References

Web online sources and references that have been used in compiling this document:

• Schlumberger Oilfield Glossary

http://www.glossary.oilfield.slb.com/

• Statoil, Fact sheet Njord

http://www.statoil.com/en/OurOperations/ExplorationProd/ncs/njord/Pages/default.aspx

• International Energy Agency (IEA) -Key World Energy Statistics 2012

http://www.iea.org/publications/freepublications/publication/name,31287,en.html

• Wikipedia

http://en.wikipedia.org/wiki/Main_Page

• Oklahoma State, Marginal Well Commission, Pumper's Manual

http://www.marginalwells.com/MWC/pumper_manual.htm (Discontinued)

• Natural Gas Supply Association. See Natural Gas - From Wellhead to Burner Tip

 http://www.naturalgas.org/naturalgas/naturalgas.asp

• US geological survey:

http://www.usgs.gov/

• US Department of Energy:

http://www.doe.gov/

• NORSOK Standards, Standards Norway (SN),

http://www.standard.no/en/sectors/Petroleum/

• UK Offshore Operators Association (UKOOA) – For Students

http://www.oilandgas.org.uk/education/students/intro.cfm

• National Biodiesel Board

http://www.biodiesel.org/

• PBS – Public Broadcasting Service - Extreme Oil

http://www.pbs.org/wnet/extremeoil/index.html

• The Story of Oil in Pennsylvania

http://www.priweb.org/ed/pgws/history/pennsylvania/pennsylvania.html

• Air Liquide Gas Encyclopedia

http://encyclopedia.airliquide.com/encyclopedia.asp