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Keywords: fraction
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Journal Articles
Society of Petroleum Engineers Journal 25 (05): 704–710.
Paper Number: SPE-12724-PA
Published: 01 October 1985
..., and for studying oilfield drill cores. Comments in the literature and our own experiments suggest that simple approaches to the leaching process may yield accuracies of 10 to 20% for chlorides in rocks with a significant PV fraction. As water contents decrease to 1%, however, an uncontrolled system...
Journal Articles
Society of Petroleum Engineers Journal 25 (05): 693–703.
Paper Number: SPE-12586-PA
Published: 01 October 1985
... branching. SPEJ P. 693 1 10 1985 1 10 1985 1985. Society of Petroleum Engineers cosurfactant concentration pseudocomponent phase behavior amphiphilic species fraction material balance salinity pseudophase chemical flooding methods pvt measurement artificial intelligence...
Journal Articles
Society of Petroleum Engineers Journal 25 (02): 303–312.
Paper Number: SPE-11689-PA
Published: 01 April 1985
... for the modeling of idealized fractured reservoirs. Simulations are carried out for a five-spot well pattern with various well spacings, fracture spacings, and pattern with various well spacings, fracture spacings, and injection fractions. The production rates from the wells are calculated using a...
Journal Articles
Society of Petroleum Engineers Journal 25 (02): 202–214.
Paper Number: SPE-11713-PA
Published: 01 April 1985
... method factorization saturation heat capacity fraction reaction computer calculation constraint well flow equation enhanced recovery artificial intelligence A General Purpose Thermal Model Barry Rubin, * SPE, Computer Modelling Group W. Lloyd Buchanan, SPE, Computer Modelling Group Abstract...
Journal Articles
Society of Petroleum Engineers Journal 25 (02): 268–274.
Paper Number: SPE-11959-PA
Published: 01 April 1985
... temperature, oil C 5+ molecular weight, volatile oil fraction, intermediate oil fraction, and composition of the CO 2 stream. The effects of temperature and oil C 5+ molecular weight on pure CO 2 MMP have been well documented. However, CO 2 sources are rarely pure, and solution gas usually is present in...
Journal Articles
Society of Petroleum Engineers Journal 24 (06): 685–696.
Paper Number: SPE-11200-PA
Published: 01 December 1984
... reservoir fluids with extended C 7+ analysis have been chosen, representing a broad range of compositions and PVT data. First, the study deals with methods for estimating specific gravities and boiling points of petroleum fractions, two properties usually required by critical property correlations. EOS...
Journal Articles
Society of Petroleum Engineers Journal 24 (06): 617–627.
Paper Number: SPE-9009-PA
Published: 01 December 1984
.../polymer process is designed to produce residual oil trapped by capillary forces. Papers pro-posing numerical models of the process have been documented. Most neglect the unsteady-state flow of fluids and the capillary pressure between phases by employing a fractional flow formula combined with Darcy's law...
Journal Articles
Society of Petroleum Engineers Journal 24 (05): 536–544.
Paper Number: SPE-11210-PA
Published: 01 October 1984
... pressure range; selected high-pressure data indicate how the compressibility deviates at much higher pressures. To within the resolution of the data, the composition dependence is linear in volume-fraction composition; moreover, the effective compressibilities of oil and water in solution appear to be near...
Journal Articles
Society of Petroleum Engineers Journal 24 (04): 435–446.
Paper Number: SPE-10200-PA
Published: 01 August 1984
...Albert F. Chan; Surendra P. Gupta This paper presents a novel method of characterizing the broad equivalent-weight (BEW) sulfonates composed of two pseudosulfonate fractions that behave as the oil-moving and the sulfonate-solubilizing components. The terms quasi-monosulfonate and quasi-disulfonate...
Journal Articles
Society of Petroleum Engineers Journal 24 (04): 447–457.
Paper Number: SPE-10976-PA
Published: 01 August 1984
... events. This paper describes a shale management procedure that handles sampling of the empirical statistics, generates shale coordinates, and maintains control such that conditioning at the wells is achieved. Conditioning means that the fraction of shale and the vertical succession of sand and shale...
