Roller Centralizer
Your Professional Roller Centralizer Supplier
A-One Oil is a well-known high-tech enterprise established in 2018, located in Xi'an, the city known as the R&D center for China's petroleum logging equipment. It provides customers with well-designed, fairly priced logging instruments for vertical and horizontal wells, logging acquisition systems, and software for interpretation and processing.
Why Choose us
Complete Product Qualifications
A-One Oil is a national High-Tech Enterprise, have passed the "Dual-Software Certification", and own a series of Patents Certificates related to our products.
24/7 After-Sales Service
We are committed to providing round-the-clock after-sales support, ensuring prompt response and efficient resolution of various customer issues. On-site operations and data interpretation are conducted in close coordination with our clients.
R&D Professional Experience Over 30 Years
Our core R&D team has accumulated extensive experience through over 30 years of dedicated development in oil logging equipment. This deep industry expertise enables us to maintain a forward-looking perspective and deliver innovative solutions.
Parameter
|
General Specs |
|
|
Temperature Rating |
555℉(292℃) |
|
Pressure Rating |
100MPa (14500psi) |
|
Diameter |
70mm (2 3/4″) |
|
Tool Weight |
15kg (33lb) |
|
Tool Net Length |
965mm (38″) |
|
Centralizing Force |
25kg (55lb) |
|
Opening Range |
70~254mm (2 3/4~10″) |
|
On-state Resistance |
<0.5Ω |
|
Insulation Resistance |
>20MΩ |
|
Upper Joint Connection |
13-Core (Convertible GO Type) |
|
Lower Joint Connection |
13-Core (Convertible GO Type) |
Features of Roller Centralizer

The roller centralizer features a rational design that facilitates easy maintenance and long-term reliability.

The anti-rotation spiral ring design simplifies tool connection and disassembly, while minimizing the risk of unintended loosening.

It ensures effective centralization of logging tools across various well deviation angles.

Customized connection types can be provided in accordance with client specifications.
Well Completion and Cementing
Casing Centralization: Ensures uniform distribution of the cement sheath, thereby enhancing cementing quality and zonal isolation.
Reduction of Casing Running Risks: Prevents casing blockage or sticking during deployment, improving operational efficiency and safety.
Workover and Logging
Workover Operations: Provides auxiliary support for tool deployment and effectively reduces wear caused by contact with the wellbore.
Logging Instrument Guidance: Facilitates smooth passage of logging tools through complex well sections, ensuring accurate data acquisition.

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
The time frame of an order delivery is divided into two parts:
Processing time: 7-14 Days
Shipping time: 20~30 Days
Shipping methods:
DDP, DAP, EXW, etc.
Shipping fee:
The shipping fee will be changed according to every pacel's weight.
Our Certificate




FAQ
We're professional roller centralizer manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy roller centralizer in stock here from our factory. For price consultation, contact us.
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