Horizontal-well pilot waterflood tests shallow, abandoned field

The suitability of using horizontal wells in a waterflood of shallow, partially depleted sands will be tested in the Jennings field in Oklahoma. The vertical wells drilled in the Jennings field intersect several well-known formations such as Red Fork, Misner, and Bartlesville sand. Most of these formations have been produced over a number of years, and presently no wells are producing in the field. The field was produced only on primary production and produced approximately 1 million bbl of oil. Because the field was not waterflooded, a large potential exists to produce from the field, using secondary methods. To improve the economics for the secondary process, a combination of horizontal and vertical wells was considered.