Heavy Oil Production & ProcessingSPRO/HEAVYGB

Who should attend?

  • This course aims to acquire a comprehensive knowledge and practical know-how of the production and field processing of heavy crude oil.
Audience :
  • Production, Field or Process Engineers involved in heavy oil production.

Level : Foundation

Course Content

  • DRIVE MECHANISMS

      • Primary recovery. Secondary recovery: water flooding, gas injection, solvent displacement using naphta, DCO, DRU. Classic EOR methods: miscible gas injection, chemical flooding. Thermal EOR methods: Cyclic Steam Stimulation (CSS), Steam-Assisted Gravity Drainage (SAGD), In Situ Combustion (ISC), Toe-to-heel air injection.
  • WELL PERFORMANCE

      • Needs for artificial lift. Viscosity reduction: dilution/blending, heating, emulsification through the formation of an oil-in-water emulsion, pour point reduction by using Pour Point Depressant (PPD). Forecast production of heavy crudes including behavior of horizontal wells.
  • COMPLETION ADAPTED TO HEAVY OIL PRODUCTION

      • Cold production. Hot production: cyclic steam stimulation, steam assisted gravity drainage.
  • NEED FOR OIL FIELD PROCESSING - QUALITY REQUIREMENTS

      • Quality requirements of crude oils. Needs for upgrading heavy crude oils. Examples of compositions of commercialized crude oils.
  • CRUDE OIL TREATMENT

      • Crude stabilization (gas removal) by Multi Stage Separation (MSS): operating parameters (number of separation stages, pressures, heating and cooling needs...); influence on the quantity and quality (API grade) of the produced oil; foaming problems and main available solutions; associated gas recovery.
      • Crude dehydration (water removal) and desalting: emulsion problems in heavy crude oil production and impact of well production techniques on surface facilities; asphaltens management in surface facilities; dehydration processes for heavy crude oils; heavy crude oil desalting.
      • Acid crude sweetening (H2S removal): principle of stripping, stripping of heavy crude oils.
      • Diluent recovery unit, diluent recovery assessment and maximum recovery diluent.
      • Asphaltens precipitation in storage.
  • PRODUCTION WATER TREATMENT

      • Main treatments. Operating principle and required performances. Comparison of the different available techniques. Selection criteria. Examples of production water treatment block flow diagrams.
  • INJECTION WATER TREATMENT

      • Reasons for water injection. Quality requirements and necessary treatments. Main operating conditions of each treatment and required performances. Examples of injection water treatment block flow diagrams.
  • UPGRADER PRINCIPLES & OBJECTIVES

      • Production, fluidification and transportation of extra heavy crude oils. Different ways to upgrade heavy crude oils. Overview of an upgrader, role and purposes of the different processes.
  • ATMOSPHERIC & VACUUM DISTILLATION

      • Upgrader distillation units: principles of distillation, capacity, process flowsheets. Atmospheric and vacuum distillation unit: operating conditions, material balance, energy consumption and heat recovery. Corrosion and corrosion prevention in atmospheric and vacuum distillation units.
  • UPGRADER HYDROTREATMENTS TO PROCESS NAPHTHA & DISTILLATE

      • Hydrotreatment chemical reactions and hydrogen consumption. Hydrotreatment processes: process flow diagram, operating conditions, products characteristics.
  • THERMAL CONVERSION UNITS: VISBREAKING & DELAYED COKING

      • Heavy cuts thermal conversion processes. Visbreaking. Delayed coking process.
  • OTHER CONVERSION PROCESSES

      • Deasphalting units: vacuum residues structure and properties; deasphalting principles: different deasphalting solvents, overall flow sheet, operating conditions; integration of deasphating units in conversion schemes.
  • INTEGRATION OF UPGRADING PROCESS WITH SUBSURFACE & SURFACE PRODUCTION

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • describe heavy oil fundamental properties, main reservoir production mechanisms and the adapted techniques,
  • explain the reasons for upgrading heavy crude oils, assess the various problems induced by unwanted compounds,
  • master oil and water treatment processes, operations and related operating conditions,
  • understand the role of different units in a heavy crude upgrading chain,
  • acquire a good understanding of the operation of the units related to extra heavy crude oil processing.

Ways & Means

  • Highly interactive training course delivered by industry experts and adapted to participants’ experience.