Title:
Mechanical apparatus to inject fluids into wells in batches
United States Patent 2637469
US Patent References:
/1075261.html
- - 1075261

Fluid-feed apparatus
- - 1645686

Well apparatus
- - 1737248

Chemical pump
- - 2047414

Chemical feeding apparatus and automatic control therefor
- - 2163436


Inventors:
Clay Jr., James A.
Publication Date:
05/05/1953
View Patent Images:
Assignee:
Clay Jr., James A.
Primary Class:
Other Classes:
137/572, 251/230, 222/450, 137/87.010, 137/624.180, 137/583, 137/169
International Classes:
E21B41/02; E21B43/00; E21B41/00