China API 7K-Compliant Slip Manufacturing - Precision Engineered by Leading Suppliers and Factory
Product Range for Different Applications
Drill Pipe Slip
Handling tool designed to grip and suspend drill pipe during tripping operations.
Casing Slip
Used for running and suspending casing in wellbores during casing operations.
Drill Collar Slip
Designed to safely handle drill collars without damaging their outer surface.
Flake Rotary Slip Type W
Versatile slip suitable for drill pipes, collars, and casings by adjusting inserts or bowls.
Pneumatic Slip
Air-actuated slip system compatible with standard rotary tables for faster and safer handling of tubulars.
Product Features
100% NDT Inspection: All critical components are subjected to magnetic particle or ultrasonic testing.
API 7K Hydraulic Testing: Pressure tests are conducted in compliance with API 7K specifications.
Quick-Change Inserts: Modular design with interchangeable inserts reduces maintenance time by up to 30%, improving operational efficiency.
SLIPS Specification
| Drill Pipe Slips | |||
|---|---|---|---|
| Type | Slip Body Size (in) | Pipe OD (in) | Rated Load (kN) |
| SDS | 3 1/2 | 2 3/8-3 1/2 | 675 |
| 4 1/2 | 3 1/2-4 1/2 | ||
| SDML | 3 1/2 | 2 3/8-3 1/2 | 1125 |
| 4 1/2 | 3 1/2-4 1/2 | ||
| 5 | 4-5 | ||
| 5 1/2 | 4 1/2-5 1/2 | ||
| SDXL | 4 1/2 | 3 1/2-4 1/2 | 2250 |
| 5 | 4-5 | ||
| 5 1/2 | 4 1/2-5 1/2 | ||
| Drill Collar Slips | ||
|---|---|---|
| Type | Handling OD (in) | Insert Bowl No. |
| DCS-S | 3-4 | API or No.3 |
| 4-4 7/8 | ||
| DCS-R | 4 1/2-6 | |
| 5 1/2-7 | ||
| DCS-L | 6 3/4-8 1/4 | |
| 8-9 1/2 | ||
| 8 1/2-10 | No.2 | |
| 9 1/4-11 1/4 | ||
| 11-12 3/4 | No.1 | |
| 12-14 | ||
| Casing Slips | ||||
|---|---|---|---|---|
| Casing OD (in) | 4 1/2-8 5/8 | 9 5/8-10 3/4 | 11 3/4-13 3/8 | 16-30 |
| Insert Bowl No. | API or No.3 | No.2 | No.1 | Matching Bushing |
| Pneumatic Casing Elevator / Slips | ||||||
|---|---|---|---|---|---|---|
| Model | QD622-450 (API500) | QD340-450 (API500) | QD340-315 (API350) | QD140-135 (API150) | ||
| Applicable Range | mm | 324-622 | 113-340 | 113-340 | 60-139.7 | |
| Rated Load | kN | 4500 | 4500 | 3150 | 1350/900 | |
| Air Pressure | MPa | 0.5-0.9 | 0.5-0.9 | 0.5-0.9 | 0.5-0.9 | |
| Size | Elevator | mm | 1886×1470×1070 | 1390×1290×915 | 1335×1040×806 | 990×730×550 |
| Slip | mm | 1886×1470×970 | 1390×1290×970 | 1335×1040×872 | 810×730×560 | |
| Weight | kg | 12000 | 9900 | 7550 | 1430 | |
Frequently Asked Questions
What types of slips are included in your product range?
We offer a comprehensive range including Drill Pipe Slips, Casing Slips, Drill Collar Slips, Flake Rotary Slip Type W, and Pneumatic Slips to cover various drilling operations.
What is the advantage of the Flake Rotary Slip Type W?
The Flake Rotary Slip Type W is highly versatile. By simply adjusting the inserts or bowls, it can be seamlessly adapted for handling drill pipes, collars, and casings.
Are your products rigorously tested for quality?
Yes, we ensure 100% NDT (Non-Destructive Testing) Inspection for all critical components using magnetic particle or ultrasonic testing. Additionally, we conduct API 7K Hydraulic Testing.
How do Quick-Change Inserts benefit my operations?
Our modular design features interchangeable inserts that can reduce maintenance time by up to 30%, significantly improving your overall operational efficiency.
What pipe sizes can your Drill Pipe Slips accommodate?
Depending on the model (SDS, SDML, or SDXL), our Drill Pipe Slips can accommodate pipe outer diameters ranging from 2 3/8 inches up to 5 1/2 inches.
What is the rated load for the Pneumatic Casing Elevator/Slips?
The rated load varies by model, starting from 1350/900 kN for the QD140-135 model, up to 4500 kN for our heavy-duty QD622-450 and QD340-450 models.






