据OE网站6月9日报道，美国石油巨头埃克森美孚（ ExxonMobil ）周三表示，其在圭亚那近海的Stabroek区块又发现了一处石油，这次是在Longtail-3油井。
埃克森美孚称，Longtail-3 的钻探遇到了 230 英尺（70 米）的净储层，包括在原始 Longtail-1 发现区间下方新发现的优质含油气储层。 该井位于 Longtail-1 井以南约 2 英里（3.5 公里）处。
埃克森美孚勘探和新企业高级副总裁迈克·卡森斯（Mike Cousins）表示，与我们最近在 Uaru-2 的发现相结合的Longtail-3,有可能提高我们对Stabroek区块的资源估计，显示出这一世界级资源的进一步增长，以及我们在圭亚那海上的高潜力开发机会。
Stabroek区块的Longtail-1发现于2018年钻探，遇到了大约256英尺（78米）高质量含油砂岩储层。
今年第一季度埃克森美孚又部署了另外两艘钻井船;Stena DrillMAX和Noble Sam Croft能够进行进一步的勘探和评估，同时继续圭亚那近海的开发钻探活动。随着公司在Stabroek区块推进其15口井活动，DrillMAX将转移到Whiptail-1，而Noble Sam Croft支持Liza二期开发钻探。
埃克森美孚表示，在Stabroek区块的其他钻井活动中，Mako-2评价很好地证实了储层的质量、厚度和面积范围。
其补充道，当与之前宣布的Uaru-2发现相结合时，这些数据支持Liza综合设施以东地区可能会有第五艘浮式生产储油船。Stabroek区块的Koebi-1勘探井已显示出非商业碳氢化合物的证据。
Stabroek区块占地660万英亩(26800平方公里)。
埃克森美孚子公司埃索勘探与生产圭亚那有限公司（Esso Exploration and Production Guyana Limited）作为运营商，持有Stabroek区块45%的权益。赫斯圭亚那勘探有限公司（Hess Guyana Exploration Ltd.）持有30%的权益。
郝芬 译自 OE
原文如下：
ExxonMobil Finds More Oil in Stabroek Block Offshore Guyana
U.S. oil major ExxonMobil said Wednesday it had made another oil discovery in the Stabroek block offshore Guyana, this time at Longtail-3 well.
"Drilling at Longtail-3 encountered 230 feet (70 meters) of net pay, including newly identified, high-quality hydrocarbon bearing reservoirs below the original Longtail-1 discovery intervals. The well is located approximately two miles (3.5 kilometers) south of the Longtail-1 well," ExxonMobil said.
" Longtail-3,combined with our recent discovery at Uaru-2, has the potential to increase our resource estimate within the Stabroek block, demonstrating further growth of this world-class resource and our high-potential development opportunities offshore Guyana,” said Mike Cousins, senior vice president of exploration and new ventures at ExxonMobil
The Longtail-1 discovery in the Stabroek Block was drilled in 2018, encountering approximately 256 feet (78 meters) of high-quality, oil-bearing sandstone reservoir.
ExxonMobil has deployed two additional drillships in the first quarter of 2021; the Stena DrillMAX and the Noble Sam Croft to enable further exploration and evaluation while continuing development drilling activities offshore Guyana. As the company advances its 15-well campaign in the Stabroek block, DrillMAX will move to Whiptail-1, while the Noble Sam Croft supports development drilling for Liza Phase 2.
In other drilling activity in the Stabroek Block, the Mako-2 evaluation well confirmed the quality, thickness and areal extent of the reservoir, ExxonMobil said.
"When integrated with the previously announced discovery at Uaru-2, the data support a potential fifth floating production storage and offloading vessel in the area east of the Liza complex. The Koebi-1 exploration well in the Stabroek block has shown evidence of non-commercial hydrocarbons," ExxonMobil added.
The Stabroek Block is 6.6 million acres (26,800 square kilometers).
ExxonMobil affiliate Esso Exploration and Production Guyana Limited is the operator and holds 45 percent interest in the Stabroek Block. Hess Guyana Exploration Ltd. holds 30 percent interest.
