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test_write.py
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test_write.py
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import os, sys; sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import pytest
from lasio import read
from lasio.excel import ExcelConverter
from lasio.reader import StringIO
test_dir = os.path.dirname(__file__)
egfn = lambda fn: os.path.join(os.path.dirname(__file__), "examples", fn)
def test_write_sect_widths_12():
l = read(egfn("sample_write_sect_widths_12.las"))
s = StringIO()
l.write(s, version=1.2)
s.seek(0)
assert s.read() == '''~Version ---------------------------------------------------
VERS. 1.2 : CWLS LOG ASCII STANDARD - VERSION 1.2
WRAP. NO : ONE LINE PER DEPTH STEP
~Well ------------------------------------------------------
STRT .M 1670.0 :
STOP .M 1669.75 :
STEP .M -0.125 :
NULL . -999.25 :
COMPANY. COMPANY : # ANY OIL COMPANY LTD.
WELL . WELL : ANY ET AL OIL WELL #12
FLD . FIELD : EDAM
LOC . LOCATION : A9-16-49-20W3M
PROV . PROVINCE : SASKATCHEWAN
SRVC . SERVICE : The company that did this logging has a very very long name....
DATE . LOG DATE : 25-DEC-1988
UWI . WELL ID : 100091604920W300
~Curves ----------------------------------------------------
D.M : 1 DEPTH
A.US/M : 2 SONIC TRANSIT TIME
B.K/M3 : 3 BULK DENSITY
C.V/V : 4 NEUTRON POROSITY
. :
. :
. :
. :
~Params ----------------------------------------------------
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. 0.0 : NEUTRON MATRIX(0=LIME,1=SAND,2=DOLO)
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : DRILL FLUID DENSITY
~Other -----------------------------------------------------
Note: The logging tools became stuck at 625 meters causing the data
between 625 meters and 615 meters to be invalid.
~ASCII -----------------------------------------------------
1670 123.45 2550 0.45 123.45 123.45 110.2 105.6
1669.9 123.45 2550 0.45 123.45 123.45 110.2 105.6
1669.8 123.45 2550 0.45 123.45 123.45 110.2 105.6
'''
def test_write_to_filename():
las = read(egfn("sample_write_sect_widths_12.las"))
las.write('test.las', version=1.2)
assert os.path.isfile('test.las')
os.remove('test.las')
def test_write_sect_widths_12_curves():
l = read(egfn("sample_write_sect_widths_12.las"))
s = StringIO()
l.write(s, version=1.2)
for start in ("D.M ", "A.US/M ", "B.K/M3 ", "C.V/V "):
s.seek(0)
assert "\n" + start in s.read()
def test_write_sect_widths_20_narrow():
l = read(egfn("sample_write_sect_widths_20_narrow.las"))
s = StringIO()
l.write(s, version=2)
s.seek(0)
assert s.read() == """~Version ---------------------------------------------------
VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
WRAP. NO : ONE LINE PER DEPTH STEP
~Well ------------------------------------------------------
STRT.M 1670.0 : START DEPTH
STOP.M 1669.75 : STOP DEPTH
STEP.M -0.125 : STEP
NULL. -999.25 : NULL VALUE
COMP. ANY : COMPANY
WELL. AAAAA_2 : WELL
FLD . WILDCAT : FIELD
LOC . 12 : LOCATION
PROV. ALBERTA : PROVINCE
SRVC. LOGGING : SERVICE COMPANY ARE YOU KIDDING THIS IS A REALLY REALLY LONG STRING
DATE. 13-DEC-86 : LOG DATE
UWI . 10012340 : UNIQUE WELL ID
~Curves ----------------------------------------------------
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 SHALLOW RESISTIVITY
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
~Params ----------------------------------------------------
MUD . GEL CHEM : MUD TYPE
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. SAND : NEUTRON MATRIX
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : 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.
~ASCII -----------------------------------------------------
1670 123.45 2550 0.45 123.45 123.45 110.2 105.6
1669.9 123.45 2550 0.45 123.45 123.45 110.2 105.6
1669.8 123.45 2550 0.45 123.45 123.45 110.2 105.6
"""
def test_write_sect_widths_20_wide():
l = read(egfn("sample_write_sect_widths_20_wide.las"))
s = StringIO()
l.write(s, version=2)
s.seek(0)
assert s.read() == """~Version ---------------------------------------------------
VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
WRAP. NO : ONE LINE PER DEPTH STEP
~Well ------------------------------------------------------
STRT.M 1670.0 : START DEPTH
STOP.M 1669.75 : STOP DEPTH
STEP.M -0.125 : STEP
NULL. -999.25 : NULL VALUE
COMP. ANY OIL COMPANY INC. : COMPANY
WELL. AAAAA_2 : WELL
FLD . WILDCAT : FIELD
LOC . 12-34-12-34W5M : LOCATION
PROV. ALBERTA : PROVINCE
SRVC. The company that did this logging has a very very long name.... : SERVICE COMPANY
DATE. 13-DEC-86 : LOG DATE
UWI . 100123401234W500 : UNIQUE WELL ID
~Curves ----------------------------------------------------
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 SHALLOW RESISTIVITY
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
~Params ----------------------------------------------------
MUD . GEL CHEM : MUD TYPE
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. SAND : NEUTRON MATRIX
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : 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.
