Module: 1

Introduction

What is an Operations and Wellsite Geologist?

Exploration and Drilling Programs – Risk assessment, regional analysis, pre-drill data acquisition.

Components of a prospect

Overview of Petroleum Geology

The Petroleum system – elements & processes

The Reservoir – Sedimentary Environments

The Trap – Structure & Stratigraphy

Mapping and Cross-Sections

Pore Systems and Flow Units

Reserves and Resources – classification and categories

Data Types and Management

Wireline Data – open and cased hole, testing, LWD and MWD

Mud Logging Data – geological, drilling, pressure

Core Data – whole core and sidewall core

Module 2

Drilling Operations

The drilling team – who does what?

Types of Drilling rigs

Rig Sub-systems – power, hoisting, rotary, circulating, well control

Drilling tools and components – including drilling fluid

Well control – kicks causes – basic calculations – safety equipment – kill methods

Well costs

Planning a Well

Well Design

Directional Drilling – methods and calculations

Geosteering

Module 3

Mud Logging

The Logging unit – components and functions

Services – monitoring, sampling, analysis

Cuttings analysis and description

The mud log

Safety considerations – monitoring, overpressure, downtime

Gas detection and analysis – types of gas – gas shows – equipment and methods

Coring and Core Analysis

Coring methods and equipment

Whole Core and Sidewall Core

Core handling and preservation

Basic calculations – core-log integration

Module 4

Pore Pressure and Wellbore Stability

Overburden and compaction

Pore pressure generation – estimation – normal and abnormal pressure

Detection from Seismic – pre-drill prediction

Stress and Strain – wellbore failure – lost circulation

Sampling – types and preservation

Quality control of acquired wellsite data

Wellsite Geologist Responsibilities

Wireline Logging Tools and Measurements

Review of basic logging tools for lithology, porosity, saturation

Resistivity and Invasion

Module 5

Wireline Log Interpretation

Basic concepts – quicklook workflow

Determination of lithology

Shale – calculation of shale volume – effects and corrections

Determination of porosity

Determination of water saturation – resistivity effects – formation water

Analysis techniques – crossplots

Cased Hole Logging

Production Monitoring and Reservoir Performance

Cement Bold Log Evaluation

Borehole Imaging

Dipmeter Principles

Dipmeter Interpretation