/23938-23938 Get the latest oil drilling news with Èý•NÌåÓý Fri, 20 Jan 2017 15:21:39 +0000 hourly 1 https://wordpress.org/?v=6.1.1 /23938-23938#comment-40052 Wed, 10 Jul 2013 14:04:24 +0000 https://live-drillingcontractor-org.pantheonsite.io/?p=23938#comment-40052 Let us also make sure that all diesel engines operating within 100 feet of the well bore are protected with an airintake “certified” shutoff valve and a :certified”spark arrester to prevent the diesel engine from runaway condition.

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