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Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175869-MS
... complex reservoir significant effect pressure drop shale gas Upstream Oil & Gas fracture half-length fracture equation pressure transient curve reservoir permeability regime tight oil reservoir horizontal well outer region flow regime SRV society of petroleum engineers Introduction...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175823-MS
... shear modulus well logging calibration porosity exponential function mechanical property equation rock mechanical property Poisson wireline log porosity correlation coefficient Introduction Reservoirs rocks are manly classified into carbonate and sand Sandstone formation; cohesion...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164578-MS
... natural gas from natural gas hydrates from subsea environments. Most of the models available in an open literature are primarily applicable at relatively low pressure condition. In this work, model of Chen and Guo along with the three famous Equation of States (EoS), namely, Peng-Robinson (PR), Peng...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164597-MS
... Artificial Intelligence relative time lag pressure transient analysis Upstream Oil & Gas Correlation Chart active well pulse testing equation pressure transient testing spe 164597 pressure response amplitude Pulse Test analysis time lag machine learning odd pulse dimensionless...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164657-MS
... the nature of the coupled problems in reservoir engineering. Inoue & Fontoura (2009b ) state that in the conventional reservoir simulation – where only the mass balance equations, equations of state and Darcy's law are considered – the change in porosity is dependent only on the variation of the pore...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164714-MS
... injection active well travel time line-source solution gauge resolution transmissibility interference test case study pressure response reservoir parameter equation Introduction One of the first things one learns in a pressure transient analysis course is that the solution...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164609-MS
... the subsidence in very active aquifer. The Carter-Tracy water influx model has been adopted to calculate the water influx rate. The TCRM depends on the concept of continuity equation that considers the difference between the water injection and oil production as reservoir input and output, respectively. So...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164587-MS
... measurements are expensive and could be unreached in certain cases, therefore, estimation of gas properties at different pressures and temperatures can be achieved through the development of empirical correlations based on the equations of state ( Ahmed 1989 ). Gas deviation factor correlations are easier...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164712-MS
... model or equation of state (EOS) calculations. The method is rigorous, direct and simple and is ideally suited for spreadsheet applications. However, it depends on how many pressure steps are taken in the CVD laboratory experiments. It was clear since 1920's that the engineering of oil reservoirs...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164751-MS
... machine learning Artificial Intelligence Upstream Oil & Gas Modeling & Simulation PVT measurement new equation separation and treating reservoir simulation separator condition change reservoir pressure oil reservoir prediction production history volatile oil reservoir badr...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164766-MS
... Abstract This paper presents analytical algorithms to calculate ultimate recovery factors for radial flow systems. The approaching method is similar to the well-recognized Buckley-Leverett equations, but it's accurate for matured fields, especially peripheral water-flooding reservoirs. Buckley...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164777-MS
... production monitoring cumulative production hyperbolic equation production rate production control Upstream Oil & Gas spe 164777 semi-log paper production forecasting flow rate production data decline curve analysis economic limit investigator claim society of petroleum...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152131-MS
... definition in Equation (1) . The capillary pressure goes to negative infinity as oil saturation approaches residual oil saturation. This is important to the water coning analysis we are going to discuss below. It means an outside force is needed to displace oil from reservoir into wellbore. After...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152765-MS
... be characterized by power-law expressions. We consider boundary dominated flow of pseudo-steady type. This simplifies the partial differential to an ordinary differential equation. An approximate inflow equation p wf vs. q , may be obtained by direct integration. The natural flow rate of a well may...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149965-MS
... in radial shape. Radial flow equation in a matrix reservoir with stable displacement is used to model fluid injectivity in multi layered reservoir. The injected fluid will be bullheaded into all opened zones Heat transfer during fluid injection is only calculated inside the invaded zones Injected...

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