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Keywords: porosity
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Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175848-MS
... in 7 trials. The experiments could not be performed in sandstone due to rough surfaces and high porosity. The ROP values ranged between 58 and 66 ft/hr (mean 62.4 ±5.3 ft/hr) in shale and between 221.7 and 460.6 ft/hr (mean 328.5±71.5 ft/hr ft/hr) in limestone. The specific energy values ranged...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175832-MS
... Artificial Intelligence carbonate reservoir surface reaction experiment complex reservoir dolomite disk regime porosity Upstream Oil & Gas concentration mass transfer acidizing disk rotational speed fresh acid diffusion coefficient diffusion coefficient result micro xct image...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175775-MS
... attenuation well logging information porosity correction big lime University log analysis Thickness gamma ray cased-hole environment characterization spectrum Upstream Oil & Gas contribution detailed mineralogy spectra case study society of petroleum engineers composition...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175788-MS
... petrographic inspection. A core-calibrated image-perm software algorithm was processed to evaluate the heterogeneity of reservoir pore system and to provide a continuous and azimuthal output of high resolution porosity and permeability. The AR/D limestone succession (approximately 82 m thick) consists almost...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175776-MS
... paper, an integrated procedure was adopted for modelling formation core permeability given well logs and Lithofacies classification for a well in sandstone formation in South Rumaila Oil Field, located in Iraq. The core permeability was modelled give well logs interpretation: neutron porosity, shale...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175771-MS
... Mrabtine Formation is both reservoir and seal. The reservoir consists essentially in the fine grained, well sorted sandstones with fair to good porosity with an average value of 15 %. It is proven oil-bearing complex sandstone reservoir in the onshore Ezzaouia field. The evaporates are mainly...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175795-MS
... recognition of those sedimentary features. The better understanding of the reservoir performance requires the knowledge of the petrophysical features of this reservoir notably the porosity and permeability distribution. For the non-cored wells, petrophysical tools such as Nuclear Magnetic resonance (NMR/CMR...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175854-MS
... calculated from porosities (rock porosity, organic porosity, and natural fractures), saturation, TOC, Ro, and reservoir pressure, and the CQI is calculated from shale brittleness, and the existence of micro fractures and laminations. The CBI is calculated from porosity, permeability, saturations, reservoir...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175822-MS
... (mainly by carbonates, quartz and clay minerals), and dissolution. Deposition of sandstones continuously lose porosity due to compaction and cementation, however, porosity preservation may occur due to early, partial carbonate and quartz cementation ( De Rose et al., 1994 ) and also due to the...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175823-MS
... preventing sand production from the formations. General correlations were presented to accurately describe rock strength parameters for the field; the work utilizes the application of the wireline porosities to be used as a strength indicator through the combination of rock mechanical theories with the...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164609-MS
... Reservoir Characterization Drillstem Testing Fluid Dynamics porosity subsidence water management Upstream Oil & Gas Thickness continuity equation reduction reservoir geomechanics waterflooding Reservoir Compaction Rumaila Oil Field representation enhanced recovery drillstem...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164621-MS
... the volume balance equation: The field that we are about to evaluate is a "Tight-gas sand" which refers to natural gas produced from reservoirs that have very low porosities and permeability. Reservoirs are usually sandstone although carbonate rocks can also be tight-gas producers. The standard...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164657-MS
... reservoirs, a porous medium can contain one, two and three fluid phases. In the conventional reservoir simulation, the porosity is related to pore pressure through the rock compressibility using a linear relation, as shown in Eq. 1 . On the other hand, in the fully coupled scheme, the porosity equation is...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164623-MS
... posterior set of models after completing the data integration procedure. We have a reservoir with grid dimension of 200 x 200 x 1, and having 5 production wells. We start with an initial suite of 100 realizations for permeability and porosity. The objective of this study is to reduce the uncertainty...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164626-MS
... developed to predict the effect of sulfur deposition on the damage of the near- wellbore. The damage will be quantified through the investigation of the effect of sulfur deposition on the reservoir porosity, permeability, relative permeability, and the change in rock wettability due to sulfur deposition...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164634-MS
.... waterflooding Upstream Oil & Gas concentration experiment Scale Precipitation calcium sulfate inhibitor porosity enhanced recovery precipitation core permeability Salinity Water Injection deposition composition solubility injection solubility product scale formation permeability Injection...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164632-MS
... different brine salinities, and different pressure and temperature conditions, and (2) studying the effect of CO 2 storage time interval on porosity and permeability of carbonate reservoir rocks. Core storage experiments were undertaken using actual and similar core samples saturated with 25, 000 ppm NaCl...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164659-MS
... workflow were on the top reservoir map, the channel characteristics (geometry, orientation and percentage of channel facies over the field) and porosity distribution. For each uncertain parameter a range and a probability distribution were included. The uncertainty in saturation was included in the dynamic...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164644-MS
... variation permittivity upper bahariya formation porosity cementation factor evaluation formation water salinity water salinity dm mn parameter water saturation salinity Computation water saturation evaluation saturation permeability This case study focuses on the Upper Bahariya...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164676-MS
... Petrophysical analysis of carbonate reservoirs can prove challenging for a variety of reasons. All aspects of evaluation— whether mineralogy, porosity, permeability, rock types, saturation, relative permeability, or capillary pressures ( Elshahawi et al. 2000 )—can pose unique challenges, and...

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