Dave Cramer is a Senior Engineering Fellow with the ConocoPhillips Global Wells Completions Engineering staff in Houston. He has over 39 years of experience in designing, executing and evaluating well stimulation treatments. Dave has authored 44 papers and delivered over 175 technical-society presentations on well completion and performance topics, and is a co-inventor of 2 U.S. patents. Industry recognitions include the Henry Mattson Technical Achievement Award by the Denver SPE chapter in 1993 and the SPE International Completions Optimization and Technologies Award in 2011. He was an SPE Distinguished Lecturer in 2003-2004 and the SPE Region Director for the U.S. and Canada Rocky Mountain region in 2004-2007. Dave is a registered Professional Engineer in the state of Colorado.