~ASCII -----------------------------------------------------
1670 123.45 2550 0.45 123.45 123.45 110.2 105.6
1669.9 123.45 2550 0.45 123.45 123.45 110.2 105.6
1669.8 123.45 2550 0.45 123.45 123.45 110.2 105.6
"""
def test_write_sample_empty_params():
l = read(egfn("sample_write_empty_params.las"))
l.write(StringIO(), version=2)
def test_df_curve_addition_on_export():
l = read(egfn("sample.las"))
df = l.df()
df["ILD_COND"] = 1000 / df.ILD
l.set_data_from_df(df, truncate=False)
s = StringIO()
l.write(s, version=2, wrap=False, fmt="%.5f")
s.seek(0)
assert s.read() == """~Version ---------------------------------------------------
VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
WRAP. NO : One line per depth step
~Well ------------------------------------------------------
STRT.M 1670.0 :
STOP.M 1669.75 :
STEP.M -0.125 :
NULL. -999.25 :
COMP. # ANY OIL COMPANY LTD. : COMPANY
WELL. ANY ET AL OIL WELL #12 : WELL
FLD . EDAM : FIELD
LOC . A9-16-49-20W3M : LOCATION
PROV. SASKATCHEWAN : PROVINCE
SRVC. ANY LOGGING COMPANY LTD. : SERVICE COMPANY
DATE. 25-DEC-1988 : LOG DATE
UWI . 100091604920W300 : UNIQUE WELL ID
~Curves ----------------------------------------------------
DEPT .M : 1 DEPTH
DT .US/M : 2 SONIC TRANSIT TIME
RHOB .K/M3 : 3 BULK DENSITY
NPHI .V/V : 4 NEUTRON POROSITY
SFLU .OHMM : 5 RXO RESISTIVITY
SFLA .OHMM : 6 SHALLOW RESISTIVITY
ILM .OHMM : 7 MEDIUM RESISTIVITY
ILD .OHMM : 8 DEEP RESISTIVITY
ILD_COND. :
~Params ----------------------------------------------------
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. 0.0 : NEUTRON MATRIX(0=LIME,1=SAND,2=DOLO)
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : DRILL FLUID DENSITY
~Other -----------------------------------------------------
Note: The logging tools became stuck at 625 meters causing the data
between 625 meters and 615 meters to be invalid.
~ASCII -----------------------------------------------------
1670.00000 123.45000 2550.00000 0.45000 123.45000 123.45000 110.20000 105.60000 9.46970
1669.87500 123.45000 2550.00000 0.45000 123.45000 123.45000 110.20000 105.60000 9.46970
1669.75000 123.45000 2550.00000 0.45000 123.45000 123.45000 110.20000 105.60000 9.46970
"""
def test_write_xlsx():
l = read(egfn("sample.las"))
e = ExcelConverter(l)
xlsxfn = "test.xlsx"
e.write(xlsxfn)
os.remove(xlsxfn)
def test_export_xlsx():
l = read(egfn("sample.las"))
xlsxfn = "test2.xlsx"
l.to_excel(xlsxfn)
os.remove(xlsxfn)
def test_multi_curve_mnemonics_rewrite():
l = read(egfn('sample_issue105_a.las'))
s = StringIO()
l.write(s, version=2, wrap=False, fmt="%.5f")
s.seek(0)
assert s.read() == '''~Version ---------------------------------------------------
VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
WRAP. NO : One line per depth step
~Well ------------------------------------------------------
STRT.M 1670.0 :
STOP.M 1669.75 :
STEP.M -0.125 :
NULL. -999.25 :
COMP. # ANY OIL COMPANY LTD. : COMPANY
WELL. ANY ET AL OIL WELL #12 : WELL
FLD . EDAM : FIELD
LOC . A9-16-49-20W3M : LOCATION
PROV. SASKATCHEWAN : PROVINCE
SRVC. ANY LOGGING COMPANY LTD. : SERVICE COMPANY
DATE. 25-DEC-1988 : LOG DATE
UWI . 100091604920W300 : UNIQUE WELL ID
~Curves ----------------------------------------------------
DEPT.M : 1 DEPTH
RHO .ohmm : curve 1,2,3
RHO .ohmm : curve 10,20,30
RHO .ohmm : curve 100,200,300
PHI . : porosity
~Params ----------------------------------------------------
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. 0.0 : NEUTRON MATRIX(0=LIME,1=SAND,2=DOLO)
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : DRILL FLUID DENSITY
~Other -----------------------------------------------------
Note: The logging tools became stuck at 625 meters causing the data
between 625 meters and 615 meters to be invalid.
