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2007•Journal of Southwest Petroleum UniversityRequires access

INFLUENCE ON WELL-BOTTOM PRESSURE FOR ABNORMALLY HIGH PRESSURE WELL

Chunmei Fu

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Abstract

Wellhead pressure testing of abnormally high pressure gas well will be abnormal when unstable testing is conducted.By considering well bore fluid temperature change after closing well,the well bore temperature prediction model while producing and the well bore temperature drop model are set up in this paper.The well-bottom pressure computation method is proposed.The practical computation shows that the influence of the abnormality of wellhead pressure on well testing can be eliminated.

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What this paper is about

Wellhead pressure testing of abnormally high pressure gas well will be abnormal when unstable testing is conducted.By considering well bore fluid temperature change after closing well,the well bore temperature prediction model while producing and the well bore temperature drop model are set up in this paper.The well-bottom pressure computation method is proposed.The practical computation shows that the influence of the abnormality of wellhead pressure on well testing can be eliminated.

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Available abstract

Wellhead pressure testing of abnormally high pressure gas well will be abnormal when unstable testing is conducted.By considering well bore fluid temperature change after closing well,the well bore temperature prediction model while producing and the well bore temperature drop model are set up in this paper.The well-bottom pressure computation method is proposed.The practical computation shows that the influence of the abnormality of wellhead pressure on well testing can be eliminated.

Key concepts: Wellhead, Computation, Hydrostatic test, Pressure drop, Closing (real estate), Petroleum engineering, Fluid pressure, High pressure

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