Gas Field Processing


Course Content 

Day 1:

1. Natural Gas Chain

   1. 1 Overview of the Gas Chain

   1.2  Natural Gas Fields

   1.3  End Uses of Natural Gas

2. Need for  Field Treatment

   2.1 Natural Gas Composition (HC light ends, HC heavy ends, acid gases, water…)

   2.2 Sales Gas Specifications (water dew point, hydrocarbon  dew point, acid gas content…)

   2.3 Required Treatments

Day 2:

1. Water Content and  Hydrate Formation

   1.1 Water Content Estimation Methods, theory and applications  

   1.2 Water Dew Curve of a Natural Gas, definition and use  

   1.3 Hydrate Formation, a major issue in gas processing  

   1.4 Hydrates, chemical definition, composition, structure, formation  conditions and stability  

   1.5 Hydrate Prevention, water removal, injection of inhibitors

Day 3:

1. Gas Dehydration Or Water Removal        

    1.1 Water Removal by Physical Adsorption   

    1.2 Water Removal by Physical Absorption   

2. Natural Gas LiquidsNGL Extraction

    2.1 Definition of Natural Gas Liquids  

    2.2 Why do we extract NGLs?  

    2.3 Hydrocarbon Dew Point Measurement  

    2.4 NGL Extraction Processes, external refrigeration, expansion  

    2.5 NGL Extraction by Oil Physical Absorption  

    2.6 NGL Fractionation

Day 4:

1. Gas Sweetening Processes

    1.1 Chemical Absorption (Amines)

      * Most commonly used solvents and chemical reactions

      * Amine-based gas sweetening process description

      * Temperature profile in the absorber

      * Main issues of Amine Units, solvent degradation, corrosion, foaming

    1.2 Physical Absorption

    1.3 Physico-chemical Absorption, hybrid solvents

    1.4 Overview of other known processes (Physical Adsorption, Hot Carbonate Process, Membranes, Direct Conversion to sulfur…)

   1.5 Guidelines for process selection

Day 5:

1. Sulfur Recovery

    1.1 The Claus Process  

    1.2 Influence of acid gas composition on Claus process yields