Description
API type TH pumps are heavy wall, stationary barrel, bottom anchor design
tubing pumps. Available with either 3 cup type hold down (THC) or with a
mechanical lock hold down (THM), TH pumps give the largest possible bore size
for a given tubing size, meaning the maximum amount of displacement with each
stroke and therefore the greatest possible production.
TH API tubing pumps are heavy-walled, stationary barrel pumps recognized by
API as a standard design. They are often used in wells that produce more fluid
than an insert rod pump can accommodate. Unlike insert pumps, the working barrel
of these pumps is a section of the tubing string, which enables them to displace
more fluid than insert pumps. The hold down is an independent piece that is
typically inserted in the assembly prior to field delivery. The travelling
assembly is installed on the end of the sucker rod string. Tubing pumps include
a mechanism on the bottom end of traveling assembly to retrieve the hold down
assembly should the valve require repair.
The API-Type TH tubing pumps feature heavy-walls and full-barrels.
These pumps can be assembled with:
• Box-end and pin-end plungers;
• Cup-type or mechanical seating assemblies;
• Tap-type or lock-type, standing-valve pullers;
The all-metal, thick-wall barrel tubing pump combines heavy-duty construction
and stroke design to achieve maximum output for any given tubing size. The
integral plunger cylinder eliminates the joints that are prone to failure under
the working load, and carries out precision honing from end to end to ensure
that the plunger has perfect holes and improve the pumping efficiency.
APPLICATION:
These pumps are recommended for the following applications:
• Wells where greater capacity is needed in a given tubing size
• Wells of any depth with severe pumping conditions
• Wells with scale problems
• Deep wells
FEATURES:
Thick-wall,integrated barrel with special coupling provides good sealing and
superior assembly strength and stiffness, and can work in the worst
environment.
An extension coupling threaded into the barrel coupling allows the plunger to
punch out of the barrel at each end of the stroke. This through design prevents
scaling inside the pump barrel.
Awide range of component materials are available, so the pump can be
customized to any environment for maximum cost efficiency and pump life.
Various special pump accessories expand the application range of the pump and
provide greater versatility, adaptability and value.
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