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Reservoir Characterization

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The calibration of seismic data with the available well control is an important step that provides the link between seismic reflections, their stratigraphic interpretation and subsequent prediction of reservoir and fluid properties.
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We present a simple workflow that allows an interpreter to more accurately extract such attributes using the volumetric calculators available in most commercial interpretation software packages.

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A team of structural geologists and seismic processing geophysicists has developed what they believe is a potentially revolutionary technology that can help predict fracture performance before a well is ever drilled.

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Understanding the stratigraphic fill and reconstructing the palaeo-hydrology of incised valleys can help to constrain those factors that controlled their origin, evolution and regional significance. This condition is addressed through the analysis of a large (up to 18 km wide by 80 m deep) and exceptionally well-imaged Late Pleistocene incised valley from the Sunda Shelf (South China Sea) based on shallow three-dimensional seismic data from a large (11 500 km2), ‘merge’ survey, supplemented with site survey data (boreholes and seismic).

This approach has enabled the characterization of the planform geometry, cross-sectional area and internal stratigraphic architecture, which together allow reconstruction of the palaeo-hydrology. The valley-fill displays five notable stratigraphic features: (i) it is considerably larger than other seismically resolvable channel forms and can be traced for at least 180 km along its length; (ii) it is located in the axial part of the Malay Basin; (iii) the youngest part of the valley-fill is dominated by a large (600 m wide and 23 m deep), high-sinuosity channel, with well-developed lateral accretion surfaces; (iv) the immediately adjacent interfluves contain much smaller, dendritic channel systems, which resemble tributaries that drained into the larger incised valley system; and (v) a 16 m thick, shell-bearing, Holocene clay caps the valley-fill. The dimension, basin location and palaeohydrology of this incised valley leads to the conclusion that it represents the trunk river, which flowed along the length of the Malay Basin; it connected the Gulf of Thailand in the north with the South China Sea in the south-east. The length of the river system (>1200 km long) enables examination of the upstream to downstream controls on the evolution of the incised valley, including sea-level, climate and tectonics. The valley size, orientation and palaeohydrology suggest close interaction between the regional tectonic framework, low-angle shelf physiography and a humid-tropical climatic setting.

The presentation will be concluded by considering how some of these concepts might be applied to other fluvial systems in SE Asia, including those that form petroleum reservoirs.

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The AAPG-AAPG Foundation Distinguished Lecture program, the Association's flagship initiative for sharing the latest in scientific thought, concepts and advances, starts its new season in November with a lecture tour of North America.

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Digital outcrop models (DOM’s) represent a relatively new tool for incorporating high resolution information on heterogeneity from outcrops into subsurface reservoir models.
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Microporosity occurs throughout Arab Formation carbonates of Saudi Arabia, and affects the log response, fluid flow properties and ultimate recoveries of reservoirs in these rocks.

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This presentation focuses on heterogeneity caused by lithologic changes in the most prolific reservoir interval in the world, the Arab-D, and highlights the impact of dolomitization on reservoir performance.
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This study presents a new approach to pre-drill reservoir quality prediction that involves the integration of a variety of modelling techniques to understand, quantify and predict the geological processes that control reservoir quality.

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Reservoir quality is the main attribute that controls well productivity and field-wide performance. Yet, even though oil companies have invested significantly in techniques to understand and predict reservoir quality, it still remains a significant challenge and source of investment risk for the industry.

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In-Person Training
Rio de Janeiro Brazil 18 May, 2016 19 May, 2016 24695 Desktop /Portals/0/PackFlashItemImages/WebReady/exploration-production-challenges-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Business and Economics, Economics, Reserve Estimation, Resource Estimates, Risk Analysis, Development and Operations, Engineering, Conventional Drilling, Geophysics, Seismic, Carbonates, Sedimentology and Stratigraphy, (Carbonate) Shelf Sand Deposits, Carbonate Platforms, Clastics, Conventional Sandstones, Deep Sea / Deepwater, Deepwater Turbidites, Marine, Reservoir Characterization, Structural Traps, Subsalt Traps, Stratigraphic Traps
 
Rio de Janeiro, Brazil
18-19 May 2016

A Geosciences technology workshop hosted by the Associação Brasileira de Geólogos de Petróleo  (ABGP) and the American Association of Petroleum Geologists (AAPG)

Tulsa Oklahoma United States 20 May, 2016 20 May, 2016 24033 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-recognizing-unconventional-pay-from-wireline-logs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Petrophysics and Well Logs, Engineering, Reservoir Characterization, Sedimentology and Stratigraphy, Carbonates
 
