Investigation of the Conditions Required for Improved Oil Recovery by an Earthquake
- Takaaki Uetani (INPEX Corporation) | Toshifumi Matsuoka (Kyoto University) | Hiromi Honda (Kyoto University)
- Document ID
- Society of Petroleum Engineers
- SPE Production & Operations
- Publication Date
- August 2016
- Document Type
- Journal Paper
- 219 - 227
- 2016.Society of Petroleum Engineers
- improved oil recovery, asphaltene, earthquake
- 2 in the last 30 days
- 212 since 2007
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This study aims to clarify a phenomenological relationship between earthquakes and temporarily improved oil recovery for a small oil field located in a seismically active region of Japan. Our study concludes that the conditions required for an earthquake to temporarily improve oil recovery in this field are as follows:
- An earthquake with a seismic intensity of at least 3 hits the well.
- The well experiences a decline in productivity, with a flowing wellhead pressure of less than 690 kPaa (100 psia). The corresponding skin factor lies within the range of 18 to 40.
- The well is producing oil from a reservoir.
|File Size||1 MB||Number of Pages||9|
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