The filtering flow rules and water-oil displacement characteristics in deeppay 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。
2
However, most of undeveloped new blocks are low-grade reservoirs with many development difficulties such as super heavy oil, low permeability, thin bed and deeppay.
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。
3
The Treasury’s pay tsar is thought to be considering imposing deeppay cuts on the 25 most senior executives at firms it still owns shares in, including Citigroup and BofA.