دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a reef or mound built by small organisms and their remains, such as coral, plankton, and oysters. Originally a waveresistant coral structure served as an anchor for calcareous debris that formed limestone. It was tectonically submerged, or the sea level rose faster than the corals could build it, and it was eventually buried beneath marine shales. A bioherm is often porous enough to hold large accumulations of hydrocarbons, especially if it has been dolomitized. A bioherm is a stratigraphic trap.

n: a chemical combination of calcium, magnesium, carbon, and oxygen, CaMgCO3. It is the main constituent of dolomite. Compare calcium carbonate.

n: 1. a salt of carbonic acid. 2. a compound containing the carbonate radical (CO3) 3. a carbonate rock.

n: The different carbonate of alkaline earth element.

any of the many rocks composed of calcium carbonate (limestone) or magnesium carbonate (dolomite) or other acid soluble rocks with a common CO3-2 ionic charge. The pores may be poorly connected and matrix permeability (non fractures) are often much lower

n: a sedimentary rock composed primarily of calcium carbonate (calcite) or calcium magnesium carbonate (dolomite).

n: A kind of sedimentary rock whose content of carbonate is over 50%. Mainly consisted of calcite, dolomite and ankerite.

abbr: dolomite;used in drilling reports.

n: a type of sedimentary rock similar to limestone but containing more than 50 percent magnesium carbonate;sometimes a reservoir rock for petroleum.

n: A kind of natural compound whose can be expressed by CaCO3.MgCO3


calcium/magnesium carbonate rock. Dolomite is formed by chemical modification of a limestone.

crystals of dolomite in the pore space. May turn loose when acidized and become migrating fines.

n: the shrinking of the solid volume of rock as limestone turns to dolomite, i.e., the conversion of limestone to dolomite rock by replacement of a portion of the calcium carbonate with magnesium carbonate.

n: rock composed of dolomite.

n: classify formation by ingredients and characters,such as
sandstone,shale, limestone and dolomite rock and so on.