Structure Dept provides professional engineering services of jacket structure designs from concept to installation

engineering for offshore oil & gas field development in compliance with class and Industry standards, such as AISC,

AWS, API, ASME, ANSI, ND, DNV, etc. COTEC delivers high standard products in an efficient manner.

SCOPE OF SERVICES v Make specification

v Static analysis

v Dynamic analysis

v Fatigue analysis

v Seismic analysis

v Pushover analysis

v Ship impact analysis

v Load-out analysis

v Transportation structural analysis

v Lifting analysis

v Launching analysis

v Upending & lowering structure analysis

v Pile drivability analysis

v Conductor drivability analysis

v On-bottom & mudmat analysis

v Design of foundation pile

v Sleeve FEM analysis

v Padeye\ trunion design

v Hydrostatic ring calculation

v Bulkhead design

v Boat fender design

v Joint stiffener ring calculation

v Wave slam calculation

v Vortex induced vibration analysis

v Weight control summary

v Jacket structure drawing

v MTO

SOFTWARE TOOLS

v SESAM

v Ansys

v SACS

v Mathcad

v AutoCad

v Inventor

v X-STEEL

v BOCAD

v PDMS

REPRESENTATIVE PROJECTS

QHD 32-6 Jacket Basic & Detailed Design � In-place analysis

� Installation Analysis

� Appurtance Structural Design

HY7-1 WHPB Platform Detailed Design � 8 leg skirt piles drilling platform design

� In-place analysis

� Installation Analysis

� Appurtance Structural Design

yluo@cotecinc.com