The filtering flow rules and water-oil displacement characteristics in deep pay and low-permeability reservoirs has some specialities.
深层低渗透率油藏的渗流规律及水驱油特性具有特殊性。
However, most of undeveloped new blocks are low-grade reservoirs with many development difficulties such as super heavy oil, low permeability, thin bed and deep pay.
而尚未开发的新区大多属于超稠油、低渗、薄层或深层等开采难度较大的低品位油藏。
However, most of undeveloped new blocks are low-grade reservoirs with many development difficulties such as super heavy oil, low permeability, thin bed and deep pay.
而尚未开发的新区大多属于超稠油、低渗、薄层或深层等开采难度较大的低品位油藏。
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