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The Stress analysis study is carried out to ensure structural integrity and maintain system operability. The static and dynamic loads such as deadweight, internal and external pressure, thermal loads, seismic loads, wind loads, etc. will be considered while performing the calculations to assess the Piping network stress behavior.

The primary objective of Stress Analysis is as follows:

Structural Analysis is carried out to evaluate Stress, deformation, vibration level, supporting loads, etc. Skid design and structural analysis includes static analysis and dynamic analysis. Static analysis calculates the stress and deformation of skid in place, lifting and transportation operation, while dynamic analysis calculates the vibration level, dynamic stress, and deformation of any rotating equipment. The Structural assembly supporting loads are calculated by static and dynamic studies. In the analysis, weights of equipment, Piping and other components which are subjected on the structural members, unbalanced forces, moments, wind, and seismic loads, etc. are considered as loads.

The primary objective of Structural Analysis is to attain a correct distribution of internal forces, moments, stresses, strains, and displacements over the whole or part of the structural assembly.

Tyco Qatar Fire and Security entrusted iFluids Engineering to carry out  Stress and Structural Analysis for the 6” Deluge Skids on AB Wellhead Platform as part of their Project with North Oil Company, Qatar.The purpose of the Study was to satisfy the structural adequacy test in accordance with ISO 14692 2005 for GRE pipes and ASME B 31.3 for Cu-Ni pipes.

Activities involved in Stress Analysis:

Activities involved in Structural Analysis:

Additional stiffeners, Structural member modifications are annotated and provided to client for design change.

The IOCL Rajkot Depot was commissioned in the year 1987 and is primarily used for the receipt and storage of High Speed Diesel / High Flash-HSD through Railway Tank wagon from GRI-Koyali, IOC-Kandla, EOL-Vadinar. Indian Oil Corporation Limited has entrusted iFluids Engineering to carry out Quantitative Risk Assessment (QRA) study for the Rajkot Depot.

The following facilities were assessed under the QRA study:

The primary objective of the QRA study is to estimate the potential risk levels for personnel due to accidental release of hazardous materials from loss of containment scenarios from the facilities and to demonstrate that individual risks are within the broadly acceptable regions and to provide suitable control measures for the Gaps identified in line with the PNGRB T4S Regulation 2020.

The QRA study consists of the following:

The QRA study results provided recommendations for risk reduction measures to ensure all computed risks are in the ALARP or Acceptable Region, which were reviewed and accepted by IOCL Rajkot.

The Nayara Energy Limited Refinery,  located at Vadinar on the west coast of India near Jamnagar in Gujarat is close to the sources of imported as well as indigenous crude oils. Vadinar is an all-weather deep draft port capable of handling very large crude carriers (300000 DWT). Crude oil imported from Middle East, is discharged through a Single Buoy Mooring (SBM) stationed off the coaster site at a distance of about 5 km. An underwater pipeline transfers the crude to onshore storage tanks. The Vadinar complex includes a petroleum refinery, power generation facilities, along with port & terminal, dispatch, marketing and pipeline networks.

Nayara Energy Limited has entrusted iFluids Engineering to carry out the Quantitative Risk Assessment (QRA) study for the Petroleum Refinery of the Vadinar Complex.

The QRA Study has been carried out for the following facilities

The primary objective of the QRA  is to estimate the potential risk levels for personnel due to accidental release of hazardous materials from loss of containment scenarios from the facilities and to establish that individual risks are within the broadly acceptable regions.

The QRA study consists of the following:

The QRA study results provided recommendations for risk reduction measures to ensure all computed risks are in the ALARP or Acceptable Region, which were reviewed and accepted by Nayara Energy Limited.

Ramagundam depot of HPCL is situated 3 kilometers from Ramagundam Railway Station; 260kms (approx.) from Hyderabad airport. Considering vast demand of Petroleum products in different Districts of Telangana State e.g. Peddapalli, Mancherial, Adilabad, Karimnagar and Bhopalapally, HPCL commissioned Ramagundam Depot in the year 2005 to cater to the needs of various ROs and Depots in and around the area.

The Ramagundam Depot receives petroleum products e.g. MS, HSD and Ethanol through railway wagons from HPCL Vijayawada Terminal. Ethanol is mostly received through tank trucks. The products stored in the Depot are – MS, HSD & Ethanol.

Hindustan Petroleum Corporation Limited has awarded iFluids Engineering to carry out Quantitative Risk Assessment (QRA) study for the Ramagundam-HPCL depot facility in Telengana.

The main objective of this QRA study is to determine the risk from process hazards associated with the Ramagundam-HPCL depot.  The study quantified the risk ranking in accordance with the severity and probability. In order to meet the objective of the assessment, potential scenarios have been identified, evaluated and the chances of consequences related to potential accidental releases occurring in the facility were exhibited. The QRA study was carried out with the following objectives:

The QRA study results provided recommendations for risk reduction measures to ensure all computed risks are in ALARP or the Acceptable Region, which were reviewed and accepted by HPCL.

GAIL (India) Limited is a Central Public Sector under the Ministry of Petroleum & Natural Gas (MoPNG), Government of India. GAIL operates a network of Natural Gas Pipelines of about 11000 Km & LPG Pipeline network of about 2000 Km.

Presently GAIL - KG Basin, Andhra Pradesh, operates nearly 900 KM of Natural Gas Pipe Line Network and GAIL intends iFluids Engineering to carry out Complete Risk assessment of 900 KM Natural Gas Pipeline Network and Terminals in line with PNGRB Regulations & ASME B31.8S :2016, OISD Standard & IEC 31010.

