An Engineering Study of the Magnolia Field in Arkansas
- H.F. Winham (Shell Oil Co.)
- Document ID
- Society of Petroleum Engineers
- Transactions of the AIME
- Publication Date
- December 1943
- Document Type
- Journal Paper
- 15 - 34
- 1943. Original copyright American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. Copyright has expired.
- 5.5.2 Core Analysis, 1.6.9 Coring, Fishing, 1.14 Casing and Cementing, 1.6.10 Running and Setting Casing, 2.2.2 Perforating, 4.1.2 Separation and Treating, 4.1.5 Processing Equipment, 1.1 Well Planning, 1.10 Drilling Equipment, 5.2.1 Phase Behavior and PVT Measurements, 2.4.3 Sand/Solids Control, 1.6 Drilling Operations
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The history, development, subsurface geology, production, economics andestimated reserves are discussed in this paper. The Magnolia structure is ananticline with a known maximum structural relief at 372 ft., and the arealextent of the producing acreage is 4494 acres. Production is obtained from theSmackover oolitic lime and 116 successful wells have been drilled. The field,which was developed on 40-acre spacing, has been under strict control. It isbelieved to be producing with a strong water drive. To date it has producedmore than eighteen million barrels and the estimate of ultimate recovery is 220million barrels.
The Magnolia field is in Columbia County, Arkansas, T. 17 S., R. 19 and 20W. Various geologists had long been interested in this general area, and asearly as 1921, John F. Magale was able to define a surface structure.
The first wildcat, one of the first in Columbia County, was drilled in 1923by Mid-States Oil Co., in sec. 10, T. 17 S., R. 20 W. This well was about 11/2miles northwest of the Kerlyn Oil Company's discovery well and was based onsurface geological work done by Jewel and Dobie. Subsequently, several shallowwells that were not carried below the Upper Cretaceous beds were drilled in theimmediate area of the discovery well, but none of them contained any commercialshowings of oil or gas. In the latter part of 1935, Elam and Magale (orSouthwood) Garrett No. I was located in sec. 13, T. 17 S., R. 20 W., 3/4 mileeast of the discovery well. It was drilled to a total depth of 4018 ft. in thelowermost Glen Rose beds but failed to obtain any showings of oil or gas.
Interest had been stimulated in this general area, however, by the discoveryof several oil fields, mainly Glen Rose oil production in the Rodessa field inLouisiana in 1935, Smackover lime production in Snow Hill in May 1936,production from the Cotton Valley formation in Schuler in 1937, and Smackoverlime production from the Buckner field in November 1937. With this backgroundand subsequent seismic work, which was carried on partly because the oldshallow wells drilled in the township had shown evidence of closure in theUpper Cretaceous beds, the discovery well, Kerlyn Oil Company's Barnett No. I,sec. 14, T. 17 S., R. 20 W., was originally projected to a total depth of 6300ft., to test the equivalents of the Morgan sands of the Cotton Valley series,then producing at Schuler. The well was carried to a depth of 6325 ft. andtested the objective beds without finding commercial production.
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