Inversion solutions
ATEMIS offers a full range of inversion
solutions for laterologs, induction logs and LWD resistivity logs, whenever
there is a need for :
-
quantitative interpretation of thin-bed pay zones
-
accurate resistivity evaluation in deeply invaded formations
-
formation anisotropy evaluation or anomalies detection
Methodologies
-
single log 1D inversion (no invasion)
-
combined 1D-inversion of deep resistivity and GR logs
-
2D joint inversion of resistivity logs (shoulder beds, invasion)
-
2D contrained inversion techniques using optimization techniques
Solutions incorporate information
from supplied complementary logs.
Deliverables
ATEMIS inversion services deliver
position of bed boundaries, Rt (true virgin zone resistivity), Rxo (invaded
zone resistivity) and Di (diameter of invasion zone), as well as performance
and error indicators for quality control of the parameter estimation. |