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in subjects: "Separation Processes 020300* -- Petroleum-- Drilling & Production"  
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Determination of miscibility pressure by direct observation method. Quarterly report, January 1-March 31, 1982

Description: The objective of the project is to conduct laboratory tests to: (1) develop a method for determining MMP through direct observation using a high pressure cell; (2) determine feasibility of in-situ foam generation by visual observation and microphotographic technique. The project is presently organized and carried out in three major fronts: (1) MMP test; (2) high pressure sampling and chemical analysis; and (3) foam study and displacement test. The technical progress in each of these areas is di… more
Date: January 1, 1982
Creator: Wang, G. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Development of technology for entrainer-enhanced CO sub 2 flooding

Description: The results of studies conducted to evaluate the development of the technology for utilizing entrainers for carbon dioxide (CO{sub 2}) flooding are described. Experiments were conducted to determine the extent of the fluid-property enhancement (gas-phase density and viscosity) of CO{sub 2} + hydrocarbon and CO{sub 2} + crude oil systems in the presence of selected entrainers (cosolvents). The improvement in CO{sub 2}-rich phase hydrocarbon extraction capacity was also determined in the presence… more
Date: September 1, 1989
Creator: Llave, F.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Improved CO sub 2 enhanced oil recovery -- Mobility control by in-situ chemical precipitation

Description: The overall objective of this study has been to evaluate the feasibility of chemical precipitation to improve CO{sub 2} sweep efficiency and mobility control. The laboratory experiments have indicated that carbonate precipitation can alter the permeability of the core samples under reservoir conditions. Furthermore, the relative permeability measurements have revealed that precipitation reduces the gas permeability in favor of liquid permeability. This indicates that precipitation is occurring … more
Date: June 1, 1991
Creator: Ameri, S.; Aminian, K.; Wasson, J. A. & Durham, D. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Oil recovery improvement through profile modification by thermal precipitation

Description: The objective of this study is to develop the method of temperature dependent precipitation as a means to modify injection profiles in petroleum reservoirs. A saturated solution is injected into a reservoir at high temperature and allowed to cool. If the chemical has a decreasing solubility with decreasing temperature, the chemical will precipitate in the reservoir. This will plug that part of the reservoir and divert subsequently injected fluids into other regions of the reservoir.
Date: January 1, 1991
Creator: Reis, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Study to determine the technical and economic feasibility of reclaiming chemicals used in micellar polymer and low tension surfactant flooding. Progress report, June 18--July 15, 1977. [By ultrafiltration and reverse osmosis]

Description: Additional literature on surfactant and emulsion characterization and reverse osmosis and ultrafiltration membranes was obtained. The ultrafiltration membrane testing equipment design was completed, and the equipment components were ordered. (LK)
Date: July 1, 1977
Creator: Stephens, R. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Study to determine the technical and economic feasibility of reclaiming chemicals used in micellar polymer and low tension surfactant flooding. Final report. [Ultrafiltration membranes and reverse osmosis membranes]

Description: Energy Resources Company has developed a technology for use with enhanced oil recovery to achieve emulsion breaking and surfactant recovery. By using ultrafiltration membranes, the Energy Resources Company process can dewater an oil-in-water type emulsion expected from enhanced oil recovery projects to the point where the emulsion can be inverted and treated using conventional emulsion-treating equipment. By using a tight ultrafiltration membrane or a reverse osmosis membrane, the Energy Resour… more
Date: February 1, 1978
Creator: Stephens, Richard H.; Himmelblau, Andrew & Donnelly, Richard G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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