Definition - What does Service Rig mean?
Service rig is a piece of equipment that is used for the servicing of oil and gas wells. These rigs are not used for the drilling but are used to accomplish other tasks associated with the operation of oil and gas well. There are many focused styles of service rigs that can include the carrier, the doghouse, the pump truck, and many crew vehicles.
Petropedia explains Service Rig
A service rig is a piece of apparatus that can be driven long spans within the oil wells for servicing and maintenance purposes. Usage of service rigs becomes extremely important in productive wells when it comes to ensuing periodic maintenance. However, apart from cleaning a well or replacing its components, service rig is also required when a well needs to shut down. Crews used rigs to finish tasks associated with shutting down of a well and ensure safety factors too.