دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a natural gas mixture essentially of methane and ethane. 2. natural gas after it has been processed and almost all hydrocarbons other than methane and some ethane removed.

n: plant residue gas delivered back to the producer for use in lease operations.

n: provision in many casinghead gas purchase contracts that provides that all of the sellers properties covered by the contract will be treated as a single property in determining whether the producer has taken more residue gas for use in operations than the quantity to which he or she is entitled.

a sand that has been run through sieves a second time to remove fines and course particles.

n: a semisolid or solid complex, amorphous mixture of organic compounds having no definite melting point or tendency to crystallize. Resins may be a component of compounded materials that can be added to drilling fluids to impart special properties to the fluid.

a cyclic material that, along with maltenes, helps keep asphaltenes tied up a micelles in suspension.

one of several plastic compositions.

n: an oilwell cement that is composed of resins, water, and portland cement and that provides an improved cement bond. It is mainly used in remedial operations, because its high cost prohibits its use for routine cementing of casing.

n: a kind of cement made up by synthetic resin and cement ,and the cake of this cement being able to prevent the cement slurry seeping into the deep formation to protect the oil or gas layer

using an injected plastic to increase the grain-to-grain bond strength in the formation.

n: opposition to the flow of direct current caused by a particular material or device. Resistance is equal to the voltage drop across the circuit divided by the current through the circuit.