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Tuesday, July 30, 2013
Tanzania recorded another natural gas discovery, adding to its already significant offshore gas reserves. The discovery, the Mkizi-1 well, was drilled by BG Group and Ophir Energy on Block 1.
The well was drilled using the Deepsea Metro I drillship and is located in 1,301 meters water depth, between the Mzia and Jodari discoveries on Block 1. The well encountered gas pay in three reservoir intervals within a Tertiary-aged stacked channel complex. Total net pay was 33 meters and reservoir quality was high with all three intervals exhibiting excellent porosities and permeabilities.
Ophir said that estimates for the mean recoverable resource from the discovery are in-line with its pre-drill expectations of 0.6 Tcf.
The Deepsea Metro I drillship will now move on to drill two appraisal wells, including a drill stem test (DST), on the Pweza discovery located on Block 4. This will be the first DST on the series of Block 4 discoveries, following on from the successful tests in Block 1 on the Mzia and Jodari discoveries.
Nick Cooper, CEO, commented: “The successful Mkizi-1 well is our ninth discovery in Tanzania and continues our 100% strike rate in country, adding further resource to our existing discoveries in Block 1. Appraisal of Pweza will look to further underpin volumes in Block 4 which were upgraded with the recent success of the Ngisi drilling program, whilst the DST is the final stage in firming up the commerciality of the resource across the Chewa-Pweza-Ngisi hub.”
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