SPE Production & Operations
Volume 25,
Number 4,
November 2010,
pp. 498-508
Summary
Microseismic monitoring in lenticular tight gas formations has a number of
challenging issues associated with both analysis and interpretation. The
heterogeneous nature of the reservoir and the typically small
microseismic-event amplitudes make it essential to understand the limits of
interpretation that should be applied in these reservoirs. With proper care,
fracture lengths and azimuth, along with zonal coverage, are readily
obtainable. However, fracture-height growth in these complex reservoirs needs
to be assessed carefully. Microseismic data provide a level of
self-quality-control potential through the use of a magnitude/distance
assessment to guide interpretation and design. Hydraulic fractures observed in
these reservoirs tend to be long, penetrating fractures that wander through the
distributed/sand lenses, with modest height growth in most projects.
© 2010. Society of Petroleum Engineers
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History
- Original manuscript received:
2 March 2010
- Meeting paper published:
24 February 2010
- Revised manuscript received:
7 May 2010
- Manuscript approved:
22 June 2010
- Published online:
21 October 2010
- Version of record:
17 November 2010
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