Last modified: 22 May 2019 17:07
This course looks at the tools available to analyse the lithology and fluid content of a reservoir and how petrophysicists work with other discipline to estimate e hydrocarbon volumes in the subsurface. The course identifies the multiple data sources required for reservoir evaluation, emphasising integration of all available data, potential sources of error and uncertainty within the data. It shows how to relate wireline data to core; gives a solid grounding in the acquisition and evaluation of routine (RCA) and special (SCAL) core analysis datasets; and teaches how to apply these principles to a fully computerised formation evaluation workflow
| Study Type | Postgraduate | Level | 5 |
|---|---|---|---|
| Term | First Term | Credit Points | 15 credits (7.5 ECTS credits) |
| Campus | None. | Sustained Study | No |
| Co-ordinators |
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- Formative evaluation, sampling and testing
- Understand scale of core, logs, wells, seismic in relation to the reservoir
- Petrophysics definition and contribution to formation evaluation
- The nature, origin and properties of reservoir rocks including the main petrophysical paramenters, porosity, permeability and water saturation
- Definitions of gross and net reservoir intervals and calibration to core
- Introduction to coring and the associated core analysis data
- Understanding the borehole environment
- Mud log data, introduction and interpretation
- Evolution of logging tool technology, methods of conveyance and depth measurement
- Borehole quality and the caliper log
- Formation evaluation data, principles of tool measurement and applications including gamma ray, SP log, porosity logs, resistivity and formation pressure
- Planning data acquisition programmes
- Use of log header information
- Depth control and validity
- Log quality assurance for standard formation evaluation tool set
- Capilliary distribution of fluids, free water level and fluid contacts
- Quick-look interpretation work flow through lithology recognition, reservoir/non-reservoir discrimination, fluid types and contacts, porosity estimation, formation water resistivity, water saturation, net reservoir and net pay.
- Computerised quick look petrophysics
- reservoir quality controls and rock typing methods
- Core calibration of porosity and water saturation
- Mineral volume methods
- Shaly sand analysis
- Interpretation in thin beds
- Advanced logging tool interpretation techniques
Information on contact teaching time is available from the course guide.
one two hour written examination (30%) and continuous assessment (70%)
There are no assessments for this course.
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