Dipmeter Surveys in Petroleum Exploration

Dipmeter Surveys in Petroleum Exploration

by Madhusadan Patil

Hardcover

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Product Details

ISBN-13: 9781138626539
Publisher: Taylor & Francis
Publication date: 12/27/2016
Pages: 142
Product dimensions: 8.50(w) x 11.00(h) x (d)

About the Author

Madhusudan Patil holds a Ph.D degree in Geology from Nagpur University and postgraduate diploma in "Arial Photo‐Interpretation as applied to Geology" from Indian Institute of Arial Photo‐Interpretation, Survey of India, Dehradun. He has varied experience in the field of "Petroleum Exploration" and teaching. He worked in various capacities in ONGCL, Deharadun (India) and as "Inginieur Geologue" in Sector "Erg Oriental" of "SONATRACH" Oil Company of Algeria for two years. Apart from this, he worked as consulting "Petroleum Exploration Geologist" to various oil companies operating particularly in Gujrat State of India. He worked extensively on interpretation of Arial photographs and Dipmeters. This book is a result of his practical experience in the Dipmeter interpretation which he did in most of the Companies/Organizations he worked.

Table of Contents

GENERALITIES

Dipmeter surveys

Introduction

The Dipmeter tool

Types of tools

Dip Computation

Introduction

Methodology

Presentation of dip-data

Kinds of dips

Structural dip determination

Dip & the bore-hole drift

Structural dips-difficult environments

Structural dip deletion

Dip Groups & their Mega-Patterns

Mega Patterns

STRUCTURAL & TEXTURAL INTERPRETATION

Structural interpretation

Introduction

Use of dipmeter and FMI (image) tools in structural interpretation

Information required for structural analysis of dip-data

Statistical Study of the dip-data

Stereographic Projections

Stereographic representation of structural elements

Methods of dip data interpretation

Folds sedimentary

Introduction

Recogintion of folds from the tadpole plot

Salt and shale domes

Faults

Introduction

Recognition of faults from the tadpole plot

Exact depth of the fault

Normal faults

Growth fault

Reverse fault

Structural cross-section from a single dipmeter log

Fractures

Introduction

Detection of fractures by

Unconformity

Texture of the rocks

Introduction

Texture

Well logging approach for determination of textural parameters

Detrital rock texture

Carbonate rock texture

Porosity

Automatic extraction of textural information

Sedimentary Rock-Structures

Introduction

Primary sedimentary structures

Secondary sedimentary structures

Bed description

Stratigraphic interpretation

Stratigraphic interpretation

Introduction

System for classification of depositional environments

Siliciclastic continental deposits

Reservoir Characterstics

Fluvial System

Introduction

Alluvial cones and fans

Reservoir Characterstics

Fluvial Channel Deposits

Meandering Channels

Straight Channels

Basic steps in interpreting fluvial channels

Deltas

Introduction

Major depositional regimes of delta system

Kinds of deltas

Characteristics of sand deposits

Inter-Deltaic environments

Introduction

Morphological features of different types of coasts

Dip Trends

Geomorphic Zones of an off-shore shelf

Carbonate sediments, reefs and other buried topography

Introduction

Carbonates

Reefs and other buried topography

Top of the buried feature from dip-log

Recognition of reef talus from the dip-log

Dips due to solution of surrounding salts

Dips produced as a result of

Dip of the reef

Unconformity traps

Estimation of compaction

Compaction features

Continental shelf sands

Introduction

Shelf sand deposits

Deep water deposition

Introduction

Mechanism of sedimentation

Deep sea depositional models

Classification of sub-marine fans

Controls on deep sea sedimentation

Litho-facies and sequence of sub-marine fans

Facies associations

Well logs

Petroleum geology of deep sea sands

Dip Scatter as an Environmental indicator

Introduction

Inner neretic zone

Middle neretic zone

Outer neretic zone

Continental slope

Abyssal range

Dip scatter due to sea level changes

Pre-requisites & Rules for Interpretation of DipMeter data

Practical examples

References and Bibliography

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