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Surfactant Enhanced Alkaline Flooding For Light Oil Recovery Quarterly Report March 31 June 30 1993
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Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. [Quarterly] Report, March 31--June 30, 1993 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. [Quarterly] Report, March 31--June 30, 1993 written by and published by . This book was released on 1993 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to develop a very cost- effective method for formulating a successful surfactant-enhanced alkaline flood by appropriately choosing mixed alkalis which form inexpensive buffers to obtain the desired pH (between 8.5 and 12.0) for ultimate spontaneous emulsification and ultra-low tension. In addition, the novel concept of pH gradient design to optimize flood water conditions will be tested. Last quarter we have investigated the mechanisms responsible for spontaneous emulsification in alkali/acidic crude oil systems with and without added surfactant. We have observed that the roll cell size and formation time depend strongly on the pH and ionic strength of the alkaline solution. For a particular roll cell size, the addition of surfactant causes the cells to take longer to form, causing an interfacial resistance to mass transfer and making the interface more rigid. We have shown that interfacial turbulence is a necessary but not sufficient condition for spontaneous emulsification. Low interfacial tension is also a necessary condition. This quarter a microwave interferometric procedure was developed for the determination of low water content (0. 5 to 10 vol%) of water-in-oil macroemulsions. The apparatus operates at a frequency of 23.48 GHz in the K-band microwave region. The procedure is based on the large differences in dielectric properties between water and oil, and it utilizes the variation in phase shift as sample path length is varied. Measurements are accurate to within 0.5 vol% water.
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, April 1, 1995-June 30, 1995 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, April 1, 1995-June 30, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, April 1 - June 30, 1994 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, April 1 - June 30, 1994 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, July 1-September 30, 1995 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, July 1-September 30, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, July 1 - September 30, 1994 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, July 1 - September 30, 1994 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, October 1-December 30, 1994 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, October 1-December 30, 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery ; Quarterly Report, October 1--December 31, 1993 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery ; Quarterly Report, October 1--December 31, 1993 written by and published by . This book was released on 1993 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to develop a very cost-effective method for formulating a successful surfactant-enhanced alkaline flood by appropriately choosing mixed alkalis which form inexpensive buffers to obtain the desired pH (between 8.5 and 12.0) for ultimate spontaneous emulsification and ultra-low tension. In addition, the novel concept of pH gradient design to optimize flood water conditions will be tested. This quarter we investigated the phase behavior and the regions where in the middle phase occurs. Middle phase was found to go through a maximum with pH, sodium concentration and surfactant concentration. The optimum pH is about 12.0 to 13.5, the optimum sodium concentration is about 0.513 mol/liter, and the optimum surfactant concentration is about 0.2%. The effect of surfactant type was also investigated. Petrostep B-105 was found to give the most middle phase production. A white precipitate was observed in some two-phase samples. For a given surfactant concentration, as pH is increased, the maximum volume of middle phase shifts to higher salinities. For a given pH, as surfactant concentration is increased, the maximum volume of middle phase shifts to higher salinities.
