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EIA:得益于水平井的發(fā)展 美國(guó)原油產(chǎn)量自2010年以來(lái)翻了一番

   2022-04-24 互聯(lián)網(wǎng)綜合消息

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核心提示:?2021年,油氣行業(yè)81%的完井為水平或定向井。?在2010年至2021年間,已完井的油氣井?dāng)?shù)量減少了66%。?在美

?2021年,油氣行業(yè)81%的完井為水平或定向井。

?在2010年至2021年間,已完井的油氣井?dāng)?shù)量減少了66%。

?在美國(guó),水平井鉆井一直是開(kāi)發(fā)新石油和天然氣資源的關(guān)鍵。

據(jù)今日油價(jià)網(wǎng)4月21日?qǐng)?bào)道,美國(guó)能源信息管理署(EIA)周四表示,2021年,美國(guó)超過(guò)80%的油氣井是水平或定向完井,盡管自2010年以來(lái)已完井的總數(shù)有所下降,但由于水平鉆井,美國(guó)原油產(chǎn)量增加了一倍以上。

EIA在其近期新增的原油和天然氣完井?dāng)?shù)據(jù)系列中發(fā)現(xiàn),2010年以來(lái),油氣行業(yè)81%的完井為水平井或定向井,而直井的這一比例僅為19%。

在2010年至2021年間,已完井的油氣井?dāng)?shù)量減少了66%。鉆井總長(zhǎng)度也減少了30%。然而,EIA表示,美國(guó)原油產(chǎn)量增加了一倍多,美國(guó)天然氣總采收率增加了55%。

這是因?yàn)殂@井平均進(jìn)尺的技術(shù)進(jìn)步——在2010年至2021年間,平均進(jìn)尺從7300英尺/口增加到15200英尺/口,增加了一倍多。

EIA指出:“水平井和定向井比直井更長(zhǎng),使它們能夠進(jìn)入更多含原油和天然氣的地質(zhì)層,從而提高了這些井的產(chǎn)能?!?/p>

根據(jù)EIA基于貝克休斯數(shù)據(jù)的月度估計(jì),自2020年8月美國(guó)運(yùn)營(yíng)鉆機(jī)數(shù)量處于低位以來(lái),鉆機(jī)數(shù)量每月都在上升,到2022年2月達(dá)到636臺(tái)。

最近一周的數(shù)據(jù)顯示,截至4月15日的一周,總鉆機(jī)數(shù)增加到693臺(tái),比2021年同期增加了254臺(tái),是自2020年4月以來(lái)的最高數(shù)量。近期鉆探活動(dòng)大幅增加,在過(guò)去七周內(nèi)增加了43個(gè)鉆井平臺(tái)。而且,在地緣政治沖突前7周,也增加了62個(gè)鉆井平臺(tái)。

季廷偉 摘譯自 今日油價(jià)網(wǎng)

原文如下:

EIA: U.S. Crude Production Doubled Since 2010 Because Of Horizontal Wells

?81 percent of completed wells in the oil and gas industry were horizontal or directional in 2021.

?The number of completed oil and gas wells fell by 66 percent between 2010 and 2021.

?Horizontal well drilling has been crucial in the development of new oil and gas resources in the U.S.

More than 80 percent of oil and gas well completions in the United States were horizontal or directional in 2021, and although the total number of completed wells has fallen since 2010, U.S. crude oil production has more than doubled thanks to horizontal drilling, the Energy Information Administration (EIA) said on Thursday.

Last year, 81 percent of completed wells in the oil and gas industry were horizontal or directional, compared to just 19 percent of completed vertical wells, the EIA found in its recently added data series on crude oil and natural gas well completions and drilled footage for U.S. wells completed since 2010.

The number of completed oil and gas wells fell by 66 percent between 2010 and 2021. Total drilling length also dropped, by 30 percent. However, U.S. crude oil production has more than doubled, and U.S. gross withdrawals of natural gas have increased by 55 percent, the EIA said.

That’s because of technology improvements in the average footage of wells drilled—this footage more than doubled from 7,300 feet per well to 15,200 feet per well between 2010 and 2021.

“Horizontal and directional wells are longer than vertical wells, allowing them to access more geologic formations that contain crude oil and natural gas, which increases those wells’ productivity,” the EIA noted.

Since the August 2020 low in the number of operating rigs in the United States, the rig count has risen every month to reach 636 operating rotary rigs in February 2022, according to EIA’s monthly estimates based on Baker Hughes data.

In the most recent week with available data, the total rig count increased to 693 in the week to April 15—that’s 254 rigs higher than the rig count this time in 2021 and the highest count since April 2020. Drilling has picked up substantially since the war, adding 43 rigs in the last seven weeks. The seven weeks preceding the war, however, saw 62 rigs added.



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