In [5]:
import os, sys
import lasio
In [6]:
def print2(msg):
for i, line in enumerate(msg.splitlines()):
print "Line %d:%s" % (i, line.strip("\n"))
In [7]:
l = lasio.read(os.path.join("..", "tests", "examples", "1.2", "sample_wrapped.las"))
print2(l._text)
Line 0:~Version Information
Line 1: VERS. 1.20: CWLS log ASCII Standard -VERSION 1.20
Line 2: WRAP. YES: Multiple lines per depth step
Line 3:~Well Information
Line 4:#MNEM.UNIT Data Type Information
Line 5:#--------- ------------- ------------------------------
Line 6: STRT.M 910.000:
Line 7: STOP.M 901.000:
Line 8: STEP.M -0.1250:
Line 9: NULL. -999.2500: Null value
Line 10: COMP. COMPANY: ANY OIL COMPANY INC.
Line 11: WELL. WELL: ANY ET AL XX-XX-XX-XX
Line 12: FLD . FIELD: WILDCAT
Line 13: LOC . LOCATION: XX-XX-XX-XXW3M
Line 14: PROV. PROVINCE: SASKATCHEWAN
Line 15: SRVC. SERVICE COMPANY: ANY LOGGING COMPANY INC.
Line 16: SON . SERVICE ORDER : 142085
Line 17: DATE. LOG DATE: 13-DEC-86
Line 18: UWI . UNIQUE WELL ID:
Line 19:~Curve Information
Line 20:#MNEM.UNIT API CODE Curve Description
Line 21:#--------- ------------- ------------------------------
Line 22: DEPT.M : Depth
Line 23: DT .US/M : 1 Sonic Travel Time
Line 24: RHOB.K/M : 2 Density-Bulk Density
Line 25: NPHI.V/V : 3 Porosity -Neutron
Line 26: RX0 .OHMM : 4 Resistivity -Rxo
Line 27: RESS.OHMM : 5 Resistivity -Shallow
Line 28: RESM.OHMM : 6 Resistivity -Medium
Line 29: RESD.OHMM : 7 Resistivity -Deep
Line 30: SP .MV : 8 Spon. Potential
Line 31: GR .GAPI : 9 Gamma Ray
Line 32: CALI.MM : 10 Caliper
Line 33: DRHO.K/M3 : 11 Delta-Rho
Line 34: EATT.DBM : 12 EPT Attenuation
Line 35: TPL .NS/M : 13 TP -EPT
Line 36: PEF . : 14 PhotoElectric Factor
Line 37: FFI .V/V : 15 Porosity -NML FFI
Line 38: DCAL.MM : 16 Caliper-Differential
Line 39: RHGF.K/M3 : 17 Density-Formation
Line 40: RHGA.K/M3 : 18 Density-Apparent
Line 41: SPBL.MV : 19 Baselined SP
Line 42: GRC .GAPI : 20 Gamma Ray BHC
Line 43: PHIA.V/V : 21 Porosity -Apparent
Line 44: PHID.V/V : 22 Porosity -Density
Line 45: PHIE.V/V : 23 Porosity -Effective
Line 46: PHIN.V/V : 24 Porosity -Neut BHC
Line 47: PHIC.V/V : 25 Porosity -Total HCC
Line 48: R0 .OHMM : 26 Ro
Line 49: RWA .OHMM : 27 Rfa
Line 50: SW . : 28 Sw -Effective
Line 51: MSI . : 29 Sh Idx -Min
Line 52: BVW . : 30 BVW
Line 53: FGAS. : 31 Flag -Gas Index
Line 54: PIDX. : 32 Prod Idx
Line 55: FBH . : 33 Flag -Bad Hole
Line 56: FHCC. : 34 Flag -HC Correction
Line 57: LSWB. : 35 Flag -Limit SWB
Line 58:~A Log data section
Line 59:910.000000
Line 60: -999.2500 2692.7075 0.3140 19.4086 19.4086 13.1709 12.2681
Line 61: -1.5010 96.5306 204.7177 30.5822 -999.2500 -999.2500 3.2515
Line 62: -999.2500 4.7177 3025.0264 3025.0264 -1.5010 93.1378 0.1641
Line 63: 0.0101 0.1641 0.3140 0.1641 11.1397 0.3304 0.9529
Line 64: 0.0000 0.1564 0.0000 11.1397 0.0000 0.0000 0.0000
Line 65:909.875000
Line 66: -999.2500 2712.6460 0.2886 23.3987 23.3987 13.6129 12.4744
Line 67: -1.4720 90.2803 203.1093 18.7566 -999.2500 -999.2500 3.7058
Line 68: -999.2500 3.1093 3004.6050 3004.6050 -1.4720 86.9078 0.1456
Line 69: -0.0015 0.1456 0.2886 0.1456 14.1428 0.2646 1.0000
Line 70: 0.0000 0.1456 0.0000 14.1428 0.0000 0.0000 0.0000
Line 71:909.750000
