... Abstract Numerical stability and precision are required when using simulations to predict Enhanced Oil Recovery processes and these can be difficult to achieve for Low Salinity Water Flooding (LSWF). In this paper we investigate the conditions that lead to numerical instabilities when...

... technology continuity polymer flooding flooding reservoir oilfield development Daqing Oilfield injection society of petroleum engineers measurement range precision connectivity perforation water flooding injection well surveillance production well exploitation dynamic monitoring technology...

.... Especially for the battery-powered metering system, low power consumption is necessary for flowmeter. The Swing-rod flowmeter presents excellent performance, the working pressure can reach 70Mpa, range ratio is 30, the minimum flow measurement is 0.5m 3 /day, and measurement precision is 3%. The advantages...

... caused by working fluid in the major water-intake formation. Requirement for precision During the field-testing, retesting was conducted in order to ensure the reliability of the testing instruments after normal and abnormal field-testing. Through calculation, it was proved that the measurement...

... of CHFR logging are discussed. Guidelines for future CHFR jobs are presented. accuracy oil reservoir centralizer calibration chfr job reservoir investigation chfr measurement formation resistivity cement log analysis chfr resistivity measurement chfr log open-hole log precision ohmm...

... at the present age, it should have a widely and excellent prospect of application. upstream oil & gas stable isotope tracer water drive tracer test analysis interpretation numerical simulation tracer precision shortcoming chemical tracer numerical method microelement tracer artificial...

..., firstly by full-spectrum inelastic spectroscopy (3) and secondly by applying a broad window across the carbon and oxygen peaks in the inelastic spectrum. During processing, the more accurate spectral processing answer is combined with the less accurate but more precise windows ratio, using an alpha...

... the much smaller tool size. Table 1 Summary of logging speeds to achieve 10 s.u. precision for S o and S w in a 10-in. borehole with 7.0-in., 23 -lbm/ft casing using 21 level (10.5 ft) alpha processing for the RST tool. In all cases a 5-level (2.5-ft) filter is used. Well temperature is assumed...