This course provides participants with an integrated approach of gas cycling, from the reservoir to the surface facilities.
Public :
Production or petroleum engineers involved in operating or designing Oil & Gas field processing facilities.
Level :Knowledge
Prerequisite :
Engineer degree or equivalent experience in natural gas production.
Course Content
GAS CYCLING
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Duration : 0.5 Day
Introduction.
The integrated gas cycle: elements, configuration, challenges.
Gas cycling for pressure maintenance.
Gas cycling for miscible gas displacement (EOR): sweeping and soaking, compositional effects.
Dry gas cycling in retrograde condensate reservoirs.
Cycling non-hydrocarbon gases.
Major issues and constraints: reservoir, wells, flow lines and surface facilities.
WELL EFFLUENT BEHAVIOR
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Duration : 0.5 Day
Different types of well effluent. Main characterization parameters.
Constituents that pose problems for storage and transport.
Gas composition: rich and lean gas, sweet and sour gas.
Gas PVT behavior.
PVT properties of pure components and mixtures.
RESERVOIR FLUID BEHAVIOR & NEEDS FOR GAS CYCLING
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Duration : 0.5 Day
Phase envelop, reservoir and surface PVT issues.
Ternary diagram, first contact miscibility, multiple contact miscibility: condensing drive and vaporizing drive, Minimum Miscibility Pressure (MMP).
Specificities of condensate gas: retrograde region.
RESERVOIR ASPECTS
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Duration : 0.5 Day
Reservoir performance.
Drive mechanisms: gas reservoirs, gas cap, gravity drainage displacement, tertiary gas displacement, miscible gas displacement.
Requirements for gas quality for injection, flowrate, cycling rate and configuration of injection.
Field development: architecture and phasing.
INTRODUCTION TO SURFACE FACILITIES DESIGN
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Duration : 0.25 Day
Gas specifications to conform with gas cycling (dew point, sulfur removal & valorization).
Field processing of gas effluents for gas cycling.
GAS DEHYDRATION & SWEETENING
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Duration : 0.25 Day
Moisture content of natural gas.
Gas dehydration processes.
Gas sweetening, acid gases disposal.
CONDENSATE: RECOVERY, STABILIZATION & MONETIZATION
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Duration : 0.5 Day
Low-temperature separation techniques.
Condensate stabilization.
Monetization routes.
GAS COMPRESSION
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Duration : 0.25 Day
Multistage compression: design criteria.
Gas compression versus field aging: effect on operating parameters, needs for booster station.
COMPRESSORS & DRIVERS
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Duration : 0.5 Day
Compressors technology: choice criteria, effect of gas density evolution.
Compressor drivers.
INJECTION NETWORK
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Duration : 0.25 Day
Network architecture.
Network operations, backpressure management.
Well performance issues.
CASE STUDY: SYNTHESIS - WRAP UP
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Duration : 1 Day
Field monitoring, adaptation of surface facilities to field aging, re-injection rate versus surface production capacities and effect on recovery, re-injection rate versus gas sales and effects on reservoir monitoring.
Learning Objectives
Attendees will be able to implement the following skills:
List main characteristics of Oil & Gas well effluents,
Identify key field and reservoir parameters, choose a gas cycling strategy,
Evaluate reservoir performances and recovery factor,
Specify quality and flowrate needed for gas re-injection,
Assess key parameters for surface facilities design as needed for gas re-injection.
Ways & Means
Highly interactive training with industry specialist lecturers.
Methodology illustrated by multiple industrial case studies.
Learning assessment
Assessment by test at the end of the course.
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Coordinator :IFP Training instructors, with expertise in the field and trained in modern teaching methods adapted to the specific needs of learners from the professional world.
To French entities : IFP Training is referenced to DataDock ; you may contact your OPCO about potential funding.
Please contact our disabled persons referent to check the accessibility of this training program : referent.handicap@ifptraining.com
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