Pressure transient analysis in poorly-consolidated reservoirs
Conference
·
· Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:6499536
This study uses a numerical solution technique to investigate the effect on well test data of sand accumulation in the wellbore from poorly consolidated reservoirs. The results show that in anisotropic reservoirs this sand column creates a pressure drop in the wellbore similar to that caused by infinitesimally thin skin around the wellbore. Log-log type curves and semilog plots of dimensionless pressure versus dimensionless time are presented in this paper for different cases. These graphs can be used to detect the presence of sand in the wellbore and to analyze the transient pressure data. Graphs for various cases are provided for use in determining the pseudoskin factors caused by the presence of a sand column in the wellbore. 14 refs.
- Research Organization:
- La Tech Univ, Ruston, USA
- OSTI ID:
- 6499536
- Report Number(s):
- CONF-811023-
- Conference Information:
- Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States)
- Country of Publication:
- United States
- Language:
- English
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