1 Largest natural gas producers worldwide based on production output in Q2 2016 (in billion cubic feet per day)*Global natural gas largest producing companies 2016. 2  2017 ranking of the leading global oil and gas companies based on revenue (in billion U.S. dollars)2017 global list of the top oil and gas companies based on revenue.
Operational Definition â A definition in terms of the operations used to produce and measure a phenomenon. It is important to define a behavior in clear and concise terms so that it can be accurately measured, assessed and treated by a number of individuals across a variety of environments.perational Definition â A definition in terms of the operations used to produce and measure a phenomenon. It is important to define a behavior in clear and concise terms so that it can be accurately measured, assessed and treated by a number of individuals across a variety of environments.
Operational definition. From Wikipedia, the free encyclopedia. An operational definition is a result of the process of operationalization and is used to define something (e.g. a variable, term, or object) in terms of a process (or set of validation tests) needed to determine its existence, duration, and quantity.ince the degree of operationalization can vary itself, it can result in a more or less operational definition. The procedures included in definitions should be repeatable by anyone or at least by peers.