The Bua Ban A-01 well was drilled to a total depth of 7,725ft true vertical depth (TVD). The well encountered 24ft of net pay in the Lower Oligocene reservoir with 14% average porosity. The Bua Ban A-02 well was drilled to a total depth of 7,722ft TVD and encountered 26ft of net pay in the Lower Oligocene reservoir with 16.5% average porosity.
The Bua Ban A-05 well was drilled to a total depth of 7,492ft TVD and encountered 170ft of net pay in the Upper & Lower Oligocene reservoirs with average porosity of 15%.
The A-05 well encountered an expanded Lower Oligocene section containing 85ft of net pay and six distinct oil reservoirs over a gross interval of 832ft. The previous maximum thickness of Lower Oligocene net pay was 68ft encountered in the original Bua Ban 1 discovery well.
The additional 85ft is in new pay zones located above known field structures. The top of the reservoir in the A-05 well was encountered at a depth of 7,036ft and the lowest known oil in the field is located at 7,880ft, indicating a minimum vertical oil column of 844ft.
The company is running completion activities on all three wells and expects to tie in production in the coming days. Following completion of the three wells, the company will continue drilling up to seven more development wells at Bua Ban prior to the end of the current drilling contract in late September 2010.
Testing operations have begun on Benjarong A-01 and A-02 and are expected to be complete by mid-July.
