LAS v2.1

LAS v1.2 v2.0 v2.1. LAS Committee Canadian Well Logging Society ( LAS ).

LAS v2.1 (ASCII) .

LAS v2.1 . , . ~. , .

. ~O ~A.

, # .

, :
MNEM.UNITS DATA :DESCRIPTION OF MNEMONIC

MNEM . , , . .

UNITS ( ). . . . ( ).

DATA , .

DESCRIPTION , . . (256 ).

LAS v2.1 ~. :

~V ;

~W , ;

~C , ;

~P ( );

~D , , .. ( );

~O , .. ( )

~A () (ASCII) .

 

.

~V (Version Information)

.

, LAS .

:

"VERS. 2.1 : CWLS LOG ASCII STANDARD - VERSION 2.1"

LAS.

"WRAP. YES : Multiple lines per depth step"

"WRAP. NO : One line per depth step"

, (~A).

(WRAP. NO : One line per depth step),

256 ( ).

(WRAP. YES : Multiple lines per depth step),

, ( ) 80 ( ).

.

~V (Version Information)

#---------------------------------------------------------------

~Version Information Section

VERS. 2.1 : CWLS Log ASCII Standard -VERSION 2.1

WRAP. NO : One line per depth step

#---------------------------------------------------------------

~W (Well Information)

. , . :

"STRT.M nnn.nn : START DEPTH"

. "nnn.nn" . . ".M" , , . , .

"STOP.M nnn.nn : STOP DEPTH"

. "nnn.nn" . . ".M" , , .

"STEP.M nnn.nn : STEP"

. , , . .

"NULL. nnnn.nn : NULL VALUE"

, . -9999 -999.25.

"COMP. aaaaaaaaaaaaaaaaaaaaa : COMPANY"

.

"WELL. aaaaaaaaaaaaaaaaaaaaa : WELL"

.

"FLD . aaaaaaaaaaaaaaaaaaaaa : FIELD"

.

"LOC . aaaaaaaaaaaaaaaaaaaaa : LOCATION"

() .

 

"PROV. aaaaaaaaaaaaaaaaaaaaa : PROVINCE"

. :

       "CNTY. aaaaaaaaaaaaaaaaaaaaa : COUNTY"

       , , , , , , ..( ).

       "STAT. aaaaaaaaaaaaaaaaaaaaa : STATE"

       .

       "CTRY. aaaaaaaaaaaaaaaaaaaaa : COUNTRY"

       .

 

"SRVC. aaaaaaaaaaaaaaaaaaaaa : SERVICE COMPANY"

.

"DATE. aaaaaaaaaaaaaaaaaaaaa : DATE"

.

"UWI . aaaaaaaaaaaaaaaaaaaaa : UNIQUE WELL ID"

. :

"API . aaaaaaaaaaaaaaaaaaaaa : API NUMBER"

 

. .

~W (Well Information Section in LAS version 2.1):

#---------------------------------------------------------------
~Well Information Section

#MNEM.UNIT VALUE/NAME DESCRIPTION

#-------- -------------- ---------------------

STRT.M 635.0000 :START DEPTH

STOP.M 400.0000 :STOP DEPTH

STEP.M -0.125 :STEP

NULL. -999.25 :NULL VALUE

COMP. ANY OIL COMPANY INC. :COMPANY

WELL. ANY ET AL 12-34-12-34 :WELL

FLD . WILDCAT :FIELD

LOC . 12-34-12-34W5M :LOCATION

PROV. ALBERTA :PROVINCE

SRVC. ANY LOGGING COMPANY INC. :SERVICE COMPANY

DATE. 13-DEC-86 :LOG DATE

UWI . 100123401234W500 :UNIQUE WELL ID

#---------------------------------------------------------------

 

~C (Curve Information)

.

(~A)

. , - .

API ( ).

, (~A)

( , (~A)) .

. .

(~C) Curve Information Section API.

#---------------------------------------------------------------

~Curve Information Section

#MNEM.UNIT API CODE Curve Description

#---------- ----------- ------------------------------

DEPTH.M : 1 DEPTH

RHOB .K/M3 45 350 02 00 : 2 BULK DENSITY

NPHI .VOL/VO 42 890 00 00 : 3 NEUTRON POROSITY - SANDSTONE

MSFL .OHMM 20 270 01 00 : 4 Rxo RESISTIVITY

SFLA .OHMM 07 222 01 00 : 5 SHALLOW RESISTIVITY

ILM .OHMM 07 120 44 00 : 6 MEDIUM RESISTIVITY

ILD .OHMM 07 120 46 00 : 7 DEEP RESISTIVITY

SP .MV 07 010 01 00 : 8 SPONTANEOUS POTENTIAL

GR .GAPI 45 310 01 00 : 9 GAMMA RAY

CALI .MM 45 280 01 00 : 10 CALIPER

DRHO .K/M3 45 356 01 00 : 11 DENSITY CORRECTION

#---------------------------------------------------------------

 

~P (Parameter Information)

. . , .

