Parameter, unit
Abbreves
1 Operational environment Deep water offshore 1,000 ft sea bedding
2 Number of platforms 3 A North, A South, B 3 Number
4 Producers Active Np 5 5 Producers Suspended Nps 0 6 Producers P&A 7 Injectors Active Ni 0 8 Injectors Suspended Nis 0 9 Injectors P&A
10 Drive mechanism Natural Depletion 11 Lifting mechanism Natural flow 12 Cumulative Voidage Replacement VRR -10 % = 0.9 VΦ 13 Cumulative oil production ∑ Qo 10 MMbbl 14 Cumulative gas production ∑ Qg 1,000 MMscf CumGOR = 15 Cumulative water production ∑ Qw 0 MMbbl 16 Cumulative injection ∑ Qi 0 MMbbl 17 Current water cut Yw 0 % 18 Current Gas-to-Oil Ratio GOR 0.75 MMscf/stb = 1.4 Rs 19 Current formation pressure in producers Pe 1,600 psi = 0.71 Pi
Property |
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Symbols | Value | Unit | Comments |
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Summary Date | 16.03.2004 | |||
Production Start Date | 01.06.1993 | |||
Years in Production | 11 | yrs | ||
Total number |
of wells | Nt | 5 |
Oil Producers Total = Producing + Shut-in + P&A | NOp | 15 = 11 + 3 + 2 | ||
Gas producers Total = Producing + Shut-in + P&A | NGp | 0 | ||
Water Producers Total = Producing + Shut-in + P&A | NWp | 0 | ||
Water injectors = Injecting + Shut-in + P&A | NWi | 8 = 7 + 1 + 0 | ||
Gas injectors = Injecting + Shut-in + P&A | NGi | 0 | ||
Recovery method | Water flooding | |||
Lifting mechanism | ESP | |||
Current formation pressure in producers | Pe | 11,000 | kpa | = 0.71 · Pi |
Cumulative Voidage Replacement | ∑ VRR | 115 | % | |
Current Voidage Replacement | IVRR | 130 | % |
OIL | GAS | WATER | ||||||||||||||
Current RFO | RFO | 28 | % | = 76 % from ERFO | Current RFG | RFG | 12 | % | ||||||||
Cumulative Oil Production | Qo | 1.5 | 106 m3 | Cumulative Gas Production | Qg | 150 | 106 m3 | CumGOR = 1.1 Rs | Cumulative Water Production | Qw | 1.3 | 106 m3 | CumYw = 80% | |||
Cumulative Gas Injection | Qgi | 0 | 106 m3 | Cumulative Water Injection | Qwi | 0 | 106 m3 | |||||||||
Current Oil Production | qo | 0 | 103 m3/d | Current Gas Production | qg | 0 | 103 m3/d | GOR = 0.75 MMscf/stb = 1.4 Rs | Current Water Production | qw | 0 | 103 m3/d | Yw = 20 % | |||
Current Gas Injection | qgi | 0 | 103 m3/d | Current Water Injection | qwi | 0 | 103 m3/d | |||||||||
Current Oil Depletion | QO/VO,ini | 77.7 | % | Current Gas Depletion | QG/VG,ini | 82.1 | % | |||||||||
Initial Oil Reserves per well | VOui | 0.5 | m3/well | VGui | 0.5 | m3/well | ||||||||||
Current Oil Reserves per well | VO,res/NOp,cur | 8 | m3/well | Current Gas Reserves per well | VG,res/NGp,cur | 70 | m3/well | |||||||||
Initial Oil Reserves-to-Production Ratio | RPRO | 50 | yrs | Initial Gas Reserves-to-Production Ratio | RPRG | 50 | yrs | |||||||||
Current Oil Reserves-to-Production Ratio | RPRO | 30 | yrs | Current Gas Reserves-to-Production Ratio | RPRG | 35 | yrs |
See also
...
Petroleum Industry (Oil & Gas Industry) / Petroleum Asset / Petroleum Asset Summary
[ Field Summary ]