China Factory Suppliers of API 7K-Compliant Precision Engineered Drill Pipe Slips for Oilfield Operations
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 do you offer?
We offer a comprehensive range including Drill Pipe Slips, Casing Slips, Drill Collar Slips, Flake Rotary Slip Type W, and Pneumatic Slips to suit various drilling applications.
How does the Quick-Change Insert feature benefit operations?
Our modular design with interchangeable inserts allows for rapid replacements, reducing maintenance time by up to 30% and significantly improving overall operational efficiency.
Are your slips tested for quality and safety?
Yes, all critical components undergo 100% NDT (Non-Destructive Testing) such as magnetic particle or ultrasonic testing, and are hydraulically pressure tested in full compliance with API 7K specifications.
What is the rated load for the SDXL Drill Pipe Slips?
The SDXL series Drill Pipe Slips are designed for heavy-duty operations and feature a maximum rated load of 2250 kN.
What air pressure is required for the Pneumatic Casing Elevator/Slips?
Our pneumatic slip systems require an operating air pressure ranging from 0.5 to 0.9 MPa to ensure safe and fast handling of tubulars.
Can the Flake Rotary Slip Type W handle different tubulars?
Yes, the Type W is a highly versatile slip that can accommodate drill pipes, drill collars, and casings simply by adjusting the corresponding inserts or bowls.