API Oil Drilling Equipment Non Welded Bow Spring Centralizer

• 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
• Application: Oil Well Cementing
• Color: as Required
• Casing Size (mm): 114- 340
• Transport Package: Pallets
• Specification: 5 1/2 --- 20"
• Trademark: MED
• Origin: China
• HS Code: 7307
• Production Capacity: 10000 PCS/Year

Product Description

API Non Welded Bow Spring Centralizer for Oil Well

1. Type: Hinged Non-welded Bow Spring
 
2. Materials: Steel
 
3. Standard: API, or others as required
 
4. Specifications: 4 1/2''---13-3/8'', or others as required

5. 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.

Hinged non-welded casing centralizers have hinge-pin design with woven bow profile.

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

7. 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

About Us
Maierda, located in Central China, is a professional supplier of petroleum equipment and tools.
Our factory has more than 15 years' experience in the R&D, production, sales and service of oilfield equipment and machinery.
Our sales team has more than 10 years importing & exporting experiences in the oil & gas industry.

Main Products
We are mainly engaged in oil well equipment and tools including various casing centralizers (bow centralizer, spring centralizer, single piece centralizer, solid body centralizer, rigid centralizer, semi-rigid centralizer, hinged centralizer, non-welded centralizer, welded centralizer, composite centralizer, nylon centralizer, stamped centralizer, positive centralizer, roller centralizer, slip-on centralizer, aluminum centralizer, zinc alloy centralizer), stop collar, sucker rod centralizer, tubing centralizer, drill pipe centralizer, etc.
We also provide some other competitive products in the oil & gas field including float equipment (collar and shoe), cementing plugs, cementing heads, stage collars, cement baskets, hammer unions, polished rod clamps, polished rod, couplings & crossovers for casing, tubing, sucker rod, polished rod, etc.