Truck-mounted rig:

Terms Related to Truck-mounted rig

• Production rig

  A portable servicing or workover outfit, usually mounted on wheels and self-propelled. A well servicing unit consists of a hoist and engine mounted on a ...

• Spudder

  A portable cable-tool drilling rig, sometimes mounted on a truck or trailer.

• Portable mast

  A mast mounted on a truck and capable of being erected as a single unit. See telescoping derrick.

• Gin-pole truck

  A truck equipped with a pair of poles, and hoisting equipment for use in lifting heavy machinery around a lease.

• Back-in unit

  A portable servicing or workover rig that is self-propelled, using the hoisting engines for motive power. Because the driver's cab is mounted on the end ...

• Drive-in unit

  A type of portable service or workover rig that is self-propelled, using power from the hoisting engines. The driver's cab and steering wheel are mounted ...

• Concentric tubing workover

  A workover performed with a small-diameter tubing work string inside the normal tubing. Equipment needed is essentially the same as that for a conventional workover ...