China API 7K-Compliant Slip Suppliers - Precision-Engineered Slips 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.
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 (FAQ)
What types of slips are included in your product range?
Our comprehensive product line includes Drill Pipe Slips, Casing Slips, Drill Collar Slips, Flake Rotary Slips Type W, and Pneumatic Slips, which are designed to suit a wide range of drilling needs.
What is the primary function of a Drill Pipe Slip?
A Drill Pipe Slip is a specialized handling tool engineered to securely grip and suspend the drill pipe during tripping operations in the wellbore.
How do you ensure the quality and reliability of your slips?
We perform 100% NDT (Non-Destructive Testing) Inspection, involving magnetic particle or ultrasonic testing on all critical components. We also conduct hydraulic pressure tests in full compliance with API 7K specifications.
What are the main benefits of Quick-Change Inserts?
Our slips feature a modular design equipped with interchangeable Quick-Change Inserts. This design reduces maintenance time by up to 30%, which significantly enhances overall operational efficiency.
Are the Pneumatic Slips compatible with standard rotary tables?
Yes, our Pneumatic Slips are air-actuated systems that are fully compatible with standard rotary tables, ensuring faster and safer handling of tubulars during operations.