دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

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.

n: According to the characteristic that different substances absorb different light spectrum, it can be used to investigate and survey the molecule structure, kinds and attribution of the organic compounds.

v: To apply acids to the wall of oil and gas wells to remove any material that might obstruct flow into the wellbore.

allowance for funds used during construction.

n: US organisation that sets standards and specifications for ships and ship equipment manufactured in the United States. The organisation also makes inspections during offshore rig construction and conducts periodic surveys to ensure that requirements for classification are maintained. Its official publications are Records of the American Bureau of Shipping and ABS Activity Report. Address: 2 World Trade Centre;106th floor;New York, NY 10048;(212) 839- 5000.

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: a device that secures, or fastens, equipment. In producing wells with sucker rod pumps, a gas anchor is a special section of perforated pipe installed below the pump. It provides a space for gas to break out of the oil. In offshore drilling, floating drilling vessels are often secured over drill sites by large anchors like those used on ships. For pipelines, a device that secures pipe in a ditch.

n: Means of holding the deadline to the derrick or substructure. Usually this is the primary element of the weight indicator

a device with slips that holds equipment in the wellbore.