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DEVELOPMENT OF A SUBSEA WINCH SYSTEM

J. A. Graser

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Abstract

Recently there has been a rapid increase in the number of subsea well completions. Current methods of wireline or through flowline servicing of these can be expensive, and may force some marginal fields to be uneconomic. The author discusses the possible solutions for low-cost wireline servicing of wet subsea completions, and describes a subsea winch in which the winch drum is located in the well bore environment. The future use of the system for electric wireline, for diverless installation, and for use in deeper water is discussed.

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What this paper is about

Recently there has been a rapid increase in the number of subsea well completions. Current methods of wireline or through flowline servicing of these can be expensive, and may force some marginal fields to be uneconomic. The author discusses the possible solutions for low-cost wireline servicing of wet subsea completions, and describes a subsea winch in which the winch drum is located in the well bore environment. The future use of the system for electric wireline, for diverless installation, and for use in deeper water is discussed.

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Available abstract

Recently there has been a rapid increase in the number of subsea well completions. Current methods of wireline or through flowline servicing of these can be expensive, and may force some marginal fields to be uneconomic. The author discusses the possible solutions for low-cost wireline servicing of wet subsea completions, and describes a subsea winch in which the winch drum is located in the well bore environment. The future use of the system for electric wireline, for diverless installation, and for use in deeper water is discussed.

Key concepts: Winch, Wireline, Subsea, Drum, Marine engineering, Engineering, Petroleum engineering, Mechanical engineering

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