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Keywords: molecular weight
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205997-MS
... property kennedy molecular weight sutton xgboost Introduction γ g = M W 28.967 <underline>Artificial proxy features (APF)</underline> Artificial proxy features are combined with XGBoost and Sutton's correlations for gas pseudocritical properties to develop a physically...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201503-MS
... saturation pressure equilibrium ratio composition reservoir surveillance pvt measurement correlation depletion step pressure gas condensate cvd test depletion step phase envelope molecular weight liquid composition reservoir fluid fraction gas composition liquid density volatile oil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196014-MS
... emulsion polymer xanthan hydraulic fracturing frequency Ba geri fracturing materials Upstream Oil &amp; Gas viscosity brine solution molecular weight friction reducer proppant transport proppant transportation viscosity profile transportation conductivity HVFR society of petroleum...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196107-MS
... in the past two years. FR materials have extremely high molecular weight; consequently, breakers are recommended to reduce polymer size and to mitigate potential damage to fracture conductivity, microfractures or secondary fractures, and the formation. A better understanding of the breaking mechanism of FRs...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191496-MS
... experiment crude oil reservoir co2 injection fraction society of petroleum engineers live oil system intermediate component oil system molecular weight psig MMP All over the world, and especially in Abu Dhabi, there has been a considerable rise in the domestic and commercial consumption...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187255-MS
... by mixing three different grades of HPAM (molecular weights of 500,000; 8,000,000; and 20,000,000) at polymer concentrations 0.09%, 0.05% and 0.03% wt. The shear viscosity and elasticity characteristics of test fluids were determined by performing shear viscosity and frequency sweep oscillatory measurements...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187170-MS
... class (P, N, and A) a constant ε parameter is used independent of molecular weight while the parameter m is assumed to increase linearly with molecular weight. The m and ε parameters of the individual component classes are combined into one value, representative of the whole carbon number fraction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187453-MS
... PVT measurement dropout experiment Upstream Oil &amp; Gas saturation pressure simulator characterization reservoir fluid data quality accuracy black-oil simulator fluid property reservoir fluid characterization molecular weight equation Modeling &amp; Simulation PVT property...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181272-MS
... control additives are high molecular weight sulfonated copolymers, generally comprising AMPS. The mechanism of action of these polymers has been studied recently and it was demonstrated that adsorption onto the cement surface is key to the achieve product performance. Unfortunately this adsorption yield...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-175085-MS
... enthalpy than paraffinic and naphthenic compounds. fluid modeling ideal gas enthalpy enthalpy equation of state gas-oil contact compositional gradient compositional variation saturation pressure specific enthalpy reservoir composition reservoir 1 molecular weight fluid composition...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-175035-MS
... number analytical model molecule molecular weight surface coverage permeability equation permeability value gas flow apparent permeability society of petroleum engineers Presentation of SPE-175035-MS Presentation of SPE-175035-MS Shale gas reservoirs has become a significant...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-175152-MS
... ( Nelson 2009 ). It is therefore expected that steric hindrance should occur when the molecular sizes of hydrocarbon components become comparable to or even exceed the pore throat sizes. In this situation, the solvents, the components with lower molecular weights, can pass through the restriction, whereas...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170817-MS
... asphaltene thermal method steam-assisted gravity drainage viscosity simulation study heavy oil viscosity molecular weight molecule Exploitation of heavy oil (with viscosity on the order of 1000 cP and higher) is gaining momentum in light of increased scarcity of conventional oil resources...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166097-MS
... to its favorable oil viscosity reduction and phase behavior effects. upstream oil &amp; gas concentration nitrogen compressibility saturation pressure mpa spe 166097 asphaltene precipitation nitrogen concentration pvt measurement molecular weight reservoir fluid liquid phase...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166246-MS
... to each cut. All the unknown parameters can be auto-adjusted by inversion provided a full C1-C5 molecular composition, C1-(C2)-C3/5-C6+ weight percents, GOR and downhole density are provided by the different techniques. Then, the model can predict the other fluid properties (such as molecular weight, FVF...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166414-MS
... fractions of methane through heptanes-plus and nonhydrocarbon impurities, along with molecular weight and specific gravity of the heptanes-plus fraction. The database was restricted to fluids with heptanes-plus content between 1 and 25 mole %, and with relatively low non-hydrocarbon impurities content (less...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-167620-STU
... the dew point pressure of gas condensate reservoirs as a function routinely measured gas analysis and reservoir temperature. The prediction of the dew point pressure was done as a function of the reservoir temperature, composition of the mixture, molecular weight and specific gravity of the heptane plus...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-160314-MS
... complex reservoir motahhari composition equation of state svrcek prediction mpa wc bit 1 molecular weight pvt measurement correlation viscosity data fraction aard mehrotra upstream oil &amp; gas viscosity condensate heavy oil correlation parameter oil viscosity dataset bit 1...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-160170-MS
...-empirical correlation that accurately estimates the CGR of a gas condensate system using fluid densities (or molecular weights). Fluid densities can be obtained either from gradient measurements or directly from the laboratory measurements. To our knowledge, there is no equivalent correlation published...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-159396-MS
... to polymer specificity and thermal stability. A novel type of breaker system, derived from biological sources and displaying catalytic, polymer degrading activity similar to that of enzymes, was obtained and tested for its ability to reduce the viscosity and molecular weight of polymers used in hydraulic...

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