- Drill Collarss with API 7K Cert
- 2016-11-01 00:18
- Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar
- Casing Pipes with API 5CT Cert (001)
- 2016-10-26 12:50
- PetroServices can Supply The Following Products. The casing specification is as following: Standards: API 5CTOutside Dia