POSC Specifications
Version 2.2
Epicentre Standard Values
ref_coordinate_system_constraint

ref_coordinate_system_constraint

Changes Document
Standard Instance Values

name ref _axis _type description source version status
  ref _axis _type .name   ref _source .name ref _epicentre _version .name  
3d well log cs length or time
angle or time
angle or time
A coordinate system for well logs POSC 2.1 current
2d well log cs length or time
angle or time
A coordinate system for well logs POSC 2.1 current
capillary pressure system saturation
pressure
A coordinate system that describes capillary pressures in a two phase system as a function of saturation. POSC 2.1 current
earth 3d general length
general length
vertical length or time
A coordinate system with two axes of general length, and a third axis is time or length. The order is length or time varying fastest, and general length varying most slowly. POSC 2.1 current
earth 2d general length
general length
A coordinate system with axes of general length. POSC 2.1 current
earth 1d general length A coordinate system with one axis of time or length. POSC 2.1 current
fluid rheology fluid stress only
shear rate only
A coordinate system which can capture how a fluid's resistance to shear varies with the shear rate. POSC 2.1 current
frequency 1d rotational frequency A general one dimensional coordinate system in frequency. POSC 2.1 current
geoidal undulation system x location
y location
elevation
A three dimensional coordinate system for geoidal undulation descriptions. POSC 2.1 current
geometry 3d general length
general length
vertical length or time
A coordinate system with two axes of general length, and a third axis is time or length. The order is length or time varying fastest, and general length varying most slowly. POSC 2.1 current
geometry 2d general length
general length
A coordinate system with axes of general length. POSC 2.1 current
geometry 1d general length A coordinate system with one axis of time or length. POSC 2.1 current
gel strength time only
fluid stress only
A coordinate system which allows a fluid's ability to develop gel like properties to be recorded. Initial sheer stress is recorded as a function of elapsed static time. POSC 2.1 current
kr 2p system saturation
rel perm
A coordinate system that describes relative permeabilities in a two phase system as a function of saturation. POSC 2.1 current
kr 3p system saturation
saturation
rel perm
A coordinate system that describes relative permeabilities in a three phase system as a function of two saturations. POSC 2.1 current
measured depth system measured depth A 1D coordinate system based upon a path in the earth. POSC 2.1 current
pt beta factor system pressure
bubble point pressure
temperature
formation volume factor
A coordinate system for formation volume factors POSC 2.1 current
pt compressibility system pressure
bubble point pressure
temperature
compressibility
A coordinate system for fluid compressibility POSC 2.1 current

ref_coordinate_system_constraint

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name ref _axis _type description source version status
pt density liquid system pressure
bubble point pressure
temperature
density liquid
A coordinate system for liquid density POSC 2.1 current
pt k value system pressure
temperature
K value
A coordinate system for equilibrium ratios POSC 2.1 current
pt mod k value system pressure
temperature
pseudo comp factor
K value
A coordinate system for pseudo compositional equilibrium ratios POSC 2.1 current
pt rs system pressure
temperature
solution gas oil ratio
A coordinate system for solution gas oil ratios POSC 2.1 current
pt system pressure
temperature
A coordinate system type that has axes of pressure and temperature. POSC 2.1 current
pt viscosity system pressure
bubble point pressure
temperature
viscosity dynamic
A coordinate system for dynamic viscosities POSC 2.1 current
time 1d time only A general one dimensional coordinate system in time. POSC 2.1 current
vertical system length or time A 1D vertical coordinate system. POSC 2.1 current
volume length length
volume
A coordinate system giving cumulative volumes against length (height) for tank schedules POSC 2.1 current
seismic line bin node point A one dimensional coordinate system for a line binset. This allows only the bin point index. POSC 2.1 current
seismic crossline bin node line A one dimensional coordinate system for a crossline binset. This allows only the bin line index. POSC 2.1 current
seismic binset bin node line
bin node point
A two dimensional coordinate system for a 3d survey binset. This allows a bin line index and a bin point index. POSC 2.1 current
seismic section bin node point
seismic vertical
A two dimensional coordinate system. This allows a bin point index and a vertical axis - generally either time or depth/elevation. POSC 2.1 current
seismic cube bin node line
bin node point
seismic vertical
A three dimensional coordinate system for seismic cubes. The order of the axes is seismic vertical varying fastest, binnode line or point varying most slowly. POSC 2.1 current
seismic time slice seismic vertical
bin node line
bin node point
A three dimensional coordinate system for seismic time slices. The order of the axes is binnode line or point varying fastest, seismic vertical varying most slowly. POSC 2.1 current
azimuthal angle plane angle A one dimensional coordinate system in plane angle units, representing the subtended displacement of a line from a line connected to the true or magnetic north pole. POSC 2.1 current
travel time travel time A one dimensional coordinate system for seismic waves. POSC 2.1 current
vertical depth vertical depth A one dimensional coordinate system in vertical Depth. POSC 2.1 current
elevation elevation A one dimensional coordinate system in vertical elevation. POSC 2.1 current
tau-p panel slowness
travel time
A two dimensional coordinate system of Intercept time and inverse velocity. POSC 2.1 current

