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The AAPG/Datapages Combined Publications Database

Indonesian Petroleum Association

Abstract


10th Annual Convention Proceedings, 1981
Pages 423-434

Multi Development of Offshore Gasfields in the South China Sea and Java Sea Using a Liquefaction and Marine Transportation System

Keith Edwards, E. K. Faridany

Abstract

In addition to the substantial gas potential currently under appraisal and development, exploration in Indonesian offshore waters has also indicated the existence of a number of gas fields whose modest reserve size and geographical remoteness make their economic feasibility doubtful under present development criteria.

The present paper describes a liquefaction and marine transport system specifically designed to improve the chances of commercial exploitation of gas from such smaller, marginal fields – whether they be lean gas or associated gas rich in natural gas liquids.

The system which involves the storage and marine transportation of LNG under moderate pressure (3frac12.gif (855 bytes) to 4frac12.gif (855 bytes) atmospheres), is particularly suitable for multiple-field applications and example cases are shown which indicate that total costs in the range of $1.50 to $2.50 per million BTU may be expected for the entire liquefaction and shipping process including storage and regasification of the LNG onshore.

As the market value of LNG in the Far East is now around $6.00 per million BTU (even before regasification) the economic potential of the system is very attractive.


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