Northside: Considerations in Using the Limited Entry Technique in Massive Hydraulic Fracturing Treatments

Speaker: Dave Cramer
Speaker Dave Cramer
Dave Cramer is a Senior Engineering Fellow with ConocoPhillips on the ConocoPhillips Global Completions Engineering staff in Houston, TX.  He has 37 years of experience in designing, executing and evaluating well stimulation treatments.  Dave has authored 45 papers and is co-inventor of 2 U.S. patents.  Industry recognitions include the Henry ...

Dave Cramer is a Senior Engineering Fellow with ConocoPhillips on the ConocoPhillips Global Completions Engineering staff in Houston, TX.  He has 37 years of experience in designing, executing and evaluating well stimulation treatments.  Dave has authored 45 papers and is 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 from 2003-2004 and the SPE Region Director for the U.S. and Canada Rocky Mountain region from 2004-2007.  Dave is a registered Professional Engineer in Colorado.

Full Description

Limited entry is the process of limiting the number or reducing the entry-hole diameter of perforations in such a way that significant perforation friction pressure is achieved during the treatment.  Perforation friction establishes a backpressure in the wellbore that tends to allocate flow among the multiple perforation intervals/clusters, thus improving control of the hydraulic fracturing process. In horizontal wells, limited entry is often used in conjunction with the Plug-and-Perf process and is one of the most economical processes available to stimulate wells completed in unconventional reservoirs.  To implement effective limited entry treatments, it is important to understand the mechanisms impacting pressure drop across perforations and use that knowledge to take appropriate precautions when designing and implementing the treatment.  This includes identifying or predicting variations in mechanical rock properties such as stress within the reservoir.   

This presentation introduces critical considerations in executing limited entry treatments and develops key concepts through the use of case studies.  

Organizer Kelsey Ridpath

Kelsey_Ridpath@swn.com


Work: 832-796-7645

When?

Tue, Apr. 14, 2015
11:30 a.m. - 1 p.m. US/Central

How Much?

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Where?

Greenspoint Club
16925 Northchase Dr
Houston, Texas 77060
United States

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