E&P 在米德兰的马丁-霍华德边境部署大迪恩·威尔斯

根据德克萨斯州铁路委员会的数据，Diamondback Energy、SM Energy 和 Occidental Petroleum 正在将 Dean 水平井添加到位于道森县南部 Dean 油气储量热点南部的多井开发项目中。

妮莎
达尔博讷
石油和天然气投资者

根据德克萨斯州铁路委员会的数据，在德克萨斯州马丁县致密砂质迪安组地层进行的两次测试在投产后的前 10 个月内已为Diamondback Energy生产了超过 50 万桶原油。

哈特能源公司对 RRC 数据的分析显示，在邻近的霍华德县，西方石油公司和SM 能源公司也报告了迪恩井的高产。

这三口 E&P 油井的目标是马丁和霍华德边界的迪恩页岩区，该油田位于道森县迪恩热点地区以南，截至今年 1 月，该油田在新油田开发的前五年内已生产了超过 1500 万桶石油。

Dawson-Dean油田的产量来自43口油井，这些油井的开发时间从59个月到4个月不等。水平段平均长度为2英里，产量中石油含量超过90%。

雷蒙德詹姆斯 (Raymond James) 证券分析师约翰弗里曼 (John Freeman) 发现，Diamondback 公司 2024 年的米德兰盆地整体生产力与 2023 年相比增长了 9%。

他补充道：“海洋的形成是生产力提高的主要驱动力。”

他写道，这块岩石位于斯普拉贝里和沃尔夫坎普之间，促使 Diamondback 公司与康菲石油公司一起在去年打造了米德兰盆地回报率最高的油井。

他还发现，2024 年，Oxy 更频繁地在 Dean 而不是 Jo Mill 着陆，这使得油井质量比 2023 年提高了 22%。

他报告说：“产量最高的区域是 Dean，产量最低的区域是 Jo Mill，这是提高 [Oxy] 井整体性能的好方法。”

马丁县的迪恩

Diamondback 的 Dean 油井主要集中在马丁县东部，与 SM Energy 和 Oxy 油井隔霍华德边界相望。

Diamondback 的 Grantham West 50-48 单元有 12 口井，其中 3 口井位于 Dean，距离 Dawson 热点以南约 25 英里，其 RRC 文件中未包含每口井的产量数据。

但截至今年 1 月（RRC 公布产量数据的最近一个月），该装置投产后的前 10 个月内，产量为 160 万桶和 34 亿立方英尺。

三个 Dean 水平井深度各在 10,000 英尺至 10,100 英尺之间。

其余 9 口井包括中斯普拉贝里 (Middle Spraberry)、下斯普拉贝里 (Lower Spraberry)、沃尔夫坎普 A (Wolfcamp A) 和沃尔夫坎普 B (Wolfcamp B) 各 2 口，以及乔米尔 (Jo Mill) 的一口井。

Jo Mill 位于中斯普拉贝里和下斯普拉贝里之间，而 Dean 位于下斯普拉贝里和 Wolfcamp A 之间。

另外，Diamondback 公司在位于 Martin 的七口井 Tomcat 23-24 开发区内开发了两口 Dean 井，位于 Grantham West 北部，靠近 Dawson 热点地区。

根据 RRC 的数据，自 2024 年 4 月开始，两口 Dean 井共产出 502,720 桶石油，其中 Tomcat C 在截至 1 月的前 10 个月内从 10,167 英尺水平井产出 276,310 桶石油和 331 百万立方英尺套管头气。

Tomcat D 从 10,134 英尺水平井产出 226,410 桶石油和 271 百万立方英尺天然气。

霍华德县的迪恩

SM 本月早些时候报告了位于霍华德县西部的两口新 Dean 井的 IP，这两口井位于其六口井 Guitar North 多地层开发项目中的 Dawson Dean 井以南约 35 英里处。

