دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: termination of a jurisdictional sale or service. Under Section 7(b) of the Natural Gas Act, the Federal Energy Regulatory Commission must determine in advance that the present or future public convenience and necessity" or depletion of gas supplies requires termination.

n pi: the conditions (pressure, temperature, humidity, etc.) of the medium surrounding the case of a meter, instrument, transducer, etc.

n pi: (slang) certifications of materials on physical and chemistry properties.

certificates, usually on physical or chemical properties (e.g., MSDS Sheets).

n pi: a classification of injection wells under SDWA that are related to oil and gas activity. Typically, these wells are used to dispose of produced waters into depleted oil formations below drinking water sources;to inject produced water from production operations back into the producing zone;to inject fluids for enhanced recovery;and to store hydrocarbons.

n: (CWA) law that regulates the discharge of toxic and nontoxic pollutants into the surface waters of the United States. Under the jurisdiction of both the EPA and the Army Corps of Engineers, CWAs short-term goal is to make surface waters safe for recreation, fishing, and other uses. Its long-term goal is to eliminate all harmful discharges into surface waters.

n: in contract law, the interpretation given by a court of competent jurisdiction . for example, an interpretation of a possibly ambiguous instrument or statute.

compensated spectral density log.

n: The fluid uesd to force cement slurry or some other material into its intended position (e.g. drilling mud may be used to displace cement out of the casing and into the annulus).

n: seamless steel or aluminum pipe made up in the drill stem between the kelly or top drive on the surface and the drill collars on the bottom. During drilling, it is usually rotated while drilling fluid is circulated through it. Joints of pipe about 30 feet long are coupled together by means of tool joints.

n: A heavy seamless pipe uesd to rotate the bit and circulate the drilling fluid. Lengths of drill pipe 30 ft long are coupled together with tool joints to make the drill string.

a heavy wall tubing used for drilling.