纳米比亚奥万博盆地 PEL 93 开始二维地震采集

来源:www.gulfoilandgas.com 7/8/2024,地点:非洲

亮点
• 纳米比亚奥万博盆地石油勘探许可证 93(PEL 93 或许可证)的二维地震采集计划开始实施。
• 88 Energy 通过资助地震计划获得了 PEL 93 的初始 20% 工作权益。
• 该计划旨在获取至少约 200 线公里的二维地震数据,预计将于 2024 年第三季度完成。
• 获取的地震数据将用作验证过程的一部分,用于从航空重力和磁力数据中识别出的最多 10 个独立结构闭合。
• 预期的计划成果包括估计首个预期资源量并确定未来的潜在钻井位置。
• 附近的一家运营商即将在奥万博盆地开始钻探多达四口井中的第一口井,这对于了解纳米比亚的陆上资源潜力具有重要意义。

88 Energy Limited(88 Energy 或公司)欣然宣布启动 PEL 93 的 2D 地震数据采集计划。该计划旨在采集约 200 线公里的 2D 地震数据。PEL 93 覆盖纳米比亚 Owambo 盆地内 18,500 平方公里的未勘探地下。88 Energy 通过其全资拥有的纳米比亚子公司持有 PEL 93 20% 的经营权益,并可选择通过额外的分阶段收购活动获得高达 45% 的非经营权益。


Polaris Natural Resources Development Ltd (Polaris) 赢得了 2D 地震采集项目的合同(请参阅 88 Energy 于 2024 年 5 月 10 日在 ASX 发布的公告),并于 2024 年 6 月底将振动震源装置和记录设备调动到位。Polaris 预计将于 2024 年第三季度完成该项目,数据处理预计将于 2024 年第四季度完成。新的 2D 地震采集结果将与现有的历史勘探数据相结合,以改进当前的勘探前景解释。该项目的结果将是通过经过认证的勘探资源估算量化勘探资源的规模,以及确定未来的潜在钻井位置。Monitor

Exploration (Namibia) Pty Ltd 从 2018 年至今对 PEL 93 进行的地下调查包括一系列地球物理和地球化学技术,以评估和验证该面积的巨大潜力。其中包括航空重力和磁力、对现有二维地震覆盖范围进行再处理,以及在解释的结构线索上测量土壤样本中的甲烷和乙烷浓度,从而成功验证了活跃石油系统的存在。这项工作中的被动地震异常与解释的结构线索和测量的土壤中烷烃分子 (c1-c5) 浓度密切相关。


奥万博盆地的初步勘探集中在浅层卡鲁油田,最近注意力转向了更深层且未经测试的达玛拉油田的巨大潜力。达玛拉油田是由大型褶皱和逆冲构造形成的,形成了大型背斜构造,为勘探提供了与纳米比亚近海发现的油田同等规模的重要独立目标。该地区的勘探复兴正在进行中,最近约 88% 的海上油井已成功发现石油。

达玛拉油田勘探钻井更新
勘察 Energy Africa Ltd 计划在两个不同区域油田(卡鲁和达玛拉)内明确的勘探区内立即开钻四口计划井中的第一口,作为在奥万博盆地侧翼的 PEL073 和 PEL001 进行初步勘探钻井活动的一部分。

达玛拉油田的特点是几个连贯、可测绘的大型褶皱和逆冲构造,产生了 19 个勘探区和 4 个由第三方资源审计师 NSAI 认证的线索。观测到的目标构造长达 25 公里,宽 3 至 5 公里。预计在 Mulden 地层的海洋/河流砂岩以及 Otavi 超群的裂缝碳酸盐岩中都会发现储层。Otavi 群在 6-2 井中被穿透,泥浆记录中有油迹,侧壁岩心也有油饱和度。Pre

-Rift Karoo 油气层段被解释为晚新元古代至早古生代沉积岩,类似于西部 Owambo 盆地的沉积物。考虑到它们的深度、模拟成熟度、地质年龄以及来自油井和渗漏的地球化学数据,预计碳氢化合物既是轻质油又是天然气。

