About the Team

at Islay Subsurface & Engineering

In that past few years we have become a group of highly skilled Subsurface Subject Matter Experts with a average of 25 years experience across the team.

Our diverse team of consultants covers well planning, formation evaluation strategy, tendering services, petrophysics (operations studies, and cased hole analysis). Iain has carefully selected ‘World Class’ consultants who share our commitment to delivering top-notch services to our clients.

Senior Leadership

Senior Petrophysicists

Specialists

Senior Leadership

Iain Whyte

Founding Director
Well Operations and Petrophysics Advisor

Iain is a Well Operations Petrophysicist with a strong and current operational background. Iain has worked with oil and gas companies across Africa, Europe, Middle, Central and Southeast Asia and South America.

With prior service company experience he is comfortable managing major contracts that provide DD MWD/LWD, Eline, Mudlogging and coring services, including High Pressure, High Temperature and narrow pore pressure margin drilling and evaluation.

John Williams

Principal Petrophysicist

John’s experience spans 44 years, 38 of which are with major oil and gas companies. John has applied his knowledge as a Senior Petrophysical Advisor to all aspects of the value chain, from entering new countries and associated exploration through appraisal, field development, production and abandonment.

Michel Claverie

Principal Petrophysicist

Michel had a 39 year career with SLB as a Petrophysics Advisor and Technical Director of the Petrophysics Domain for Wireline Logging. Michel led the development of many new petrophysical data acquisition technology and interpretation methods.

Michel has a deep expertise and worldwide experience in petrophysics and formation evaluation for the assessment of net pay, fluid types & volumes, and productivity of complex reservoirs.

He is a recognised expert in the technologies and petrophysical evaluation methods for resistivity, nuclear porosity and elemental spectroscopy, dielectric dispersion, magnetic resonance, and acoustic velocity – at all stages of reservoir exploration and exploitation.

Andrew Foulds

Principal Petrophysicist

Petrophysicist/Geoscientist with over 44 years international experience in conventional and unconventional reservoir evaluation, working both in the service sector, and within international oil companies, on various conventional clastic and carbonate reservoirs, including unconventional and fracture plays around the world.

Senior Petrophysicists

Matt Benefield

Senior Petrophysicist

With over 27 years experience in Energy companies, Matt has had the fortune to work on a huge range of subsurface challenges with many superbly integrated teams. Matt has a strong operational focus and recognises the need for pragmatic decision making in our sector.

Matt has published extensively on real-time petrophysical applications in doing so demonstrating the added value of rapid data analysis to operations. He’s also a natural team builder and have developed and run a Geoscience support and training facility.

Sas Parker

Senior Petrophysicist

A friendly approachable petrophysicist who has worked with consultancies and operators gaining over 28 years industry experience. Projects have ranged from multiple single well operations to large integrated field development studies in clastic and carbonate environments across the globe. Sas has proven to be self-reliant and able to work in multi-disciplined team delivering robust and consistent interpretations alongside sound petrophysical advice.

Sigrid Kramer

Senior Cased Hole Petrophysicist

Sigrid has 16 years experience as an operations petrophysicist and new well delivery specialist. BP certified cement evaluation specialist with extensive experience of operations in challenging environments

Wayne Alger

Senior Petrophysicist

Wayne has 28 Years experience equally spread across exploration, appraisal and development studies.

Dr Adam K Moss

Senior Core Analysis Petrophysicist

Adam has 29 years experience in Routine Core and Special Core analysis.

PHD in Characterisation and Modelling of the Pore Structure of Reservoir Sandstones

Specialists

Alistair Chaney

Principal Sedimentologist

Expertise covering 23 countries in sedimentology, seismic interpretation, sequence stratigraphy, prospect generation, new ventures and 15 years as a global pore pressure prediction expert/advisor for Shell and Tullow. Includes significant experience in the pre-salt stratigraphy of Gabon and Congo

Sarah Dominey

Image Log Specialist

Sarah has worked in both consultancies and operators acquiring over 15 years of global exploration, development and operational petrophysical experience. Well versed across geoscience, Sarah is a key integrator and has mentored and reviewed across the wider subsurface team to ensure consistency and quality of output. Sarah has geological, geophysical, petrophysical and image log analysis experience within a diverse range of clastic, carbonate and fractured basement reservoirs.

James White

Geophysics Specialist

James has 18 years experience in Seismic interpretation and a data integration expert

Benjamin Quaillet

Geopressure Specialist

Benjamin has 20 years’ experience in Pore Pressure and Fracture Gradient estimation specialist