The turbine-engine repair and refurbishing business is growing because of ground-based and aerospace turbines in need of regular maintenance. The airline industry might be in the dumps. But the ...

Compared to conventional vertical wells, complications from formation pore pressure, borehole stability, hole cleaning, drillstring torque and drag, and other parameters create serious challenges for ...

A slide and compound drilling model calculates build-up rate (BUR) of a single bent-angle motor assembly using a physical model and genetic-algorithm back propagation (GA-BP) regression analysis. A ...

Drilling through stainless steel is no easy task, but it is possible, especially if you have the right type of drill bits on ...

The United States produces more oil and gas than any other country. Domestic production is increasing in some areas and decreasing in others, but new limits on parts of the drilling process could cut ...

PITTSBURGH (AP) — More than 100 protests against the natural gas drilling process known as fracking are scheduled to take place around the world on Saturday, building on public concerns but also using ...