Black Rock Oil & Gas' Acacia Este discovery tests at over 100 barrels per day
30 August 2007
Black Rock Oil & Gas Plc has announced that the Acacia Este discovery has undergone testing and production reached a rate of 101 barrels of oil per day with only 5% bottom sediment and water at standard conditions.
The Acacia Well was produced by artificial lift using mechanical pumps. Analysis of the oil indicates that it has the slightly lighter gravity of 16°API compared with the nearby Arce Field.
Currently the Acacia Well is being pumped at 3 or 4 spm and as long as the solids production remains stable, this may be increased to 5 spm until the end of this phase of the test, expected to occur on 31 August. Subsequently the well will be put onto a stabilized production rate for 5 days prior to a 5-10 day shut-in to allow a pressure build up test to be conducted by the operator.
At this point, the joint venture will evaluate various options for the rapid appraisal of the Acacia Este structure including conducting a long-term production test, drilling additional appraisal wells and collecting additional seismic data.
Dr John Cubitt, Managing Director of Black Rock Oil & Gas Plc, commented:
“The results of the testing to date are excellent and are considerably in excess of previously announced cold flow tests on the nearby Arce 3 and Arce 4 wells where well test productivity was approximately 30 barrels of oil per day.
Acacia Este is now considered by the Directors to be a highly significant discovery for Black Rock. Further evaluation of the full well test results will be conducted over the following weeks before plans for a rapid appraisal of the field are prepared”
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