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Keywords: deviation
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Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200627-MS
... including geophysical logs, leak-off tests, advanced sonic far field profile and drilling records collected from the earlier wells. Examination of the deviated well bore profiles suggested occurrence of ledges due to lower mud weight and improper drilling parameters while drilling alternate layers of sand...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190804-MS
... evaluate two specific events: (1) the production transition behavior between the historical and forecasting period, and (2) the water breakthrough time. To assess production transition behavior, the deviation between the latest available historical data is compared with the forecast value, at a specific...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185835-MS
... a previously established confidence interval. Uncertainty analysis is evaluated based on building risk curves and then the curves are compared with the simulation output, to evaluate the proxy model efficiency based on the Normalized Quadratic Deviation with Signal (NQDS). The proxy study involves...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185865-MS
... Upstream Oil & Gas flow in porous media drillstem/well testing reservoir simulation machine learning Drillstem Testing Reservoir Characterization production forecast quadratic deviation pressure derivative Schiozer Fluid Dynamics deviation porosity realization information History...
Proceedings Papers

Paper presented at the SPE Europec featured at 78th EAGE Conference and Exhibition, May 30–June 2, 2016
Paper Number: SPE-180082-MS
... database. The adjustment was made to minimize the deviation in key PVT properties like saturation pressures, densities at reservoir temperature and Stock Tank Oil (STO) densities, while keeping the n-alkane limit of the correlations unchanged. As an improvement of a previously suggested characterization...
Proceedings Papers

Paper presented at the EUROPEC 2015, June 1–4, 2015
Paper Number: SPE-174374-MS
... fracture frequency tortuosity fracture porosity permeability geometry effective porosity cubic law Reservoir Characterization Upstream Oil & Gas roughness kinematic aperture representation fracture permeability effective permeability deviation porosity connectivity fracture fracture...
Proceedings Papers

Paper presented at the EUROPEC 2015, June 1–4, 2015
Paper Number: SPE-174359-MS
... of the process, the model uncertainties are combined through a robust sampling technique, which originates a set of model realizations that are then simulated. The results are evaluated for all Objective Functions (OF), namely, the quadratic deviations of all well rates and pressures. This work proposes the use...
Proceedings Papers

Paper presented at the SPE EUROPEC/EAGE Annual Conference and Exhibition, June 14–17, 2010
Paper Number: SPE-130552-MS
... testing society of petroleum engineers gas well low permeability reservoir deviation stabilization time inflow performance reservoir upstream oil & gas deliverability testing technique flow period Deliverability testing has been used to characterize and determine the flow potential...
Proceedings Papers

Paper presented at the EUROPEC/EAGE Conference and Exhibition, June 8–11, 2009
Paper Number: SPE-121484-MS
... correlation is able to provide an excellent estimation of the viscosity (with average absolute deviations below 5 %) of pure compounds including normal-alkanes, CO2 or even H2S whatever the thermodynamic conditions, gas, liquid or supercritical. Then, using a one-fluid approximation and a set of combining...
Proceedings Papers

Paper presented at the Europec/EAGE Conference and Exhibition, June 9–12, 2008
Paper Number: SPE-113839-MS
... and C13. The above models when applied to extend the C7+ fraction under predict the C8 mole percent and over predict the C12 mole percent due to discontinuities in the molar relationship at C8 and C13. The Average Absolute Deviation between the predicted and experimental C8 and C12 data were both greater...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference and Exhibition, June 12–15, 2006
Paper Number: SPE-99996-MS
... to the production data, in order to assess the uncertainty in the history matching problem through the exaustive sampling of the space of possible models. reservoir simulation objective function deviation optimization problem water rate initial model iteration procedure history matching calculation...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference and Exhibition, June 12–15, 2006
Paper Number: SPE-100233-MS
... geological model scale and then computing the elastic properties. Modeling & Simulation petro-elastic model deviation scaling method impedance petrophysical property log data wSize Calibrate Upstream Oil & Gas PEM window size procedure log scale backus averaging flow simulator...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 13–16, 2005
Paper Number: SPE-94093-MS
... production profile recovery factor evaluation risk assessment deviation scenario upstream oil & gas risk management risk analysis Copyright 2005, Society of Petroleum Engineers This paper was prepared for presentation at the SPE Europec/EAGE Annual Conference held in Madrid, Spain, 13-16 June...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 13–16, 2005
Paper Number: SPE-94211-MS
...). The deviations in the Bo and GOR predictions of the EoS between different tunings are illustrated in Table 5 and indicate that the errors exceed 5% and 8% respectively. Such deviations can also be expected in multi-phase flowmeter applications where EoS models are utilized for providing predictions...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference, June 13–16, 2005
Paper Number: SPE-94357-MS
... Plate Splines and ANNs are compared and their suitability is investigated. Du et. al. [7] elaborates on design of ANNs. input parameter simulation run probability distribution artificial intelligence simulation model deviation monte carlo simulation spe 94357 material balance model...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 29–31, 2002
Paper Number: SPE-78341-MS
... well logging vertical resistivity resistivity data reduce uncertainty propagation resistivity wellbore resistivity measurement fluid saturation variation anisotropy induction deviation saturation spe 78341 perpendicular upstream oil & gas separation benefield spe 78341...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 20–22, 1998
Paper Number: SPE-52062-STU
... filtrate phase behaviour contaminated sample volatile oil deviation society of petroleum engineers molar composition mud filtrate spe 52062-stu determination SPE 52062-STU Determination of Reservoir Fluid Properties from Samples Contaminated with Oil-Based Mud Filtrate F. Gozalpour, SPE, Heriot...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 20–22, 1998
Paper Number: SPE-50620-MS
... installation and operations deviation polymerisation downhole temperature production enhancement well intervention inflation pressure case history perforation liner waterflooding upstream oil & gas cable resin water cut inflatable composite sleeve polymerised in-situ composite sleeve...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 22–24, 1996
Paper Number: SPE-36829-MS
... in slimhole wells, multiple producing zones in highly deviated/horizontal sections, underbalanced drilling, losses to permeable zones, and compliant wellbores. The slimhole pressure drop model highlights the importance of accurate prediction of the annular flow regime when assessing the effects of high speed...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 22–24, 1996
Paper Number: SPE-36918-MS
... as economic consequences on the development project. P. 413 inversion surface subsidence standard deviation overburden fluid dynamics compressibility reservoir compaction aquifer deviation depletion subsidence data compaction reservoir consequence information reservoir characterization...

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