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Keywords: buildup test
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164525-MS
... for the different pressure behavior exhibited during a buildup. In doing so, the value of conducting a buildup test to assess the reservoir characteristics and completion effectiveness, is demonstrated. Two examples of actual buildup data obtained from MFHWs completed in unconventional reservoirs are presented...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-115001-MS
... procedure equation Drillstem Testing buildup test tight gas reservoir fracture shut-in time Upstream Oil & Gas natural fracture outer boundary reservoir permeability drillstem/well testing wellbore storage coefficient boundary effect dimensionless pressure Introduction (2) λ...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100540-MS
...-Darcy flow in reservoirs. Type curves are documented for both drawdown and buildup tests for the first time using the semi-analytical model proposed. It is observed that, when non-Darcy flow in reservoirs and/or across completions are considered, the dimensionless pressure derivative curves of drawdown...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75527-MS
... for calculating reservoir pressure from wellhead data was discovered. This method does not require any knowledge of cumulative production or initial reservoir pressure, but yields a result that can be within 5% of that measured by performing a buildup test. Advantages of this method include: Normal day-to-day...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 28–May 1, 1996
Paper Number: SPE-35597-MS
... flow and buildup test conducted during the original completion. The bottomhole pressures from each simulation were compared to the actual bottomhole pressures from the test (the actual production data are presented in Figure 1 ). Changes were then made to the permeability of the blocks within...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, January 22–24, 1991
Paper Number: SPE-21503-MS
...SPE Society of Petroleum Engineers SPE 21503 Interpreting Short-Term Buildup Tests From Low-Productivity Gas Wells Using Deconvolution J.L. Johnston and W.J. Lee, Texas A&M U. SPE Members Copyright 1991, Society of Petroleum Engineers, Inc. This paper was prepared for presentation at the SPE Gas...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 13–15, 1988
Paper Number: SPE-17707-MS
... principle as the isochronal flow test. Discussion The material balance equation for a gas reservoir where there is no water influx and rock and water expansion are negligible is as follows: (1) P. 35^ pressure data pressure reading society of petroleum engineers pressure buildup test...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 13–15, 1984
Paper Number: SPE-12845-MS
... Abstract Pre-fracture pressure buildup tests in tight gas formations can be extremely difficult to analyze correctly, particularly when large pressure drawdowns precede the shut-in period. A major source of difficulty is the wellbore storage coefficient, which changes continuously throughout...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 13–15, 1984
Paper Number: SPE-12872-MS
... drillstem/well testing central well half-fracture length fracture pressure response simulation permeability calculation type curve match buildup test drillstem testing hydraulic fracturing upstream oil & gas hegf interference test flow rate porosity reservoir SPE/DOE/GRI 12872 SPE...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 13–15, 1984
Paper Number: SPE-12847-MS
... Abstract Many operators do not routinely run prestimulation pressure buildup tests in prestimulation pressure buildup tests in low permeability gas reservoirs. Frequently, all that is available is a single-rate flow test. To obtain permeability estimates for FERC filings and to evaluate...

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