the nano-particle comprises colloidal silica.

7. The method of claim 1 wherein the nano-particle has a particle size in the range of about 5 nm to about 50 nm.

8. The method of claim 1 wherein the nano-particle is present in the cement composition in an amount of about 0.01% to about 10% by weight of the cement on a dry basis.

9. The method of claim 1 wherein the latex comprises at least one rubber material selected from the group consisting of natural rubber, modified natural rubber, synthetic rubber, and combinations thereof.

10. The method of claim 1 wherein the latex comprises at least one synthetic rubber material selected from the group an ethylene-propylene rubber, a styrene-butadiene rubber, a nitrile rubber, a nitrile butadiene rubber, a butyl rubber, a neoprene rubber, a polybutadiene rubber, an acrylonitrile-styrene-butadiene rubber, a polyisoprene rubber, an AMPS-styrene-butadiene rubber, and combinations thereof.

11. The method of claim 1 wherein the latex comprises a water-in-oil emulsion that comprises styrene-butadiene rubber.

12. The method of claim 1 wherein the latex comprises an AMPS-styrene-butadiene rubber.

13. The method of claim 1 wherein the cement composition further comprises at least one additive selected from the group consisting of a latex stabilizer, 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 fluid loss control additive, a dispersant, a defoaming agent, a foaming agent, a thixotropic additive, and a combination thereof.

14. The method of claim 1 wherein a total amount of silica in the cement composition is about 25% or less by weight of the hydraulic cement on a dry basis.

15. The method of claim 1 wherein introducing the cement composition into the subterranean formation comprises introducing the cement composition into a space between a pipe string and a wall of a well bore that penetrates the subterranean formation.

16. The method of claim 1 comprising introducing the pipe string into the well bore.

17. The method of claim 1 wherein the cement composition further comprises at least one additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a salt, fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, fly ash, slag, diatomaceous earth, metakaolin, rice husk ash, natural pozzolan, zeolite, cement kiln dust, lime, an elastomer, a resin, latex, and a combination thereof.

18. The method of claim 1 wherein the nano-silica is present in an amount in the range of about 0.01% to about 4% by weight of the cement on a dry basis.

19. A method of cementing in a subterranean formation:

introducing a cement composition into a space between the subterranean formation and a conduit disposed in the subterranean formation, wherein the cement composition comprises cement, nano-silica, latex, and water, wherein the nano-silica has a particle size in the range of about 1 nm to about 100 nm, and wherein the nano-silica is present in an amount in the range of about 0.01% to about 4% by weight of the cement on a dry basis, latex, and water; and

allowing the cement composition to set in the space.

20. The method of claim 19 wherein the nano-silica comprises colloidal silica.

21. The method of claim 19 wherein the nano-silica has a particle size in the range of about 5 nm to about 50 nm.

22. The method of claim 19 wherein the latex comprises an AMPS-styrene-butadiene rubber.

23. The method of claim 19 wherein the latex comprises a water-in-oil emulsion that comprises styrene-butadiene rubber.

24. The method of claim 19 wherein the nano-silica is essentially free of silica fume.

25. The method of claim 19 wherein the cement composition further comprises at least one additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a salt, fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, fly ash, slag, diatomaceous earth, metakaolin, rice husk ash, natural pozzolan, zeolite, cement kiln dust, lime, an elastomer, a resin, latex, and a combination thereof.

26. A method of cementing in a subterranean formation:

preparing a cement composition using encapsulated nano-particles, wherein at least a portion of the nano-particles are released;

introducing the cement composition into the subterranean formation; and

allowing the cement composition to set in the subterranean formation.

27. The method of claim 26 wherein the encapsulated nano-particles comprises at least one nano-particle selected from the group consisting of nano-silica, nano-alumina, nano-zinc oxide, nano-boron, nano-iron oxide, nano-calcium carbonate, nano-clay, and combinations thereof.

28. The method of claim 26 wherein the encapsulated nano-particles comprise nano-silica.

29. The method of claim 26 wherein the encapsulated nano-particles are encapsulated in a degradable material.

30. The method of claim 26 wherein the encapsulated nano-particles are essentially free of silica fume.

31. The method of claim 26 wherein the encapsulated nano-particles comprise a nano-particle having a particle size in the range of about 5 nm to about 50 nm.

32. The method of claim 26 wherein the encapsulated nano-particles are present in the cement composition in an amount of about 0.01% to about 4% by weight of the cement on a dry basis.

33. The method of claim 26 wherein the latex comprises at least one synthetic rubber material selected from the group an ethylene-propylene rubber, a styrene-butadiene rubber, a nitrile rubber, a nitrile butadiene rubber, a butyl rubber, a neoprene rubber, a polybutadiene rubber, an acrylonitrile-styrene-butadiene rubber, a polyisoprene rubber, an AMPS-styrene-butadiene rubber, and combinations thereof.

34. The method of claim 26 wherein the latex comprises an AMPS-styrene-butadiene rubber.

35. The method of claim 26 wherein the cement composition further comprises at least one additive selected from the group consisting of a latex stabilizer, 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 fluid loss control additive, a dispersant, a defoaming agent, a foaming agent, a thixotropic additive, and a combination thereof.

36. The method of claim 26 wherein the cement composition further comprises at least one additive selected from the group consisting of crystalline silica, amorphous silica, fumed silica, a salt, fiber, a hydratable clay, calcined shale, vitrified shale, a microsphere, fly ash, slag, diatomaceous earth, metakaolin, rice husk ash, natural pozzolan, zeolite, cement kiln dust, lime, an elastomer, a resin, latex, a combination thereof.