Wafra

WAFRA (RU: Вафра) is the petroleum field within Kuwait, at the distance of 85 kilometres to the south of the Kuwait City. Wafra belongs to the Persian Gulf petroleum-gas-bearing basin. Wafra has been discovered during the 1953, and is being developed since the 1954. The initial industrial reserves of petroleum are 607 million tonnes. Wafra is confined to the brachyanticlinal fold with the size of 16x24 kilometres. The reservoirs are layered, vaulted. There are productive the Eocene-Paleocene limestones, and also the sandstones and limestones of the Lower Cretaceous at the depth of 660-2050 metres. The terrigenous collector is granular, with the porosity of 20-30%, and with the permeability of up to 5000 millidarcies; the collector is carbonatic - porous-cracked. The density of the petroleum is 910 kilograms per cubic metre, the viscosity is 0.031 pascal-seconds, the content of S is 3.9%. There are operated several gushing boreholes, and approximately 300 deep-pumped boreholes. The annual extraction is 5.7 million tonnes (1980), the cumulative extraction is 160 million tonnes (1981). There exists the petroleum pipeline to the Mina Saud port. Wafra is being developed by the "Getty Oil Company" joint company.