GT-04 · Aerated Drilling Control

Hole depth 2,846 m MD · Formation: Andesite fractured zone

Shift handover log

NIGHT ACTIVE · Night Drilling Engineer

Action package accepted by rig and superintendent.

Focus: alarm clearing sequence and return efficiency recovery.
DAY → NIGHT · Day Drilling Engineer

Progressive losses across fractured andesite. Aerated mode held stable until 17:35.

Open: prepare foam transition and validate compressor availability.

Open action register

Night shift
A1
Execute foam transition

Owner: Night Drilling Engineer · Due 00:20

OPEN
A2
Confirm return recovery

Hold >45% for 10 minutes

WAIT
A3
Validate alarm clearing

Driller + Optimization Room joint check

WAIT