Oil and Gas firm Engineering Consultant
Oil and Gas Industry Engineering Consultants
From feasibility studies and detailed engineering to project execution and commissioning, we provide comprehensive engineering consultancy services for the oil and gas industry. Our expertise covers oil refineries, gas processing plants, LNG facilities, storage terminals, pipelines, and petrochemical projects. With a focus on safety, efficiency, and regulatory compliance, we deliver turnkey engineering solutions that support the growth and modernization of India’s energy sector.
JD Engineering & Consultants helps businesses optimize project performance, reduce risks, and achieve long-term operational success.
Which Oil and Gas Engineering Services Do We Offer?
Our oil and gas consulting engineering services are organised across three core pillars. Each pillar maps to a specific phase and ownership model. Together, they cover every scenario from new plant development to existing facility upgrades across India’s major industrial corridors.
Turnkey Engineering Solutions for Oil & Gas Projects
We own the outcome from concept to handover. One team, one contract, zero scope gaps.
- Concept to commissioning delivery
- Vendor selection and procurement
- Full EPC contract management
- Schedule and budget accountability
- Punch list and handover documentation
Engineering Design and Project Management Services
We sit on the owner’s side, controlling contractors and protecting the project investment.
- Contractor supervision and audit
- CAPEX forecasting and variance control
- Schedule tracking with corrective actions
- Quality assurance and HSE oversight
- Regulatory approval co-ordination
Engineering Design Services for Oil and Gas industries
Multi-discipline design packages aligned to Indian and international standards.
- Architectural and Civil Structural for oil industryÂ
- Electrical, Instrumentation, ELV, SCADA
- HVAC and Building Management Systems
- Mechanical and Rotating Equipment
- Fire Protection, Cleanroom, Environmental
What Disciplines Are Included in Our Engineering Design Services?
Our in-house multidisciplinary team eliminates the risk of design discontinuity. All eight disciplines are co-ordinated under one project manager, producing integrated packages that reduce field clashes and rework.
Civil and Structural Engineering Services
Civil and structural engineering solutions for oil refineries, petrochemical plants, LNG terminals, gas processing plants, tank farms, and pipeline facilities. Designs comply with IS, API, ASME, and international oil & gas standards to ensure safety, durability, and operational efficiency.
- Tank farm foundation and bund wall design
- Pipe rack and structural steel design
- Geotechnical investigation and pile foundation engineering
- Industrial plant layout and hazardous area planning
Electrical, Instrumentation, Controls, and ELV Systems
Advanced electrical and instrumentation engineering for oil & gas facilities, refineries, petrochemical plants, LNG infrastructure, and process industries. We deliver reliable power distribution, automation, and process control solutions.
- Single-line diagrams (SLDs) and cable scheduling
- DCS, PLC, and SCADA system integration
- Instrument datasheets and loop diagrams
- CCTV, PA, access control, and hazardous area classification
HVAC and Building Management Systems (BMS)
Specialized HVAC and BMS engineering for oil refineries, control rooms, LNG terminals, gas processing facilities, and industrial buildings. Our solutions ensure energy efficiency, safety, and environmental compliance.
- Heat load calculations and energy analysis
- Industrial HVAC design and duct routing
- BMS integration and facility automation
- ASHRAE, ISHRAE, and oil & gas industry compliance
Mechanical Engineering Services
End-to-end mechanical engineering services for oil refineries, petrochemical plants, LNG facilities, gas processing units, and pipeline infrastructure. We focus on process reliability, safety, and operational performance.
- Piping design, isometrics, and stress analysis
- Rotating equipment and machinery specifications
- Pressure vessel and heat exchanger design
- API, ASME, and international code compliance
Fire Protection Systems
Fire and gas protection engineering for oil & gas plants, refineries, storage terminals, LNG facilities, and petrochemical industries. Designed to meet NFPA, OISD, TAC, and international safety standards.
- Firewater network and pump system design
- Deluge, foam, and fire suppression systems
- Fire and gas detection system engineering
- NFPA and OISD compliance management
Cleanroom and Environmental Engineering
Environmental engineering Services oil industry and regulatory compliance services for oil refineries, petrochemical plants, gas processing facilities, and industrial infrastructure projects. We help organizations achieve sustainable and compliant operations.
- Environmental Impact Assessment (EIA)
- Effluent Treatment Plant (ETP) design
- Pollution control and waste management systems
- CPCB, MoEFCC, and environmental compliance support
Why Choose Our Oil & Gas Engineering Consultants
Every oil and gas plant design and consultancy engagement follows a structured five-stage workflow. Each stage produces defined deliverables and requires owner sign-off before the next begins, ensuring scope control and budget transparency throughout.
