Wireline Core Barrel Head Assemble

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.

Wireline drill tools can lift drill core from drill rods without picking up bits.All the tools include principal parts of the drill tools,overshotassembly ,drill rods.holding dog,circle wrench and etc,their advantages are higher penetration,higher core recovery ratio.longer bit life and lower our ab intensity,and the advantages get more clear with the increasing of hole depth.