In this paper, pressure profile adjustment technique for multi-layer and multiple pressure system reservoir in adjustment well drilling block during the process of drilling is studied.

本文针对调整井钻井区块多层系多压力系统储层在钻井施工过程中压力剖面调整技术展开研究。

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Meanwhile, well operators considered drilling a relief well: a diagonal well intersecting the original that could be filled with mud or concrete to block the flowing oil

同时，钻井操作员们考虑钻一条减压井：原来的井斜角交错，钻井里可能充满了泥浆或混凝土块，阻塞了石油的通畅。

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This reeling out and in of the drilling line causes the traveling block, and whatever may be hanging underneath it, to be lowered into or raised out of the wellbore.

这种钢丝绳沿滚筒松开和缠绕引起游动滑车从井眼内下降或上升，无论游动滑车下面悬挂的是什么东西。

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They also voted to block drilling for oil and gas in the Gulf of Mexico and the Great Lakes over the objection of the White House.

CNN: House votes in favor of lower drinking water arsenic levels

California (and the federal government) also pushed the use of natural gas, ignoring the fact that, because everyone had assumed natural gas would remain in a glut, the state and other political entities had been doing everything possible to block drilling, exploration and transportation for new supplies.

FORBES: Fact And Comment

In 2011, the AAR consortium attempted to block a drilling joint venture in the Arctic between BP and Rosneft through the courts.

BBC: BP sells TNK-BP stake to Russia's Rosneft