Well Drilling Bwl Core Barrel Head Assembly
BQ BQU series diamond coring core barrel head assembly BQ NQ HQ PQ BQU NQU HQU Wireline core barrels are used when coring to greater depths, mainly because they eliminate the need to couple and uncouple the rod string each time the core is retrieved. An overshot device is dropped on a cable and directly couples onto the inner tube assembly, allowing fast retrieval of the core after each core run. Available in DCDMA sizes B, N, H. and P. Shell Reamer Set Core Barrel For Geological Core Barrel Of Diamond Core Driller Core Barrel Overshot Core Barrel&Overshot Specification Core Barrel Type B W/L N W/L H W/L P W/L Hole Diameter (mm) 59.9 75.7 96.3 122.8 Core Diameter (mm) 36.4 47.6…
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