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含油地层
oil bearing formation
- 由于不用压井就能更换阀门，还不会对油井含油地层造成破坏，从而更好地保护了油气层。
As the valve can be replaced with pressure balance and the oil layer of the oil well can not be damaged, the oil and gas layer is better protected. - 利用重叠的方法来指示地层的含油性。
A wrapping method is used to indicate oil-bearing characteristic of the formation. - 分析了曲线形态的影响因素，为正确评价地层的含油性提供了较可靠的理论依据。
Some factors influencing curve type are analyzed, which provides a reliable theory for formation evaluation.
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