A porous marine limestone composed of fine-grained remains of microorganisms. A good example are the White Cliffs of Dover in the UK or the Austin Chalk of the US Gulf coast which is a rich fractured oil reservoir where widespread horizontal drilling activity took place
The Ministry of National Infrastructure and the PUA decided in August 2009 to promote an experimental program to reduce electricity consumption during peak hours. The program is for time of use consumers. According to the program, consumers must reduce their consumption by 20% during peak hours compared to their consumption during the same time the previous year in order to join and in return will only pay 90% of the tariff
A measure of the detonation of diesel fuel. Cetane ignites very easily under compression; for this reason, it is assigned a cetane number of 100, and serves as a reference for other fuel mixtures.
Reductions of greenhouse gases achieved by a Clean Development Mechanism (CDM) project. A CER can be sold or counted toward Annex I countries’ emissions commitments. Reductions must be additional to any that would otherwise occur. CERs are verified and authenticated units of greenhouse gas reductions from abatement or sequestration projects which are certified by the Clean Development Mechanism.
A pump with an impeller or rotor, an impeller shaft, and a casing, which discharges fluid by centrifugal force. An electric submersible pump is a centrifugal pump
Centrica was formed in February 1997 following a demerger from British Gas plc. The new company comprised the gas supply, services and retail businesses of British Gas, together with the gas production business of the North and South Morecambe gas fields.
Since the privatization of the UK national gas business in the 1980s (into UK retail [Centrica]; Gas transportation [Transco, subsequently acquired by National Grid] and International oil and gas production [BG Group] Centrica has since grown into a Vertically Integrated gas and power business with operations in the UK and North America. Centrica generated gas and power from its own resources and sells energy to end customers. Centrica no longer has any direct involvement in the transportation of natural gas, or the construction of distribution networks
