Project phases

Engineering Design & Procurement
Construction Engineering
Operations

Project management

Geology
Geophysics

Petroleum engineering

Petroleum Economics Engineering
Petrophysical Engineering
Production Geology
Reservoir Engineering
Well Engineering (Production Technology)

Project engineering

Facilities Project Engineering
Marine Systems Project Engineering
Offshore Structures Project Engineering
Pipeline Project Engineering
Sub sea Systems Project Engineering

Discipline engineering

Civil Engineering
Construction Engineering
Corrosion Engineering (Metallurgy)
Cryogenics Engineering
Electrical Engineering
Inspection Engineering
Installation Engineering (Hook-Up)
Instrument & Controls Engineering
Mechanical Engineering
Meteocean Engineering
Naval Architecture
Piping Engineering
Process Engineering
Quality Control Engineering (QC)
Rotating Equipment Engineering
Structural Engineering
Telecommunications Engineer

Project services

Contracts
Cost Control
Cost Estimating
Document Control
Human Resources
Planning
Project Accounting
Project Administration
Value Engineering

Quality assurance (QA)

Standards & Procedures

Materials, procurement & supply

Materials Control & Expediting
Materials Logistics & Supply
Materials Procurement

Operations

Commissioning & Start-Up Operations
Drilling Operations
Maintenance Operations (Surface Facilities)
Production Operations
Well Services (Maintenance) Operations

Health, safety & environment

Environment
Health
Safety

Exploration