The reagents in our
chemical solutions and their concentrations, as well as
treatment
techniques and sequence of applications, vary depending on the
geological and reservoir data, core analysis, former well completion
technique,
its performance and installed production equipment.
The subject application is designed to increase
the filtration surface of the well and result in
the uniformly distributed dilution capillaries
and cavities in the formation. The volumes
provide dilution of the clogging/cementing
materials within a relative sphere of 10-15 ft
in diameter at the bottom hole. Multiple
Acid Reagents are
used for Sequential
Reactions in
vertical wells and Cycled
Sequential Reactions in
horizontal wells.
Considerations
Controlled
Parameters
A set of
chemicals
Concentrations
in compositions
A set of
chemical solutions
Reactive
volumes
Mixing
procedures
Sequence of
applications
Preceding
Conditions
Pumping
Rate/Pressure
Back
pressure drop over time of reactions
Volumes of
slurry, mud and emulsions lifted up
in the daylight
Content of
clay and aleurolitic
sand
Acidity of
the resulted liquids
The effective water
screening technique is applied before or after
stimulation, if necessary.
