Accession Number:

ADA089699

Title:

Greenland Ice Sheet Program. 1979. Phase 1. Casing Operation.

Descriptive Note:

Special rept.,

Corporate Author:

COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH

Personal Author(s):

• Rand,John

Report Date:

1980-06-01

Pagination or Media Count:

21.0

Abstract:

A modified CRREL thermal drill was used at DYE-3 in Greenland to drill a 8.75-in.-diameter hole 251 ft deep for the installation of a steel casing. This activity was accomplished by a drill team from CRREL in preparation for the Danish deep drill tests. Included in this report is a description of both the drilling and casing operation as well as a description of the equipment used. Author

Descriptors:

• *DRILLING
• *LAND ICE
• STEEL
• BOREHOLES
• PIPES
• LININGS
• DRILLS
• GREENLAND
• WINCHES
• ICE CAPS

Subject Categories:

• Snow, Ice and Permafrost
• Machinery and Tools

Distribution Statement:

APPROVED FOR PUBLIC RELEASE