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GCP Prestea Ghana Natural Gas Plant Construction Weekly Reports

2025/5/24      view:

GCP Prestea Ghana Natural Gas Plant Construction Weekly Reports


GCP-Site-Bird-View-Weekly-Progress-Overview-01


A 200 MMSCFD Gas Conditioning Plant (GCP) in Prestea, Ghana, represents a significant infrastructure project aimed at processing natural gas to meet commercial and industrial standards. Here's a structured overview:



Key Components and Processes


Capacity and Purpose:

Processes 200 million standard cubic feet per day (MMSCFD) of natural gas, equivalent to ~5.66 million cubic meters daily.

Converts raw natural gas into pipeline-quality gas by removing impurities (e.g., H₂S, CO₂, water vapor, and heavier hydrocarbons).

Core Processing Units:

Inlet Separation: Removes liquids and solids from raw gas.

Sweetening: Uses amine treatment or membranes to strip acidic gases (H₂S/CO₂).

Dehydration: Glycol units or molecular sieves eliminate water vapor to prevent pipeline corrosion.

NGL Recovery: Optional cryogenic or absorption systems to extract ethane, propane, etc., for monetization.

Compression and Metering: Prepares gas for transport via pipelines and ensures accurate measurement.



Strategic Context in Ghana


Location: Prestea, in Ghana’s Western Region, is near major mining and energy hubs like Tarkwa and the Jubilee oil field. The plant likely processes associated gas from offshore fields (e.g., Jubilee, TEN, or Sankofa) to reduce flaring and support Ghana’s gas-to-power agenda.

Energy Infrastructure: Part of Ghana’s Western Corridor Gas Infrastructure Project, enhancing domestic gas utilization for power plants (e.g., Atuabo Gas Processing Plant) and industrial users, reducing reliance on imported fuels.

Economic and Environmental Impact


Economic Benefits:

Job Creation: Employment during construction and operation phases.

Energy Security: Supports Ghana’s goal of increasing electricity access (currently ~85%) by providing reliable gas feedstock for power generation.

Industrial Growth: Enables gas supply to mining operations (e.g., gold mines in Prestea/Tarkwa) and manufacturing sectors.

Environmental Considerations:

Emission Reduction: Minimizes gas flaring, lowering GHG emissions.

Sulfur Recovery: Claus plant or similar technology to convert H₂S into elemental sulfur, preventing acid rain.

Regulatory Compliance: Adheres to Ghana’s EPA standards for air quality and waste management.

Challenges and Consideration


Supply Reliability: Dependent on consistent gas feedstock from offshore fields, which may fluctuate with oil production.

Infrastructure: Requires pipelines to connect offshore sources and transport processed gas to consumers (e.g., power plants in Aboadze).

Community Engagement: Address land use concerns and ensure local communities benefit through employment or social programs.

Conclusion
The Prestea GCP aligns with Ghana’s broader strategy to leverage natural gas resources for sustainable development. By transforming raw gas into a clean energy source, it supports economic growth, reduces environmental impact, and strengthens energy resilience in the region.



1、上周工作内容 Last week's work: 

16/05/2025~22/05/2025

专业 Professional

模块 Module

区域 district

计划数量           

Planned

quantity

实际数量             

Actual

quantity

%

Remarks

钢结构 Steel structure

Module 2

M206

6

6

100%

 

Steel grating for equipment platforms

98

0

0%

材料未到 Not yet delivered

Module 3

M302

175

175

100%

 

Module 5

S4B

75

75

100%

 

S4A

87

79

91%

天气影响 Weather influence

Module 6

Car carport

492

492

100%

 

设备安装                       Equipment installation

Module 3

E-3406

1

0

0%

Personnel

Module 4

冷却塔              Cooling tower

45

45

100%

 

Module 5

P-5631/5407/5507

3

3

100%

 

Equipment insulation      设备保温

Module 2

E-2460

1

1

100%

 

Module 3

E-3105/V3523/V-3102/V-3202

4

4

100%

 

管道焊接 Pipe welding

Module 1


100"

92"

92%

 

Module 2


1200"

1242"

103%

 

Module 3


400"

742"

185%

 

Module 4


900"

1116"

124%

 

循环水   Circulating water


800"

1058"

132%

 

静电接地    Static grounding flat iron

Module 5

M51

1400M

1630M

116%

 

 


GCP-Module-01-Natural-Gas-Inlet-Outlet-Pig-Launcher-Receiver-Piping-02



2、本周工作计划Work plan for the week

23/05/2025~29/05/2025

专业 Professional

模块 Module

区域 district

计划数量           Planned quantity

Remarks

钢结构 Steel structure

Module 2

Steel grating for equipment platforms

98


Module 4

S5 Canopy

75


Module 4

W Canopy

57


Module 5

S4A

9


设备安装                       Equipment installation

Module 3

E-3406

1


Equipment insulation      设备保温

Module 2

V-2255

1


Module 3

E-3105/E-3212

2


管道焊接 Pipe welding

Module 2


1000"


Module 3


1000"


Module 4


500"


循环水   Circulating water


1000"


 

 

GCP-Module-01-Natrual-Gas-Inlet-Return-Power-Distrubution-DCS-Gas-Leakage-Detection-03


 

 

3、下周工作计划 Next week's work plan

30/05/2025~05/06/2025

专业 Professional

模块 Module

区域 district

计划数量           Planned quantity

Remarks

钢结构 Steel structure

Module 2

Equipment platform structure 设备平台结构

30

 

Module 5

S3 Factory building

200


15C5

16


Equipment insulation      设备保温

Module 2

E-2400/E-2420

2


管道焊接 Pipe welding

Module 2


1000"


Module 3


1000"


Module 4


500"


循环水   Circulating water


1000"



4The number of on-site construction workers现场施工人数

中国员工76人,其中焊工19人;加纳员工100人,其中焊工10人,

There are 76 Chinese employees, among whom 19 are welders. There are 100 employees in Ghana, among whom 10 are welders.



GCP-Module-02-Cryogenic-Separation-Pressure-reduction-Turbo-expander-de-methanizer-Fraction-04


GCP-GRRS-Inlet-Long-distance-Distribution-PP03-Return-Pipeline-05


GCP-Module-04-Hot-oil-furnace-boiler-expansion-tank-duct-installation-06


GCP-Module-04-NG-Compression-System-Power-Genseration-Turbine-07


GCP-Module-04-Circulating-Cooling-Water-System-Cooling-Towers-FRP-08


GCP-Module-04-Fuel-Gas-Instrument-Air-Power-Distribution-DCS-09


GCP-Cooling-Water-Circulation-System-Instrument-Air-Containers-Pipe-Rack-Cable-Tray-10


GCP-Module-03-Fraction-Ethane-Propane-Butane-ISO-Pentane-Condensates-11


GCP-Module-5-Cryogenic-Storage-Tank-BOG-recovery-System-LPG-Mixing-Storage-12


GCP-Module-06-NGL-Loading-System-Trucks-Trains-Barges-Laboratory-Power-Distribution-13


GCP-Module-04-Piping-Welding-Mid-Night-ZHM-Team-Construction-14


GCP-Elevated-Tower-Column-650ton-Lifting-Crawler-Crane-15


GCP-Module-03-De-butainizer-Propanizer,Ethanizer-Stabilizer-Fraction-Towers-16


GCP-Double-Pipeline-Underground-Aboveground-Interface-17