One-Piece Bow-Spring Centralizer (ЦПЦ)
The centralizer consists of several bow springs and two end collars.
Advantages
- no welded seams;
- secured by stop rings and set screws;
- allows rotation of the casing string;
- low starting (run-in) force.
Specifications
- starting force: up to 50 kgf
- holding force of the screws: 6 tf
- type: bow-spring, arched
- material: alloy steel with elastic (spring) properties
- size range, casing (ОК): 73 to 194 mm
- size range, production casing (ЭК): 114 to 273 mm
Application area and experience
The one-piece bow-spring centralizer (ЦПЦ) is designed for centering the completion assembly in the production casing and in the open hole during run-in, while allowing it to be reciprocated and rotated, and for maintaining a uniform clearance between the casing pipe and the wellbore walls.
