manjeet chaurasiya

•Prepare, review and approve Process Basis of Design, Process Philosophy and Tie-In Philosophy.
•Responsible for all process engineering deliverables and coordination for onshore EPC
projects (RDS-1, RDS-4, RDS-5, RDS-6, BCDS).
•Ensure compliance with ADNOC AGES, Shell DEPs and applicable international standards.
•Perform steady-state simulations using Aspen HYSYS and transient hydraulic analysis using OLGA and PIPESIM.
•Prepare, review and approve process deliverables including Datasheets, Tie-In Lists, Line Lists, Equipment Lists, Process Data Sheets, C&E Diagrams, A&T Lists, PFDs, P&IDs, DPTDs and PSFs.
•Executed process engineering activities and conducted in-house site surveys across all project phases, from initial concept development through engineering studies, FEED, detailed design, and commissioning.
•Identified, interpreted, and applied relevant process engineering standards and international codes to ensure compliance and best practices.
•Carry out equipment sizing, line sizing, pump hydraulics and safety relief calculations and
prepare calculation reports.
•Prepare Technical Queries (TQs) and respond to ADNOC comments and CRS.
•Participate and contribute in engineering workshops including P&ID Review, Model
Review, ISD, VIP, HAZOP, PHA, SIL, RAM, PHSER, PSSR and Energy Review.
Key Projects:
•EPC for BAB Upgrades & Modification Project - P11715
•Technical Services Agreement (Call-Off) - Bu Hasa Tie-Ins (2021-2025) - Package 1
•Technical Services Agreement (Call-Off) - ASR Gas Wells Tie-In (2023-2027) - Package 4
•Brownfield Upper Zakum Facilities - ADNOC Offshore (Engineering Package 24)
•P30312 West to East Pipeline Project

• Preparation Process Basis of Design (PBD), Process Design & Operating Philosophy, and Tie-in Philosophy for BAB Upgrades,
ensuring 100% ADNOC AGES compliance.
• Delivered complete process engineering package for ADNOC Onshore, including PFDs, P&IDs, DPTDs, PSFS, Line Lists, Tie-in Lists,
Equipment Lists, Process Datasheets, C&E Diagrams, and A&T Lists, coordinating across 5 engineering disciplines.
• Executed advanced PIPESIM modelling for gas injection network studies supporting ADNOC Onshore wellhead facility design;
optimized injection well operating parameters, increasing injection efficiency by identifying pressure constraint bottlenecks.
• Performed OLGA transient simulation for onshore pipeline surge and slugging analysis at BAB; results directly informed slug
catcher sizing and operational envelope definition for onshore processing facility.
• Carried out comprehensive line sizing, PSV sizing, blowdown calculations, pump hydraulics, corrosion inhibitor dosing calculations,
, producing full calculation report packages.
• Spearheaded preparation and issuance of 30+ Technical Queries (TQs) to ADNOC, achieving formal client approvals with
traceability, and closing all CRS comments within agreed schedule.
• Participated HAZOP, ISD, VIP, SIL, PHSER, and PSSR workshops for brownfield tie-in packages.
• Provided technical mentorship to 2 junior process engineers, conducting structured reviews of HYSYS simulation models,
datasheets, and calculation reports in line with ADNOC document control requirements.

