Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ahmad Moradi-araghi"'
Publikováno v:
SPE Reservoir Engineering. 8:128-134
Summary A freshwater polymer-flood project was implemented in a 1, 440-acre area of the North Burbank Unit (NBU) in 1980 with sequential injection of 4.2 million lbm of polyacrylamide and 4.0 million lbm of a 2.9% aluminum citrate crosslinking soluti
Publikováno v:
Makromolekulare Chemie. Macromolecular Symposia. 64:121-135
This paper describes polymerization and properties of a number of water-soluble polymers suitable for enhanced oil recovery applications. The polymers described here can tolerate long-term exposure to hostile environment conditions of elevated temper
Publikováno v:
All Days.
Abstract Several laboratory CO2-foam experiments were performed in South Cowden Unit cores to select a suitable surfactant for possible CO2-foam application in the South Cowden Unit. Four surfactants Chaser CD-1045, Chaser CD-1050, Foamer NES-25 and
Autor:
K. Olafsen, Iqbal Ahmed, T. Braen, Aly-Anis Hamouda, K. Daasvatn, O.I. Eriksen, Ahmad Moradi-Araghi, B. Vigerust
Publikováno v:
Scopus-Elsevier
Abstract This paper will describe the details of experimental conditions and will present gelling systems for potential water shut-off and profile modification applications under hostile environmental conditions. A range of copolymers of acrylamide w
Publikováno v:
All Days.
A low toxicity polymer crosslinking system has been developed which is tolerant of high brine salinity and hardness and has worked well in two field applications. The system involves the gelation of polyacrylamide with zirconium lactate; this is a lo
Autor:
Ahmad Moradi-Araghi
Publikováno v:
All Days.
Moradi-Araghi, Ahmad, Phillips Petroleum Co. SPE Member Abstract Earlier reports from our laboratory described a number of thermally-stable water-soluble polymers which tolerate extensive aging times in brines with high salinity and hardness levels a
Publikováno v:
SPE Reservoir Engineering. 2:461-467
Summary This paper describes the properties of synthetic water-soluble polymers that are stable for extended periods of time in hard brines at very high temperatures. Several copolymers of vinylpyrrolidone (VP) and acrylamide (AM) were prepared and e
Autor:
Peter H. Doe, Ahmad Moradi-Araghi
Publikováno v:
SPE Reservoir Engineering. 2:189-198
Summary Laboratory data are used to show that commercial polyacrylamides hydrolyze to an equilibrium degree that depends on the temperature of hydrolysis but is largely independent of the brine composition. At greater than 20 ppm hardness levels, pol
Autor:
Samir G. Gharfeh, Ahmad Moradi-Araghi
Publikováno v:
Journal of Chromatography A. 366:343-350
A method was developed for the determination of anionic high-molecular-weight water-soluble polymers in oil field brines using size-exclusion chromatography with ultraviolet detection. The stationary phase is coated controlled pore glass and the mobi
Publikováno v:
Journal of Organometallic Chemistry. 116:C17-C20
Evidence based on amine substitution reactions in W(CO)4(tmpa) (tmpa = N,N,N′,N′-tetramethyl-l,3-diaminopropane) and cis-(C5H10NH)(PPh3)W(CO)4 with PPh3 and 13CO indicates (a) that the square pyramidal [W(CO)4PPh3] intermediate arising from amine