Tulsa, Oklahoma, United States
20 May 2016
A review of the basic principles of carbonate well logging including a series of lectures on the different carbonate port types and the different logging methods used to  .
Casper Wyoming United States 22 August, 2016 26 August, 2016 24361 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Casper-Fracture-School.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Structure, Sedimentology and Stratigraphy, Geophysics, Engineering, Petrophysics and Well Logs, Geomechanics and Fracture Analysis, Clastics, Carbonates, Seismic, Reservoir Characterization, Fractured Carbonate Reservoirs
 
Casper, Wyoming, United States
22-26 August 2016

Take advantage of this unique opportunity to learn all the aspects related to the understanding and modeling of fractured reservoirs. Attendees will take geologic concepts and use them in reservoir modeling through hands-on sessions devoted to the examination of outcrop, core and log data. They will use that information and a software to create 3D fractured reservoir models. Using actual Teapot Dome (Wyoming, USA) field data from the Tensleep and Niobrara Shale formations and a hands-on approach, the workshop allows the geoscientist to identify fractures and to construct predictive 3D fracture models that can be used to identify productive zones, plan wells and to create fracture porosity and permeability models for reservoir simulation.

Calgary Alberta Canada 18 June, 2016 19 June, 2016 23863 Desktop /Portals/0/PackFlashItemImages/WebReady/sc-basin-analysis-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Member, Student, Sedimentology and Stratigraphy, Sequence Stratigraphy, Reservoir Characterization, Engineering, 3D Seismic, Seismic Attributes
 
Calgary, Alberta, Canada
18-19 June 2016

This course reviews the basin analysis methods and workflows used in oil and gas exploration, with special emphasis on the integration of geologic, geophysical and geochemical data. The workflows are built on three main disciplines: sedimentology, sequence stratigraphy and seismic geomorphology. Logs and 2-D/3-D seismic will be used to characterize clastic and carbonate depositional systems through time and space in the principal sedimentary basin types, including extensional basins (rifts, growth fault margins and passive margins), foreland basins and confined basins associated with mud and salt diapirism.

Calgary Alberta Canada 18 June, 2016 19 June, 2016 23847 Desktop /Portals/0/PackFlashItemImages/WebReady/ACE-2016-SC-10-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Member, Student, Short Courses, Conventions, Pre-Convention, Geophysics, Engineering, Reservoir Characterization
 
Calgary, Alberta, Canada
18-19 June 2016

This two day seminar integrates the principles of Steam Assisted Gravity Drainage (SAGD) and emerging production enhancement technologies with reservoir characterization, primarily focused on the McMurray Formation. Developing a 3-dimensional view of these oil sands deposits, understanding the impact of reservoir heterogeneity on steam chamber growth and identifying production risk are important considerations for developing optimal recovery strategies. Hands-on examination of representative oil sands cores provides critical observations for each reservoir type. Post-steam core provides direct knowledge of production mechanisms and steam chamber growth and conformance.

Calgary Alberta Canada 18 June, 2016 19 June, 2016 23840 Desktop /Portals/0/PackFlashItemImages/WebReady/sc9-ace16-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Member, Student, Short Courses, Conventions, Pre-Convention, Engineering, Reservoir Characterization, Petrophysics and Well Logs
 
Calgary, Alberta, Canada
18-19 June 2016

The course provides an introduction to the concepts and methods of geological reservoir characterization and modeling through lectures, exercises, and case studies. A variety of topics are discussed that include sedimentary and reservoir-rock properties, heterogeneity and flow units, well logs and pay determination, unconventional resources, siliciclastic and carbonate deposits and reservoirs, structural controls on reservoir heterogeneity, and reservoir modeling concepts and methods. Exercises and case studies using data from well logs, cores, seismic, and outcrops will be presented to strengthen participant understanding of concepts and methods.

Calgary Alberta Canada 18 June, 2016 18 June, 2016 23785 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-sc17-oil-sands-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Member, Student, Short Courses, Conventions, Pre-Convention, Engineering, Reservoir Characterization, Geochemical Fingerprinting
 
Calgary, Alberta, Canada
18 June 2016

As is often the case, new discoveries can lead to re-evaluation of important concepts thought to be outdated. This course offers a unique opportunity to have a retrospective look at the reservoir characteristics of oil sands. This course will be taught from ‘Guide to Oil Sands Fabric Analysis for Reservoir Characterization’, written by the instructor, in e-book format.

