Hinged Double Bow Positive Centralizer for Oil Well Cementing

• Certification: ISO 9001:2000
• Surface Treatment: Spray-Paint
• Centralizer Type: Elastic
• Structure: Automatic Reversing
• Material: Alloy
• Type: Centralizer
• Model NO.: Double Bow
• Model: Latch Type
• Bow Number: 6
• Length: 420
• Weight: 3.5kg
• Size: 5-1/2"
• Od: 8-1/2"
• Transport Package: Pallets
• Specification: 5.5"
• Trademark: MED
• Origin: China
• Production Capacity: 10000/Month

Product Description

Product Description

 

Positive centralizer
The Hinged positive bar Centralizer, hinged welded centralizer with set screw utilizes straight steel bard wekded onto hinged end collars that secure it to the casing, usually between two stop collars. The hinged design provides easy installation for a fast, effective centralization solution.
The centralizer retains the hinge pins and positive steel bars found on the design . The centralizer adds evenly spaced integral set screws around the end colalr to activate a greater holding force and eliminate the need for stop collars.
 
Recommended to run between two casing centralizer stop collars or one stop collar and casing coupling
Hinged design with positive steel bars welded to hinged end collars
When run in open hole, centralizer is allowed to rotate
Set screws recommended to be used on casing grades of P110 or below
Install by evenly tightening set screwss in a "start patten" to prevent collar deformation , then torque set screws in the leading end collar to a maximum of 25 ft -lbs., or install centralizer between two stop collars.
Centralizer are manufactured with a positive O.D. of no less than 1/4" under hole size
Manufactured to customer specification up receipt of order
Specify casing, hole and restriction sizes when ordering

Product Parameters

 

Model (in)	Hooping In-Dia. (mm)	Hooping thickness(mm	Total length (mm)	Max.Out-Di (mm)	Amount of spring(mm)
5-1/2" x 8-1/2"	142-148	3-5	650±50	225±5	5
7" x 9-5/8"	181-186	3-5	650±50	255±5	6
7" x 8-1/2"	181-186	3-5	650±50	235±5	6
8-5/8 x 12-1/4"	223-228	3-5	650±50	330±5	8
9-5/8 x 12-1/4"	250-255	3-5	650±50	330±5	8
10-3/4 x 12-1/4"	274-276	3-5	650±50	330±5	9
13-3/8"x17-1/2"	342-347	3-5	650±50	450±5	11
18-5/8"x24"	475-477	3-5	600±50	610±5	12
20"x26"	509-511	3-5	600±50	660±5	12

Company Profile

Company info:

Our factories has more than 15 years experiences of manufacturing oilfield tools. We guarantee and uphold the highest standards in customer service, client satisfaction, and quality product delivery in the oilfield industry. We are professional in many kinds of casing centralizers, float collars and float shoes, cementing plugs, cement baskets, cementing heads, stage collar, sucker rods, drill pipes, dill collars, etc.

We have professional team that has been in oil & gas industry for many years. We would communicate about technical problems with customers through pre-sale services, and confirm every detailed requirements of the products which request by clients. Then we will arrange the production and observe the procedure to guarantee the quality is good. We also will conduct final test for the finished products and arrange shipments to deliver the goods to customers' side safely.
 

Detailed Photos