Oilfield

Oilfield

Oilfield refers to a region with an abundance of oil wells extracting petroleum from below the ground.

Industry: Oil & gas

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Oilfield

Damage

Oil & gas; Oilfield

Natural or induced production impairments that can develop in the reservoir, the near-wellbore area, the perforations, the gravel-pack completion or the production pipelines, such as the tubing. ...

Natural gas, mainly methane and ethane, which has been liquefied at cryogenic temperatures. This process occurs at an extremely low temperature and a pressure near the atmospheric pressure. When a ...

Naturally occurring radioactive materials (NORM)

Oil & gas; Oilfield

Materials typically found in certain types of barium or strontium scales that may be deposited in the wellbore or production tubulars. Any attempt to remove and dispose of NORM materials should be ...

Impressed current anodes

Oil & gas; Oilfield

Materials to provide cathodic protection. Impressed current anodes are relatively inert to corrosion and require an external power source to generate the electric current that will bring cathodic ...

Derivative logs

Oil & gas; Oilfield

Logs that have been calculated from other logs to find the rate at which a log is changing with depth. For example, the derivative calliper (rugosity) calculates the rate at which the calliper is ...

Updip

Oil & gas; Oilfield

Located up the slope of a dipping plane or surface. In a dipping (not flat-lying) hydrocarbon reservoir that contains gas, oil and water, the gas is updip, the gas-oil contact is downdip from the ...

Workover fluid

Oil & gas; Oilfield

A well-control fluid, typically a brine, that is used during workover operations. Since the wellbore is in contact with the reservoir during most workover operations, workover fluids should be clean ...