Recent Projects

Fault seal analysis in Northern North Sea (near Gulfaks)

Structural Interpretation in Norwegian and Northern North Sea

Fractured Carbonates in Kurdistan

All aspects of the development of fractured reservoirs in Sarta and Taq Taq Fields

Genel Energy

Fracture Basement Characterisation/Structural Interpretation

Lancaster/Lincoln/Warwick Fields (West of Shetland)

Hurricane Energy

Late Life Field Opportunities

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Britannia/Callanish/Brodgar Fields (UK Central North Sea)

Chrysaor Ltd

  • Construction of Full Field Geomodel (Petrel) for Britannia Field, a giant gas condensate (Lower Cretaceous turbidites) field.

  • Inventory of opportunities for Britannia including infill wells, interventions

  • Structural logging of well 15/30-13 and integration with seismic data leading to identification of unit Z10 prize, Midfield Britannia.

  • Operations Geology support for Callanish Field (Tertiary Forties Sands)

Resource Evaluation of Fractured Mudstone

Valhall/Hod Fields (Diatomaceous mudstones, Mesozoic, Norwegian Central North Sea)

Aker BP

  • Appraisal plan for oil bearing diatomaceous mudstone in overburden section of Valhall and W Hod Fields.

  • Operations Geology support for 2 x vertical appraisal wells with full fracture characterisation log suite + core

  • Fracture and in-situ stress characterisation

  • Conceptual models and range of scenarios for appraisal well value case - a horizontal well to test fracture flow

Bradley, T, Fjeld, P.H., Scott, J, Ogilvie, S.R. 2019. Overcoming Coring Challenges in a New Unconventional Play Offshore by Integration of Formation Evalulation Data. SPE 195866, presented at the SPE Annual Technical Conference and Exhibition held in Calgary, 30 Sept – 2 Oct 2019.  

Infill well planning in Upper Cretaceous Chalk

Valhall Field (Tor Formation, Upper Cretaceous chalk, Norwegian Central North Sea)

Aker BP

  • Worked with team to identify NF6 target in N Flank.

  • Reconcile thicknesses from offset wells with seismic amplitudes

  • Structural interpretation of N Flank and target area from seismic data

Fracture characterisation/Geomechanics in Devonian Sandstones

Clair Field (Rona Ridge, West of Shetland)

BP

  • Fracture characterisation and in-field structural geology throughout full hydrocarbon value chain from near-field exploration (Foula-Sub basin) to Clair Phase 2 appraisal campaign to Clair Phase 2 predrill planning and execution.

  • Geomechanical work including assessment of stress-sensitivity of reservoir to production and planning of wells with appropriate standoff from Clair Ridge Fault to reduce risk of well bore instability.

Ogilvie, S.R., Barr, D, Roylance, P, Dorling, M. 2015. Structural Geology and Well Planning in the Clair Field. In: Richards, F.L, Richardson, N.J., Rippington, S.J., Wilson, R.W & Bond, C.E (eds). Industrial Structural Geology: Principles, Techniques and Integration. Geological Society London Special Publications, 421. 

Development/Structural Geology Caspian Sea

CDWG/Azeri Fields/onshore prospects (Pliocene sandstones, Caspian Sea)

  • Optimal standoff of wells from structural elements such as fold hinges, faults and mud volcanoes.

  • Recommended azimuth of injection wells to utilise the productive stress direction.

  • Ranking of Exploration prospects/structural restoration

  • In-field structural interpretation including use of dip meter data to ground truth seismic interpretation

Fracture Characterisation in Carbonates, Zagros

Ahwaz/Bibi Hakimeh/Marun Fields (Zagros, onshore Iran)

Statoil ASA

  • Analysis and integration of static (core, image logs, outcrop) and dynamic data (well tests, mud losses etc) in Ahwaz, Bibi Hakimeh and Marun oil fields.

  • Dual porosity models (DFN). Recommendation of EOR gas injection strategy.

Wennberg, O.PSvånå, T, Azizzadeh, M, Aqrawi, A.M.M, Brockbank, P, Lyslo, K.B, Ogilvie, S.R. 2006. Fracture intensity vs. mechanical stratigraphy in platform top carbonates, the Aquitanian of Asmari Formation, Zagros, SW-Iran. Petroleum Geoscience, Aug, 2006.

Wennberg, O.P, Azizzadeh, M, Blanc, E, Brockbank, P, Lyslo, K.B, Ogilvie, S.R, Salem, L.D, Svånå, T. 2005. The use of outcrop analogues in fractured reservoir characterisation – an example from the Dezful Embayment, SW Iran. EAGE extended abstracts, 67TH EAGE Conference and Exhibition, Madrid.