Product Description
Wireline double tube core barrels are available in BQ NQ HQ PQ SQ standards, which is composed of outer tube group & inner tube group. However, diamond bit & reaming shell are not included when pricing.
Outer tube group is composed of locking coupling, adaptor coupling, landing ring, outer tube, stabilizer, reaming shell & bit. Outer tube is available in 3M & 1.5M.
Inner tube group is composed of head assembly, inner tube, stop ring, core lifter, core lifter case. Inner tube is available in 3 & 1.5M.
Detailed Photos

Product Parameters
Drill Rods: BQ, NQ, HQ, PQ, SQ; NRQ, HRQ, NHD, HHD, PHD
Casings: AW, BW, NW, HW, HWT, PW, PWT, SW; AX, BX, NX, HX, PX, SX
Lengths: 1.5M, 3M
Both Ends Heat Treated
Non-standard also can be made as your demand










