2023/24 Taught Postgraduate Module Catalogue

SOEE5136M Geophysical Reservoir Evaluation

15 creditsClass Size: 40

Module manager: Sjoerd de Ridder
Email: S.Deridder@leeds.ac.uk

Taught: Semester 2 (Jan to Jun) View Timetable

Year running 2023/24

Pre-requisite qualifications

Course entrance pre-requisites

This module is not approved as an Elective

Module summary

The purpose of this module is to provide an understanding of rock mechanics and the sensitivity of seismic attributes to rock physical, petro-physical and fluid properties. New developments in seismic reservoir characterisation are also provided, with special attention to an overview of the fundamentals of time-lapse seismic technology, passive seismic monitoring, seismic geomechanics and seismic methods for low carbon, and carbon neutral, geotechnologies.

Objectives

Understand the use of rock physics models to assess variations in reservoir characteristics such as fluid saturation, lithology and pressure prediction. Use amplitude versus offset (AVO), impedance inversion and geostatistics in the analysis of hydrocarbon reservoirs; be aware of seismic methods for assessing fractured reservoirs via seismic anisotropy and converted-wave methodologies. Understand the reasons for and the techniques used for predicting pore pressure. Understand the principles of interpreting time-lapse (4D) seismic data for reservoir characterisation, understand the application of passive seismic data for reservoir.

Learning outcomes
The learning objectives are:
• Appreciate the principles of rock physics and rock physics templates for linking reservoir changes to seismic data.
• Evaluate how changes in fluids can be observed in pre-stack and post-stack seismic attributes
• Appraise seismic data for reservoir characterisation and fluid/lithology evaluation.

Syllabus

Seismic Reservoir Evaluation: use of rock physics models and Gassman's equation to understand the link between the petrophysical properties of reservoirs and seismic attributes. Describe the use of amplitude versus offset (AVO), acoustic and elastic impedance inversion, fracture analysis, seismic anisotropy and geostatistics in reservoir assessment. Study techniques for pressure prediction in a reservoir. Time-lapse (4D) seismic interpretation, saturation versus pressure signatures, seismic geomechanics.

Teaching methods

Delivery type	Number	Length hours	Student hours
Practicals	6	1.00	6.00
Lecture	24	1.00	24.00
Private study hours			120.00
Total Contact hours			30.00
Total hours (100hr per 10 credits)			150.00

Private study

Completion of practicals and assessments, computer exercises, literature search, reading text books, and revision for examination.

Opportunities for Formative Feedback

Assessment and feedback during practicals.

Methods of assessment

Coursework

Assessment type	Notes	% of formal assessment
Practical	Practical x 2	40.00
Total percentage (Assessment Coursework)		40.00

Re-sit is by examination only (see below)

Exams

Exam type	Exam duration	% of formal assessment
Standard exam (closed essays, MCQs etc)	2 hr 00 mins	60.00
Total percentage (Assessment Exams)		60.00

A student who fails this Module may be offered a resit. The re-sit for this module will be a single unseen examination, of duration 2 hours, covering the same content, covering all Module Learning Outcomes. It will not necessarily be of the same format as the original examination. If the re-sit is granted as a new first attempt, the original examination mark will be discarded, and replaced by the re-sit examination mark even if it is lower. It will then be aggregated with the first-attempt coursework to provide a new Module mark. If the re-sit is a second and final attempt, the re-sit mark provides a new alternative mark for the whole Module and will be capped at 50%.

Reading list

The reading list is available from the Library website

Last updated: 10/05/2023 16:29:08

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