~Version Information
 VERS.                  2.0:   CWLS log ASCII Standard -VERSION 2.0
 WRAP.                   NO:   One line per depth step
~Well Information Block
#MNEM.UNIT     VALUE/NAME     DESCRIPTION
#---------     -----------    ---------------------------
 STRT.F                   0.00: START DEPTH
 STOP.F                4679.00: STOP DEPTH
 STEP.F                   1.00: STEP DEPTH
 NULL.                 -999.25: NULL VALUE
 UWI .            15-179-21307:  UNIQUE WELL IDENTIFIER
 API .            15-179-21307:  API NUMBER
 TOWN.              Grainfield:  TOWNSHIP
 REGN.                Northern:  REGION
 MWDS.                     OKC:  MWD SHOP
 CTRY.                     USA:  COUNTRY NAME
 BASE.                  Duncan:  LOGGING EQUIPMENT BASE LOCATION
 UNIT.                   PP 51:  LOGGING EQUIPMENT ID
 XYGR.     State Planes, NAD27 Based, US Foot:  XYGROUP
 LLGR.      Latitude/Longitude:  LLGROUP
 MMDD.         14 August, 2012:  MAG DATA DATE
 MMDL.            bggm2012
.dat:  MAGNETIC MODEL
 CREF.     Datum North American Datum of 19:  CART REFERENCE
 GREF.     Ellipsoid World Geodetic System :  GEO REFERENCE
 CGSY.                    KS-N:  CART GRID SYS
 GGSY.                      LL:  GEO GRID SYS
 CCDE.     NAD27 Kansas State Planes, Northern Zone, US Foot:  CART COORD DESC
 GCDE.     Generic Lat/Long's, Degrees, -180 ==> +180:  GEO COORD DESC
 SPUD.               14-Aug-12:  SPUD DATE
 PDAT.            Ground Level:  PERMANENT DATUM
 DMF .             Drill Floor:  DRILL MEAS FROM
 STIM.      06.00.32 14-Aug-12:  START TIME
 DATE.      21.13.36 14-Aug-12:  END TIME
 DMOD.             Drill Model:  DRILL MOD DESC
 SVYD.                  Survey:  SURVEY DESC
 ILTD.               Lithology:  INTERP LTH DESC
 FTOP.          Formation Tops:  FORM TOPS DESC
 CNTY.                Sheridan:  COUNTY NAME
 RIG .                Heracles:  RIG NAME
 WELL.         ZERR #31-41-1H :  WELL NAME
 COMP.                  Apache:  COMPANY
 PROV.                  Ka
nsas:  PROVINCE
 STAT.                  Kansas:  STATE NAME
 MDS .              Win MagUTM:  MAG DATA SOURCE
 SON .        OK-XX-0009655243:  JOB NUMBER
 FLD .                        :  FIELD
 SRVC.     Halliburton Energy Services:  SERVICE COMPANY
 LOC .                        :  LOCATION
 SECT.                       31: SECTION
 TOWN.                     10 S: TOWNSHIP
 RANG.                     28 W: RANGE
 LMF .             Drill Floor:  LOG MEASURED FROM
 CMER.deg               -98.00:  CENTRL MERIDIAN
 MMDE.ft                  0.00:  MAGUTM CALC DEP
 LATI.deg                39.15:  LATITUDE
 LONG.deg              -100.49:  LONGITUDE
 TVDS.ft               2774.00:  TVDSS CORRECTN
 EGL .ft               2748.00:  GROUND ELEVATION
 WDMS.ft                  0.00:  WD ELEV
 WHNS.ft                  0.00:  WELL HEAD N/S
 WHEW.ft                  0.00:  WELL HEAD E/W
 UTMX.ft            1294263.75:  UTM X
 UTMY.ft             306101.59:  UTM Y
 DFWL.ft                  0.00:  DISTANCE 
FWL
 DFSL.ft                  0.00:  DISTANCE FSL
 EPD .ft               2748.00:  ELEVATION
 APD .ft                 26.00:  DEPTH ABOVE PD
 SDEP.ft                 40.00:  START DEPTH
 TDD .ft                  0.00:  TOTAL DEPTH (DRILLER)
 VSDR.deg               180.91:  VERT SEC DIRECT
 MFLD.nT              52734.00:  MAGNETIC FIELD
 MDIP.deg                66.65:  MAGNETIC DIP
 GVFD.g                   1.00:  GRAVITY FIELD
 MDEC.deg                 6.28:  MAGNETIC DECL
 GRDC.deg                -1.57:  GRID CORRECTION
 AZTC.deg                 7.86:  AZM TOTAL CORR
 EKB .ft                  0.00:  KB ELEVATION
 EDF .ft               2774.00:  DF ELEVATION
 WTYP.                       2:  WELL TYPE
 NREF.                       2:  NORTH REFERENCE
 HPTY.                       0:  HOLE POS TYPE
 MAGU.                 1970252:  MAGUTM CHECKSUM
 VSC .                       0:  VS TO CLOSURE
~Curve Information Block
#MNEM.UNIT                 API CODE     Curve Description
#---------     
          -----------    ---------------------------
 DEPT.F                 00 000 000 000:  Depth
 DGRC.api               00 000 000 000:  DGR Combined Gamma Ray
 DGRTVD.ft              00 000 000 000:  DGR True Vertical Depth
 EWRTVD.ft              00 000 000 000:  EWR True Vertical Depth
 EWRVS.ft               00 000 000 000:  EWR Vertical Section
 R15P.ohmm              00 000 000 000:  15in Phase Resistivity
 R39P.ohmm              00 000 000 000:  39in Phase Resistivity
 R39A.ohmm              00 000 000 000:  39in Atten Resistivity
 ROPA.fph               00 000 000 000:  Avg Rate of Penetration