Recently, the important exploration well Mashen 1 is successfully drilled with the depth of 8418 meters, which creates the first ultra-deep drilling record in Asia.

近日，中国石化重点探井马深1井顺利完钻，完钻井深8418米，创亚洲第一超深钻井纪录。

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It will require renewed deep sea drilling and exploration though.

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However, they will no longer have the incentive to invest further in exploration and deep drilling, particularly in the technically more complex fields in the Amazon.

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