Formation Pressure Prediction & Evaluation Master formation pressure evaluation to facilitate effective well design & reduce drilling risks, NPT, and associated costs 17th AUGUST 2015-21st AUGUST 2015 at BALI, INDONESIA PetroSync Distinguished Instructor: TIM HERRETT Founder & Principal Consultant, Tim Herrett Ltd Over 35 years of experience in the Oil & Gas industry both in Operations Geology & Wellsite Operations He is a recognized expert in formation pressure evaluation in BP, ExxonMobil, and BG His major clients include Exxon Mobil and BP in Norway, Brazil, Turkey, and Egypt (since 2001) Worked on High Pressure & High Temperature wells for ExxonMobil & BP (since 2000) Authored Operations and Wellsite Geology procedure manuals for ExxonMobil Exploration, Development, and Production Companies in Norway and Houston Course Objectives Understand the different formation pressures - pore, fracture, and overburden pressure Relate the significance of earth stresses and relationship to formation pressure issues Calculate pressure gradients and apply to casing placements, formation pressure plotting, and equivalent mud weight plotting Determine how hydrocarbon generation and migration is influenced by formation pressure Master the evaluation and calculation of subsurface pressures through both quantitative and qualitative methods Learn how formation pressure are calculated using log and seismic data and industry standard algorithms Identify the critical data requirements for pore pressure prediction and evaluation Understand hazardous events of influxes and kicks during drilling operations Integrate subsurface data & drilling events, control data quality, identify non-pore pressure related hole problems, and understand the behavior of data before making any prediction analysis Specially Designed for The course is designed for those who want a deeper understanding in practical formation pressure evaluation and its application to wellsite operations. Wellsite Geologists Operations Geologists Well Planning Geologists Drilling Engineers LWD Engineers Mud Loggers Prerequisite: This course will assume that participants have at least a basic knowledge of wellsite geology practices and rig activities Supported by
Course Overview This course will provide a better understanding of pressure characteristics found in the subsurface. Delegates will be able to define the fundamentals of pore pressure, fracture pressure, and overburden pressure as well as earth stresses. This course will also cover the mechanism of how abnormal formation pressure is developed and its important relationship to the evaluation of hydrocarbon generation and migration. This course will focus on providing the methodologies and techniques available in evaluating formation pressure both qualitatively and quantitatively. Topics will include methods of pre-well prediction using seismic and basin modelling as well as evaluation using trend analysis techniques and pore pressure indicators. This will be supported with case studies and exercises throughout the sessions. Delegates will learn how to use an integrated approach to evaluation using subsurface data and drilling events to fully understand formation pressures. Course Content Day One: Formation Pressures Definition, Influences, Calculation Methods, Relation to Earth Stresses Overview of Formation Pressure Evaluation Formation Pressure Background - Fluid, Hydrostatic, and Pore Pressures - Pressure Gradients and Equivalent Mud Weights - Stress Definitions Exercises: Conversion of Pressure and Pressure Gradient Units Earth Stress Definition and Theory - Theory of Stresses - Borehole Stresses - Implications of Stress Imbalances - Wellbore Stability Analysis Overburden Pressures and Gradient - Methods of Calculation - Formation Density Exercises: Calculation of Overburden Gradient Fracture Pressures and Gradients - Influences on Fracture Pressure - Methods for Estimating Fracture Pressure Gradient - Techniques for Measuring Fracture Pressure - Borehole Breakout - Mud Losses and Loss Circulation - Fracture Pressure Gradient - Role in Well Planning Exercises: Calculation