![]() Volume requirements for aerated mud drillingĪerated mud drilling has been recognized as having many advantages over conventional mud drilling, such ass higher penetration rate, less formation damage, minimized lost circulation, and lower drilling cost. ![]() Wemore » have studied the chemical form of chromium in drilling muds by using a laboratory XAFS system and a synchrotron facility.« less However it is difficult to determine the chemical state of chromium in drilling muds directly by conventional analytical methods. The chemical states of chromium in muds have been studied carefully due to concerns about the environmental influence. There are hundreds of drilling muds used and some kinds of drilling muds contain chromium. Without the drilling muds, corporations could not drill for oil and gas and we would have hardly any of the fuels and lubricants considered essential for modern industrial civilization. Taguchi, Takeyoshi Yoshii, Mitsuru Shinoda, Kohzoĭrilling muds are made of bentonite and other clays, and/or polymers, mixed with water to the desired viscosity. (2 claims)Ĭhemical Speciation of Chromium in Drilling Muds The key to achieving the desired product is pretreatment of the raw flour and control of moisture. ![]() The product is particularly useful in rotary drilling as an additive to the drilling mud to inhibit water loss. ![]() A drilling mud additive prepared from farinaceous material contains relatively high gluten and fat contents and has between 30 and 40% water soluble solids on a dry basis. ![]()
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