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The AAPG/Datapages Combined Publications Database

Indonesian Petroleum Association

Abstract


15th Annual Convention Proceedings (Volume 2), 1986
Pages 65-77

Bentayan Field: Unique Method of Heavy Oil Production, South Sumatra

S. T. Jacobs

Abstract

The Bentayan Field in Asamera's South Sumatra Corridor Block was discovered by BPM (Shell) in 1932. Thirteen wells were drilled by various operators in the period following discovery by Bentayan No. 1. Until recently (October, 1985) the field was undeveloped due to adverse crude properties (gravity 22° API, pour point 115°F), low estimated recovery efficiency (9.3% of O.O.I.P.), and the remote location with difficult access.

In 1982, Pertamina approved Asamera (South Sumatra) Ltd.'s development proposal.

A unique production and crude oil blending system was selected. The method utilizes a low pour point blend crude as a downhole blending medium and power fluid through the use of jet pumps and associated facilities. This allows for production at the wellhead of a refineryready, pipeline quality product, without pipeline heat tracing or slurry manufacture and pumping equipment.

This paper presents an overview of the Bentayan production project, including reservoir data, well preparation and facilities design. It emphasizes the unique production methods and complex operations required for the first successful production of this field more than fifty years after its discovery.


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