The whipstock is an old directional drilling tool that is used today primarily to perform well sidetracking out of the casing. Whipstocks and jetting techniques
Category: Directional Drilling
Geosteering is defined as “the drilling of a horizontal or other deviated well, where decisions on well path adjustment are made based on real-time geologic
Non-magnetic drill collar is made from specially treated steel alloys so that it does not affect magnetic surveying instruments. Their purpose is to isolate directional
In general, the neutral point can be defined as the point in the drill string where there is a change from tension to compression in
Pre-job Requirements Pre-job Requirements An operating company wishing to use a Measurement While Drilling system must first decide: Where several different tools meet all the
All MWD sensors used in the downhole tool must be rugged enough to withstand the harsh environment. Only one of the systems currently available has
All the Measurement While Drilling MWD systems commercially available is based on some form of mud pulse telemetry. Although several different companies in oil and
So far we have discussed directional drilling wells & horizontal wells (check also horizontal directional drilling calculations) in previous articles. This knowledge can be extended
Dogleg severity is a measure of the amount of change in the inclination, and/or azimuth of a borehole usually expressed in degrees per 100 feet
Planning & calculating a horizontal wellbore is different from planning normal directional drilling well for oil and gas. In a normal directional wellbore, the target
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