With increasing depth, geothermal energy offers an almost inexhaustible potential for renewable energy. The drilling costs however, rise exponentially with depth in the case of conventional rotary ...

Last week, a group of 40 journalists from 13 countries witnessed Liebherr Construction Equipment’s new LB 44-510 rotary drilling rigs in action on a high-level research project in Darmstadt, Germany.

Operating companies continually seek new technologies to drill laterals and extended reach wells further, more efficiently and at lower cost. Even with higher oil and gas prices, the challenge to ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

This is the metadata section. Skip to content viewer section. In this paper, the process of crack propagation is investigated using the extended finite element method at the mesoscale to study the ...

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 ...