China Insert Tricone Rotary Bit Water Well Drilling Equipment

Insert Tricone Rotary Bit water well drilling equipment
Available sizes: From 2 7/8 to 26"
Advantage: Most favourable price and high quality
Bearing type: Sealed bearing and non-sealed bearing
metal sealed journal bearing
Rubber sealed journal bearing
Cutting structure: The back cone and the teeth all surface is are hardfaced strengthening, improved steel tooth shape and welding materials, showing teeth higher
Application formation: Soft with low compressive strength and high drillability, such as shale, clay, salt bed and etc
All our activities are accredited to ISO 9001: 2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.

Rock formationBit typeBit sizeDrilling weightRotary speedmminchkN/mmr/minVery softSoft Marl, Clays, Sands, Salts etc.1187.3~346.17 3/8~13 5/8441~735120~50softClays, Soft Shale, Marl, Sands, Salts etc.295.2~174.63 3/4-6 7/8245-490100-50187.3~346.17 3/8-13 5/8490-78490-40Medium softShale, Marl, Sandstone, Soft Limestone etc.395.2~174.63 3/4-6 7/8245-49080-40187.3~311.17 3/8- 12 1/4490-78480-40mediumHard Shale, Limestone, Medium/Hard Sandstone etc.495.2~174.63 3/4-6 7/8294-53980-60187.3~241.37 3/8-9 1/2539-83360-40medium hardHard Dolomite, Limestone, Hard Sandy, Rock etc.595.2~174.63 3/4-6 7/8294-53980-60187.3~241.37 3/8-9 1/2539-83360-40hardSandy, Shale, Quartzite, Hard Dolomite, Hard Sandstone etc.695.~-174.63 3/4-6 7/8294-53980-40187.3-215.97 3/8-8 1/2580-88260-40Very hardQuartzite, Chert, Basalt Granites, Pyrites etc.795.2-174.63 3/4-6 7/8294-53980-40