Operations Geology Fundamental knowledge to meet the modern demands in well planning, well execution, and well finalization.
OBJECTIVES :
• CONDUCT the geological planning for a well including risk analysis, formation pressure forecasting and data acquisitions programs
• MANAGE contractor activities and maintain quality control on data acquisition and operations
• MONITOR execution of the phase of a well, make informed decisions, and manage data, and advise on coring and wireline logging actitivities
• ORGANIZE end of well activities including reporting, lessons learned meetings and final data distribution
OVERVIEW
Operations Geology include duties and responsibilities with respect to data management, well planning, subsurface hazard identification and mitigation, contractor selection and management, HSE, data acquisition planning. During the well execution phase, monitoring of coring, wireline logging, geosteering, and pore pressure evaluation. Post well duties including end of well reporting, data distribution and archiving.
The Operations Geologist Skill sets
Be able to conduct the geological planning for a well including risk analysis, formation pressure forecasting, and data acquisition programs.
Be able to monitor the execution phase of the well , make informed decisions, manage data, and advise on coring and wireline logging activities
Be able to manage end of well activities including reporting, lesson learned meetings, and final data distribution.
Well Planning
1. Overview of Well Planning
2. Importance of Minimizing Non-Productive Time (NPT)
3. Understanding the Prospect
4. Offset Well Data Acquisition and Interpretation
5. Detailed Risk Assessment and Presentation of Risk
Well Planning procedure
1. Required Documentation
2. Data Acquisition Program (Wireline vs LWD)
3. IT and Communications
4. Well AFE (Authorization for Expenditure)
5. Permitting
6. Pre-Well Meetings and Finalization
Data Management, Contracting, Coring, & Sidewall Coring
Data Management
• Growth of Operations Geology Data
• Types of Data
• Use of File Naming Conventions and Directory Structure
Contracting and Contractor Quality Assurance
• Types of Contractors
• General Contracting Process
• Quality Assurance of Contractors
Coring and Sidewall Coring
• Processing of Coring and Sidewall Coring
• Core Analysis Overview
• Picking Core Points
• Picking Side Wall Core Points
Geosterring & ERD, Introduction to Formation Pressures
Geosteering and ERD
• Extended Reach Drilling (ERD)
• Operations Geology and Geosteering
Introduction to Formation Pressures and Definition of Terms
• Why is it important?
• Definition of Terms
• Units of Measurement
• Fluid Pressures
Overview of Earth Stress
• Fracturing and Borehole Break-out
Overburden Pressures and Overburden Gradients (OBG)
• Definitions
• Methods of Calculation
• Formation Density
Evaluation of Formation Pressure While Using Wellsite Data
Wellsite Formation Pressure Evaluation
• Introduction and Overview
• Fundamental Aspects
Quantitative Analysis Methods
• Ratio Method
• Equivalent Depth or Matrix Stress Methods
• Eaton Method
• Common Problems
• What method should be used?
Direct Pressure Measurements
• Influxes and Kicks
• Wireline and LWD Pressure Measurements
• Drill Stem Tests
Fracture Pressure Measurements
• LOTs and FITs
• LOT Plots and Diagnosis
• Mud Losses and Lost Circulation
• Wellbore Strengthening
Indirect Pressure Indicators
• Introduction
• Drilling Indicators and DXC
• Shale Characteristics
• Hole Conditions
• Cuttings and Cavings Analysis
• Gas Event Monitoring
• Geothermal Gradient/Temperature
• Mud Resistivity/Conductivity
Good Evaluation Practices
Post Well Evaluation
Course Round-up and Finalization
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