The method of the present invention employs a subsurface production pump to displace
hydrocarbon fluid, including any and all accompanying ground water and / or earthen contaminants, from the subterranean
hydrocarbon reservoir depth of an
oil well to surface storage and handling facilities via the subsurface
production tubing,
wellhead and surface flow line. As the subsurface production pump operates, compressed gas, or a mixture of compressed gases of sufficient volume and force is fed into the lower end of the subsurface
production tubing in proximity to, or at a point above the subsurface production pump to mix into the
hydrocarbon production fluid column. The
resultant and considerably reduced density of the subsurface hydrocarbon production fluid column provides a reduction of subsurface production pump loading with all types of subsurface production pumps, and an improvement of
sucker rod fall time when
sucker rod activated subsurface
plunger pumps are employed. Due to the additional cubic volume of the injected compressed gas, the increased hydrocarbon production fluid and gas velocity within the subsurface
production tubing and the surface flow line improves hydrocarbon
fluid shear from the conduit walls and
sucker rod surfaces, and prevents earthen contaminants such as sand, clay, shale,
coal or other rock fragments, from precipitating, accumulating and blocking the flow of hydrocarbon production fluid within the subsurface production tubing and the surface flow line.