本帖最後由 felicity2010 於 2010-7-23 01:11 AM 編輯
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新現漏油點來自另一口廢舊油井
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墨西哥灣漏油井邊新現的漏油點引來了各方關注。據美國媒體報導，為了緩解民眾對於新控油罩可能使漏油井在壓力下垮掉的擔心，美國政府漏油事務總長於當地時間 20日表示，海底發現的新的漏油點並非來自漏油裂井，而是2英里外的一口廢油井。公仔箱論壇. w/ ~1 d" W4 h/ j
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已退休的美國海岸巡邏隊總指揮薩得艾倫（Thad Allen）表示，漏油井裝置周圍至少發現了5個漏油點，他不認同這些漏油點是“非常小的幾滴”及“就像汽車漏油一樣”的說法。
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據稱，過去幾天來，英國石油公司及美國政府工程師一直在密切監視新安裝的75噸控油罩是否密封嚴實，是否出現壓力下崩裂的跡象。據悉，一旦油管發生崩裂，會造成更大，更難以控制的災難。" v. v, {" W/ K* m. p C! Y& O5 k
同時，英國石油公司的副總裁肯特威爾斯表示，“一切都進展順利”，減壓井的建設位置正像之前所期待的一樣，該井的建成有望徹底將漏油井堵上。
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& L+ _6 u$ j$ h+ [ v( X5.39.217.76威爾斯表示，工人希望從漏油井的側邊鑽孔，在7月底之前將其攔截。到那時，他們就將啟動最終程序：將泥漿同水泥吸入到裂井中，永遠將其封死。英石油公司表示，這一程序將持續 5天到一個星期。公仔箱論壇9 F* i) |2 S' U' f' B
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7 H0 a x+ H! H, i5 E% }BP will most likely move forward with the“static kill” that could permanently seal the gusher in a few days. The method is similar to the “top kill” that failed in early June and would use existing equipment and plumbing. Company officials said this effort was more likely to succeed because a new cap atop the well had stemmed the flow of oil.
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1.Heavy mud would be pumped from the Q4000 production vessel down a pipe connected to the original blowout preventer’s choke line. The pipe would first be pressurized to match pressure in the well. An alternative would be to run a drill pipe to the top of the cap assembly from another surface vessel.: r2 I1 ^+ ^* @6 \+ k
9 J0 T9 ?6 d3 x6 @( itvb now,tvbnow,bttvb2.The choke valve would be opened, and the mud, which would be pumped through at a much slower rate than used during the failed top kill in June, would eventually force the oil and gas back down into the reservoir.
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# b- Z9 [7 d& W7 {5.39.217.763.The relief well will still be completed. If the static kill succeeds, engineers would use the relief well to confirm that the well was sealed. If the static kill only partially seals the well, the relief well would be used to complete the job. |
發表於 2010-7-23 01:09 AM
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