Subsurface earth formation treating tool
United States Patent 3191697
US Patent References:
Packer
- - 2156939

Subterranean boring
- - 2258001

Sample taking apparatus
- - 2285024

Well packer
- - 2399125

Oil well tool
- - 2404876


Inventors:
Haines, Marcus W.
Publication Date:
06/29/1965
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Assignee:
MCGAFFEY TAYLOR CORP
Primary Class:
175/81
Other Classes:
175/82, 175/424
International Classes:
C09K8/72; E21B7/06; E21B7/18; E21B43/25; C09K8/60; E21B7/04
US Patent References:
2456331Core barrel
2539047Side drill
2699920Apparatus for drilling laterally deviating bores from a vertical bore below a casing set therein