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Keywords: drainage
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Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-25
... Abstract Experiments performed on immiscible displacement of heptanes and mineral oil by water in capillary tubing showed that capillary pressure during drainage and imbibitions were constant over a range of velocity from 10 −4 to 10 −2 m /s. The results obtained were quite different from the...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-132
... ability for modeling both stationary and non-stationary states. The computational experiments allowed to analyze the impact of the geometry of the system «reservoir + HW » on performance indexes and to infer new flow rate formulas for stationary and non-stationary drainage. The proposed method is based...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-65
... advances have allowed operators to select the best or most appropriate well profile, geometry, and formation entry points. The economies of being able to select these criteria for the best producing benefit of the formation in order to improve drainage, contact natural fractures, or reduce water production...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-28
... and frequently becomes uneconomic even before 5% of the oil in place is recovered. Due to excessive heat losses to the base and cap rocks, thermal processes such as Steam Assisted Gravity Drainage (SAGD) etc. are often not viable in these reservoirs. These reservoirs seem to be potential candidates...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–8, 1995
Paper Number: PETSOC-95-102
... In a previous study, we have simulated gas-oil gravity drainage in fracturedporous media. Numerical simulation results showed that fracture capillarypressure is an important two-phase flow parameter in a matrix/fracturesystem. The main focus of this paper is to analyze experiments on...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–8, 1995
Paper Number: PETSOC-95-73
... phase system flowcannot be described as simply "drainage" or "imbibition ". Rather, flow must bedescribed as "drainage / drainage ". "drainage / imbibition" or "imbibition /imbibition " to account for the change in saturation of all three phases. Thispaper elaborates on the issues governing three phase...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–14, 1994
Paper Number: PETSOC-94-23
... Abstract We propose a simple approach to simulate gas-oil gravity drainage process in fractured porous media by using an appropriate fracture capillary pressure curve and an expression for effective fracture liquid permeability. The effective fracture liquid permeability is approximated by...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 8–11, 1993
Paper Number: PETSOC-93-25
... Abstract Accurate drainage and imbibition relative permeability data are essential for the accurate prediction of the performance of heavy oil reservoirs undergoing cyclic steam stimulation or steam drives. There is very little published data regarding steady state relative permeability...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 24–27, 1980
Paper Number: PETSOC-80-31-38
... dynamic method] and the centrifugal method4 4,5,6 The restored state technique is accurate, and it allows for the attainment of both the drainage and imbibition branches of the capillary pressure loop. However, the time required to obtain a curve is prohibitive. As a consequence, most of the data...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 24–27, 1980
Paper Number: PETSOC-80-31-33
... commercially viable production rates from these formerly low producers. However, even with these fracturing techniques, much of the reservoir may be leftunrecovered because of the unique drainage pattern in low permeability reservoirs. Smith 1 (1979) has demonstratedthat the drainage around a fracture...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 10–12, 1975
Paper Number: PETSOC-75-14
... drainage and imbibition relative permeabilities were considered in the model. Ultimate oil recoveries for the three rate cases were 22.8, 20.6 and 17.6 percent of the stock-tank oil initially in place. It is concluded that in the radial system, as in the linear system., oil recoveries are greater at...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 6–9, 1974
Paper Number: PETSOC-374005
... derived from observations that counter-current imbibition and gravity drainage are time-dependent recovery mechanisms and can more effectively contribute to ultimate recovery at lower reservoir withdrawal rates. This paper describes results of a study to determine the effects on oil recovery of production...

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