Pivoted tubing well connection
United States Patent 3041090
US Patent References:
/1059884.html
- - 1059884

Handle
- - 1772096

Light support
- - 2100058

Liner setter
- - 2158406

Drilling equipment
- - 2676787


Inventors:
Ashe, Robert E.
Haeber, John A.
Newman, Nicholas B.
Otteman, Lloyd G.
Publication Date:
06/26/1962
View Patent Images:
Assignee:
SHELL OIL CO
Primary Class:
Other Classes:
285/351, 166/367, 403/119
International Classes:
E21B17/08; E21B33/038; F16L39/00; E21B17/02; E21B33/03
US Patent References:
2735703
2788856Plunger arrangement for closing well casing