其他几口井分别位于 Jo Mill、Middle Spraberry、Lower Spraberry 和 Wolfcamp A。

根据 RRC 文件，在 Dean，Guitar North #2883DN IP 从 10,156 英尺的水平井中开采出 1,805 桶油。

第二口 Dean 井，Guitar North #2885DN IP，从 10,352 英尺的水平井产出 1,451 桶油。

附近，同样位于霍华德县的桑塔纳开发区位于大泉 (Big Springs) 附近（距离道森的迪安热点以南约 40 英里），拥有 18 口油井，其中包括迪安的四口油井，每口油井的 IPd 在 1,162 桶/天至 1,775 桶/天之间。

Oxy 的其他油井包括 Sprayberry 的六口油井和 Wolfcamp A 和 B 的八口油井。

从 2000 年开始，Dean 的业绩在头五年里一直保持良好。

根据 RRC 的数据，Santana #2430D 在从 10,876 英尺水平井中产出 1,162 桶石油，在投产后的前 57 个月中，截至 1 月份已产出 325,000 桶石油。

Santana #2436D 从 12,011 英尺水平井中开采出 1,775 桶石油，之后开采出 320,000 桶石油。

第三口井是桑塔纳 2432D 井，在 11,137 英尺水平井中深度 1,727 英尺后，产量为 340,000 桶。

产量更高的是，Santana#2938D 从 12,500 英尺水平井中开采出 1,343 桶石油，之后又开采出 760,000 桶石油。

RRC 的数据显示，截至 1 月份，这 18 口井的产量为 460 万桶石油和 151 亿立方英尺。

有关的

伯恩斯坦：IP 为 1,000 桶/天的油井是“新常态”

新核心库存

雷蒙德·詹姆斯的弗里曼发现，在石油价格为每桶 50 美元、天然气价格为每千立方英尺 2.50 美元时，位于米德兰北部的迪恩油田有 32% 的土地具有经济效益，他认为这个价格点“更高”，而在石油价格为每桶 70 美元、天然气价格为每千立方英尺 3.50 美元时，有 49% 的土地具有盈利能力。

据 Freeman 报道，新 Dean 油井的产量正在回升，而大量钻探的 Wolfcamp A 和 B 油井的库存正在下降，2019 年米德兰盆地油井的产量为 67%，但到 2024 年将下降到 47%。

“由于 Wolfcamp A 和 B 的核心库存日益枯竭，我们预计运营商将在 Wolfcamp C/D、Dean 和 Jo Mill 寻找新的核心位置，这些位置的土地质量更加分散，回报率也不太稳定。”

虽然 Jo Mill 属于 Sprayberry 系列，但 Wolfcamp C 和 D 更深层次，位于 Spraberry、Dean 和 Wolfcamp A 和 B 之下。

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E&Ps Posting Big Dean Wells at Midland’s Martin-Howard Border

Diamondback Energy, SM Energy and Occidental Petroleum are adding Dean laterals to multi-well developments south of the Dean play’s hotspot in southern Dawson County, according to Texas Railroad Commission data.

Nissa
Darbonne
Oil and Gas Investor

Two tests in the tight-sand Dean Formation in Martin County, Texas, have produced more than 500,000 bbl for Diamondback Energy in their first 10 months online, according to Texas Railroad Commission data.

In adjacent Howard County, Occidental Petroleum and SM Energy are also reporting prolific Dean wells, Hart Energy analysis of RRC data shows.

The three E&Ps’ wells are targeting the Dean along the Martin-Howard border, south of the Dean hotspot in Dawson County that has produced more than 15 MMbbl through January in that new play’s first five years.

The Dawson-Dean volume, from 43 wells, ranges from 59 months old to four. The laterals average 2 miles, with output of more than 90% oil.

John Freeman, securities analyst for Raymond James, found that Diamondback’s overall Midland Basin productivity in 2024 had increased by 9% compared to 2023.

And the “Dean formation was a primary driver of the productivity increase,” he added.

The rock, which sits between Spraberry and Wolfcamp, contributed to Diamondback making the highest-return Midland Basin wells last year, along with ConocoPhillips, he wrote.

