Gemah, Makmur, Betara, Geragai & Ripah is a producing conventional gas field located onshore Indonesia and is operated by PetroChina . The field is located in block Jabung.

Field participation details

The field is owned by PT Pertamina (Persero), China National Petroleum and Petroliam Nasional.

Production from Gemah, Makmur, Betara, Geragai & Ripah

The Gemah, Makmur, Betara, Geragai & Ripah conventional gas field recovered 67.81% of its total recoverable reserves, with peak production in 2007. The peak production was approximately 18.58 thousand bpd of crude oil and condensate and 258 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2062. The field currently accounts for approximately 2% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 175.48 Mmboe, comprised of 16.2 Mmbbl of crude oil & condensate and 955.68 bcf of natural gas reserves. Gemah, Makmur, Betara, Geragai & Ripah conventional gas field reserves accounts 0.06% of total remaining reserves of producing conventional gas fields globally.

About PetroChina

PetroChina Co Ltd (PetroChina), a subsidiary of China National Petroleum Corporation, is an oil and gas company. It explores for and develops and produces crude oil and natural gas; refines crude oil and petroleum products; and produces and sells basic and derivative chemical products and others. The company also carries out the production and marketing of primary petrochemical products. It also markets and trades refined products; and transmit natural gas, crude oil and refined products through pipelines. The company’s exploration basins include Erdos, Tarim, Sichuan, Daqing, Changqing, Liaohe, Xinjiang and Bohai Bay. The company has operational presence in China, Kazakhstan, Venezuela and Indonesia. PetroChina is headquartered in Beijing City, Beijing, China.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.