Side pocket mandrel
A side pocket mandrel is described comprising: a tubular body section having a hollow interior that defines a main bore to one side thereof and another bore to the other side thereof; and a short-length seating section welded to one end of the body section. The seating section has a main bore formed to one side thereof aligned with the main bore in the body section, and a valve seating bore formed on the other side thereof generally aligned with the other bore. The seating bore has a polish section adjacent its outer end. The outer end opening through an exterior end surface of the mandrel. The seating bore has a recessed section adjacent the polish section. That provides an inwardly facing stop shoulder at one end thereof and a latch shoulder at the other end thereof facing the stop shoulder; and a tubular member welded to the seating section in axial alignment with the main bores. The axis of the polish section of the seating bore is inclined toward the axes of the main bores at a small angle.
- Assignee:
- NOV; NOV-88-001153; EDB-88-071631
- Patent Number(s):
- US 4715441
- OSTI ID:
- 5464179
- Resource Relation:
- Patent File Date: Filed date 18 Oct 1985
- Country of Publication:
- United States
- Language:
- English
Similar Records
Oriented valve and latch for side pocket mandrel
Apparatus and method for controlling injection fluid flow in a well annulus