API Casing Accessories Seamless Single-Piece Spring Bow Centralizer

API Casing Accessories Seamless Single-Piece Spring Bow Centralizer

API Casing Accessories Seamless Single-piece Spring Bow Centralizer

1. Type: Single-piece Spring Bow Centralizer
 
2. Materials: 65Mn steel
 
3. Specifications: 4 1/2''---20'', or others as required
 
4. Introduction
Seamless Single-piece Spring Bow Centralizer has restoring force almost two times of API standard.
The shuttle-shape bow (narrower bar at two ends) is our unique design for our casing centralizer. This design has higher restoring force, anti-drag feature and more beautiful appearance than normal single piece centralizer.
The baking varnish matt coating on the surface of centralizer looks more beautiful.
The extending straight bows near two end collar achieve higher restoring force.
The bulgy bars in middle of each bow have better restoring function.
 
5. Application
Horizontal and deviated hoes,
Slim and irregular holes,
Oil reservoir

 6. Parameters of Single-piece Spring Bow Centralizer

SpecificationCasing Size (mm)Hole Size (mm)Inner Diameter (mm)Outer Diameter (mm)
4-1/2″×6″114152118152
5″×6-1/2″127165132165
5-1/2″×6-1/2″140165142165
5-1/2″×8-1/2″140216142218
6-5/8″×8-1/2″168216172218
7″×8-1/2″178216182218
7″×9-1/2″178241182243
7-5/8"×9-1/2"194241198243
7-5/8″x9-7/8″"194251198253
9-5/8″×12-1/4″244311249311
10-3/4"× 12-1/4"273311278311
12 3/4"×17-1/2"324445328445
13-3/8″×17-1/2″340445344445
14-3/8"×18-3/4"365476369476
16"×20"406508410508
18-5/8"×24"473610474610
20"×26"508660512660

API Casing Accessories Seamless Single-Piece Spring Bow Centralizer

API Casing Accessories Seamless Single-Piece Spring Bow Centralizer

API Casing Accessories Seamless Single-Piece Spring Bow Centralizer