TRAINING GAS COMPRESSION AND FLOW METERING

TRAINING FIELD GAS COMPRESSION SYSTEMS

TRAINING RECIPROCATING COMPRESSORS

Overview of Gas Compression

Field gas compression systems.

Inlet gas compression prior to treating.
Outlet gas compression prior to export pipeline.
Compression for gas lift, gas gathering, condensate recovery, transmission & distribution, gas re-injection & pressure maintenance.
Type of Compressor

Positive-displacement or intermittent flow and continuous flow units.

Reciprocating compressors.
Rotary positive-displacement and centrifugal compressors.
Axial and mixed-flow compressors.
Comparison between compressors and compressor selection.
Basics and Performance of Gas Compression

Isothermal, isentropic and polytropic ideal compression processes.
Real gas behavior and compression ratio.
Design and determination of the number of stages.
Inlet flow rate and compression power calculation.
Compressor control and performance maps.
Nomograph for estimating compressor performance.
Estimation of HP required for compressing natural gas.
Performance testing guidelines for centrifugal compressors.
Practical Guide to Accurate Flow Measurement.

Requisites of flow measurement and reference standards .
Custody and non-custody transfer.
Flow installation requirements and operational considerations.
Maintenance meter equipment, readouts and related devices.
Proving systems and auditing.
Accuracy, rangability and turndown.
Head type and mechanical type.
Electronic flowmeter and mass flowmeter.
Practical Aspects of Flow Metering.

Orifice plate, venturi, flow nozzle and Pitot tube.
Variables area meters.
Mechanical flowmeters.
Turbin and rotary flowmeters.
Electronic and vortex flowmeters.
Ultrasonic flowmeters.
Mass flowmeters.
Coriolis flowmeters.
Thermal mass flowmeters.