In the mudstone slipping beds containing grinding grains may possess a sealing effect through systematic analyses of the samples, and it is fully proved in the North Shanxi oil-gas field.
泥岩中含磨粒滑移层具有涂抹效应，起到油气封盖作用，这在陕北油气田已得到了验证。
In the mudstone slipping beds containing grinding grains may possess a sealing effect through systematic analyses of the samples, and it is fully proved in the North Shanxi oil-gas field.
泥岩中含磨粒滑移层具有涂抹效应，起到油气封盖作用，这在陕北油气田已得到了验证。
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