UNITED STATES DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY

; BULLETIN 1046 PLATE 53

Shell Oil Co. EXPLANATION
Pine Unit 41-58
sec. 5, T. 1IN., R. 57 E. Deflection
Feet Wibaux County, Mont. oon ° ' 2 15 inches | \
= =e
1200 iy ; 4 NORTH DAKOTA {
feet | {
! B
21004 t i \
KXXXSSSSSSSS==— 003 percent oH] FO eh ff ' \ \
13004, ~~] 1 1 \
= 2200} F < | ° \
J I z } \
\
Ss
4 ——
\ 2
1400 0007 0014 0021. 00% 0035 ! ! “Se We ae a g ‘
ooze ae oes i008 0070077 0084 90510088108 percent \
vuronium
A 4 Expanded gamma-ray log showing estimated percent equivalent uranium (eU). ’
2 WasteigyhlarsealiGas (Deflections on 1ogs ore caiculoted to a Lone-Wells sensitivity index of 10 inches) a ee ee — =
4 il Cory Truax Traer No. 1 Logs shown bel tele id te I enti inn
1500. Feta rie ey = sec. 13, T. 132N., R102 W. gt wn below ore telescoped to a column representing 3 inches deflection. 4
sec. 3, T. M43N., R. 103 W. Bowman County, Ne Dok e SOUTH DAKOTA S
Ee 7 Golden Valley County, N. Dak. a fc 5 Et
pi eae L el Oil eo on Contact between Pierre shole (Kp) and Niobroro formation (Kn) as listed in oil industry ecout reparts. | 1 f
merada Petroleum c No. 21-
= Herman May No. 1 sec 24, TAN. ROLE. ‘Strong radiooctivity in upper half of section marks the approximate position of the Shoron Springs
wal WW S| sec. 9, T. 139 -N., R. 100 W. za Fallon County, Mont member of the Pierre shole, except in sections 4,5, and I2, where o definite _ .
Billings C ae Peak is not discernible 3
AMprpoy illings County, N. Dak. oI ;
©
a 30004 : =
= 31004 SS! 2 3 |
mi 3400-4 : = !
. ; =
-— 004 percent 5
Ss —| 2 IE 5
P 3100+
s200 = ei ae ~*~.
3500-ys— Nv NS
— INDEX MAP 3
> 13 -
3200: Shell Oil C 15
il Co.
33004 S =
J.T. Homme No.
3600-4 = fabepeaee | Shell Oil Co.
: HD. Veal No. 1
> sec. 7, T.I7N., RISE.
Perkins County, S. Dak.
E < a 20
\
a 3300 aa eas Ne Kerr-McGee Oil Industries, I
— = err-McGee Oi! Industries, Inc. t-McGee Oil Industries, Inc.
37004. | iz — Eee Fred Chute No. |
7 sec. 20, T. 12N,R. WE, sec. 33, T.3N.,R. 19 E.
PaRbcER Coanty, FS! Bale in Hookon County, S. Dak.
003 percent eU Feet 19
b> 34004 Carter Oil Co.
<J J. W. Danielson No. 1
3800 002 percent 6 mail sec. 5, T.3N., R. 22 E.
Hookon County, S. Dak.
Feet
Sa q 3500}
SRR 06 percent eU
3900-5
(700+
000 932% Ss
_ . “
i? 3600-4 =
bs | ss
4000+
< _ 1800+ ise,
Ws 2200!
3700 |
Datum 500 feet above Greenhorn formation —
picked from gomma-roy log Oe Pe! 191
\ = Ss = 1500+ _Ikp
Ke
2300:
4200 |
Datum 500 feet above Greenhorn
14 formation picked from gamma-ray log
6 oe Youngblood ond Youngblood Drilling Co.
Standard Oil ond Gos J. J. Wheiner No. |
Walter Waswick No. 1 2 pane iB TON, R. 17 E. 17
sec. 2, T. 153N., R. 85 W. etkins County, S. Dak. Ke - ;
, a ‘err-McGee Oil Industries Inc.
eat Ward County, N. Dak. Shell Oil Co. OGL Wallace Cook No. 1
feet J. K. Winter No. 1 sec. 32, T. I3N., R. 22E.
ell & oe Dewey County, S. Dak.
forson County, Feet
Feet -
“008 Percent el, ut
4 Ohio Oil Co.
nail Standing Rock Sioux Tribal No. 1 2004
Corter Oil Co. sec. 29, T. 131 N., R. 80 W. 003 percent eu 18
State No. 1 10 Sioux County, N. Dok. 006 percent eU Pp
sec. 16, T. 143.N., R. 71 W. Feet iS Bertin 1
Kidd Continental Oi! Co. 1000. Clyde Schaffner No.
= idder County, N. Dak. else sec. 26, T. 6N., R. 27 E.
pons Noo sec. 32, T. 137.N., R. 76 W. Stanley County, S. Dok.
7 Nee am Burleigh County, N. Dak. 22004 inate
Continental Oil Co. rcelnt eU s00-}
LethNo PR SSS Kp
B sec. 27, T. 46N., R. 73 W. 8 Kn 1100-8
_ Wells County, N. Dok. semen. aA
2800+ 1500. J.M. Carr No. 1 009 percent}
sec. 15, T. 140 N. #00, aoe
Foster County, N. 900
Feet
1200:
600- SSS
2900 BEER RH] |\ A we 1600 eu’ percent 2400:
{005 percent &U wal
eee cu i306 CaN 1700-
Kp:
700 : SSS SSH
1400+
3000 17004 2a8 e 2500: =
Dotum 500 feet above Greenhorn formation
Dotum 500 feet above Greenhorn formation Ses uae picked from gammo-ray log
picked from gammo-ray log ss CORRE
800: =, VW ©
Tae BOOP

GAMMA-RAY LOGS SHOWING RADIOACTIVITY OF THE LOWER PART OF THE PIERRE SHALE AND THE UPPER PART OF THE NIOBRARA
FORMATION IN HOLES DRILLED FOR OIL INNORTH DAKOTA, EASTERN MONTANA, AND WESTERN SOUTH DAKOTA

491603 © ~ 59 (In pocket) No. 4