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Keywords: concentration
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Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 935–942.
Paper Number: SPE-9332-PA
Published: 01 December 1985
... pseudoplastic model concentration newtonian shear rate direct determination conversion viscosity drilling fluids and materials viscometer newtonian model drilling fluid formulation shear rate rs model artificial intelligence drilling fluid chemistry shear stress hb model flow curve fluid model...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 875–880.
Paper Number: SPE-11436-PA
Published: 01 December 1985
... of Petroleum Engineers upstream oil & gas uranium ore ore metals & mining leachate carbonaceous material batch test recovery efficiency sodium hypochlorite concentration naoci concentration crownpoint ore naoci uranium oxidant leach test rate constant naocl new mexico ore...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 857–864.
Paper Number: SPE-12771-PA
Published: 01 December 1985
... be useful in controlling the erosion of the wellbore and gravel pack. 14 4 1984 4 2 1985 19 9 1984 1 12 1985 1 12 1985 Copyright 1985, Society of Petroleum Engineers chemical flooding methods calculation equilibrium alkaline solution concentration alkalinity...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (05): 711–718.
Paper Number: SPE-11798-PA
Published: 01 October 1985
... the origin of the reversible hydroxide uptake to be ion exchange of sodium for hydrogen ions. Using a simple, mass-action equilibrium model, we describe the alkali exchange isotherm. Because hydronium and hydroxide concentrations in water are never zero, hydroxide uptake must be reported relative...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (05): 687–692.
Paper Number: SPE-11784-PA
Published: 01 October 1985
...D. L. Kuehne; D. W. Shaw Polymers and sulfonates are often part of the multicomponent chemical systems designed to increase oil recovery from depleted reservoirs. The objective of this work was to develop reliable, analytical methods for measuring Polyacrylamide concentration in the presence...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (05): 693–703.
Paper Number: SPE-12586-PA
Published: 01 October 1985
... . cosurfactant concentration pseudocomponent pseudophase amphiphilic species fraction material balance phase behavior plane chemical flooding methods pvt measurement artificial intelligence brine enhanced recovery upstream oil & gas salinity composition pseudophase model partition...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (05): 647–655.
Paper Number: SPE-11749-PA
Published: 01 October 1985
... chemical hydrogen-sulfide removers will be presented also. 12 3 1983 6 12 1984 15 11 1984 1 10 1985 1 10 1985 Copyright 1985, Society of Petroleum Engineers application scavenger upstream oil & gas sulfide concentration magna corp patent concentration...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (05): 704–710.
Paper Number: SPE-12724-PA
Published: 01 October 1985
... mechanical mill. After ultra-centrifugation, chloride content is determined by coulo-metric titration. The chloride concentrations and total pore-water concentrations, obtained earlier from the same samples by low-temperature vacuum desiccation, are used to arrive at the "original" pore-water chloride...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (04): 603–613.
Paper Number: SPE-11233-PA
Published: 01 August 1985
... chemical flooding methods flow rate upstream oil & gas mobility control holm relative mobility viscosity pressure drop mobility dispersion enhanced recovery concentration foamlike dispersion drilling fluid selection and formulation reservoir surveillance drilling fluids and materials...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (04): 594–602.
Paper Number: SPE-10617-PA
Published: 01 August 1985
...J. C. Philips; J. W. Miller; W. C. Wernau; B. E. Tate; M. H. Auerbach High-pyruvate xanthan (HP xanthan) is produced by a proprietary strain of the Xanthomonas campestris organism and is available in the form of a 3 to 5 % broth or a 12 to 15% concentrate. The liquid product is supplied...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (04): 524–534.
Paper Number: SPE-10201-PA
Published: 01 August 1985
... been generalized to multiphase flow and was used to aid in interpreting these data. This combination of relative permeability and dispersion in each phase of the experiment with a high-concentration, three-phase-microemulsion sulfonate formulation is believed to be new, and more directly applicable...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (04): 587–593.
Paper Number: SPE-12561-PA
Published: 01 August 1985
... drilling fluids and materials sodium orthosilicate calcium reservoir sand flooding consumption flow study drilling fluid selection and formulation reaction chemical reaction concentration sulfate drilling fluid property sodium hydroxide alkaline chemical drilling fluid formulation sandpack...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (04): 580–586.
Paper Number: SPE-12126-PA
Published: 01 August 1985
... sandstone was carried out. The assumptions required are reviewed and independent experimental results presented. With these assumptions and parameter values determined from the Berea history match, satisfactory predictions of divalent cation concentrations in field core experiments have been made. The good...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (03): 343–350.
Paper Number: SPE-10603-PA
Published: 01 June 1985
...P. Somasundaran; H. Shafick Hanna In micellar flooding, reservoir rocks are exposed to surfactant solutions of varying concentrations as the surfactant slug advances through the reservoir. Therefore, the attachment and detachment of sulfonates with rocks that are already exposed to surfactant...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (03): 351–357.
Paper Number: SPE-11771-PA
Published: 01 June 1985
... and microemulsion regimes for the n = 3 species. The study presented in Fig. 3 for n = 3 eliminates this complication since the alcohol, whose concentration was varied, was secondary butanol. As noted earlier, 10 this alcohol has little influence on optimum formulation. One sees that the preferred...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (02): 176–190.
Paper Number: SPE-12129-PA
Published: 01 April 1985
... effect upstream oil & gas concentration curvature bubble size An early conceptual model for the relative permeability of two-phase flow was the bundle of capillary tubes model. In this model, the wetting phase flowed in the smaller capillaries and the nonwetting phase flowed in the larger...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (01): 9–13.
Paper Number: SPE-10614-PA
Published: 01 February 1985
...). Highly saline water (100 g/dm 3 [0.2 lbm/L]) was used for the displacement tests, as well as for the preparation of the polymer solutions. From the eluate sampled during each flooding test, a concentration profile and a viscosity profile were recorded. A comparison between the two profiles gives...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (01): 67–77.
Paper Number: SPE-10723-PA
Published: 01 February 1985
... temperature reservoir characterization oxygen fracture heat loss concentration bitumen combustion front oil sand fissure in-situ combustion enhanced recovery complex reservoir reaction upstream oil & gas evaporation injection rate temperature profile breakthrough matrix saturation...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (06): 667–676.
Paper Number: SPE-10598-PA
Published: 01 December 1984
...Ponisseril Somasundaran; Kavssery P. Ananthapadmanabhan; Mehmet S. Celik; Emil D. Manev Precipitation phenomenon in the sodium dodecylsulfonate system has been investigated in this study at various levels of CaCl 2 in a wide range of NaCl concentrations. While precipitation is found to be caused...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (06): 617–627.
Paper Number: SPE-9009-PA
Published: 01 December 1984
... describes the unsteady-state flow of fluids and accounts for additional pressure- and concentration-dependent variables such as average mass velocity, effective dispersivity, and FVF that most compositional models do not. Numerical solutions to this model are obtained by a finite-difference method...
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