Summary
Overview
Work History
Education
Skills
Timeline
Generic

Ralph Castelijns

Senior Reservoir Engineer
Assen

Summary

An experienced RE who prefers being close to the execution side rather then the study side, whether WRFM or development related. Who is comfortable using all common RE tools/techniques.

Who enjoys using the simplest possible solutions to complex problems. Experience in oil&gas, IPSM, infill drilling, reserves, water injectors, has a fascination for data science and love to apply it in the WRFM space.

Overview

18
18
years of professional experience
34
34
years of post-secondary education

Work History

Senior RE WRFM/Development

NAM, Onshore Asset
01.2016 - Current
  • Senior RE for the waterflooded oilfield in Rotterdam and West Netherlands gas fields.
  • Rebuilt Barendrecht and Middelie IPSM models (Petex)
  • Various studies compression and infill drilling
  • Provided RE input for planning and execution of the latest RTD redevelopment phase.
  • Responsible for design/implementation of a monitoring strategy to obtain regulatory approval for the fractured injection.

WRFM/development Team Lead

Shell Gabon
01.2014 - 01.2016
  • Led 7 person multidisciplinary team.
  • Worked up two new infill wells through concept select.
  • Planned and executed complex Well Services intervention campaign.

Gabon Country Resource Focal Point / RE TA3

Shell Gabon
01.2013 - 01.2016
  • Coordination and QC of reserves and BP submissions
  • Implemented new R1 database in Gabon.
  • Presented BP forecasts to CEO/Board.
  • Replaced Head of RE when required.

Reservoir Engineer

Shell Gabon
01.2012 - 01.2014
  • WRFM/Development RE for the Gamba Ivinga oil field (100 wells).
  • Responsible for RE input during planning and execution of 4 new wells.
  • Coached graduate RE's and elected coach of the year.

EPE Reserves Coordinator

Shell Europe
01.2010 - 01.2012
  • Coordination of all of Shell Europe RE activities related to reserves excercise.
  • Responsible for implementation of the new central Shell reserves database.

Reservoir Engineer

NAM
01.2007 - 01.2011
  • WRFM/dev RE for oneGas west and east.
  • Opp. lead for development of two gas wells.
  • Rebuild of HFPT IPSM model

Education

Ph.D. - Experimental Particle Physics

Rijksuniversiteit Groningen
Groningen, The Netherlands
01.1995 - 01.2024

Master of Science - Physics

Rijksuniversiteit Groningen
Groningen, The Netherlands
09.2001 - 03.2006

Skills

IPSM Petex/genREM/HFPT

Reserves administration

WRFM

Water injector monitoring

Datascience & machine learning

Timeline

Senior RE WRFM/Development

NAM, Onshore Asset
01.2016 - Current

WRFM/development Team Lead

Shell Gabon
01.2014 - 01.2016

Gabon Country Resource Focal Point / RE TA3

Shell Gabon
01.2013 - 01.2016

Reservoir Engineer

Shell Gabon
01.2012 - 01.2014

EPE Reserves Coordinator

Shell Europe
01.2010 - 01.2012

Reservoir Engineer

NAM
01.2007 - 01.2011

Master of Science - Physics

Rijksuniversiteit Groningen
09.2001 - 03.2006

Ph.D. - Experimental Particle Physics

Rijksuniversiteit Groningen
01.1995 - 01.2024
Ralph CastelijnsSenior Reservoir Engineer