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Keywords: mobility
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Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39793-MS
... to be adequate for field scale CO-foam simulation. The results also confirm that the communication path between the foam injection well and the offending well had a strong impact on the production performance. P. 365 enhanced recovery foam pilot area historical data miscible method mobility history...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39789-MS
... Abstract Some surfactants that we tested were found to be more capable of selectively reducing gas mobility by a greater fraction in high- permeability sands. It is expected that foam can mitigate the problem of an early gas breakthrough in EOR processes. Laboratory experiments were conducted...
Proceedings Papers

Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, March 23–26, 1998
Paper Number: SPE-39792-MS
... Abstract The potential for using mixed surfactants at low concentration to improve mobility control in CO flooding was evaluated in laboratory experiments. We examined various mixed surfactant systems, such as alpha olefin sulfonate and ethoxylated alcohol sulfate, through foam durability...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35168-MS
... Abstract C0 2 -foam has been long realized as an effective mobility reducing agent for C0 2 flooding in oil recovery process. Recent researches indicate that some C0 2 -foams also show an exciting additional characteristic, selective mobility reduction (SMR), in which the mobility of foam...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35169-MS
... solution will produce a foam with CO 2 , which not only controls the gas mobility but may also selectively reduce the gas mobility through regions of differing permeabilities. Experiments were conducted to test the CO 2 -foam behavior in composite parallel core samples where the two permeability regions...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35171-MS
... remediation communication cement conformance control technology spe 35171 relative permeability information water production spe 35171 permeability conformance improvement mobility application Introduction The purpose of this paper is to identify reservoirs associated with excessive gas...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35166-MS
... segregation water saturation permeability mechanism injection rate stone 15 mobility enhanced recovery jenkins flow in porous media radial flow override reservoir simulation jenkins 16 foam reservoir characterization miscible method displacement modeling & simulation rossen...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 27–29, 1996
Paper Number: SPE-35172-MS
... Abstract In this paper, we investigate whether foams can show placement properties that are superior to those of gels, when used as blocking agents. Specifically, we examine whether the concept of limiting capillary pressure can be exploited to form a persistent, low-mobility foam in high...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 16–18, 1994
Paper Number: SPE-27675-MS
... on the calculation of foam apparent viscosity. Because of varying brine permeability, the resistance factor data is more suitable for simulator input than the apparent viscosity data. enhanced recovery mobility society of petroleum engineers miscible method surfactant foam generation resistance factor...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 16–18, 1994
Paper Number: SPE-27729-MS
... ABSTRACT Carbon dioxide flooding has been recognized as an efficient means of recovering oil. However, the efficiency is marred due to the unfavorable mobility ratio between CO 2 and the oil to be displaced and die poor sweep efficiency resulting from the heterogeneity of the reservoir...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 18–20, 1992
Paper Number: SPE-23974-MS
... field experience. 3 Thus, the overall mobility ratio for the base case of CO 2 displacing oil is 8.0 when relative permeability effects (see both Table 1 and Appendix A ) are taken into account. The viscosity of phases that contain mixtures of CO 2 and oleic components is calculated based...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 18–20, 1992
Paper Number: SPE-24013-MS
... In recent years, the application of C0 2 -foam in mobility control has gained more interest among surfactant-based enhanced oil recovery processes. 1 - 3 This is because the mobility-controlled C0 2 flood can mitigate the problems of frontal instability as well as the preferential flow of C0...

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