Oil and gas well cement systems using elemental sulfur
First Claim
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1. A method of cementing a subterranean wellbore, comprising the step of creating a pumpable cement slurry, and introducing the slurry into the wellbore, wherein said slurry comprises water and a cement composition comprising a Portland cement and elemental sulfur, the slurry being free of aggregate.
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Abstract
A cement composition for cementing an oil or gas well includes Portland cement, water and a sulfur component. The cement composition may be used to cement a well bore by creating a cement slurry including the sulfur component, pumping the slurry into the well bore to a selected location and allowing it to solidify.
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14 Claims
- 1. A method of cementing a subterranean wellbore, comprising the step of creating a pumpable cement slurry, and introducing the slurry into the wellbore, wherein said slurry comprises water and a cement composition comprising a Portland cement and elemental sulfur, the slurry being free of aggregate.
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