Indonesia has natural gas reserves of 92 trillion cubic feet. Most of the country’s natural gas reserves are located near the Arun field in North Sumatra, around the Badak field in East Kalimantan, in smaller fields offshore Java, the Kangean Block offshore East Java, a number of block in Irain Jaya , and the Natuna D-Alpha field, the largest in Southeast Asia. Despite its significant natural gas reserves and its position as the world’s largest exporter of Liquefied Natural Gas (LNG), Indonesia still relies on oil to supply about half of its energy needs.

PGN and Pertamina, both are state-owned companies, have played significant roles in providing gas transportation facilities in Indonesia to meet the increasing demands from industries and electricity generation in Indonesia. As Project Management Consultant, CONNUSA has considerable experience in Oil and Gas sector as follows:

ACHIEVEMENT: Oil & Gas

For the past twenty years CONNUSA, in association with International Consultants, has completed Feasibility Studies, Detailed Engineering Design, Construction Supervision and Commissioning for more than 1,504 KM of Gas Pipelines, and Gas Booster Stations totaling 705 MMSCFD throughout Sumatra and Java, Indonesia.

GAS PIPELINE

Gas Transmission Pipeline Project, Onshore 270 Km
CP 1: Pagar Dewa – Labuhan Maringgai
32 Inch Diameter API 5L X-65

Gas Transmission Pipeline Project, Offshore 105 Km
CP 2: Offshore : Labuhan Maringgai – Cilegon
32 Inch Diameter API 5L X-65

Distribution Pipeline Project, 32 Km
CP3A: Bojonegara – Cikande Station
24 Inch Diameter, API 5L X65

Distribution Pipeline Project, 32 Km
CP3B: Cilegon – Cimanggis
24 Inch Diameter API 5L X-46

West Java Distribution Pipeline Project, 50 Km
CP 4: Cilegon-Bojonegara-Anyer Industrial
24 Inch, 16 Inch, 10 Inch, 8 Inch, 6 Inch Diameter, API 5L-X65

Gas Receiving and Metering Station Project
Bojonegara Station
Total 3 Metering Stations

Pertamina Gas Transmission Pipeline Project, Onshore 140 Km
Cepu – Semarang
24 Inch Diameter API 5L X65

Gas Transmission and Distribution Project, Surabaya and East Java
16 Inch, 10 Inch, 8 Inch, 6 Inch Diameter, API 5L, 254 Km
CONNUSA furnished Engineering Design, Construction Supervision including Quantity Surveying services to PGN for the following sections:

• Gresik to Tandes
• Waru to Mojokerto
• Porong to Pandaan
• Porong to Pasuruan
• Pasuruan to Leces
• Surabaya

The pipeline routes contain approximately 200 crossings including river, canal, rail, and road crossings of which there are approximately 12 river and canal crossing of more than 30 meters length. Geotechnical surveys were conducted at the 12 sites prior to construction. The project was completed on time in spite of some delays on right-of-way settlements and permits that needed to be processed by PGN at public works department and local land owners.

The major components of the project comprise the following:

• Five Pressure Reducing Stations
• 16 Inch Diameter, API X46, 145 Km Pipelines
• 12 Inch Diameter, 40 Km Pipelines
• 10 Inch Diameter, 15 Km Pipelines
• 8 Inch Diameter, 27 Km Pipelines
• 6 Inch Diameter, 27 Km Pipelines
• Services and MRS for 27 industrial customers

Branchline Onshore Sakernan – Kuala Tungkal Gas Linepipe Project
28 Inch Diameter API 5L, X-65, 71 Km
CONNUSA provided overall supervision of the pipe coating procurement activities to ensure their compliance with the approved standards, specifications by PGN.

Girsik-Duri Linepipe Gas Transmission and Distribution Project
28 Inch Diameter API 5L, X-70, 544 Km
CONNUSA provided overall supervision of the pipe coating procurement activities to ensure their compliance with the approved standards, specifications by PGN.

R-2216 – CONOCO Belanak Field Development Project
24 Inch Diameter API 5L, X-70, 95 Km
CONNUSA provided overall supervision of the manufacturer of line pipe, Man Group’s procurement activities to ensure their compliance with the approved standards, specifications and program including site Quality Assurance for the supply of pipes to McDermott, the main contractor of the project owned by ConocoPhillips.

