Effective permeability is the ability to preferentially flow or transmit a particular fluid through a rock when other immiscible fluids are present in the reservoir (for example, effective permeability of gas in a gas-water reservoir).
In a dual poroperm reservoir, fluids exist in two interconnected systems: the porous rock (called the matrix) and the highly permeable fractures in the rock. The bulk of the oil in such fields is held in the rock matrix which is of relatively low permeability compared to the fracture network. Successful production from dual poroperm reservoirs depends on the accurate siting of wells and careful control of production rates.
The drilling contractor is the company that owns and operates the rig. Some of the larger companies include Schlumberger, Halliburton, Transocean, Noble Corp, Pride International, Diamond Offshore Drilling, Norway’s SeaDrill.
Similar to farmin agreement but differs only in the timing of a governmental approval, which is given only when license work obligations are complete. Mostly undertaken in the UK, where the Department of Trade and Industry maintains that since licensees in the UK bid for licenses in the rounds by offering work programs rather than cash, they ought to see those programs completed before using the licenses as part of their asset portfolio for trading purposes
A well that has not encountered hydrocarbons that can be extracted economically and has thus been abandoned
A licensee has the obligation to commence petroleum exploration activities within a certain period, in Israel it is within four months from the day on which the exploration license is granted
The Neptune, Mercury, Minerva, Apollo, Wollaston and Whittle gas fields in the southern North Sea are collectively referred to as the ECA
Vessel equipped with a heavy-lift crane, capable of holding a precise position through the use of thrusters, thereby counteracting the force of the wind, sea, current, etc.
Drilling which does not lead to a discovery of oil or gas that can be produced commercially
