Electronic Magnetic Multi-Shots
Electronic Magnetic Multi-Shots (EMMS) are a definitive multi-shot surveying instruments. However, MWD data may be accepted as the definitive survey provided QA/QC results are within the acceptable criteria.
They have the advantage of being relatively insensitive to compass spacing, less mechanical parts, more options for time setting and quality control outputs.
During Electronic Magnetic Multi-Shots surveys:
- the instrument assembly should be run in the bottom NMDC or in the collar immediately above the MWD tool (if run)
- the tool should . . .
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