- Sell casing/oil well pipe
- 2017-01-15 17:09
- Casing/oil well pipe The oil well pipe is a general designation of bushing, oil pipe, drill pipe, rectangle drill pipe,
- drill pipe 2
- 2017-01-15 17:09
- The drilling pipe can meet the Stand of API, SPEC, 5D.It mainly contained two groups:1, E class drilling pipe,2, high st
- drill collar
- 2017-01-15 17:09
- The drill collars are the drilling tools used in oil well-drilling and geologic exploration. which manufactured accordin
- drill pipe 3
- 2017-01-15 17:09
- The drilling pipe can meet the Stand of API, SPEC, 5D.It mainly contained two groups:1, E class drilling pipe,2, high st
- Drilling pipe
- 2016-10-25 08:42
- The drilling pipe can meet the Stand of API, SPEC, 5D.It mainly contained two groups:1, E class drilling pipe,2, high