Brad -- A well will be drilled down to reservoir depth gradually building angle to roughly 80-90 degrees with a bent housing mud motor, usually around 1 1/2 degree of bend,a mud motor is a tool with a stator inside that works similar to a hydraulic motor, when fluid is pumped through the mud motor at high pressure and volume the stator turns the bit. After reaching the horozontal point normally a more advanced mud motor that can be surface contolled or steered by a computer is used. In 99% of the wells the same drill pipe is used that would be used in a straight hole, the pipe its self is very limber in long sections and can be pushed with no problem. Basically, the drill string components that are normally used right above the bit for drilling weight when drilling a straight hole are moved up in the vertical section to push the lower limber section when drilling horozontal.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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