Mehrez Ghamgui

Senior oil & gas Well Integrity specialist with 36+ years of international experience spanning well lifecycle integrity, WIMS, well barriers, barrier verification, MAWOP/MAASP, sustained annular pressure, wellhead integrity, risk assessment, remediation, technical assurance and field audits. Strong operator-facing background combining engineering analysis with practical field execution. Experienced in reviewing equipment readiness, diagnosing integrity threats, defining remediation strategies, mentoring teams and translating standards such as NORSOK D-010, ISO 16530, OLF-117 and API RP 90 into practical integrity-management workflows.

WELL INTEGRITY CONSULTANT - Waha Oil Company - Libya

(2025-11)

• Supervise specialist-company audits of existing well-control equipment, reviewing condition, functionality, readiness and reliability.
• Monitor technical findings, integrity issues and corrective actions; review recommendations and follow up closure.
• Coordinate specialist auditors with the operating organization and support equipment readiness and barrier-related risk considerations for well-control events.

INDEPENDENT WELL INTEGRITY & PRESSURE PUMPING CONSULTANT - Independent - Tunisia / International

(2023-09 - 2025-10)

• Provided operator-facing technical consulting across well integrity, pressure control, cementing, well intervention and field assurance.
• Supported integrity assessments, technical reviews, troubleshooting, audits and training/mentoring.

SENIOR WELL INTEGRITY ENGINEER - Cudd Pressure Control - Algeria

(2019 - 2023-04)

• Assessed integrity of hundreds of wells, including barrier status, MAWOP/MAASP, integrity scoring, remediation needs and sustained annular pressure.
• Established a MAWOP methodology incorporating tubular ageing/corrosion considerations; supported wellhead inspections and integrity monitoring.
• Contributed to WIMS development for Sonatrach, barrier envelopes, operator training and mentoring, root-cause analysis and integrity risk prioritization.
• Developed an extended-operation plan that kept an oil producer operating approximately 500 additional days, with estimated additional production value of about US$18 million.

Technical Manager and Operations Manager — Pressure Pumping Services; Technical Team Leader — Cementing & Stimulation - Weatherford - Algeria / Morocco

(2012 - 2018)

• Led technical/operational support, field execution, troubleshooting, client interface and service quality.

Progressive engineering, technical and management responsibilities across cementing, coiled tubing, stimulation, well integrity, managed pressure cementing and - Halliburton - Libya / Tunisia / Algeria / Sub-Saharan Africa

(1990 - 2012)

• International assignments included Libya, Tunisia, Algeria and Sub-Saharan Africa.

MSc - Civil Engineering - Carnegie Mellon University, USA (1987)

BSc - Civil Engineering - Pennsylvania State University, USA (1985)