The location to be cemented may be above ground or in a subterraneanformation.
所述待胶结处可以在地面以上或在地层中。
2
The rule of reservoir pressure distribution and bottom hole flowing pressure alteration of a periodic trial-produce well in infinity subterraneanformation.
无限大地层中—口间歇试采生产井的地层压力分布及井底流压变化规律；
3
It is believed there may be many different formation mechanisms including ancient magma flows and the collapse of subterranean lava tubes.