دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (RSPA) a DOT agency that oversees the Office of Pipeline Safety, intermodal containers, highway portable tanks, railroad cars, and anything used in interstate or international commerce not regulated by the coast guard. Under OPA, RSPA has authority over onshore oil and hazardous materials pipelines that are used in interstate commerce. Address: 400 7th Street SW;Washington, DC 20590;(202) 366-4433.

n: parent group of the Society of Petroleum Engineers (SPE). See Society of Petroleum Engineer. Its official publication is the Journal of Petroleum Technology. Address: 345 East 47th Street;New York, NY 10017;(212) 705-7695.

n: serves as clearinghouse for nationally coordinated voluntary standards for fields ranging from information technology to building construction. Address: 11 W. 42nd Street, 13th floor;New York, NY 10036;(212) 642-4900.

n: oil trade organisation (founded in 1920) that is the leading standardising organisation for oilfield drilling and producing equipment. It maintains departments of transportation, refining, marketing, and production in Washington, DC. It offers publications regarding standards, recommended practices, and bulletins. Address: 1220 L Street NW;Washington, DC 20005;(202) 682-8000.

n: organisation whose equipment standards are sometimes used by the oil industry. Its official publication is Mechanical Engineering. Address: 345 East 47th Street;New York, NY 10017;(212) 705-7788;fax (212) 705-7856.

the valve on the side of the tree that controls access to the annulus.

n: a nipple or restriction placed in a line (a pipe) to reduce the rate of flow of fluid through the line. Beans are frequently placed in Christmas trees to regulate the flow of fluids corning out of the well. Also called a flow bean. See Christmas tree.

a flow restriction common in downhole chokes, surface chokes and some SSSVs.

any portion of the wellhead or tree that contains wellbore pressure.

n: a device used in the flow cross of the Christmas tree as a thread protector while the rods are being run. Because it is brass, it prevents friction sparks.

n: A heavy flanged connection that is installed on top of a casing string. Once it is installed, it provides a housing for the next casing string, which is suspended from it. Also called a spool.

a term that applies to the wellhead flange that forms the transition between pipe and the flange-build tree. It may be attached by threads, welding, pressure forming or lock-ring/screw devices.