Line 72: -999.2500 2692.8137 0.2730 22.5909 22.5909 13.6821 12.6146
Line 73: -1.4804 89.8492 201.9287 3.1551 -999.2500 -999.2500 4.3124
Line 74: -999.2500 1.9287 2976.4451 2976.4451 -1.4804 86.3465 0.1435
Line 75: 0.0101 0.1435 0.2730 0.1435 14.5674 0.2598 1.0000
Line 76: 0.0000 0.1435 0.0000 14.5674 0.0000 0.0000 0.0000
Line 77:909.625000
Line 78: -999.2500 2644.3650 0.2765 18.4831 18.4831 13.4159 12.6900
Line 79: -1.5010 93.3999 201.5826 -6.5861 -999.2500 -999.2500 4.3822
Line 80: -999.2500 1.5826 2955.3528 2955.3528 -1.5010 89.7142 0.1590
Line 81: 0.0384 0.1590 0.2765 0.1590 11.8600 0.3210 0.9667
Line 82: 0.0000 0.1538 0.0000 11.8600 0.0000 0.0000 0.0000
Line 83:909.500000
Line 84: -999.2500 2586.2822 0.2996 13.9187 13.9187 12.9195 12.7016
Line 85: -1.4916 98.1214 201.7126 -4.5574 -999.2500 -999.2500 3.5967
Line 86: -999.2500 1.7126 2953.5940 2953.5940 -1.4916 94.2670 0.1880
Line 87: 0.0723 0.1880 0.2996 0.1880 8.4863 0.4490 0.8174
Line 88: 0.0000 0.1537 0.0000 8.4863 0.0000 0.0000 0.0000
Show an unwrapped version
In [10]:
print l.version["WRAP"]
print
s = lasio.las.StringIO()
l.write(s, version=2, fmt="%.5f")
s.seek(0)
print2(s.read())
HeaderItem(mnemonic='WRAP', unit='', value='YES', descr='Multiple lines per depth step')
Line 0:~Version ---------------------------------------------------
Line 1:VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
Line 2:WRAP. YES : Multiple lines per depth step
Line 3:~Well ------------------------------------------------------
Line 4:STRT.M 910.0 :
Line 5:STOP.M 909.5 :
Line 6:STEP.M -0.125 :
Line 7:NULL. -999.25 : Null value
Line 8:COMP. ANY OIL COMPANY INC. : COMPANY
Line 9:WELL. ANY ET AL XX-XX-XX-XX : WELL
Line 10:FLD . WILDCAT : FIELD
Line 11:LOC . XX-XX-XX-XXW3M : LOCATION
Line 12:PROV. SASKATCHEWAN : PROVINCE
Line 13:SRVC. ANY LOGGING COMPANY INC. : SERVICE COMPANY
Line 14:SON . 142085 : SERVICE ORDER
Line 15:DATE. 13-DEC-86 : LOG DATE
Line 16:UWI . : UNIQUE WELL ID
Line 17:~Curves ----------------------------------------------------
Line 18:DEPT.M : Depth
Line 19:DT .US/M : 1 Sonic Travel Time
Line 20:RHOB.K/M : 2 Density-Bulk Density
Line 21:NPHI.V/V : 3 Porosity -Neutron
Line 22:RX0 .OHMM : 4 Resistivity -Rxo
Line 23:RESS.OHMM : 5 Resistivity -Shallow
Line 24:RESM.OHMM : 6 Resistivity -Medium
Line 25:RESD.OHMM : 7 Resistivity -Deep
Line 26:SP .MV : 8 Spon. Potential
Line 27:GR .GAPI : 9 Gamma Ray
Line 28:CALI.MM : 10 Caliper
Line 29:DRHO.K/M3 : 11 Delta-Rho
Line 30:EATT.DBM : 12 EPT Attenuation
Line 31:TPL .NS/M : 13 TP -EPT
Line 32:PEF . : 14 PhotoElectric Factor
Line 33:FFI .V/V : 15 Porosity -NML FFI
Line 34:DCAL.MM : 16 Caliper-Differential
Line 35:RHGF.K/M3 : 17 Density-Formation
Line 36:RHGA.K/M3 : 18 Density-Apparent
Line 37:SPBL.MV : 19 Baselined SP
Line 38:GRC .GAPI : 20 Gamma Ray BHC
Line 39:PHIA.V/V : 21 Porosity -Apparent
Line 40:PHID.V/V : 22 Porosity -Density
Line 41:PHIE.V/V : 23 Porosity -Effective
Line 42:PHIN.V/V : 24 Porosity -Neut BHC
Line 43:PHIC.V/V : 25 Porosity -Total HCC
Line 44:R0 .OHMM : 26 Ro
Line 45:RWA .OHMM : 27 Rfa
Line 46:SW . : 28 Sw -Effective
Line 47:MSI . : 29 Sh Idx -Min
Line 48:BVW . : 30 BVW
Line 49:FGAS. : 31 Flag -Gas Index
