Audited Supplier
Roller Kelly Bushings can be classified as two types based on different ways of drive, square drive and pin drive.
Also they can be classified as three types based on different styles, heavy, medium and light-duty. They are used for 17½ to 49½inch rotary tables.
They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
| Model | Type | Drive Way | Applicable Size of Kelly(in) | |
| Square | Hex | |||
| HDS | Heavy Duty | Square Drive | 2-1/2"~6" | 3"~6" |
| 27-HDP | Pin Drive | 2-1/2"~6" | 3"~6" | |
| 20-HDP | 2-1/2"~6" | 3"~6" | ||
| RTM4 | Medium Duty | Square Drive | 2-1/2"~5-1/4" | 3"~4-1/4" |
| RTS4 | Light Duty | 2-1/2"~4-1/4" | 3"~4-1/4" | |
Sinotai Petroleum Equipment Co., Ltd (TS-SINOTAI) is established specially for serving Oil and Gas Industry by providing Drilling Equipment and Spare Parts. Our strength is at Drilling and Workover Rig, Rig Package and components such as TOP Drive, Traveling Equipment, Handling Tools, Well Control Equipment, as well expendable parts for Rigs, Mud Pump, BOP, Etc. All TS-SINOTAI equipment is API certified and have been well tested and commissioned before delivery.
TS-SINOTAI is capable of providing a broad spectrum of workover rigs (150HP-750HP) with service depth from 1000m to 8000m, drilling depth 1000m to 3000m. To deliver the first class customer service, we constantly develop special workover rigs through strong R&D capabilities to satisfy various customers' requirements. The No-Guyline and anchorless Workover Rig is designed to fit service well in desert and small spatial area. Multi-function equipment (e.g. Complex Flushby Unit, Snubbing Unit) improves the efficiency and reduces the cost for our customers through achieving workover, flushing, swabbing concurrently. For regions with alternative energy available, our Electric Drive Workover Rig allows customers to take advantage of flexible energy sources and minimize the environmental impact.
Principle of the company comes from taking "3H Standard" as responsibility to clients, which are "High Quality, High Safety, High Performance-cost Value", the true achievement lies in strict quality control, favorable price, prompt delivery and efficient after-sale service, reliable and stable supply to spare parts , TS-SINOTAI enjoys good reputation in oil & gas industry, sincerely we hope to have the opportunity to assist you as our customers, partners and friends, and demonstrate you the best in us.
1. Lead Time
Answer: We always have regular model stock, i.e. payment on delivery, which is our advantage. Batch production
depends on the number of orders.
2. Payment Terms
Answer: We accept all regular payment terms, including letters of credit, T/T, etc. 100% payment.
Please pay 30% T / T in advance for customization.
3. Packaging and Delivery
Answer: We use high quality export wooden boxes or you can customize.
4. Can we provide sample service?
Answer :We can provide sample service.
5.How do you guarantee your quality?
Answer: All of our production are in lines of ISO9001 and API 7-1 certifications, from
signing contract , to raw materials, to each production processes, to product finish, to after-sale service, each processes and sections are in accordant with standard.
