Process Design Engineer
Mobil Producing Nigeria Unlimited
مجموع سنوات الخبرة :17 years, 4 أشهر
Provide conceptual, FEED and Detailed Engineering solutions to increase oil and gas production, maintain integrity of assets and turn opportunities to profit-yielding facilities. Monitor and supervise contractor engineering design, review Process documents and maintain quality and safety in design of final IFC package.
This is a project-based position. Achieved project objectives for each work pack through the following tasks:
• Defined protected systems on P&IDs
• Developed overpressure scenarios spreadsheet and identified site-wide failure cases
• Developed individual protected system sketches using Microsoft Visio
• Performed overpressure scenario analysis, including identifying overpressure sources and basis for excluding non-applicable scenarios.
• Input PSV data, equipment data, PSV inlet and outlet isometrics and other supporting documentation into iPRSM
• Performed relief calculations using iPRSM
• Performed Acoustic-Induced Vibration screening for compressor spillback systems and depressuring / blowdown systems
• Provided leadership for and essential technical input into projects involving wellheads, flow lines, pipelines, production facilities, power plants, gas compression stations, petroleum product depots, firefighting facilities, and pigging facilities.
• Analyzed clients’ documents and work scopes. Reviewed and performed verifications of FEED documents, identified and documented gaps between the design and client’s engineering specifications using the commenting tool bar in Adobe PDF files of the documents and provided recommendations for closure of the gaps by stating the risks involved if the gaps were not closed resulting in a quality detailed engineering design of the facility.
• Reviewed process documents and deliverables to ensure their compliance with quality standards which led to less re-work.
• Determined the sizing and selection of pumps, vessels, lines and control valves.
• Conducted blow down study of gas systems using HYSYS depressuring utility tool to establish both peak flow rate and minimum temperature. These results were used in sizing the downstream restriction orifice and to determine the appropriate metallurgy for the relief system piping.
• Performed AIV screening for compressor spillback systems and depressuring / blowdown systems in order to establish piping that required support because of expected vibration at sonic flows.
• Executed relief studies - overpressure scenario analysis, relief load determination and PSV sizing calculations using recommendations in API 521 and 520 Part I. Utilized a specialized software (iPRSM) for the evaluation of the adequacy of existing PSV orifice areas, inlet and outlet pipe sizes.
• Performed flare network analyses using FLARENET to design flare headers, PSV tail pipes and select appropriate PSVs.
• Performed process simulations using HYSYS to establish optimum process operating conditions and equipment duties (e.g compressor and after cooler )
• Utilized PIPEPHASE to perform hydraulic analyses to estimate the most appropriate piping and pipeline sizes based on desired flow rate and arrival pressure.
• Calculated tank level settings, alarm and trip settings for pressure transmitters, utility ( air, potable water, power, diesel, gas) consumption, oil-water separator size, firewater/foam demand. Performed adequacy checks on existing process and utility systems.
• Designed corrosion inhibition system; calculated hydrate formation inhibition injection rate.
• Determined the optimal PVRVs for low pressure systems using recommendations in API 2000.
• Prepared technical reports concerning bases of design, process design philosophy, API 14C compliance, firewater demand, equipment sizing calculation notes, Flare, Relief and Blow down Philosophy
• Established procedures for operations, pre-commissioning, commissioning, and shutdowns.
• Developed and updated PFDs, UFDs, P&IDs and Utility P&IDs using clients’ specifications and industry standards. Participated in P&ID reviews, and implemented decisions reached by those reviews.
• Prepared line lists, equipment lists, tie-in lists.
• Prepared site visit checklists and participated in site visits for data collection; generated redline markups and created as-built P&IDs.
• Designed bitumen handling and storage facility.
• Participated in hazard and operability (HAZOP) workshops and prepared HAZOP close-out reports.
• Prepared SAFE charts.
• Drew up responsibility worksheets and developed person-hour utilization tracking spreadsheets. Worked with Project Controls to establish work schedules and milestones.
• Organized and reviewed teams’ work to ensure that the highest quality standards had been observed.
• Successfully delivered a project after the Lead process engineer left the project abruptly.
• Contributed to progress meetings and technical reviews with clients.
1. Preparation and maintenance of simple process flow diagram including heat and material balances.
2. Execution of process calculation and simulations
3. Preparation of process datasheets
4. Initiate P&ID and U&ID; carry out sizing of safety devices.
5. Carry out any other duties as directed by supervisor/lead.
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