~ASCII -----------------------------------------------------
1670.00000 1.00000 10.00000 100.00000 0.10000
1669.87500 2.00000 20.00000 200.00000 0.20000
1669.75000 3.00000 30.00000 300.00000 0.30000
'''
def test_multi_curve_missing_mnemonics_rewrite():
l = read(egfn('sample_issue105_b.las'))
s = StringIO()
l.write(s, version=2, wrap=False, fmt="%.5f")
s.seek(0)
assert s.read() == '''~Version ---------------------------------------------------
VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
WRAP. NO : One line per depth step
~Well ------------------------------------------------------
STRT.M 1670.0 :
STOP.M 1669.75 :
STEP.M -0.125 :
NULL. -999.25 :
COMP. # ANY OIL COMPANY LTD. : COMPANY
WELL. ANY ET AL OIL WELL #12 : WELL
FLD . EDAM : FIELD
LOC . A9-16-49-20W3M : LOCATION
PROV. SASKATCHEWAN : PROVINCE
SRVC. ANY LOGGING COMPANY LTD. : SERVICE COMPANY
DATE. 25-DEC-1988 : LOG DATE
UWI . 100091604920W300 : UNIQUE WELL ID
~Curves ----------------------------------------------------
DEPT.M : 1 DEPTH
.ohmm : curve 1,2,3
.ohmm : curve 10,20,30
.ohmm : curve 100,200,300
PHI . : porosity
~Params ----------------------------------------------------
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. 0.0 : NEUTRON MATRIX(0=LIME,1=SAND,2=DOLO)
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : DRILL FLUID DENSITY
~Other -----------------------------------------------------
Note: The logging tools became stuck at 625 meters causing the data
between 625 meters and 615 meters to be invalid.
~ASCII -----------------------------------------------------
1670.00000 1.00000 10.00000 100.00000 0.10000
1669.87500 2.00000 20.00000 200.00000 0.20000
1669.75000 3.00000 30.00000 300.00000 0.30000
'''
def test_write_units():
l = read(egfn("sample.las"))
l.curves[0].unit = 'FT'
s = StringIO()
l.write(s, version=2, wrap=False, fmt="%.5f")
s.seek(0)
assert s.read() == '''~Version ---------------------------------------------------
VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0
WRAP. NO : One line per depth step
~Well ------------------------------------------------------
STRT.FT 1670.0 :
STOP.FT 1669.75 :
STEP.FT -0.125 :
NULL. -999.25 :
COMP. # ANY OIL COMPANY LTD. : COMPANY
WELL. ANY ET AL OIL WELL #12 : WELL
FLD . EDAM : FIELD
LOC . A9-16-49-20W3M : LOCATION
PROV. SASKATCHEWAN : PROVINCE
SRVC. ANY LOGGING COMPANY LTD. : SERVICE COMPANY
DATE. 25-DEC-1988 : LOG DATE
UWI . 100091604920W300 : UNIQUE WELL ID
~Curves ----------------------------------------------------
DEPT.FT : 1 DEPTH
DT .US/M : 2 SONIC TRANSIT TIME
RHOB.K/M3 : 3 BULK DENSITY
NPHI.V/V : 4 NEUTRON POROSITY
SFLU.OHMM : 5 RXO RESISTIVITY
SFLA.OHMM : 6 SHALLOW RESISTIVITY
ILM .OHMM : 7 MEDIUM RESISTIVITY
ILD .OHMM : 8 DEEP RESISTIVITY
~Params ----------------------------------------------------
BHT .DEGC 35.5 : BOTTOM HOLE TEMPERATURE
BS .MM 200.0 : BIT SIZE
FD .K/M3 1000.0 : FLUID DENSITY
MATR. 0.0 : NEUTRON MATRIX(0=LIME,1=SAND,2=DOLO)
MDEN. 2710.0 : LOGGING MATRIX DENSITY
RMF .OHMM 0.216 : MUD FILTRATE RESISTIVITY
DFD .K/M3 1525.0 : DRILL FLUID DENSITY
~Other -----------------------------------------------------
Note: The logging tools became stuck at 625 meters causing the data
between 625 meters and 615 meters to be invalid.
~ASCII -----------------------------------------------------
1670.00000 123.45000 2550.00000 0.45000 123.45000 123.45000 110.20000 105.60000
1669.87500 123.45000 2550.00000 0.45000 123.45000 123.45000 110.20000 105.60000
1669.75000 123.45000 2550.00000 0.45000 123.45000 123.45000 110.20000 105.60000
'''