These reservoirs are not in pressure communication. This field has two main oil-bearing reservoirs, named the Talang Akar Formation (TAF) and the K-limestone Formation (KLS). Supat is an oil field in Corridor Block in the South Sumatra Basin. The trap consists of a fault bounded three-way dip closure formed during Plio- Pleistocene shortening. The depth structure map at the Top K-Limestone shows a faulted anticline trap which is cross-cut by a series of normal faults (Figure 2). The structure is approximately seven kilometers long and four kilometers wide. The Supat structure is an elongated NE-SW trending asymmetrical anticline bounded to the north by a thrust fault. In total, 19 exploration, appraisal and development wells were drilled within the field. The Supat Field reached peak production of 3400 BOPD in April 1991 after the Supat-2 to Supat-15 wells were brought on-line. Production from the TAF started in October 1988 from the Supat-2 well, with initial production rate at 1100 BOPD.
An economic accumulation of hydrocarbons in the Talang Akar Formation (TAF) was discovered in this field in 1984 by Asamera and was fully developed in 1988. Supat Field is located in the southeastern part of the Corridor Block, Onshore South Sumatera, approximately 9 kilometers to the southwest of the Rawa Field (Figure 1). Visit our Palm Oil in Indonesia section to read more about Indonesia's palm oil industry. PP London Sumatra Indonesia also owns cocoa plantations in East Java, North Sulawesi and North Sumatra, as well as tea plantations in West Java. Lonsum operates four rubber factories (including four crumb rubber production lines that have a processing capacity of 42,720 tons per annum) and three sheet rubber production lines (with a processing capacity of 11,100 tons per annum). By the end of 2013, the company’s nucleus rubber plantation area covered 17,300 hectares, of which 28 percent is still immature. Lonsum’s rubber is produced in the estates on North Sumatra, South Sumatra and South Sulawesi.
Total annual processing capacity of these mills is 2,295,000 tons of fresh fruit bunches (FFB). It operates a total of 11 palm oil mills: four in North Sumatra, six in South Sumatra and one in East Kalimantan. As of 1 January 2014, Lonsum has a total of 89,845 hectares of oil palm plantations across its nucleus estates.
Between 85 and 90 percent of total production is sold on the domestic market, the remainder exported. Rubber's share towards sales volume is roughly 8 percent. Palm products accounted for around 85 percent of the company's sales volume in 2013.
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