Measurement and correlation of conditions for entrapment and mobilization of residual oil. First annual report

Technical Report · Wed Sep 01 04:00:00 EDT 1982

DOI:https://doi.org/10.2172/6875885· OSTI ID:6875885

Morrow, N R

Substantial progress has been made in four major task areas. The first task is to establish the limits of reliability of laboratory waterflooding as an evaluation tool. Wettability is identified as a key variable. Work is being extended to wetting properties of crude oils and core flooding. The second task concerns the effects of high capillary number flows on trapping phenomena and residual oil saturation. Correlations of capillary number and relative permeability behavior at reduced residual saturations have been developed for displacement in sandstones. The third task deals with mechanisms of mobilization and entrapment of residual oil. Detailed accounts have recently been presented of work on relative permeability at reduced residual oil saturations and for factors which affect the magnitude and distribution of residual oil. Work on the fourth task concerns the detailed structure of residual oil. The size distribution of residual oil blobs, obtained under various displacement conditions, is being measured by various size-analysis methods.

• Research Organization: New Mexico Inst. of Mining and Technology, Socorro (USA). New Mexico Petroleum Recovery Research Center
• DOE Contract Number: AS19-80BC10310
• OSTI ID: 6875885
• Report Number(s): DOE/BC/10310-20; ON: DE83001228
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
CAPILLARY FLOW
ENERGY SOURCES
ENHANCED RECOVERY
FLUID FLOW
FLUID INJECTION
FOSSIL FUELS
FUELS
GEOLOGIC TRAPS
MISCIBLE-PHASE DISPLACEMENT
OIL SATURATION
OIL WELLS
PETROLEUM
RECOVERY
RESEARCH PROGRAMS
RESIDUAL PETROLEUM
ROCKS
SANDSTONES
SATURATION
SEDIMENTARY ROCKS
STRUCTURAL CHEMICAL ANALYSIS
WATERFLOODING
WELLS
WETTABILITY