Responsibilities:
•Review and approve Process Basis of Design, Process Philosophy and Tie-In Philosophy.
•Lead review and approval of PFDs, P&IDs, Tie-In Lists, Line Lists, Equipment Lists, Process Data Sheets, C&E Diagrams and A&T Lists.
•Review steady-state and transient hydraulic studies using PIPESIM and OLGA.
•Strong working knowledge of Shell Design Engineering Practices (DEPs).
•Review Pre-Start-Up Safety Review (PSSR) packages and participate in PSSR activities.
•Review Management of Change (MOC) technical documentation.
•Provide process engineering input to inter-disciplinary design activities.
•Mentor junior process engineers and coordinate with project stakeholders.
•Review and approve vendor documents for corrosion inhibitor and nitrogen packages.
•Participate in safety studies, investigations and process-related trip analysis.
• Provide process documentation and operating instructions.
• Working on Basic, FEED, or detailed engineering design complied with project requirements.
• Process Engineering activities such as P & ID Preparation, PFD, Line sizing, Process
datasheets, safety valve calculation.
• Knowledge in Line Sizing using API 14E Standard and Pressure drop Calculations.
• Prepare process specifications, drawings (PFD, P&ID’s etc.) and process deliverables.
• Together with the process team develop sizing calculations for Process equipment’s
• (Pumps, Heat Exchangers, distillation columns, compressors, separators, reactors.
• Checking/Preparation of all Process Calculations like equipment sizing, Hydraulics,
Flare/Vent header, PSV, etc.
• Prepare data collection & standard operating procedure. Preparation of Process Data Sheets for Equipment’s.
• Perform necessary pump NPSH calculations.
• Experience in safety studies such as HAZOP, Hazard etc.
• Process Plant running, testing, and upgrading systems and processes.
• Perform risk assessments.
• Preparation of process design basis.
• Hydraulic Pump Sizing and its calculations using API 610 & API 674 Standards.
• knowledge of process engineering software packages- aspen hysys.
• Ensuring processes comply with safety and quality standards.
• Good acquaintance to Safety Procedures, audits, HAZOP studies, OHSAS,
Sustainability etc.
• Assist with drafting, review, and update of operations procedures, start-up/shutdown procedures, Isolation plans & procedures.
• Rich experience in participating in technical discussions, decision making processes

• Executed process engineering deliverables for IH2 Plant brownfield modifications (FEED to Detailed Design), preparing and
obtaining Shell DEP-compliant approvals for PFDs, P&IDs, Tie-in Lists, Line Lists, Process Datasheets, C&E Diagrams, and A&T Lists
with zero safety non-conformances.
• Review line sizing, equipment sizing, PSV sizing, and hydraulic analyses (HYSYS steady state) for brownfield scope.
• Delivered Shell Ceres MW-scale electrolyser process engineering package - first hydrogen production facility under Shell STCB;
developed process philosophy, simulation models (HYSYS), and safety datasheets aligned with hydrogen-specific hazard
management.
• Performed pump sizing, NPSH verification, and control valve sizing in compliance with API 610 and API 674, resolving 8+ pump
selection discrepancies during vendor TBE reviews.
• MOC process for 12+ brownfield modifications - developed MOC documentation, obtained approvals, and ensured safe
implementation with full traceability per Shell HSE & SP Control Framework.
• Reviewed and approved vendor documentation for corrosion inhibitor systems, nitrogen purge packages, and chemical injection
skids, clearing all Interface Document Comments (IDCs) within schedule.
• Mentored 3 junior process engineers in HYSYS simulation methodology, design deliverable preparation, and Shell DEP application,
contributing to team competency uplift recognized in annual performance reviews.

Process Engineer / Shift Engineer - Hindustan Petroleum Corporation Limited Project: MHMB LPG Pipeline (382 km) | Location: India |
•Prepare, review and approve Process Basis of Design and Process Philosophy.
•Review line sizing, equipment sizing and corrosion inhibitor calculations.
•Review and check PFDs, P&IDs, Tie-In Lists, Line Lists, Equipment Lists, Process Data Sheets, C&E Diagrams and A&T Lists.
•Coordinate vendor documents and clear IDC comments.
•Conduct field walkdowns and update documents based on site observations.
•Support commissioning, startup and operational safety activities.

Project: Mangalore-Hassan-Yediyur-Mysore LPG Pipeline (382 km)
• Prepared and obtained approval for Process Basis of Design (BOD) and Process Philosophy for 382 km LPG pipeline project
covering 4 pump stations and 2 MLT facilities in compliance with OISD, PNGRB, and Indian Standards.
• Performed and reviewed line sizing, equipment sizing, PSV sizing, and corrosion inhibitor calculations for the full pipeline system,
covering mainline, pump stations, pig traps, and MLT facilities.
• Reviewed, validated, and approved PFDs, P&IDs, Tie-In Lists, Line Lists, Equipment Lists, Process Datasheets, C&E Diagrams, and
A&T Lists across all project phases (FEED to commissioning).
• Conducted field walkdowns across 4 pump stations and 2 terminal facilities, verifying process design against site conditions and
updating as-built documentation.
• Coordinated vendor document reviews including IDC clearing for pump packages, pig launcher/receiver assemblies, and chemical
injection systems, ensuring delivery within IFR schedule.
• Provided process engineering support during commissioning, pre-commissioning, and start-up phases - developed hydrostatic
testing procedures, flushing sequences, and nitrogen inerting plans.
• Mentored 2 junior process engineers in deliverable preparation, standard application, and calculation methodology, improving
team deliverable quality and reducing revision cycles.