Journal Articles
Society of Petroleum Engineers Journal 24 (03): 283–293.
Paper Number: SPE-11202-PA
Published: 01 June 1984
.... 2 and propane. Possible improvements of the model are also discussed. Finally, the model is used to predict field conditions favorable to asphalt and asphaltene precipitation. Asphaltenes, Resins, and Asphalt. Asphaltenes are defined as the n-heptane insoluble fraction of crude oil obtained...
Journal Articles
Society of Petroleum Engineers Journal 24 (03): 277–282.
Paper Number: SPE-11280-PA
Published: 01 June 1984
... viscosities. This paper documents the development of a simple but generalized correlation for predicting viscosities of binary mixtures of heavy oil, bitumen, and petroleum fractions, with particular emphasis on heavy-oil/solvent systems. Background Previous Work. Viscosity of liquid mixtures has been...
Journal Articles
Society of Petroleum Engineers Journal 24 (02): 169–179.
Paper Number: SPE-10069-PA
Published: 01 April 1984
... fraction shock front fluid dynamics simple wave correspond injection gas flow rate characteristic tie line An Analytical Model for One-Dimensional, Three-Component Condensing and Vaporizing Gas Drives 1.M. Dumon~, Koninklijke/Shell E&P 1. Hagoort, * Koninklijke/Shcll E&P A.S. Risseeuw...
Journal Articles
Society of Petroleum Engineers Journal 24 (02): 121–128.
Paper Number: SPE-11061-PA
Published: 01 April 1984
... bit design geothermal reservoir heat flux rotational speed heat-transfer coefficient coefficient production logging bit selection contract production monitoring wearflat convective cooling polycrystalline diamond drag tool fraction production control frictional heating friction...
Journal Articles
Society of Petroleum Engineers Journal 24 (02): 153–168.
Paper Number: SPE-6859-PA
Published: 01 April 1984
... conductivity terms to a particular type of water, each occupying a representative volume of the total porosity. This approach has been named the "dual-water" (DW) model because of these two water types - the conductivity and volume fraction of each being predicted by the model. The DW model has been tested on...
Journal Articles
Society of Petroleum Engineers Journal 24 (01): 87–96.
Paper Number: SPE-11126-PA
Published: 01 February 1984
... tested explicitly, and the sets of equilibrium constants are developed phase by phase before all phases are handled simultaneously. SPEJ P. 87^ 1 2 1984 1 2 1984 1984. Society of Petroleum Engineers water phase liquid phase phase behavior fraction pvt measurement equation...
Journal Articles
Society of Petroleum Engineers Journal 23 (05): 727–742.
Paper Number: SPE-10516-PA
Published: 01 October 1983
... property correlation fraction compositional model composition hydrocarbon phase displacement timestep reservoir simulation gridpoint enhanced recovery gas condensate pvt measurement procedure A Generalized Compositional Approach for ReseIVoir Simulation Larry C. Young, SPE, Amoco Production...
Journal Articles
Society of Petroleum Engineers Journal 23 (04): 657–668.
Paper Number: SPE-8995-PA
Published: 01 August 1983
... convenient to define equivalent fractions of calcium ions in each phase by dividing the calcium con- centration by the total cation concentration of each phase. The fraction of calcium ions in solution is defined as Ix == C Ca / C s while the fraction of calcium sites on the solid is/y==Zca/Z(. When...
Journal Articles
Society of Petroleum Engineers Journal 23 (04): 683–694.
Paper Number: SPE-12233-PA
Published: 01 August 1983
...Curtis H. Whitson Whitson, Curtis H., SPE, U. of Trondheim Abstract Methods are developed for characterizing the molar distribution (mole fraction/molecular weight relation) and physical properties of petroleum fractions such as heptanes-plus (C7 +). These methods should enhance equation-of-state...
Journal Articles
Society of Petroleum Engineers Journal 23 (03): 461–474.
Paper Number: SPE-10202-PA
Published: 01 June 1983
... oil & gas microemulsion dispersion slug equation composition artificial intelligence coefficient fraction simulation oil recovery chemical flooding methods aqueous phase experiment enhanced recovery mechanism time step surfactant viscosity saturation polymer A Numerical...

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