دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

abbr: Federal Oil and Gas Royalty Management Act of 1982.

the side of the fault that protrudes underneath the upper formation.

n: the rock surface forming the underside of a fault when the fault plane is not vertical-that is, if the dip is less than 90�.Compare hanging wall.

n: pooling of leased tracts undertaken without the willing cooperation of all the parties. Forced pooling may occur as the result of an order from a state regulatory agency, or an order sought by one or more of the parties affected.

n: a depositional layer on the steep seaward face of a marine delta that lies beyond the topset beds and is composed of finer sedimentary materials than the topset beds.

n: a service under the Department of Agriculture that has three major program areas: national forest administration. state and private forestry, and research. The Forest Service manages 154 national forests and 19 national grasslands, comprising 188 million acres (75.2 million hectares) in 41 states and Puerto Rico. Address: 201 14th Street SW;Washington. DC 20250;(202) 205-1760.

n: a special drilling fluid that contains a salt or an ester of formic acid (formate),which is chemically combined with another element such as potassium or cesium. Formate fluids are very stable at high temperatures and can be made very dense (heavy) without adding weighting materials such as barite. Formate fluids are used as completion fluids because they minimise formation damage. See completion fluid, formation damage.

n: a bed or deposit composed throughout of substantially the same kind of rock;often a lithologic unit. Each formation is given a name, frequently as a result of the study of the formation outcrop at the surface and sometimes based on fossils found in the formation.

n: a bed or deposit composed throughout of substantially the same kind of rock and forming a lithologic unit.

any distinct, mapable layer.

n: the sticking that because the property of drill fluid is not good, causing layer is became slack because of too much filter loss,or the argillutite swelled because of the hole section which angle of bedding are too large stripping into the well.