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KAZAKHSTAN
Caspian Sea
Uzbekistan
Kyrgyzstan
THE GIANT KASHAGAN - KASHAGAN, 80 KM SOUTH-EAST OF ATYRAU, IN THE NORTH CASPIAN SEA, IS THE LARGEST OIL FIELD
DISCOVERED OVER THE LAST THIRTY YEARS WORLDWIDE AND EXTENDS OVER A SURFACE AREA OF APPROXIMATELY 75 KM
BY 45 KM. ITS DEVELOPMENT REPRESENTS ONE OF THE GREATEST CHALLENGES FACED BY THE PETROLEUM INDUSTRY, GIV-
EN THE DEEP, HIGH-PRESSURE RESERVOIR, THE HIGH SULFUR CONTENT, THE SHALLOW WATERS THAT FREEZE IN WINTER AND
THE MARKED SHIFTS IN TEMPERATURE (FROM -30°C TO +40°C). THE POTENTIAL DAILY AVERAGE PRODUCTION AMOUNTS TO
1.2 MILLION BARRELS, WITH ESTIMATED RESERVES OF 38 BILLION BARRELS. THE KASHAGAN PROJECT CONSISTS OF TWO
DEVELOPMENTS: OFFSHORE COMPLEX (ARTIFICIAL ISLANDS IN THE CASPIAN SEA) AND ONSHORE COMPLEX (BOLASHAK ON-
SHORE PROCESSING FACILITY).
KASHAGAN / KAZAKHSTAN ONSHORE / OFFSHORE
END USER: NORTH CASPIAN OPERATING COMPANY (NCOC) / A CONSORTIUM OF: KAZMUNAIGAZ / ENI / SHELL / EXXONMOBIL / TOTAL / CNPC / INPEX
190 km2 total area of onshore operations =
the size of Amsterdam
120,000 tons
total weight of steel items and struc-
tures used = 1.5 times the weight of the
Golden Gate Bridge in San Francisco
510 km total length of pipelines = almost the dis-
tance between New York and Montreal
5,000 km total length of electric and instrumen-
tation cables = about the distance
between Almaty and Rome
50,000 m3
volume of concrete structures used
= the size of the landmark 88-floor
building of Petronas Towers in Kuala
Lumpur, Malaysia
MV/LVPACKAGED SUBSTA-TIONSONSHORE
Skema was in charge of the engineering,
manufacturing, testing and commis-
sioning of 9 MV/LV Packaged Substa-
tions. The Substations feed the infra-
structure utilities for the Kashagan field
and are part of the Early Works of the
Kashagan Experimental Programme.
Each Substation was equipped with:
> 10 kV Switchboards
> PMCC LV Switchgear
> Distribution boards
> Distribution transformers
> AC and DC UPS batteries
> Alarm and communication RTUs
> HVAC system
> Electrical Control System
FRAMEAGREEMENTONSHORE /OFFSHORE
Skema was awarded the frame agree-
ment for the provision of all intelligent
LV Switchgear/Intelligent Power Motor
Control Centers, RTUs, the Integrat-
ed Protection and Control System for
both offshore and onshore facilities
and LMS / DMS (onshore).
5.5 km = the total length of columns
supplied by Skema.
EPC CONTRACTORS:
ABB PS&S / AKER KVAERNER /
BATEMAN / CONSAFE - FORES
GE OIL & GAS NP / GUSTO MSC /
KAZSTROYSERVICE / LITWIN /
MSS / PUNJI LLOYD /
SAIPEM / SBM / SIEMENS
TURBOMACHINERY /
ROSETTI MARINO / RENCO -
TEKFEN / ZAFER
“The products supplied by Skema were able to meet the strict technical standards of the job. Skema’s project team showed competent technical skills and the ability to work and
support us at all stages of the project from engineering to commissioning.”
Project Electrical and Instrumentation Engineer
OFFSHORE BUILDINGS / IN COUNTRYSOLUTIONS DELIVERED
EPC Contract for 13 Offshore Utilities
Buildings for Island D.
KEY SUCCESS FACTORS:
> Maximum local content achieva-
ble for Modular Substations
> Project delivered on time and
without any punch list
> Complete project cycle managed
by internal resources: from fea-
sibility studies to the design of
structures, electrical HVAC and
safety systems, procurement, con-
struction, assembly, pre-commis-
sioning, start-up, commissioning,
load out activities and on site su-
pervision and installation
LOCALEQUIPMENTROOMSOFFSHORE
Skema was awarded the EPC Con-
tract for the provision of 18 Local
Equipment Rooms (LERs).
