The geological and geophysical characteristics of the basement oil and gas reservoir in block Y are very complex, and the lithology is metamorphic rock. Matrix porosity is very small and dense, but fractures are devel...The geological and geophysical characteristics of the basement oil and gas reservoir in block Y are very complex, and the lithology is metamorphic rock. Matrix porosity is very small and dense, but fractures are developed, which is a good reservoir space.In this paper, imaging logging combined with conventional logging curve, especially resistivity logging curve, is the main means to identify fractures. Meanwhile, the base oil and gas in block Y is condensate oil and gas and there is no water.Conventional logging has no obvious identification of fluid properties in this block, and PLT logging has obvious identification effect on fluid properties in this block. It can be combined with imaging logging to identify basement reservoir fluid.展开更多
文摘The geological and geophysical characteristics of the basement oil and gas reservoir in block Y are very complex, and the lithology is metamorphic rock. Matrix porosity is very small and dense, but fractures are developed, which is a good reservoir space.In this paper, imaging logging combined with conventional logging curve, especially resistivity logging curve, is the main means to identify fractures. Meanwhile, the base oil and gas in block Y is condensate oil and gas and there is no water.Conventional logging has no obvious identification of fluid properties in this block, and PLT logging has obvious identification effect on fluid properties in this block. It can be combined with imaging logging to identify basement reservoir fluid.
