Unconventional reservoir development has significant challenges. The use of bottom hole pressure data can contribute greatly to knowledge of the reservoir and assist with well spacing and completion design decisions.
This talk will focus on two different areas: the utilization of multiple pressure gauges in horizontal wells and the benefits of RTA.
- Horizontal observation well with gauges spaced along the lateral
- Especially useful when multiple frac designs are implemented along the lateral in an offset well. Interference testing can provide initial communication as well as how each design’s resultant communication changes over time.
- Can identify differences along the lateral relating to geology and/or treatment effectiveness.
- Rate Transient Analysis has always been helpful in conventional reservoirs, but in unconventional reservoirs additional information can be extracted relating to early time rate forecasting and well/reservoir interaction.
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