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E-513 - Heavy Oil Production & Processing

E-513 - Heavy Oil Production & Processing

5 days
PROD/HEAVYGB
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Production, Field or Process Engineers involved in heavy oil production.

Level

  • Foundation
  • To acquire a comprehensive knowledge and practical know-how of the production and field processing of heavy crude oil.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • describe heavy oil fundamental properties,
  • describe main reservoir production mechanisms and describe the techniques adapted to heavy crude oil production,
  • explain the reasons for upgrading heavy crude oils,
  • assess the various problems that can be induced by unwanted compounds in heavy crude oil streams,
  • 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.
Course Content

DRIVE MECHANISMS

0.25 day

  • 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

0.25 day

  • 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

0.25 day

  • Cold production. Hot production: cyclic steam stimulation, steam assisted gravity drainage.

NEED FOR OIL FIELD PROCESSING - QUALITY REQUIREMENTS

0.25 day

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

CRUDE OIL TREATMENT

1.5 days

  • 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

0.25 day

  • 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

0.25 day

  • 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

0.25 day

  • 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

0.25 day

  • 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

0.5 day

  • Hydrotreatment chemical reactions and hydrogen consumption. Hydrotreatment processes: process flow diagram, operating conditions, products characteristics.

THERMAL CONVERSION UNITS: VISBREAKING & DELAYED COKING

0.25 day

  • Heavy cuts thermal conversion processes. Visbreaking. Delayed coking process.

OTHER CONVERSION PROCESSES

0.25 day

  • 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 0.5 day

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