据钻机地带4月13日消息称，挪威石油理事会(NPD)周四透露，Aker BP在北海通过生产许可证第919号的25/4-15口初探井发现了石油。
NPD强调，该井的目标是在Heimdal组的古新世储层岩石中发现石油，并表示25/4-15井在Heimdal组中发现了31.5米的油柱，“其中29米是储层质量良好的砂岩储层”。
NPD指出，Heimdal组的总厚度为187米，并补充说，在海平面以下2253米的地方遇到了油/水层。NPD指出，在更深的Heimdal砂层中还发现了1.5米长的残油层，储层质量良好。
NPD透露，25/4-15井的垂直深度为海平面以下2375米，终止于古新世的Heimdal组。据该组织介绍，现场水深为119米。
“初步计算发现的可采石油规模在50万至80万标准立方米之间。”NPD表示。
该组织补充说：“许可证持有者将评估这一发现和附近的其他发现，以寻求可能的开发。”
曹海斌 摘译自 钻机地带
原文如下：
Oil Discovery Made in North Sea
The Norwegian Petroleum Directorate (NPD) revealed Thursday that Aker BP ASA has made an oil discovery in the North Sea through wildcat well 25/4-15 in production license 919.
The NPD, which highlighted that the objective of the well was to prove petroleum in Paleocene reservoir rocks in the Heimdal Formation, said well 25/4-15 encountered a 31.5-meter oil column in the Heimdal Formation, “29 meters of which was a sandstone reservoir with good reservoir quality”.
The Heimdal Formation was 187 meters thick in total, the NPD pointed out, adding that oil/water contact was encountered at 2,253 meters below sea level. A 1.5-meter zone of residual oil was also encountered in deeper Heimdal sand with good reservoir quality, the NPD noted.
Well 25/4-15 was drilled to a vertical depth of 2,375 meters below sea level and was terminated in the Heimdal Formation in the Palaeocene, the NPD revealed. Water depth at the site is 119 meters, the organization outlined.
“Preliminary calculations place the size of the discovery between 0.5 and 0.8 million standard cubic meters of recoverable oil,” the NPD said.
“The licensees will assess the discovery alongside other discoveries in the vicinity with a view towards possible development,” the organization added.
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