|
First level |
Second level |
Third level |
Fourth level |
Fifth level |
categories |
|
Drilling rig services and pipe manufacture |
Drilling rig services |
Drilling equipment and tool rent services |
Drilling rig rent |
Drill pipe rent |
services |
|
Weighted drill pipe rent |
services |
|
Drill collar rent |
services |
|
Downhole tool rent |
Screw drilling tool rent |
services |
|
Turbine drilling tool rent |
services |
|
Absorber rent |
services |
|
Bumper rent |
services |
|
Equipments rent |
Top drive rent |
services |
|
BOP rent |
services |
|
Drilling rig and equipment sales |
PDC bit |
|
products |
|
Jar |
8in |
products |
|
6½in |
products |
|
6¼in |
products |
|
4¾in |
products |
|
Power slips |
PCS air slips |
products |
|
FG multifunctional power slips |
products |
|
Air casing elevator/adapter socket |
products |
|
Inspection and protecting technologies for drilling rig joint |
Drilling pipe grading, defect detecting service |
Electromagnetic inspection equipment for OEM drilling pipe |
products & services |
|
Drilling rig wearable zone surfacing services |
Welder of wearable zone (FYH—Ⅳ、Ⅴ、Ⅵ) |
products & services |
|
Welding wire |
products & services |
|
Pipe and drilling tool maintenance |
Pipe coating technology |
Internal coating of drill pipe |
|
services |
|
Internal coating of oil tubing |
|
services |
|
Drilling tool and pipe maintenance |
Drilling tool repair |
|
services |
|
Tubing repair |
|
services |
|
Casing repair |
|
services |
|
Drilling tool manufacture |
Manufacture of conventional weighted drill pipe and drill collar |
Weighted drill pipe |
3½in－5½in |
products |
|
Drill collar |
4¾in－11 |
products |
|
Drilling pipe manufacture |
Common drill pipe |
2⅞in－5½in |
products |
|
Sulfur proof drilling tool |
|
|
products |
|
Casing and tubing manufacture |
Casing |
Casing |
20in－5in |
products |
|
Casing coupling |
20in－5in |
products |
|
Casing joint |
20in－5in |
products |
|
Tubing |
Tubing |
2⅞in、3½in |
products |
|
Tubing joint |
2⅞in、3½in |
products |
|
Tubing coupling |
2⅞in、3½in |
products |