, .

.

-, , , -.

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( -), , .

- , , , .

~P (Parameter Information)

#---------------------------------------------------------------

~Parameter Information Section

#MNEM.UNIT Value Description

#----------------- ------------ ----------------------

EKB .M 566.9700 : Elevation Kelly Bushing

EGL .M 563.6799 : Elevation Ground Level

NRUN . 1.0000 : Number of Runs

#--RUN 1---------- ------------ --The following are for Run 1-

RUN . 1.0000 : Run 1

MUD . GEL CHEM : Mud type

BHT .DEG 114.0000 : Bottom Hole Temperature

BS .MM 222.0000 : Bit Size

FD .K/M3 999.9999 : Fluid Density

MDEN .K/M3 2650.0000 : Logging Matrix Density

MATR . SAND : Neutron Matrix

DFD .K/M3 1200.0000 : Mud Weight

DFV .S 50.0000 : Mud Viscosity

DFL .C3 8.0000 : Mud Fluid Loss

DFPH . 10.0000 : Mud pH

RMFS .OHMM 2.8200 : Mud Filtrate Resistivity

#---------------------------------------------------------------

 

~D (Downhole Information)

. , . , , , ..

~D "Downhole Information Section"

#---------------------------------------------------------------
~Downhole Information Section

TOP .M 662.50 : Belly River

#- DST #1 ----------------------------------------

DST . 1.00 :

DSTT.M 663.00 :

DSTB.M 675.00 :

DSTD.TXT GTS 79.3 m3/day : 3/

#- PERF #1 ---------------------------------------

PERF. 1.00 :

PRFT.M 664.00 :

PRFB.M 666.00 :

#- PERF #2 ---------------------------------------

PERF. 2.00 :

PRFT.M 668.00 :

PRFB.M 674.00 :

#- CORE #1 ---------------------------------------

CORE. 1.00 :

CORT.M 660.50 :

CORB.M 670.60 :

CORD.TXT Recovered 9.8m :

#---------------------------------------------------------------

 

~O (Other Information)

. .

~O "Other Information Section"

----------------------------------------------------------------

~Other Information Section

QC Data's Database.

.

----------------------------------------------------------------

 

~A (ASCII LOG DATA)

.

.

512 ( )

"WRAP. NO : One line per depth step".

:

"WRAP. YES : Multiple lines per depth step"

, 512

.

, 80- ( ).

, , .

. , , .

 

LAS

#1 - LAS

~VERSION INFORMATION

VERS. 2.0 : CWLS LOG ASCII STANDARD -VERSION 2.0

WRAP. NO : ONE LINE PER DEPTH STEP

~WELL INFORMATION

#MNEM.UNIT DATA DESCRIPTION OF MNEMONIC

#----- ----- ---------- --------------------------

STRT .M 1670.0000 :START DEPTH

STOP .M 1669.7500 :STOP DEPTH

STEP .M -0.1250 :STEP

NULL . -999.25 :NULL VALUE

COMP . ANY OIL COMPANY INC. :COMPANY

WELL . ANY ET AL 12-34-12-34 :WELL

FLD . WILDCAT :FIELD

LOC . 12-34-12-34W5 :LOCATION

PROV . ALBERTA :PROVINCE

SRVC . ANY LOGGING COMPANY INC. :SERVICE COMPANY

DATE . 13-DEC-86 :LOG DATE

UWI . 100123401234W500 :UNIQUE WELL ID

~CURVE INFORMATION

#MNEM.UNIT API CODES CURVE DESCRIPTION

#----------- --------- -------------------------

DEPT .M : 1 DEPTH

DT .US/M 60 520 32 00 : 2 SONIC TRANSIT TIME

RHOB .K/M3 45 350 01 00 : 3 BULK DENSITY

NPHI .V/V 42 890 00 00 : 4 NEUTRON POROSITY

SFLU .OHMM 07 220 04 00 : 5 RXORESISTIVITY

SFLA .OHMM 07 222 01 00 : 6 SHALLOW RESISTIVITY

ILM .OHMM 07 120 44 00 : 7 MEDIUM RESISTIVITY

ILD .OHMM 07 120 46 00 : 8 DEEP RESISTIVITY

~PARAMETER INFORMATION

#MNEM.UNIT VALUE DESCRIPTION

#--------- --------- ----------------------

MUD . GEL CHEM : MUD TYPE

BHT .DEGC 35.5000 : BOTTOM HOLE TEMPERATURE

BS .MM 200.0000 : BIT SIZE

FD .K/M3 1000.0000 : FLUID DENSITY

MATR . SAND : NEUTRON MATRIX

MDEN . 2710.0000 : LOGGING MATRIX DENSITY

RMF .OHMM 0.2160 : MUD FILTRATE RESISTIVITY

DFD .K/M3 1525.0000 : DRILL FLUID DENSITY

~OTHER

Note: The logging tools became stuck at 625 metres

causing the data between 625 metres and 615 metres to be

invalid.