Midland Texas United States 24 February, 2016 25 February, 2016 23649 Desktop /Portals/0/PackFlashItemImages/WebReady/gtw-reality-based-reservoir-development-midland-tx-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Engineering, Reservoir Characterization
 
Midland, Texas, United States
24-25 February 2016

Building on the success of the Oklahoma City AAPG-SPE joint program on “Reality Based Reservoir Development,” the WTGS and AAPG are teaming up to create a workshop that brings together engineers and geologists to give each other new insight and to formulate solutions.

Lagos Nigeria 22 February, 2016 24 February, 2016 21922 Desktop /Portals/0/PackFlashItemImages/WebReady/sequence-stratigraphy-concepts-principles-applications-clastic-depositional-environments-02feb-2016-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Engineering, Reservoir Characterization, Geochemistry and Basin Modeling, Source Rock, Petrophysics and Well Logs, Sedimentology and Stratigraphy, Clastics, Conventional Sandstones, Deep Sea / Deepwater, Deepwater Turbidites, Eolian Sandstones, Estuarine Deposits, Fluvial Deltaic Systems, High Stand Deposits, Incised Valley Deposits, Lacustrine Deposits, Low Stand Deposits, Marine, Regressive Deposits, Sheet Sand Deposits, Shelf Sand Deposits, Slope, Transgressive Deposits, Sequence Stratigraphy, Deep Basin Gas, Diagenetic Traps, Stratigraphic Traps, Structural Traps
 
Lagos, Nigeria
22-24 February 2016
Sequence stratigraphy provides a framework for the integration of geological, geophysical, biostratigraphic and engineering data, with the aim of predicting the distribution of reservoir, source rock and seal lithologies. It gives the geoscientist a powerful predictive tool for regional basin analysis, shelf-to-basin correlation, and characterization of reservoir heterogeneity. This course will examine the underlying geological principles, processes and terminology related to sequence stratigraphic interpretation. The strength of this course is the application of these basic principles to subsurface datasets in a series of well-founded exercises.
Houston Texas United States 04 March, 2016 04 March, 2016 13408 Desktop /Portals/0/PackFlashItemImages/WebReady/ec-wec-log-analysis-of-hydrocarbon-bearing-shale-reservoirs-v2.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Petrophysics and Well Logs, Oil Shale, Shale Gas, Business and Economics, Resource Estimates, Geochemistry and Basin Modeling, Source Rock, Oil and Gas Analysis, Maturation, Geochemistry, Maturity of Source Rock, Geology, Petrophysical Analysis, Engineering, Reservoir Characterization
 
Houston, Texas, United States
4 March 2016

This one day course will include background material on hydrocarbon-bearing shales, methods of evaluation, and case studies of both gas and oil bearing shales.

Houston Texas United States 03 March, 2016 03 March, 2016 13407 Desktop /Portals/0/PackFlashItemImages/WebReady/ec-wec-log-analysis-of-shale-sand-reservoirs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Petrophysics and Well Logs, Sedimentology and Stratigraphy, Clastics, Engineering, Reservoir Characterization, Geology, Petrophysical Analysis
 
Houston, Texas, United States
3 March 2016

An advanced log analysis short course concentrating on methods used to analyze shaly sandstone reservoirs.

Houston Texas United States 29 February, 2016 01 March, 2016 13394 Desktop /Portals/0/PackFlashItemImages/WebReady/ec-wec-deepwater-reservoir-connectivity.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Geophysics, Seismic, Clastics, Sedimentology and Stratigraphy, Deep Sea / Deepwater, Conventional Sandstones, Engineering, Reservoir Characterization, Geology, Depositional Models/Processes, Clastic Rocks, Functional Area of Experience, Production, Offshore, Deepwater
 
Houston, Texas, United States
29 February - 1 March 2016

Connectivity in deepwater deposited reservoirs is often times something you don’t know for certainty until you have a well down and flowing. This course is for engineers, geologists and geophysicists who are responsible for economically positive exploration and development of deep-marine reservoirs. It is particularly appropriate for geologist-engineer teams who are responsible for building reservoir development models in these complex systems.

Naples Italy 01 October, 2016 07 October, 2016 36 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-carb-complex-carbonate-reservoirs-sedimentation.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Carbonates, Structure, Fold and Thrust Belts, Engineering, Reservoir Characterization, Carbonate Platforms
 
Naples, Italy
1-7 October 2016

The main part of the field seminar will focus on the description of the fractured carbonates and the extrapolation from the outcrop observations to the subsurface for building geologically plausible reservoir models.

