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Special reports

 
 
 
 
 
 
 
 

2014 in review

BP has said that global primary energy consumption decelerated sharply last year, even thought global economic growth was similar to 2013.

 
 
 
 

The importance of picking a proppant

Mark G. Mack, PhD, Oxane Materials, Inc., reviews the importance of proppant selection for shale reservoirs and looks at the keys to optimising conductivity, proppant transport and cost.