Every petrophysical answer is only as good as the data behind it. A single porosity unit of error can mean the difference of hundreds of thousands of barrels in your reserves estimate — and bad data starts at the wellsite, not in the interpretation software. In this premium webinar, Angel Meso draws on 40+ years of wireline and petrophysics experience to show how data quality problems creep in from cement evaluation through formation evaluation, how to catch them with proper QC checks, and what they cost you when you don't. Real log examples, real QC workflows, real consequences.

Webinar Objectives

By the end of this session, participants will be able to:


Understand why data quality directly impacts reserves estimation — including what one porosity unit of error is worth in barrels


Apply quality control checks to cement evaluation logs, including light cement and the factors that affect cement bond measurements


Run advanced tool QC checks and recognize when a log is not fit for interpretation


Distinguish random from systematic errors and know how logging speed and measurement practice affect each


Recognize how poor data quality distorts basic formation evaluation — porosity, saturation, and permeability answers

About the Presenter

Angel Meso — Senior Petrophysicist & Wireline SME, 40+ years, ex-Schlumberger & Weatherford


Senior Petrophysicist with 40+ years of international experience, specializing as a Petrophysics Consultant and Trainer across North America, Latin America, the Middle East, and Asia Pacific. Since 2014, he has worked as an independent consultant delivering petrophysical studies, reservoir evaluations, and wireline logging quality control — including a complete re-interpretation for Petrotal Corp that redefined its reservoir geological model, on-call QC support for GMP Petrolera, and training materials design for OilSERV. As a trainer, he has delivered 400+ courses for operators such as Chevron, Shell, ExxonMobil, and PDVSA, plus universities and professional societies, partnering with international training organizations worldwide. He is a graduate of the Schlumberger Log Analyst Training School in Paris and a member of SPE and SPWLA.

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Date : 28/09/2026 - 28/09/2026
Time : 8 PM Indian Time | Duration : 3 Hours
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