Pressure Transducer Uses In The Oil And Gas Industry

ld wide oil and gas industry uses many types ofof the pig. As these devices are usually battery
pressure transducer for measurement and control inpowered it is important to select a pressure
processes, drilling and down hole tools. With the needtransducer with low power consumption. The Omni
to find oil in less accessible areas the systems used inseries 10 pressure transducer only draws around 1mA
exploration, drilling and production becomes everand is ideal for these applications.
more complex and the use of pressure transducerCore Analysis
products is increasing.In core analysis an oil sample may be forced at high
A few applications for pressure transducer sensorspressure through a section of rock core. A pressure
are:transducer in this application needs to provide high
Drilling Toolsaccuracy measurement up to 10,000 PSI and be
Various types of pressure transducer are used inconstructed of either hastelloy or monel to avoid
downhole tools to monitor hydraulic pressure, andcorrosion of the diaphragm. The Omni series 23 and
pipeline oil pressure. Often a high pressure transducer25 pressure transducer meets thisrequirement.
is required, with a high operating temperature rangeSubsea Hydraulic Manifolds
due to the extreme environment. The Omni series 10Subsea hydraulic packs are used for various control
and series 8 pressure transducer models offer rangesapplications in offshore oil production. Subsea hydraulic
up to 1000 bar with operating temperatures up topacks may use up to 10 pressure transducer units.
150 degrees C.The pressure transducer has to be made to the
Wellheadssmallest design, and be able to work with high
Wellhead assemblies and Christmas tree use a rangeexternal case pressures. In this instance the pressure
of pressure transducer sensors to monitor wellheadtransducer may have the external housing removed
pressure. Due to the hazardous area the pressurewith the bare PCB exposed to the environment to
transducer has to be of intrinsically safe or explosionreduce the profile, with oil filling used to stop any
proof design. A pressure transducer used in thisseawater ingress.
application also needs to be rugged andDrilling Mud Systems
weatherproof. The Omni series 23EXD and 23ISIt is often a requirement to use a pressure
pressure transducer types meet both of thesetransducer in mud flow lines. In these applications a
requirements.pressure transducer with a flush diaphragm is
Intelligent Pigsrequired. This is because with a normal pressure
Subsea pipe lines are tested on a regular basis withtransducer the pressure port is only 3 mm diameter,
an intelligent pig. The pig may be fitted with severaland is prone to clogging with mud particles. The Omni
pressure transducer types to monitor pipelineseries 25 pressure transducer have a G1/2” or G3
pressure, and hydraulic pressure. Also a differential4” flush diaphragm and can be supplied in EXD or
pressure transducer may be used to measure theIS format for hazardous area use.
difference in pressure between the front and back