- fixed diameter hole opener
- 2016-09-27 16:24
- TIANHE Fixed Diameter Hole Openers are used for expanding the drilled hole.The cutters are manufactured under the severe
- zsj/zxj hydraulic &mechanical drilling jar
- 2016-09-27 15:24
- The drilling jar connecting with drill tool and working with drill strings is a downhole stuck freeing tool in drilling
- zsj/zxj hydraulic drilling jar
- 2016-09-27 15:24
- The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar , both can be used mutually or
- integral blade stabilizer
- 2016-09-27 13:20
- TIANHE Integral Blade Stabilizer (IBS) is a one piece rotating stabilizer which can be placed near bit or up in the dril
- non-magnetic drill collar
- 2016-09-27 13:20
- TIANHE Non-magnetic Drill collars are made from Non-magnetic steel bars with low-strength by combining a proprietary che
- heavy weight drill pipe
- 2016-09-27 13:19
- Heavy Weight Drill Pipe (short for HWDP) is an intermediate weight drill stem component which is used in conjunction wit
- drill pipe
- 2016-09-27 13:18
- Tian he provides a complete line of drill string products including a full range of jointed dril pipe in normal size fro
- rotary kelly
- 2016-09-27 11:58
- kelly is the driving part of whole drill string ,it transmit the torsional energy from the rotary table to the bit in th
- circulating sub
- 2016-09-27 11:57
- The circulating sub is connected between wellhead pipe string and ground circulating system. When casing is running or f