API Casing Centralizers for Sale (USA, Canada, Russia, etc.)

• Certification: ISO 9001:2008, API
• Surface Treatment: Spray-Paint
• Centralizer Type: Spring, Rigid, Positive
• Structure: Slider
• Material: Plastic
• Type: Centralizer
• Model NO.: Casing centralizer
• Application: Centralize Casing
• Transport Package: Pallets
• Specification: 4 1/2"---20"
• Trademark: MED
• Origin: China
• HS Code: 7307
• Production Capacity: 50000 Piececs/Month

Product Description

API Casing Centralizers for Sale (USA, Canada, Russia, etc.)

1. Type: Bow spring, rigid
 
2. Materials:  65Mn steel, carbon steel, or others as required
 
3. Specifications: 4 1/2''--- 20'', or others as required
 
4. Introduction
Casing centralizers help center the casing in wellbore during the cementing operations, allowing the cement to be evenly distributed around casing string. The degree to which the casing is centered (standoff) depends on the performance of centralizer and the spacing between the centralizers installed on the casing OD.
 
5. Function
1) Take casing to designed position by reducing sticking while casing going down.
2) Centralize casing in well.
3) Balance liquid pressure in annular space by reducing adhesion phenomenon.
4) Improving replacing ratio of mud and boosting cementing quality by reducing channeling effect.
 
6. Characteristics of Bow Spring Centralizer:
1) Designed for high restoring force and low starting and running force
2) The larger bows provide complete centralization in vertical or slightly deviated wells.
3) Due to the flexibility of bows, they can pass through narrow hole sections and expand in the targeted locations.
4) Undergo special coating process to prevent from rust
5) For hinged bow spring casing centralizers, end collars are designed with self-locking action, which are easy to assemble and can be shipped in half assembled condition for less shipping and storage costs.
 
7. Characteristics for Rigid Casing Centralizers:
1) Shock, impact and corrosion resistant.
2) High tensile and yield strengths.
3) Available with straight or spiral blades.
4) Helps ensure positive centering in deviated or horizontal holes.
5) Helps prevent differential sticking while running casing.
 
8. Parameters of Welded Bow Spring Centralizer

Specification	Casing Size (mm)	Hole Size (mm)	Inner Diameter (mm)	Outer Diameter (mm)
4-1/2"×6"	114	152	119	152
5″×6-1/2″	127	165	132	165
5-1/2″×8-1/2″	140	216	145	216
5-1/2"×9-1/2"	140	241	145	241
6-5/8″×8-1/2″	168	216	172	216
7"×8 1/2 "	178	216	182	216
7"×9 1/2 "	178	241	182	241
7-5/8"×9-1/2"	194	241	198	241
7-5/8″x9-7/8″"	194	251	198	251
9-5/8″×12-1/4″	244	311	249	311
10-3/4"× 12-1/4"	273	311	278	311
12 3/4"×17-1/2"	324	445	329	445
13-3/8″×17-1/2″	340	445	344	445
14-3/8"×18-3/4"	365	476	369	476
16"×20"	406	508	410	508
18-5/8"×24"	473	610	478	610
20"×26"	508	660	513	660

9. Parameters of Rigid Centralizer

Specification	Casing Size (mm)	Hole Size (mm)	Inner Diameter (mm)	Outer Diameter (mm)
4-1/2"×6"	114	152	118	146
5"×6-1/2"	127	165	131	159
5-1/2"×8-1/2"	140	216	142	210
7"×8-1/2"	178	216	182	210
7-5/8"×9-1/2"	194	241	198	235
9-5/8"×12-1/4"	244	311	249	305
10-3/4"× 12-1/4"	273	311	278	305
13-3/8"×16"	340	406	344	100
13-3/8″×17-1/2"	340	445	344	438