粉细砂岩油井由于埋藏浅、地层压实程度低、胶结疏松，在较大生产压差下容易出砂。
The fine siltstone reservoir is likely to produce sand under larger pressure drops because of its shallow depth, worse compaction and unconsolidated.
粉细砂岩油井由于埋藏浅、地层压实程度低、胶结疏松，在较大生产压差下容易出砂。
The fine siltstone reservoir is likely to produce sand under larger pressure drops because of its shallow depth, worse compaction and unconsolidated.
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