
Applied Reservoir Engineering  RE  Virtual, Blended Delivery 
Discipline: Reservoir Engineering
Level: Foundation
Duration: 1 days
Instructor(s): Richard Henry, Mohan Kelkar 
This workshop will be delivered virtually through PetroAcademy. Each PetroAcademy offering integrates multiple learning activities, such as reading assignments, selfpaced eLearning, virtual instructorled sessions, discussion forums, group exercises, case studies, quizzes, field trips, and experiential activities.
Activities include 32 hours of instructorled, virtual training sessions, plus approximately 88 hours of selfpaced work.
See detailed schedule and PetroAcademy details.
See demo of online learning and instructorled modules.
The Applied Reservoir Engineering Blended Program represents the core of the PetroSkills reservoir engineering program and the foundation for all future studies in the subject. Numerous engineering practices are covered, ranging from fluid and rock properties to simulation and field development planning. Reservoir engineering is presented in the context of a modern, multidisciplinary team effort using supporting computer technology. 
Designed For:
Engineers or geoscientists performing reservoir engineering tasks for their asset team 
You Will Learn:
THIS IS RESERVOIR ENGINEERING
 About the Principal Tasks and Tools of a Reservoir Engineer, and how this course is organized to cover these topics
RESERVOIR ROCK PROPERTIES
 Different types of rocks
 Primary rock properties from a reservoir engineering point of view
 How rock properties are measured
 How rock property values are interpolated/extrapolated throughout the reservoir
RESERVOIR ROCK PROPERTIES FUNDAMENTALS
 Describe the concept of fluid contacts
 Describe how saturations change when crossing contacts
 Describe wettability
 Describe interfacial tension
 Describe how residual oil saturation is controlled by the interplay of different forces
 Define capillary pressure
 Explain how capillary pressure is a combination of several related phenomena
 Describe how capillary pressure can be used to explain macroscopic reservoir phenomena
 Show how collecting capillary pressure data can actually save money
 Discuss the various choices available for measuring relative permeability and capillary pressure in the laboratory
 Show how reservoir engineers model relative permeability and capillary pressure
 Describe how reservoir engineers define saturations
 Apply concepts discussed in the module to build relative permeability and capillary data datasets
RESERVOIR FLUID
 Describe how fluids change in response to changes in pressure and temperature
 Define the engineering properties of reservoir fluids
 Describe the makeup of reservoir fluids
 Describe how fluids are sampled
 Describe how fluid properties are measured in the laboratory
RESERVOIR FLUID FUNDAMENTALS You will learn how to calculate fluid properties needed for:
 Volumetrics
 Material Balance
 Fluid Flow using Darcy's Law
 Pressure Transient Analysis
 Rate Transient Analysis
 Fluid Displacement
 Many other types of analysis
RESERVOIR FLOW PROPERTIES
 Explain the origin of Darcy's law and how it evolved
 State the difference between gravity and the pressure gradients, and how they play a role in determining the rate of which fluid could flow in the porous medium
 Identify the differences between the equations of Linear versus radial flow when calculating the flow
 Explain how do heterogeneities affect the flow in porous medium, and how Darcy's law can be applied to homogenize to calculate effective permeability
 Differentiate between oil and gas flow
 Apply Darcy's law to gas and oil
 Calculate the amount of fluid that is flowing when you have single cell phase vs single phase oil
 Describe the Importance of nonDarcy effect on well performance
 Apply Darcy's law when calculating the rate of the of oil and gas well
 Identify the differences between layers in parallel and layers in series
 Discuss the effective permeability of both layers in parallel and layers in series
 State limitations of Darcy's law
 Assess the differences between gas and oil reservoirs
 Describe the effect of nonDarcy flow
RESERVOIR FLOW PROPERTIES FUNDAMENTALS
 Apply Darcy's law for radial flows
 Differentiate between oil and gas flows
 Solve simple problems for radial flow across porous medium
 Define and calculate productivity index
 Predict the inflow performance relationship for oil and gas wells
 Calculate the flow rate under different flow regimes
 Understand why productivity index changes for transient flow
 Calculate the flow rates for both oil wells and gas wells
 Understand the difference between boundary pressure and average pressure
 Understand the application of both pseudoreal pressure and pressure squared methods for gas wells in calculating the rates
 Evaluate the end of transient and the beginning of pseudosteady state flows for circular as well as noncircular reservoirs
 Understand the importance of vertically fractured and horizontal wells
 Calculate the rates and productivity indices for vertically fractured and horizontal wells using the concept of effective well bore radius
