Abstract: This paper studies the problem of trajectory tracking control for directional drilling in underground coal mine by devising a robust model predictive control method. First, a directional ...

For more than a century, geothermal energy has quietly provided consistent, low-carbon power to parts of the U.S. Immune to weather disruptions and environmentally clean, it offers a stability few ...

Walking into a Lenovo showroom can sometimes feel like I accidentally stepped into a taping of the 1990s sitcom Family Matters. I’m there to see the standard, Carl Winslow-level laptops, the tried and ...

BILLINGS, Mont. (AP) — Republican lawmakers in Congress are clearing the way for President Trump’s plans to expand mining and drilling on public lands by moving to eliminate energy development limits ...

Framber Valdez had a bad outing against the New York Yankees after their offense rocked him. Valdez, who once dominated the Yankees, couldn’t hold things together, handing the team its first loss in ...

The Houston Astros' battery of Framber Valdez and César Salazar were not on the same page during Tuesday night's 7-1 loss to the New York Yankees, leading to a strange moment. In the top of the fifth ...

Pump jacks are seen at dawn in an oil field over the Monterey Shale formation near Lost Hills, California. David McNew TNS Thanks to electric vehicles, demand for oil has been steadily declining in ...

At Altitude Energy Partners, we’ve long understood that the future of energy development depends on continuous innovation in directional drilling technology. As formations become more complex and ...