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Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates www.gore.com/surveys Gore ® Amplified Geochemical.

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Presentation on theme: "Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates www.gore.com/surveys Gore ® Amplified Geochemical."— Presentation transcript:

1 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Gore ® Amplified Geochemical Imaging SM - The advanced tool for derisking HC exploration FINDING PETROLEUM, Feb 15, 2011 Presented by Dirk Hellwig, W.L. Gore & Associates

2 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Today´s Menu Innovation Runs through everything we do, Gore Enterprise & Surveys Amplified Geochemical Imaging Earth´s Fractionation Process AGI – How it works The advanced tool Case studies Track Record & Wrap-up

3 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Innovation Runs Through Everything We Do Established in 1958, Privately held ~ $2.5 billion annual sales 9,000+ associates Recognized as a “Best Company to Work For” 50 offices worldwide Dedication to R&D Medical Products Electronic Products Industrial Products Fabrics

4 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Gore Survey Products Group, Global resources & locations LocationResources Elkton, MD, USAManufacturing, Lab, Interp., Sales, Leadership Munich, GermanyInterp., Sales, Sales Admin.

5 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates GORE Amplified Geochemical Imaging service is: - a surface based - passive - geochemical method - Direct Hydrocarbon Indicator It measures and maps - HC compounds from the soil gas in the sub part per billion range It uses - Gore´s unique and highly sensitive passive diffusion module - advanced mathematical and statistical techniques to identify and analyze the microseepage signal It creates - a comprehensive geochemical dataset that can be interpreted with various techniques (incl. AGI modelling)

6 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Benefit of AGI to your Exploration Program OIL Well DRY Well Frontier Acreage – is my concession prospective (evidence of a petroleum system)? Assess charge potential in defined leads to help reduce drilling risks Field development to find field extents and/or bypassed pay Onshore & Offshore Capability Frontier Acreage – is my concession prospective (evidence of a petroleum system)? Assess charge potential in defined leads to help reduce drilling risks Field development to find field extents and/or bypassed pay Onshore & Offshore Capability

7 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Hydrocarbons from reservoir Background hydrocarbons Hydrocarbons along faults Vertical Migration The Earth´s Fractionation Process Macroseepage: Detectable in visible amounts Pathway follows discontinuities Offset from source/reservoir Microseepage: Detectable in analytical amounts Pathway is nearly vertical Overlie source/reservoir VS

8 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Four possible mechanisms: 1) Diffusion - gradient movement of dissolved gases 2) Aqueous transport - movement in ascending water 3) Continuous gas phase flow Favoured mechanism: 4) Microbuoyancy - transport in buoyant microbubbles Direct surface projection of reservoirs Migration in the absence of faults Rapid changes in surface anomalies as production starts “Vertical Migration Mechanisms” Klusman, R.W., and M.A. Saeed, 1996, Comparison of light hydrocarbon microseepage mechanisms, in D. Schumacher and M.A. Abrams, eds., Hydrocarbon migration and its near-surface expression: AAPG Memoir 66, pp Brown, A., 2000, Evaluation of possible gas microseepage mechanisms, AAPG Bulletin, pp Vertical Migration - Microseepage The Earth´s Fractionation Process

9 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Before Charge - July After Charge - October During Draw down - January After Draw down - April CST Oil & Gas Exeter Oil & Gas Hydrocarbon Seepage – Response Speed Keota Dome Iowa – 700 m The Earth´s Fractionation Process

10 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Gore Sampler (Module) Patented, passive, sorbent-based –Chemically-inert, waterproof, vapor permeable –Direct detection of organic compounds –Sample integrity protected Engineered sorbents –Consistent sampling medium –Minimal water vapor uptake Time-integrated sampling –Minimize near-surface variability –Maximize sensitivity (up to C20) –Avoids variables inherent in instantaneous sampling Duplicate samples Amplified Geochemical Imaging - How it works GORE TM vapor permeable membrane casing Adsorbent

11 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Module installation & retrieval Amplified Geochemical Imaging - How it works Secure module, mark field location, record GPS data and field notes Create installation hole Insert module into hole & cover Onshore

12 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Slick sampling and analysis to validate petroleum systems Macroseep & seabed feature targeting to validate petroleum system Transition zone (0-40 meters) mapping of direct hydrocarbons for prospect ranking Shallow (40 m) to Deep water (3000 m) coring & mapping of direct hydrocarbons for prospect ranking Site Survey Sampling. Collecting seabed samples while geotech/env site surveying Offshore Application Amplified Geochemical Imaging - How it works

13 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Offshore Application Amplified Geochemical Imaging - How it works Place insertion rod in module Slick sampling and analysis to validate petroleum systems

14 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Shallow (40 m) to Deep water (3000 m) coring & mapping of direct hydrocarbons for prospect ranking Offshore Application Amplified Geochemical Imaging - How it works Collection of shallow seabed cores Gravity coring / vibrocoring Penetrating meters Grid sampling over defined prospects Multiple data points Modeling of charged fields, when possible Applicable anywhere a core sample can be taken

15 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Tools of trade Boat Gravity Corer Vibrocorer Core Extraction Sub-cropping Sample Jar + Module Amplified Geochemical Imaging - How it works Offshore Application

16 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Amplified Geochemical Imaging - How it works Survey Design Regular to Irregular grid Sample distance 200 m to 1.5 km

