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Keywords: pressure decline
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Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-127
... be reproduced using reasonable oil mobility and compressibility. The anomalous pressure responses below bubble point may attribute to non-thermodynamic equilibrium. Gas evolution from solution gas to free gas is time dependent. As a result, the expansion of reservoir fluid with pressure decline is...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-77
.... This pressure decline is mainly caused by chemical shrinkage of the cement. A low shrinkage will reduce the pressure decline and hence the risk of gas migration. A new and simple method for measurement of total chemical shrinkage at high temperatures has been developed. It has proved to be reliable...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-93
... pressure declines below the bubble-point that are evident in experimental data, especially at high initial gas-oil ratios. Second, bubble-point pressure must be estimated using the same correlations; there is no convenient way to impose a known bubble-point pressure - such as one derived from reservoir...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-03
... also be determined from a log-log plot of the bottom hole pressures versus one fourth-root of the shut-in time. However, due to the inconclusive nature of the transient pressure decline during shut-in, the log-log plot sometimes may exhibit multiple straight lines with inconsistent slopes, which makes...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-44
... to influence the shut-in pressure decline behavior of vertical fractures including: fluid injection rate, fluid theology, permeability, fluid leak-off additives, temperature, fluid compressibility, fluid pressure, minimum horizontal in-situ stress, and the opening of natural fractures. Interpretation...

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