D20x22 Series II Navigator HDD
Overview 30-55
When Limits are Exceeded
If these values exceed their limits, a message will be displayed:
•
In Thrust Pressure mode: ROTPSI
•
In Rotation Pressure mode: THRPSI
•
In Speed mode: THRPSI or ROTPSI, whichever pressure limit has been exceeded
The messages mean the thrust pump output is reduced until drilling conditions come back within limits:
•
Flashing
message: 10% reduction
•
Solid
message: 30% reduction
Adjusting to Higher Limits
Содержание D20x22 Series II
Страница 14: ...This page intentionally left blank ...
Страница 28: ...This page intentionally left blank ...
Страница 84: ...This page intentionally left blank ...
Страница 218: ...This page intentionally left blank ...
Страница 224: ...This page intentionally left blank ...