Mechanical Design Engineering

ROT/MECHDESIGNGB

Who should attend?

  • This course provides the basic knowledge necessary for the choice and sizing of machines used in Oil & Gas facilities.
Audience :
  • Engineers and technicians involved in design of Oil & Gas installations.

Level : Foundation

Course Content

  • PREREQUISITES

      • Operating physico-chemical parameters.
      • Machines specifications.
      • Energy and power, specific power.
      • Head, polytropic head, polytropic efficiency.
  • DESIGN METHODOLOGY

      • Knowledge of transported fluid.
      • Knowledge of the implementation circuit.
      • Constraint in terms of safety, environment, reliability, bulk, mass.
      • Knowledge of design flowrate.
      • Consideration of normative aspects and use of existing standards and regulations.
      • Identification of all configurations of the installation and the energizing equipment (number, power).
      • Calculation of hydraulic/aerodynamic and mechanical powers, taking into account margins.
      • Experimental or statistical rules.
      • Mechanical and hydraulic pre-dimensioning.
      • Choice of technology.
      • Simulation.
  • FLUID INPUT DATA

      • Knowledge of all the physicochemical data of the transported product:
      • Nature (hydrocarbon, water, chemical…).
      • Presence of pollutants (salts, H2S…).
      • Operating parameters (pressure, temperature).
      • Viscosity, volatility…
  • KNOWLEDGE OF THE IMPLEMENTATION CIRCUIT

      • Nominal flow for nominal operating conditions.
      • Maximum delivery pressure at design flowrate.
      • Minimum suction pressure at design flowrate.
      • NPSHa at design flow (case of a pump).
      • Losses under load at the speeds considered.
      • Operating point.
      • Arrangement of energizing equipment.
      • Downgraded situations.
  • KNOWLEDGE & CONSTRAINTS ON EQUIPMENT

      • Range, stability and flowrate accuracy.
      • Ability to adapt to network pressure.
      • Cost (operation, maintenance, spares, need for tools and specific skills…).
      • Maintainability (simplicity, need for tools and specific competence…).
      • Self-priming capability.
      • Footprint.
      • Constraints related to safety, environment, reliability.
      • Tolerance to dirty, non-lubricating, viscous liquids…
      • Respect for fragile liquids, poorly supporting compression or shearing for example.
      • Machine components: bearings, coupling, seals, lubrication.
      • Operating limits in relation with selected technology.
  • ENVIRONMENTAL CONSTRAINTS & SAFETY

      • Natural reserve.
      • Hazardous zones.
  • PARTICULARIZATION

      • With pumps.
      • With compressors.
  • REGULATION & REFERENCE STANDARDS

      • Normative aspect (safety).
      • Practical, specific or global aspects (API, ISO, ATEX…).
  • APPROACH & MODELING

      • Use of dimensionless coefficients.
      • 1D approach: geometric pre-dimensioning and analysis of desired performances for the machine.
      • 3D study: necessary for the design and analysis of compressors.
      • Flow modeling. Matter meshing. Finite elements software.

Learning Objectives

  • Upon completion of the training, participants will be able to:
  • identify the parameters and specifications to be considered for machine choice and sizing,
  • use a sizing methodology.

Ways & Means

  • Interactive animation by experienced specialists.
  • Numerous applications and illustrations.