01.Feasibility Study and Conceptual Engineering
We begin with a detailed oil and gas feasibility study: technical viability assessment, preliminary cost estimate (Class 5 AACE), regulatory approval mapping across PESO, CPCB, MoEFCC, and site selection evaluation across Gujarat, Maharashtra, or the client’s target state. This stage converts a project idea into a capital decision.
02.Front-End Engineering Design (FEED)
The FEED phase defines scope, equipment lists, plot plan, and Class 3 cost estimate. Our process engineering consultants develop PFDs, preliminary P&IDs, and utility balance. FEED output becomes the contract basis for EPC tendering, reducing change orders during construction.
03.Detailed Engineering and Procurement Support
We produce full construction-ready drawings, specifications, and vendor datasheets across all disciplines. Our procurement support helps clients source compliant, cost-effective equipment from Indian vendors in Pune, Ahmedabad, and Chennai, as well as international suppliers.
04.Construction Management and Site Supervision
Our oil and gas construction management services deploy discipline engineers on-site across India to verify that field execution matches design drawings. Weekly site reports, NCR management, and HSE audits are standard deliverables throughout this phase.
05.Pre-Commissioning, Commissioning, and Handover
We support plant startup with system flush procedures, functional testing, and safety interlock verification. Final deliverables include as-built drawings, operating manuals, and maintenance documentation prepared to Indian Petroleum Act requirements.
PMC vs EPC vs Turnkey: Which Oil and Gas Project Model Is Right for You?
Choosing the right contract model affects cost, risk allocation, and control. This table compares the three primary delivery models we offer so you can match the right structure to your project type.
| Criteria | Turnkey (EPC) | Project Management Consulting (PMC) | Engineering Design Only |
|---|---|---|---|
| Owner Control Level | Low. Contractor manages all decisions | High. Owner retains all approvals | Full. Owner self-manages execution |
| Cost Certainty | Fixed lump-sum, high certainty | Reimbursable, lower certainty | Fixed scope, predictable design cost |
| Risk Allocation | Contractor carries most risk | Owner carries construction risk | Owner carries full project risk |
| Best Suited For | Greenfield plants, tight deadlines | Large complex projects, owner capability | Brownfield additions, phased expansions |
| Typical India Application | New gas processing plants in Gujarat and Rajasthan | Refinery expansions in Maharashtra | Unit additions at existing petrochemical sites |
| Our Role | Prime Contractor | Owner’s Representative | Lead Engineering Consultant |
Why Are We Best Oil and Gas Engineering Consultant Company for Your Project?
Several engineering firms in India offer individual disciplines. Few provide integrated, single-point accountability from feasibility through commissioning. Here is what makes us different.
India-Based with International Code Compliance
We deliver projects across 8 Indian states, applying ASME, API, IEC, NFPA, and ISO codes alongside Indian Standards, PESO, and OISD regulations. No code competency is outsourced.
Single Point of Accountability, FEED to Handover
Unlike oil and gas EPC companies that hand off between phases, we maintain team continuity from conceptual study through commissioning. One project manager, no knowledge loss.
Multidiscipline In-House Engineering
Civil, Structural, Mechanical, Electrical, Instrumentation, HVAC, Fire Protection, Cleanroom, and Environmental engineering are all delivered in-house. No critical discipline is subcontracted without client awareness.
Regulatory Expertise Across India
Deep knowledge of PESO, CPCB, MoEFCC, state PCB approvals, and Petroleum Act requirements across Gujarat, Maharashtra, Rajasthan, Tamil Nadu, and Andhra Pradesh. We manage approvals, not just track them.
Which Sectors Use Our Oil and Gas Plant Design and Consultancy Services?
Our engineering consultancy for oil and gas extends across every major hydrocarbon and adjacent energy sector operating in India.
Petroleum Refining
Engineering consultants for refinery projects, unit revamps, and capacity upgrades
Natural Gas Processing
Compression station design, dehydration, and gas processing plant engineering
LNG and CNG Infrastructure
Regasification units, LNG storage, and CNG dispensing station design
Petrochemicals
Process design for polymer, fertilizer, and specialty chemical manufacturing
Pipeline and Terminals
Pipeline routing, pumping stations, and terminal facility engineering
Captive Power Generation
Power plant engineering integrated within oil and gas facility boundaries
Pharmaceuticals
Cleanroom and GMP-compliant process plant engineering for regulated environments
Water and Utilities
Cooling water, firewater, effluent treatment, and utility system design
