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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
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The Delhi, West Delhi, and Big Creek fields are in northeastern Louisiana in parts of Richland, Madison, and Franklin parishes.
Production is from Tuscaloosa in Upper Cretaceous and Paluxy in Lower Cretaceous. Sands within a common reservoir constitute the most prolific producing zone. These sands consist of a basal Tuscaloosa sand and various underlying Lower Cretaceous sands in contact at the unconformity. Other producing sands in the Tuscaloosa are lenses in the marine Tuscaloosa above the basal sand. The Big Creek field produces from several lenticular sand members in the marine Tuscaloosa with the basal sand having been overlapped and not being present.
As of July 1, 1946, 236 wells had been drilled in the Delhi, West Delhi, and Big Creek fields, of which 197 were oil-producing, four gas, and 35 were dry and abandoned. The present productive area approximates 7,000 acres. The fields are in stages of development and the ultimate productive area is as yet unknown. The estimate of total recovery is in excess of 200,000,000 barrels of oil at the present stages of development.
The Delhi field was drilled on a seismic structure but subsequently it was found that the accumulation of the oil was due to a stratigraphic trap with structure playing but a small part. The discovery well primarily was located on the theory of a Tuscaloosa pinch-out; the small seismic structure was of secondary importance only.
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