China Suppliers for API 7K-Compliant Slip Manufacturing - Precision Engineered Drill Pipe Grips from a Reliable 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 to ensure reliability.
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 applications are your slip models designed for?
Our product line includes Drill Pipe Slips, Casing Slips, Drill Collar Slips, Flake Rotary Slips Type W, and Pneumatic Slips. These are engineered to suit a wide range of drilling and tripping operations, ensuring safe and efficient handling of various tubulars.
What makes the Flake Rotary Slip Type W versatile?
The Flake Rotary Slip Type W is a highly versatile tool that can be used for drill pipes, drill collars, and casings simply by adjusting its inserts or bowls, making it a comprehensive solution for different drilling requirements.
How do Pneumatic Slips improve operational efficiency?
Pneumatic Slips are air-actuated systems that are fully compatible with standard rotary tables. They allow for much faster and safer handling of tubulars, significantly reducing manual labor and operation time.
What quality control standards do your slips meet?
Quality and safety are our top priorities. All critical components undergo 100% NDT (Non-Destructive Testing) utilizing magnetic particle or ultrasonic methods. Additionally, our products undergo strict hydraulic pressure tests in compliance with API 7K specifications.
How does the quick-change insert design benefit my operations?
Our slips feature a modular design with interchangeable inserts. This innovative quick-change capability reduces maintenance downtime by up to 30%, which directly translates to improved operational efficiency and cost savings on the rig.