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Keywords: boundary
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206085-MS
... better represent superposition and finite sized boundary effects than the original 3D Eikonal equation. These solutions allow the use of superposition to extend the single well results to multiple wells. The new solutions to the Eikonal equation more accurately represent multi-fracture interference...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206171-MS
... − T r + 0.81769 ln 1 + 0.31355 + 1 .86745 ω − 0. 52604 ω 2 1 − T r 2 It shall be noted that Eq. 6 has been found to accurately reproduce the experimentally measured multiphase boundaries and swelling factors for solvents-CO 2 -water-heavy...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206161-MS
... (or processors) equal to the number of the cores used for the task. MPI supports point-to-point and collective communications between processors. The common point-to-point communication involves sending data to a processor and receiving data from a processor, which is useful when exchanging boundary values...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205884-MS
... flow period and diverges when entering boundary dominated flow. Figure 6 Example of three different cases with the same LFP’/OOIP ratio. Note that the relative rates are identical (here exemplified by GOR) for both infinite acting and boundary dominated flow. Also note that the performance...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206046-MS
... = q w D , i q w D , t ( i = 2 , 3 … N ) For RTA, the internal boundary conditions in the MFHW models are modified to approximately satisfy constant BHP flow conditions. The BHP is known and constant, as in Eq.(11) . (10) [ p ¯ w D...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201353-MS
... boundary interaction permeability carbonate caprock porosity fracture equation Introduction Under reservoir conditions (the temperature and pressure are typically higher than the super-critical (SC) point of CO 2 which are ~31.1 °C and ~7.39 MPa, respectively), a dramatic decrease of pH...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201310-MS
..., incompressible flow. Carbon dioxide injection for storage uses compressible fluids, and, in the absence of producers, will not approach steady-state flow ( Yun et al., 2017 ). Consequently, it is unlikely that storage will be in reservoirs of open boundaries. Flow of compressible fluid necessitates the use...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201320-MS
... geosteering with azimuthal GR. The geosteering question can be simplified mathematically to a prediction of separation between azimuthal GR curves when approaching or passing a bed boundary in a two-bed formation model. Separation will give an indication of a steering direction change, even in the simplest...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201703-MS
... production near lease boundary with parent well depletion on the competitor land and guide section development strategy by evaluating pad sequence scenarios. reservoir characterization complex reservoir hydraulic fracturing asset and portfolio management reservoir simulation well production...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201753-MS
... boundaries for the drainage area and SRV. pressure transient analysis fluid modeling production forecasting drillstem testing pvt measurement drillstem/well testing calibration workflow reservoir geomechanics equation of state pressure transient testing upstream oil & gas natural...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201414-MS
... of investigation appears to be quite useful until the time at which all boundaries have been encountered, although the theoretical basis for this application has not been established.) Model identification, or more accurately, model selection, has been one of the key steps in pressure transient interpretation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195817-MS
.... To find DOD, the tool can be placed far away from the boundary and then moved towards the inhomogeneity until it is close enough to sense it above the noise, as illustrated on Fig. 1 . Abstract Abstract Drilling operators very often perform reservoir navigation and mapping using extra-deep...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195812-MS
... reservoir Upstream Oil & Gas spatial integration outer boundary fractured-basement reservoir reservoir society of petroleum engineers pseudo-steady state hydraulic diffusivity equation boundary wae ewae Introduction A Simple Method that Works . Whittle (2008) proposes a simple...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195807-MS
... around the reservoir due to fluid injection are analyzed using a FEM-BEM (Finite Element Method - Boundary Element Method) coupled model. Secondly, the stability of faults located near the reservoir is evaluated using the displacement discontinuity method. Thirdly, elastic waves caused by the fault slip...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196013-MS
... in unconventional gas reservoirs. The methods reviewed are based on transient matrix linear flow ( Ibrahim and Wattenbarger 2006 ; Nobakht and Clarkson 2012a , 2012b ; Chen and Raghavan 2013 ) and boundary-dominated flow due to the stimulated reservoir volume (SRV). The methods for boundary-dominated flow...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195902-MS
...Abstract Abstract This work proposes a novel boundary-element based approach to model fluid transport in unconventional shale gas reservoirs with complex hydraulic fracture networks. The fluid flow model employed in this work considers multiple fluid transport mechanisms identified in in gas...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196205-MS
... scenarios, combining the two methods provides better results. upper boundary tortuous wellbore torque tortuosity drillstring design side force upper boundary space drillpipe contact force stiffness Upstream Oil & Gas calculation soft string model string model wellbore clearance...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196184-MS
...Abstract Abstract Well drainage areas and shapes for wells in reservoirs with aquifer contact or gas-oil contact (constant pressure boundary) take varying shapes, such as, water coming from one-side (edge water drive) to water coming from 3-sides when the 4th-side is a sealing fault...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191710-MS
..., the anisotropy, the layer boundaries, and the formation resistivity is essential to assess the capability of the technology for practical applications. A group of studies are conducted to evaluate the sensitivity under several common situations including homogeneous isotropy formation, homogeneous anisotropy...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191433-MS
... interpretations and inversion of reservoir geology. Solving the scattered potential boundary value problem with the 3DFD numerical algorithm simulates the EM signals in this new LWD ultradeep application, and the modeling accuracy was benchmarked alongside in-house modeling codes and 3D commercial software...

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