Features
Applications

Integral Spring Centralizer
the new type integral spring centralizer is made of a piece of steel plate, cutted by laser, and formed by punching, high temperature wire saw welding at last.1.the Dia of centralizer designed same withwell bore size.2.no initial resisitance, less friction3.higher deviationg from the clearance ratio(85%) and better reset force4.it can attach with the casing tightly in thenecking down string.5.higher strength, no stress weak points,more reliable.

Turbulent Spring Centralizer

SEMI RIGID CENTRALIZER
Integral rigid structer, mainly used in the process of running casing or cementing which required to rotate the casing. Such as the cementing of shale gas in Sichuan province, it must using this kind of centralizer when running casing which using the CDS top drive.

Preset force Centralizer

PP Centralizer

Hydraulic Centralizer

Product Parameters
High-grade steel or aluminum alloy (optional polymer materials available)
-Types Available:
- Bow Spring Centralizer
- Rigid Centralizer
- Semi-Rigid Centralizer
-Sizes: 4-1/2" to 20" (custom sizes available on request)
-Operating Temperature: -60°C to 200°C (-76°F to 392°F)
-Maximum Compressive Strength: Up to 10,000 psi
-Standard: API Spec 10D Compliant
Related Products

Dongying TIANRUI PETROLEUM Technology Co., Ltd., established in November 2003 and located in the Dongying Economic Development Zone, is an investment project in Dongying City.It is mainly engaged in the research, design, manufacturing and technical services of oil drilling and workover tools.The company consists of six departments and two workshops, namely the design department, the quality inspection department, the market operation department, the comprehensive department, the technical service department, the financial department, the processing workshop and the assembly workshop.It possesses rich R & D and design capabilities as well as manufacturing capabilities in oil drilling and workover tools.

1. How can I place order?A: You can contact us by email about your order details, or place order on line.2.How do I pay?
A: After you confirm our PI, we will ask you to pay. T/T (HSBC) and PayPal, Western Union is our most commonly
used method.3. Do you accept small orders?
A:Yes, don't be too small business. If you're a small retailer or starting a business, we'd definitely love to grow with you. We
look forward to building a long-term relationship with you.4. Do you have any product inspection procedures?
A: 100% self-test before packaging.5. What about the price? Can you get cheaper?
A: We always put the interests of our customers at the forefront. Prices are negotiable under different conditions and we assure you of the most competitive price.