The scope of work includes the co-
ordination and monitoring of every
aspect of the project, from feasibility
studies and cost/performance opti-
mization to the design of structural,
electrical, HVAC and safety systems,
procurement, construction, assembly,
commissioning, final inspection and
supervision of on-site installation.
The LERs are pre-fabr icated
steel-structure modules, which have
the following systems installed: Me-
dium and Low Voltage Switchboards,
Transformers, Distribution Switch-
boards, UPSs and relevant Batteries,
supervision and control equipment,
HVAC with provisions for explosive/
dangerous gas injections, electrical
networks, fire-detection and fire-fight-
ing systems and telecoms equipment.
Each LER has an average length of
50 m and weight of 1000 t.
The LERs were built in Ravenna,
shipped to the Caspian Sea on barg-
es and located on artificial islands in
the Caspian Sea.
“First of all congratulations at completing barge 3 and 4
pre-commissioning. Your person-nel and the support offered to
them during their stay here was first class. All concerned were
impressed – our subcontractors, our client and all.”
Commissioning Superintendent
SIZE OF THE LERs
SCOPE OF WORK DIMENSIONS (m) WEIGHT (t)
COMPLEX A LER 36.3 x 15.3 x 8.3 800
DRILLING ISLAND MAIN LER 55.2 x 15.3 x 8.3 1,050
DRILLING ISLAND HVAC LER 35.9 x 11.3 x 8.3 500
PSA1 MAIN LER 48.6 x 15.3 x 8.3 1,000
PSA1 HVAC LER 42.6 x 15.3 x 8.3 800
RISER ISLAND MAIN LER 48.6 x 15.3 x 8.3 1,000
RISER ISLAND HVAC LER 24.6 x 15.3 x 8.3 500
PSA2 MAIN LER 48.6 x 15.3 x 8.3 1,000
PSA2 HVAC LER 42.6 x 15.3 x 8.3 800
PUA MAIN LER 57.5 x 15.3 x 8.3 1,150
PUA HVAC LER 43.7 x 15.3 x 8.3 850
LSA MAIN LER 42.6 x 15.3 x 8.3 800
LSA HVAC LER 42.6 x 15.3 x 8.3 800
LSA IBEEV LER 33.8 x 17.6 x 11.8 800
DRILLING ISLAND EAST MAIN LER 66.5 x 15.2 x 8.3 1,105
DRILLING ISLAND EAST HVAC LER 48.5 x 15.2 x 8.4 947
PUA EMERGENCY DIESEL GENERATOR LER 35.9 x 15.3 x 8.3 500
COMPLEX A EMERGENCY DIESEL GENERATOR LER 6.0 x 4.0 x 4.0 20
TOTAL 11,484 m2 14,422 tons
18 LERs
Offshore
9 Substations
Early Works / Onshore
10 PUBs Offshore / Built in Italy
13 PUBsOffshore / Built in Country
(Kazakhstan)
All PMCCsFrame Agreement for all LV
Switchgear /
Intelligent Power Motor Control
Centers and RTUs /
Onshore / Offshore
5.5 km The total length of columns
supplied by Skema
IPCS Onshore / Offshore
LMS/DMS Onshore
END USER: NORTH CASPIAN OPERATING COMPANY (NCOC) / A CONSORTIUM OF: KAZMUNAIGAZ / ENI / SHELL / EXXONMOBIL / TOTAL / CNPC / INPEX
“Company congratulates Contractor with the big achieve-ment of meeting the requested delivery date, and thanks
for its good work and cooperation.”
Contract Holder
SOLUTIONS DELIVERED
> 18 Local Equipment Rooms
> 9 Packaged Substations
> 23 Process Utility Buildings
> MV Switchgear (965 columns)
> Intelligent Power Motor Control Centers
(4,874 columns, 7,054 drawers)
> 476 Remote Terminal Units
> Distribution boards (506 columns)
> Integrated Protection and Control System (IPCS)
> LMS/DMS
THE QUALITY OF THE POST-SALES SERVICE AND MAINTENANCE OPERATIONS IS ALSO PROVIDED AND ENSURED BY SKEMA LLP (SKEMA’S IN COUNTRY COMPANY). THROUGH SKEMA LLP, SKEMA CAN PROVIDE LOCAL ASSEMBLY, WAREHOUSE STORAGE, AFTER SALES SERVICES, TECHNICAL CONSULTANCY, TRAINING PROGRAMS AND CUSTOMER SERVICE.