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Information Only - Waste Isolation Pilot Plant - U.S. Department of ...

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question. This should be carefully investigated for possible problems such as fluid loss,<br />

rerums, and borehole stability.<br />

The application <strong>of</strong> horizontal drilling to reach both the oil and gas zones would<br />

cost more, but it is expected that the horizontal wells will be better producers. The price<br />

<strong>of</strong> drilling a horizontal well depends on depth, length <strong>of</strong> the horizontal section, and the<br />

formation drillability. all <strong>of</strong> which are functions <strong>of</strong> the area that must be reached under<br />

the potash mines and the WIPP site.<br />

Currently, typical cost <strong>of</strong> a directional well in the Delaware Basin is about 1.6-2.0<br />

times that <strong>of</strong> a vertical well. The cost will be higher for this project due to the possibility<br />

<strong>of</strong> extra-long horizontal sections and be

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