دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The overamount of lime be blended in the drill fluid for maintaining the concentration of calcium ion.

n: type of operating agreement that fixes the sharing of costs and benefits for the life of the unit.

n: a fractional interest in minerals that, when conveyed, gives the new owner that fractional interest in the described tract. For example, a one-quarter undivided interest in an 80-acre (32-hectare) tract amounts to a one-quarter interest in the entire 80 acres, or 20 net undivided mineral acres (8 hectares). Compare divided interest.

a well path that rises and falls over its length.

n: The unfoamed slurry be feeded near the casing shoe when use foamed slurry to cement well,which can develop the strength of this area.

n: The cuttings havent touch the water when use oil-base drill fluid when drilling.

n: The test record the stress-strain relation when apply axial load on the rock.

n: product in which spot samples from top, upper, middle, lower, and outlet agree within the precision of the laboratory tests. Similarly, in pipe- line transfers, spot samples taken at 1, 20, 50, 80, and 99 percent of the total volume agree within the precision of the laboratory tests.

n: the geologic principle that the processes that are at work today on the earth are the same as, or very similar to, the processes that affected the earth in the past. The principle was formulated in 1785 by James Hutton, a Scottish geologist. It became an accepted doctrine with the publication in 1830 of English geologist Charles Lyells book Principles of Geology. Also called gradualism. Compare catastrophism. spills, coordinates individual and state efforts to rescue and rehabilitate oiled birds, and administers federal aid programs. Address: MS 634 Arlington Square, 1849 C Street NW;Washington, DC 20240;(703) 358- 1714. United States Geological Survey (USGS)

n: a coupling device that allows pipes to be connected without being rotated. The mating surfaces are pulled together by a flanged, threaded collar on the union.

n: A kind of coupler of pipe,we don’t need to rotate the pipe when connecting ,through its hoop with inner thread to tighten the matching surface then connect the pipe.