Survey tools and techniques
The following survey tools and techniques are recommended/ available:
- Solid state magnetic survey tools
- Conventional magnetic survey tools
- Conventional gyroscopic survey tools
- North seeking gyro survey tools
- Inertial navigation survey systems
Approval of tools
Inclination-only tools are not regarded as survey tools but as inclination indicator tools. They can at best only be used to obtain provisional, intermediate inclination data in between or prior to full surveys.
Techniques recommended during drilling:
- single and multi-shot surveying;