Delegates will learn about the various kinds of pumps, motors, and drives as well as the nomenclature used in each.We'll talk about packaging, couplings, mechanical seals and sealing systems, centrifugal and positive-displacement pumps and compressors, and bearings.

Course Objectives:

The participants will be able to enhance knowledge of the oil field rotating equipment design, specification and classification of rotating equipment.

At the end of this program participants will:

Have an understanding of the different types of pumps, compressors and turbines.
Be able to operate pumps, compressors and turbines as close as possible to the design efficiency.
Will be able to monitor pump compressor and turbine efficiency, availability and reliability.
Have learnt about selection, operation and maintenance strategies.

Who Should Attend?

This program is directed towards Mechanical, Senior Mechanical Engineers and Operation Engineers. The program will also benefit anyone who wishes to update themselves on Maintenance Engineering Technologies, judge the suitability of these technologies for their needs, and learn how to implement them for the benefit of their organization.

Course Outlines:

COMPRESSION AND EXPANSION MECHANISMS

Compression Basics
Euler’s law, applications for compressors and turbines,
characteristic curves
velocities triangle

Blade types

Impulse profile and Reaction profile – where each type are used and why.

Dynamic Effects

Mach number: effect on temperature, pressure and density;
Subsonic and supersonic machines

Simple Calculations

Dimensionless coefficients, specific speeds

COMPRESSORS & TURBINES

Compressor types: positive displacement (reciprocating and rotary), and dynamic (centrifugal and rotary), compressor operation, gas laws
Compressor performance measurement, inlet conditions, compressor performance, the energy available for recovery
Positive displacement compressors, reciprocating compressors, reciprocating compressors, diaphragm compressors.
Rotary compressors, rotary screw compressor, lobe type air compressor, sliding vane compressors, liquid ring compressors
Dynamic compressors, centrifugal compressors, axial compressors
Air receivers, compressor control, compressor unloading system
Intercoolers and aftercoolers, filters and air intake screens
Preventive maintenance.

CENTRIFUGAL AND AXIAL COMPRESSORS

Principle of operation of centrifugal and axial flow compressors, characteristics of centrifugal and axial flow compressor
Surging, choking, bleed valves, variable stator vanes, inlet guide vanes

COMPRESSOR SYSTEMS CALCULATIONS

Affinity Laws for centrifugal compressors
Calculations of air leaks from compressed-air systems, the annual cost of air leakage
Centrifugal compressor power requirement
Compressor selection, calculations of air system requirements
Characteristics of reciprocating compressors and blowers
Selection of air distribution system, water cooling requirements for compressors
Sizing of compressor system components, sizing of air receiver
Calculations of receiver pump-up time

PUMPS

Pump definition, pump categories: dynamic and displacement reciprocating & rotary
Centrifugal pumps: theory of operation of a centrifugal pump, casings and diffusers, radial thrust, hydrostatic pressure tests
Impeller, axial thrust, axial thrust in multistage pumps, hydraulic balancing devices, balancing drums, balancing disks
Centrifugal pumps general performance characteristics, cavitation, net positive suction head and requirements

BEARINGS & LUBRICATION

Types of bearings, ball, and roller bearings, stress during rolling contacts
Statistical nature of bearing life, materials and finish, sizes of bearings, types of rolling bearings, thrust bearings
Used oil Analysis: proper lube oil sampling technique, test description and significance, visual and sensory inspections, chemical and physical tests, water content, viscosity, emission spectrographic analysis, infrared analysis, total base number (TBN), total acid number (TAN), particle count, summary

PUMP SELECTION

Engineering of system requirements, fluid type, system head curves, alternate modes of operation, margins, wear, future system changes
Selection of pump and driver, pump characteristics, code requirements, fluid characteristics, pump materials, driver type
Pump specification, specification types, datasheet, codes and standards, bidding documents, technical specification, commercial terms, special considerations, performance testing, pump drivers
Special control requirements, drawing and data requirements form, quality assurance and quality control, bidding and negotiation
The public and private sector, bid list, evaluation of bids, cost, efficiency, economic life, spare parts, guarantee/warranty, simple bid evaluation.

MECHANICAL SEALS

Basic components, temperature control, seal lubrication/leakage, typical single inside pusher seal
Maintenance recommended on centrifugal pumps, recommended pump maintenance

VIBRATION ANALYSIS AND PREDICTIVE MAINTENANCE

Vibration instrumentation, velocity transducer, acceleration transducer, transducer selection, time domain, frequency domain, machinery example, vibration analysis
Vibration causes, forcing frequency causes, unbalance, misalignment, mechanical looseness, bearing defects, gear defects, oil whirl, blade or vane problems, electric motor defects, uneven loading, drive-shaft torsion

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