Petroleum and Natural Gas Fields in Wyoming Page: 418
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I.
00TABLE 12.-Crude-oil analyses--Continued
CRUDE PETROLEUM ANALYSIS
Bureau of Mines ......... Laramie- ............ Laboratory
Sample ........ PC-53-245 .. ......Lightning Creek field
Muddy sandstone - Lower Cretaceous
1,474 - 1,502 feetIDENTIFICATION
GENERAL CHARACTERISTICS
Wyoming
Niobrara County
SE*SW4 sec. 30,
T. 35 N., R. 65 W.(Apr 1980)
CRUDE PETROLEUM ANALYSIS
Bureau of Mines .....Laramie- ................ Laboratory
Sample... PC=53=2.46..............
IDENTIFICATIONLightning Creek field
Basal Sundance sand - U. Jurassic
3,870 - 3,890 feet
GENERAL CHARACTERISTICSWyoming
Niobrara County
NW-NW4 sec. 36,
T. 35 N., R. 66 W.Gravity, specific, _._._90-......909 Gravity, o API, ...._24.2 ..-__.... Pour point, O F., ..._be_ ela. ..5_____...
Sulfur, percent, 0,22 Color, -.......bhrnish..gze.en. ..........
Viscosity, Saybolt Universal at .1O, lg.. 10 ec.. a1.0E64_......sc. Nitrogen, percent, 0.10.
DISTILLATION, BUREAU OF MINES ROUTINE METHOD
STAGa 1-Distillation at atmospheric pressure, 1.6_0 ... mm. Hg
First drop, ----- ..---- F.
Fat Cut Sum, Sp. APRefractive 8. U. Cloud
No. tm Percent percent 60/60 F 0 C. o I. nCat 2 C. dlsperssion 1v. CF.
1...... 122 -
2...... 167 .......
3...... 212 11 1.1 0.706 . 68.9 1,39268 1247
4 ...... 257 15.... ... 2, . 74.... 5. 5_. ... 4 .24 . 1..4.1136.... 10.3. __
5 ...... 302 2.0 ...4.6 .7 50.6 . 32 ,42790 13 ....
6...... 347 ..2,... 7.3 .8 .7 37 1.44253 139,
7 . 32 3,5 . , .. .. .8 . 44 1,.4749. ..1.,..3.
7 ...... 47 1 15.8 .855 . 34.0 0 1. -12.9 157,
9...... 482 .. 56_ .. 214. 873 30.6 . .53 1.48304 ... 167..1..
o...... 527 82 9.6 .6 ... 28.2..... 55 1.49116 176.8 ....
STAGE 2-Distillation continued at 40 mm. HgGravity, specific, .. 0.816 Gravity, O API, ..o....41L9.0......... Pour point, a F., 19
Sulfur, percent, ...... 0.05_--. ----- Color, _----g r -............... ........een
Viscosity, Saybolt Universal at .1.000?F ,...38 _se..; ...... Nitrogen, percent, ..0-...
DISTILLATION, BUREAU OF MINES ROUTINE METHOD
STAGE 1-Distillation at atmospheric pressure, .60... _ . mm. Hg
F irst d ro p , . -- 1 _1 .... . - F .
Fraction Cut Sum. Sp. gr API Refractive Specific vise U. etCloud
No te. Percent percent 660. 60 C. 0d d. index on test
Sn at 20 C.0 dispersion 1 . F.
I ...... 122 - .. . .
2...... 167 ..1.0..66 84...368.1...6 .19..7
3...... 212 3.1- 4,8 . 693 .-2. 1. . .328... 124...
4 ...... 257 6,.3 i--- 1 .... 719 .....65.3 . 12 ..1.40104 __124.9__
5 ...... 302 6.5 17.6 .738 60.2 .13. 1 41065 1223....
6 ...... 347 . 6.4 24.0 .754 56.2 14 . 1.41949 128.2
7 ...... 392 . 5.6 i ... 29.6 .........0 ......52.3 15 . L4280-. 129.3...
8 ...... 437 6...6.9 -. 36.5 .787. .....48.3 18 1.43642 129.3
9 ...... 482 ..3 42.8 .801 45.2 19 . 1.44.437 133.9
10 ...... 527 ....8 .,..50.6 ....814 .. 42.3 . 21 1.45202 132.9..
STAGE 2-Distillation continued at 40 mm. Hg11...... 3 5,2
12...... 437 8.1
13...... 482 .7.4.
14...... 527 .5
15...... 572 8.2
Residuum.... . 34.0S 34.8- 0- , -t897 ...-2..6..3.-...._
"42.9 t904 25.0
S50.3 .917 22.8
"-56.-8- .........9?-6 .. -2i.3 - -
::::::::IIII I2~::::I:::::::::: ;:i62;;;]
-_65.0-- .934 20,0
-I--99-11 --- ---t958 16.256
55
58
59
6044 below .11 . ...... 392 , 1 -.... . 5-.3..... . . 3 3..... ... . .2 ..-- ---. ..- ........0
-------...--------------- .. 54 ......be .5 12...... 4 8,0 . 3,.7 .... 840 - 370 25.. . . . . . . . .....4.45........_4..0.
......--- - - -.5..... 20 ... 13...... 482 ... 6 .. 70.3 . 8... 8 4 -..... 34,.2 ... .. - 28- -- ---- -- -. _- 7__ ........---
.9.--1 - ...... . 14 ...... 527 ....9 6.2 . 864. 32.3 30..............9..... . 8
.... 5 15 ...... 572 . 6 82.8 .874 . 30.4 32 .. 145 ...
Residuum. 1. .7... 0--.0 .99.8 .910 ... 24.0.-Carbon residue, Conradson: Residuum, _,.#.. percent; crude, _. 8. percent.
APPROXIMATE SUMMARY
Percent Sp. gr. API Viscosity
Light gasoline ...................................... . .. . .09,7_0--. 68,9 . .i
Total gasoline and naphth ......... .................. .......7.3 . ,76 9 52
Kerosine distillate ................... ........ ......... -
asoil ................ 28..... ....... 8 .------. , ...3
Nonviscous lubricating distillate .................................. 12.0 .9_,.1.919. 25, 6-22a5 50-100
Medium lubricating distillate ....................9 .9............ ..19'.928 22, 21.- 0 100-200
Viscous lubricating distillate . ......... 1........ . 0. ..93 a8 21. -.9,4 Above 200
Residuum ............3....... .98 16........ ...... ........ 34 . . 16,2 [
Distillation loss .......0...... ..... ................... .... ......... . 0Carbon residue, Conradson: Residuum, __2:. percent; crude, .4 percent.
APPROXIMATE SUMMARY
Percent Sp. gr. API Viscosity
Light gasoline .............0........... . .......68....... . A.. ... --4. . . . . . .6
Total gasoline and naphtha ................................. ..29.6 .734 3
Kerosine distillate ............... ................... .. .21.0 .801 45.2
Gas oil ....... ......................................... 12.1 ,838 37.4
Nonviscous lubricating distillate .............................. 125 ,844-867 36.,2-31,.7 50-100
Medium lubricating distillate ..................................... .86787 31 100-200
Viscous lubricating distillate ................................. ............_... . Above 200
Residuum .............. ....................... .........1 24
Distillation lose 26-48b
(April 18)0
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Biggs, Paul & Espach, Ralph H. Petroleum and Natural Gas Fields in Wyoming, report, 1960; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc38797/m1/448/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.