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北海评价井作业上调油气发现资源量预估

作者:   发布时间:2026年09月27日    浏览量:10   字体大小:  A+   A- 

北海评价井作业上调油气发现资源量预估
图片来自网络,版权属于原作者

来源:Offshore Energy 2026-09-25
翻译:国际海事信息网 李海泊 张运鸿

        挪威三家油气企业 Aker BP、Equinor 和 DNO 近日在挪威近海北海海域,针对两处油气发现实施评价钻井作业。钻探结果显示,这两处油气藏的预估资源规模较此前明显上调。

        据挪威海洋管理局(Norwegian Offshore Directorate,NOD)披露,Aker BP 联合合作方 Equinor和DNO,在北海 Verdandi 与 Lillefix 两处油气发现完成 16/1-EA-4 H 评价井钻探,本次作业提升了两处发现的资源量预期。

        16/1-EA-4 H 井位于斯塔万格以西约 200 公里,由Odfjell Drilling旗下 “Deepsea Nordkapp” 钻井平台承担钻探任务。该井依托 Symra 油田的海底井口模板,采用水平评价井模式实施作业。 本井为167 号生产许可证(Production Licence 167)区块内的第 11 口勘探井,该许可证在挪威第 13 轮许可证授予轮次中获批。

        16/1-EA-4 H井钻至海平面以下 1864 米垂深,完钻于古新世 Heimdal 组地层。作业目标为落实 Heimdal 组古新统储层,探明储层展布范围,同时验证前期推断的油水界面位置。

        钻井在 Heimdal 组砂岩层中钻遇 14 米气柱和44 米油柱,气油界面位于海平面以下 1776 米处。作业在 Heimdal 组油层内完成累计 1515 米水平储层段钻进,储层品质中等;作业期间同步开展资料录取,采集流体样品、获取地层压力测点。

        开展本次评价钻井前,合作方预估 Verdandi、Lillefix 两处发现资源量为 60 万–190 万标准立方米油当量(折合 400 万–1200 万桶油当量)。 钻井后的初步测算显示,资源量预估上调至 130 万–240 万标准立方米油当量(折合 800 万–1500 万桶油当量)。

        作业区域水深 116 米,16/1-EA-4 H 井现已完成永久封堵弃井(Plugged and Abandoned,P&A)。下一步各合作方将评估该油气发现的开发经济性,研判其是否具备回接至Symra油田现有设施进行开发的可行性。

        (本文版权归国际海事信息网所有,图片版权归原作者,转载请注明出处。)

Three Norwegian oil and gas players – Aker BP, Equinor, and DNO – have carried out appraisal drilling activities on two hydrocarbon discoveries in the North Sea off the coast of Norway, raising the estimated size of these finds.

Aker BP and its partners, Equinor and DNO, have drilled the 16/1-EA-4 H appraisal well on the Verdandi and Lillefix discoveries in the North Sea, which has increased the projected discovery size, according to the Norwegian Offshore Directorate.

The well 16/1-EA-4 H was drilled about 200 kilometers west of Stavanger by Odfjell Drilling's Deepsea Nordkapp rig from the subsea template on the Symra field as a horizontal appraisal wellbore. This was the 11th exploration well in production license 167, which was awarded in the 13th licensing round.

The well was drilled to a vertical depth of 1,864 meters below sea level and terminated in the Heimdal Formation from the Palaeocene, with the objective of proving reservoir rocks from the Palaeocene in the Heimdal Formation and confirming the extent of the reservoir and presumed oil-water contact.

The well encountered a 14-meter gas column and a 44-meter oil column in sandstone layers in the Heimdal Formation. The gas-oil contact was encountered at 1,776 meters below sea level.
 
A total of 1,515 reservoir meters were drilled horizontally through the oil zone in the Heimdal Formation with moderate reservoir quality. Data acquisition has been carried out, which included obtaining fluid samples and pressure points.

While the companies presumed that the size was 0.6–1.9 million standard cubic meters of oil equivalent (4-12 million barrels) before appraisal drilling, preliminary calculations after drilling amount to 1.3–2.4 million standard cubic meters of oil equivalent (8-15 million barrels).

The water depth at the drilling site is 116 meters, and the well has been permanently plugged and abandoned. The partners are now considering the profitability and whether the discovery can potentially be tied back to the Symra field.

来源:simic