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Tuesday, December 15, 2015
VAALCO Energy’s North Tchibala 2-H well, its second development well drilled on the North Tchibala field, was brought online at a stabilized rate of approximately 500 bpd. The well was drilled to a measured depth of 16,476 ft and encountered good quality sands in the Dentale D-18/19 reservoir. The well came on production flowing naturally with no H2S and water free.
VAALCO said that based on production tests in nearby exploration wells, the quality of the reservoir would indicate the potential for a higher flow rate than has been achieved thus far. It is gathering diagnostic data to assess the productive capacity of the North Tchibala 2-H well and to determine if there is remedial work that might increase the flow rate from the well.
The company’s North Tchibala field is the first offshore field to produce from the Dentale formation. The first North Tchibala producer, North Tchibala 1-H, targeted the shallower Dentale D-9 formation at approximately 11,200 ft measured depth and was placed on production during Q3 2015. The North Tchibala 1-H well initially produced at a sustained rate of 3,000 bpd flowing naturally for six weeks with minimal pressure depletion. In late October, the company observed a decline in bottomhole pressure accompanied by an increase in gas production rates. The well was choked back to approximately 1,500 bpd and bottomhole pressure has now stabilized. Production continues to remain at that level, which is still at initial expectations for the well. VAALCO will continue to monitor both Dentale wells and take appropriate actions to optimize long term production and reservoir performance.
The North Tchibala 2-H is the third successful well drilled and placed on production at VAALCO’s new Southeast Etame/North Tchibala (SEENT) platform located in approximately 260 feet of water offshore Gabon.
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