دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A kind of usual anti-froth of drilling fluid.

n: an aluminum salt of stearic acid used as a defoamer. See stearate.

a mud degasser chemical.

(failure/crack development): characteristic markings (ridges, tears, risers, etc.) on fracture surfaces after fatigue crack of fracture propagation (also known as beach marks, clamshell marks, and conchoidal marks).

characteristic markings (ridges, tears, risers, etc.) on fracture surfaces after fatigue crack of fracture propagation (also known as clamshell marks, conchoidal marks and arrest marks).

a surface deterioration caused by gas trying to escape too rapidly from a elastomer and tearing the surface of the material.

characteristic markings (ridges, tears, risers, etc.) on fracture surfaces after fatigue crack of fracture propagation (also known as beach marks, conchoidal marks and arrest marks).

characteristic markings (ridges, tears, risers, etc.) on fracture surfaces after fatigue crack of fracture propagation (also known as beach marks, clamshell marks and arrest marks).

n: 1. decrease in value of an asset such as a plant or equipment due to normal wear or passing of time;real property (land) does not depreciate. 2. an annual reduction of income reflecting the loss in useful value of capitalized investments by reason of wear and tear. The concept of depreciation recognizes that the purchase of an asset other than land will benefit several accounting cycles (periods) and should be expensed periodically over its useful life.

adj: the result of the sticking or adhesion of two mating surfaces of metal. not protected by a film of lubricant. and tearing due to lateral displacement.

thread damage from lack of lubrication or mismatched metals.

n: in thecondition of blowout and making a fire,the assembly on the hole head is disrupted, the people must tear down the original and fix the new rapidly.