Heavy duty and Wireline wrenches are the best solution to avoid damaging to the core barrels.
| Outer tube | Inner tube |
|---|---|
| T2 46 | T2 56 |
| T2 56 | T2 66 |
| T2 66 | T2 76 |
| T2 76 | T2 86 |
| T2 86 | T6 101 |
| ASTA HQ | T2 101 |
| CHIAVE 101 | T6 116 |
| T6 116 | T6 131 |
| T6 131 | T6 146 |
| T6 146 | ASTA GBS |
| Min-max diam | Outer tube | Inner tube |
|---|---|---|
| 45 – 47 | BQ | |
| 54,5 – 56 | BQ | |
| 57 – 60 | NQ | |
| 73 – 77,5 | NQ | HQ |
| 95,3 | HQ | |
| 92 – 96 | PQ | |
| 117 – 122 | PQ | GBS |
| 139,7 – 146 | GBS |
Tel. ++39 039 2848400
E-mail: info@geomarcsrl.it
Via Velleia 3
20900 Monza – MB – Italia
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