Apparatus for preparing a well casing for sidetrack drilling
United States Patent 2633331
US Patent References:
Whip stock
- - 1835227
Sidetracking apparatus
- - 2081294
Well bridging, cementing, whipstock, and milling apparatus
- - 2100684
Apparatus for deflecting drill holes
- - 2167194
Whipstock
- - 2227347
Whip stock
- - 1835227
Sidetracking apparatus
- - 2081294
Well bridging, cementing, whipstock, and milling apparatus
- - 2100684
Apparatus for deflecting drill holes
- - 2167194
Whipstock
- - 2227347
Inventors:
Harry, Hampton
Publication Date:
03/31/1953
View Patent Images:
Export Citation:
Assignee:
Harry, Hampton
Primary Class:
Other Classes:
175/82, 166/215
International Classes:
E21B7/06; E21B17/05; E21B29/06; E21B7/04; E21B17/02; E21B29/00
US Patent References:
| 2316409 | Oil well straightener |