Summary of Experience:
GAS PIPELINE
CONNUSA has contributed 1,504 KM of Gas Pipelines throughout Sumatra and Java, Indonesia. The services included Engineering Design, Design Review of Contractors’ designs and drawings and Supervision of Construction and Commissioning with full scope of services as follows:

• Detailed Engineering Design
• Preparation of bid documents
• Preparation of HAZOP and HAZID Documents
• Pre-qualification of Bidders
• Assistance in Bid Evaluation
• Assistance in Contract Negotiation
• Procurement Expedition
• Design review of Contractor’s designs and drawings
• Construction Management
• Monitoring Quality Assurance and Quality Control programs
• Assistance in Commissioning and Startup
• Preparation of Reports

GAS BOOSTER STATION

Gas Booster Station at Sakernan & Belilas, Sumatra
430 MMSCFD
The gas Booster Stations located at Sakernan, Central Sumatra (KP136) and Belilas, East Sumatra (KP276) are to boost transporting-volume of natural gas of some 430 MMSCFD from the Corridor Blok at Grissik, under the concession of Conoco Phillips Indonesia in the province of South Sumatra, to Duri province of Riau where Chevron Indonesia is the receiving end. The transmission pipeline is 28 Inch Diameter API 5L Grade X-65, 536 km long. In addition to these Gas Booster stations, CONNUSA was also responsible for upgrading Duri Station.

The major components of the gas booster station comprise the following:

• Six unitSix Units of Gas Turbine Driven Compressors and Balance of Plant
  • Pipeline
  • Piping System
  • Monitoring of the implementation time scheduleBuildings and Support Structures
  • SCADA System
  • Instrumentation and Control System
  • Electrical System
  • Telecommunication System
  • Material Handling System

The scope of services provided by CONNUSA included:

• Detailed Engineering Design
• Preparation of bid documents
• Preparation of HAZOP and HAZID Documents
• Pre-qualification of Bidders
• Assistance in Bid Evaluation
• Assistance in Contract Negotiation
• Procurement Expedition
• Design review of Contractor’s designs and drawings
• Construction Management
• Monitoring Quality Assurance and Quality Control programs
• Assistance in Commissioning and Startup
• Preparation of Reports

Gas Booster Station at Pagar Dewa, Sumatra
275 MMSCFD
The gas Booster Station located at Pagardewa is to boost transporting-volume of natural gas of some 275 MMSCFD from Pertamina’s Pagardewa Station in South Sumatera with discharge pressure of 1,050 psig to PGN’s South Sumatera – West Java Gas Pipeline System where the suction-inlet pressure is only between 390 and 490 psig.

The major components of the gas booster station comprise the following:

• Three units of Gas Turbine driven by Centrifugal Gas Compressor, and Balance of Plant
  • Pipeline
  • Piping System
  • Buildings and Support Structures
  • SCADA System
  • Instrumentation and Control System
  • Electrical System
  • Telecommunication System
  • Material Handling System

The scope of services provided by CONNUSA included:

• Detailed Engineering Design
• Preparation of bid documents
• Preparation of HAZOP and HAZID Documents
• Pre-qualification of Bidders
• Assistance in Bid Evaluation
• Assistance in Contract Negotiation
• Procurement Expedition
• Design review of Contractor’s designs and drawings
• Construction Management
• Monitoring Quality Assurance and Quality Control programs
• Assistance in Commissioning and Startup
• Preparation of Reports

Summary of Experience:
GAS BOOSTER
CONNUSA has contributed Gas Booster Stations totaling 705 MMSCFD throughout Indonesia. The services included Engineering Design, Design Review of Contractors’ designs and drawings and Supervision of Construction and Commissioning with full scope of services as follows:

• Detailed Engineering Design
• Preparation of bid documents
• Preparation of HAZOP and HAZID Documents
• Pre-qualification of Bidders
• Assistance in Bid Evaluation
• Assistance in Contract Negotiation
• Procurement Expedition
• Design review of Contractor’s designs and drawings
• Construction Management
• Monitoring Quality Assurance and Quality Control programs
• Assistance in Commissioning and Startup
• Preparation of Reports

 REFINERY PLANT

Gas Refinery Plant Project
CONNUSA furnished engineering design for CO2 and HS2 Removal Plant Facilities in Gundih owned by Pertamina.