API Petroleum Accessories Flexible Spring Bow Centralizer for Casing

• Certification: API
• Surface Treatment: Spray-Paint
• Centralizer Type: Elastic
• Structure: Bow
• Material: Cast Steel
• Type: Centralizer
• Model NO.: Casing Centralizer
• Classification: Hinged, Non Welded, Bow Spring
• Materials: 65mn Steel, Carbon Steel, or Others as Required
• Standard: API, or Others as Required
• Specifications: 4 1/2′′--- 20′′
• Transport Package: Pallets
• Specification: 5 1/2 --- 20"
• Trademark: MED
• Origin: China
• HS Code: 7307
• Production Capacity: 10000 PCS/Year

Product Description

Petroleum Accessories Flexible Spring  Bow Centralizer for Casing

Introduction
Casing centralizers are used to help center the casing in wellbore, allowing even distribution of the cement around casing during cementing operations.
Hinged Non-welded casing centralizers have hinge-pin design with woven bow profile.

Characteristics
1) The installation is very convenient by setting two halves on the piece and inserting the pin in the end collar hing5)  
2) The dissembled centralizers make a compact package, greatly reducing shipping cost.

Parameters of Hinged Non-welded Centralizer

Specification	Casing Size (mm)	Hole Size (mm)	Inner Diameter (mm)	Outer Diameter (mm)
4-1/2"×5-1/2"	114	140	118	140
4-1/2"×5-3/4"	114	146	118	146
4-1/2"×6"	114	152	118	152
4-1/2"×6-1/8"	114	156	118	156
4-1/2"×6-1/4"	114	159	118	159
5"×6"	127	152	132	152
5"×6-1/8"	127	156	132	156
5"×6-1/4"	127	159	132	159
5-1/2"×6-1/2"	140	165	144	165
5-1/2"×7"	140	178	144	178
5-1/2"×7-1/2"	140	191	144	191
5-1/2″×8-1/2″	140	216	142	216
5-3/4"×7-1/2"	146	191	150	191
5-3/4"×8-1/2"	146	216	150	216
6-5/8"×8-1/2"	168	216	172	216
6-5/8"×8-11/16"	168	221	172	221
6-5/8"×9-5/8"	168	245	172	245
7″×8 1/2″	178	216	182	216
7"×8-11/16"	178	221	182	221
7"×9-5/8"	178	245	182	245
7-5/8″×8 1/2″	194	216	198	216
7-5/8"×8-11/16"	194	221	198	221
7-5/8"×9-5/8"	194	245	198	245
9-5/8″×11-5/8″	245	295	249	295
9-5/8″×12-1/4″	244	311	249	311
12-3/4"×15-1/2"	324	394	328	394
13-3/8"×15-1/2"	340	394	344	394
13 3/8×17 1/2	340	445	344	445

Our Team
Zhengzhou Maierda Petroleum Equipment Co., Ltd., located in Central China, is a professional supplier of oilfield equipment and accessories.
Our factories have more than 15 years experiences of manufacturing oilfield equipment and accessories.
Our sales team has more than 10 years importing & exporting experiences in oil & gas industry.
Our Products
We are specialized in oilfield equipment and accessories including casing centralizers, float equipment, stage collars, cementing plugs, cement heads, cement baskets, casing & tubing couplings, sucker rods, pup joints, drill pipes, drill collars, etc.
We are committed to providing high-quality and cost-effective products and services to our customers.
Our Services
We guarantee and uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry.
Let's join hands and work together to create us a better future!