Easy question here............................

label Physics
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schedule 1 Day
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Explain briefly about the various forces acting in drill string used in oil rigs during operation and how it is related to deformation

May 6th, 2015

It is almost certain that problems will occur while drilling a well, even in very carefully planned wells. For example, in areas in which similar drilling practices are used, hole problems may have been reported where no such problems existed previously because formations are nonhomogeneous. Therefore, two wells near each other may have totally different geological conditions. 

In well planning, the key to achieving objectives successfully is to design drilling programs on the basis of anticipation of potential hole problems rather than on caution and containment. Drilling problems can be very costly. The most prevalent drilling problems include pipe sticking, lost circulation, hole deviation, pipe failures, borehole instability, mud contamination, formation damage, hole cleaning, H2S-bearing formation and shallow gas, and equipment and personnel-related problems. 

Understanding and anticipating drilling problems, understanding their causes, and planning solutions are necessary for overall-well-cost control and for successfully reaching the target zone. 

May 6th, 2015

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May 6th, 2015
Oct 22nd, 2017
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