... estimates of resource in place resource in place estimate element model urtec complex reservoir drillstem/well testing numerical rta workflow workflow lfp fracture system fracture spacing drillstem testing reserves evaluation diagnostic plot well performance boundary numerical model ooip...

... settings. asset and portfolio management complex reservoir shale oil oil shale pressure transient analysis shale gas pressure transient testing drillstem/well testing diagnostic plot blasingame artificial intelligence drillstem testing upstream oil & gas pressure-transient analysis...

... pressure transient analysis drillstem testing drillstem/well testing reservoir characterization complex reservoir dfit-flowback test hydraulic fracturing upstream oil & gas diagnostic plot closure stress flowback rate exhibition fracture closure unit slope reservoir...

... dimension RTA model parameters obtained from log-log RTA diagnostic plot. The method provides excellent history match throughout the production life. The accuracy of history match and forecast is validated with new production data after the analysis. Also, the history-matched model is used to evaluate well...

... production monitoring flow in porous media wellbore integrity completion installation and operations reservoir characterization complex reservoir drillstem/well testing diagnostic plot wellbore design fluid dynamics presented reservoir surveillance hydraulic fracturing fracture...

... of linear flow region; some wells diagnostic plots are like the examples shown in Figure 6 and Figure 7. In the second stage, instead of having a straight slope in the rate normalized pressure plot, Figure 6 shows that the slope is curving up and continues to change with time. In the plot, instead...

... several diagnostic plots and incorporating material balance time (MBT) into the analysis, which can be time consuming for large datasets and which can lead to other problems (notably establishing the Arps b-factor during boundary-dominated flow (BDF Our methodology provides a simplified analytical...

...) and formation permeability. URTeC 2584 Figure 2. ISIP diagnostic plot Relationship between ISIP and ISIP leak-off It is important to understand and interpret the ISIP diagnostic plot in terms of the main driving factors: surface area created, formation permeability and reservoir pressure. Consider a well...

... complex reservoir different scenario shale gas study single fracture stage performance multistage fracturing fracture length surface area drillstem testing drillstem/well testing linear flow analysis hydraulic fracturing upstream oil & gas diagnostic plot fracture surface area...

... flow is achieved by reducing fracture conductivity. These types of flow behavior cover the entire range seen in unconventional wells. They show how the power-law behavior, frequently observed in diagnostic plots, can be produced by the combined effect of matrix fragments that individually can only show...

... evaluations. Examples of data acquisition from some of the best quality sources illustrate how straight-lines used on specialized diagnostic plots can match the data very closely. This gives the analyst much more confidence in the magnitude of the difference in well performance due to changes...

... Reservoir Surveillance Upstream Oil & Gas production monitoring production forecasting prospective resource diagnostic plot flow regime contingency possible outcome subclass commerciality reservoir production control reserves classification node Simulation RTA contingent...

... machine learning Artificial Intelligence reserves evaluation production control production forecasting hyperbolic model production monitoring exponential decline production data arp parameter bdf regime optimization problem diagnostic plot final arp parameter decline rate...

... logarithmic bottomhole pressure numerical simulation boundary reservoir Drillstem Testing impulse function diagnostic plot investigation equation linear flow Upstream Oil & Gas Simulation deviation pressure distribution bottomhole pressure permeability URTeC: 2901712 Depth...

...-to-fracture interference from a reciprocal productivity index derivative diagnostic plot. After identifying the Intra-well interference, the production rate and the reciprocal productivity index derivative are history matched using reservoir simulation and by varying the number, half-length...

... diagnostic plot Energy Economics complex reservoir stage length stimulation intensity rate transient analysis sand loading unconventional well experiment completion design shale gas unconventional resource economics time diagnostic plot Marcellus Shale completion parameter integration urtec...

... anomalous behavior using compositional reservoir simulation, with field examples from Eagle Ford shale play. Then it discusses how GOR history can help us interpret rate transient analysis (RTA) diagnostic plots and forecast multiphase well production using decline curve analysis (DCA) methods, which were...

... volume from a well, and the instantaneous recovery ratio (IRR), which is defined as the ratio of the produced volume to the drainage volume, directly from the production data. In addition, in a manner analogous to the diagnostic plot in PTA, a new w(τ) plot has been proposed to provide better insight...

... incorporates diagnostic plots, hybrid decline models (e.g., the Duong model for transient flow and the Arps model for boundary-dominated flow), improved data smoothing methodologies, and systematic analysis procedure for the transition flow regime between transient and boundary-dominated flow (the "boundary...

... of a formation using the interpretation of specialized diagnostic plots. Collecting quality injection falloff test data in underpressured reservoirs can be challenging because of the tendency for the wells to go on vacuum. This occurs when the wellbore fluid hydrostatic pressure exceeds the formation pressure...