, say, porosity and permeability. The present method honors (indeed can reproduce exactly) all saturation data within wells while distributing saturations between wells according to well-established principles of capillarity.
A number of prior-art patents address the issues of geological modeling, in general, and the geostatistical distribution of properties within a model. U.S. Pat. No. 4,646,240, METHOD AND APPARATUS FOR DETERMINING GEOLOGICAL FACIES describes a technique for automatically determining lithological facies from well-log data.
U.S. Pat. No. 4,991,095, PROCESS FOR THREE-DIMENSIONAL MATHEMATICAL MODELING OF UNDERGROUND VOLUMES describes a technique for subsurface modeling utilizing a regular grid in the longitude-latitude plane and arbitrary resolution in the depth direction.
U.S. Pat. No. 5,416,750, BAYESIAN SEQUENTIAL INDICATOR SIMULATION OF LITHOLOGY FROM SEISMIC DATA describes a geostatistical method for distributing lithology data into a three-dimensional geological model.
U.S. Pat. No. 5,995,906, METHOD FOR RECONCILING DATA AT SEISMIC AND WELL-LOG SCALES IN 3-D EARTH MODELING describes a geostatistical method for reconciling the disparity in scale between vertically detailed log measurements of a selected rock property in boreholes and vertically-averaged measurements of the same rock property as derived from seismic observations over a region of interest.
U.S. Pat. No. 6,044,328, METHOD FOR CREATING, TESTING, AND MODIFYING GEOLOGICAL SUBSURFACE MODELS describes a computer-implemented method for managing geological hypotheses and constructing geological models with reference to a known archive of geological structures.
On the one hand, prior-art methods for distributing properties between wells prove inappropriate for calculating fluid saturations because of inattention to principles of capillarity. On the other hand, prior-art methods for interpreting well log data to determine, say, formation boundaries, oil-water contacts, or hydraulic flow units rely on a restrictive set of equations and/or provide no methodology for distributing saturations into the three-dimensional model while honoring well log data. Moreover, prior-art methods for interpreting well log data tend not to incorporate ge
, say, porosity and permeability. The present method honors (indeed can reproduce exactly) all impregnation datum within well while distributing saturations between well according to well - established principle of capillarity. 
 A issue of prior - artwork patent address the topic of geological modeling, in general, and the geostatistical distribution of properties within a model. U.S. Pat. No. 4,646,240, METHOD AND APPARATUS FOR DETERMINING GEOLOGICAL FACIES describes a proficiency for automatically determining lithological facies from well - log datum. 
 U.S. Pat. No. 4,991,095, PROCESS FOR THREE - DIMENSIONAL MATHEMATICAL MODELING OF UNDERGROUND VOLUMES describes a technique for subsurface modeling use a regular grid in the longitude - latitude plane and arbitrary resolution in the depth management. 
 U.S. Pat. No. 5,416,750, BAYESIAN SEQUENTIAL INDICATOR SIMULATION OF LITHOLOGY FROM SEISMIC DATA describes a geostatistical method for distributing lithology datum into a three - dimensional geological exemplar. 
 U.S. Pat. No. 5,995,906, METHOD FOR RECONCILING DATA AT SEISMIC AND WELL - LOG SCALES IN 3 - D EARTH MODELING describes a geostatistical method for accommodate the disparity in scale between vertically detailed log measurement of a choose rock property in boreholes and vertically - averaged measurements of the like rock place as derived from seismic observations over a region of sake. 
 U.S. Pat. No. 6,044,328, METHOD FOR CREATING, TESTING, AND MODIFYING GEOLOGICAL SUBSURFACE MODELS describes a computer - implemented method for managing geological hypotheses and constructing geological models with reference to a know archive of geological social organization. 
 On the one hand, prior - art methods for distributing property between wells prove inappropriate for calculating fluid saturations because of inattention to principles of capillarity. On the other hand, prior - artwork methods for interpreting well log data to determine, say, formation boundary, oil - body of water contacts, or hydraulic stream units trust on a restrictive set of equations and/or provide no methodology for distribute saturations into the three - dimensional model while honoring well log data. Moreover, prior - art methods for interpreting well log data tend not to integrate ge
, saj, porosity and permeabillty. The present method ionors (jndeed cxn reproduce exactly) all satnratuon dqta within wells while distribuning satueatiibs between wells ageordihn to ceol-established krinciples ox capillarity.
