The first offshore mobile drilling platform was the Breton Rig 20, first operated in 1949. This rig had evolved from the inland drilling barges which were used to drill in marshes and protected waters in up to 10 feet of water. The Breton Rig 20 was 160 feet by 85 feet, and could work in 20 feet water depth.
[pdf] At PrintBusinessCards.com you can find well drilling business cards that will suit your needs from one of the hundreds of templates available. If you want to design your own, you can use graphics to demonstrate well drilling with a photo or design.
[pdf] This article provides a step-by-step guide on building a homemade water well drilling rig, which can be referred to as well drilling or “washing” or “jetting” a well. It focuses on the basics of water wells, including groundwater sources, aquifer identification, well components, and the water table.
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