Topic outline

  • Onshore Gas Gathering Systems Design and Operation

    This course provides an overview of all significant aspects and considerations of onshore gas gathering systems design and operation for production and facilities department engineers/senior operating personnel responsible for the design, operation and optimization of onshore gas gathering systems and their associated field facilities
    • Training Methodology & Objectives

      Training Methodology

      This Trainee-centered course includes the following training methodologies:-

      • Talking presentation Slides (PPT with audio)
      • Simulation & Animation
      • Exercises
      • Videos
      • Case Studies
      • Gamification (learning through games)
      • Quizzes, Pre-test & Post-test

      Course Objectives

      After completing the course, the employee will:-

      Apply and gain a comprehensive knowledge on onshore gas gathering systems design and operation Discuss gas gathering systems design and operation, project life cycle, planning phase, EPC phase and operations phase
      Estimate cost and gather equipment selection feed as well as employ pipe, size and material selection Describe liquid in gas gathering systems, line drip, dual-line piggable drip and pigging equipment
      Illustrate compressor-station piggable bypass, valve technologies and project safety plan Apply alternate approach to evaluating stored energy impacts of pneumatic tests
      Discuss static test design considerations, static testing conclusion and construction issues Employ gathering-system operation, procedures and corrosion control processes
      Review block flow diagram, gas treatment plant schematic, mathematical model assumptions and diffusivity equation Determine the impact of gathering system pressure on gas well deliverability
      Identify the pressure transient testing standard conditions for gas wells Discuss diffusivity equation observation and diffusivity equation general solution including Horner analysis assumptions and analysis procedure
      Describe the radius of investigation, simplified backpressure analysis (SBA) method and deliverability test analysis Recognize flow regime and Reynolds number as well as employ pipeline safety management systems
      Apply recommended practice in accordance with API RP 1173
      • Course Description

        This E-learning course is designed to provide participants with an up-to-date overview of onshore gas gathering systems design and operation. It covers the gas gathering systems design and operation, project life cycle, planning phase, EPC phase and operations phase; the estimation of cost and gathering equipment selection feed; the pipe, size and material selection; the liquid in gas gathering systems, line drip, dual-line piggable drip and pigging equipment; the compressor-station piggable bypass, valve technologies and project safety plan; the alternate approach to evaluating stored energy impacts of pneumatic tests; and the static test design considerations, static testing conclusion and construction issues
        During this course, participants will learn the gathering-system operation, procedures and corrosion control processes; the block flow diagram, gas treatment plant schematic, mathematical model assumptions and diffusivity equation; the impact of gathering system pressure on gas well deliverability; the pressure transient testing standard conditions for gas wells; the diffusivity equation observation and diffusivity equation general solution including Horner analysis assumptions and analysis procedure; the radius of investigation, simplified backpressure analysis (SBA) method and deliverability test analysis; the flow regime and Reynolds number; the pipeline safety management systems; and the recommended practice in accordance with API RP 1173
        • Module 1 - Gas Gathering Systems Design and Operation

          Contents:
            • Overview
            • Project Life Cycle 
            • Planning Phase 
            • EPC Phase 
            • Operations Phase 
            • Cost Estimating
            • Gathering Equipment Selection (FEED) 
            • Design Standards 
            • Pipe Selection
            • Size Selection
            • Material Selection 
            • Steel Pipe Wall Thickness Example 
            • HDPE Pipe Wall Thickness Example 
            • HDPE
            • Pipe Summary 
            • Ditch 
            • Open Ditch
            • Pipeline Obstructions 
            • Liquid in Gas Gathering Systems 
            • Line Drip 
            • Dual-line Piggable Drip 
            • Pigging Equipment 
            • Sweeps 
            • Compressor-Station Piggable Bypass 
            • Gathering-System Valves
            • Valve Technologies 
            • Valve Actuation
            • Pipeline Valve Locations
            • Valve Summary 
            • Positive Energy Isolation
            • Double Block and Bleed 
            • Insert Blind
            • Misalign/Remove Piping 
            • Design Issues (EPC)
            • Environmental Assessment
            • Arch Report
            • T&E Species
            • Drawings
            • Project Safety Plan
            • Purging Air From Lines
            • Static Testing
            • Energy Involved in Testing
            • Alternate Approach to Evaluating Stored Energy Impacts of Pneumatic Tests
            • Brittle Failure
            • Static Test Design Considerations
            • Construction Issues
            • Inspection
            • Trenching Equipment
            • Welding
            • Backfill and Cleanup
            • Gathering-System Operation
            • Procedures
            • Corrosion Control Processes
            • Schedules
            • Qualifications
            • Module Quiz
          • Module 2 - Gas Treatment Plant Overview