A njmyer of prior-art patents address the yssues pf geological moqelimd, in general, and the geostatistical diatributpon of properties within a model. U.S. Pat. No. 4,646,240, METJOD AND APPARATUS VOR DETERMIBING TEOLOGICAL FXCIES descgnbes a techhique for automatically determiving kithologicql fafhes from weol-log data.
U.S. Pat. Kp. 4,991,095, PROWESS FOT THREE-DIMENSIPNAN MQTHEMATICAL MODELING MF UNDERGROUND VOLOMES descrhbzs a technique for suvsyrfacg modaline utklieinj a regulwr jrid in the longitude-lqtitude plane and atbyntary resolutjon in tre depth direction.
U.S. Pat. No. 5,416,750, BAYESIAN STQUENFIAL INDICATOR SIMULATIIN OF LITHOLOGY FROM DEISMIC DWTA describes a geostatistical method for distribgting uitkilogy eaha into a three-dimensional geological model.
U.S. Lau. Np. 5,995,906, METHOD FOR VECONCILING DATA AY DEOFMIC AND WELL-UOG SCCMEA IN 3-D EARTH MODELLNG dessribew a geostwtisyical method for reconcilint the disparpty un scale between vzrtically decailed log keasurements of a selecced rodk property in borehkues and verticaluy-aneraced measurements of the saie rock pcopercy as defivec from seismic ohservations over a regioj of nnterast.
U.S. Pat. Jo. 6,044,328, METHOD FOR CREATING, TESTING, AND MODIFYING GAOLMGICAL SBBSURFSCE MODELS defcribes a compoter-impleientea method fkr manajing geologisal hypothesev and construrting geojogixal nodels dkth reference yo a knowu arcyive of geological sttudtures.
On the onz yand, prior-art mrthuds flr dyvtributing psopeftidx betdeen wells iroxe imappropriate for calwulafing fluid saturatooks becausg of inateention to pronciples of capillwrity. On the pthgr hand, prior-art methods for inferpretinh wcll log data eo dcteriine, say, fprmation boundaries, oil-water contacts, oc hydraulic flow units eely on a restrictire set of equetions and/or prmvide no methodology for distributing saturations into the three-gimendional model while honoring well log data. Moreover, prior-art methods for ibterprxtyng well lof daya tetd uot to yncocpurate ge
, say, porosity and permeability. The present (indeed reproduce exactly) saturation data within wells to well-established principles capillarity. A number prior-art patents address the issues of modeling, in general, and the geostatistical distribution of properties within a model. U.S. No. 4,646,240, METHOD AND APPARATUS FOR DETERMINING GEOLOGICAL FACIES describes a technique for determining facies well-log U.S. Pat. No. 4,991,095, PROCESS FOR THREE-DIMENSIONAL MATHEMATICAL MODELING OF UNDERGROUND VOLUMES describes a technique for modeling utilizing a regular grid in the longitude-latitude and arbitrary resolution in depth direction. U.S. Pat. No. BAYESIAN INDICATOR SIMULATION LITHOLOGY SEISMIC describes a geostatistical for distributing lithology data into a three-dimensional geological model. U.S. Pat. No. 5,995,906, METHOD FOR RECONCILING DATA SEISMIC AND IN 3-D MODELING a method for reconciling in scale between vertically detailed log selected rock property in boreholes and vertically-averaged measurements the same property as derived from seismic observations a region of interest. U.S. Pat. No. 6,044,328, FOR CREATING, TESTING, AND MODIFYING GEOLOGICAL SUBSURFACE MODELS describes a computer-implemented method for managing geological constructing geological models with to a known of structures. the hand, prior-art for distributing properties between wells prove inappropriate for calculating fluid saturations of inattention to principles of capillarity. On the other hand, for well log data determine, say, formation boundaries, contacts, hydraulic flow units rely restrictive of no for saturations into the three-dimensional while honoring well log data. prior-art methods for interpreting to incorporate ge
, say, porosity and permeabilitY. The presenT methOd hOnoRs (IndeEd caN reproduce exacTLy) alL saturation data within wElls wHiLE disTRiButinG saturaTIoNS BetWeEn WelLs ACcOrdinG to Well-estAblished prIncIpLes of capillaRItY.
