EGYPT - Associated Gas - Gulf Of Suez.
Production of associated gas began on a significant scale in 1983, when the Ras Shukheir gathering and processing system came on stream with a capacity of 80 MCF/d. It was expanded to 160 MCF/d in 1989 and 250 MCF/d in the 1990s. The system has four gathering and compression units to process gas recovered from the GUPCO and other GOS oilfields as follow:
- October: Unit No. 101, at Ras Bakr, with capacity of over 40 MCF/d. - Ramadan and July: No. 103 at Ras Shukheir, with capacity of 45 MCF/d. - Sidqi and Hilal: No. 102 at Ras Al Ish, with capacity of 60 MCF/d. - Badra and Morgan: No. 108 at Ras Shukheir, with capacity of 108 MCF/d.
The associated gas is then processed at a central plant, No. 104, at Ras Shukheir which has a capacity of more than 250 MCF/d.
A network to recover associated gas produced at oilfields in the south of the GOS was completed in 1996. The gas is piped to Ras Shukheir, where processing facilities were expanded to handle it. The system yields an additional 45 MCF/day of gas, 150 tons/day of LPG and 1,000 b/d of condensates.
Esso-Suez has installed a 38 MCF/d gas recovery system at its East Zeit field (see OMT). The gas is carried by an 11-km pipeline to a central gathering system which serves both the East Zeit field and the nearby Zeit Bay and Ras Al Bihar fields. Gas from East Zeit is pumped through the central gas gathering system to Suco's LPG facility in Zeit Bay. The Suco plant can yield 350 t/d of LPG and 1,600 b/d of condensate. Some of the gas pumped to Zeit Bay is reinjected into an oilfield there to improve recovery.
The Trans-Gulf Gas System (TGGS), a pipeline network for oilfields in the central part of the GOS completed in April 1994, recovers associated gas from GUPCO's October field and lean gas from an Abu Rudais gas recovery and LPG plant in the Belayim area in Sinai (see OMT). It carries the gas to a 130 MCF/d processing plant at Ras Bakr. TGGS' capacity was expanded from 30 MCF/d to 137 MCF/d in 1998/99, after completion of a 47 km, 10/16-inch pipeline linking it to Unit 103 at Ras Shukheir. The pipeline's marine section is 35 km and the onshore part is 12 km. At Ras Bakr the gas is compressed, dried and separated into two streams: the wet stream is piped to the Ras Shukheir plant, and the lean stream is fed directly into the national gas grid via a trunkline between Shukheir and Suez.
The 1998/99 expansions - TGGS Phase 2 - included new facilities at the Ras Bakr LPG plant for compression and separation, a dehydration unit and a propane cooler. The system includes an LPG pipeline from Abu Rudais plant to spherical tanks at Ras Bakr. The Ras Bakr plant presently can produce 110 MCF/d of dry gas, up to 950 t/d of LPG and 3,600 b/d of condensates. The TGGS expansions were, supervised by EGPC's gas unit Gasco, with GUPCO (BP Amoco/EGPC) having reviewed the technical studies and now operating its treatment units and Petrobel (EGPC/Agip) operating the pipeline. The contractors were EGPC affiliates ENPPI and Petrojet were the contractors. The system was inaugurated in May 1999 by President Mubarak.
The lean gas from Belayim is piped through an onshore pipeline from that field and Abu Zeneima to a point 26 km from Belayim. From there it runs through a 12 km marine line to a platform installed at October, which is connected by a bridge to the production platform. The combined gas is then pumped through another marine line to Ras Bakr. There the gas is compressed. (At Belayim, associated gas production began in 1985, when the Abu Rudeis plant went on stream. Rising oil output at Belayim resulted in increased gas production as well, which made it necessary to install facilities for gathering and processing the gas).
Plans are underway for associated gas in the Eastern Desert and other oil producing areas to be exploited and tied to the national gas grid.
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|Comment:||EGYPT - Associated Gas - Gulf Of Suez.|
|Publication:||APS Review Gas Market Trends|
|Article Type:||Brief Article|
|Date:||Jan 10, 2000|
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