OEM Customized Rotary Drill Pipe - Concentric Casing System – TDS
OEM Customized Rotary Drill Pipe - Concentric Casing System – TDS Detail:
A driver bit and a ring are assembled to a complete concentric system bit which is suit for 114-1067mm diameter tube.
Advantage:
1. Enhance penetration and perpendicularity
2. Reduce torque requirements
3. Deal with straight, oblique hole and other angle holes
4. Lowest effect with environment
2. Reduce torque requirements
3. Deal with straight, oblique hole and other angle holes
4. Lowest effect with environment
External dia.(mm): 125/155/188/215/238/276/293/345/375/432…1090
Casing dia.(OD*ID,mm): 114*102/139*127/168*153/194*181…1067*1041
Casing dia.(OD*ID,mm): 114*102/139*127/168*153/194*181…1067*1041
Outer Dia Of Casing Tube (mm)
|
Inner Dia Of Casing Tube(mm)
|
Reamed Dia(mm)
|
Min Inner Dia Of Casing Shoe(mm)
|
Drill Pipes(mm)
|
Max.Outer Dia of Normal Bit(mm)
|
114
|
101-103
|
127
|
91
|
76
|
77
|
127
|
114-116
|
136
|
101
|
76
|
82
|
140
|
124-127
|
152
|
117
|
76
|
92
|
146
|
127-132
|
154
|
117
|
76
|
105
|
168
|
149-155
|
184
|
140
|
76
|
105
|
178
|
159-165
|
194
|
150
|
76.89
|
125
|
193
|
173-180
|
206
|
164
|
76.89
|
140
|
219
|
199-206
|
234
|
184
|
89.114
|
150
|
244
|
224-231
|
260
|
210
|
89.114
|
165
|
273
|
251-257
|
305
|
240
|
114
|
190
|
323
|
301-310
|
348
|
284
|
114.127
|
220
|
406
|
382-388
|
440
|
364
|
127
|
255
|
457
|
433-439
|
488
|
413
|
140
|
340
|
508
|
484-490
|
538
|
464
|
140
|
385
|
558
|
534-540
|
590
|
514
|
140
|
440
|
610
|
586-592
|
642
|
566
|
140
|
485
|
660
|
636-642
|
694
|
615
|
168
|
540
|
711
|
687-693
|
745
|
665
|
168
|
590
|
762
|
738-744
|
798
|
716
|
168
|
640
|
863
|
839-845
|
900
|
815
|
168
|
685
|
Product detail pictures:



Related Product Guide:
We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for OEM Customized Rotary Drill Pipe - Concentric Casing System – TDS , The product will supply to all over the world, such as: Melbourne, Nairobi, Marseille, With the highest standards of product quality and service, our products have been exported to more than 25 countries like the USA, CANADA, GERMANY, FRANCE, UAE, Malaysia and so on.We are very pleased to serve customers from all over the world!

The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!

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