Petroleum and Natural Gas Fields in Wyoming Page: 42
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PETROLEUM AND NATURAL GAS FIELDS IN WYOMING
DRY HOLE, SHOW OF GAS
CONTOURS DRAWN ON TOP OF FRONTIER SANDSTONE
DATUM IS MEAN SEA LEVEL
GEOLOGY BY E.W. KRAMPERT AND A.G. MELVILLE
FIGURE 24.-Structure-Contour Map of Bison Basin Field, Fremont County, Wyo.
(Adapted from Bureau of Mines Bulletin 418.)
gravity of the oil from the Embar was about
260 API, from the Tensleep about 190 to
24 API, and from the Madison about 20
API. The electric log of a well in the SE1/4
SW1/4 sec. 31, T. 43 N., R. 90 W., showed the
following depth, in feet, to the top of for-
mations: Muddy sand, 690; Dakota sandstone,
1,012; Lakota sandstone, 1,145; Morrison,
1,210; Sundance, 1,310; Gypsum Spring, 1,603;
Chugwater, 1,844; Dinwoody, 3,010; Embar
limestone, 3,060; Tensleep sandstone, 3,321;
Amsden, 3,770; and Madison limestone, 4,010.
On November 10, 1956, there were 15 wells
in the field, producing daily about 800 barrels
of oil and 2,500 barrels of water. Fourteen
were producing 760 barrels of oil and 2,000
barrels of water daily from the Embar-Ten-
sleep, and one was producing 40 barrels of oil
and 500 barrels of water daily from the Madi-
son. Analyses of oils from the Embar, Ten-
sleep, and Madison are given on pages 340
and 341. Analyses of gas from the Embar and
waters from the Embar, Tensleep, and Madison
are given in tables 8 and 9 (pp. 287 and 293,
During 1956, 285,916 barrels of oil was pro-
duced at the field. The Black Mountain field
produced 2,040,329 barrels of oil to the end of
1956. In December 1956 oil from the field was
piped to Kirby Junction on the pipeline from
Worland, Wyo., to Wood River, Ill.
EAST BLUE SPRINGS
East Blue Springs is a noncommercial oil-
field in sec. 3, T. 42 N., R. 92 W., IHot Springs
County. The structure is an anticlinal nose
plunging to the northwest. The Cody shale
is exposed on the surface at an elevation of
The discovery well, the No. 1 Govt.-Wil-
liams, in the SW1/4SE1/4NE1/4 sec. 3, was com-
WELL STATUS, 2/1/57
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Biggs, Paul & Espach, Ralph H. Petroleum and Natural Gas Fields in Wyoming, report, 1960; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc38797/m1/56/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.