Johnson’s Muni-Pak screens provide
numerous unique features, advantages
and benefits for the contractor and the
well owner.
• The pre-packed construction of
Muni-Pak screens allows the use of
a smaller borehole versus gravelpacked
filtering, with fewer cuttings,
reduced circulating volume and
increased uphole velocity. This
feature lowers bit and cement costs
and reduces the drilling time.
• Since the media is included as
part of the screen package, gravel
placement is not required—
eliminating bridging filter packs
and time spent packing, as well as
reduction of equipment requirements.
The results are reduced installation
time and lower costs.
• The Muni-Pak’s dual-screen
construction is four times
stronger than standard rod-based
screens, allowing more aggressive
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development and better immunity
to unexpected hole problems—
providing lower costs.
• A thinner filter pack results in
a smaller annulus for easier
development and rehabilitation
of the near-well area over time,
better formation penetration and The
benefits are a perfect media pack,
reduced site time and lower risk.
• The wide range of diameters
(1-1/4 to 20 in.) and connections
(weld rings or threaded fittings)
provides flexibility for meeting most
application needs with a variety of
standard or custom-end fittings—
offering easier adaptation for a wide
array of uses.
• The continuous-slot construction
provides maximum open area,
optimizing development and
redevelopment. The result is
thorough development.
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• With custom lengths up to 40 ft
with no mid-weld, on-site welding
requirements are reduced; thus,
minimizing field assembly time and
associated costs.
• Multiple wire-size and filter-media
options enable custom applications
and maximum depth capabilities,
providing a wide range of uses.
• Carbolite ceramic media improves
efficiency by offering excellent
roundness and sphericity; a lower
uniformity coefficient for better
hydraulic conductivity; better flow
characteristics than silica sands; less
buildup of biofilm and encrustation;
and easier media cleaning than with
irregularly shaped silica sand grains.
• Muni-Pak is suitable as a liner in
existing well construction, eliminating
the need for constructing a new well
and saving the cost of a new well more
aggressive development.
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