Method for Wellbore Servicing to Enhance the Mechanical Strength of Cement Using Electrochemically Activated Water

• US 20120204764A1
• Filed: 04/24/2012
• Published: 08/16/2012
• Est. Priority Date: 09/25/2006
• Status: Abandoned Application

• Current Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Original Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Inventors: Weaver, Jim, Savery, Mark, Slabaugh, Billy, Cromwell, Roger
• Application Number:
  US13/454,866
• Publication Number:
  US 20120204764A1
• Time in Patent Office: Days
• US Class Current: 106/692
• CPC Class Codes: C04B 14/108 Shale, slate colliery shale C04B18/125
• CPC Class Codes: C04B 14/24 porous, e.g. foamed glass
• CPC Class Codes: C04B 14/386 Carbon carbon nanotubes C04B14/026
• CPC Class Codes: C04B 14/42 Glass
• CPC Class Codes: C04B 14/48 Metal
• CPC Class Codes: C04B 2103/10 Accelerators; Activators
• CPC Class Codes: C04B 2103/20 Retarders
• CPC Class Codes: C04B 2103/408 Dispersants
• CPC Class Codes: C04B 2103/44 Thickening, gelling or viscosity increasing agents
• 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 22/002 Water
• 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 38/10 by using foaming agents C04B38/02 takes precedenceor by using mechanical means, e.g. adding preformed foam
• CPC Class Codes: C09K 8/42 Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells compositions for plastering C09K8/50

Abstract

A wellbore servicing method comprises converting a water into an electrochemically activated water, preparing a wellbore servicing composition comprising the electrochemically activated water, and placing the wellbore servicing composition in a wellbore. Also, cement composition comprises a cement and an electrochemically activated water.

Claims

1. A wellbore servicing composition comprising a previously electrochemically activated water.

2. The wellbore servicing composition of claim 1 formulated as a drilling fluid, a spacer fluids a fracturing fluid, a workover fluid, a completion fluid, a sealant, or combinations thereof.

3. The wellbore servicing composition of claim 1 wherein the electrochemically activated water is a catholyte.

4. The wellbore servicing composition of claim 1 wherein the electrochemically activated water is an antioxidant.

5. The wellbore servicing composition of claim 1 wherein the electrochemically activated water has a negative ionic potential.

6. The wellbore servicing composition of claim 1 wherein the electrochemically activated water has a pH from about 10 to about 12.

7. The wellbore servicing composition of claim 1 wherein the electrochemically activated water has an oxidation reduction potential from about −

600 mV to about −

900 mV.

8. The wellbore servicing composition of claim 1 further comprising cement.

9. The wellbore servicing composition of claim 8 wherein the cement comprises hydraulic cement.

10. The wellbore servicing composition of claim 8 wherein the cement comprises calcium, aluminum, silicon, oxygen, sulfur, or combinations thereof.

11. The wellbore servicing composition of claim 9 wherein the hydraulic cement comprises Portland cement, pozzolana cement, gypsum cement, shale cement, acid/base cement, phosphate cement, high alumina content cement, silica cement, high alkalinity cement, magnesia cement, or combinations thereof.

12. The wellbore servicing composition of claim 8 wherein the cement further comprises an additive.

13. The wellbore servicing composition of claim 12 wherein the additive comprises salts, accelerants, set retarders, foamers, defoamers, fluid loss agents, weighting materials, dispersants, vitrified shale, density-reducing additives, hollow glass beads, foam, formation conditioning agents, lost circulation materials, thixotropic agents, suspension aids, mechanical property modifying additives, carbon fibers, glass fibers, metal fibers, minerals fibers, polymeric elastomers, latexes, expanding additives, gas, fluid absorbing materials, resins, aqueous superabsorbers, non-aqueous superabsorbers, viscosifying agents, suspending agents, dispersing agents, inert particulates, or combinations thereof.

14. A cement composition comprising cement and a previously electrochemically activated water.

15. The cement composition of claim 14 wherein the cement comprises hydraulic cement.

16. The cement composition of claim 14 wherein the cement comprises calcium, aluminum, silicon, oxygen, sulfur, or combinations thereof.

17. The cement composition of claim 16 wherein the hydraulic cement comprises Portland cement, pozzolana cement, gypsum cement, shale cement, acid/base cement, phosphate cement, high alumina content cement, silica cement, high alkalinity cement, magnesia cement, or combinations thereof.

18. The cement composition of claim 14 wherein the cement is a construction material.

19. The cement composition of claim 14 wherein the cement further comprises an additive.

20. The cement composition of claim 19 wherein the additive comprises salts, accelerants, set retarders, foamers, defoamers, fluid loss agents, weighting materials, dispersants, vitrified shale, density-reducing additives, hollow glass beads, foam, formation conditioning agents, lost circulation materials, thixotropic agents, suspension aids, mechanical property modifying additives, carbon fibers, glass fibers, metal fibers, minerals fibers, polymeric elastomers, latexes, expanding additives, gas, fluid absorbing materials, resins, aqueous superabsorbers, non-aqueous superabsorbers, viscosifying agents, suspending agents, dispersing agents, inert particulates, or combinations thereof.