Granby Oil & Gas said that costs on its Tristan North West project in the UK sector of the North Sea have continued to escalate because of extended delays and equipment failure during the drilling of the production well.Granby said it now expects to contribute another US 8m to the project on top of the 12m it has already invested.
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机译：Granby Oil＆Gas表示，由于生产井钻探过程中的延误和设备故障，其在北海英国部门的Tristan North West项目的成本继续攀升，Granby表示目前预计将再贡献800万美元已经投资了1200万的项目。
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