据世界石油1月7日休斯敦报道,阿帕奇和道达尔宣布在苏里南58号区块的Maka Central-1井获得了一处重要的石油发现。该井由Noble Sam Croft钻井船和阿帕奇公司共同开发,阿帕奇和道达尔分别持有50%的权益。
Maka Central-1成功测试了上白垩世Campanian和Santonian层段的多个叠层目标物中是否存在碳氢化合物,并发现了油气凝析油。地层评估程序包括随钻测井和电缆测井、地层压力、初步岩心和流体分析。连同未来的评估井,这些数据将被用来量化Campanian和Santonian地层的资源。
较浅的Campanian层段包含50米(164英尺)的净含烃储层。初步的流体样品和测试结果表明,轻质石油和天然气凝析油的API度在40到60度之间。
较深的Santonian层段包含73米(240英尺)的净含油储层。初步的流体样品和测试结果表明API度在35至45度之间。
裘寅 编译自 世界石油
原文如下:
Apache and Total tally significant oil find offshore Suriname
Apache and Total announced a significant oil discovery at the Maka Central-1 well drilled offshore Suriname on Block 58. The well was drilled using the drillship Noble Sam Croft with Apache as operator holding a 50% working interest and Total holding a 50% working interest.
Maka Central-1 successfully tested for the presence of hydrocarbons in multiple stacked targets in the upper Cretaceous-aged Campanian and Santonian intervals and encountered both oil and gas condensate. The formation evaluation program included logging-while-drilling and wireline logs, formation pressures, and preliminary core and fluid analysis. Together with future appraisal wells, this data will be used to quantify the resource in the Campanian and Santonian formations.
The shallower Campanian interval contains 50 meters (164 feet) of net hydrocarbon-bearing reservoir. Preliminary fluid samples and test results indicate light oil and gas condensate with API gravities between 40 and 60 degrees.
The deeper Santonian interval contains 73 meters (240 feet) of net oil-bearing reservoir. Preliminary fluid samples and tests results indicate API oil gravities between 35 and 45 degrees.