Line 50:PIDX. : 32 Prod Idx
Line 51:FBH . : 33 Flag -Bad Hole
Line 52:FHCC. : 34 Flag -HC Correction
Line 53:LSWB. : 35 Flag -Limit SWB
Line 54:~Params ----------------------------------------------------
Line 55:~Other -----------------------------------------------------
Line 56:~ASCII -----------------------------------------------------
Line 57: 910.00000 -999.25 2692.70750 0.31400 19.40860 19.40860 13.17090
Line 58:12.26810 -1.50100 96.53060 204.71770 30.58220 -999.25 -999.25
Line 59:3.25150 -999.25 4.71770 3025.02640 3025.02640 -1.50100 93.13780
Line 60:0.16410 0.01010 0.16410 0.31400 0.16410 11.13970 0.33040
Line 61:0.95290 0.00000 0.15640 0.00000 11.13970 0.00000 0.00000
Line 62:0.00000
Line 63: 909.87500 -999.25 2712.64600 0.28860 23.39870 23.39870 13.61290
Line 64:12.47440 -1.47200 90.28030 203.10930 18.75660 -999.25 -999.25
Line 65:3.70580 -999.25 3.10930 3004.60500 3004.60500 -1.47200 86.90780
Line 66:0.14560 -0.00150 0.14560 0.28860 0.14560 14.14280 0.26460
Line 67:1.00000 0.00000 0.14560 0.00000 14.14280 0.00000 0.00000
Line 68:0.00000
Line 69: 909.75000 -999.25 2692.81370 0.27300 22.59090 22.59090 13.68210
Line 70:12.61460 -1.48040 89.84920 201.92870 3.15510 -999.25 -999.25
Line 71:4.31240 -999.25 1.92870 2976.44510 2976.44510 -1.48040 86.34650
Line 72:0.14350 0.01010 0.14350 0.27300 0.14350 14.56740 0.25980
Line 73:1.00000 0.00000 0.14350 0.00000 14.56740 0.00000 0.00000
Line 74:0.00000
Line 75: 909.62500 -999.25 2644.36500 0.27650 18.48310 18.48310 13.41590
Line 76:12.69000 -1.50100 93.39990 201.58260 -6.58610 -999.25 -999.25
Line 77:4.38220 -999.25 1.58260 2955.35280 2955.35280 -1.50100 89.71420
Line 78:0.15900 0.03840 0.15900 0.27650 0.15900 11.86000 0.32100
Line 79:0.96670 0.00000 0.15380 0.00000 11.86000 0.00000 0.00000
Line 80:0.00000
Line 81: 909.50000 -999.25 2586.28220 0.29960 13.91870 13.91870 12.91950
Line 82:12.70160 -1.49160 98.12140 201.71260 -4.55740 -999.25 -999.25
Line 83:3.59670 -999.25 1.71260 2953.59400 2953.59400 -1.49160 94.26700
Line 84:0.18800 0.07230 0.18800 0.29960 0.18800 8.48630 0.44900
Line 85:0.81740 0.00000 0.15370 0.00000 8.48630 0.00000 0.00000
Line 86:0.00000
Write un-wrapped version:
In [11]:
l.version["WRAP"].value = "NO"
print l.version["WRAP"]
print
s = lasio.las.StringIO()
l.write(s, version=2, fmt="%.5f")
s.seek(0)
print2(s.read())
HeaderItem(mnemonic='WRAP', unit='', value='NO', descr='Multiple lines per depth step')
Line 0:~Version ---------------------------------------------------
Line 1:VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
Line 2:WRAP. NO : Multiple lines per depth step
Line 3:~Well ------------------------------------------------------
Line 4:STRT.M 910.0 :
Line 5:STOP.M 909.5 :
Line 6:STEP.M -0.125 :
Line 7:NULL. -999.25 : Null value
Line 8:COMP. ANY OIL COMPANY INC. : COMPANY
Line 9:WELL. ANY ET AL XX-XX-XX-XX : WELL
Line 10:FLD . WILDCAT : FIELD
Line 11:LOC . XX-XX-XX-XXW3M : LOCATION
Line 12:PROV. SASKATCHEWAN : PROVINCE
Line 13:SRVC. ANY LOGGING COMPANY INC. : SERVICE COMPANY
Line 14:SON . 142085 : SERVICE ORDER
Line 15:DATE. 13-DEC-86 : LOG DATE
Line 16:UWI . : UNIQUE WELL ID
Line 17:~Curves ----------------------------------------------------