17 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Yields sensitive, compound specific results Analytical compound standards 87+ compounds – C 2 through C 20 Aliphatics Aromatics Oxygenated compounds TD/GC/MS Module Analysis Amplified Geochemical Imaging - How it works

18 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Amplified Geochemical Imaging - How it works

19 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Amplified Geochemical Imaging - How it works Data Interpretation > conditions the data to enhance signal/noise and uses multivariate statistical techniques to distinguish differences in hydrocarbon signatures

20 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates CANONICAL Score 2 CANONICAL Score 1 Analytical QA/QC blanks Calibration & tuning standards Industry standard instrumentation Clean facility standards & practices Good Laboratory Practices ISO guidelines Field Data Distinguished from QA Information Amplified Geochemical Imaging - How it works Quality Assurance /Quality Control Canonical Variate Scores

21 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates “Oil Well Signature” 300 bopd 41 API Limited range of compounds commonly reported by conventional surface geochemical techniques. Oil Well Ethene/Ethane Ethane Propane Propane/Propene Propene 1-Butene Butane 1-Butene/Butane 1-Butene/1,3-Butadiene 1,3-Butadiene 2-Methylbutane 1,4-Pentadiene 1-1,4-Pentadiene/1-Pentene 1-Pentene Pentane Furan Propanal Iodomethane Carbon disulfide Cyclopentane Cyclopentane/2-Methylpentane 2-Methylpentane 3-Methylpentane 1-Hexene Butanal Butanal/Hexane Hexane 2-Methylfuran Methylcyclopentane 2,4-Dimethylpentane Cyclohexane Benzene 1-Heptene Heptane 1-Octene Cycloheptane Octane Ethylcyclohexane Ethylbenzene m,p-Xylene 1-Nonene Styrene Nonane o-Xylene Cyclooctane Propylcyclohexane alpha-PineneCamphene Propylbenzene 1,3,5-Trimethylbenzene beta-Pinene 1-Decene Decane 1,2,4-Trimethylbenzene Limonene Butylbenzene 1-Undecene Undecane Camphor Dodecane Naphthalene Tridecane 2-Methyl naphthalene Tetradecane Pentadecane Toluene Methylcyclohexane Organic Compound Response Geochemical Data Differentiation Amplified Geochemical Imaging – The advanced tool

22 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates “Dry Well Signature” Response Geochemical Data Differentiation Amplified Geochemical Imaging – The advanced tool

23 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates “Gas Well Signature” 99% Methane Amplified Geochemical Imaging –The advanced tool Geochemical Data Differentiation

24 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Amplified Geochemical Imaging - How it works Data Interpretation > conditions the data to enhance signal/noise and uses multivariate statistical techniques to distinguish differences in hydrocarbon signatures

25 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Oil Well Model Gas Well Model Dry Well Model Geochemical Model Development Amplified Geochemical Imaging – The advanced tool

26 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Geochemical Model Development C2C2 C 20 Oil Range Compounds Gas Condensate Range Compounds Background, no correlation to compounds Example shown: Gas/Condensate Well and Dry well models; No oil discoveries in this area, HCA performed on Compounds post S/N, HCA clearly detects an oil signature in the data Cluster Analysis Identify geochemical similarities in data patterns –Soil gas data grouped by clusters Assumptions/Requirements -Identify & remove noisy variables - Cluster structure isolates “petroliferous” vs “background” character - Sufficient cluster membership to sample signal variance - Clusters have subsurface geochemical meaning Amplified Geochemical Imaging – The advanced tool

27 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Final Report: Objectives, design, & field work QA/QC summary Geochemical modeling Results Summary & conclusions Color contour probability maps Supporting appendices Available electronically Interpretation & Integration Amplified Geochemical Imaging – The advanced tool

28 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Amplified Geochemical Imaging Case historiesOnshore

29 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Amplified Geochemical Imaging Case histories Onshore

30 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Sensitive to a broader range of compounds IDs compound signal in ppt Reports compound signal in ppb Works in virtually any soil condition Amplified Geochemical Imaging’ C 10 C 20 Drier Wetter “Soil Gas” Sands Clays Shorter Sampling Longer Sampling Silts ppt Petroleum Compound Universe Geological Universe C5C5 C2C2 C 15 C1C1 ppb ppm Methane can skew interpretation: - it is ubiquitous - biogenic > < thermogenic - can be misleading Amplified Geochemical Imaging – The advanced tool

31 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates - More than 600 surveys in O & G EXP - Gore Surveys for Exploration has been used effectively in over 130 basins / 56 countries worldwide >Through sediment, volcanic cover & thick-evaporite sequences >Structural, stratigraphic, combination & salt traps - Including all continents, terrains and climate (e.g. desert, jungle, plains, tundra, offshore) - for more than 150 companies - with a success rate of + 90% Track Record Amplified Geochemical Imaging – The advanced tool

32 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Known no. wells drilled on our results – 179 [worldwide] Oil & Gas Discovery Well Prediction → 93% Dry Well Prediction → 92% Correct Predictions Total → 93% Success Rates

33 Amplified Geochemical Imaging SM – Finding Petroleum Feb 15, 2011 © Copyright 2011 W. L. Gore & Associates Thank you for your Time and Interest


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