WITSML Unit Type

WITSML Unit of Measure

EDM ID

EDM Label

EDM Type

compressibilityUom

1/psi

93

1/psi

Type 19, fluid compressibility

1/upsi

1/Pa

90

1/Pa

Type 19, fluid compressibility

1/bar

358

1/bar

Type 19, fluid compressibility

1/kPa

91

1/kPa

Type 19, fluid compressibility

1/pPa

densityMeasure

densityUom

kg/m3

51

kg/m³

Type 14, density

10Mg/m3

dAPI

62

deg API

Type 14, density

g/cm3

49

g/cc

Type 14, density

g/dm3

g/galUK

g/galUS

g/L

555

g/L

Type 14, density

g/m3

grain/ft3

grain/galUS

grain/100ft3

kg/dm3

kg/L

58

kg/L

Type 14, density

Mg/m3

lbm/10bbl

lbm/bbl

50

lbm/bbl

Type 14, density

lbm/ft3

52

lbm/ft³

Type 14, density

lbm/galUK

lbm/1000galUK

lbm/galUS

57

ppg

Type 14, density

lbm/1000galUS

463

lbm/1000gal

Type 14, density

lbm/in3

lbm/Mbbl

mg/dm3

mg/galUS

mg/L

61

mg/L

Type 14, density

mg/m3

ug/cm3

dimensionlessUom

Euc

%

154

%

Type 29, dimensionless

cEuc

mEuc

nEuc

uEuc

dynamicViscosityMeasure

dynamicViscosityUom

Pa.s

254

Pa*s

Type 48, viscosity

cP

256

cp

Type 48, viscosity

P

psi.s

dyne.s/cm2

kgf.s/m2

lbf.s/ft2

lbf.s/in2

mPa.s

259

mPa*s

Type 48, viscosity

N.s/m2

forcePerVolumeUom

N/m3

atm/100m

atm/m

bar/km

bar/m

174

bar/m

Type 33, pressure gradient

GPa/cm

kPa/100m

381

kPa/100m

Type 70, frictional loss

kPa/m

168

kPa/m

Type 33, pressure gradient

lbf/ft3

lbf/galUS

MPa/m

psi/ft

167

psi/ft

Type 33, pressure gradient

psi/100ft

psi/kft

54

psi/kft

Type 14, density

psi/m

Pa/m

atm/ft

lengthMeasure

lengthUom

m

121

m

Type 24, length

angstrom

chBnA

chBnB

chCla

chSe

chUS

cm

127

cm

Type 24, length

dm

fathom

fm

ft

122

ft

Type 24, length

ftBnA

ftBnB

ftBr(65)

ftCla

ftGC

ftInd

ftInd(37)

ftInd(62)

ftInd(75)

ftMA

ftSe

ftUS

in

124

in

Type 24, length

in/10

in/16

126

16th"

Type 24, length

in/32

120

32nd"

Type 24, length

in/64

123

64th"

Type 24, length

inUS

124

in

Type 24, length

km

303

km

Type 24, length

lkBnA

lkBnB

lkCla

lkSe

lkUS

mGer

mi

304

mi

Type 24, length

mil

miUS

mm

128

mm

Type 24, length

Mm

nautmi

462

nM

Type 24, length

nm

462

nM

Type 24, length

pm

um

125

µm

Type 24, length

yd

340

yard

Type 24, length

ydBnA

ydBnB

ydCla

ydIm

ydInd

ydInd(37)

ydInd(62)

ydInd(75)

ydSe

massMeasure

massUom

kg

135

kg

Type 25, mass

ag

ct

cwtUK

cwtUS

g

131

gram

Type 25, mass

grain

klbm

132

klbm

Type 25, mass

lbm

136

lbm

Type 25, mass

Mg

mg

oz(av)

oz(troy)

ozm

sack94

315

94lb sacks

Type 25, mass

t

130

ton

Type 25, mass

tonUK

tonUS

130

ug

massPerLengthMeasure

massPerLengthUom

kg/m

139

kg/m

Type 26, mass per distance

klbm/in

lbm/ft

138

lbm/ft

Type 26, mass per distance

Mg/in

kg.m/cm2

357

kg/cm²m

Type 14, density

PercentUom

154

%

Type 29, dimensionless

permeabilityMeasure

permeabilityUom

D

63

darcy

Type 15, effective permeability

mD

65

md

Type 15, effective permeability

powerMeasure

powerUom

W

159

Watt

Type 31, power

ch

CV

ehp

GW

hhp

225

MJ

Type 44, ton-mile

hp

160

hp

Type 31, power

kcal/h

kW

158

kW

Type 31, power

MJ/a

MW

mW

nW

ton of refrig

TW

uW

pressureMeasure

pressureUom

Pa

190

Pa

Type 34, pressure

at

atm

367

atm

Type 34, pressure

bar

186

bar

Type 34, pressure

cmH2O(4degC)

dyne/cm2

GPa

179

GPa

Type 34, pressure

hbar

inH2O(39.2F)

191

inH2O

Type 34, pressure

inH2O(60F)

inHg(32F)

177

in-Hg

Type 34, pressure

inHg(60F)

kgf/cm2

182

kgf/cm²

Type 34, pressure

kgf/mm2

kN/m2

kPa

188

kPa

Type 34, pressure

kpsi

189

ksi

Type 34, pressure

lbf/ft2

lbf/100ft2

187

lbf/100ft²

Type 34, pressure

lbf/in2

mbar

184

mbar

Type 34, pressure

mmHg(0C)

