Engineer Engineering
Resume:
PRASANTA DAS
Houston, TX **077
832-***-**** – Cell
Email: ***************@*****.***
ACADEMIC Bachelor of Technology, Department of Chemical Engineering,
DATA Indian Institute of Technology, New Delhi, India.
COMPUTER Attended training and advanced user of various state process simulation software,
PROGRAMS namely, PRO-II and PROVISION – Simsci, Hysys, Flarenet and Hysim,
Visual Flow, EDR (Hysys Exchanger rating program), Fathom, Arrow, Visio, Koch Glitsch Tray Software, Microsoft Suite (Word, Access, Excel, PowerPoint), Redlining for vendor package, Blue Beam
PROFESSIONAL American Institute of Chemical Engineers (AIChE), MEMBER
AFFILIATIONS
SUMMARY OF Over thirty years of diversified experience on projects and
EXPERIENCE studies related to oil & gas, refineries and the chemical industry.
Significant experience includes feasibility studies, conceptual design,
Front-end engineering and detail engineering development, HAZOP and Process Safety Reviews.
Oil and Gas Experience: Offshore Wellhead/Process Platform Facilities including Glycol Regeneration System. Onshore gas plant including cryogenic process.
Refining Experience: Process Design experience of crude oil desalting unit, atmospheric and vacuum distillation units, hydrotreating unit, delayed coker unit, Selective Hydrogenation unit, HF Alkylation, Alkad, Butamer unit, technology selection and FEL of clean fuel (gasoline), revamp study of process units and fired heaters for capacity augmentation and debottlenecking.
Chemical Experience: Adept in many aspects of ethylene plant design including downstream fractionation, refrigeration, and cryogenic storage of ethane, ethylene, styrene and other products from ethylene complex. Experience also includes preparing FEL package for specialty chemicals. Worked on detailed engineering package for polyethylene unit.
Offsite & Utilities Experience: Steam balance for ethylene plant, flare system, storage tanks, cooling water system, instrument air system.
In addition to front-end experience, expertise includes developing P&IDs from concept to construction issue, equipment rating, and specification of relief valves and in-line instruments. Performed performance tests, and economic feasibility reports of petrochemical complex. Considerable experience gained with process evaluation and optimization of processes.
PROFESSIONAL
EXPERIENCE
2017 – Present, Process Engineer, Worley (Jacobs), Baton Rouge
Process Engineer
Up to 410 kTA Homopolymer and up to 450 Impact Copolymer Polypropylene Unit at Baton Rouge by ExxonMobil.FEL3 work mainly includes PFDs, P&IDs and other engineering support
145MBPD FCC revamp project by Marathon in Grayville. Working on FEL3 in Gas Plant, Alky and Merox unit. Working mainly data sheets, PFDs, P&IDs and other engineering support.
Work on Limetree Bay Restart project in St. Croix includes a new strategy for fuel gas system without FCC restart, a new PSA unit, LPG system and Merox units. Worked on Hydrogen balance for the whole refinery.
2015 – 2017 Universal Technologies Corporation
Process Engineer
A basic design package was performed for Delta Energy project in Natchez, Mississippi on 17 Tons/day tire chips pyrolysis. The package included development of pyrolysis gas quenching, cooling and finally separation. The package also includes designing of utilities and offsite including refrigeration, flare gas recovery system and flare system also. Detail engineering and operating manual was prepared.
Performed LPG recovery from flare gases using UTC LPG Recovery Technology for Hitec LLC, North Carolina. Designed the Spiral Separation system that is first of its kind.
Feasibility study for low level heat recovery in Ethylene plant by Lyondellbasell to1) generate refrigeration –chilled water via absorption system 2) generate shaft power for vapor compression. Similar studies were done in FCC unit for flue gases.
2012 – 2015 FLUOR Enterprises, INC., Houston, TX
Principal Process Engineer
The project is a 300,000 BPSD grassroots refinery + Aromatics +PP complex in UAE in the preparation of pre-feed basic package (FEL-2) and worked for
Flare design of the of the entire complex including flare loads of different units, PFD, design basis, description of the system, controls, flare gas recovery system (FGRS)
Licensor evaluation of KHT,DHT, GHT and Hydrocracker units, Licensor evaluation of C4 Isomerization
Licensor evaluation of Sulfuric Acid Alkylation unit including Sulfuric acid Regeneration. Worked on SMR Hydrogen Plant for Licensor evaluation.
