Jackson-2 井已钻至最大深度并确认存在游离气

来源:www.gulfoilandgas.com 2025年5月6日,地点:北美

Helium One Global 是坦桑尼亚的主要氦气勘探公司,拥有美国科罗拉多州 Galactica-Pegasus 氦气开发项目(“Galactica 项目”) 50% 的工作权益,该公司在 Blue Star Helium (ASX: BNL)(“Blue Star”)今天发布的有关 Galactica 项目的公告之后提供了最新进展。

亮点

§ Jackson-2 井成功钻探至总深度 (TD) 1,232 英尺(375 米)测量深度 (MD),电缆测井证实存在游离气
§ 钻井过程中和总深度 (TD) 时井液自然流动,表明储层连通性良好
§ 该井在 Upper Lyons 砂岩层中遇到了 73 英尺(22 米)厚的优质储层(根据邻井 JXSN-1、-2、-3、-4 和 Sate-16 的岩石物理数据,孔隙度为 22-26%),含气砂岩
§ 样品送至实验室进行氦气和二氧化碳浓度分析
§ 在进行地面压力读数和流量测试之前安装井口

首席执行官 Lorna Blaisse 表示:

“迄今为止,这是一个非常成功的开发项目,Jackson-2 是已钻探的第五口井。鉴于这些井的产出符合预期,并且在整个 Galactica 项目中流量和氦气浓度始终保持良好,我们将继续开展该项目,并在State-9钻探第六口也是最后一口井,预计很快开始。Blue

Star正在评估整体方案,以确定下一阶段的时间表,该阶段将包括安装处理设施和井的接入。


Jackson-2 井钻探和初始流量测试结果

Jackson-2 L4 3154 开发井在 1,159 英尺(353 米)MD 深度处遇到了 Lyons 砂岩层,并在 1,232 英尺(375 米)的上 Lyons 砂岩层中完成了 73 英尺(23 米)的钻探。该井在钻探过程中和总深度时表现出强大的自然流量,与最近的 Jackson-27、Jackson-29、Jackson-31 和 Jackson-4 井一致。

值得注意的是,在钻探 Lyons 砂岩层时没有遇到水,电缆测井证实了这一点。根据邻井,整个上 Lyons 砂岩层和下 Lyons 砂岩层的很大一部分很可能都饱和气体。Jackson-2 的目标是上 Lyons 砂岩层顶部质量最高的砂岩,该砂岩与整个气柱相连。


在油井自然流动期间,已采集了早期气体样本(注意,这些样本会受到空气钻井的污染,需要进行空气校正),并送往实验室进行氦气和二氧化碳浓度分析。

井口安装即将完成

,之后将进行地面压力读数、流量测试和进一步的气体采样。预计在 Jackson-2 测试成功后,油井将完工,可以与生产设施连接。

钻机计划接下来调动到 State-9 SWSE 3054 井位,这是本次作业的第六口也是最后一口井,平台建设将很快在此开始。

Galactica/Pegasus 开发项目

Galactica 项目是 Galactica/Pegasus 开发项目的一部分,该项目由 Blue Star 于 2022 年发现。这个大型项目提供了多种潜在的产品流。Blue Star 正在与 Helium One Global Ltd. 合资推进 Galactica 项目。根据农场协议,Helium One 将为该井提供首笔 45 万美元的资金。

第三方拥有的Red Rocks氦气项目与Blue Star的Galactica项目相邻(见下图)。Red Rocks的开发将进一步支持Galactica项目的商业化。

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原文链接/GulfOilandGas

Jackson-2 Well Drilled to TD and Free Gas Confirmed

Source: www.gulfoilandgas.com 5/6/2025, Location: North America

Helium One Global, the primary helium explorer in Tanzania with a 50% working interest in the Galactica-Pegasus helium development project in Colorado, USA ("the Galactica Project"), provides an update following the Blue Star Helium (ASX: BNL) ("Blue Star") announcement issued today regarding the Galactica Project.

Highlights

§ Jackson-2 well successfully drilled to total depth ("TD") of 1,232ft (375m) measured depth ("MD") with free gas confirmed by wireline logs
§ Well flowed naturally during drilling and at TD, demonstrating good reservoir communication
§ The well encountered 73ft (22m) gross pay of high-quality (22-26% porosity based on petrophysics from offset wells JXSN-1,-2,-3,-4 and Sate-16), gas-saturated sands in the Upper Lyons Sandstone Formation
§ Samples sent to laboratory for analyses of helium and CO2 concentrations
§ Well head being installed ahead of surface pressure readings and flow testing

Lorna Blaisse, Chief Executive Officer, commented:

"This has been a very successful development campaign to date, and Jackson-2 is the fifth well to have been drilled. Based on these wells coming in as expected, with consistently good flow rates and helium concentrations across the Galactica project, we will continue with the campaign and drill the sixth and final well of this campaign at State-9, which is expected to commence shortly.

Blue Star are assessing the overall programme in order to determine the timing of the next phase, which will include installation of the processing facilities and the tie-in of the wells."


Jackson-2 Well Drilling and Initial Flow Test Results

The Jackson-2 L4 3154 development well encountered the Lyons Sandstone Formation at a depth of 1,159ft (353m) MD and was completed 73ft (23m) into the Upper Lyons Sandstone Formation at 1,232ft (375m). The well exhibited strong natural flow during drilling and at TD, in line with the recent Jackson-27, Jackson-29, Jackson-31 and Jackson-4 wells.

Significantly, no water was encountered during drilling of the Lyons Sandstone Formation and wireline logs confirmed this. Based on offset wells, it is likely that the entire Upper Lyons Sandstone Formation, and a significant portion of the Lower Lyons Sandstone Formation will be gas saturated. Jackson-2 targeted the highest quality sandstone at the top of the Upper Lyons Sandstone Formation, which is connected to the entire gas column.


During the natural flow of the well, early gas samples were taken (note, these will be contaminated from air-drilling and will require air-correcting) and are being delivered for laboratory analyses of helium and CO2 concentrations.

The well head installation is being completed ahead of surface pressure readings, flow testing and further gas sampling.

It is anticipated that, upon successful testing at Jackson-2, the well will be completed, ready to be tied-in to production facilities.

The rig is planned to be mobilised to the State-9 SWSE 3054 well location next, the sixth and final well in this current campaign, where pad construction will commence shortly.

Galactica/Pegasus Development

The Galactica project forms part of the broader Galactica/Pegasus development, discovered by Blue Star in 2022. This large-scale project offers multiple potential product streams. Blue Star is advancing the Galactica project in joint venture with Helium One Global Ltd. Under the farm-in agreement, Helium One will fund the first US $450,000 of this well.

The third-party owned Red Rocks helium project adjoins Blue Star's Galactica Project (see map below). Development of Red Rocks further supports the commercialisation of the Galactica Project.

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