1563 abbreviations
Abbreviation Meaning
XPERM Matrix Permeability in the X-Direction
XPHLOC Crossplot Selection for XPHI
XPOR Crossplot Porosity
XPT Formation Pressure Test log (Schlumberger)
XYC XY Calliper Log (Halliburton)
yd yard
yl Holdup Factor
YP Yield Point
yr year
Z Depth, in the geosciences referring to the depth dimension in any x,y,z data.
ZDENP Density Log
ZDL Compensated Z-Densilog
ZOI Zone of Influence