Apparatus for dispensing chemicals into oil and gas wells
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United States of America Patent
Stats
-
Nov 22, 1988
Grant Date -
N/A
app pub date -
Jun 12, 1987
filing date -
Jun 12, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for automatically dispensing chemicals into the well bore of a hydrocarbon producing well utilizes a double acting cylinder and piston to sequentially operate a plurality of valves associated with the well. The handles of each valve have a spring steel tine secured thereto which engages with a portion of the piston shaft which actuates the operation of each valve.
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