Antony Hewitt

Senior Engineering Geologist with 25 years of experience leading marine geohazards and site-investigation programs for deep-water oil & gas and offshore wind developments. Proven record of de-risking drilling and subsea infrastructure through integrated interpretation of geophysical, geotechnical, and well data. Trusted technical advisor and discipline lead on multi-disciplinary projects, delivering defensible ground models to support capital investment decisions.

Principal Technical Consultant – Geoscience at Worley (2022-01 – Present)

Marine survey and geohazards specialist on offshore infrastructure projects. Leads multi-disciplinary teams of surveyors, geologists, and geotechnical engineers to support clients in developing offshore O&G and OSW projects. Leads the teams through all aspects of marine survey and geosciences support to projects, ranging from surveys scoping and planning, field executions support and client representation, oversight of post-surveys interpretations, performing interpretations, and delivering practical ground models and data to projects.

Also, a shallow hazards specialist in offshore drilling for O&G wells, performing pre-drill shallow hazards assessments and real-time monitoring of riserless drilling.

• Lead for exploration drilling hazards assessments for Bay of Bengal (Vedanta - India)
• Geoscience Advisor on a deep-water development (Woodside - Trinidad & Tobago)
• Leads a Worley team for monitoring riserless drilling hazards (BP - USA and international)
• Desk-top planning, scopes of work, procurement, and bid reviews for site investigation surveys for a floating wind development (USA - Ocean Winds)
• Scopes of work for geophysical/geotechnical surveys in west Africa (Chevron). Assisting with procurement. Advising on geophysical survey planning and execution, and interpretation guidance
• Survey/geoscience lead for 700-km long pipeline route in southern Gulf of Mexico (Trans Canada Energy - Mexico). Coordinated the program for three vessels simultaneously surveying a challenging pipeline route corridor. Managed interpretation reporting

Principal Geohazards at BHP (2018-01 – 2022-12)

Principal geohazards specialist at BHP, leading geohazards assessments for well sites and subsea developments in various BHP asset areas.

• Geohazards lead for BHP's new deep-water Calypso development in Trinidad & Tobago, including wells, pipelines, and platform options. Designed the overall site investigation approach, wrote scopes of work, and managed interpretation contractors
• Geohazards lead for several deep-water exploration wells and appraisal wells in Trinidad
• Lead geohazards specialist for new basin entry into Canada (Orphan Basin)
• Involved in various projects in the Gulf of Mexico (USA and Mexico)
• Training junior geohazards staff

Senior Geoscientist at Fugro (2017-01 – 2018-12)

Delivering geohazard evaluations based on integration of various types of offshore geophysical and sediment sample data.

• Led geohazards assessments for well sites, and AUV site investigations
• Participated in hydrocarbon seeps coring and geophysical surveys
• Coaching junior geohazards staff

Shallow Hazards (Geohazards) Team Lead at Berger Geosciences (2016-01 – 2017-12)

Senior geoscientist coaching and developing staff capability and delivering geohazard evaluations based on integration of various types of geophysical and sediment sample data.

Senior Site Investigation and Shallow Hazards Specialist at BP (2011-01 – 2016-12)

Lead geohazards specialist for BP's deep-water Gulf of Mexico Assets (Atlantis, Mad Dog, Thunder Horse, Nakika, and Kaskida). Managed and delivered seafloor investigations and geohazards assessments that reduced risk to drilling operations and other seabed installations.

• Provided drilling geohazards assessments, and worked across multiple teams with well planning geologists, pore-pressure specialists, and drilling engineers to execute wells
• Geohazards lead for 14 deep-water development wells
• Worked in teams with geotechnical and subsea engineers to select safe drilling locations and sites for related seabed installations, including pipelines and anchor locations for platforms
• Coached junior geohazards staff

Senior Geoscientist at Fugro (2004-01 – 2011-12)

Delivering geohazard evaluations based on integration of various types of offshore geophysical and sediment sample data.

• Led geohazards assessments for deep-water developments in the Gulf of Mexico and west Africa using integrated AUV and 3D seismic data
• Participated in various surveys and geohazards assessments in USA, Venezuela, Angola, Trinidad, Korea, and China

Project Geophysicist at Thales (2002-01 – 2004-12)

Processing, troubleshooting, and interpretation of AUV geophysical survey data. Also conducted shallow water geohazards assessments for oil filed development.

• AUV (Autonomous Underwater Vehicle) data processing (multibeam, backscatter, side scan, and subbottom profiler) and QC during development of Thales' Bluefin AUV
• Developed efficient digital processing and presentation procedures for AUV geophysical data

Contractor at Geological Survey of Canada (1996-01 – 1998-12)

Government research institute (Pacific Geoscience Centre at Institute of Ocean Sciences). Funded by GSC, USGS National Earthquake Hazards Reduction Program, and NOAA.

• Worked on various offshore survey/mapping projects, involving seismic interpretation, offshore coring, and laboratory sampling for physical properties and age-dating
• Work lead to sponsorship of PhD program (1998 to 2002)

B.Sc. in School of Earth and Ocean Science – University of Victoria (1994-01 – 1994-12)

M.Sc. in School of Earth and Ocean Science – University of Victoria (1996-01 – 1996-12)

Ph.D. in Center for Coastal & Ocean Mapping – University of New Hampshire (1998-01 – 2002-12)