NATCO Group – Amarinth delivers Axsia Serk Baker an
elegant solution for their nutshell filtration system
Amarinth had the experience, applica-
tion knowledge and a competitive
offering and quickly provided details of a
Treatment of oily water potential solution along with the re-
quired level of detail.
Nutshell filters are an extremely effi-
cient way of treating oily water pro-
An elegant solution
duced during the processing of oil and
gas. Multi-grade nutshell media provides The solution was an elegant one.
a large absorption area, capturing and Amarinth took one of its proven and
retaining copious amounts of oil as the reliable heavy duty pump designs and
water passes over it. The NATCO modified it to suit the specific operating Founded in 1969, Axsia Serck Baker is
PowerClean system uses an innovative conditions. an international consultative, contract-
backwash process to re-circulate the ing and project management company
For the process to work optimally the
filter bed contents once a day, stripping which executes process systems
pump speed must be carefully con-
the oil and solids from the nutshell primarily for the oil, gas and water
trolled. A change of just 100rpm signifi- industry. Over the years the company
media. The success of the filter relies
cantly impacts the ability of the system has brought many technologies to the
heavily on the design and operation of
to release the oil collected on the market place that have now been
the pump to circulate the nutshell
nutshell media. Amarinth chose to integrated into the NATCO Group
fibrous media without damaging it.
govern the motor speed using invertors portfolio. In the UK, Axsia has a
The PowerClean system was developed rather than adopting the more tradi- turnover of some £30M and employs
by Natco in the United States, but to tional complex belt drive system. In 120 staff.
produce and support it in the UK Axsia addition to superior speed control, this NATCO is leading provider of
needed a reliable and supportive local also had the benefit of delivering a wellhead process equipment, systems
recirculator pump manufacturer. Axsia compact and uncomplicated installation. and services used in the production of
approached Amarinth for its expertise oil and gas. NATCO has designed,
in the design of open impeller pumps Reduced commissioning time manufactured and marketed produc-
operating on slurry and its experience tion equipment and services for more
In use, the pumps have exhibited excel- than 75 years and its production
in designing innovative pumping solu-
lent performance and a very high equipment is used onshore and
tions for the oil and gas industry. offshore in most major oil and gas
degree of reliability. Their compact
arrangement makes them quick and producing regions of the world.
easy to install.
The Amarinth solution has reduced the
engineering resource required for
future builds and delivers much easier
control over equipment configuration.
Being quick to install and set at the
optimum operating speed, the overall
Challenges of pumping solids commissioning time is significantly
reduced. Axsia now have a filtration “Finding a reliable and supportive
The design brief was challenging. In
system with a real competitive advan- supplier for the recirculator pumps was
addition to the problems posed in re-
tage and as with all Amarinth equip- the key to producing the Nutshell Filters
circulating the nutshell media in a sour here in the UK. Amarinth listened to our
ment, the pumps are fully ATEX compli-
hydrogen sulphide environment , the requirements and came up some great
pumps required variable speed technol- ideas. They worked closely with us to
ogy to enable them to be adjusted to The ongoing partnership between Axsia create a very elegant solution. Amarinth
the specific operating conditions. and Amarinth will see a range of mate- has certainly proven itself to be a reliable
Compactness and reliability were also rial options being offered for a stan- and innovative business partner.”
key. dardised range of pumps. Customised Mr Andrew Hamilton
installations have already been designed Proposals Manager
Axsia chose Amarinth to undertake the
and installed, such as horizontal pumps
design of the pumps for its recognition
for the Prirazlomnoye offshore oilfield
of the challenges and willingness to
located in northern Russia.
work hand-in-hand to tackle them.