O and G Solutions
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Electrical & Instrumentation Design
Process Automation & Control
Construction and Commissioning
Operations and Maintenance
Project Management
process automation & control
For clients undertaking either modifications / additions to existing installations or green field projects, the Controls Department of O&G Solutions LTD can provide:

• functional design specifications (FDS)
• control and sequence programming for PLC / DCS Software
• well control system design
• installation supervision and
• commissioning services

Our programmers use tools and designs from the IEC 1131 Standards.

This consists of: Part 1- General Overview; Part 2-Hardware; Part 3-Programming Languages; Part 4-User Guidelines and Part 5-Communication.

API Recommended Practice for Analysis, Design, Installation and Testing are usually applied to offshore platform projects involving safety and antipollution systems. This includes: RP14C, RP 14F, RP 14G and RP 14J.

We produce standardised documentation and can meet the customer’s required format in AutoCAD, Microsoft Access, and Microsoft Excel, PLC ladder Software and proprietary control system software.
The following are a list of functions and documents provided by the Controls Department:

• Cause and Effects charts
• Programme functional descriptions
• Software Memory maps
• Software programming
• Functional block diagrams
• Sequential function charts
• Ladder logic diagrams
• HMI mimic pages
• Alarm mimics and listings
• Trip and alarm System design, Schedules, Test procedures
• PLC system design
• DCS system design
• Functional Design Specifications (FDS)
• Input / Output Schedules
• Configuration
• Program Validation Test / Acceptance Documentation / Factory Acceptance Testing
• Test and Commissioning Documentation
• Instruction Manuals and Operating Procedure
• As-built drawings


The Instruments Department of O&G Solutions LTD can provide:

• procurement services,
• installation and calibration,
• supervision and commissioning services
• design

for operators of flow stations, EPFs, FPFs and FPSOs requiring either modifications / additions to existing installations or full green field projects using Exia/d and non Ex instruments and applications.

Our engineers specialize in various types of instrumentation ranging from Basic 4-20mA analogue circuits to analytical measuring devices using the latest digital and Fieldbus protocols including: MODBUS, DEVICENET, HART, PROFIBUS, and Foundation Fieldbus.

We are instrument specialists in:

o Pressure - Static, Differential, Absolute and Gauge.
o Temperature - PT100 RTD, Thermocouple Type J, K, L.
o Flow – Electro-magnetic, Ultrasonic, Vortex, Rotational blade.
o Level - Conductivity, Resonance, Hydrostatic (pressure), Ultrasonic, Radar, Rotating Paddle.
o Analytical - pH and conductivity, Turbidity, Dew point (Td) and relative Humidity (%RH)
o Pneumatics - Solenoid Valves, Control Valves , ESD and Shutdown Valves
o Hydraulics - Well Control Valves.

The following are a list of functions and documents that are provided by our instruments department:

o P&ID Diagrams
o Instrument Index/Summaries
o Instrument Specifications
o Instrument Data Sheets
o Instrument Loop Diagrams
o IS Calculations etc
o Process Hook-ups
o Pneumatic Hook-ups
o Wiring/Connection Diagrams
o Instrument Location Drawings
o Test Procedures
o Instrument Configuration
o Instrument Programming
o Instrument Calibration
o Factory Acceptance Testing
o Hazardous Area Documentation
o Commissioning Documentation
o Instruction Manuals and Operating Procedures


Our Engineers work well as members of multi-disciplinary project teams. The department is also able to implement stand-alone electrical and control projects for clients.
All Electrical designs are made to the requirements of the Latest edition of BS7671 and the relevant IEE recommendations and referenced standards. Cable calculations are produced using Amtech cable calculation software.

The following are a list of functions and documents that are provided by the Electrical Department:

o Stripping out sketches
o Power distribution system design Single line diagrams
o Area Classification
o Specifications for switchboards, Transformers, Motor Control Centres
o Purchase Orders
o Expediting and Inspection
o Cable Schedules
o Cable Block Diagrams
o Termination Schedules Wiring/Connection Diagrams
o Control Panel layout Drawings
o Control Construction Drawings
o Emergency Lightings and UPS systems
o Motor Control schematics and connection diagrams
o Accommodation services Heating and Ventilation
o Lighting and Small Power Distribution
o Fire and Gas Alarm System
o Earthing of Power systems, Static and Lightning protection
o Equipment location and Cable routing plans
o Cable size calculations
o Installation documentation
o Test/Acceptance Documentation
o Factory Acceptance Testing
o Installation scope of work
o Test and Commissioning Documentation
o As-built drawings and Manuals
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