 Understand different flow regimes encountered by vertically fractured and horizontal wells
 Evaluate efficacy of horizontal wells and compare the performance to vertically fractured wells
 Calculate the effective permeability for parallel layers and layers in series
 Evaluate the difference under linear and radial flows
 Calculate the value of skin factor using damaged zone permeability
 Evaluate the performance of a well in the presence of skin factor
 Evaluate the performance of the well with limited amount of production data
 Understand the conditions under which nonDarcy flow is important
 Evaluate the performance of gas wells in the presence of nonDarcy flow using both pressure squared and pseudopressure equations
 Understand the concept multirate test and why it is important
 Evaluate the oil well performance when the well is producing below bubble point
 Analyze and solve basic and advanced level problems
RESERVOIR MATERIAL BALANCE
 Describe the purpose of the material balance technique to estimate the initial hydrocarbons in place
 Differentiate between volumetric analysis and material balance technique
 State the basic principle of material balance analysis
 Describe the principles behind material balance equation
 Identify the data that is needed to apply the material balance equation and the uncertainties associated with collecting such data
 Identify the purpose of the modified black oil model in material balance equation
 State the assumptions involved in applying the material balance equation
 Identify the limitations of material balance technique
 Develop the material balance equations from the first principle
 Identify and explain the different mechanisms influencing the production of hydrocarbons and how they are incorporated in the material balance equation
 Understand the necessary equations to be used depending on the type of reservoir from which hydrocarbons produce
 Develop appropriate equations for dry gas, wet gas, condensate, volatile oil and black oil reservoirs
 Describe modifications of material balance equations to estimate the initial oil and gas in place
 Explain the Havlena and Odeh method and the appropriate way to linearize the material balance equations
 Express the importance of water influx and how to detect the presence of aquifer based on production data
 Recognize the uncertainties associated with predicting the water influx as a function of time
RESERVOIR MATERIAL BALANCE FUNDAMENTALS
 Calculate volumetric estimates
 Adjust volumetric estimates for transition zones and calculate recovery factors
 Perform material balance analysis
 Leverage straightline expressions of material balance equations to analyze both oil and gas reservoirs
DECLINE CURVE ANALYSIS AND EMPIRICAL APPROACHES
 Perform Basic Statistics
 Calculate Decline Curve Analysis
 Estimate Recovery Factors
DECLINE CURVE ANALYSIS AND EMPIRICAL APPROACHES FUNDAMENTALS
 This module describes the application statistical methods to solve reservoir engineering challenges. The emphasis will be on decline curve analysis and curve fitting measured data such as relative permeability.
RESERVES AND RESOURCES
 The importance of integration with other disciplines
 Calculations using the volumetric formulas for gas and oil
 The importance of dividing into flow units for dynamic reserves in reservoir simulation
 Reserves management: what it is and how to do it
 The Reservoir Engineer's input to reserves and resources (R & R)
 How a Geoscientist and Reservoir Engineer work together on reserves
 The risk and uncertainty that drive reserves
 Other nontechnical factors that influence R & R
 The standardized process between reserve estimates
 The ethical basis underlying R & R estimations
PRESSURE TRANSIENT ANALYSIS
 Pressure transient analysis concepts, terminology, equations and objectives
 Pressure transient analysis in buildup and drawdown tests
 Time period analysis  challenges and objectives
 Semilog and loglog analysis
RATE TRANSIENT ANALYSIS
 Describe the relationship between 'rate transient analysis' and 'pressure transient analysis'
 Describe the situations under which rate transient analysis would be preferred to pressure transient analysis
RESERVOIR FLUID DISPLACEMENT
 Fluid displacement as immiscible, linear, and vertical (overcoming gravity)
 Dispersed and segregated flow
 Aquifers models
 Coning in oil/water systems, including when it is most likely to occur, and how to prevent it
RESERVOIR FLUID DISPLACEMENT FUNDAMENTALS
 Model aquifers using analytical expressions
 Calculate mobility ratios, heterogeneity indices and sweep efficiencies
 Calculate the movement of flood fronts through the reservoir
 Plot saturation vs. distance plots
 Calculate how concentrations change spatially
ENHANCED OIL RECOVERY
 Discusses the modification of rock and fluid properties in tertiary recovery
 Describes (at a high level) the range of secondary and tertiary recovery techniques currently available (and relates them back to rock & fluid properties)
IMPROVED OIL RECOVERY Waterflood types:
 Patterns vs. peripheral
