+44 (0) 118 982 0151
P1: Formation Pressure Evaluation
2023 Programme
3 Days | £2150+VAT per attendee
Course Aims
To familiarize delegates with the challenges of planning and drilling wells in a safe operating window to minimise Health and Safety Incidents and Non-Productive Time.
To provide practical instruction in pore pressure and fracture pressure prediction to produce PPFG plots.
​
Target Audience​
Wellsite Geologists, Operations Geologists, Reservoir and Development Geologists, Drilling Engineers, Mudloggers, LWD Engineers, Directional Drillers, Support Staff.
​
Delegates Will Learn:
-
How to calculate and plot normal hydrostatic pore pressure and overburden pressure
-
About the mechanisms that generate abnormal pore pressures
-
How to calculate fracture pressure from LOT data and mathematical models
-
How to produce PPFG plots from offset well data
Course Outline
Introduction
-
Well Planning Requirements
-
Safe Operating Window (PP-FG)
-
Pore Pressure prediction and detection
-
Wellbore Stability
-
Fracture Pressure
​
Pressure Concepts and Gradients
-
Definitions and Normal Pore Pressure
-
Overburden Pressure Calculations
-
Pressure Gradient Calculations
-
Fracture Pressure Estimations & Modelling
​
Abnormal Pressure
-
Causes of Abnormal Pore Pressure
-
Pore Pressure Estimates from:
Dxc, ROP, Mud-Gas relationships -
Petrophysics
-
Borehole Stability
​
Origin of Abnormal Pore Pressure
-
Compaction Disequilibrium
-
Aquathermal Processes
-
Clay Diagenesis
-
Stratigraphic Processes
-
Tectonic Processes
-
Fluid Expansion
​
Fracture Pressure & Well Planning
-
Evaluation of Rock Fracture Pressure:
-
Leak-Off Tests
-
Mathematical Modelling
-
Borehole Stability
-
Kick Tolerance
-
Well Control Procedures
-
Well Planning Issues
​
​
HP/HT Drilling: Definitions & Challenges
-
Definitions of HPHT
-
High Fluid Density
-
High Formation Temperature
-
Narrow Operating Windows
-
Managed Pressure Drilling
​
Formation Pressure Evaluation
-
Fundamentals
-
Hydrostatic Pressures
-
Pressure Gradients
-
Elevations and Datums
-
Formation Balance Gradient
-
RFT data and PZ plots
-
Overburden Pressure Gradient
-
Data Sources
-
Calculation methods
​
Practical Formation Pore Pressure Evaluation
-
Seismic Data
-
ROP and Dxc
-
Formation Gas Evaluation
-
Borehole Behaviour
-
Drilling Parameters
-
Drill Cuttings and Cavings
-
Geothermal Gradients
-
Wireline/MWD Data
​
Health, Safety, Security, Environment
-
Requirements and Well Planning
-
Recent Incidents
-
Operator Responsibilities
-
Individuals’ Responsibility
-
General Duty
Pore Pressure Methods
-
Trend Line Methods
-
Ratio
-
Eaton
-
Equivalent Depth
-
Unloading (Bowers)
​
Fracture Pressure Gradients
-
Leak-off Tests
-
Mathematical Modelling
-
High Angle well
​
