Well Drilling Rig Wiki Knowledge

Common drilling problems

During drilling operations, numerous problems can arise. Here are some common ones:
钻井常见的问题

We got stuck pipe again! The drill string just won't budge.we think it might be differential sticking, or maybe the hole's collapsed.

We're losing mud like crazy! We must have hit a fracture or something.
Gotta pump some lost circulation material to try and seal it off.

We're getting a kick! The formation pressure's higher than we thought.
If we don't control it, we'll have a blowout!

The drill bit's worn out. We gotta pull it out and change it.
We're getting really slow penetration. Maybe the bit's damaged.

The wellbore's collapsing! We're getting a lot of shale falling into the hole.
We need to increase the mud weight to stabilize it.

The mud's viscosity is too high. We need to thin it out.
We're getting a lot of sand in the mud. We need to clean it.

The top drive's acting up. We might have to shut down for repairs.
The MWD tool's not sending data. We're blind down here.

We hit a shallow gas pocket. We need to be careful.
We have to divert the flow and get it under control.

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