Is it more dangerous to drill a horizontal well or a vertical well?



  1. 0 Votes

    The most significant dangers in oil and gas drilling are with blowouts caused by high, uncontrolled subsurface pressures. That danger is related more to the nature of the subsurface rocks and materials than to the type of drilling. Horizontal drilling is much more exacting, because drillers have to navigate the drill string through a narrow zone at great depth; it is therefore much more expensive.

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