~A DEPTH DT RHOB NPHI SFLU SFLA ILM ILD

1670.000 123.450 2550.000 0.450 123.450 123.450 110.200 105.600

1669.875 123.450 2550.000 0.450 123.450 123.450 110.200 105.600

1669.750 123.450 2550.000 0.450 123.450 123.450 110.200 105.600

#2 - LAS ,

~V

VERS . 2.0 : CWLS log ASCII Standard -VERSION 2.0

WRAP. NO : One line per depth step

~W

STRT.M 635.0000 :START DEPTH

STOP.M 634.5000 :STOP DEPTH

STEP.M -0.1250 :STEP

NULL. -999.25 :NULL VALUE

COMP. ANY OIL COMPANY INC. :COMPANY

WELL. ANY ET AL 12-34-12-34 :WELL

FLD . WILDCAT :FIELD

LOC . 12-34-12-34W5 :LOCATION

PROV. ALBERTA :PROVINCE

SRVC. ANY LOGGING COMPANY INC. :SERVICE COMPANY

DATE . 13-DEC-86 :LOG DATE

UWI . 100123401234W500 :UNIQUE WELL ID

~C

DEPT .M : DEPTH

RHOB .K/M3 : BULK DENSITY

NPHI .VOL/VOL : NEUTRON POROSITY -SANDSTONE

MSFL .OHMM : Rxo RESISTIVITY

SFLA .OHMM : SHALLOW RESISTIVITY

ILM .OHMM : MEDIUM RESISTIVITY

ILD .OHMM : DEEP RESISTIVITY

SP .MV : SPONTANEOUS POTENTIAL

~A

635.0000 2256.0000 0.4033 22.0781 22.0781 20.3438 3.6660 123.4

634.8750 2256.0000 0.4033 22.0781 22.0781 20.3438 3.6660 123.4

634.7500 2256.0000 0.4033 22.0781 22.0781 20.3438 3.6660 123.4

634.6250 2256.0000 0.4033 22.0781 22.0781 20.3438 3.6660 123.4

634.5000 2256.0000 0.4033 22.0781 22.0781 20.3438 3.6660 123.4

#3 - LAS

~VERSION INFORMATION

VERS . 2.0 : CWLS log ASCII Standard -VERSION 2.0

WRAP. YES : Multiple lines per depth step

~WELL INFORMATION

#MNEM.UNIT DATA DESCRIPTION OF MNEMONIC

#----- ----- ------- ---------------------------

STRT .M 910.0000 :START DEPTH

STOP .M 909.5000 :STOP DEPTH

STEP .M -0.1250 :STEP

NULL . -999.25 :NULL VALUE

COMP . ANY OIL COMPANY INC. :COMPANY

WELL . ANY ET AL 12-34-12-34 :WELL

FLD . WILDCAT :FIELD

LOC . 12-34-12-34W5 :LOCATION

PROV . ALBERTA :PROVINCE

SRVC . ANY LOGGING COMPANY INC. :SERVICE COMPANY

SON . 142085 :SERVICE ORDER NUMBER

DATE . 13-DEC-86 :LOG DATE

UWI . 100123401234W500 :UNIQUE WELL ID

~CURVE INFORMATION

#MNEM.UNIT CURVE DESCRIPTION

#--------- --------------------

DEPT .M : Depth

DT .US/M : 1 Sonic Travel Time

RHOB .K/M : 2 Density-Bulk Density

NPHI .V/V : 3 Porosity -Neutron

RX0 .OHMM : 4 Resistivity -Rxo

RESS .OHMM : 5 Resistivity -Shallow

RESM .OHMM : 6 Resistivity -Medium

RESD .OHMM : 7 Resistivity -Deep

SP .MV : 8 Spon.Potential

GR .GAPI : 9 Gamma Ray

CALI .MM : 10 Caliper

DRHO .K/M3 : 11 Delta-Rho

EATT .DBM : 12 EPT Attenuation

TPL .NS/M : 13 TP -EPT

PEF . : 14 Photoelectric Factor

FFI .V/V : 15 Porosity -NML FFI

DCAL .MM : 16 Caliper-Differential

RHGF .K/M3 : 17 Density-Formation

RHGA .K/M3 : 18 Density-Apparent

SPBL .MV : 19 Baselined SP

GRC .GAPI : 20 Gamma Ray BHC

PHIA .V/V : 21 Porosity -Apparent

PHID .V/V : 22 Porosity -Density

PHIE .V/V : 23 Porosity -Effective

