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In the oil industry, mud weight is the density of the drilling fluid and is normally measured in pounds per gallon (lb/gal) (ppg) or pound cubic feet (pcf) . [1] In the field it is measured using a mud scale or mud balance. Mud can weigh up to 22 or 23 ppg. A gallon of water typically weighs 8.33 pounds (or 7.48 ppg).
A Sa of raw grain is 2.3 kilograms according to the Hanbali, Maliki & Shafi'i schools of thought. A Mudd of raw grain is 510 grams according to the Hanbali, Maliki & Shafi'i schools of thought. 2.3 kilograms of grain is about 3 liters, this being the minimum amount of water to perform a valid Ghusl (full body ablution) 60 Sa = 1 Wask
Drilling fluids also support portion of drill-string or casing through buoyancy. Suspend in drilling fluid, buoyed by force equal to weight (or density) of mud, so reducing hook load at derrick. Weight that derrick can support limited by mechanical capacity, increase depth so weight of drill-string and casing increase.
Typical bulk density of bay mud is approximately 1.3 grams per cubic centimetre. Bay muds often have a high organic content, consisting of decayed organisms at lower depths, but may also contain living creatures when they occur at the upper soil layer and become exposed by low tides; then, they are called mudflats , an important ecological zone ...
A mud balance, also known as a mud scale is a device used to measure the density (weight) of drilling fluid, [1] cement [2] or any type of liquid or slurry. Description and operation [ edit ]
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See mud log for an example of the corrected d-exponent plotted on a mud log. The parameter is an extension ("correction", hence the "c" notation) to the d-exponent method previously used for estimating formation pore pressures. The extension consists of a correction for the mud weight in use, compared to "standard" mud for the region.
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