Honigmann process

Honigmann process

[′hän·ik·män ‚präs·əs]
(mining engineering)
A method of shaft sinking through water-bearing sand; the shaft is bored in stages, increasing in size from the pilot hole, about 4 feet (1.2 meters) in diameter to the final size.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.