Non-hydraulic fracturing, also known as dry fracturing, is a method for extracting oil that does not rely on the use of water in the drilling process.

Hydraulic fracturing is a well-stimulation technique commonly used in low-permeability rocks like tight sandstone, shale, and some coal beds to increase oil and/or gas flow to a well from ...

A hydraulic system uses pressurised fluid to multiply the pilot’s force by several times and then transfers the “magnified force’ to actuators, which move the control surfaces.

A Southwest spokeswoman issued a statement saying that the airline had informed the Federal Aviation Administration of the issue at 5 p.m. on Tuesday. "Southwest Airlines discovered an overdue ...