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Thai Nippon Steel Engineering and Construction Corporation Presentation on Central Processing Platform Presented By: Preecha Natong Thai Nippon Steel Engineering and Construction Corporation Agenda Overview of Oil and Gas Facilities Basic Information for CPP Thai Nippon Steel Engineering and Construction Corporation Overview of Oil & Gas Facilities (Offshore) Offshore Oil & Gas Facilities typically consist of: Collects WellHead fluids Can have Testing Facility Normally Designed for unmanned operation Bridge Support Tripod WHP WHP WHP Riser Platform Contains risers from WHPs Facilities for pig receipt and launching Normally no processing facilities Central Processing Platform Utility & Living Qtrs Platform Flare Tripod Main process platform Facilities for processing of the incoming fluid provided Manned platform Supplies utilities for CPP Also provides accomodation for operating personnel Thai Nippon Steel Engineering and Construction Corporation Central Processing Platform Overall Process Block Diagram Feed Gas Compression Mercury Removal CO2 Removal Flash Gas Compression Gas WHP Receiving Facilities & Inlet Separator Condensate Stabilization Oil FSO Water Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation Central Processing Platform A Typical Central Processing Platform Consist of the following facilities: – Inlet Manifolds – Product Separator Inlet Device The function of the Separator is to separate a mixed phase stream into gas and liquid phases (Oil and water) that are “relatively” free of each other Sand Jet System Inlet Flow Distributor / Calming Device Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Oil Condensate Stabilization Produced Water Treatment Produced Water Re-Injection Mist Eliminator Plate Pack Coalescer NGL Extraction Weir Plate Vortex Breaker Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotn’d) A Typical Central Processing Platform Consist of the following facilities: – Condensate Stabilizer – Oil Metering and Export What is Condensate Stabilisation? To remove the light ends of HC (C3/C4/CO2) to achieve the sales condensate specification Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator CO2 Removal Condensate Stabilization Oil FSO Water Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotn’d) A Typical Central Processing Platform Consist of the following facilities: – Flash Gas Compression Why is Required? To compress and re-cycle the flashed gas from Condensate Stabiliser to receiving facilities Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Oil Condensate Stabilization Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) A Typical Central Processing Platform Consist of the following facilities: – LP Feed Gas Compression Why Feed Gas to be compressed? Increase driving force across the CO2 Removal Membrane Unit Reduce Membrane Area Enhancement Heavy Hydrocarbon Separation Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Oil Condensate Stabilization Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) A Typical Central Processing Platform Consist of the following facilities: – Gas Purification [Mercury Removal] Why Mercury Removal is necessary ? To prevent corrosion and cracking of material It’s hazard material when it accumulates in equipment, particularly during plant turnarounds where equipment or piping is opened for inspection or maintenance Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Oil Condensate Stabilization Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) A Typical Central Processing Platform Consist of the following facilities: – Gas Purification [CO2 Removal Unit] Why CO2 Removal is necessary ? In combination with water, CO2 is highly corrosive and rapidly destroys the pipelines and equipment Presence of CO2 reduces the heating value of natural gas stream Presence of CO2 reduces pipeline capacity Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Oil Condensate Stabilization Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) A Typical Central Processing Platform Consist of the following facilities: – MP Gas Compression (if Required) – Natural Gas Liquid (NGL) Recovery Expander Compressor What is Natural Gas Liquid ? Heavier hydro carbons (ethane, propane, butane iso-butane, etc) that recovered from associated gas stream Why need NGL recovery? To Meet the Sales Gas Specification To purify by remove heavier hydrocarbons from associated gas stream Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Condensate Stabilization Oil Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) A Typical Central Processing Platform Consist of the following facilities: – HP Gas Compression – Gas Metering and Export GT C/P Air Inlet Turbine Exhaust COMPRESSOR GAS TURBINE Com C/P Why is required ? To increase Export Gas Pressure BASEFRAME Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Condensate Stabilization Oil Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) Hydro-Cyclones A Typical Central Processing Platform Consist of the following facilities: – Produced Water Treatment Comprising of: Desanders Hydro cyclones Induced Gas floatation Units Water Disposal or Re-injection Why is required ? To treat produced water before disposal Accumulators Follow regulation Feed Gas Compression Mercury Removal Flash Gas Compression Gas Receiving Facilities & Inlet Separator Water CO2 Removal Condensate Stabilization Oil Produced Water Treatment Produced Water Re-Injection NGL Extraction Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotnd’) Overall Block Diagram – Utility and Facilities DCS System Fuel Gas System Main Power Generation System Fresh Water System Emergency Power Generation System Fire Water System Flare System ESD Fire and Gas System Closed Drain System Instrument & Utility Air System Cooling Medium System Platform Crane Open Drain System Inert Gas (N2) System Utility / Seawater System Chemical Injection System Diesel Fuel System Hypo Chlorination System Heating Medium System Aviation Fuel System Material Handling System Thai Nippon Steel Engineering and Construction Corporation QUESTION & ANSWERS WELLHEAD PLATFORM CENTRAL PROCESSING PLATFORM ... Steel Engineering and Construction Corporation Agenda Overview of Oil and Gas Facilities Basic Information for CPP Thai Nippon Steel Engineering and Construction Corporation Overview of Oil & Gas... Facilities for processing of the incoming fluid provided Manned platform Supplies utilities for CPP Also provides accomodation for operating personnel Thai Nippon Steel Engineering and Construction... Vortex Breaker Export Gas Compression Thai Nippon Steel Engineering and Construction Corporation CPP Facilities (Cotn’d) A Typical Central Processing Platform Consist of the following facilities:
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