Directional drilling is the controlled deviation of a wellbore from vertical to a planned three-dimensional trajectory (inclination and azimuth) to place the well precisely in the subsurface. This ...

Learn about drilling mud, also known as drilling fluid, which facilitates borehole drilling for oil, gas, and sampling by ...

Monte Markley, a geologist who lives on a farm near Wichita, Kansas, describes his job as “putting things underground and keeping them there.” As an environmental consultant, he specializes in ...

The geology and science behind oil drilling can be quite interesting and important for understanding which companies are the right fit for your investment. When people talk about oil drilling, many of ...