海岸警卫队周五早上报告，通过一台遥控照相机发现石油并未从钻井所钻的深水井中泄出。
The Coast Guard reported Friday morning that a remote-controlled camera found that oil was not leaking from the deep-water well drilled by the rig.
希望之钻价值两亿五千万美元，是世界上最大也最完美的天然钻石。
Valued at 250 million dollars, the Hope diamond is the world's largest and most perfect natural diamond.
五口试验井实践表明，在一定条件下使用导向钻具，可取得明显的经济效益。
Five-well drilling practice has shown that steering drilling can create significant profits under certain conditions.
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