RST ( Reservoir Saturation Tool )

RST
Applications

• Monitor water saturation
through tubing
• Locate by-passed oil
• Detect water flood fronts
• Fine-tune formation evaluation
through casing
• Evaluate wells lacking
open hole logs
• Monitor production profiles
• Monitor water saturation
through tubing
• Locate by-passed oil
• Detect water flood fronts
• Fine-tune formation evaluation
through casing
• Evaluate wells lacking
open hole logs
• Monitor production profiles

RST hardware


MINITRON
GENERATES EXTREMELY
POWERUL NEUTRONS WHEN
POWERD UP (14 MeV)
• MINITRON POWER UP ONLY
WHEN TOOL IS 150 FT.
BELOW SURFACE


Neutron
Interactions

RST Modes of Operation



Sigma Mode
OUTPUTS
•FOMATIOIN SIGMA FOMATIOIN SIGMA
•BOREHOLE SIGMA BOREHOLE SIGMA
•BOREHOLE SALINITY BOREHOLE SALINITY
•POROSITY POROSITY
•The ability of an atom to capture
neutron is called sigma Σ
• Chlorine present in saline water has
high Σ (Hydrocarbon does not have
any chlorine)

To be continued

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