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Keywords: water saturation
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Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175707-MS
... It is well known that formation evaluation requires several measurements in order to calculate the water saturation (Sw) accurately in any newly drilled well. The minimum requirements for calculating water saturation are Formation Resistivity / Formation porosity (Density & Neutron) / GR...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164584-MS
... water salinity Upstream Oil & Gas Sandstone Reservoir water saturation water cut log analysis CHFR TDT log zone iva quantitative interpretation resistivity interpretation formation water salinity well logging CHFR log salinity spe 164584 TDT society of petroleum...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164618-MS
... porosity and formation factor can be studied. electrical property spe 164618 Upstream Oil & Gas reservoir temperature core analysis water saturation capillary pressure curve wettability resistivity measurement resistivity saturation ambient condition Reservoir Conditions...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164648-MS
... level may be determined by using fractional flow curves. In this case the contact level is a derived value for water saturation that relates to a specific water cut at surface conditions. If dynamic reservoir modeling is available the POWC can be also determined based on 3D-simulation results, at the...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164644-MS
... Abstract In Egypt's Western Desert, water saturation evaluation of the Upper Bahariya reservoirs is complicated by significant uncertainties in the resistivity-based saturation equation inputs, mainly the formation water salinity, but also the cementation factor and the clay cation exchange...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164701-MS
... Using Archie's equation in shaly sands results in values of water saturations, Sw , that are too high, and may lead to potentially hydrocarbon bearing zones being missed. Many equations have been proposed in the past for accounting for the excess conductivity resulting from dispersed clays in...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164766-MS
... to the Buckley-Leverett method for oil fields worldwide. enhanced recovery water saturation producer displacement front position equation fractional flow new analytical equation radial flow system reservoir waterflooding relative permeability Flow System spe 164766 society of...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164718-MS
... Abstract Porosity, water saturation, and net-to-gross evaluation can be challenging in thinly bedded sands. The use of standard induction resistivity for formation evaluation can lead to the overestimation of water saturation. This work explores the following options to improve formation...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149676-MS
... water saturation, OWC, FWL etc give an alternative option which is being discussed in this paper. The paper has been divided into two parts, the first part deals with the reservoir modeling using an integrated approach at each stage i.e. porosity modeling, permeability modeling and Saturation...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149017-MS
... and by running logs such as high resolution image logs which can be calibrated to core and give good estimates of net reservoirs and a detailed geological earth model forms the basis for inversion of the porosity and induction log for resistivity estimation used to derive porosity and water saturation...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150858-MS
... hole formation resistivity clearly identified the watered out zones. A water shutoff operation followed. The objective of the cased hole resistivity acquisition was met as the water cut dropped down to 1 to 40 % after isolation of the watered out zones. well logging water saturation formation...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150887-MS
... permeability prediction was develpoed which incorporate the pore space and pore throat. The obtained results have shown the great influence of pore throat on permeability prediction. flow in porous media irreducible water saturation pore throat size distribution upstream oil & gas water...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-151879-MS
... analytical solutions to calculate reservoir water saturation profiles from field water cut data are investigated. Different flow regimes and reservoir geometries are considered during this study. Diffuse, segregated and capillary influenced flow models are analyzed in both one and two dimensional water...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152131-MS
... infinity as water saturation approaches irreducible water saturation. Primary imbibition curve is used to imitate the water flooding or water displacing oil during the field production. In this stage the wetting phase, water, displaces non-wetting phase, oil. Water coning falls into this category...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152412-MS
... A numerical simulation of the counter-current spontaneous imbibition process during a UBD program, and its resulting water invasion into the formation is presented in this study. The outputs of this model are water saturation profile, oil-phase pressure curve, and effective hydrocarbon...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127997-MS
... agoco field reservoir simulation matching target pressure geological model reservoir model reservoir water cut boundary upstream oil & gas pseudo well modeling & simulation water influx spe 127997 tppm water saturation history Historically, geological modeling resulted in...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127783-MS
... features of the reservoir and demonstrates how the simulation model was calibrated using all available information, in particular, the pressure buildups. spe 127783 hydraulic fracturing saturation matrix permeability image log water saturation fracture system porosity matrix block drillstem...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-127838-MS
... identify water and oil zones. Water saturation from Sigma pass is calculated using the formula: Abstract South East (S.E.) Gemsa is an oilfield located in Gulf of Suez (GOS) in Egypt. Many challenges have been faced in the reservoir and operation management of this field, such as: - Permeability...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-128164-MS
... determined by Amott method and proved to be strongly oil wet. The wettability controls the position of fluids within the pore network, where in oil-wet the water saturation distributed as poorly connected droplets within the macro-pores and filled the micro-pores. To simulate the saturation history of the...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 14–17, 2010
Paper Number: SPE-128433-MS
... to remove the damage and restore the well productivity. Drilling fluid, completion fluid and kill fluid have the potential to be the most damaging portion of reservoir life. production test water saturation productivity inflow performance reservoir quality mercury injection drilling...

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