A technique for increasing the flow of oil and gas into a well. Hydrochloric acid is pumped into the oil-bearing rock. The acid dissolves limestone in the producing zone enlarging pores and flow into the well bore with less restrictions.
Involves using specially formulated acid blends to dissolve portions of the rock in the producing formation. Acidizing may also be used to clean out other unwanted materials and debris in order to maximize production.
The practice of applying acids to the walls of oil and gas wells to remove any material which obstructs the entrance of fluids. Also used in carbonate formations, such as limestone, to increase porosity.
A procedure in which acid (hydrochloric acid usually) is pumped into a reservoir to dissolve calcite so that increased flow from the reservoir will occur.
The treatment of formations with hydrochloric or other type acids in order to increase production or injection.
Pumping acid (usually hydrochloric acid) into a reservoir. As the acid dissolves calcite, the naturally occurring holes in the rock are opened and enlarged, allowing an increased flow from the reservoir. Limestones are frequently treated with acid. Sandstones may be treated with acid if they contain calcite. (The acid does not affect the quartz grains making up the sandstone.) See also Fracturing below.
The technique of pumping a form of hydrochloric acid down the well hole to enlarge the pore space in oil bearing rocks, thus increasing oil flow and recovery.
The technique of pumping acid down the wellbore to enlarge the pore space in hydrocarbon bearing rocks, thus increasing hydrocarbon flow and thus overall recovery
A method of improving porosity and permeability of a reservoir by injecting acid under pressure to dissolve reservoir rock.
Treatment of oil-bearing limestone or carbonate formations with a solution of hydrochloric acid and other chemicals to increase production. The acid is forced under pressure into the formation where it enlarges the flow channels by dissolving the limestone.