Bayt.com

Submitting more applications increases your chances of landing a job.

Here’s how busy the average job seeker was last month:

Opportunities viewed

Applications submitted

Keep exploring and applying to maximize your chances!

Looking for employers with a proven track record of hiring women?

Click here to explore opportunities now!
We Value Your Feedback

You are invited to participate in a survey designed to help researchers understand how best to match workers to the types of jobs they are searching for

Would You Be Likely to Participate?

If selected, we will contact you via email with further instructions and details about your participation.

You will receive a $7 payout for answering the survey.


User unblocked successfully
Yann Jehanno, Reservoir Management Engineer

Yann Jehanno

Reservoir Management Engineer·Halliburton

United Kingdom

Master's degree, Petroleum Engineering

Work experience

Total years of experience: 26 years, 7 months

Reservoir Management Engineer

January 2026 - Present

Halliburton

Dubai, United Arab Emirates

January 2026 - Present

• Reservoir management and field development studies for the giant mature C32 oil
fields in Libya.
• Material balance studies, water coning management, vertical and horizontal well
placement optimisation
Company industry:
Oil & Gas

Lead Reservoir Engineer

January 2017 - December 2025

Harbour Energy

Aberdeen, United Kingdom

January 2017 - December 2025

Lead Reservoir Engineer - J-Area Paleocene & Chalk Team
Jul 2017 - Dec 2025
• Progressed subsurface studies and well justifications for new wells, including the
first asset Prop Frac well.
• Conducted history matching, uncertainty analysis, and simulation to support AFE
approvals.
• Delivered recommendations on surveillance, production optimization, and
reserves management.
• Built reservoir models and development plans for Talbot field (successful UK 30th
round licence application).
Company industry:
Oil & Gas

Production Team Lead

January 2016 - January 2017

ConocoPhillips

Aberdeen, United Kingdom

January 2016 - January 2017

Production Team Lead - Greater Britannia Area
Mar 2016 - Jul 2017
• Managed production optimization across wells, subsea lines, and export systems.
• Achieved production and safety targets through well work, integrity reviews, and
debottlenecking.
• Coordinated with Operations, Offshore, and Subsurface teams to maximize asset
value.
Company industry:
Oil & Gas

Reservoir Engineer

January 2014 - January 2016

ConocoPhillips

Aberdeen, United Kingdom

January 2014 - January 2016

Reservoir Engineer - Southern North Sea / Late Life & Decommissioning
Aug 2014 - Mar 2016
• Assessed remaining prospectivity across ~30 dry gas fields.
Company industry:
Oil & Gas

Reservoir Engineer

January 2011 - January 2014

ConocoPhillips

Aberdeen, United Kingdom

January 2011 - January 2014

Reservoir Engineer - J-Area Paleocene & Chalk Team
Jan 2011 - Jul 2014
• Conducted screening studies to assess reservoir mechanisms and well designs for
enhanced recovery.
• Advanced projects through Concept Select phase with Wells Ops and Subsurface
support.
Company industry:
Oil & Gas

Reservoir Engineer

January 2008 - December 2010

BP

Aberdeen, United Kingdom

January 2008 - December 2010

Reservoir Engineer - Machar Team (Waterflood of a Chalk reservoir)
Mar 2008 - Dec 2010
• Progressed development well studies and uncertainty management through
project sanction.
• Built dual-porosity fractured chalk models for reserves certification and infill
planning.
• Authored reservoir management and surveillance strategies. (Waterflood & WAG EOR of a Sandstone
Company industry:
Oil & Gas

Reservoir Engineer

January 2006 - January 2008

BP

Aberdeen, United Kingdom

January 2006 - January 2008

Reservoir Engineer - Magnus Team (Waterflood & WAG EOR of a Sandstone reservoir)
Feb 2006 - Mar 2008
• Delivered uncertainty studies across geological, geophysical, and completion
domains.
• Conducted WAG optimization and topside debottlenecking studies. (Waterflood reservoir)
• Justified infill well through history matching and prediction analysis. (dry gas Sandstone development)
• Performed well optimization and sand production management.
• Developed forecasts and surveillance plans using integrated asset models. (Waterflood of a Sandstone reservoir)
Company industry:
Oil & Gas

Reservoir Engineer

November 2004 - January 2006

BP

Aberdeen, United Kingdom

November 2004 - January 2006

Reservoir Engineer - Mungo Team (Waterflood of a Sandstone reservoir)
Nov 2004 - Jan 2006
• Justified infill well through history matching and prediction analysis.
Company industry:
Oil & Gas

Petroleum Engineer

November 2003 - October 2004

BP

Aberdeen, United Kingdom

November 2003 - October 2004

Petroleum Engineer - Ravenspurn North (SNS) (dry gas Sandstone development)
Nov 2003 - Oct 2004
• Performed well optimization and sand production management.
• Developed forecasts and surveillance plans using integrated asset models.
Company industry:
Oil & Gas

Surveillance Engineer

January 2002 - October 2003

BP

Aberdeen, United Kingdom

January 2002 - October 2003

Surveillance Engineer - Foinaven Team (Waterflood of a Sandstone reservoir)
Sep 2002 - Oct 2003
Company industry:
Oil & Gas

Production Engineer

January 2000 - January 2002

PERENCO

Port-Gentil, Gabon

January 2000 - January 2002

Turkey, Diyarbakir & Gabon, Port-Gentil
Production Engineer
• Led well and field operations with service teams.
• Diagnosed productivity issues and implemented context-specific solutions.
Company industry:
Oil & Gas

Petroleum Engineer

December 1999 - January 2000

Enterprise Oil plc

London, United Kingdom

December 1999 - January 2000

Developed toolkit for rapid prospect evaluation.
Company industry:
Oil & Gas

Education

Imperial College London

November 1999

November 1999

Master's degree, Petroleum Engineering

United Kingdom

Polytech'Orleans

September 1998

September 1998

Master's degree, Geological Resource Management

France

University of Paris-Saclay

September 1995

September 1995

Bachelor's degree, Physical Chemistry

France

Skills

ANALYTICAL TECHNIQUES
Intermediate
ANALYTICAL TECHNIQUES
Intermediate
DYNAMIC SIMULATION
Intermediate
DYNAMIC SIMULATION
Intermediate
NATURAL GAS
Intermediate
NATURAL GAS
Intermediate
OPERATIONS
Intermediate
OPERATIONS
Intermediate
PLANNING
Intermediate
PLANNING
Intermediate
PRODUCTION IMPROVEMENT
Intermediate
PRODUCTION IMPROVEMENT
Intermediate
RESERVOIR ENGINEERING
Intermediate
RESERVOIR ENGINEERING
Intermediate
WELL LOGGING
Intermediate
WELL LOGGING
Intermediate
simulation
Intermediate
simulation
Intermediate
Classical reservoir engineering (Decline Curve Analysis, Material Balance/P/Z & EUR Forecasting)
Expert
Classical reservoir engineering (Decline Curve Analysis, Material Balance/P/Z & EUR Forecasting)
Expert

Languages

French

Beginner

English

Beginner

Spanish

Beginner

Turkish

Beginner