... related to differences in depositional environment and gross (subclass-level) constructional morphology. The crinoid fauna under study was recovered from the middle portion of the Upper Pennsylvanian (Missourian) Barnsdall Formation exposed near Copan, Washington County, northeastern Oklahoma (36...

...Figure 1. Map of the location of the Barnsdall Formation (black square), a crinoid-bearing Lagerstätte near Copan, Oklahoma, USA (modified from Thomka et al., 2011 ). ...

...JAMES R. THOMKA; RONALD D. LEWIS Abstract A thin interval of bioturbated, fossiliferous mudstone within the middle portion of the Upper Pennsylvanian Barnsdall Formation crops out near Copan, northeastern Oklahoma. Representing slow background sedimentation in an oxygenated distal shelf setting...

... on dissociated crinoid elements in taphonomic and/or paleoenvironmental analysis. A diverse, abundant, and taphonomically variable crinoid fauna recovered from a thin mudstone interval within the Upper Pennsylvanian Barnsdall Formation in northeastern Oklahoma presents a unique opportunity to test the value...

... defined, the Hilltop contains equivalents of the Barnsdall formation, probably the Dewey formation, and possibly the Chanute and uppermost Nellie Bly formations. These four formations are exposed in Okfuskee County, directly north of Seminole County. Morgan (1924, p. 126) included what is here named...

...J. Q. Anderson Abstract Commercial production was obtained by the Barnsdall Oil Company from Guijarral Hills on September 19, 1948. The producing sand is apparently a large lentil in the so-called “ Leda zone ” in the upper part of the Kreyenhagen shale formation. Productive limits of the “ Leda...

...E. A. MARKLEY; CLAUDE N. VALERIUS 1 Manuscript received, May 21, 1942. 2 Geologist, Barnsdall Oil Company. © 1942 American Association of Petroleum Geologists. All rights reserved 1942 American Association of Petroleum Geologists The Midway oil field was discovered...

... of the wells drilled, and core and sample information was available on numerous wells drilled in and adjacent to the field. During December, 1942, a new producing formation was developed in the Stephens field with the completion of T. W. Lee’s G. C. Hall No. 1, at the center of the SW. 1 4 , SW...

... , J.R. , Lewis , R.D. , Mosher , D. , Pabian , R.K. and Holterhoff , P.F. 2011 . Genus-level taphonomic variation within cladid crinoids from the upper Pennsylvanian Barnsdall Formation, north-eastern Oklahoma . Palaios , 26 , 377 – 389 , doi: 10.2110/palo.2011.p11-001r 10.2110...

...Fred W. Bates; Jay B. Wharton ABSTRACT The West Tepetate oil field, located in the Louisiana Gulf Coast area, was discovered by the Barnsdall Oil Company and Vincent and Welch in 1944. The presence of the structure was first suggested in 1930 by torsion-balance exploration conducted by Vincent...

... discoveries are discussed. TABLE II DISCOVERIES AND EXTENSIONS IN 1944 County Field Operator Farm and Weil No . Location Class Date Producing Formation Pay Interval ( Feel ) Initial Production Discovery Method Bowie Eylau Barnsdall Heilbron 2 6 mi. SW...

.... Pabian R. K. Holterhoff P. F. 2011 . Genus-level taphonomic variation within cladid crinoids from the Upper Pennsylvanian Barnsdall Formation, northeastern Oklahoma . PALAIOS , 26 : 377 – 389...

... drilled as wildcats, 17 discoveries were made classified as follows: 10 new fields, 2 extensions to old fields, and 5 new producing formations in old fields. During 1943 a total of 141 wells were drilled as wildcats, resulting in 12 discoveries. Just what effect these new discoveries will have...

... The Smackover limestone continued to be the main object of prospecting in southern Arkansas while the lower Glen Rose and Cotton Valley formations were the chief objects of prospecting in northern Louisiana. Table II is an analysis of wildcat wells indicating the deepest formations tested. TABLE II...

...Fig. 2 —Diagrammatic section across Bartlesville area; based on wells listed Table 2 and shown on Figure 1 , and on expression of structural elements at surface. Ptl , Tallant Formation; Pb , Barnsdall Formation; Pt , Torpedo sandstone and overlying shale; Pd , Dewey Limestone; Ph...

... of continental Eocene beds in which there is nothing to indicate that oil may be present in either area. 1 Committee consists of E.W. Galliher, chairman, Barnsdall oil Company; H.K. Armstrong consulting geologist; Albert Gregersen, The Texas Company; Max L. Kreuger, Union Oil Company; Graham B...

..., and Ingomar, Montana; and oil at Brady, East Utopia and Gage, Montana, and Gebo and Steamboat Butte, Wyoming. The most active new development was in the Tensleep sandstone pool at Elk Basin, discovered in 1942. Deeper formations developed new reserves in several other fields, such as the Madison limestone...