... saturation continuous gas cycling simultaneous gas cycling water saturation cycling ABSTRACT Simulation of gas condensate reservoir is described for water injection and gas injection, with the objective of improving hydrocarbon recovery. A compositional simulator was used for the studies conducted...

... in the effective porosity of the system. resistivity tritium initial fluid saturation tracer core material core sample porous media reservoir concentration upstream oil & gas initial water saturation drilling operation core barrel log analysis accuracy determination evaluation water...

... water saturation calculation wellbore permeability bvw porosity log analysis well logging fracture height fracture fluid fracture stimulation mesh sand injection rate hydraulic fracturing reservoir proppant upstream oil & gas irreducible water saturation ABSTRACT Most fracture...

... 119 water saturation upstream oil & gas pore throat permeability bennion drilling fluid selection and formulation reservoir saturation ABSTRACT Various formation damage mechanisms occurring in the Cardium sandstone have been documented. Many of these have been studied in the context...

.... Determination of in-situ viscosity for heavy oils. Chromatographic separation of heavy oil during water flood. well logging relaxation time reservoir spectra oil property water saturation brine recoverable reserve spectrum viscosity value viscosity nmr spectra oil reservoir upstream...

... factor, on a log-log plot of in-situ reservoir quality index versus in-situ porosity of the shaly formations. Finally, these models are used to identify shale types and select suitable water saturation model for shaly formations. The models are validated using simulated data of porosity and pressure...

... Abstract Calculations of water saturation were carried out for the A Sand of the Bridger Lake Field using techniques based on: capillary pressure measurements, old well logs and old conventional interpretation charts, and cross plot and pattern recognition. It was found...

... dynamics mechanism baseline permeability formation damage enhance permeability stimulation core sample permeability flow in porous media water saturation reservoir tight gas reservoir nitrogen permeability drilling permeability value application saturation reduction fht feasibility study...

... equation and Archie's equation for water saturation. The second model was derived using Tixier's permeability equation in combination with Schlumberger shale model for water saturation determination These models were validated using actual field data from two reservoirs in Oklahoma and Louisiana...

... in tight gas sands or coal bed methane have been recorded in the microdarcy range. Naturally fractured oil reservoirs are often characterized by matrix perrneabilities in the submilidarcy range. primary production water saturation permeability reservoir characterization shale imbibition...

... a liquid to a vapor was a significant mechanism in reducing the leakoff tinder test conditions. This paper presents both field and laboratory data Finally. the tests indicated that CO, has the ability to regarding leak-off properties from Liquid C02 and Liquid reduce water saturation in porous rock beyond...

... of the fluids, and it was allowed to solidify while The measurement of capillary pressure saturation the central arm was in motion. Water saturation was relation of a core by the centrifugal was proposed by Hassler determined by image analysis of the cut up sections of the and Brinnel. They formulated...

... for publication in Cl M journals. Publication rights are reserved. This is a pre-print and is subject to correction. ABSTRACT permeability measurements performed on clastic, limestone and dolomite core samples with and without Formation damage concerns in reservoirs with ultra- connate water saturation...

... migrated into previously oil saturated strata. Subirreducible water saturations in low permeability gas reservoirs are also quite common. The mechanism for the establishment of a sub-irreducible water saturation in a low permeability gas-bearing reservoir is the subject of some controversy. The dominant...

..., and initial water saturation have a considerable Water from Berea impact on both wettability and oil recovery by waterflood .flood recoveries of a Prudhoe Bay crude oil Surprisingly little information is available on the effect of brine Sandstone were determined for two brine compositions used composition...

... utilized in the drilling or completion process. This situation could commonly occur when drilling in an underbalanced mode in gas reservoirs that are in a desiccated state and exhibit abnormally low initial water saturations, or in oil and gas reservoirs in a portion of the reservoir significantly above...

... of characterizing wettability of oil/brine/rock systems. Both depend on capillary pressure andmicroscopic displacement efficiency. In application of either test, it is common to first displace water by oil toreach an initial water saturation, S wi . This step in the test is important because the wettability index...

...) and hydrocarbon cross section (@e). Because of their low porosities which generally range from 3 to 14%, Western Canadian carbonate reefs present difficult logging environments for thermal decay tools. To obtain meaningful water saturations (Ew), ac- curate input of all parameters in the thermal decay saturation...

... new approach resistivity combination nuclear magnetic log saturation annual technical meeting technical meeting resistivity water resistivity catalogue water saturation aguilera well logging petroleum society straight line irreducible water saturation log analysis upstream oil...

...EFFECT OF MOBILE WATER SATURATION ON SOLVENT SLUG SIZE DETERMINATION S. ASGARPOUR S. SPRINGER A. POPE this article begins on the next page F PETROLEUM SOCIETY OF CIM PAPER NO. 86-37-35 THIS IS A PREPRINT - SUBJECT TO CORRECTION EFFECT OF MOBILE WATER SATURATION ON SOLVENT SLUG SIZE DETERMINATION...