Oilfield Riggers and Animals

Tools and Equipment that we Oilfield animal-loving Riggers have named after animals

Cat Head

The large cylinder on the side of the rig (usually spinning) that is used to lift items. A rope is wrapped around the cat head several times, and the friction of the rope against the rotating cylinder provides the pulling force.

Cat Line

The rope used on the cat head

Dog House

The steel-sided room adjacent to the rig floor, usually having an access door close to the driller's controls. This general-purpose shelter is a combination tool shed, office, communications center, coffee room, lunchroom and general meeting place for the driller and his crew.

Dogleg

A particularly crooked place in a wellbore, a dogleg commonly refers to a section of the hole that changes direction faster than desired

Gooseneck

An inverted "U" shaped section of rigid piping normally used as a conduit for high-pressure drilling fluid.

Mousehole

An opening in the rig floor near the rotary table, but between the rotary table and the vee-door, that enables rapid connections while drilling.

Monkey board

The small platform that the derrickman stands on when tripping pipe. Best job on the rig

Pig

A device with blades or brushes inserted in a pipeline for cleaning purposes.

Rabbit

A slang term for an internal drift diameter gauge typically used to check casing or tubing joints

Rathole
1. A storage place for the kelly.
2.Extra hole drilled at the end of the well to ensure that the zone of interest can be fully evaluated

3. Extra hole drilled at the bottom of the hole to leave expendable completion equipment.

Spider
A steel housing with a tapered bore which is located at the rig table. The spider is used to accommodate the slips to hold the drill pipe or casing

Now here are a couple of others that are more crude but certainly deserve a mention

Donkey's dick
A slim long rubber tube like bladder used on the inside of a pressure sensor
Also a long stout flexible rubber used on the end of logging tools as a guide in open hole (Ha!)

Cow's C*nt
The curved open area behind the hook on the travelling block. When I was a derrick man I remember being told to put my head in the cow's c*nt and pull on the horns (of the elevators).

I'm that there are more but these are a few of my favourite ones. (sung to the tune of, 'A few of my favourite ones' from the 'Sound of Music').