POSC Specifications
Version 3.0
Epicentre Standard Values
ref_coordinate_sys_constraint

ref_coordinate_sys_constraint

Standard Instance Values

identifier description source version status
      ref _version .identifier  
3d well log cs A coordinate system for well logs POSC epicentre 2.1 current
2d well log cs A coordinate system for well logs POSC epicentre 2.1 current
capillary pressure system A coordinate system that describes capillary pressures in a two phase system as a function of saturation. POSC epicentre 2.1 current
earth 3d 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 epicentre 2.1 current
earth 2d A coordinate system with axes of general length. POSC epicentre 2.1 current
earth 1d A coordinate system with one axis of time or length. POSC epicentre 2.1 current
fluid rheology A coordinate system which can capture how a fluid's resistance to shear varies with the shear rate. POSC epicentre 2.1 current
frequency 1d A general one dimensional coordinate system in frequency. POSC epicentre 2.1 current
geoidal undulation system A three dimensional coordinate system for geoidal undulation descriptions. POSC epicentre 2.1 current
geometry 3d 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 epicentre 2.1 current
geometry 2d A coordinate system with axes of general length. POSC epicentre 2.1 current
geometry 1d A coordinate system with one axis of time or length. POSC epicentre 2.1 current
gel strength 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 epicentre 2.1 current
kr 2p system A coordinate system that describes relative permeabilities in a two phase system as a function of saturation. POSC epicentre 2.1 current
kr 3p system A coordinate system that describes relative permeabilities in a three phase system as a function of two saturations. POSC epicentre 2.1 current
measured depth system A 1D coordinate system based upon a path in the earth. POSC epicentre 2.1 current
pt beta factor system A coordinate system for formation volume factors POSC epicentre 2.1 current
pt compressibility system A coordinate system for fluid compressibility POSC epicentre 2.1 current
pt density liquid system A coordinate system for liquid density POSC epicentre 2.1 current

ref_coordinate_sys_constraint

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identifier description source version status
pt k value system A coordinate system for equilibrium ratios POSC epicentre 2.1 current
pt mod k value system A coordinate system for pseudo compositional equilibrium ratios POSC epicentre 2.1 current
pt rs system A coordinate system for solution gas oil ratios POSC epicentre 2.1 current
pt system A coordinate system type that has axes of pressure and temperature. POSC epicentre 2.1 current
pt viscosity system A coordinate system for dynamic viscosities POSC epicentre 2.1 current
time 1d A general one dimensional coordinate system in time. POSC epicentre 2.1 current
vertical system A 1D vertical coordinate system. POSC epicentre 2.1 current
volume length A coordinate system giving cumulative volumes against length (height) for tank schedules POSC epicentre 2.1 current
seismic line A one dimensional coordinate system for a line binset. This allows only the bin point index. POSC epicentre 2.1 current
seismic crossline A one dimensional coordinate system for a crossline binset. This allows only the bin line index. POSC epicentre 2.1 current
seismic binset A two dimensional coordinate system for a 3d survey binset. This allows a bin line index and a bin point index. POSC epicentre 2.1 current
seismic section A two dimensional coordinate system. This allows a bin point index and a vertical axis - generally either time or depth/elevation. POSC epicentre 2.1 current
seismic cube 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 epicentre 2.1 current
seismic time slice 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 epicentre 2.1 current
azimuthal 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 epicentre 2.1 current
travel time A one dimensional coordinate system for seismic waves. POSC epicentre 2.1 current
vertical depth A one dimensional coordinate system in vertical Depth. POSC epicentre 2.1 current
elevation A one dimensional coordinate system in vertical elevation. POSC epicentre 2.1 current
tau-p panel A two dimensional coordinate system of Intercept time and inverse velocity. POSC epicentre 2.1 current
velocity panel A two dimensional coordinate system of time and velocity. POSC epicentre 2.1 current

ref_coordinate_sys_constraint

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

ref_coordinate_sys_constraint

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

ref_coordinate_sys_constraint

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identifier description source version status
pt wet gas z factor system A coordinate system for wet gas z factors. POSC epicentre 2.1 current
upt density liquid system A coordinate system for undersaturated liquid density. POSC epicentre 2.1 current
upt e factor system A coordinate system for undersaturated expansion factors. POSC epicentre 2.1 current
upt s factor system A coordinate system for undersaturated shrinkage factors. POSC epicentre 2.1 current
pt dry gas s factor system A coordinate system for dry gas shrinkage factors. POSC epicentre 2.1 current
upt viscous compressibility system A coordinate system for undersaturated vicsous compressibilities. POSC epicentre 2.1 current
upt system A coordinate system for undersaturated fluid properties. POSC epicentre 2.1 current
edge number The single index used to identify an edge POSC epicentre 3.0 current
face number The single index used to identify a face POSC epicentre 3.0 current
delta xy The error uncertainties in the north and east directions about a point POSC epicentre 3.0 current
rotational frequency The rotational frequency of an object POSC epicentre 3.0 current

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