178

mm-Hg

Type 34, pressure

mPa

425

MPa

Type 74, pressure change

MPa

181

MPa

Type 34, pressure

Mpsi

180

Mpsi

Type 34, pressure

N/m2

N/mm2

Pa(g)

pPa

psi

185

psi

Type 34, pressure

psia

psig

370

psig

Type 34, pressure

tonfUS/ft2

tonfUS/in2

torr

ubar

359

E-06/bar

Type 19, fluid compressibility

umHg(0C)

uPa

upsi

362

E-06/psi

Type 19, fluid compressibility

specificHeatCapacityMeasure

specificHeatCapacityUom

J/kg.K

331

joule/gK

Type 63, specific heat capacity

Btu/lbm.degF

333

BTU/lbm°F

Type 63, specific heat capacity

Btu/lbm.degR

cal/g.K

J/g.K

kcal/kg.degC

334

kcal/kg°C

Type 63, specific heat capacity

kJ/kg.K

kW.h/kg.degC

373

kW-hr/kg-°C

Type 63, specific heat capacity

thermalConductivityUom

W/m.K

Btu/hr.ft.degF

335

BTU/hft°F

Type 64, thermal conductivity

cal/h.cm.degC

kcal/h.m.degC

cal/s.cm.degC

thermodynamicTemperatureMeasure

thermodynamicTemperatureUom

K

429

K

Type 75, temperature change

degC

212

°C

Type 41, temperature

degF

213

°F

Type 41, temperature

degR

376

°R

Type 41, temperature

timeMeasure

timeUom

s

215

sec

Type 42, time

a

cs

d

218

days

Type 42, time

Ga

h

214

hr

Type 42, time

100s

Ma

min

216

min

Type 42, time

ms

47

mS

Known issues (type 12), do not use

ms/2

ns

ps

us

wk

100ka

velocityMeasure

velocityUom

m/s

248

m/s

Type 47, velocity

cm/a

cm/s

dm/s

ft/d

251

ft/day

Type 47, velocity

ft/h

246

ft/hr

Type 47, velocity

ft/min

249

ft/min

Type 47, velocity

ft/ms

ft/s

250

ft/s

Type 47, velocity

ft/us

in/a

in/min

in/s

kft/h

241

kft/hr

Type 47, velocity

kft/s

km/h

252

km/hr

Type 47, velocity

km/s

knot

244

knots

Type 47, velocity

m/d

242

m/day

Type 47, velocity

m/h

245

m/hr

Type 47, velocity

m/min

247

m/min

Type 47, velocity

m/ms

mi/h

243

mph

Type 47, velocity

mil/yr

mm/a

mm/s

nm/s

um/s

volumeFlowRateMeasure

volumeFlowRateUom

m3/s

70

m³/s

Type 16, flow

bbl/d

66

bbl/D

Type 16, flow

bbl/hr

453

bbl/hr

Type 16, flow

bbl/min

80

bbl/min

Type 16, flow

cm3/30min

455

cc/30min

Type 16, flow

cm3/h

cm3/min

cm3/s

dm3/s

ft3/d

68

ft³/D

Type 16, flow

ft3/h

ft3/min

78

ft³/min

Type 16, flow

ft3/s

77

ft³/s

Type 16, flow

galUK/d

galUK/hr

galUK/min

galUS/d

galUS/hr

galUS/min

75

gpm

Type 16, flow

kbbl/d

1000ft3/d

1000m3/d

1000m3/h

L/h

L/min

79

L/min

Type 16, flow

L/s

m3/d

72

m³/D

Type 16, flow

m3/h

73

m³/hr

Type 16, flow

m3/min

Mbbl/d

M(ft3)/d

M(m3)/d

volumeMeasure

volumeUom

m3

287

m³

Type 53, volume

acre.ft

bbl

285

bbl

Type 53, volume

bcf

cm3

292

cc

Type 53, volume

dm3

492

dm³

Type 53, volume

flozUK

flozUS

ft3

284

ft³

Type 53, volume

galUK

galUS

286

gal

Type 53, volume

ha.m

hL

in3

288

in³

Type 53, volume

1000ft3

km3

L

291

L

Type 53, volume

Mbbl

Mcf

M(ft3)

mi3

mL

283

mL

Type 53, volume

M(m3)

mm3

289

mm³

Type 53, volume

MMbbl

ptUK

ptUS

qtUK

qtUS

tcf

um2.m

yd3

volumePerVolumeMeasure

volumePerVolumeUom

Euc

%

154

%

Type 29, dimensionless

permil

ppdk

ppk

ppm

39

ppm

Type 10, concentration

bbl/acre.ft

bbl/bbl

477

bbl/bbl

Type 61, liquid concentration (vol/vol)

bbl/ft3

bbl/100bbl

bbl/k(ft3)

bbl/M(ft3)

cm3/cm3

cm3/m3

dm3/m3

ft3/bbl

310

scf/bbl

Type 60, volume ratio

ft3/ft3

321

ft³/ft³

Type 61, liquid concentration (vol/vol)

galUS/kgalUS

galUK/kgalUK

galUK/ft3

galUK/Mbbl

galUS/bbl

galUS/10bbl

galUS/ft3

galUS/Mbbl

1000ft3/bbl

ksm3/sm3

L/10bbl

L/m3

323

L/m³

Type 61, liquid concentration (vol/vol)

m3/ha.m

m3/m3

396

m³/m³

Type 60, volume ratio

M(ft3)/acre.ft

mL/galUK

mL/galUS

mL/mL

38

mL/mL

Type 10, concentration

MMbbl/acre.ft

MMscf60/stb60

Mscf60/stb60

473

Mscf/bbl

Type 60, volume ratio

ptUK/Mbbl

ptUS/10bbl

pu

scm15/stb60

sm3/ksm3

sm3/sm3

stb60/MMscf60

stb60/MMscm15

stb60/Mscf60

stb60/Mscm15

stb60/scm15