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  • Tuesday, February 6 GSP Meeting

Tuesday, February 6 GSP Meeting

  • February 06, 2018
  • 5:00 PM - 8:00 PM
  • Cefalo's, 428 Washington Ave. Carnegie, PA


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Geophysics Applications of Borehole Acoustic Data

Edgar Velez

Cefalo's Banquet and Event Center

428 Washington Ave., Carnegie, PA


5:00 - Social Hour

6:00 - Dinner Buffet

7:00 - Lecture

Geophysics Applications of Borehole Acoustic Data

Edgar Velez

Abstract: Acoustic (or sonic) logs are one of the most common logging measurements acquired in the oil and gas industry. A sonic log can measure monopole acquisition or include dipole and Stoneley acquisition. The application of these logs in the industry is very extensive and covers several different domains; for example, it can be used by petrophysicists to estimate formation porosity, and it can be used by geomechanics experts and completion engineers to obtain formation anisotropic mechanical properties.
     Although one of the first uses of acoustic measurement data was to create synthetic seismograms and ties to surface seismic data, there is oftentimes not a clear understanding of other uses sonic logs can be in geophysical workflows. Thus, this talk will cover some advanced sonic applications, how they can be integrated into the geophysics workflows, review some key acoustic concepts such as log quality control and anisotropy, and show and discuss some examples.  DOWNLOAD

Biography:  Edgar Velez is the Acoustics Domain Champion for North America Land leading the application of acoustics tools in the unconventional market.  Edgar is a Geophysicist Engineer Graduated with Honors from the Universidad Nacional Autónoma de Mexico (UNAM) in 2002. He joined Schlumberger in 2003 as a junior petrophysicist with the Data Services (DS) team in Villahermosa Mexico and held both technical and management positions in Mexico. In 2008, he was appointed as the Acoustics Domain Champion for the Latin American region with the last two years focusing in unconventional reservoirs based in Argentina. Since 2014 Edgar has held a similar position for North America Land with a strong focus on applications in unconventional reservoirs.

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