of Fracture Pressure Gradient using LOT data and for Casing Placement Plotting Formation Pressures - Pressure Plots - Equivalent Mud Weight Plot - Effect of Measurement Datum Other Formation Pressure Terminology - State of Balance - Static and Dynamic Densities - Swab and Surge IN-HOUSE SOLUTIONS SAVE COST IMPROVE PERFORMANCE REDUCE RISK PetroSync understands that in current economic climate, getting an excellent return on your training investment is critical. This training can be conducted exclusively for your organization. The training can be tailored to meet your specific needs at your preferred location and time. We will meet you anywhere around the globe. If you like to know more about this program, please contact +65 6415 4500 or email general@petrosync.com
Day Two: Pore Pressure Generation Mechanisms and Control on Distribution Syndepositional/Compaction Related - Primary Mechanisms - Undercompaction/Compaction Disequilibrium - Syntectonic - Chemical and Diagnetic Changes - Osmosis/Ionic Filtration Post Depositional/Non Compaction Related - Secondary Mechanisms - Pressure Charging and Transfer - Centroid Effect - Aquathermal - Structural/Tectonic - Role of Faulting - Hydrocarbon Generation and Cracking - Salt and Shale Diapirs - Hydrocarbon Buoyancy Exercises: Calculation of Fluid Densities, Hydrocarbon Densities, Buoyancy from MDT data Impact of Mechanism on Prediction and Evaluation: Seals, Cells, and Compartments - Introduction - Seals - Cells and Compartments - Seal Breach Hydrodynamics - Overview - Buhrig s Model - Potentiometric Surfaces and Tilted - Contacts Exercises: Application of Potentiometric Surfaces Day Three: Formation Pressure Evaluation (Part 1) Wellsite Formation Pressure Evaluation - Introduction and Overview - Fundamental Aspects Quantitative Analysis Method - Ratio Method - Equivalent Depth or Matrix Stress Method - Eaton Method - Common Problems - What method should be used? Curve Trend Analysis - Sonic Log or ITT - Resistivity/Conductivity - Density Exercise: Calculation of Pore Pressure from Sonic Log Pre-Well Pressure Prediction Methods - Seismic Methods - Basin Modeling Methods - Use of Offset Well Data - Error Bar Management Wireline and Logging While Drilling (LWD) - Using Log Data - Trend Line Set-Up Direct Pressure Measurements - Influxes and Kicks Case Study: Analysis of Kicks Indications Exercise: Evaluation of Problematic MDT Data - Wireline and LWD Pressure Exercise: Evaluation of Problematic MDT Data - Drill Stem Tests Fracture Pressure Measurements - LOTS and FITs - LOT Plots and diagnosis - Mud Losses / Lost Circulation - Background - Stresses - Wellbore Strengthening Case Study: LOT Plot Types
Day Four: Formation Pressure Evaluation (Part 2) Indirect Pressure Indicators : Drilling Indicators - Drilling Rate and Drilling Exponents - Using Drill Rate in While-Drilling - Evaluation Drilling Exponents Using The DXC Shale Characteristics - Shale Density - Shale Factor - Shale Resistivity Hole Conditions - Terms for Hole Conditions - Typical Hold Conditions with Increasing Pressure Trip Condition Log Non-Pore Pressure Related Hole Problems : Cuttings and Cavings - Cutting Size and Appearance - Pressure Cavings - Other Types of Cavings - Monitor Cuttings and Cavings Sizes Gas Relationships - Gas Terminology - Typical Gas Reactions - Underbalanced drilling - Connection Gas Uncertainty - 10-10-10 - Isolating Gas Events - Gas Ratios - Summary Exercise: Calculation of Pore Pressure from DXC and Using Background Gas & Gas Events Geothermal Gradient - Mud Temperature - Plotting the FLT Data Mud Chlorides Case Study: How we got a wrong evaluation (Diagnosis & Analysis) Other Support Tool - LWD Tool Drilling Measurements and PWD - Mud Flow In/Out and Pit Levels - Pump Pressure - Calcimetry Good Evaluation Practice Case Study: Unexpected Pore Pressure Increase Post Well Evaluations - End of Well Reporting Day Five: Prevention and Management of Influxes & Kicks Overview - What is an Influx? - Causes of Influxes? - Influences on Kick Severity - How do we stop an influx? How do we recognize an influx? - When do influxes occur? - Influx Detection by Operation - Actions on Detecting an Influx - Example of a Kick While Circulating Kick Evaluation - Initial Kick Evaluation - Other Required Data - Equations and Calculations Exercises: Calculation of Kill Density and Influx Type from Shut-In Pressures and Well Data Well Kill Processes - Description of Well Kill Methods - Complications - End of Kill Processes Geologists Roles in Kick Control - Wellsite Geologist - Operations Geologist - The Post Mortem Course Summary and Conclusion
