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Coring Tools
The coring tools are used for acquisition of the rock core in petroleum drilling. Everytime one to three sections of inner barrels and outer barrels can be run in core drilling. They can be applied in soft , moderate and rigid rock formations.
Type | Up connection | Outer barrel size(mm) | Inner barrel size (mm) | Section | Core diamter (mm) |
O.D. x I.D. | O.D. x I.D. | ||||
CQX89-45 | 2 3/8"IF | 89 x 70 | 60 x 52 | 4600 | 45 |
CQX121-66 | 3 1/2"IF | 121 x93 | 85 x 72 | 9200 | 66 |
CQX133-70 | 3 1/2"IF | 133 x101 | 89 x 76 | 9200 | 70 |
CQX146-89 | 3 1/2"IF | 146 x 118 | 108 x 94 | 9200 | 89 |
CQX172-101 | 4 1/2"IF | 172 x 136 | 121 x 108 | 9200 | 101 |
CQX180-105 | 4 1/2"IF | 180 x 144 | 127 x 112 | 9200 | 105 |
CQX203-133 | 6 5/8"REG | 203 x 169 | 159 x 140 | 9200 | 133 |
