Vital Energy 的叠层二叠纪 U 型转弯平台深度接近 12 万英尺

Vital Energy 总裁兼首席执行官 Jason Pigott 表示,E&P 在米德兰盆地的 12 口井、多区域掉头井场可能是“我们行业中任何一家公司第一次钻探像这样的堆叠马蹄形开发项目”。


Vital Energy计划在未来几天内,在米德兰盆地的 12 口井、多区域掉头井场达到总深度,在一平方英里的范围内产生 120,000 英尺的堆叠水平段。

Permian Basin 纯业务总裁兼首席执行官 Jason Pigott 在 8 月 7 日的投资者电话会议上表示,其中六口井是在 7 月 1 日之前钻探的。

此后,又有五口井达到了最大深度,最后一口井在呼叫期间也接近最大深度。

皮戈特表示,这可能是“我们行业中第一次有公司进行像这样的堆叠马蹄形开发”。

该 12 口井的 U 型转弯平台位于米德兰县中北部,其中一条两英里长的水平井位于中斯普拉贝里;三条位于乔米尔;两条位于下斯普拉贝里;三条位于沃尔夫坎普 A;还有三条位于沃尔夫坎普 B。

实际上,这 1 平方英里的区域产出了 12 口 2 英里长的油井,而不是 24 口 1 英里长的油井。

据 Vital 报道,直线一英里开发项目第一年的生产成本为 55 美元/桶油当量,而 U 型转弯平台的成本为 43 美元/桶油当量。

大部分节省是由于需要钻 12 个垂直井段而不是 24 个,也是因为需要完成 12 口井而不是 24 口。

J 型钩垫在线

与此同时,Vital 已在德克萨斯州里夫斯县(位于二叠纪盆地特拉华州一侧)建成了一个 J 型钩平台。

不规则截面允许侧向管道长度少于两英里。

J 型钩设计使钻井数量从三口减少到两口,从而省去了一段垂直井段的钻井成本和一段水平井段的完井成本。

皮戈特说,这些油井目前已投入使用。

该公司估计,未来有 130 个井位可以容纳两英里长的直管,但可以用 90 个三英里长的 J 型钩横向井来代替。

Pigott 表示:“这一优化将使 130 万可完成横向开采英尺的 WTI 盈亏平衡点降低约 5 美元/桶。”

至于具有掉头井潜力的库存,Vital 估计有 125 个。

根据 Udriller.com 的实时统计,今年美国本土 48 个州的运营商共计开挖了 67 个 U 型转弯井和其他非直线水平井。

今年迄今为止,采用水平延长法的勘探与生产公司总数已达 24 家。

负责 Udriller 钻井现场的 Turning Point E&P Consultants 首席工程师 John Huycke 表示,2024 年共有 23 家运营商对 68 口井感兴趣;2023 年共有 10 家运营商对 27 口井感兴趣;2019 年至 2022 年间共有 4 家或更少的运营商对 8 口或更少的井感兴趣。

生命能量 J 型挂钩井
J型钩设计使钻井数量从三口减少到两口,从而省去了一段垂直井段的钻井成本和一段水平井段的完井成本。(来源:Vital Energy)
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Vital Energy’s Stacked Permian U-Turn Pad Nears 120k Lateral Feet

Vital Energy’s President and CEO Jason Pigott said the E&P’s 12-well, multi-zone U-turn well pad in the Midland Basin may be “the first time any company in our industry has drilled a stacked horseshoe development like this one.”


Vital Energy is set to reach total depth at its full 12-well, multi-zone U-turn well pad in the Midland Basin in the coming days, giving 120,000 ft of stacked laterals out of a single square mile.

Six of the wells were drilled before July 1, Jason Pigott, the Permian Basin pure-play’s president and CEO, said in an investor call Aug. 7.

Five more reached total depth since then and the last well was nearing total depth during the call.

Pigott said it may be “the first time any company in our industry has drilled a stacked horseshoe development like this one.”

The 12-well, U-turn pad is in north-central Midland County with one two-mile lateral landed in the Middle Spraberry; three in Joe Mill; two, Lower Sprayberry; three, Wolfcamp A; and three, Wolfcamp B.

In effect, the 1 sq-mile section has produced 12 two-mile wells rather than 24 one-mile wells.

The straight, one-mile development would have cost $55/boe in its first year of production, while the U-turn pad’s cost is $43/boe, Vital reported.

Most of the savings are due to needing to drill 12 vertical portions of wells rather than 24, and also due to needing to complete 12 wells rather than 24.

J-hook pad online

Meanwhile, Vital has completed a J-hook pad in Reeves County, Texas, on the Delaware side of the Permian.

The irregular section allows laterals shorter than two miles.

The J-hook design resulted in two wells instead of three, thus eliminating drilling costs for one vertical portion and the completion costs for one lateral.

The wells are currently online, Pigott said.

It estimates it has 130 future well locations that can accommodate two-mile straight sticks but could be made with 90 three-mile, J-hook laterals instead.

“This optimization lowers WTI breakevens by about $5/bbl across the 1.3 million completable lateral feet,” Pigott said.

As for inventory with U-turn well potential, Vital estimates it has 125 of these.

U-turn and other non-straight laterals spud by Lower 48 operators this year total 67 to date, according to a live count by Udriller.com.

The number of E&Ps using the lateral-lengthening method so far this year total 24.

The interest is up from 68 wells total in all of 2024 among 23 operators; 27 wells in 2023 among 10 operators; and eight or fewer among four or fewer operators between 2019 and 2022, according to John Huycke, principal engineer at Turning Point E&P Consultants, which runs the Udriller site.

Vital Energy J-Hook Well
The J-hook design resulted in two wells instead of three, thus eliminating drilling costs for one vertical portion and the completion costs for one lateral. (Source: Vital Energy)
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