Drilling: Little Things Have Big Effects - Drilling Vibrations – From Source to Remediation

Speaker Graham Mensa-Wilmot
Graham Mensa-Wilmot is a Sr. Advisor, Drilling Engineering in Chevron's Energy Technology Company. Graham is the MAXDRILL (Performance Drilling) project leader.  He has more than 28yrs experience in drilling applications research, downhole tool development, drilling vibrations identification and remediation, drilling dynamics, and drilling performance improvement.  He has authored 41 technical ...

Graham Mensa-Wilmot is a Sr. Advisor, Drilling Engineering in Chevron's Energy Technology Company. Graham is the MAXDRILL (Performance Drilling) project leader.  He has more than 28yrs experience in drilling applications research, downhole tool development, drilling vibrations identification and remediation, drilling dynamics, and drilling performance improvement.  He has authored 41 technical papers and also holds 26 patents on same disciplines.


Graham is a recognized industry leader on performance drilling, and serves on the SPE/IADC Drilling Conference Program Committee, and the SPE Drilling and Completions technical review committee.  He previously served on the JPT Editorial committee, and was also a distinguished lecturer for the Petroleum Network Educational Courses series.  He holds an MS degree in Drilling Engineering from Romanian's University of Petroleum and Gas in Ploiesti. 

Full Description

Drilling vibrations continue to have drastic negative effects on operational success and project costs.  In all instances, and as a requirement to facilitate development of appropriate solutions, sources of vibrations must always be identified.  Vibrations mode identification, while important, has less significance in comparison to vibrations source identification.  Source identification improves efficiency of remediation strategies.   

The discussion will show why severe vibrations, which could not be resolved with the known remediation strategies including – bit selection, BHA modeling, drilling parameter changes, persisted over several different projects.  Specifically, it will be shown that the dynamic conditions always worsened when the known strategies were executed, even when the specific vibrations modes were claimed to have been identified with downhole measurements. 

Most important, the presentation will also show re-focusing on the problems resulted in the identification of a new vibrations source.  This was aided by extensive analysis of worn downhole tools and their failure patterns.  The simplicity (little things) in the solution developed to address this new vibrations source, and the huge impact (big effects) the solutions continue to have on project success and cost savings in challenging environments will be presented. 

Organizer Ernie Prochaska

When?

Wed, Sep. 10, 2014
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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