Petrosync Distinguished Instructor TIM HERRETT Founder, Principal Consultant, Tim Herrett Ltd Tim has over 30 years experience as both a wellsite and operations geologist, specializing in pressure evaluation in High Pressure and High Temperature wells. Since 2000, he has worked on HPHT wells for ExxonMobil and BP for pore pressure projects and training manuals. He is the Founder and Principal Consultant of his own consulting firm, Tim Herrett Ltd, where he provides various services to upstream oil industry. He has been a wellsite and operations for over three decades now, and has gained expertise in wellsite data management. He is the author and presenter of renowned industry training courses worldwide on subjects including Wellsite Geology, Operations Geology, Formation Pressure, and Wellsite Data Management. He still periodically works in the field as a senior wellsite geologist specializing in pressure evaluation in deep, HTHP wells. He has previously provided major operations and wellsite support for ExxonMobil in Norway and Houston, and has written operations and wellsite geology procedures manuals for ExxonMobil Exploration, Development, and Production Companies. He has also worked for other operators including Petroleum Deminex, Amerada, Hess, StatOil, Fina, and Conoco. Before building his own consulting firm, Tim was with Cambrian Consultants for 13 years as a Senior Wellsite Geologist, Technical Director and Trainer, with responsibilities to IT infrastructure and technical training programs. He further designed and developed software for wellsite and office use which are now commercially used in the industry. Tim has been heavily involved in training throughout his career either on a one to one basis at the wellsite or presenting to classes. Over the last 15 years has written and presented a number of well-received courses on wellsite and operations geology and pore pressure evaluation to the oil industry. Tim is currently the principal presenter of BP s in-house Operations Geology course. He is also a part time lecturer in Wellsite/Operations Geology and Wellsite Data Management on the petroleum geoscience master s degree at the Universities of Manchester and Derby in the UK. MR. HERRETT S PARTIAL CLIENT LIST BP Exxon Talisman Energy UK Talisman Norge ENI PetroVietnam Petronas Nexen RuhrGas Conoco Phillips British Gas Deminex Amerada Hess RAG PROGRAM SCHEDULE 08:00 09:00 Registration (Day1) 09:00 11:00 Session I 11:00 11:15 Refreshment & Networking Session I 11:15 13:00 Session II 13:00 14:00 14:00 15:30 Lunch Session III 15:30 15:45 Refreshment & Networking Session II 15:45 17:00 Session IV 17:00 End of Day
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Promotion & discount cannot be combined with other promotional offers. * Important: Please note that registration without payment will incur a SGD 200 administration fee. 1st Delegate Name Direct Line Number: Job Title: Head of Department: 2nd Delegate Name Direct Line Number: Job Title: Head of Department: 3rd Delegate Name Direct Line Number: Job Title: COURSE DETAILS Title : FORMATION PRESSURE PREDICTION & EVALUATION Date : 17th - 21st August 2015 Location : Bali, Indonesia INVESTMENT PACKAGES Investment Packag Head of Department: DELEGATES DETAILS INVOICE DETAILS Mr Email: Department: Attention Invoice to: Direct Line Number: Fax: Company: Industry : Address: Postcode: Country: Email: Please note: - Indicate if you have already registered by Phone Fax Email Web - If you have not received an acknowledgement before the training, please call us to confirm your booking. 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