Pipeline Research Committee International (PRCI) / PNGRB guidelines represents 22 root causes for threat to pipeline integrity. One of the causes reported by the operator is “unknown”. The remaining 21 threats have been classified into three groups based on time dependency and further in to nine categories of related failure types according to their nature and growth characteristic as below:

Time Dependant threats
Stable threats
Time independent threats:

Scope Of Work

Software Used


Standards & Regulations

Project Duration

The duration of the Project is 03 years


The Panipat Refinery of Indian Oil Corporation Limited (IOCL) is the 7th largest & technologically sophisticated public sector refinery complex in India spread across a land of 4222 acres. iFluids Engineering was assigned to conduct pulsation study & Mechanical Vibration Analysis of Suction & Discharge Piping of Wash Water Pumps of OHCU & HCU units in Panipat Refinery.

The Purpose of carrying out Pulsation study of the wash water circuit piping was to ensure:


Sl noUnitDrawaing Details
1OHCU Wash Water Pumps
(Tag No.:05-PA-RC-007 A / B / C / D)
Total 19 nos. Of drawings.
2HGU Wash Water Pumps (Tag No.: 75-RP-113 A / B)Total 25 nos. Of drawings.

Completion Period

The time of completion of the project was 45 days.


Project Background:

Ras Laffan Port is located within the Ras Laffan Industrial City (RLIC), on the northern part of the State of Qatar. The port provides loading facilities for the export of LNG, Condensate and other associated liquid products from the Petrochemical Industries based at RLIC. The RLIC Port facilities include LNG berths, associated liquid product berths, bulk sulphur berths, container terminal, general cargo berths, ship repair and dry docks.

The existing Port Control Tower previously offered unrestricted visual and radar monitoring of the Port area and its approaches. With the expansion of the Port under the current Master Plan, a number of developments such as the Common Sulphur Facility obstruct part of the existing Port Control Tower’s line of vision and impose constraints on the operability of the Vessel Traffic Centre and Port control functions

A FEED package for a new port control tower was developed in 2015 that encompassed the whole facility at a location adjacent to the Common Sulphur Facilities area.

However, due to expansions in the Sulphur Facilities area for the NFX project, the land previously identified for the Port Control Tower is no longer available. As a result, the new Port Control Tower will be built at a newly identified location.


The objective is to carry out FEED for a new fit-for-purpose Port Control Tower and all related infrastructures, at the selected location in Ras Laffan Port.

Technical HSE Deliverables:

GAIL India Limited’s Singasandra – Krishnagiri Natural Gas pipeline spans over a distance of 48.4 km with an O&M Facility in Bangalore.

iFluids Engineering having the team of experts in this field has been entrusted by GAIL (India) Limited to perform the Vent/QOEC Dispersion Analysis for the Singasandra Receipt Terminal of GAIL India Limited.

The Vent / QOEC Dispersion Study was carried out through the following steps:

The results of the study were recorded and presented to Gail India Limited for further discussion and approval.

The Cambay Asset, located about 80km from Vododara city, is the oil producing field in the assets of Anklav, Kathana, Padra, Akholjuni etc. Presently the well fluid from these fields are processed in GGS Akholjuni, GGS Kathana and GGS Padra.

Anklav field roughly produces 1200 barrels of oil per day. The manifold is provided with 15 stubs of 4” size and 5 stubs of 8” size. The well-fluid is collected in storage tanks located at well sites / clusters and transported to Kathana GGS via tankers.

As part of the Anklav field development, ONGC is intent to create surface facilities to collect and process the Anklav wells at the Anklav well pad.

iFluids Engineering has been entrusted to carry out the Fire and Gas Mapping study for the hydrocarbon product handling areas in the New Surface Facilities at Anklav Field of Cambay Asset.

The objectives of the F & G Mapping study for New Surface Facilities at Anklav Field of Cambay Asset were:

The Fire and Gas Mapping Study provided the following results:

Asian Paints Limited has an existing installation at Visakhapatnam district, Andhra Pradesh for the purpose of producing two main types of paint, namely industrial and decorative paints. While industrial paints are used for protection against corrosion and rust on steel structures, vehicles, white goods and appliances, decorative paints are used for protecting valuable assets like buildings.

Asian Paints Limited being keen on increasing the safety culture of the plant, has entrusted iFluids Engineering to perform the Hazard and Operability (HAZOP) study of the plant, located in Visakhapatnam, Andhra Pradesh.

A HAZOP study systematically reviews potential hazards and operability problems which could potentially lead to asset damage, business interruption, environmental damage, and/or personnel injury. The study helps identify problems or needs that the operator should consider and solve. It also helps classify the existing safeguards provided as prevention or mitigation. Recommendations and/or operating procedures are provided as prevention or mitigation measures against potential hazards and operability problems identified during HAZOP Study Workshop.

The HAZOP study was initiated with a Kick off meeting by a team of experts from iFluids Engineering along with the Asian Paints Limited multi-disciplinary team. The HAZOP study methodology and how the workshop would be performed was explained and the inputs required for the study were proposed. During the HAZOP Workshop, the multi-disciplinary team reviewed the relevant documents and discussed potential hazard and operability scenarios through a brainstorming session. The outcomes of the session were systematically recorded.

The recorded discussion were then reviewed by the experts of iFluids engineering and the report was produced to Asian Paints Limited. The methodology and results proposed by the iFluids team were accepted by Asian Paints for the identification and minimization of risk, which paved way for the successful completion of the project.

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