Responsibilities:
•Review and comment on PFDs, P&IDs, Tie-In Lists, Line Lists, Equipment Lists, Process Data Sheets, C&E Diagrams and A&T Lists.
•Responsible for smooth and safe field operations including startup and shutdown.
•Operate and monitor compressors, pumps and other rotating equipment.
•Ensure compliance with SOPs, JSAs and permit-to-work systems.
•Monitor process conditions, maintain logs and perform shift handover.
•Ensure safety compliance, housekeeping and emergency preparedness

• Responsible for Smooth & Safe field operations, troubleshooting, start-up&
shutdowns.
• Start and stop pumps, compressors and other equipment based on the direction of
the panel operator- Example-multistage centrifugal compressors like CGC
(Crack Gas Compressor), reciprocating compressors; Multistage
centrifugal pumps, reciprocating pumps.
• To start-up & changeover of various types of pumps. Handled Fire Emergencies and Plant
trip, Power Failure, Pump Failure on plant.
• Toolbox Talk, Knowledge sharing and encourage down the line to follow full
safety. Maintaining Field logbook.
• Shift handling, shift management, operations, and Interaction with maintenance group for
routine and non-routine maintenance activities,
• Handling Stable plant operation by analyzing process related hazards, safely
executing critical operations, troubleshooting and optimization of plant performance.
• Toolbox Talk, Knowledge sharing and encourage down the line to follow full
safety. Maintaining Field logbook.
• Unit responsible for Startup / shut down and any emergency trouble shooting ensuring
all the activity conducted is done in a safe manner.
• Pump operation and Maintenance hand over to mechanical team for maintenance
(Draining & Purging)
• Updating of Daily Logbook Day to Day Operations activitiesin Field.
• Providing Operationsrelated Training to new joiners.
• Monitoring of blinding / de-blinding and all line break jobs on equipment and line
• Flushing, loop checking, and control valve stroke checking, leak test.
• Handing and supervising all Maintenance jobsfor all equipment (Multistage Centrifugal
Compressor, Centrifugal Pumps, distillation column, quench column, stripper, refrigeration
cycle, heat exchangers, and Dosing Pumps).
• To start-up & changeover of various types of pumps, exchanger, machines, vessels, reactors,
filter. -Charging of hydrocarbon, steam, cooling water and other utilities
• Preparation of pending job list
• Inspection and troubleshooting of the equipment’s during shutdown.
• Handled planned shutdown, Emergency shutdown and subsequentstartup activities.
• Hands on experience in Work Permit (Hot/Cold/Confined Space Entry & Excavation

• Managed safe, reliable, and efficient operations of Gas Cracker Unit 2 including start-up, shutdown, emergency response, and
troubleshooting of compressors, heat exchangers, reactors, and distillation columns.
• Interpreted and provided operational input on PFDs, P&IDs, C&E Diagrams, and A&T Lists, contributing field operational
perspective to design validation during plant stabilization phase.
• Executed start-up, shutdown, and changeover of rotating equipment (pumps, compressors) per approved SOPs; managed
equipment isolation, blinding, purging, and line break activities per GAIL safety procedures.
• Maintained accurate shift logbooks, performed effective shift handovers, and monitored critical process parameters to ensure
operational continuity across 24/7 rotating shifts.
• Responded to plant upsets including equipment trips, power failures, and compressor surge events; applied emergency
procedures, minimizing production downtime and ensuring personnel safety.
• Supported loop checking, flushing, leak testing, and pre-commissioning activities for new equipment installations and plant
modifications.
• Conducted Toolbox Talks and HSE awareness sessions, promoting Safety-First culture and compliance with GAIL HSE operational
standards.