这种异常可能由电缆、石油钻井平台、带铁制框架的海中围墙和海边的公寓大楼导致，罗曼说。

Such anomalies can be introduced by underwater electrical cables, oil rigs, sea walls with iron framing and coastal condominiums, Lohmann said.

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与沉没的钻井平台连接的防喷装置的控制舱现在和Q 4000平台对接，以便测试并同新的电缆连接。

The blowout preventer's control pod, which was also originally connected to the lost rig, has been taken up to the Q4000, where it has been tested and attached to new cables.

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水井钻井工可能会专注于一个特定的钻探方法，如电缆，旋转，钻，锤或反向循环钻探。

Water well drillers may specialize in a specific method of drilling, such as cable, rotary, auger, hammer or reverse circulation drilling.

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