Affiliation:
1. University of New South Wales
2. Tarbiat Moallem University
Abstract
Summary
The effects of carboxymethylcellulose (CMC) polymer with some other additives on Class G cement were investigated to design a slurry for a field in the south of Iran subject to tectonically induced horizontal in-situ stress. For a number of alternative slurries, characteristics such as compressive strength, permeability, free water, and fluid loss were examined. Fundamental theoretical studies and laboratory experiments were conducted using a system-based approach, endeavoring to minimize undesired properties progressively. The result was a cement slurry with specifications of early and high compressive strength, low permeability, suitable rheological properties, and a wide range of thickening time and suitable slurry for this case. Accordingly, the major contributions of this research lie in two aspects. First, a new package of additives is introduced to be used in similar cases in the oilwell-drilling industry. Second, a systematic experimental/theoretical approach for optimization of cement slurry in accordance with functional requirements is documented.
Publisher
Society of Petroleum Engineers (SPE)
Subject
Mechanical Engineering,Energy Engineering and Power Technology
Cited by
15 articles.
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