The effect of well drainage area on original oil in place estimation using material balance equation in mature oil field
Y Sumantri, S Sunindyo, I Widiyaningsih… - AIP Conference …, 2020 - pubs.aip.org
KA oil field is located in Sumatera Basin. It has been producing oil since 1937. Because of
its long production time, KA field can be classified as a mature field. From the primary
production period (1937-1995), this field produced about 19.97 MMSTB (recovery factor of
about 35%). Oil production is continued by water flooding since in 1996 until now. The
Original Oil In Place (OOIP) calculated using the Material Balance method is nearly the
same as the value calculated using the Volumetric method, if the entire reservoir area can …
its long production time, KA field can be classified as a mature field. From the primary
production period (1937-1995), this field produced about 19.97 MMSTB (recovery factor of
about 35%). Oil production is continued by water flooding since in 1996 until now. The
Original Oil In Place (OOIP) calculated using the Material Balance method is nearly the
same as the value calculated using the Volumetric method, if the entire reservoir area can …
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