دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (ADS) a oneperson atmospheric suit rated to depths of 2,300 feet (701 metres). Advantages include allowing the operator to work in a safe environment for debris salvage or recovery operations.

n: an estimate of costs prepared by a lease operator and sent to each non operator with a working interest for approval before work is under taken. Normally used in connection with well-drilling operations.

n: A document signed by management that authorizes funds to be spent against an approved budget.

n: a system in which certain instruments are used to control or to maintain the operating conditions of a process. If conditions become abnormal, this system automatically stops the process and notifies the operator of the problem.

adj: in cementing operations, pertaining to a cement plug that comes to rest on the float collar. A cementing operator may say, Ive a bumped plug" when the plug strikes the float collar.

n: (CAODC) a trade association that represents virtually 100% of the rotary drilling contractors and the majority of well service rig operators in western Canada. The relations, and other matters of interest to members. Address: 540 5th Avenue SW, Suite 800;Calgary, Alberta, Canada T2P OM2;(403) 264-4311;fax (403) 263-3796.

n: A commercial association. Its headquarters is located at Calgary, Albert, Canada. This association practically stands for rotary drilling contractors and oil well operator in the west of Canada.

n: 1. the depth in a well at which casing is set, generally the depth at which the casing shoe rests.2. the objective depth in a drilling contract, either a specified depth or the depth at which a specific zone is penetrated. When the depth is reached, the operator makes a decision with respect to running and setting a production string of casing. Under some farm- out and letter agreements, some owners are carried to casing point.

n: The depth of casing shoe in the wellbore.

the depth at which a casing string is set, either by design or because the mud can no longer control the pressure of the next deeper zone without adding weighting agents that would break down upper intervals.

n: a panel or board on the rig floor, usually near the drillers position, that allows a person to remotely adjust the size of the opening of a choke installed in the choke manifold. By adjusting the chokes opening, the operator can increase or decrease the amount of back-pressure being held on the well by the choke. Usually, the panel also has pressure gauges and other instruments to help the operator control the well.

n: an amount of oil and gas production large enough to enable the operator to realise a profit, however small. To keep the lease in force, production must be in quantities sufficient to yield a return in excess of operating costs, even though drilling and equipment costs may never be recovered.

n: see company representative.

n: An employee of an operating company whose job is to represent the operators interests on the drilling rig (sometimes referred to as drilling supervisor or company toolpusher).