Natural Gas Drilling

Until recently, shale gas reserves were uneconomic to produce. Today, natural gas in shale formations can be accessed via horizontal drilling. Horizontal drilling utilizes a flexible drilling pipe that starts vertically, but is gradually angled to run horizontally through the shale formation.

Horizontal drilling offers several efficiencies. Extending upwards of two kilometers in length, horizontal wells expose the wellbore to a larger part of the reservoir. In addition, land disturbance is decreased because multiple wells can be drilled from a  single pad. Conversely, vertical wells require a separate site for each wellbore.