PHIN .V/V : 24 Porosity -Neut BHC

PHIC .V/V : 25 Porosity -Total HCC

R0 .OHMM : 26 Ro

RWA .OHMM : 27 Rfa

SW . : 28 Sw -Effective

MSI . : 29 Sh Idx -Min

BVW . : 30 BVW

FGAS . : 31 Flag -Gas Index

PIDX . : 32 Prod Idx

FBH . : 33 Flag -Bad Hole

FHCC . : 34 Flag -HC Correction

LSWB . : 35 Flag -Limit SWB

~A Log data section

910.000000

-999.2500 2692.7075 0.3140 19.4086 19.4086 13.1709 12.2681

-1.5011 96.5306 204.7177 30.5822 -999.2500 -999.2500 3.2515

-999.2500 4.7177 3025.0264 3025.0264 -1.5010 93.1378 0.1641

0.0101 0.1641 0.3140 0.1641 11.1397 0.3304 0.9529

0.0000 0.1564 0.0000 11.1397 0.0000 0.0000 0.0000

909.875000

-999.2500 2712.6460 0.2886 23.3987 23.3987 13.6129 12.4744

-1.4720 90.2803 203.1093 18.7566 -999.2500 -999.2500 3.7058

-999.2500 3.1093 3004.6050 3004.6050 -1.4720 86.9078 0.1456

-0.0015 0.1456 0.2886 0.1456 14.1428 0.2646 1.0000

0.0000 0.1456 0.0000 14.1428 0.0000 0.0000 0.0000

909.750000

-999.2500 2692.8137 0.2730 22.5909 22.5909 13.6821 12.6146

-1.4804 89.8492 201.9287 3.1551 -999.2500 -999.2500 4.3124

-999.2500 1.9287 2976.4451 2976.4451 -1.4804 86.3465 0.1435

0.0101 0.1435 0.2730 0.1435 14.5674 0.2598 1.0000

0.0000 0.1435 0.0000 14.5674 0.0000 0.0000 0.0000

909.625000

-999.2500 2644.3650 0.2765 18.4831 18.4831 13.4159 12.6900

-1.5010 93.3999 201.5826 -6.5861 -999.2500 -999.2500 4.3822

-999.2500 1.5826 2955.3528 2955.3528 -1.5010 89.7142 0.1590

0.0384 0.1590 0.2765 0.1590 11.8600 0.3210 0.9667

0.0000 0.1538 0.0000 11.8600 0.0000 0.0000 0.0000

909.500000

-999.2500 2586.2822 0.2996 13.9187 13.9187 12.9195 12.7016

-1.4916 98.1214 201.7126 -4.5574 -999.2500 -999.2500 3.5967

-999.2500 1.7126 2953.5940 2953.5940 -1.4916 94.2670 0.1880

0.0723 0.1880 0.2996 0.1880 8.4863 0.4490 0.8174

0.0000 0.1537 0.0000 8.4863 0.0000 0.0000 0.0000

# 4 LAS ( )

~VERSION INFORMATION

VERS. 2.0 : CWLS LOG ASCII STANDARD -VERSION 2.0

WRAP. NO : ONE LINE PER TIME STEP

#

~WELL INFORMATION

STRT .S 0.0000 :START TIME

STOP .S 1.5000 :STOP TIME

STEP .S 0.3000 :STEP

NULL . -999.25 :NULL VALUE

COMP . ANY OIL COMPANY INC. :COMPANY

WELL . ANY ET AL 12-34-12-34 :WELL

FLD . WILDCAT :FIELD

LOC . 12-34-12-34W5 :LOCATION

PROV . ALBERTA :PROVINCE

SRVC . ANY LOGGING COMPANY INC. :SERVICE COMPANY

DATE . 13-DEC-86 :LOG DATE

UWI . 100123401234W500 :UNIQUE WELL ID

#

~CURVE INFORMATION

ETIM.S : 1 ELAPSED TIME

BFR1.OHMM : 2 SINGLE PROBE 1 RESISTIVITY

BSG1.PSIG : 3 SINGLE PROBE 1 STRAIN GAUGE PRESSURE

#

~PARAMETER INFORMATION

MRT .DEGC 67.0 : BOTTOM HOLE TEMPERATURE

GDEPT .M 3456.5 : GAUGE DEPTH

DFD .KG/M3 1000.0 : MUD WEIGHT

#

~A

0.0000 0.2125 16564.1445

0.3000 0.2125 16564.1445

0.6000 0.2125 16564.2421

0.9000 0.2125 16564.0434

1.2000 0.2125 16564.0430

1.5000 0.2125 16564.0435