Line 18:DEPT.M : Depth
Line 19:DT .US/M : 1 Sonic Travel Time
Line 20:RHOB.K/M : 2 Density-Bulk Density
Line 21:NPHI.V/V : 3 Porosity -Neutron
Line 22:RX0 .OHMM : 4 Resistivity -Rxo
Line 23:RESS.OHMM : 5 Resistivity -Shallow
Line 24:RESM.OHMM : 6 Resistivity -Medium
Line 25:RESD.OHMM : 7 Resistivity -Deep
Line 26:SP .MV : 8 Spon. Potential
Line 27:GR .GAPI : 9 Gamma Ray
Line 28:CALI.MM : 10 Caliper
Line 29:DRHO.K/M3 : 11 Delta-Rho
Line 30:EATT.DBM : 12 EPT Attenuation
Line 31:TPL .NS/M : 13 TP -EPT
Line 32:PEF . : 14 PhotoElectric Factor
Line 33:FFI .V/V : 15 Porosity -NML FFI
Line 34:DCAL.MM : 16 Caliper-Differential
Line 35:RHGF.K/M3 : 17 Density-Formation
Line 36:RHGA.K/M3 : 18 Density-Apparent
Line 37:SPBL.MV : 19 Baselined SP
Line 38:GRC .GAPI : 20 Gamma Ray BHC
Line 39:PHIA.V/V : 21 Porosity -Apparent
Line 40:PHID.V/V : 22 Porosity -Density
Line 41:PHIE.V/V : 23 Porosity -Effective
Line 42:PHIN.V/V : 24 Porosity -Neut BHC
Line 43:PHIC.V/V : 25 Porosity -Total HCC
Line 44:R0 .OHMM : 26 Ro
Line 45:RWA .OHMM : 27 Rfa
Line 46:SW . : 28 Sw -Effective
Line 47:MSI . : 29 Sh Idx -Min
Line 48:BVW . : 30 BVW
Line 49:FGAS. : 31 Flag -Gas Index
Line 50:PIDX. : 32 Prod Idx
Line 51:FBH . : 33 Flag -Bad Hole
Line 52:FHCC. : 34 Flag -HC Correction
Line 53:LSWB. : 35 Flag -Limit SWB
Line 54:~Params ----------------------------------------------------
Line 55:~Other -----------------------------------------------------
Line 56:~ASCII -----------------------------------------------------
Line 57: 910.00000 -999.25 2692.70750 0.31400 19.40860 19.40860 13.17090 12.26810 -1.50100 96.53060 204.71770 30.58220 -999.25 -999.25 3.25150 -999.25 4.71770 3025.02640 3025.02640 -1.50100 93.13780 0.16410 0.01010 0.16410 0.31400 0.16410 11.13970 0.33040 0.95290 0.00000 0.15640 0.00000 11.13970 0.00000 0.00000 0.00000
Line 58: 909.87500 -999.25 2712.64600 0.28860 23.39870 23.39870 13.61290 12.47440 -1.47200 90.28030 203.10930 18.75660 -999.25 -999.25 3.70580 -999.25 3.10930 3004.60500 3004.60500 -1.47200 86.90780 0.14560 -0.00150 0.14560 0.28860 0.14560 14.14280 0.26460 1.00000 0.00000 0.14560 0.00000 14.14280 0.00000 0.00000 0.00000
Line 59: 909.75000 -999.25 2692.81370 0.27300 22.59090 22.59090 13.68210 12.61460 -1.48040 89.84920 201.92870 3.15510 -999.25 -999.25 4.31240 -999.25 1.92870 2976.44510 2976.44510 -1.48040 86.34650 0.14350 0.01010 0.14350 0.27300 0.14350 14.56740 0.25980 1.00000 0.00000 0.14350 0.00000 14.56740 0.00000 0.00000 0.00000
Line 60: 909.62500 -999.25 2644.36500 0.27650 18.48310 18.48310 13.41590 12.69000 -1.50100 93.39990 201.58260 -6.58610 -999.25 -999.25 4.38220 -999.25 1.58260 2955.35280 2955.35280 -1.50100 89.71420 0.15900 0.03840 0.15900 0.27650 0.15900 11.86000 0.32100 0.96670 0.00000 0.15380 0.00000 11.86000 0.00000 0.00000 0.00000
Line 61: 909.50000 -999.25 2586.28220 0.29960 13.91870 13.91870 12.91950 12.70160 -1.49160 98.12140 201.71260 -4.55740 -999.25 -999.25 3.59670 -999.25 1.71260 2953.59400 2953.59400 -1.49160 94.26700 0.18800 0.07230 0.18800 0.29960 0.18800 8.48630 0.44900 0.81740 0.00000 0.15370 0.00000 8.48630 0.00000 0.00000 0.00000
In [ ]:
Content source: Kramer477/lasio
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