subsurface formation造句

Some ancient analogs include immediate subsurface formations such as the Permian Khuff, Jurassic Arab and Hith anhydrite, and Tertiary sedimentary rocks.
At issue were seismic surveys that blast compressed air at the sea floor and record sound waves that reflect off subsurface formations, producing a picture of possible oil-bearing areas.
If a higher pressured natural fracture system is encountered, the rapid rate at which formation fluid can flow into the wellbore can cause the situation to rapidly escalate into a blowout, either at surface or in a higher subsurface formation.
It's difficult to find subsurface formation in a sentence. 用subsurface formation造句挺难的