本公告已获得董事会批准。

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原文链接/GulfOilandGas

Commencement of 2D Seismic Acquisition for PEL 93, Owambo Basin, Namibia

Source: www.gulfoilandgas.com 7/8/2024, Location: Africa

Highlights
• Commencement of 2D seismic acquisition program for Petroleum Exploration Licence 93 (PEL 93 or the Licence) over the Owambo Basin, Namibia.
• 88 Energy has earned an initial 20% working interest in PEL 93 by funding the seismic program.
• The program has been designed to acquire a minimum of ~200-line km of 2D seismic data, with completion expected in Q3 2024.
• Acquired seismic data is to be used as part of the validation process for up to 10 independent structural closures identified from airborne gravity and magnetic data.
• Expected program outcomes include estimation of a maiden Prospective Resource and identification of future potential drilling locations.
• Imminent commencement of drilling of the first of up to four wells by a nearby operator in the Owambo Basin represents a significant catalyst for understanding the onshore resource potential in Namibia.

88 Energy Limited (88 Energy or the Company) is pleased to announce the commencement of the 2D seismic data acquisition program for PEL 93. The program has been designed to acquire approximately 200-line km of 2D seismic data. PEL 93 covers 18,500km2 of underexplored sub-surface within the Owambo Basin in Namibia. 88 Energy, through its wholly-owned Namibian subsidiary, holds a 20% working interest in PEL 93, with an option to earn up to a 45% non-operated interest via additional staged farm-in activities.


Polaris Natural Resources Development Ltd (Polaris) was awarded the contract for the 2D seismic acquisition program (refer to 88 Energy’s ASX announcement, 10 May 2024) and mobilised vibroseis units and recording equipment to location late June 2024. Polaris expects to complete the program in Q3 2024, with data processing anticipated to be finalised Q4 2024. Results from the new 2D seismic acquisition will be integrated with existing historical exploration data to refine current prospect interpretation. The outcome of this program will be the quantification of the size of the prospective resource through a certified Prospective Resource estimate, as well as the identification of future potential drilling locations.

Subsurface investigations completed from 2018 to date on PEL 93 by Monitor Exploration (Namibia) Pty Ltd included a range of geophysical and geochemical techniques to assess and validate the significant potential of the acreage. This included airborne gravity and magnetics, reprocessing of existing 2D seismic coverage, as well as measuring methane and ethane concentrations in soil samples over interpreted structural leads to successfully validate the existence of an active petroleum system. Passive seismic anomalies from this work aligned closely to both interpreted structural leads and measured alkane molecules (c1-c5) concentrations in soil.


Initial exploration in the Owambo Basin has focused on the shallow Karoo Play, with recent attention turning to the substantial potential of the deeper and largely untested Damara Play. The Damara Play resulted from a large fold and thrust episode, leading to large, anticlinal structures providing significant independent targets for exploration of an equivalent size to those discovered offshore Namibia. An exploration renaissance is underway in the region, with approximately 88% of recent offshore wells have successfully discovered oil.

Damara Play Exploration Drilling Update
Reconnaissance Energy Africa Ltd plan to spud imminently, the first of four planned wells, in welldefined prospects within two distinct regional plays (Karoo and Damara), as part of an initial exploration drilling campaign in PEL073 and PEL001, on the flanks of the Owambo basin.

The Damara Play is characterised by several coherent, mappable, large fold and thrust structures which generated 19 prospects and 4 leads certified by third party resource auditor, NSAI. The target structures observed are up to 25km in length and between 3 and 5km wide. Reservoirs are expected to be encountered in both the marine/fluvial sandstones of the Mulden formation as well as the fractured carbonates of the Otavi Supergroup. The Otavi group was penetrated in well 6-2 and contained oil shows on mud logs as well as oil saturations in side-wall cores.

The Pre-Rift Karoo play interval is interpreted to be late Neo-Proterozoic to Early Palaeozoic sedimentary rocks which are analogous to the sediments of the Owambo Basin to the west. Given their depth, modelled maturation, geological age and geochemical data from wells and seeps, the hydrocarbons are expected to be both light oil and gas.

This announcement has been authorised by the Board.

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