據油價網4月18日報道，根據能源信息周一發布的最新鉆井生產力報告，已鉆井但未完成的油井數量降至有記錄以來的最低水平。

根據最新數據，2022年3月，已鉆探但未完成的井（也稱為DUC）的數量下降至4273口。這比2021年初以來的42%有所下降。

DUC計數下降的原因是水力壓裂比鉆井更多——通常情況下，減少DUC庫存比鉆新井更具有成本效益。即便在當前油價走高的環境下，股東仍繼續要求實行嚴格的財政限制，因此，DUC自然會受到青睞。

由于仍有4000多個DUC處于活動狀態，即使自去年年初以來損失了近50%的DUC庫存，似乎也無需擔心。但這個DUC計數長期以來一直存在爭議。不是因為數字本身的準確性，而是因為在未完成階段停留超過兩年的井被認為是死井。

大多數分析人士認為，95%的鉆井都是在頭兩年完成的。這意味著，在此之后，任何未完井的井都不太可能再完井。

早在去年6月，Rystad能源公司就估計，活井數量只有2380個，而當時EIA估計總DUC數量超過6100個。根據EIA的數據，自那以后，DUC的總數下降了1827個，降幅達30%。假設大部分已經完工都是活井，那么美國頁巖可供水力壓裂的資源就很少了。

EIA計算DUC井的方法早在水力壓裂測井減少之前就受到質疑。

黎泱 編譯自 油價網

原文如下：

EIA: Number Of DUCs Falls To Lowest On Record

The number of Drilled but Uncompleted Wells sank to its lowest level ever recorded, according to the Energy Information’s latest Drilling Productivity Report published on Monday.

The number of Drilled but Uncompleted Wells—also known as DUCs—fell to 4,273 in March 2022, according to the latest figures. This is down from 42% since the beginning of 2021.

The falling DUC count is due to more fracking than drilling—depleting their DUC inventories rather than drilling new wells is typically more cost effective. As shareholders continue to demand great fiscal restraint even in today’s higher oil-price environment, DUCs would naturally be favored.

With more than 4,000 DUCs still active, it may seem like there is little cause for concern, even with losing nearly 50% of the DUC inventory since the beginning of last year. But that DUC count has long been debated. Not due to the accuracy of the figure itself, but because wells that remain in the uncompleted phase for more than two years are considered dead DUCs.

Most analysts agree that 95% of all wells drilled are completed during the first two years. That means any wells still left uncompleted after that time are extremely unlikely to be completed—ever.

Back in June of last year, Rystad Energy estimated that the total number of live DUCs was just 2,380—that was when the EIA had estimated the overall DUC count was more than 6,100. Since then, the total DUC count, per the EIA, has dropped by 1,827, or 30%. Assuming that the majority of those that were completed were live, that leaves U.S. shale with precious little to frack.

The method with which the EIA calculates DUC wells has been called into question well before the dwindling fracklog.