The project is a new 70,000BSPD Vacuum Residue Ebullated Bed Hydrocracker (EBHCU) Unit for Marathon Petroleum company in Garyville, Louisiana and worked for
Basic Engineering package for Marathon based on H-OIL Technology by Axen. As a lead, managed team and prepared documents related to Reaction and Fractionation section. Provided engineering support, interacted with client also.
2011 – 2012 – SK Engineering, Houston, TX
Senior Process Engineer
Performed due diligence work on HF Alkylation (gravity flow) package provided by UOP for Ecuador Refinery in South America. Work involved checking of Heat and Material Balance, Equipment data sheets, Review of PFDs & P&IDs with client and UOP. Developed flare load and prepared operating manual.
Worked on CCR unit based on UOP technology for a refinery owned by SK in Seoul, South Korea. Prepared data sheets for all long lead items, prepared P&IDs, to accelerate work to be performed by other engineering groups. Participated in reviewing P&IDs with the client so that the whole project including the construction and commissioning of the project can be completed in 2 years
Worked on Hydrogen Plant based basic Engineering package based on Linde Technology.
2009 – 2011 - C&I (Chemical and Industrial Engineering), Louisville, KY
Senior Process Engineer
Specialized Training: Process training in refinery process technologies including FCC, Hydrocracker, Sulfur Recovery Unit, Isomerization, CCR and others.
Process Support Engineer on multiple projects for Marathon Refinery in the Midwest. Role involved being an extension of the Refinery Tech Service department in order to develop projects from conceptual ideas to process design package.
Worked with Pinch Technology tool in order to optimize heat recovery in preheat train for CDU and VDU. Presentation materials were developed for the process group.
Preparation of a cooling water model by AFT Fathom for CDU, Lube vacuum and Light End processing unit including field survey and test runs.
A preliminary go by simulation was developed for a Gas oil hydrotreater for Coal to Oil project in the production of crude oil. Worked on preliminary work for Hydrogen Plant.
2006 – 2009 - CB&I (Chicago Bridge and Iron), Houston, TX
Principal Process Engineer
Performed due diligence work on HF Alkylation package provided by UOP for Cartagena Refinery in Colombia. The package also included Selective Hydrogenation unit, Alkad and Butamer unit. Work involved checking of Heat and Material Balance using HYSYS, Equipment data sheets, Review of PFDs & P&IDs with client and UOP. Developed flare load and reviewed operating manual.
Detail design of a new onshore gas plant for Chevron in Cabinda, Angola, including checking of simulation, process equipment data sheet in the basic design package. Activities involved detail design of Amine system, refrigeration system, fuel gas system, flare system, depressurization of the entire plant in stages using Hysis. Actively participated in P&ID review and HAZOP of the entire plant. Prepared catalyst, chemicals and utility requirements.
Provide design and technical support for cryogenic gas plant including PFDs, P&IDs, process description, operating manual, design and review of relief system using the Aspen Tech software package Flarenet.
2000 – 2006 - ABB LUMMUS Global Inc., Houston, TX
(Refineries group of Lummus Technology Department)
Worked on DCU basic engineering package for Tesoro refinery in Washington to prepare design basis, simulation and equipment rating.
Prepared detail DCU technical proposals including design basis, simulation and equipment rating for Indian Oil Corporation (Gujarat refinery, Paradip refinery), Hunt Oil Company, Petrom in Romania and Salavat in Russia.
Delayed Coker Unit for Roseneft (Russia)- Prepared Basic Engineering Package (BEP) which includes heat & material balance using PRO II simulation, equipment data sheets, PFD’s, P&ID’s, HAZOP review of P&IDs and equipment layout.
Delayed Coker Unit for CNRL (Canadian Natural Resources) – prepared basic engineering package (BEP) for Coker Island (which includes Coker Heater, Main Fractionator, and Blowdown System). The BEP package included heat and material balance using PRO II simulation, equipment data sheets, PFDs, P&IDs, equipment layout and metallurgical flow diagram.
Crude and Vacuum unit revamp for Valero Refinery – prepared heat and material balance based on PROVISION simulator. Prepared a detailed feasibility report including sized equipment list, additional utilities required, plot plan review.
Licensor evaluation of clean fuels (Gasoline) project for Valero – performed licensor evaluation for two plants of capacity 13 & 55 KBD respectively with significant variation in the feed Sulfur contents. The evaluation included reuse of the existing equipment concurrent with single vs. two sites evaluations.