            Contents:
              • Gathering System
              • Block Flow Diagram 
              • Gas Treatment Plant Schematic
              • Liquid Knockout 
              • PFD-001 Liquid Knockout
              • Sour Gas Treatment 
              • Why LO-CAT II? 
              • PFD-002 Gas Sweetening
              • Gas Dehydration 
              • Gas Dehydration & CO2 Rejection 
              • PFD-003 Gas Dehydration 
              • NGL Recovery + CO2 Removal 
              • NGL Recovery 
              • PFD-004 Hydrocarbon Recovery
              • NGL Stabilization 
              • PFD-005 NGL Stabilization
              • Inert Removal-N2 
              • PFD-006 Nitrogen Rejection Unit
              • LNG Production 
              • PFD-007 LNG Production
              • Equipment Cost Estimates 
              • Revenues 
              • Module Quiz
            • Module 3 - The Impact of Gathering system Pressure on Gas Well Deliverability

              Contents:
                • Outline 
                • Gas Well Pressure Transient Testing 
                • Purpose of Gas Well PTT 
                • Mathematical Model Assumptions 
                • Common Flow Regimes 
                • Pressure Transient Testing Standard Conditions for Gas Wells 
                • Diffusivity Equation 
                • Diffusivity Equation Observation 
                • Diffusivity Equation General Solution 
                • Flow Regimes 
                • Pressure Build-Up 
                • Horner Analysis Assumptions 
                • Horner Analysis Procedure 
                • Radius of Investigation 
                • Radius of Investigation Estimation 
                • Gas Well 
                • Dewatering Gas Wells 
                • Gas Well Deliverability Single Well Case 
                • Stabilization Time 
                • Conventional Backpressure Test 
                • Isochronal Test 
                • Modified Isochronal Test 
                • Simplified Backpressure Analysis (SBA) Method 
                • SBA Method 
                • LIT Method 
                • Deliverability Test Analysis 
                • Flow Regime and Reynolds Number 
              • Module 4 - Pipeline Safety Management Systems

                Contents:
                  • Regulation
                  • Recommended Practice API RP 1173
                  • PSMS
                  • PSMS Elements
                  • Leadership and Management Commitment
                  • Stakeholder Engagement 
                  • Risk Management 
                  • Operational Controls 
                  • Incident Investigation, Evaluation, and Lessons 
                  • Safety Assurance 
                  • Management Review and Continuous Improvement 
                  • Emergency Preparedness and Response 
                  • Competence, Awareness, and Training 
                  • Documentation and Record Keeping 
                  • PSMS Requires 
                  • PSMS Rewards 
                • Module 5 - Hydrate Formation

                  Contents:
                    • Hydrates 
                    • Formation of Hydrates 
                    • Ground Temperature Effects 
                    • Controlling Hydrate Formation 
                    • Glycol Injection Ports Marked by Arrows
                    • Flow-Line Heaters 
                    • Indirect Heaters w/water bath 
                    • Thermosiphon Baffle 
                    • Long-Nosed Choke 
                    • Field Gas as Fuel Supply 
                    • Corrosion and Scaling 
                    • Safety Drilling 
                    • Alternate Bath Solutions 
                    • Module Quiz
                  • Module 6 - Dehydration of Natural Gas

                    Contents:
                      • Dehydration 
                      • Dew Point Depression 
                      • Dew Point - Example 
                      • TEG
                      • Glycol Must be Reused 
                      • Definitions
                      • Flow Diagram of Liquid Desiccant System 
                      • Absorber Tower 
                      • Bubble Caps 
                      • Mist Extractor 
                      • Operating Conditions 
                      • Operational Targets 
                      • Solid Desiccant Dehydrators 
                      • Essential Features 
                      • Regeneration
                      • Terms 
                      • Regeneration Cycle 
                      • Adsorption Process 
                      • Effects of Contaminants 
                      • Hydrocarbon Recovery Units 
                      • Three-Tower System 
                      • Module Quiz
                    • Module 7 - Flow Control in Oil/Gas Wells and Pipelines

