Property | Symbols | Value | Unit | Comment | |
---|---|---|---|---|---|
Summary Date | 16.03.2004 | ||||
Geology | |||||
Deposit structure | Anticline | ||||
Rock type | Carbonate Rock | mostly packstone | |||
Geological period | Cretaceous | ||||
Depositional environment | Deltaic / Tidal | ||||
Depths | |||||
Surface Elevation | Zalt | 125 | m (above sea) | ||
Average Formation Top | Ztop | 1,457 | m |
TVDSS | |||||
Gas-Oil Contact | GOC | 1,460 | m TVDSS | ||
Oil-Water Contact | OWC | 1,475 | m |
TVDSS | ||||
Datum | Zdat | 1,475 | m |
TVDSS | = OWC | ||||
Thicknesses | |||||
Average formation thickness | H | 30 | m | ||
Net-To-Gross Thickness | NTG | 0.56 | |||
Oil column thickness | ho | 15 | m | field average | |
Gas column thickness | hg | 2 | m | field average | |
Water column thickness | hw | 0 | m | field average | |
Areas | |||||
Net Oil Pay Area | AO | 20 | 106 m2 | ||
Net Gas Pay Area | AG | 3 | 106 m2 | ||
Volumes | |||||
Total pore volume | VΦ | > 300 | 106 m3 | ||
Oil pore volume | VΦO | 180 | 106 m3 | ||
Gas pore volume | VΦG | 20 | 106 m3 | ||
Aquifer volume | Vaqf | > 100 | 106 m3 | ||
Pressure & Temperature | |||||
Pi | 14,300 | kPa | @ |
Initial reservoir temperature | Ti | 67 | °C | @ |
Datum | |||||
Porosity and Shaliness | |||||
ϕe |
25 | p.u. (%) | median average |
Shaliness | Vsh | 4 | % | ||
Compressibility | |||||
Pore compressibility | cr | 1.0 | GPa-1 | ||
Total compressibility in oil area | cto | 2.1 | GPa-1 | ||
Total compressibility in gas area | ctg | 71 | GPa-1 | ||
Total compressibility in aquifer | ctw | 1.45 | GPa-1 | ||
Permeability | |||||
Absolute permeability | ka | 150 | md | median average | |
Vertical-to-horizontal perm ratio | kv/kh | 0.1 |
Oil relative permeability | kro | 0.8 | |||
Gas relative permeability | krg | 0.9 | |||
Water relative permeability | krw | 0.3 | |||
Mobility | |||||
Relative oil mobility | Mro | 0.2 | cp-1 |
kro/μo |
at maximum | |||||
Relative gas mobility | Mrg | 58 | cp-1 | krg/μg at maximum | |
Relative water mobility |
Mrw |
0.6 | cp-1 | krw/μw at maximum | |||
Saturation | |||||
initial water saturation | swi | 0.21 | |||
Residual oil saturation to water | sorw | 0.15 | |||
Residual oil saturation to gas | sorg | 0. |
05 | |||||
Residual gas saturation to water sweep | sgrw | 0.2 | |||
Displacement | |||||
Water→Oil Displacement Efficiency | EDow | 0.81 | |||
Gas→Oil Displacement Efficiency | EDog | 0.94 |
See also
...
Petroleum Industry (Oil & Gas Industry) / Petroleum Asset / Petroleum Asset Summary / Field Summary