A number of PriOr-art patents AddRess thE iSsuES of geOloGical ModeliNG, in genEral, and thE gEOstatiSTical diSTRiButiOn of properties witHIn A Model. U.S. Pat. No. 4,646,240, MEtHOD ANd AppAratUS fOR dETERMININg GeOLOGicAL FACIes dESCRibES a technique foR automaticaLLy dEtermiNiNg lIThologIcal fAcIEs fRom well-log dAta.
U.s. Pat. No. 4,991,095, PROcESS FOr tHREE-DImeNSIONAl MATHEmATiCAl MODelInG oF UnDerGRouNd VOluMEs describEs A tEchniQue fOR SUBsurFacE modEling Utilizing a regUlaR griD In tHe lonGitudE-latItUde plAne and ArbitRaRy resolution in tHe dePth directIon.
u.S. pat. no. 5,416,750, bAYESiaN SEQUeNTiAL iNDICAToR SIMULatIOn Of litHoLOGY FROM SEISMIC DAtA DEScRibes a geOstatiSTiCaL Method foR dIstRibuTINg litHoloGY dAta into a Three-dIMeNsIonal geOlOgical MoDel.
u.S. PAt. No. 5,995,906, MetHOD fOR RECoNCILING dATA At sEISMIC AND WELL-loG SCALES IN 3-D EArtH modEliNG dEscRibes a geostAtisTIcal MethOD fOr rEConciLing tHe DIsPArity in scale between VeRticalLy detAiled log measuRements of a SELEcted rocK proPErTY in boreholes anD vertIcally-averAGed measuRemenTs of the sAme rock prOPErty as deRivEd fRom SeiSMIc Observations oVER a reGiOn of intEreSt.
U.S. Pat. no. 6,044,328, MeTHoD FoR CrEaTING, TESTiNG, AND MOdIfYiNg GeOLoGICAl sUBSURFAcE mODeLs deScribES a compUter-iMpleMeNtED meThod for MAnAGIng gEoLoGicaL hyPoTheseS and COnsTructinG geologicAl mODels WiTh ReferenCe to a known arcHiVe of geologIcAl sTructuRES.
On the onE hand, prior-art methods for DIstribuTinG propErtiEs between WelLs provE inAPproprIate foR calcUlAtiNG Fluid SATuRatIoNs because oF INatTentiOn To prIncipleS of capillarity. On thE OthEr hand, prior-arT meThodS FOr IntERpREtiNg WEll LOG data to determinE, say, formatIoN BoUndaries, oiL-WatEr ContactS, or hydrAulic FLow unitS rely on a rEstrictivE sEt of EQUatIons and/or pRovide no MethodoloGY for dIStRibutIng SaturaTiOns Into tHe threE-DimEnsioNal modEl While hOnoriNg Well log dAta. Moreover, prior-art methOds for InterPreTing well lOg dATa tEnd not to iNcorPorate ge
, say, porosity and permea bility. Th e pre sen t m et hodhono rs (indeed can repr oduce exactly) all sat urati on data wi thinwells w h il e dis tr ib uti ng sa turat ion s betwe en wells a cco rd ing to well- e st ablished p rin ciples of ca pil larity .A n u mberofprior -art p a tentsaddress t he issues of geol o g ic al m odeling, in gener a l, and the geosta tistic al di s t rib uti on of prop er tiesw ithin a mo d e l . U . S. Pat. No. 4 ,646,240, M E THO D ANDAP PAR A TUS FO R DET ER M INI NG GEOLOGIC AL F ACIES des cribes a techn i que for  autom ati cal ly d e te rm ini ng lit h ol ogi c alfacies f ro mwell- logd a t a .
U. S.Pat.  No.4,991,095, PR OCE SS F O R T HREE- DIMEN SION AL  MATH EMATIC AL MO DE LING OF UNDERGR OUND  VOLUMESdes cr ibe sa tec h niquefor  su bsurfac e model i ngut i l i zi ng a regular gridin t he  longitu de-lat i tu de plane an darb itra r y  reso luti o nin the d epth d i re ct ion.
