Petrophysics in Unconventional Reservoir
Unconventional oil is petroleum produced or extracted using techniques other than the conventional (oil well) method.
- Level
- Intermediate
- Type
- Course
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About Training
Unconventional oil is petroleum produced or extracted using techniques other than the conventional (oil well) method. Oil industries and governments across the globe are investing in unconventional oil sources due to the increasing scarcity of conventional oil reserves.
While conventional natural gas streams from the earth relatively easily, unconventional gas finds are more difficult to develop and more costly to produce. As technologies and skills improve, unconventional gas is a variable concept because some finds may become more easily or economically produced over time, no longer making them unconventional. Right now, there are six main types of unconventional gas, including deep gas, gas-containing shales, coalbed methane, geopressurized zones, Arctic and subsea hydrates, and tight gas.
Petrophysics is central to the integration of a wide spectrum of related geoscience and engineering disciplines. The course will cover the petrophysical approaches to the evaluation of Shale Oil, Tight Gas Sands, and Shale Gas reservoirs using wireline logging & log analysis, coring & core analysis, petrophysics, geophysics, geochemistry, rock mechanics, and reserve estimation. Attendees will learn basic interpretation procedures to determine porosity, hydrocarbon saturation, TOC, volumes of in-place hydrocarbons, recoverable hydrocarbon estimates.
Training Objectives
- Learn overview of all unconventional reservoir types
- Understand geology of tight gas
- Knowledge on gas extraction concept
- Geochemistry of unconventional resources
- Assessment of Total Organic Content (TOC)
- Learn special coring and core analysis techniques
- Know wireline and mud logging of unconventional reservoirs
- Approaches to get petrophysical parameters and their calculations
- Know how to get gas-in-place and reserve and flow potential estimates
- Understand geomechanics and fracturing
Audiences
The course is designed for petrophysicists, geoscientists, geochemists, geo technicians, geo modelers and other disciplines such as geologists, geophysicists and reservoir, petroleum and drilling engineers whose job requires more knowledge and are involved with the evaluation and exploitation of all types of unconventional reservoirs.
Instructor
Mourad B. Wassef
Mourad B. Wassef is a geologist and petrophysicist with over 23 years of experience in oil and gas exploration, development, and training. His principal areas of expertise are petrophysics, petroleum geology of carbonate and clastic reservoirs, Electric logging as well as Production logging interpretation. He handled several exploration services including Shale Gas and Oil in Jordan. Mourad received his BS degree in Geology from Cairo University of Egypt. After a long career with Core Laboratories, he founded Petromina Energy Group in 2000.
Along his career Mourad assumed several roles as Petroleum Geology Consultant for Austin, TX, USA based GLG in Cairo and MB Petroleum in Sultanate of Oman. He served as Operations Chief Officer for Indusmin Energy, as well as Production Services Supervisor, Wellsite Geologist and Core analyst with Core Laboratories. He served as an instructor of various petroleum courses including Electric Open hole logging, Cased hole logging, Petrophysics, Overpressure detection, Petroleum systems and petroleum economics in Egypt, Syria, and Sultanate of Oman.
He issued more than 50 reports about Petroleum Geology and Upstream Oil industry in Africa (Angola, Djibouti, Egypt, Eritrea, Ethiopia, Gabon, Kenya, Madagascar, Mauritania, Mozambique, Namibia, Niger, Nigeria, Sudan, Tanzania, Tunisia) as well as in Brazil. His reports covered exploration and production services as well as Petroleum systems and asset evaluation in Egypt, Tunisia, Yemen, Thailand, Papua New Guinea, and Philippines.
Daily Aims
Day One - 27th October 2014
Overview of all unconventional reservoir types
- Deep Natural Gas
- Tight Natural Gas
- Shale Gas
- Oil Shales
- Coalbed Methane
- Geopressurized Zones
- Methane Hydrates
Geology and reserves of unconventional reservoirs in
- India
- China
- Australia
- New Zealand
- Indonesia
- Pakistan
Gas and Oil Extraction concept
- Fracking (Shale & tight gas)
- Pumping water out (CBM)
- Hydrocracking (Oil Shale)
- Organic material in Oil Shale
- Type of Production in each unconventional type
- Total Organic Content (TOC) basics, uses, determination
- Kerogen Maceral types and classification
- Van Krevelen diagram
- Thermal maturity - Vitrinite Reflectance
- Pyrolysis
- Oil Shale geochemistry and geochemical parameters
- S1, S2, S3 and Geochemical logs
Day Three - 29th October 2014
Special coring and core analysis techniques
- Fabrics, micro fabrics and micro cracks
- Core handling
- Retort and Dean Stark Fluid extraction measurements
- Porosity
- Permeability (Pressure decay & Pulse decay methods)
- Relative Permeability
- Capillary Pressure Measurements
- Basement fracture trends in basement reservoirs
Wireline in unconventional reservoirs
- Spectral Gamma ray
- Density log
- Sonic log
- Resistivity log
- Neutral log
- Oil Yield calculation (Spreadsheet will be provided)
Mud logging and gas ratio analysis (Haworth Ratios)
Day Four - 30th October 2014
Petrophysical Parameters and their calculation
- Shale volume calculation
- Porosity calculation
- Rw Calculation
- Water Saturation Calculation
- Permeability Calculation
- Lithology Calculation
- Pyrite correction
- Defining major fracture trends in basement reservoirs
- Comparison between conventional and unconventional reservoirs
Gas-in-place and reserve and flow potential estimates
- Arps empirical Model
- Log duration linear Flow
- Valko “Power Law” Model
- Duong model
Practical Exercises
Day Five- 31th October 2014
Geomechanics and fracturing
- Matrix behavior
- Stress sensitivity
- Rock Anisotropy and effect on wellbore stability
- Compressive Strength
- Low permeability
- Conventional vs. Unconventional Geomechanics
Fractured Basement reservoirs worldwide - distribution & evaluation
Application of Thermal modeling in unconventional resources
- Peak temperature of shale gas strata
- Is a shale strata would be a good resource for Oil or Gas extraction?
Case study:
- “Characteristics of continental oil shale and oil shale resources in China”
- “Fractured Basement Reservoirs in Vietnam”
Training Schedule
| Code | Start Date | End Date | Locations | Cost | Instructor |
|---|---|---|---|---|---|
| PST0215-201401 | Kuala Lumpur, Malaysia | SGD 5,995 | Mourad B. Wassef |
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