IS INVITED. SUCH DISCUSSION MAY BE PRESENTED AT THE TECHNICAL MEETING
solubility which were f~ to apply towide variety of heM oils produced in Saskatchewan.
SUBJECT TO CORRECTION CORRELATIONS OF VISCOSITY, DENSITY ANDGAS SOLUBILITY FOR SASKATCHEWAN HEAVY OILS by Beverly Quail, Gordon A. Hill, Dept. of Chemical Eng., University of Saskatchewan Kamal N. Jha Petroleum Division, Saskatchewan Research Council
PUBLICATION RIGHTS RESERVED THIS PAPER iS TOBE PRESENTED AT THE FIRST ANNUAL TECHNICAL MEETING OF THE SOUTH SASKAT-CHEWAN SECTION, THE PETROLEUM SOCIETY OFCIM, HELD IN REGINA, OCTOBER 68,1987. DISCUSSIONOF THIS PAPER
AND WILL BECONSIDERED FOR PUBLICATION IN CIM JOURNALS IF FILED IN WRITING WITH THE TECHNICALPROGRAM CHAIRMAN PRIOR TO THE CONCLUSION OF THE MEETING.
U" The Beggs and Robinson equation was efied and extended toate viscosity.new equationhere
equation bYMehrotra andSvrcek wasfound to be suitable for gas solubility.For oil ~ity, the Rojas equation was extended
and C02 injection.P~~ oil is usually treated to separate water and solid particles arbd then transported via pipelim or trick to further upgradirxg stations.In ordex to oo
These correlations were perfonred on three ertant physical pr~les: viscosity, gas solubility anddensity. Thedata forthese 59samples were generated averperiod ofby previcuslydescr~ by Jha-L
mc)dified ancl extended.A1C~ many equatiamin this work, only the most ~~ful ones will be discussed here.Ref toother correlatM equatiam are descr~ by Qmil
ticn and peing
tO handlecrude oils, the engineer
sinple equationsthat can aetely predict
the oi-l Isphysical
pre~ on rate for the next 40 years. techni~
~ suitable ~tlcm for veity, density arbd gas
tion and 002
to aco=t for wd CH4/e
Heavy oil in reserve of energy. ON AM represents an Fbr instance,if the
known reserves ed be t~ly recovered, there wmld be er~ oil to feed Cw~
punplm, waterfle, s~ heatim ancl
correlated agairrtvariety of existirxg equations
fittirxg subroutine called MM, marketed by IMSL,
cn. Some work has also been dcrie onother enhanced techmques such as polymer fl
estimte arbd design t~ processes, an engineer requires snple equations which will allow him to accurately predict how the crude oil Ls goim to behave.
In this work, 59 heavy crude oils colle~ fram different pr~ing areas/subareas of Saska were
previely presented in the literae.
All the equations presented
ilse e-s for vl~ity, Kelvin for
ture, MPa for pressure, mle
tlo,,, g/an3 for denrity ancl STp M3 of gas/m3 of oil for solubility. IMequations fitusirxg nm-linear,least
In order to ~infits and/or to eude in the analyris, literae equatiam were
PETROLEUM SOCIETY OF CIM
THIS IS A PREPRINT -SUBJECT TO CORRECTION
CORRELATIONS OF VISCOSITY, DIENSITY AND GAS
SOLUBILITY FOR SASKATCHEWAN HEAVY OILS
Beverly Quail. Gordon A. Hill.
Dept. of Chemical Eng .. University of Saskatchewan
Kamal N. Jha
Petroleum Division. Saskatchewan Research Council
PUBLICATION RIGHTS RESERVED
THIS PAPER IS TO BE PRESENTED AT THE FIRST ANNUAL TECHNICAL MEETING OF THE SOUTH SASKAT•
CHEWAN SECTIONTHE PETROLEUM SOCIETY OF CIM, HELD IN REGINA, OCTOBER 6 -B, 19B7. DISCUSSION
OF THIS PAPER IS 'INVITED. SUCH DISCUSSION MAY BE PRESENTED AT THE TECHNICAL MEETING AND
WILL BE CONSIDERED FOR PUBLICATION IN CIM JOURNALS IF FILED IN WRITING WITH THE TECHNICAL
PROGRAM CHAIRMAN PRIOR TO THE CONCLUSION OF THE MEETING.
Recovere:l oil is usually treated to separate
'<ater ar:rl solid particles ar:rl then transporta:l via
In order to design aH.Jropriate recovery,
pipeline or truck to further IJj:grad:in:j stations
storage, transportation an:! processin;r systems to
har.d.le crude oils, the ergineer requires silrple
equations that can aa::urately pre:li.ct the oil's
order to correctly estiJrate an:! design these
processes, an e.rgineer requires siJrlple equations
which will allow him to a=rrately pra:tict how the
cn.xie oil is goirg to l::ehave.
'Ihis peper presents sane
suitable equations for viscx:::sity, density an::i gas
solubility which were found to awly to
In this work, 59 heavy cn.rl.e oils collecte:i fran.
different ProJucing aIBaS/subareas of saskatchewan
variety of heavy oils prtrltJ.cej in saskatchewan.
were correlated against
variety of existing
TI;e Beggs ar:rl Robinson equation was modified ar:rl
equations previously presented in the literature.
'These correlations were perfo:rned on thrEe .i.rnp::>rtant
physical prcperties: viscosity, gas solubility an:!
ext.erded to correlate vi...scrsity.
'!he ne;.l equation
presente:::l here aa::exmts for terrq;:era:bJ.rB, pressure,
0:1 concentra.tion an:i CD:2 concentration. An equation
TI;e exper:iJrental data for these 59 samples
were generated over p=ricd of m:mths by
procedures previously described by Jha, All the
proposed by Mehrotra an:! svroek was found to I:e
suitable for gas solubility. For oil density, the
Raj as equation was ext.erded to acx::nmt for
equations presented here use mPa· 5 for viscosity
temperature an:! 0l4!OJ concentrations,
Kelvin for temperature., MFa for pressure, nole
gas concentration, g/cm) for density an::i SI'P
gas/m3 of oil for solubility,
'!he equations were fit usi.ng a non-linear, least
squarES fittin;r subroutine called ZXSSQ, narketed by
In order to obtain iJrproved
fits an::lIor to include extra irdepenc!ent parameters
in the analysis, literature equations were frEquently
modified an:! extended_ Although many equations were
re.searched in this work, only the JOOSt sucx:::essful
Heavy oil in saskatchewan represents an enornous
reserve of energy.
For instance, if the present
IMSL, Houston, Texas.
known reserves could I:e totally recavere:l, there