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.... The accuracy of mud weight estimates, measured periodically from the mud pits at the well site, is affected by three factors:

...d from the suction pit. Excess mud can also be diverted from the metal mud pits into a large, plastic lined reserve pit (29) located to the side of the rig

* mining the oil shales, either underground or in open pits, crushing, and above-ground retorting (the process so far used in all oil-s

| Oil on pits ...wells, all recovered fluids should be sampled, including shows, oil on the pits, DSTs, and formation tests. Drill cuttings and core samples may be solvent

* Oil in the pits, tanks, or mud system * Rig maintenance (lubrication, washing diesel into the mud pits)

...l confined spaces at a wellsite include the rig cellar, mud tanks, and mud pits.

...A]], now identified as the upper Wolfcamp B). That interval put oil in the pits. Again, “all show, no dough"! It was interpreted as an isolated fracture ...rcled red corresponds to the drilling depth that put oil into the drilling pits and had mud-log oil shows. (B) Structure map on top of the Wolfcamp Shale b

...Although exposures are generally limited within the tidal ridges, shallow pits and box cores near the tops of many tidal ridges have large-scale trough [[

^a _{= Mean of two samples collected from soil pits that are utilized by the Tiv tribe;}<br>