OIL & GAS INDUSTRY FOCUS
SOLAR POWER FOR OFF-GR ID ACTUATORS Rotork IQ3 intelligent multi-turn
electric actuators have been
speci if ed o f r use in sol ar power de control stations of r water gathering
Located in the oilfields of West pipelines in the USA.
Te asx and N we M xe ico, the in et llige nt sys et ms allow o
remote operation of single-stage f r t eh
i os lation and modulating valv es to
control ht e lf ow of p or duced wa e t r in a high-pressure pipeline network. To assist with t he water treatment operation, automated valve technology
gy is needed to control flow in the wa ter gathering
pipelines, which can o tf en ur n of r miles in a er as with no mains power to activate the valves.
The customer wanted valves and actuators to be installed every five miles in a er as which we er off the g ir d, so a solu it on combining in viduadi
l s lo ar panels wi th c no trol stations an Rotd ork IQ3 actuators
was devised. Each control station includes an IQ3 actuator to control eith er a 12” or 16” ball valve and each assembly is fitted with panels to power eith r e a 24, 48 or 120 VDC motor.
h solar R to o rk Site Services w ro k ed to assem lb e the solar panel then
The self-contained sol ar pow er stations preve nt harm to t installed and configured the systems in the field.
the
envi or nme nt and c ut ins at llation costs. They provide pow er for PLCs, as well as the IQ3 electric valve actuators, to transp ort contaminants from fracturing sites to water gathering and disposal facilities. The system programme features a low-voltage alarm to alert pipeline operators if pow er from the sol ar system has dropped below the required level for v a v operel
ation.
Rotork’s IQ3 actuators include a patented absolute encoder to provide continuous tracking at all times. Even in the eve nt of a power loss, ht e ac ut ator’s g ar phical int rfae
ce, remote indication and datalogger are all maintai ned and accessible. Rotork
www.rotork.com
PROTECTING PERSONNEL IN THE FIELD In response to the critical need for
farms, and other remote locations, sulphide gas in wellheads, tank monitoring of toxic hydrogen
Emerson has introduced its first
Wireless Gas Monitor is a fully monitor. The Rosemount 928 fully integrated wireless gas
integratedWirelessHART
solution. It improves toxic gasmonitoring
safety in are as and
applications that were previously consider ed to
difficult tomonitor due to be too expensive and
remote or difficult-to-
access locations, challenging topology, and other issues.
Workers approaching sites like
wellheads and remote tank batteries formaintenance are consta
antly in
danger of exposure to unpllanned releases of toxic gas. Monit
toring
these sites with conventional wired gas detection systems is often cost- prohibitive or logistically impossible.
additional wired device can add tens commissioning costs for each The installation, wiring, and
of thousands of euros to the e no early
warning or personnel safety. The Rosemount 928 gas monitor integrates into a WirelessHART network, eliminating wiring and reducing installation, commissioning, and
9
maintenance costs. Once integrated, personnel
simply check the status of the remotemonitoring systemto see if amaintenance trip is The gasmonitor
a powermodule and the
Rosemount 628 toxic gas sensor module that are bo th intrinsically safe and can be replaced in the field inminutes without the need for tools. The Rosemount 628 stores calibration information within the sensor not the transmitter, so it can
location and quickly exchanged with be calibrated in a non-hazardous
installed sensors in the field. Emers on RosemountW
Emerson.com/ tWirelessGasMonitor %#') & ((&)"$')! Mor re facts:
www.krohne.com/optim p massmeters
al so includes safe.
fa
of hy Contin
t
instrument’s tot al installed cost. As a result, operators have been forced to rely on portable gasmonitoring devices which provide
dr
entrain OPTIMA
• Coriolis Entrain
s mass flowme ned Gas Manag
s n t •
–200... DN15...
• In stain o act even wit t
echnology driv A S series –
AS n
en b
by KROHNE eters with
E gement (EGM MT
no loss of measureme gas ent
trainment up to
o 100% ent with
..400, 0.003...4,600 t/h, pr c 600 t/h, process: +400 °C
• Highest accuracy for custody tran ernsf L
MID 20 14/32/EU, OIM m
titanium or Has
m or Hastelloy n
n
nless steel, tantalum, ®
: M ): °C C m 3/h kg/m3
uous flow measure measurement rocarbons, e nments or uns
th gas unstable density
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