• All
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z
  • E-log

    logs run on a wireline into the borehole. Originally 'Electric' Log but now refers to all such logs (eg. Neutron, sonic, etc).

    Edge water

    water underlying and/or marginal to an oil or gas reservoir.

    Enhanced oil recovery (EOR)

    a process whereby oil is recovered other than by the natural pressure in the reservoir; see secondary recovery, tertiary recovery.

    Equity crude

    the proportion of crude oil to which a producing company is entitled as a result of its financial contribution to a project.


    the saturated hydrocarbon (alkane) with two carbon atoms in its molecule (C2H6); the second member of the paraffin series -a gas under normal conditions.

    Ethene (ethylene)

    the simplest member of the alkene series, containing two carbon atoms connected by a double (unsaturated) bond (C2H4); an important raw material in the chemical and plastics industries

    Exploration Drilling

    drilled to find and produce oil or gas reserves not classified as proved, to find a new reservoir in a field previously found to be productive of oil or gas in another reservoir or to extend a known reservoir

    Exploration licence

    a licence to explore for oil or gas in a particular area issued to a company by a governing state.

    Exploration phase

    the phase of operations in which a company searches for oil and gas by carrying out detailed geological and geophysical surveys followed up where appropriate by exploratory drilling.

    Exploration rig

    a structure used to carry the equipment needed for exploratory drilling; see jack-up, semi-submersible and drill ship.

    A global information service for upstream oil and gas opportunities - divestitures, farmins and farmouts and licensing rounds.

    Subscriber Only Deals

    Current Deals

    Current Upstream Deals: 234

    Completed Deals

    Completed Upstream Deals: 6571

    Company Profiles

    Current Company Profiles: 2912

    Corporate Activity

    Current Corporate Activity articles: 4149

    Companies Looking

    Current number of articles: 466

    Company Sales

    Current Company Sales articles:1658


    Current Geostudies articles: 968

    How to subscribe

    energy-pedia Jobs

    RSS Feed Widget
    See all jobs...

    energy-pedia Databank

    The energy-pedia databank contains links to information on the world financial and energy markets, including share prices, oil and gas prices and the global stock exchanges. Read more...

    energy-pedia Glossary

    A list of commonly used terms in the oil and gas industry. Read more...


    Subscribe to the FREE
    energy-pedia Daily Newsletter

    Government of South Australia
    Rose & Assocs
    Union Jack Oil 149
    Telos NRG
    About energy-pedia

    energy-pedia news is a FREE news service written and edited by E and P professionals for E and P professionals.

    We don't just report the news, we give you the technical background as well, with additional information derived from our unique energy-pedia opportunities service.
    Contact us

    energy365 Ltd

    238 High Street
    London Colney
    St Albans

    Tel: +44(0)1727 822675