Joao Afonso
!
About Joao Afonso
Petrophysicist , Analyst
Passionate about petrophysics, geology and petroleum engineering. Petrophysicist with 17 years’ experience. Holder of doctorate and postgraduate master’s awarded for industry sponsored research. Developer of innovative petrophysical workflows directed at a broad range of geological settings.
Experience
Company:
Galp Energia
Duration: Jan 01, 2020 to Jan 01, 2021 . 1 year
Description:
Performing quantitative and qualitative data analysis of natural gas & renewable power in the global markets.
Developer of improved approaches for modelling risk and management actions in gas & power.
Position: Master of Science
Duration: Jan 01, 2020 to Jan 01, 2021 . 1 year
Description:
Performing quantitative and qualitative data analysis of natural gas & renewable power in the global markets.
Developer of improved approaches for modelling risk and management actions in gas & power.
Position: Petrophysicist
Duration: Jan 01, 2014 to Jan 01, 2018 . 4 years
Description:
Main petrophysicist to all pre-salt projects, including the company’s main assets, the Lula & Iracema
field developments in Santos, Brazil.
As a member of a small petrophysics team, providing petrophysical solutions throughout the E&P
teams. Providing consistent petrophysical interpretations of carbonate and clastic reservoirs,
operated and non-operated assets, from new ventures to development stage, in multiple locations
in Brazil, Argentina, Mexico, East and West Africa.
Position: Operations geologist / Petrophysicist
Duration: Jan 01, 2007 to Jan 01, 2010 . 3 years
Description:
Remote location geology team and wireline logging operations manager, providing quicklook, in loco, open–
hole well log analysis, selection of pretests, PVT and SWC depths, as part of well decision-making process.
Providing QC’ed petrophysical logs to the geology and geophysics teams for multiple projects from Brazil,
Portugal, Angola and Mozambique.
Company:
Equinor
Duration: Jan 01, 2018 to Jan 01, 2020 . 2 years
Description:
Principal petrophysicist for the appraisal phase of the Brazilian Santos basin Bacalhau integrated project, an
ultra-deep water, pre-salt, over pressured complex carbonate reservoir.
Providing real-time petrophysical interpretation of new open-hole wells in support of key decision-making
process.
QC and analysis of an elaborate multi-well dataset such as WL & LWD logs, borehole acoustic & resistivity
imaging, core & SWC point decision for RCAL and SCAL.
Cased hole formation tests support, perform PLT fluid flow and CBL cement log data analysis.
Delivering interpretation parameters as clay volume, porosity, water saturation, permeability, formation
pressures, mineralogy, acoustic/elastic properties, flow zones and zone summations results input to
the geological and reservoir models used for development & production planning.
Generate advanced analysis such as rock typing, saturation height and fluid substitution modeling.
Development phase open-hole wireline, LWD and coring acquisition planning.
Mentor less experienced petrophysicists.
Position: Senior Petrophysicist
Duration: Jan 01, 2018 to Jan 01, 2020 . 2 years
Description:
Principal petrophysicist for the appraisal phase of the Brazilian Santos basin Bacalhau integrated project, an
ultra-deep water, pre-salt, over pressured complex carbonate reservoir.
Providing real-time petrophysical interpretation of new open-hole wells in support of key decision-making
process.
QC and analysis of an elaborate multi-well dataset such as WL & LWD logs, borehole acoustic & resistivity
imaging, core & SWC point decision for RCAL and SCAL.
Cased hole formation tests support, perform PLT fluid flow and CBL cement log data analysis.
Delivering interpretation parameters as clay volume, porosity, water saturation, permeability, formation
pressures, mineralogy, acoustic/elastic properties, flow zones and zone summations results input to
the geological and reservoir models used for development & production planning.
Generate advanced analysis such as rock typing, saturation height and fluid substitution modeling.
Development phase open-hole wireline, LWD and coring acquisition planning.
Mentor less experienced petrophysicists.
Company:
University of Leicester
Duration: Jan 01, 2010 to Jan 01, 2012 . 2 years
Description:
Responsible in assisting undergraduate students during practical classes. Classes in geophysics, petrophysics,
geologic maps and sedimentology.
Position: Postgraduate Demonstrator
Duration: Jan 01, 2010 to Jan 01, 2012 . 2 years
Description:
Responsible in assisting undergraduate students during practical classes. Classes in geophysics, petrophysics,
geologic maps and sedimentology.
Company:
LNEC
Duration: Jan 01, 2003 to Jan 01, 2006 . 3 years
Description:
Responsible for laboratory and in situ tests aimed for physical and mechanical characterisation of rocks,
bituminous mixtures and materials treated with cement & bituminous binders for paving works in roads,
highways and airfields across the country.
Position: Laboratory Technician
Duration: Jan 01, 2003 to Jan 01, 2006 . 3 years
Description:
Responsible for laboratory and in situ tests aimed for physical and mechanical characterisation of rocks,
bituminous mixtures and materials treated with cement & bituminous binders for paving works in roads,
highways and airfields across the country.
Education
University: University of Leicester
Degree: PhD
Graduation Year: 2014
Area: Petrophysics
Start - End Year: 2010 - 2014
Notes:
Passionate about petrophysics, geology and petroleum engineering. Petrophysicist with 17 years’ experience. Holder of doctorate and postgraduate master’s awarded for industry sponsored research. Developer of innovative petrophysical workflows directed at a broad range of geological settings.
University:
Universidade Federal de Sergipe
Degree: Postgraduate
Graduation Year: 2007
Area: Sedimentary Geology
Start - End Year: 2006 - 2007
Notes:
Research the topic “Geological and Stratigraphic study of the Calumbi Formation reservoir potential Sergipe,
Alagoas Basin, Brazil.” funded by GALP Energia Group.
University:
Universidade de Lisboa
Degree: Master of Science
Graduation Year: 2005
Area: Applied Geology
Start - End Year: 1999 - 2005
Notes:
Master of Science in Applied Geology
Skills
Well Data Management;
Formation Evaluation;
Remote Operations;
Wireline Operations;
Measurement While Drilling;
Formation correlation;
Core-log integration;
Planning, implementation and QC of data accquisition programs for Oil/Gas operators;
Operation geology;
Core Logging;
Carbonates;
Rock Physics;
Sonic;
Log Analysis;
Log Analysis (Wireline);
Log Analysis (MWD);
Multimineral Analysis;
Electrofacies Analysis;
Research & Development;
Data quality control;
Techlog;
Interactive Petrophysics;
Portuguese;
English;
Python;
clastics;
Work History & Review
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