1996 – 1999 – FLUOR DANIEL, INC., Houston, TX
Cryogenic Ethylene Storage Facility for DuPont in Spain
Developed Hysim model, prepared PFDs, P&IDs, determined required utilities and the plot space. Major equipment included cryogenic double-walled atmospheric storage tank, boil-off compressors, pumps, vaporizers, hot oil and refrigeration system.
Following activities performed on Front-End Loading (FEL) report and subsequent Basic Design Package for batch production of Silicon Hydride (SiH) / Urethane Additive products based on existing plant in West Virginia for Witco.
Developed PFDs, material balance and metallurgical flow diagram based on plant visit. Prepared equipment and instrument data sheets and interfaced with client for approval. Also participated in preparation of the plot plan, layout for buildings and HAZOP review of P&IDs.
Sulfuric Acid Concentration (SAC) Unit based on Bayer’s Technology -Performed Hydraulic checks of miscellaneous circuits with review of pump circuits and relief valve sizes. Rechecked the Vacuum System and performed engineering follow-up. Interfaced with client in reviewing P&IDs.
Delayed Coker Unit (27500 BPD), BP Oil, Toledo, Ohio - Developed simulation of Gas Plant using PRO II. Prepared PFDs and Metallurgical Flow Diagrams for the whole unit. Developed P&IDs, equipment and instrument data sheets including relief valves sizes.
1989 – 1996 - BROWN & ROOT, Houston, TX
Offshore Production Facilities
400 MMSCFD gas production facilities for ARCO in China
Participated in the conceptual design including PFD development, heat and material balance. Worked on preliminary sizing of equipment. Prepared PFDs for wellhead platform, production platform and onshore reception& treating facilities.
Developed P&IDs for production platform and interfaced with Client for approval. Worked on Glycol Regeneration System. Prepared equipment and instrument data sheets including relief valves sizes.
400 MMSCFD gas production facilities for Exxon in Mobil Bay
Developed P&IDs for wellhead & production platform. Prepared equipment data sheets. Reviewed vendor drawings and prepared operating manuals. Interfaced with Client in reviewing P&IDs and coordinated with various engineering groups.
Petrochemicals
Union Carbide grassroot Ethylene Plant in Kuwait
Activities performed in the design of ethane and ethylene storage system from concept to completion include PFDs, basic control systems, vapor recovery system, P&IDs for basic package, equipment and instrument data sheets including relief valves sizes. Prepared operating manual for the above system.
Also prepared P&IDs, equipment and instrument data sheets, relief valves sizes and engineering follow-up for Depropanizer, Fuel Stabilizer, Fuel gas/Fuel Oil storage system.
Exxon’s Ethylene Plant revamp project in Baton Rouge
Worked in the replacement of existing Depropanizer & Demethanizer towers including reboilers and condensers. Performed hydraulic calculations and prepared instrument data sheets including relief valves sizing to revise existing P&IDs.
Refineries
Following activities were performed in the study of debottlenecking of PEMEX’s refinery in Mexico to increase throughput.
Developed heat and material balance for Naphtha and Diesel hydrotreaters using Hysim simulation. Prepared revised data sheets for the debottlenecked equipment of the hydrotreaters.
1980 – 1988 - ENGINEERS INDIA LTD., NEW DELHI, INDIA
Refineries
Prepared basic process design package including heat and material balance, developed P&IDs from concept to ‘Approved for Construction’ issue, equipment and instrument data sheets including relief valves sizes for grassroot Crude Distillation Unit.
Worked on Revamp of Crude Distillation Unit to increase throughput and to produce additional heavy naphtha cut. Identified modifications required in crude tower, crude preheat train and fired heater.
Prepared process design package including heat and material balance, equipment and instrument data sheets including relief valves sizes and P&IDs for Vacuum Distillation unit built by Barauni Refinery (Indian Oil Corporation) in India. Actively involved in engineering follow-up and HAZOP review.
Worked on engineering follow-up for Delayed Coker unit that included review of P&IDs and participated in pre-commissioning activities. Prepared Feasibility report for the instillation of Hydrocracker at Karnal (India) Refinery to maximize middle distillates.
Petrochemicals
Involved in detailed engineering of Maharashtra Gas Cracker Project.
Developed P&IDs, equipment and instrument data sheets for refrigerated storage of ethylene. Participated in detail engineering follow-up work for the Ethylene unit which was based on Stone & Webster Technology.
Worked on Process Design of utility systems including the steam and flare systems for the same Cracker Project.
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