| http://www.w3.org/ns/prov#value | - Additionally, it is occasionally advantageous to segregate and recover dissolved well gases.Presently, there are a number of known methods used to attempt to separate the valuable portions of drilling fluid circulated out of a well from the undesirable drilled solids such as clay, sand, siliceous material, and other fragmented portionsof the subterranean structure being drilled through.
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