Integrated Petroleum Geochemistry for Unconventional Tight Reservoir and Source Rock Plays

Baseline characterization and ongoing monitoring of reservoir fluids are an essential element of integrated field development of unconventional tight reservoir plays. Fluid geochemical data can be used as an independent avenue to complement geological, PVT and engineering studies to get a full understanding of drainage, fluid properties and well interactions. This course provides a general overview of the applications of reservoir fluid geochemistry to the appraisal and development of unconventional tight reservoir plays. The fundamentals of fluid mobility in tight reservoirs and the resulting subsurface commingling of fluids and anomalous GOR/CGR of produced fluids will be addressed. The course focuses on characterization of frack height, identification of well interactions and use of production allocation to track the evolution of the drained rock volume over the life of a well. Oil, wet gas condensate, gas and water chemistry interpretation will be included in the discussion. The preferred methods of sampling for baseline characterization of reservoir fluids and time series geochemistry will be discussed.

Professional Development Skills you'll gain:
principles of production allocation, geochemical fluid sampling program design, fundamentals of fluid mobility in tight reservoirs, gas geochemistry interpretation, water chemistry applications, geochemical sampling program design, evaluation of anomalous GORs, time series geochemistry workflows

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    Chapter 1 - Introduction to Fluid Geochemistry

    1.01a Applications for Unconventional Reservoir Production - Part 1

    1.01b Applications for Unconventional Reservoir Production - Part 2

    1.01c Applications for Unconventional Reservoir Production - Part 3

    Chapter 2 - Geochemical Fingerprinting of Oilfield Fluids

    2.01 Natural Subsurface Tracers for Production Optimization

    2.02 Geochemical Production Monitoring and Allocation

    2.03 Source of Produced Fluids

    2.04 Examples of Source Rock Fluid Mobility

    Chapter 3 - Production Allocation Program Design in Tight Unconventional Reservoirs

    3.01a Generalized Workflow for Production Allocation - Part 1

    3.01b Generalized Workflow for Production Allocation - Part 2

    3.02a Types of Data for Production Monitoring and Allocation - Part 1

    3.02b Time lapse Monitoring of Fluid Geochemistry - Part 2

    3.02c Time lapse Monitoring of Fluid Geochemistry - Part 3

    3.03 Psuedo End Member Oils vs Core Extracts

    Chapter 4 - Analytical Methods to Ensure Representative Samples for Fingerprinting & Production Allocation

    4.01a Analytical Work (Molecular Chemistry for Allocation, Bulk for Maturity) - Part 1

    4.01b Analytical Work (Molecular Chemistry for Allocation, Bulk for Maturity) - Part 2

    4.02 Sample Type Limitations of Production Allocation

    4.03 Analyzing Liquid Petroleum

    4.04 Methods of Production Allocation

    Chapter 5 - Production Allocation Examples in Tight Unconventional Reservoirs

    5.01a Identifying Fluid Types and Outliers - Part 1

    5.01b Identifying Fluid Types and Outliers - Part 2

    5.01c Identifying Fluid Types and Outliers - Part 3

    5.02a End Member Allocation - Part 1

    5.02b End Member Allocation - Part 2

    5.02c End Member Allocation - Part 3

    5.03a Montney Example - Part 1

    5.03b Montney Example - Part 2

    5.04 Diamondoids Case Study

    Chapter 6 - Data QC and Fluid Characterization Prior to Production Allocation

    6.01a Interpretive Process - Part 1

    6.01b Interpretive Process - Part 2

    6.01c Interpretive Process - Part 3

    6.01d Interpretive Process - Part 4