Bema employed Longyear 38, Longyear 44 and Russian CKB-4 and SKB-4 drills. The
Longyear rigs drilled PQ (85 mm), HQ (63.5 mm) and NQ (45 mm) diameter core; the
Russian rigs drilled NQ diameter core. Four drill rigs were operated by Boart Longyear;
these were partially staffed by Boart Longyear-trained Russian drillers. Two drills were
operated by personnel from The Anyusk State Mining and Geological Enterprise and
fully staffed by Russian crews, with the exception of a Boart Longyear trainer.