دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Small drilling rig for coring.

n: see Hazard Communication Standard

n: 1. a derrick or crane shaped like the letter A and used to handle heavy loads. 2. an A-shaped openwork structure that is the stationary and supporting component of the mast of a jackknife rig and to which the mast is anchored when it is in an upright or drilling position. 3. the uppermost section of a standard derrick, shaped like the letter A and used as a support in lifting objects such as the crown block to the water table.

n: A kind of "A" frame gin pole, used to elevate heavy object.

adv: 1. toward the stem of a ship or mobile offshore drilling rig. 2. behind. 3. farther aft than. See aft.

n: a well not in use because it was a dry hole originally, or because it has ceased to produce. Statutes and regulations in many states require the plugging of abandoned wells to prevent the seepage of oil, gas, or water from one stratum of underlying rock to another.

n: Usually refers to a well which has no valuable oil or gas production or a dry hole. In general, it should be packed by cement plug.

adv: on or in a ship, offshore drilling rig, helicopter, or production platform.

n: a mechanical refrigeration system in which the refrigerant is absorbed by a suitable liquid or solid. The most CODlD1only used refrigerant is ammonia;the most commonly used absorbing medium is water. Compare compressionrefrigeration cycle.

n: Generally The power is supplied by electric power net. The working machine is drived by AC motor. It belongs to the drilling rig which has no self-sustaining ability.

n: A rig drived by DC which is commutated by SCR.

place where personnel spend their off-duty time on a rig.