Tullow Oil has announce today April 13, 2011 that it has encountered gas at the Tweneboa-4 well after a successful appraisal and exploration was conducted.
According to Tullow, the well was drilled in the western flank of the accumulation to complete the appraisal of the Tweneboa gas-condensate discovery.
“The well encountered 18 metres of net gas condensate pay in high quality stacked reservoir sandstones which are in static pressure communication with both the Tweneboa-1 and Tweneboa-2 wells”, the company said in a statement published on its website.
The statement added: “The Deepwater Millennium dynamically positioned drillship drilled Tweneboa-4 to a total depth of 4,007 metres in water depths of 1,436 metres.”
The Tweneboa-4 well is located at the Deepwater Tano licence offshore Ghana far 3.9 kilometres from southwest of the Tweneboa-2 appraisal well.
Tullow indicated that the rig used for the operations will then be moved to perform drill stem tests on the Tweneboa-2 oil and gas-condensate accumulations.
Tullow operates the Deepwater Tano licence with a share of 49.95% and is partnered by Kosmos Energy Ghana (18%), Anadarko Petroleum (18%), Sabre Oil & Gas (4.05%) and the Ghana National Petroleum Corporation (GNPC) (10% carried interest).
By Ekow Quandzie