Bahrain National Gas Company (Banagas) will emphasise quality, excellence, and environmental protection as it participates in Gulf Industry Fair with Bahrain’s National Oil and Gas Authority (Noga).

Banagas, a major gas producer and export-led organisation and a major industrial company for Bahrain, is a recipient of the prestigious Sheikh Khalifa bin Salman Al-Khalifa Award for Excellence.
The company produces approximately 3,000 bbls of propane, 2,700 bbls of butane and 4,500 bbls of naphtha per day and these products are exported to various parts of world where they are used as industrial and domestic fuel. Production also reaches into petrochemical feedstock.
Banagas operates LPG plant facilities to recover propane, butane and naphtha from oil wells with associated gas, Arab gas and refinery gas. Liquefied propane and butane are transferred to refrigerated storage for shipment at the Sitra terminal. Naphtha is sent to the Bapco refinery for storage and subsequent export.
Tail or residue gas is used as fuel for Banagas furnaces and gas turbines with the remainder supplied to Aluminum Bahrain (Alba) power stations and Bapco. This residue gas, 245 million standard cu ft per day (mmscfd), represents a quarter of Bahrain’s daily fuel gas consumption.
The original plant was commissioned in 1980 with capacity of 110 mmscfd of associated gas. Currently, Banagas operates two gas-processing trains with a total feed gas throughput of 280 mmscfd.
The low pressure associated gas is collected from 16 well manifolds in the Bahrain oilfield. Gas is separated in gas oil separators (GOSPS) at a controlled pressure of about 35 psig. This collected gas is then sent to compressor stations 1 to 7. Additionally, low pressure non-dehydrated refinery gas is also supplied from Bapco refinery to CS-7, whereby it is compressed along with the associated gas and delivered to the central gas plant for LPG recovery.
At each compressor station, gas from several GOSPS is gathered into an inlet header and compressed by a two-stage centrifugal compressor driven by gas turbines to about 420 psig. The gas is then cooled by air fans and dehydrated.
During the process some of the gas is condensed and sent to Banagas’ central gas plant (CGP). The compressed gas however contains some water vapour and acidic gases like carbon dioxide and hydrogen sulphide.
The water vapour may condense in the pipe line due to natural cooling and the free water, together with hydrogen sulphide and carbon dioxide present in the associated gas stream, will form corrosive acid. To avoid this, the compressed gas is dried in a glycol dehydration unit before being pumped through gas pipelines to the CGP.
After a series of plant expansions, Banagas now operates two process trains with a total gas throughput of 280 mmscfd, of which 25 mmscfd is high-pressure Arab Gas. The two process trains are identical and use refrigerated lean oil-heavy naphtha to recover LPG from the feed gas. Each train consists of condensate, absorption, fractionation, treating and intermediate storage sections.