Subscribe  |  Login  | 
E-518 - Gas cycling: an integrated Approach

E-518 - Gas cycling: an integrated Approach

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

Audience

    • Production or petroleum engineers involved in operating or designing Oil & Gas field processing facilities.

Level

  • Foundation
  • This course provides participants with an integrated approach of gas cycling, from the reservoir to the surface facilities.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • 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.
Course Content

GAS CYCLING

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

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

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

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

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

0.25 day

  • Moisture content of natural gas.
  • Gas dehydration processes.
  • Gas sweetening, acid gases disposal.

CONDENSATE: RECOVERY, STABILIZATION & MONETIZATION

0.5 day

  • Low-temperature separation techniques.
  • Condensate stabilization.
  • Monetization routes.

GAS COMPRESSION

0.25 day

  • Multi-stage compression: design criteria.
  • Gas compression versus field aging: effect on operating parameters, needs for booster station.

COMPRESSORS & DRIVERS

0.5 day

  • Compressors technology: choice criteria, effect of gas density evolution.
  • Compressor drivers.

INJECTION NETWORK

0.25 day

  • Network architecture.
  • Network operations, backpressure management.
  • Well performance issues.

CASE STUDY: SYNTHESIS - WRAP UP

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.
You might be interested by these trainings
Ways & Means
  • Highly interactive training with industry specialist lecturers.
  • Methodology illustrated by multiple industrial case studies.