Title:
Oil well bottom hole flow increasing unit
United States Patent 2703621
US Patent References:
Method for cleaning and treating oil and gas wells
- - 1439560
/1726041.html
- - 1726041
Oil extracting device
- - 1820291
Oil well heater
- - 1915895
Method of and apparatus for flowing wells
- - 2186035
Method for cleaning and treating oil and gas wells
- - 1439560
/1726041.html
- - 1726041
Oil extracting device
- - 1820291
Oil well heater
- - 1915895
Method of and apparatus for flowing wells
- - 2186035
Inventors:
Ford, George W.
Publication Date:
03/08/1955
View Patent Images:
Export Citation:
Assignee:
Ford, George W.
Primary Class:
Other Classes:
392/301, 166/62
International Classes:
E21B36/04; E21B36/00
US Patent References:
| 2548360 | Electric oil well heater |