FIELD: recovery of oil from carbonate collectors at late stage of operation. SUBSTANCE: at late stage of operation system of wells is flooded with change of direction of filtration flow of fluid. Oil recovery is conducted with maintenance of formation pressure in well in interval corresponding to interval of maximum oil output for previous period. Oil output is forced when formation pressure in interval reaches maximum value. Oil recovery is stopped when minimal value of formation pressure is reached. Interval of formation pressure is determined by information collected during previous period. Dependence pressure-time is established first. Then pressure interval corresponding to interval of maximum oil output is chosen from it. EFFECT: expanded range of methods of oil recovery from carbonate collectors. 2 tbl
Title | Year | Author | Number |
---|---|---|---|
PROCESS OF ISOLATION OF WATER INFLOW IN OIL WELL | 2000 |
|
RU2186939C2 |
METHOD OF SELECTIVELY INSULATING FORMATION WASTE WATER (VERSIONS) | 1999 |
|
RU2153062C1 |
DEVELOPMENT METHOD OF OIL FRINGE IN CARBONATE RESERVOIR OF COMPLEX STRUCTURE | 2012 |
|
RU2509878C1 |
METHOD OF DEVELOPING OIL DEPOSITS | 2015 |
|
RU2578090C1 |
DEVELOPMENT METHOD OF NON-HOMOGENEOUS OIL DEPOSIT | 2011 |
|
RU2471971C1 |
METHOD OF INCREASING OIL RECOVERY IN AREAS OF NON-STATIONARY WATER FLOODING | 2023 |
|
RU2817834C1 |
PROCEDURE FOR DEVELOPMENT OF OIL DEPOSIT | 2010 |
|
RU2417306C1 |
METHOD OF DROWNED OIL POOL DEVELOPMENT AT LATE STAGE | 2001 |
|
RU2197604C2 |
METHOD FOR EXTRACTING WATERED OIL DEPOSIT AT LATER STAGE BY MEANS OF GAS-HYDRODYNAMIC INFLUENCE | 2003 |
|
RU2236573C1 |
METHOD FOR DEVELOPING A GEOLOGICALLY HETEROGENEOUS OIL RESERVOIR BY WATERFLOODING | 2022 |
|
RU2779501C1 |
Authors
Dates
2003-04-27—Published
2001-05-28—Filed