Calgary Alberta Canada 23 June, 2016 29 June, 2016 149 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Seismic-Interpretation-in-Fold-and-Thrust-Belts.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Structure, Fold and Thrust Belts, Compressional Systems, Geophysics, Seismic, Engineering, Reservoir Characterization
 
Calgary, Alberta, Canada
23-29 June 2016
This structural field course in the Front Ranges of the Canadian Rockies focuses on relating outcrop to seismic expressions of compressive structural styles that are common in fold-and-thrust belts and deepwater passive margins (toe thrust belts) worldwide. Participants will recognize common types of structures in fold-and-thrust belts, apply fault-related folding concepts to interpret these structures, identify petroleum traps and their major structural risk elements, and recognize similarities between styles of trap and reservoir-scale deformation.
Las Negras Spain 07 April, 2016 12 April, 2016 31 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Play-Concepts-and-Controls-on-Porosity-in-Carbonate-Reservoir-Analogs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Carbonates, Sedimentology and Stratigraphy, Carbonate Platforms, Carbonate Reefs, Evaporites, Engineering, Reservoir Characterization, Dolostones
 
Las Negras, Spain
7-12 April 2016

The field seminar develops and evaluates the sequence stratigraphic framework and controls on location and reservoir character of Upper Miocene-Pliocene carbonate sequences from a variety of carbonate systems within the context of the regional paleogeography.

Online Training
21 January, 2016 21 January, 2016 23802 Desktop /Portals/0/PackFlashItemImages/WebReady/event-hero-ambient-seismic-imaging-throughout-the-life-cycles-of-unconventional-fields.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
21 January 2016

An overview of a new ambient seismic imaging method and applications of the method throughout the lifecycles (exploration through refracing) of unconventional oil and/or gas fields.

02 October, 2014 02 October, 2014 10593 Desktop /Portals/0/PackFlashItemImages/WebReady/esymp-concepts-of-scale-horizontal-development-of-wolfcamp-shale-oil-of-the-southern-midland-basin-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
2 October 2014
This course is ideal for individuals involved in Midland Basin exploration and development. Successful development of Wolfcamp shale oil relies on complex inter-relationships (ultimately interdependencies) within and between a wide variety of scientific disciplines, financial entities, and company partnerships. 
09 September, 2014 09 September, 2014 10591 Desktop /Portals/0/PackFlashItemImages/WebReady/esymp-fluid-migration-and-accumulation-within-the-mississippian-why-2-oil-cut-here-15-one-mile-away-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
9 September 2014
Water cut is a big factor in gauging the success of horizontal drilling in the Mississippi Lime Play (MLP). The contributing factors are related in part to the spectrum of producing lithofacies and reservoir quality encountered that varies laterally and vertically, sometimes dramatically. 
08 November, 2012 08 November, 2012 1493 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-proppant-selection-drivers-in-unconventional-resources.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
8 November 2012

This talk will present a brief overview of proppants followed by a comprehensive discussion of the major considerations that are driving proppant selection in these plays.

15 March, 2012 15 March, 2012 1484 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-exploring-the-geopressure-risk-in-deep-water-frontier-plays.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
15 March 2012

This e-symposium presents techniques for predicting pore pressure in seals by examining case studies from the Gulf of Mexico and incorporating the relationship between rocks, fluids, stress, and pressure.

01 January, 2013 01 January, 9999 1459 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-cc-giant-oil-and-gas-fields.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
1 January 2013 - 1 January 9999

There are more approximately 1,000 oil and gas fields in the world that have been classified as "giant," containing more than 500 million barrels of recoverable oil and /or 3 trillion cubic feet of gas.

10 September, 2013 10 September, 2013 1498 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-using-production-preformance-data-to-improve-geological-models.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
10 September 2013

The goal of this e-symposium is to review an important dimension in the ways geologist can build and update geological models using information from performance data.

10 November, 2011 10 November, 2011 1481 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-heterogeneity-in-carbonate-reservoirs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
10 November 2011

This work investigates how heterogeneity can be defined and how we can quantify this term by describing a range of statistical heterogeneity (e.g. coefficient of variation and the Lorenz coefficient).

26 September, 2013 26 September, 2013 1497 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-overpressure-in-shale-gas.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
26 September 2013

The presentation will discuss key reservoir information and how to develop a predictive pressure model.

09 February, 2012 09 February, 2012 1477 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-seismic-reservoir-characterization-of-us-shales.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
9 February 2012

Projects in several shales will be discussed, including Marcellus, Eagle Ford, Haynesville, Fayetteville, Montney, and Barnett, as will several seismically-detectable drivers for success including lithofacies, stress, pre-existing fractures, and pore pressure.

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