Calibrators
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Are purposed to calibrate and to reamer boreholes areas, to center drill instrument, optimize BHA work. Have the following modifications:
1) for rock formations of l-lll category of hardness "CT" - are equipped with just hard alloy tips;
2)for rock formations of III-IV category of hardness "CTK" - are equipped with hard alloy tips and hard alloy dowels, impregnated with diamond grains;
3) for rock formations of V-VI category of hardness "TK" - are equipped only with hard alloy dowels, impregnated with diamond grains.
Spiral calibrators "ÊÑ" are produced with left spiral "KLC". Other types and sizes are possible upon customers request.
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Standard size |
Outside diameter, mm/In |
Coupling thread* |
GOST 28487-90 |
API 7 |
| Straight-bladed Calibrator |
| KP-122,8 |
122,8/ 47/8 |
Ç-76 |
21/2 Reg |
| KP-123,8 |
123,8/ 47/8 |
Ç-76 |
21/2 Reg |
| KP-143,9 |
143,9/ 55/8 |
Ç-88 |
31/2 Reg |
| KP-145,9 |
145,9/ 5s |
Ç-88 |
31/2 Reg |
| KP-150 |
150/ 6 |
Ç-88 |
31/2 Reg |
| KP-152 |
152/ 6 |
Ç-88 |
31/2 Reg |
| KP-154 |
154/ 6 |
Ç-88 |
31/2 Reg |
| KP-155 |
155/ 61/8 |
Ç-88 |
31/2 Reg |
| KP-155,6 |
155,6/ 63/4 |
Ç-88 |
31/2 Reg |
| KP-189 |
189/ 71/2 |
Ç-117 |
41/2 Reg |
| KP-214 |
214/ 83/8 |
Ç-117 |
41/2 Reg |
| KP-215 |
215/ 81/2 |
Ç-117 |
41/2 Reg |
| KP-241 |
241/ 91/2 |
Ç-117 |
41/2 Reg |
| KP-242,5 |
242,5/ 91/2 |
Ç-117 |
41/2 Reg |
| KP-244,5 |
244,5/ 95/8 |
Ç-117 |
41/2 Reg |
| Spiral Calibrators |
| ÊÑ-123,8 |
123,8 |
Ç-76 |
27/8 Reg |
| ÊÑ-124 |
124 |
Ç-76 |
27/8 Reg |
| ÊÑ-124,5 |
124,5 |
Ç-76 |
27/8 Reg |
| ÊÑ-139,7 |
139,7 |
Ç-88 |
31/2 Reg |
| ÊÑ-142,9 |
142,9 |
Ç-88 |
31/2 Reg |
| ÊÑ-143,9 |
143,9 |
Ç-88 |
31/2 Reg |
| ÊÑ-145,9 |
145,9 |
Ç-88 |
31/2 Reg |
| ÊÑ-155,6 |
155,6 |
Ç-88 |
31/2 Reg |
| KC-188,9 |
188,9 |
Ç-117 |
41/2 Reg |
| KC-210 |
210 |
Ç-117 |
41/2 Reg |
| KC-212 |
212 |
Ç-117 |
41/2 Reg |
| KC-214,3 |
214,3 |
Ç-117 |
41/2 Reg |
| KC-215,9 |
215,9 |
Ç-117 |
41/2 Reg |
| ÊÑ-244,5 |
244,5 |
Ç-152 |
65/8 Reg |
*Other types of coupling threads are upon request.
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