Apparatus for increasing flow in oil and other wells
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United States of America Patent
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Jun 8, 1993
Grant Date -
N/A
app pub date -
Jul 30, 1991
filing date -
Jul 30, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An injection valve for use in a well, for example, an oil well, enables gas to be injected to cause the oil or other fluid to be lifted to the surface. The valve has a valve body having an inlet at one end and an outlet at the other end, which are adapted to be fitted into conventional production oil tubing. Within the valve body, there are a plurality of ducts extending through between the inlet and the outlet, for the flow of oil or other fluid. A gas injection port opens into the outlet of the valve body and there is at least one gas inlet opening in the side of the valve body, which is connected to that gas injection port. This enables compressed gas to be sent down the well between the casing and the tubing, and injected through the gas injection port into the flow of oil.
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