ref_coordinate_system_constraint

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name ref _axis _type description source version status
velocity panel travel time
seismic velocity
A two dimensional coordinate system of time and velocity. POSC 2.1 current
fk panel rotational frequency
wavenumber
A two dimensional coordinate system of frequency and wavenumber. POSC 2.1 current
fk panel B wavenumber
rotational frequency
A two dimensional coordinate system of frequency and wavenumber. POSC 2.1 current
seismic time travel time A one dimensional coordinate system of time in units appropriate for seismic related information. There is no assumption of wave polarization. POSC 2.1 current
time depth system time only
vertical length
A coordinate system with time and vertical length on the x- and y- axes respectively. POSC 2.1 current
depth time system vertical length
time only
A coordinate system with vertical length and time on the x- and y- axes repsectively. POSC 2.2 current
geocentric system length
length
length
A 3D coordinate system using three length axes, based upon the center of the earth. POSC 2.1 current
geographic 2d system latitude
longitude
A 2D coordinate system with coordinates of latitude and longitude. POSC 2.1 current
geographic longitude longitude A 1D coordinate system with coordinate of longitude. Used to give a longitude value when the prime meridian must be known. POSC 2.1 current
geographic 3d system latitude
longitude
depth
A 3D coordinate system with coordinates of latitude, longitude and depth. POSC 2.1 current
projected 2d system easting
northing
A 2D coordinate system with coordinates of easting and northing. POSC 2.1 current
projected 3d system easting
northing
vertical length or time
A 3D coordinate system with coordinates of easting, northing and depth. POSC 2.1 current
local 2d system length or binnode
length or binnode
A 2D coordinate system with coordinates of length or binnode for both axes. POSC 2.1 current
polar system length
plane angle
A 2D polar coordinate system. POSC 2.1 current
cylindrical system length
plane angle
length
A 3D cylindrical coordinate system. POSC 2.1 current
pt density gas system pressure
temperature
density gas
A coordinate system for gas density POSC 2.1 current
pt e factor system pressure
bubble point pressure
temperature
expansion factor
A coordinate system for expansion factors POSC 2.1 current
pt gas oil pseudo system pressure
temperature
gas oil pseudo pressure
A coordinate system for gas oil pseudo pressures POSC 2.1 current
pt gas pseudo system pressure
temperature
gas pseudo pressure
A coordinate system for gas pseudo pressures POSC 2.1 current
pt ift system pressure
temperature
pseudo comp factor
interfacial tension
A coordinate system for interfacial tensions POSC 2.1 current

