This casing is intended for single use applications, or situations where the casing is left in the hole. The W casing is made from DCDMA C80 tubing and utilizes the DCDMA W thread form. Featuring a straight thread, this universal casing design can be used in any drilling application where threaded casing is required to be left in the ground.
Parallel wall tubing is compatible with QÆ wireline in-hole tools, and standard DCDMA W sizes allow ënestingí of other W casing.
Double-butt joint provides strength in driving and jarring.