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Keywords: wellbore storage
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164525-MS
... obtained from MFHWs completed in unconventional reservoirs are presented to support the findings of this paper. Upstream Oil & Gas transition wellbore storage spe 164525 hydraulic fracturing buildup test vertical radial flow linear flow reservoir Drillstem Testing early transition...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114954-MS
... methods; addition of wellbore storage and skin (at wellbore and observation points); incorporation of absorbed gas for unconventional gas systems; pressure dependant fluid properties; reservoir heterogeneity; and rate forecasting. The methodology is validated by comparison to both analytical solutions...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114946-MS
... 50.7 md 11.6 md Permeability ratio, k 1 /k 2 64.5 N/A Permeability, (Layer 1), k 1 2000 md N/A Permeability, (Layer 2), k 2 31 md N/A Skin factor (dimensionless) 1 ֊4 Storativity ratio, ω N/A 1×10 −2 Wellbore storage coefficient, Cs 6.0×10 −3 RB/psi 5.0×10 −3 RB...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-115001-MS
... Abstract The existence of natural fractures and their effects on the wellbore storage vanishing time and the onset of the outer boundary in a tight gas reservoir are examined. The so called pre- and post-fracture test design is used for both linear and radial flow type to investigate the effect...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100540-MS
... skin factor proportional to sandface flowrate ( i.e., D × q sf ). They studied the pressure derivative characteristics for the buildup test with wellbore storage effect and revealed that the unique pressure derivative feature between the wellbore storage and radial flow regions provides a clue...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-99352-MS
... in porous media production logging production control production monitoring reservoir characterization wellbore storage equation resource in place estimate estimates of resource in place reservoir surveillance pressure transient analysis method case procedure university Introduction...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, March 15–18, 1998
Paper Number: SPE-39968-MS
... velocity effect coefficient velocity coefficient wellbore storage derivative response flow in porous media formation damage high velocity effect pseudopressure crossflow damage zone firoozabadi drillstem/well testing reservoir drillstem testing permeability flow rate fluid dynamics gas...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, March 15–18, 1998
Paper Number: SPE-39969-MS
..., performed, and interpreted, these tests provide valuable information on the well's skin condition. Wellbore storage becomes a very important factor with a surface shut-in. In addition to the wellbore fluids' compression and phase changes, temperature effects may be significant and extended depending...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 28–May 1, 1996
Paper Number: SPE-35618-MS
... for radial flow. The boundary condition at the wellbore included the use of chokes to control flow rates. Wellbore storage and non-Darcy flow effects were also included in the numerical simulation. Both Rawlins and Schellhardt empirical equation as well as the theory-based pressure drawdown equation were...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 28–30, 1993
Paper Number: SPE-26179-MS
... in the fracture and includes wellbore storage and fracture-face skin. Ref. 2 provides detailed information about numerical formulation of the model and results. Ref. 2 presents wellbore pressures and pressure derivatives in type curves. In this paper, we use many the results from Ref. 2 when we discuss...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 28–30, 1993
Paper Number: SPE-26197-MS
... & gas downhole shutin injection falloff test reservoir injection rate injection test wellbore storage small diameter diameter investigation geology complex reservoir canada government injection tank test procedure pressure transient testing reservoir geomechanics geologist wellhead...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 7–9, 1989
Paper Number: SPE-19093-MS
... Abstract A new analytical solution for the pressure response of a well intercepting a finite-conductivity fracture is presented. We examine the effects of fracture conductivity, fracture height, drainage boundary size, wellbore storage and phase segregation on the pressure response...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 7–9, 1989
Paper Number: SPE-19100-MS
... distorted by wellbore storage and phase segregation are analyzed. wellbore storage spe 19100 olarewaju phase segregation distortion drillstem/well testing segregation distortion drillstem testing radial flow distortion segregation analytical model buildup test data well buildup data...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 7–9, 1989
Paper Number: SPE-19098-MS
... model. For constant wellhead pressure conditions the bottomhole pressure changes due to friction pressure losses, Δp f , in the production string that are a function of the flow rate. 8 , 17 , 18 For this case, wellbore storage effects are considered through the use of a combined model...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 13–15, 1988
Paper Number: SPE-17707-MS
... ) x-axis. This analysis procedure was tested with production data simulated for a single well reservoir model with and without wellbore storage distortion. The procedure was also tested with production data simulated for a hydraulically fractured well model. The results indicate this method can...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Technology Symposium, May 18–21, 1986
Paper Number: SPE-15229-MS
... ABSTRACT The gas flow equation is often linearized to allow liquid type curves to be used to analyze transient tests of gas wells. In the absence of wellbore storage, drawdown tests are best analyzed using the pseudopies-sure-time linearization. Buildup tests, however, require the pseudopres...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 13–15, 1984
Paper Number: SPE-12847-MS
... be quite reliable. This conclusion is based on a comparison of permeabilities estimated with this technique and with more rigorous determinations from pressure buildup tests. pseudo-producing time shut-in period permeability estimate pressure buildup test buildup test wellbore storage formation...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 16–18, 1982
Paper Number: SPE-10838-MS
... interference data wellbore storage buildup interference data reservoir permeability drillstem testing well 100568 fracture clastic rock reservoir simulation geologist pressure transient testing fluid dynamics united states government hydraulic fracturing rock type production monitoring...

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