| Autor: |
Mohammed Nasser Al Aisary, Ahmed Al-Rashidi, Hamed Ali Al-Subhi, Wafa Al Shizawi, Fathiya Salmi, Arunangshu Dey |
| Rok vydání: |
2011 |
| Předmět: |
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| Zdroj: |
All Days. |
| DOI: |
10.2118/142361-ms |
| Popis: |
W-field is a small satellite field that started seeing some means of pressure depletion. Field development study recommended waterflood as the most effective option to arrest the reservoir pressure decline and enhance the oil production and recovery. The size and the satellite location of the field could not economically justify a conventional water flood project. A "DumpFlood" concept was implemented where a single well is used as a source of water supply and inject domain. The well was perforated in the deeper water reservoir Z and on the injection target reservoir H. The well was completed by an advanced ESP that was designed to produce and inject in the same wellbore across the two set of perforations. Surveillance program was put in place and implemented focusing on reservoir pressure monitoring in the surrounding wells, production metering and periodical surface flow of the dump flood to assess its productivity and injectivity. Downhole gauges were installed in the dumpflood well across the two units to monitor the reservoir pressure behaviour and the calibration of the injection rate. The concept proved its success, an injection water rate of around 1200bpd was achieved in the target zone. Pressure response and some segneficant oil gain in the range of 40% was noticed in the w-feild. The concept is now under review for further implementations in the same field and the design is ongoing to apply the concept in other two fields in the area. The dumpflood concept allowed an economical waterflood project to be applied in Z fields with the expectation of significant oil recovery to be achieved. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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