ref_coordinate_system_constraint

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name ref _axis _type description source version status
pt s factor system pressure
bubble point pressure
temperature
shrinkage factor
A coordinate system for shrinkage factors POSC 2.1 current
pt rsw system pressure
temperature
solution gas water ratio
A coordinate system for solution gas water ratios POSC 2.1 current
pt spv gas system pressure
temperature
specific volume gas
A coordinate system for gas specific gravities POSC 2.1 current
pt spv liquid system pressure
temperature
specific volume liquid
A coordinate system for liquid specific gravities POSC 2.1 current
pt viscosity kinematic system pressure
bubble point pressure
temperature
viscosity kinematic
A coordinate system for kinematic viscosities POSC 2.1 current
pt viscous compressibility system pressure
bubble point pressure
temperature
viscous compressibility
A coordinate system for viscous compressibilities POSC 2.1 current
pt volatile oil gas ratio system pressure
bubble point pressure
temperature
volatile oil gas ratio
A coordinate system for volatile oil gas ratios POSC 2.1 current
pt Z factor system pressure
temperature
Z factor
A coordinate system for gas z-factors POSC 2.1 current
compaction factor system pressure A coordinate system for the description of compaction factor behavior. POSC 2.1 current
pt dry gas beta factor system pressure
temperature
gas gravity
formation volume factor
A coordinate system for dry gas formation volume factors. POSC 2.1 current
pt density dry gas system pressure
temperature
gas gravity
density gas
A coordinate system for dry gas densities. POSC 2.1 current
pt dry gas system pressure
temperature
gas gravity
A coordinate system for dry gas PVT data. POSC 2.1 current
pt dry gas viscosity system pressure
temperature
gas gravity
viscosity dynamic
A coordinate system for dry gas dynamic viscosities. POSC 2.1 current
pt dry gas compressibility system pressure
temperature
gas gravity
compressibility
A coordinate system for dry gas compressibilities. POSC 2.1 current
pt dry gas z factor system pressure
temperature
gas gravity
Z factor
A coordinate system for dry gas z-factors. POSC 2.1 current
pt interfacial tension system pressure
temperature
interfacial tension
A coordinate system for the description of interfacial tension as a function of pressure and temperature. POSC 2.1 current
pt mole fractions pressure
temperature
mole fraction
A coordinate system that describes the dependency to pressure and temperature of mole fractions. POSC 2.1 current
upt compressibility system pressure
saturation pressure
temperature
compressibility
A coordinate system for undersaturated fluid compressibility. POSC 2.1 current
upt beta factor system pressure
saturation pressure
temperature
formation volume factor
A coordinate system for undersaturated formation volume factor behavior. POSC 2.1 current
upt viscosity system pressure
saturation pressure
temperature
viscosity dynamic
A coordinate system for undersaturated dynamic viscosities. POSC 2.1 current

ref_coordinate_system_constraint

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name ref _axis _type description source version status
pt density wet gas system pressure
temperature
density gas
A coordinate system for wet gas dnsity. POSC 2.1 current
pt wet gas z factor system pressure
temperature
Z factor
A coordinate system for wet gas z factors. POSC 2.1 current
upt density liquid system pressure
saturation pressure
temperature
density liquid
A coordinate system for undersaturated liquid density. POSC 2.1 current
upt e factor system pressure
saturation pressure
temperature
expansion factor
A coordinate system for undersaturated expansion factors. POSC 2.1 current
upt s factor system pressure
saturation pressure
temperature
shrinkage factor
A coordinate system for undersaturated shrinkage factors. POSC 2.1 current
pt dry gas s factor system pressure
temperature
gas gravity
shrinkage factor
A coordinate system for dry gas shrinkage factors. POSC 2.1 current
upt viscous compressibility system pressure
saturation pressure
temperature
viscous compressibility
A coordinate system for undersaturated vicsous compressibilities. POSC 2.1 current
upt system pressure
saturation pressure
temperature
A coordinate system for undersaturated fluid properties. POSC 2.1 current

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