 Above vs. below bubble point pressure
 Above vs. below fracture pressure
 High vs. low reserves to producing ratios
 Normal vs. enhanced
 Onshore vs. offshore
Waterflood operations:
 Modeling the reservoir
 Monitoring injectors
 Monitoring patterns
 Water quality
RESERVOIR SIMULATION
 Describe the physical basis, use and limitations of reservoir simulation models
 Describe the kind of data required to perform a simulation study
 Describe the issues and requirements for making rate and recoverable predictions for both unconventional reservoirs (UC) and heavyoil reservoirs (HO) with simulation tools (UC)
RESERVOIR SURVEILLANCE
 Explain that collecting data has value and cost
 Describe the different kinds of errors that appear during a measurement event
 Describe the kinds of measurements which can be used to monitor producing wells, injecting wells, and the relationships between wells
 Outline the use of data integration methods
 Describe the difference between 'datadriven' and 'modeldriven' reservoir surveillance
RESERVOIR SURVEILLANCE FUNDAMENTALS
 Calculate the value of a particular type of data to your asset
 Calculate how the value of a particular type of data varies with the frequency of collection and the quality of the measurement
 Use the analysis of measurement data to identify reservoir and well problems
 Apply data integration methods, such as montages
 Integrate surveillance data with forecasting methods
RESERVOIR MANAGEMENT
 Retain flexibility in reservoir management without giving up key principles for depletion
 Build flow units critical to reservoir management of an asset
 Describe how the value of an asset is defined
 Explain the roles of risk and uncertainty in that valuation
 Evaluate vertical equilibrium and nocrossflow, and how to get the most out of each through integrated technologies from multiple disciplines
RESERVOIR MANAGEMENT FUNDAMENTALS
 Manage reservoir uncertainties throughout phases of field maturity
 Identify the geologic and reservoir parameters that make an opportunity, and the capture techniques to the particularities of that opportunity
 Conduct analysis to determine the most appropriate injectant, including EOR techniques (if any) for a particular reservoir situation
 Apply types of wells to the appropriate geology
 Adjust and adapt the reservoir management plan for each new phase of field life

Course Content:
 Reservoir fluid
 Reservoir rock properties
 Reservoir statistical analysis
 Interphase properties
 Reservoir flow properties
 Improved properties
 Reservoir fluid displacement
 Pressure transient analysis
 Reservoir material balance
 Rate transient analysis
 Reservoir simulation
 Reservoir surveillance
 Reservoir recovery analysis
 Reservoir management
 Reserves and resources

Instructors:
MR. RICHARD HENRY has ten years management experience of multidisciplinary teams including construction projects, JIT manufacturing, and (petroleum) field audits. He has twentyfive years reservoir engineering experience including simulation, field management and reserves determination, and forty years' experience in programming, software engineering, and information technology. He holds a BSc Industrial Engineering (Honors, 1987) and a MSc in Petroleum Engineering (1997) from the University of the West Indies, St. Augustine, Trinidad. He is a graduate of Texaco's elite (30 candidates selected worldwide) and intensive (6 month) reservoir management training program (1998).
DR. MOHAN G. KELKAR is a professor of petroleum engineering at the University of Tulsa in Tulsa, Oklahoma. His main research interests include reservoir characterization, production optimization, and risk analysis. He is involved in several research projects, which are partially funded by various national and international oil companies, the US Department of Energy, and Oklahoma Center for Advancement of Science and Technology. He has taught various short courses for many oil companies in Canada, Indonesia, Singapore, Nigeria, Kuwait, Abu Dhabi, Scotland, India, Denmark and across the United States. He has been a consultant to many oil companies, as well as to the United Nations. He received a B.S. in Chemical Engineering from the University of Bombay, an M.S. in Petroleum Engineering and a Ph.D. in Chemical Engineering from the University of Pittsburgh, and a J.D. from the University of Tulsa.
InHouse Course Presentations
All courses are available for inhouse presentation to individual organizations. Inhouse courses may be structured the same as the public versions or tailored to meet your requirements. Special courses on virtually any petroleumrelated subject can be arranged specifically for inhouse presentation. For further information, contact our InHouse Training Coordinator at one of the
numbers listed below.
Telephone 1 832 426 1234
Facsimile 1 832 426 1244
EMail inhouse@petroskills.com
Public Course Presentations
How to contact PetroSkills:
18008215933 tollfree in North America or
Telephone 19188282500
Facsimile 19188282580
EMail registrations@petroskills.com
Internet www.petroskills.com
Address P.O. Box 35448, Tulsa, Oklahoma 741530448, U.S.A
