drill collar

drill collar

[′dril ‚käl·ər]
(design engineering)
A ring which holds a drill bit and gives it radial location with respect to a bearing.
References in periodicals archive ?
Significant intersections from the 6 hole program are tabulated below and a drill collar plan is available on Northland's web site at www.
Attachments: Table 2 - Drill Collar Locations Figure 3 - To view map with location of drill holes, please visit www.
32 g/t gold cut) over 49 metres, from the drill collar to a depth of 49.
E[acute accent]Summary logs for the three holes completed to date are given below and a drill collar plan has been posted on the North American Gold website (www.
A drill collar map showing the locations of all holes drilled by Glamis is available on Radius' website (http://www.
A drill collar map showing the proposed first stage holes has been posted on the Radius Gold web site at www.
Grade data were composited in 6-meter vertical intervals from drill collar to the bottom of each hole.
A full table of results is attached to this release, including holes 001 to 004 (which were previously released in Northland's release dated September 14, 2005), and a drill collar plan has been posted on Northland's website at www.
Detailed interpretation of the data is ongoing, and will be used to optimize drill collar locations for the much anticipated drill program.
A plan map showing drill collar locations for the 2005 program may be viewed at http://www.