An enlarged pipe at the top of a casing string that serves as a funnel to guide drilling tools into the top of a well. The bell nipple is usually fitted with a side outlet to permit drilling fluids to flow back to the surface mud treating equipment through another inclined pipe called a flowline.
[pdf] A trip tank is a low-volume, calibrated tank that can be isolated from the remainder of the surface drilling fluid system and used to accurately monitor the amount of fluid going into or coming from the well.
[pdf] Bringing you a prosperous future where energy is clean, abundant, reliable, and affordable 46.3% reduction ($160k/yr!!) in energy usage with the same air compressors, 48.0% reduction in demand, 45.8% improvement in specific power. Wear and tear reduced dramatically. 6.1% pressure reduction.
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