He also found that Oxy switched to landing more often in Dean rather than Jo Mill in 2024, contributing to 22% better wells than in 2023.

“More Dean—the most productive zone—and less Jo Mill, the least productive zone, was a nice recipe for better overall [Oxy] well performance,” he reported.

Dean in Martin County

Diamondback’s Dean wells have focused on eastern Martin County just across the Howard border from the SM Energy and Oxy wells.

Diamondback’s 12-well Grantham West 50-48 unit, with three wells in Dean, about 25 miles south of the Dawson hotspot, doesn’t include per-well production data in the RRC files.

But the unit made 1.6 MMbbl and 3.4 Bcf in its first 10 months online through January, the most recent month for which the RRC has published production data.

Each of the three Dean lateral wells is between 10,000 ft and 10,100 ft.

The other nine wells include two each in the Middle Spraberry, Lower Spraberry, Wolfcamp A and Wolfcamp B, along with one in Jo Mill.

Jo Mill sits between the Middle Spraberry and Lower Spraberry, while Dean sits between Lower Spraberry and Wolfcamp A.

Separately, Diamondback put two Dean wells in the seven-well Tomcat 23-24 development in Martin, north of Grantham West and nearer to the Dawson hotspot.

Of the total of 502,720 bbl from the two Dean wells beginning in April 2024, Tomcat C made 276,310 bbl and 331 MMcf of casinghead gas in its first 10 months through January from a 10,167-ft lateral, according to the RRC data.

Tomcat D made 226,410 bbl and 271 MMcf from a 10,134-ft lateral.

Dean in Howard County

SM reported IP’s earlier this month from two new Dean wells in western Howard County about 35 miles south of the Dawson Dean wells in its six-well Guitar North multi-formation development.

The other wells are one each in Jo Mill, Middle Spraberry, Lower Spraberry and Wolfcamp A.

In the Dean, Guitar North #2883DN IP’ed 1,805 bbl from a 10,156-ft lateral, according to the RRC file.

A second Dean well, Guitar North #2885DN IP’ed 1,451 bbl from a 10,352-ft lateral.

Nearby—and also in Howard County—Oxy’s 18-well Santana development near Big Springs (about 40 miles south of the Dean hotspot in Dawson) included four wells in the Dean that IP’ed between 1,162 bbl/d and 1,775 bbl/d each.

Oxy’s other wells included six in the Sprayberry and eight in the Wolfcamp A and B.

The Dean performance has held up in their first five years, beginning in 2000.

Santana #2430D made 325,000 bbl through January in its first 57 months online after IP’ing 1,162 bbl from a 10,876-ft lateral, according to RRC data.

Santana #2436D made 320,000 bbl after IP’ing 1,775 bbl from a 12,011-ft lateral.

The third well, Santana #2432D, made 340,000 bbl after IP’ing 1,727 from a 11,137-ft lateral.

More prolific, Santana #2938D made 760,000 bbl after IP’ing 1,343 bbl from a 12,500-ft lateral.

Through January, the 18-well package made 4.6 MMbbl and 15.1 Bcf, according to RRC data.

RELATED

Bernstein: Wells with IPs of 1,000 boe/d the ‘New Norm’

New core inventory

Raymond James’ Freeman found 32% of Dean acreage in the northern Midland is economic at $50/bbl oil and $2.50/Mcf gas, which is a price point he deems “core,” while 49% is profitable at $70/bbl and $3.50/Mcf.

The new Dean wells’ results are picking up where the heavily drilled Wolfcamp A and B inventory is losing after posting 67% of Midland Basin wells in 2019 but 47% in 2024, Freeman reported.

“As core inventory in the Wolfcamp A and B are increasingly played out, we expect operators to seek new core locations in the Wolfcamp C/D, Dean and Jo Mill, which have more fragmented acreage quality and offer less consistent returns.”

While Jo Mill is within the Sprayberry series, Wolfcamp C and D are deeper, underlying Spraberry, Dean and Wolfcamp A and B.

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