The Daily Ardmoreite. [volume] (Ardmore, Okla.) 1893-current, 1922-07-13
Government Report
On Oklahoma Crude

AS part OF comprehensive ;ur 'cy o,
American crudes, the bureau ot MINES
Is analyzing samples of crude from all
producing fields oil the United States,
and are including report Oh OKLA
homa petroleum.
The gravlties of the Oklahoml oils,
according to the report he mostly be
tween the limits oil 80 and 40 d1slees
Baume. One sample has a gravity oi
2s.6 and two OF three shovel 40 U.
"a degrees; the two samples havins
the highest graylties t46.S degrees ana
5Zl degrees) are in way freak oils
from ields IN one or the southern cuum.
ties whore the quantity of ol produc 60
is very small. The average figures fer
the seres approximately 2o.l degrees h.
t0.s+5 specific granny which IL NJ
tIceably higher than the average hhGrv
of 3l.s degrees Tor the series oI crude
samples cUnec,eu IN The ADJOINING STA 4
q. Nansas.
sulphur contents vary between 90,
tor me twO "Ireak samples from Mdl
snah county up w U.o- pet cent ior 40.
o.. nom the Allen lieid IN PontuioD
cUunty, ana az per cent Tor the on.
represcnI.ns The li.aIdton and HeW't,
I.elGs Ia Laetsr county. About ole
naIl =, tne suinples have a sulphur con
tent between VI and o. per cent. ms
lhree Samples menDOntd above are thr
>OnIy onss whose sulphur content eA'
~cueGs 10 pr cent. lhe yiscoslty and
pour tests show moderate degree o.,
variation through the series, but none
oi lhe Ohs - exceptionally vicious'
TO The leHncr The most important
properly Ot crude petroleum. Is the con
tent vi gasoline aud naphthu. The
OK.lhO.nu series makes u particularly
taNoi .,D.r showing IA Ih.s respect Us the
average gasoline content Is 2rt per
cent ana some OILS contain 40 much ~
~ per cent
several samples from Okfuskee. Ok
muisec, auu .dusnostc counties nave
carbon residue close 10 three per cent,
nence thvy couiu probably be made 10
y.eid a passuule sradv ot cylinder stoch
w.thout SPECIAL treatment VI at ieas'
they would require minimum quanttlts
vi chemicals. Other samples showed
r.gures ot sla per cent VI less. and, Al
cnelIlcaly treated, are undoubtedi!
su,uDle TOR producing cylinder stock
The majority OF the hign carbon residue
figures are. however. above SIX pei
cent. with occasional high extremes oi
ii 10 Is per cent one vi the Marshall
county samples shows u figure OF -
per cent the Oklahoma samples make,
on the whole u lairly favorable showing
In this regard, especially when com
- pared with such states as Kentucky,
eWyoming and Kansas
The classification OF oklahoma crudes.
on the basis of relative graVities OF
vlscoslties OF selected dstiiatlon irac'
lions, shows that practically all sam
pies fall within ranges that are char
acteristic OF normal intermediate crudes
chat is, they are intermediate between
the crudcs Of the parafinbasc type such
as Pennsylvania aud West Virginia
crudcs, and those OF the naptha'base
type. such as the California crude
some samples approach rather closely
To the limits characteristic OF the par
nffin.basc. Many other samples are not
notably different In this classification
from typical Ponnsylvanlu and Yves,
Virginia petroleums. 1hc Oklahoma
crudcs are exceptionally uniform In
gravity.
Copies OF the complete serial on the
Oklahoma lcrudes. with tables OF dlstil.
lation results, may bo obtained on re-
quest from the director OF the bureau
OF mines. Washington. d. c.