دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the US Department of the Interior, Minerals Management Service rules and regulations that must be followed by those who drill and produce oil and gas wells located in the Outer Continental Shelf.

n: English system buttress thread whose top angle is 29°. Mainly used to convey dynamic.

n: a force of attraction that causes molecules of one substance to cling to those of a different substance.

n: The force which holds together unlike molecules.

attractive forces between unlike molecules or compounds. Example – the attractive forces between water molecules and the walls of a clean glass tube are stronger than the cohesive forces;this leads to an upward turned contact or meniscus at the wall.

n: A rig whose every clutch and drawworks brakestaff are controled by compressive air. Usually assisted with hydraulic brake and dynamic brake.

n: The nipple whose whole length is lathed with thread.

n: (A C) current in which the charge-flow periodically reverses and whose average value is zero. Compare direct current.

n: The current whose intensity and direction alter periodically with time.

n: a national trade association whose members are US and Canadian distributors of natural, manufactured, and mixed gases. AGA provides information on sales, finances, utilisation, and all phases of gas transmission and distribution. Its official publications are AGA Monthly and Operating Section Proceedings. Address: 1515 Wilson Boulevard;Arlington, VA 22209;(703) 841-8400;fax (703) 841- 8406.

n: Established in 1880. Now it becomes the international nonprofit educational and technical organization whose members are over 125,000.

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.

a surfactant whose charge is dependent on another variable, normally pH.