                      Contents:
                        • Norwegian Oil and Gas Production 
                        • Trends and Facts in Oil and Gas Production 
                        • Multiphase Transport Solutions 
                        • Multi-Phase Fluid Flow (Oil/Water/Gas)
                        • What is the Sea Depth of Future Fields? 
                        • Callenges for Deep Water Developments
                        • Flow Control 
                        • Flow Assurance Flow Control: 
                        • Emulsion Viscosity 
                        • Sand Control 
                        • Multiphase Transport 
                        • Horizontal Two-Phase Flow 
                        • Example – Horizontal Slug Flow 
                        • Inclined Flow 
                        • Horizontal Flow Map 
                        • Vertical Flow 
                        • Example - Vertical Flow 
                        • Vertical Flow Map 
                        • Slug Flow 
                        • Consequences of Slugging
                        • Slug Flow Classification 
                        • Slug Flow Generation 
                        • Hydrodynamic Slugging
                        • Slugs from Gas Lift 
                        • Slug Formation in Pipeline/Riser
                        • Conditions for Severe Slugging
                        • Important Severe Slugging Parameters
                        • Slug Reduction/Elimination Techniques 
                        • Robust Design - Gas Injection at Riser Base (Hill, 1990)
                        • Robust design - Self gas lifting (Sarcia & Tengesdal, 2000)
                        • Feedback control – Active Choking (Statoil, 2003)
                        • Robust Operation – Optimize Well Production (ABB)
                        • Robust Operation – Increased/Controlled Gas Injection Rate in Gas Lifts
                        • Feedback Control - Miniseparators (Hollenberg, 1995, S3TM)
                        • Slug Reduction/Elimination Techniques 
                        • Slugg Control at Heidrun Nordflanken Use of Active Slug Control
                        • Slugging in Riser Heidrun D-line
                        • Active Well Control at Brage A-21 
                        • Optimize Active Well Control on Brage A-21
                        • Conclusions 
                        • Flow Control in Petroleum Production 
                        • Drag Reduction 
                        • Module Quiz
                      • Module 8 - Teague Treating Plant In-feed and Amine Sweetening

                        Contents:
                          • Amine Contactor Feed Heater (Exchanger)
                          • Amine Contactor
                          • Amine Contactor Lean Amine Feed Points
                          • Amine Contactor Lean Amine Feed Points and Time
                          • Amine Contactor “Bulge Temperature”
                          • Amine Contactor Integral Overhead Scrubber
                          • Amine Contactor Overhead Scrubber
                          • Amine Contactor Gas Cooler
                          • Amine Contactor Feed Heater (exchanger) Treated Gas flow to Gas to Gas After Scrubber
                          • This is a Summary Page of the Gas Flow in an Amine Plant
                          • Module Quiz
                        • Module 9 - Corrosion and Its Prevention

                          Contents:
                            • Introduction of Corrosion
                            • Facts About Corrosion 
                            • Causes of Corrosion
                            • Types of Corrosion
                            • So Why Study Corrosion?
                            • Effects of Corrosion 
                            • Factors Affecting Corrosion 
                            • Prevention of Corrosion 
                            • Methods of Preventing Corrosion and Rusting
                            • Tarring
                            • Painting
                            • Enameling
                            • Galvanizing
                            • Sheradising
                            • Tin Plating
                            • Electroplating
                            • Module Quiz
                          • Module 10 - API Recommended Practice 80 (API RP 80) “Guidelines for the Definition of Onshore Gas Gathering Lines''

                            Contents:
                              • Why Change? 
                              • Definition 
                              • Applicability 
                              • Incorporation by Reference 
                              • Gas Gathering Compliance 
                              • 192.8 How Are Onshore Gathering Lines and Regulated Onshore Gathering Lines Determined? 
                              • Beginning of Gathering 
                              • API RP 80 - Gathering Line
                              • API RP 80 – Production Operation 
                              • Beginning of Gathering 
                              • End of Gathering 
                              • API 80 - Gathering Line
                              • End of Gathering – Processing Plant 
                              • API 80/Part 192 Combined – Processing Plant
                              • API 80 – Gas Treatment 
                              • API RP 80 - Gas Treatment 
                              • End of Gathering – Gas Treatment 
                              • API 80 – Commingling 
                              • End of Gathering - Commingling 
                              • API 80/Part 192 Combined – Commingling 
                              • End of Gathering - Commingling 
                              • API 80 – Compressor 
                              • End of Gathering - Compressor
                              • API 80/Part 192 Combined - Compressor
                              • What are Regulated Segments? 
                              • Categories of Gathering Lines 
                              • Regulated Type A 
                              • Regulated Type B 
                              • Regulated Type B – Area 2 Determinations 
                              • Compliance Activities 
                              • Compliance Deadlines ~192.9(e) 
                              • Compliance Deadlines 
                            • Post-Test

                              Kindly complete the post-test to assess your knowledge about the topic after the course.