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Side hole drilling in boreholes
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 1980 |
| Description | Apparatus for use in a borehole or other restricted space to bore a side hole into the strata surrounding the borehole, including a flexible shaft with a drill at its end, and two trains of sheathing members that can be progressively locked together into a rigid structure around the flexible shaft as it is directed sidewardly into the strata. |
| File Size | 633062 |
| Page Count | 9 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20080004076 |
| Archival Resource Key | ark:/13960/t6j14vn1m |
| Language | English |
| Publisher Date | 1980-10-07 |
| Access Restriction | Open |
| Subject Keyword | Mechanical Engineering Drilling Cavities Patents Shafts Machine Elements Boreholes Strata Ntrs Nasa Technical Reports ServerĀ (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |