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Oklahoma: Ground Water Protected With 3M Lbs of Steel and Cement Airtight Layers

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Oklahoma: Ground Water Protected With 3M Lbs of Steel and Cement Airtight Layers

Posted December 5 2015

It’s all about the Casing. Oklahoma oil and natural gas producers protect ground water:

One of the most important ways the oil and natural gas industry protects groundwater is the setting of casing.  High-strength protective steel casings and cement are used to isolate wellbores from their surroundings, protecting freshwater zones throughout the drilling, completion and production phases of the well. These casings are set in the well and cemented in place under specific state regulations. Video below explaining “casing.”

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All wells require at least two layers of protection; surface casing and production casing. Depending upon the subsurface geology, additional layers of casing and cement may be required. Casing is run from the surface to a pre-determined depth. Cement is then pumped into the space between the outside of the casing and the wellbore. This step is repeated until all of the required layers of casing are set. . . .

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Operators monitor the pressure throughout the life of the well to ensure that the integrity of the casing is not compromised.

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For decades these efforts have worked and are helping to produce domestic energy in a clean and responsible manner.

Read the whole post here : http://www.maggiesnotebook.com/2015/12/oklahoma-ground-water-protected-with-3m-lbs-of-steel-and-cement-airtight-layers/?utm_source=twitterfeed&utm_medium=twitter

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