The largest oil and natural gas producer in the EU, the United Kingdom retains proven crude oil reserves of around 4 billion barrels and proven natural gas reserves of some 18.8 Tcf as of 2006. Containing the bulk of domestic reserves and an extensive network of subsea pipelines and infrastructure, the UK Continental Shelf (UKCS) is the most active offshore region for the UK's oil and gas sector, and industry giants Shell, ExxonMobil, Chevron and Total all explore and produce there. The third largest global energy company and headquartered in the UK, BP is operator of such major offshore UK producers as the Foinaven and Forties fields.
Customer Service includes all support provided to users before, during and after the purchase of goods and services. It provides training, advice, or trouble shooting as needed, plays a major role in the satisfaction of customers, and enhances their overall experience. Customer service is important in creating long-term customers, repeat business, and referrals while ensuring professional, helpful, and high quality assistance.