Converting a drilled well to a condition that can be left indefinitely without further attention and will not damage freshwater supplies, potential petroleum reservoirs or the environment.

In the case of natural gas, the basis differential is the cost of moving gas from one location to another.

The process by which a well is prepared to produce oil and gas, involving such steps as running and perforating the casing.

Natural gas from the well that is free of liquid hydrocarbons, or gas that has been treated to remove all liquids; pipeline gas.

The surface area above one or more underground petroleum pools sharing the same or related infrastructure.

The costs to find and develop a barrel of oil equivalent, expressed in dollars per boe.

The practice of pumping special fluids down the well under high pressure; fracturing causes the formation to crack open, creating passages for the reservoir fluids to flow more easily into the wellbor [..]

Wells drilled between established producing wells on a lease in order to increase production from the reservoir.

A cooperative agreement between two or more companies for a specific project or business venture, usually with one company acting as operator. All involved companies share in the costs and profits of [..]

In the petroleum industry, "land" often refers to the oil and gas rights on a particular area of land. For example, in a "land sale", the oil and/or gas rights are "sold" [..]