دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

HAZ, the metal adjacent to a weld or other heated area that has been altered by the heating.

the horizontal displacement (travel) of a fault.

n: the partial or complete collapse of the walls of a hole resulting from internal pressures due primarily to swelling from hydration or formation gas pressures. See caving.

n: the partial or complete collapse of the walls of a hole resulting from internal pressure due primarily to swelling from hydration or formation gas pressure. See also sloughing.

partial or full collapse of the wellbore by particles of shale.

n: a kind of nature Fe2O3 mine with a relative density of 4.9-5.3 and easy to acidify ,usually used as adulterant of drilling fluid which is used in drilling the high pressure formation

a natural deposit of iron oxide.

n: refer tohigh-filter-loss inverted emulsion mud

n: a kind of invert oil mud whose filter loss is 8-12ml under high temperature and pressure and whose content of liquid phase and colloid is low

n: a component in HPHT filter press,used to store high-temperature filter and prvente the filter being evaporated

adj: having high salt content. high vapour pressure liquid n: a liquid that, at the measurement or proving temperature of the meter, has a vapour pressure that is equal to or higher than atmospheric pressure. Compare low vapour pressure liquid.

n: a kind of sealing slurry with high solid content and high filter loss,made from inactive substance and bentonite and when injected into the leaking layer the solid will dehydrate at once so as to pack the leaking formation