Insegnamento PETROLEUM GEOLOGY 1 - PETROPHYSICS AND WELL LOG INTERPRETATION
- Corso
- Geology for energy resources
- Codice insegnamento
- A002110
- Sede
- PERUGIA
- Curriculum
- Comune a tutti i curricula
- Docente
- Massimiliano Porreca
- Docenti
-
- Massimiliano Porreca
- Ore
- 52 ore - Massimiliano Porreca
- CFU
- 6
- Regolamento
- Coorte 2022
- Erogato
- 2023/24
- Attività
- Caratterizzante
- Ambito
- Discipline geologiche e paleontologiche
- Settore
- GEO/03
- Tipo insegnamento
- Obbligatorio (Required)
- Tipo attività
- Attività formativa monodisciplinare
- Lingua insegnamento
- INGLESE
- Contenuti
- Petrophysics and Well Log interpretation
1. Rock properties
General introduction on rock properties: permeability, porosity, density.
The distribution of porosity and permeability in sedimentary rocks
Factors influenced porosity and permeability: grain-size, grain shape, texture and fractures
Early and burial diagenesis products and their influence on porosity and permeability (compaction).
Basic concepts of petrophysics and interaction rock-fluids: fracture and matrix relations
2. Production geology – Pressure System
Basic definitions
Pore pressure and pressure regime
Origin and quality control of pressure data – Pressure evaluation
Origins of sub-normal pressure
Origins of abnormal Pressure
Pressure-temperature relationships
3. Rock properties measurements
Core vs. Log (scaling effects, overburden)
Vertical depth deviation (calculation of well deviation)
Wireline (open hole, cased hole)
while-drilling
Measurements of rock properties:
Rock evaluation (Well logging)
Lithological tools (caliper, gamma ray, potential SP, .... )
Porosity tools (density, neutron, sonic)
Resistivity tools (saturation: induction, galvanic)
Pressure measurements (fluid contacts OWC, permeability)
Calculation Methodology:
Volume shale calculation
Porosity
Water saturation (Archie)
Measurements of fluid/gas properties:
well test, pressure test, production monitoring
4. Fault and fracture analysis
Correlation and layering, faults, vertical and horizontal compartmentalization
Fault sealing analysis (FSA)
Fracture characterization
Fracture and fluid flow - Testi di riferimento
- Knut Bjørlykke (2010) Petroleum Geoscience: From Sedimentary environments to Rock Physics. Springer
Richard C. Selley (1998) Elements of Petroleum Geology (Second edition). AP
Jon Gluyas and Richard Swarbrick (2004) Petroleum Geoscience. Blackwell
Ellis, Singer (2007). Well Logging for Earth Scientists. Springer Science & Business Media - Obiettivi formativi
- Conoscenza delle principali caratteristiche petrofisiche delle rocce e dei sedimenti.
Capacità decisionale per la valutazione delle risorse petroliefere. - Prerequisiti
- Buona conoscenze di principi geologici e petrofisici.
Conoscenza di basi matematiche e fisiche. - Metodi didattici
- Lezioni frontali, esercizi pratici al computer e escursioni didattiche.
- Modalità di verifica dell'apprendimento
- Esercitazioni in aula ed esame finale.
- Programma esteso
- etrophysics and Well Log interpretation
(I Semester, A.Y. 2018-2019, II Year)
Dott. M. Porreca
(42 hours)
1. Rock properties
• General introduction on rock properties: permeability, porosity, density.
• The distribution of porosity and permeability in sedimentary rocks
• Factors influenced porosity and permeability: grain-size, grain shape, texture and fractures
• Early and burial diagenesis products and their influence on porosity and permeability (compaction).
• Basic concepts of petrophysics and interaction rock-fluids: fracture and matrix relations
2. Production geology – Pressure System
• Basic definitions
• Pore pressure and pressure regime
• Origin and quality control of pressure data – Pressure evaluation
• Origins of sub-normal pressure
• Origins of abnormal Pressure
• Pressure-temperature relationships
3. Rock properties measurements
• Core vs. Log (scaling effects, overburden)
• Vertical depth deviation (calculation of well deviation)
• Wireline (open hole, cased hole)
• while-drilling
• Measurements of rock properties:
• Rock evaluation (Well logging)
• Lithological tools (caliper, gamma ray, potential SP, .... )
• Porosity tools (density, neutron, sonic)
• Resistivity tools (saturation: induction, galvanic)
• Pressure measurements (fluid contacts OWC, permeability)
• Calculation Methodology:
• Volume shale calculation
• Porosity
• Water saturation (Archie)
• Measurements of fluid/gas properties:
• well test, pressure test, production monitoring
4. Fault and fracture analysis
• Correlation and layering, faults, vertical and horizontal compartmentalization
• Fault sealing analysis (FSA)
• Fracture characterization
• Fracture and fluid flow
Exercise with 2d and 3d modelling software (Move) • Workflow of a reservoir analysis using Move