Pressure regulated chemical injection system

Details Pressure regulated chemical injection system Pressure regulated chemical injection system

1992-02-04

1993-05-11

Neuder, William P.

Wells

Processes

Placing fluid into the formation

166 90, 166902, E21B 3706

Patent

active

052093000

ABSTRACT:
An apparatus and method for injecting chemicals into a hydrocarbon producing well is disclosed. The invention includes a vessel which holds the chemical and a pressurized gas which exerts a pressure on the chemical. A pressure regulator and a valve selectively control the injection of the chemical into the well as the pressurized gas urges the chemical out of the vessel. The pressurized gas drives the chemical through the regulator, valve, and into the well without venting the chemical or pressurized gas into the ambient environment.

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