Rumaila oil field
|Operator||Rumaila Operating Organization|
|Owner||Iraq National Oil Company|
State Oil Marketing Organization (SOMO) (6%)
|Current production of oil||1,351,000 barrels per day (~6.732×107 t/a)|
|Estimated oil in place||17,000 million barrels (~2.3×109 t)|
|Producing formations||Main Pay, Mishrif, Upper Shale, Bn Umer, 4th Pay|
The Rumaila oil field is a super-giant oil field located in southern Iraq, approximately 20 mi (32 km) from the Kuwaiti border. Discovered in 1953 by the Basrah Petroleum Company (BPC), an associate company of the Iraq Petroleum Company (IPC), the field is estimated to contain 17 billion barrels, which accounts for 12% of Iraq's oil reserves estimated at 143.1 billion barrels. Rumaila is said to be the largest oilfield ever discovered in Iraq and is considered the third largest oil field in the world.
Under Abd al-Karim Qasim, the oilfield was confiscated by the Iraqi government by Public Law No. 80 of 11 December 1961. Since then, this massive oil field has remained under Iraqi control. The assets and rights of IPC were nationalised by Saddam Hussein in 1972, and those of BPC in 1975. The dispute between Iraq and Kuwait over alleged slant-drilling in the field was one of reasons for Iraq's invasion of Kuwait in 1990.
The oil field requires regular investment to manage its reservoir. To maintain steady output, 200,000 barrels a day of lost production has to be replaced every year.
The field is owned by Iraq and subcontracted to BP and CNPC under Iraq Producing Field Technical Service Contract (PFTSC). BP is an operator of the project with 47.6% while CNPC and SOMO hold 46.4% and 6%, respectively. BP and CNPC will recover a renumerated fee of $2 per barrel in profits which will account to 15 to 20% rate of return on investment. Iraqi government and BP agreed to cut the initial bidding price per barrel from $3.99 to $2.00 in June 2009. The US changed its status of forces agreement the same month, starting to depart from Iraq. ExxonMobil which also bid on servicing this field at a price $4.80 walked away due to price cutting terms by the Iraqi Government leaving BP and CNPC as winners of the contract. BP expects the costs will begin to be recovered after the production will be raised by 10% from the current output. The rehabilitation and expansion project will be managed by Rumaila Field Operating Organization (ROO) which will be staffed mainly from PETROFAC employees, a wide range of international oilfield service providers, and smaller number of experts from BP and CNPC.
An estimated $15 billion will be spent on enhancing the operations at Rumaila over the next 20 years.
As of December 2015, the field produces 1,351,000 barrels per day (214,800 m3/d) making up 40% of Iraq's oil production of 2.4 million barrels per day (380,000 m3/d). Currently ~270 production wells are operating at Rumaila. BP and CNPC intend to raise the production to 2.1 million barrels per day (330,000 m3/d) within the next six years. Once this production milestone is reached, Rumaila will become the second largest oil field in the world after the Saudi Arabian Ghawar oil field. However, it is likely that the target for peak production is cut down to between 1.8-2.2 million barrels per day (bpd), the Iraqi oil ministry and oil industry sources said.
Oil production is operated by Rumaila Operating Organisation, with 14 "degassing stations" currently installed - 7 in the North field and 7 in the South field. These stations provide 3-phase separation (oil, water & natural gas). Crude oil is sent by pipeline to local refineries or ports in Basrah for export. Natural gas is provided to the Basrah Gas Company. Water is disposed into disposal wells. Degassing station names:
- North Rumaila: DS1, DS2, DS3, DS4, DS5, NIDS, SIDS
- South Rumaila: Markezia (Rumaila), Janubia, Shamyah, Qurainat, Mishrif Shamyah, Mishrif Qurainat, Ratqa
- Drilling contracts
In early 2010, BP subcontracted deals valued at around $500 million to Weatherford International, consortium of Schlumberger and Iraqi Drilling Co, and Daqing Oilfield Company Limited from China to drill 49 new wells at Rumaila. Weatherford is going to drill seven wells while partnership of Schlumberger and Iraqi Drilling Co, and Daqing Oil Field Co will drill 21 wells each.
In February 2011, Conceptual Design, Front End Engineering Design (FEED), Minimum Work Obligations and Integrated Project Management Team (IPMT) services contract was awarded to WorleyParsons
Rumaila reportedly holds an estimated 17 billion barrels (2.7×109 m3) of oil; which accounts for 12% of Iraq's oil reserves, estimated at 143.1 billion barrels. The oil sits approximately 2,400 m (7,900 ft) below the surface which is considered an easy target for production. At current production rate of 1,330,000 barrels per day (211,000 m3/d), the reserves-to-production ratio is 35 years.
Rumalia oil field was critical in the 1990 Gulf War. Iraq, after accusing Kuwait of allegedly side-drilling under Iraqi soil, launched an attack on Kuwait on 2 August 1990. In addition, Kuwait had been producing quantities of oil, which were above treaty limits established by OPEC.
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