An Evaluation of Concentric Casing for Nonuniform Load Applications

Author:

Pattillo P. D.1,Moschovidis Z. A.1,Lai Manohar1

Affiliation:

1. Amoco E&P Technology Group

Abstract

Summary This study offers both theoretical and experimental evidence of the benefits of running a concentric casing configuration in a nonuniform load environment. The study is further enhanced by numerical modeling, particularly with regard to determining the sensitivity of the configuration to key variables. The alternative of running a single string of heavy-wall casing also is discussed.

Publisher

Society of Petroleum Engineers (SPE)

Subject

Mechanical Engineering,Energy Engineering and Power Technology

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