دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a cash payment by the lessee for the execution of an oil and gas lease by the mineral owner;expressed as dollars per acre. Occasionally, an oil payment or overriding royalty may be reserved as a bonus by a lessor in addition to regular royalty.

n: a contract providing for the payment of money or other considerations upon the completion of a well to a specified depth.

n: A contract that payment when well completion if this well is drilled to the authorized depth.

n: a promise or an act of legal value bargained for and received in return for a promise;an essential element of a contract. In oil and gas leases, consideration may be payment in money or in kind;it must often be .serious. consideration. Compare bonus consideration.

n: the pressure at a given temperature for a hydrocarbon system of fixed composition at which the vapourliquid equilibrium values of the various components in the system become or tend to become unified. The convergence pressure is used to adjust vapour-liquid equilibrium values to the particular system under consideration. conversion n: the change in the chemistry of a mud from one type to another. Reasons for making a conversion may be (1) to maintain a stable well bore, (2) to provide a mud that will tolerate higher weight, or density, (3) to drill soluble formations, or (4) to protect producing zones. Also called a breakover.

n: a plan required by the MMS before development and production can take place in the OCS. The MMS approves or disapproves the plan based on environmental, technical, and economic considerations.

n: a kind of method to evaluate the permitted fishing days with economic considerations when fish the junk which is hard to fish

n: consideration of loss of hydraulic power,the pumps pressure ratio of its valid and invert.

a constant heat loss/gain applied to a calculation and a temperature or pressure can be adjusted to meet this new heat content (around fluid equilibrium considerations).

n: usually, the cash consideration that is paid by the lessee for the execution of an oil and gas lease by a landowner. It is usually based on a per acre basis.

n: (LAER) an air emission standard determined by the states on a case-by-case basis. LAER is applied in nonattainment areas, which do not meet NAAQS, and is more stringent than the BACT applied in attainment areas. Consequently, cost and economic impact are not taken into consideration in determining LAER.