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Friday, October 3, 2014
Ophir Energy and BG Group, operator of Tanzania’s Block 4, have made a new natural gas discovery with the drilling of the Kamba-1 well. Ophir reported that the Kamba-1 and Kamba-1 sidetrack resulted in gas discoveries of 1.03 Tcf in the Kamba and Fulusi prospects.
The well was drilled by the Deepsea Metro I drillship in a water depth of 1,379 meter to a total depth of 3,969 meter with the twin objectives of intersecting the Paleocene-aged Fulusi prospect (a northern extension of the earlier Pweza discovery) and the primary target of the Cretaceous-aged Kamba prospect. The Kamba-1 well encountered an 18-meter gross gas column in the Fulusi prospect and, after sidetracking to test the Kamba prospect, the Kamba-1ST well established another gas column of 140 meters with high net to gross, good quality, reservoir sands.
Ophir said the reservoir sands encountered were of better quality than prognosed pre-drill and further analysis is expected to confirm discovered volumes somewhat in excess of the pre-drill estimated mean (2C) recoverable resources of 1.03 Tcf, comprised of 650 Bcf in Kamba and 380 Bcf in Fulusi.
The Kamba-1 discovery marks 16 discoveries made consecutively by the BG and Ophir JV’s on Blocks 1, 3, and 4. This discovery, plus recent volume updates on the earlier discoveries, increases Ophir’s estimate of the total Block 1, 3 and 4 mean (2C) recoverable resource to 17.1 Tcf. The Kamba-1 result provides critical mass for an LNG train to be supplied from the fields in Block 4 and also takes the overall resource volume to the threshold for a future potential third LNG train to be from Blocks 1 and 4.
The Kamba-1 well represents the Joint Venture’s final well in this current drilling campaign. The Deepsea Metro I drillship will remain in Tanzania and now moves to drill two operated wells for Ophir in the East Pande and Block 7 PSCs.
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