Engineering & Project Management
OIL & GAS OFF SHORE PIPELINE SYSTEM

ENCH Group is a completely multidisciplinary engineering company. We offer proven expertise with the industry leading software and our technologies and developing all the way through into project execution.

We have extensive knowledge of industry codes and practices. We are engineering and design experts for all phases of a project. We bring our experience and know-how to our clients for defining and selecting.

ENCH Group has an immense amount of experience in conceptual and feasibility studies, basic and detailed design, maintenance and operability engineering, vetting, procurement support, tender support and engineering support in the construction phase of projects.

Offshore Pipeline – Fauzia, Elettra and Benedetta Fields (Adriatic Sea)

Country: ITALY
Client: ENI E&P
Year: 2010- 2012
Contract Value: € 510 000.00

The development of Fauzia, Elettra and Benedetta Fields in the Adriatic Sea includes the installation on new sea lines and risers to connect the existing platforms.

ENch Group carried out the basic and detailed design of sea lines and risers, including the preparation of documents for permitting and the tender documents for purchase of main items, installation and pre-commissioning.

ENch Group was also in responsible for procurement support, providing technical clarifications during the bidding phase and technical advice.

Design for the Replacement of two Sea-Pipelines

Country: CHINA
Client: CACT (CNOOC-Chevron
Texaco)
Year: 2009- 2010
Contract Value: € 1 350 000.00

The project involves the replacement of 2 damaged oil flowlines ND 10”-12” (7 km and 35 km long respectively, 120 m mean depth, high pressure and temperature), connecting no. 2 production platforms to the FPSO in the South China Sea (100 miles far from the coast).

ENch Group carried out the Feasibility Study for the project and the detailed design of the new flowlines, including:

  • Steady State and transient process study
  • Corrosion study, material selection and material purchase specifications
  • Detailed design of pipelines, connection Z-spool, and risers (including clamps)
  • Detailed design of PLEM before FPSO connection detailed design of topside and subsea pig traps.

Micro-tunnel Crossing of the Arno River

Country: ITALY
Client: Snam Rete GAs
Year: 2007- 2008
Contract Value: € 104 500.00

The project aim was to increase oil production from the Gbaran Ubie node while compressing the Associated Gas (AG), and developing Non-Associated Gas (NAG) reserves to supplement gas quantity
requirements to the NLNG plant in order to ensure security of gas supply.

ENch Group carried out the basic and detailed engineering design for all pipelines (including flowlines, bulklines and export lines for a total length of about 350 km) as well as site surveys, procurement services, Vendor follow-up, expediting, supervision during construction and management of the commissioning and start-up activities for the multiple and contemporary microtunnel crossing.

Natural Gas Pipeline “Trieste-Grado-Villesse”
Sealine “Trieste-Grado” ND800 (32’’), DP75 bar, 27 km

Country: ITALY
Client: Snam Rete Gas
Year: 2008- 2009
Contract Value: € 1 030 000.00

The project involves a new natural gas pipeline in the gulf of Trieste connecting the Liquefied Natural Gas installation of Trieste to the terminal of Grado. The design also included an HDD (1,6 km long) at the landfall site in Grado. ENCH Group carried out the basic and detailed design, site surveys, site supervision (PMS), geological and seismic studies, EIA. and Risk Analysis.

Experimental Program Project Trunk & Production
Pipelines – Kashagan Project

Country: KAZAKHSTAN
Client: Saipem for AGIP KCO
Year: 2004 - 2007
Contract Value: € 2 500 000.00

The project consisted of the engineering, procurement, installation and commissioning of four onshore – offshore pipelines (n.2 ND 18” and n.2 ND 28”), one umbilical and some other cables that will connect the offshore artificial islands with the onshore Gas Oil Separation Plant.

ENCH Group carried out the basic design review and detailed design. ENCH Group also coordinated and supervised the site surveys conducted by a local subcontractor.