Detailed Product Description drill pipes in diameters of 50/60/73/89/114/127 millmeters(API CERTIFICATION)drilling joints in diameters of 68/78/105/121 millmetersdrill collar in diameters of 121/146/159/178geological drilling pipes in diameters of 42/50/60/73/89 millmetersdrilling joints in...

Detailed Product Description drill pipes in diameters of 50/60/73/89/114/127 millmeters(API CERTIFICATION)drilling joints in diameters of 68/78/105/121 millmetersdrill collar in diameters of 121/146/159/178geological drilling pipes in diameters of 42/50/60/73/89 millmetersdrilling joints in...

Detailed Product Description drill pipes in diameters of 50/60/73/89/114/127 millmeters(API CERTIFICATION)drilling joints in diameters of 68/78/105/121 millmetersdrill collar in diameters of 121/146/159/178geological drilling pipes in diameters of 42/50/60/73/89 millmetersdrilling joints in...

Detailed Product Description oil PDC bits  (6-17 1/2)1.Optimally designed bit profile for drilling soft to medium hard formations. 2.Cutting structure is force balanced, bit blade is asymmetrically designed, and spiral blade and spiral gage are also designed so that the load on bit is...

Detailed Product Description oil PDC bits  (6-17 1/2)1.Optimally designed bit profile for drilling soft to medium hard formations. 2.Cutting structure is force balanced, bit blade is asymmetrically designed, and spiral blade and spiral gage are also designed so that the load on bit is...

Detailed Product Description oil PDC bits  (6-17 1/2)1.Optimally designed bit profile for drilling soft to medium hard formations. 2.Cutting structure is force balanced, bit blade is asymmetrically designed, and spiral blade and spiral gage are also designed so that the load on bit is...

Detailed Product Description oil PDC bits  (6-17 1/2)1.Optimally designed bit profile for drilling soft to medium hard formations. 2.Cutting structure is force balanced, bit blade is asymmetrically designed, and spiral blade and spiral gage are also designed so that the load on bit is...

Detailed Product Description PDC bit can be divided to core bit, non-coring drilling bit and anchor bit. This kind of bit has the advantages of long useful life, high efficiency, wide using range, good gage protection, high cost performance and so on. It can drill under low pressure and...

Detailed Product Description PDC bit can be divided to core bit, non-coring drilling bit and anchor bit. This kind of bit has the advantages of long useful life, high efficiency, wide using range, good gage protection, high cost performance and so on. It can drill under low pressure and...

Detailed Product Description PDC bit can be divided to core bit, non-coring drilling bit and anchor bit. This kind of bit has the advantages of long useful life, high efficiency, wide using range, good gage protection, high cost performance and so on. It can drill under low pressure and...