Core barrel- single tube/ double tube/ triple tube NQ, HQ, PQ, NQ2, HQ3, PQ3 T2, T6, LTK ... soft formations. Available diameter size 35-146mm. Wireline Triple Tube Core Brrels:Wireline triple tube core barrels are generally required in broken ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Core barrel assembly NQ, HQ, PQ, NQTT, HQWL, T2, T6, NMLC, HMLC