What Is Rat Hole Drilling
A Rathole Is a Hole in the Rig Floor, 30 to 35 Feet Deep, Lined with Casing That Projects Above the Floor, into Which the Kelly Is Placed When Hoisting...
A rathole is a hole in the rig floor, 30 to 35 feet deep, lined with casing that projects above the floor, into which the kelly is placed when hoisting operations are in progress. This is either done by the portable rig that drills the conductor hole or can be done by the primary rig after rigging-up.
What is rat hole in oilfield?
A rathole is a hole in the rig floor, 30 to 35 feet deep, lined with casing that projects above the floor, into which the kelly is placed when hoisting operations are in progress. This is either done by the portable rig that drills the conductor hole or can be done by the primary rig after rigging-up.
Where is the rat hole in a well?
-In the context of a well, a rat hole is the hole below the pay zone. Commonly drilled to drop off perforating guns of a gathering or sump area for liquids to separate from gas prior to being pumped.
Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.
