O-Rings and Seals
and Gas Industries
Has What It Takes In Harsh Field Environments
* Copyright for photograph
seals stand up to severe down-hole conditions from high pressures
and temperatures, to aggressive sour gas and corrosive fluids.
Down-hole conditions can deteriorate elastomers rapidly. Blistering
heat, corrosive fluids and toxic gases can destroy the physical
properties and sealing performance of other materials. Even under
extreme conditions of pressure, heat and manmade chemicals, Kalrez
seals have held up and remained virtually unchanged. Kalrez
has been field-proven across the industry in such applications
Subsurface safety valves
Casing tie-back seals
Survey tool seals
is offered in standard or specialty compounds that have been formulated
to optimize properties and give the best performance in specific
seals are a lot less expensive than the cost of downhole seal
over 2,000 wells, the records show it: no well has ever had to
be reworked because a Kalrez V-ring failed. Even under torturous
conditions of pressure, heat, and man-made chemicals, Kalrez
perfluoroelastomer seals have held up and remain virtually unchanged.
Field Service Record
(Kalrez 3065 Compound)
at Break, MPa (psi)
Years Downhole V-Rings
at Break, MPa (psi)
a seal failure in a 3048-m (10,000-ft) well can mean a $100,000
rework, why trust anything less than the proven performance of
Kalrez perfluoroelastomer seals?
Protects When Downhole Conditions Deteriorate
conditions can deteriorate rapidly. Blistering heat, corrosive
fluids, and toxic gases can destroy the physical properties and
sealing performance of other materials. Only Kalrez combines
the resilience and sealing force of rubber with the chemical inertness
and thermal stability associated with TFE and FEP. Kalrez
seals resist attack by all well fluids and additives: hydrogen
sulfide, carbon dioxide, brine, sulfuric and hydrochloric acids,
amine-based corrosion inhibitors, and solvents including benzene,
toluene, acetone, high-aromatic hydrocarbons, and methanol.
under grueling long-term service, with temperatures to 260°C
(500°F), Kalrez parts resist swelling, blistering, and
embrittlement. To date, over 50,000 Kalrez V-rings have withstood
severe downhole stresses without reported failure. That’s
your next completion, specify Kalrez---the seal that is good
for the life of your well.
Conditions Change, but Kalrez Seals Don’t
a well, the only constant thing is change. Because they have no
active hydrogen, Kalrez parts successfully resist thermal
and chemical fluctuations that cause lesser elastomers to fail. DuPont Kalrez is perfluorinated---completely
protected by inert fluorine atoms. Nothing reacts with it.
fluoroelastomers have active hydrogen atoms. Under hostile conditions,
hydrogen reacts with other elements, gradually degrading the seal.
Kalrez perfluoroelastomer seals stand up to severe downhole
conditions. No chemical or thermal degradation of sealing parts
means no loss of sealing reliability.
environmental conditions change over the life of a well, specify
the seal that doesn’t change---Kalrez.
o-rings and seals
information set forth herein is furnished free of charge and is
based on technical data that DuPont and
Problem Solving Products, Inc. believe to be reliable. It is intended
for use by persons having technical skill, at their own discretion
and risk. Handling precaution information is given with the understanding
that those using it will satisfy themselves that their particular
conditions of use present no health or safety hazards. Since conditions
of product use and disposal are outside of our control, we make
no warranties, express or implied, and assume no liability in
connection with any use of this information. As with any material,
evaluation of any compound under end-use conditions prior to specification
is essential. Nothing herein is to be taken as a license to operate
or a recommendation to infringe on any patents. While the information
presented here is accurate at the time of publication, specifications
can change. Check with us before making a decision about which
product to use.
is a registered trademark of DuPont
* Photograph ©
Can Stock Photo Inc. | michaeljung