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light-oil Recovery by : Darsh T. Wasan
Download or read book Surfactant-enhanced Alkaline Flooding for Light-oil Recovery written by Darsh T. Wasan and published by . This book was released on 1994 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, January 1--March 31, 1994 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Quarterly Report, January 1--March 31, 1994 written by and published by . This book was released on 1994 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this project is to develop a very cost-effective method for formulating a successful surfactant-enhanced alkaline flood by appropriately choosing mixed alkalis which form inexpensive buffers to obtain the desired pH (between 8.5 and 12.0) for ultimate spontaneous emulsification and ultra-low tension. In addition, the novel concept of pH gradient design to optimize flood water conditions will be tested. Last quarter we investigated the phase behavior and the regions where in the middle phase occurs. The optimum phase was found to go through a maximum with pH, sodium concentration and surfactant concentration. The optimum pH is about 12.0 to 13.5, the optimum sodium concentration is about 0.513 mol/liter, and the optimum surfactant concentration is about 0.2%. The effect of surfactant type was also investigated. Petrostep B-105 was found to give the most middle phase production. This quarter, we investigated the contact angle of Long Beach oil, Adena oil, and a model oil on a solid glass surface in contact with an aqueous alkaline solution both with and without added preformed surfactant. The contact angle with Long Beach and Adena oils showed oil-wet conditions, whereas the model oil showed both oil-wet and water-wet conditions depending on the pH of the aqueous phase. The addition of surfactant to the alkaline solution resulted in making the system less oil-wet. Spreading of the oil on the glass surface was observed in all three systems investigated.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light-oil Recovery by : Darsh T. Wasan
Download or read book Surfactant-enhanced Alkaline Flooding for Light-oil Recovery written by Darsh T. Wasan and published by . This book was released on 1994 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Final Report by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Final Report written by and published by . This book was released on 1996 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, we present the results of our experimental and theoretical studies in surfactant-enhanced alkaline flooding for light oil recovery. The overall objective of this work is to develop a very cost-effective method for formulating a successful surfactant-enhanced alkaline flood by appropriately choosing mixed alkalis which form inexpensive buffers to obtain the desired pH (between 8.5 and 12. 0) for ultimate spontaneous emulsification and ultralow interfacial tension. In addition, we have (1) developed a theoretical interfacial activity model for determining equilibrium interfacial tension, (2) investigated the mechanisms for spontaneous emulsification, (3) developed a technique to monitor low water content in oil and (4) developed a technique to study water-in-oil emulsion film properties, (5) investigated the effect of surfactant on the equilibrium and transient interfacial tension, (6) investigated the kinetics of oil removal from a silica surface, and (7) developed a theoretical interfacial activity model for determining equilibrium interfacial tension, accounting for added surfactant. The results of the studies conducted during the course of this project are discussed.
Book Synopsis Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Final Report 1994--1995 by :
Download or read book Surfactant-enhanced Alkaline Flooding for Light Oil Recovery. Final Report 1994--1995 written by and published by . This book was released on 1995 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, the authors present the results of their experimental and theoretical studies in surfactant-enhanced alkaline flooding for light oil recovery. The overall objective of this work is to develop a very cost-effective method for formulating a successful surfactant-enhanced alkaline flood by appropriately choosing mixed alkalis which form inexpensive buffers to obtain the desired pH (between 8.5 and 12.0) for ultimate spontaneous emulsification and ultralow interfacial tension. In addition, the authors have (1) developed a theoretical interfacial activity model for determining equilibrium interfacial tension, (2) investigated the mechanisms for spontaneous emulsification, (3) developed a technique to monitor low water content in oil, and (4) developed a technique to study water-in-oil emulsion film properties, (5) investigated the effect of surfactant on the equilibrium and transient interfacial tension, (6) investigated the kinetics of oil removal from a silica surface, and (7) developed a theoretical interfacial activity model for determining equilibrium interfacial tension, accounting for added surfactant. The results of the studies conducted during the course of this project are summarized.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhanced Oil Recovery Field Case Studies by : James J. Sheng
Download or read book Enhanced Oil Recovery Field Case Studies written by James J. Sheng and published by Elsevier Inc. Chapters. This book was released on 2013-04-10 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter discusses about these interactions between alkali and surfactant: (1) addition of an alkali in a surfactant solution equivalently adds salt; (2) addition of an alkali in a surfactant solution changes the surfactant phase behavior; and (3) addition of an alkali in a surfactant solution reduces surfactant adsorption. After presenting those fundamentals, two field pilots are presented: Big Sinking field in East Kentucky and White Castle field in Louisiana.
Book Synopsis Surfactant Development for Enhanced Oil Recovery. Seventh Quarterly Report, April 1-June 30, 1995 by :
Download or read book Surfactant Development for Enhanced Oil Recovery. Seventh Quarterly Report, April 1-June 30, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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