Schlumberger's new petrophysical evaluation system
Posted: 5 September 2003
DecisionXpress enables operators to leverage interpretation
results for decisions
Schlumberger Oilfield Services announced commercialisation of the
DecisionXpress petrophysical evaluation system, which provides a
highly integrated, quality-controlled petrophysical interpretation
minutes after completion of logging operations.
The immediate delivery of interpreted results allows time-critical
decisions to be made, and permits geoscience and engineering professionals
to realize the full potential of their valuable logging data.
The DecisionXpress system integrates data from the Platform Express
and ECS Elemental Capture Spectroscopy services in a unique interpretation
software program.
The PC-based application provides rapid data visualization and
reprocessing capabilities with minimal user inputs, and delivers
a robust petrophysical evaluation in sand/shale reservoirs at the
wellsite or in the client office.
Applications include planning of coring and sampling operations,
decisions for casing, drilling ahead or sidetracking, and the design
of completion strategies.
Field-testing began in February around the world, including locations
in North and South America, Africa, the Middle East, Australia and
Europe. In deepwater exploration wells in the Gulf of Mexico and
offshore West Africa, DecisionXpress was used to identify significant
hydrocarbon zones that had been misinterpreted as water-bearing
intervals from conventional triple-combo log analysis.
The built-in petrophysical evaluation quality control highlighted
the proper formation water salinity values necessary for accurate
resistivity-based water saturation calculations
Porosity, permeability and water saturation results were later
validated by core analyses.
For more information see www.slb.com/oilfield/decisionxpress.
Posted by Richard Price,
Editor Pipeline Magazine
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