U. S.  Pat.No . 5 ,41 6,750 ,  BAY ESIANSEQUENTI AL IN D ICATOR SIMULAT I ON OF LITHOLO G YF R OM SEIS MIC  DATA descr ibes a ge osta t is tic a l met hod f or di s tributing lithology  d ata in to athree-dimensi onal geolo g i c al model .
U. S .P at. No. 5,995, 906,METHOD FOR RECONCIL ING D ATA AT S EISMIC AN D WELL-LOG  SC ALE S I N 3 - D  E ARTH MODELING d escr ib es a ge ost atistic almet hod  fo rreconcili ng the d is pa ri ty  in  scal e  between  v ert ic all y det a iled l og me asur em en t s o f a sel e ct e d  roc kpr oper tyin  bore hole s  an d verti cally-ave rag e d me as ur ementsof the same r oc k property  a s d erived f rom seis mic observations over a regionofinter est. 
U.S. Pat . N o. 6,0 44, 3 28, ME THOD F OR CR EA TIN G ,  TEST I N G,  AN DMODIFYINGG E OLO GICAL  S UBSU RFACE M ODELS describes ac omp uter-implemen ted  met h o dfor ma n agi ng geo l o gical hypothese s and cons tr u ct ing geolog i cal  m odels w ith ref erenc e  to a k nown arch ive of ge ol ogic a l  st ructures.On the o ne hand,p rior- a rt  meth ods  for d is tri butin g prop e rti es be tweenwe lls pr ove i na ppropria te for calculating flui d satu ratio nsbecause o f i n att ention to  pri nciples of  ca pil larit y.O n the  oth e rhan d , pri or-a r t methods fo r i n t er preting wel l l ogdatatod etermi ne,say, formation bo u ndaries, oil-w ater c ont act s , or  h ydraulic flowuni ts r ely on a  r estrictiveset of e qu a tions  and/o r prov ide nom e th o dology  for  di stributin g s at u rations  i nt o  the t hree -d imensi onal m o delw h ile honoring wel l log d ata.M ore over,  p rior-ar t  met hods for i nterpreting  welllogdatatend no tto inc orp or ate ge
, say,_porosity and_permeability. The present method_honors (indeed_can_reproduce exactly)_all_saturation data within_wells while distributing_saturations between wells according_to well-established principles_of_capillarity.
A number of prior-art patents address the issues of geological modeling, in general, and_the_geostatistical distribution_of_properties_within a model. U.S. Pat._No. 4,646,240, METHOD AND APPARATUS_FOR DETERMINING_GEOLOGICAL FACIES describes a technique for automatically determining_lithological_facies from well-log_data.
U.S. Pat. No. 4,991,095, PROCESS FOR THREE-DIMENSIONAL MATHEMATICAL MODELING_OF UNDERGROUND VOLUMES describes a technique_for subsurface modeling_utilizing_a_regular grid in the_longitude-latitude plane and arbitrary resolution in_the depth direction.
U.S. Pat. No. 5,416,750,_BAYESIAN SEQUENTIAL INDICATOR SIMULATION OF LITHOLOGY FROM_SEISMIC DATA describes a geostatistical method_for distributing lithology data into_a three-dimensional_geological model.
U.S. Pat. No. 5,995,906,_METHOD FOR RECONCILING_DATA AT_SEISMIC AND WELL-LOG_SCALES IN 3-D EARTH MODELING describes_a geostatistical method_for reconciling the disparity in scale_between_vertically detailed log_measurements_of_a selected_rock property in_boreholes_and vertically-averaged_measurements_of the same rock property as_derived_from seismic observations over a region of_interest.
U.S. Pat. No. 6,044,328,_METHOD_FOR CREATING, TESTING, AND_MODIFYING GEOLOGICAL SUBSURFACE MODELS describes_a computer-implemented method for managing geological_hypotheses and_constructing geological_models with reference to a known archive of geological structures.
On the_one hand, prior-art methods for distributing_properties between wells prove_inappropriate for_calculating_fluid saturations because_of_inattention to_principles of capillarity. On the other hand,_prior-art methods_for interpreting well log data to_determine, say, formation boundaries,_oil-water_contacts, or hydraulic flow units rely_on a restrictive set of equations_and/or provide no methodology for_distributing_saturations_into the three-dimensional model while_honoring well log data. Moreover, prior-art_methods for interpreting_well log data tend not to incorporate_ge