Cased-hole measurement of oil in place, San Joaquin Valley, California
Journal Article
·
· J. Pet. Technol.; (United States)
A log-inject-log (LIL) method was used to measure residual oil through casing in a reservoir with relatively fresh formation water. Water saturations calculated from pulsed-neutron-capture cross sections logged before and after injection of brine agree within about 10 saturation units (s.u.) with saturations previously measured from cores and from the electromagnetic propagation tool (EPT) run in openhole. Well completion and injection procedures were designed to achieve uniform injection without altering the unconsolidated sand containing liquids at low pressures. Residual oil in place (OIP) measured by cores, the EPT, and the LIL method represents saturation after thorough flushing by water. 15 refs.
- Research Organization:
- Chevron Oil Field Res Co, Calif, USA
- OSTI ID:
- 6822856
- Journal Information:
- J. Pet. Technol.; (United States), Journal Name: J. Pet. Technol.; (United States) Vol. 34:6; ISSN JPTJA
- Country of Publication:
- United States
- Language:
- English
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