They most certainly do!
Halliburton's major business segment is the Energy Services Group (ESG).
ESG provides technical products and services for oil and gas exploration and production.
What you just said right there has nothing to do with oil rig repairs.
That is speaking of being a service company for oil and gas exploration.
Nothing to do with rig repairs.
The drilling companies themselves do there own repairs on the rigs.
Haliburton deals with the wells themselves.
They have nothing to do with the rigs.
Regardless, its a nice stock presently.