Nafisa Yousif ElSamani

Appointments: Acting Team Leader Process Engineering & Energy (from 2021-2023)

Appointments: COMPANY Technical Authority Level 2 (CTA 2).

Duties & Responsibilities:

Strategy and Production Planning:

• Gas Master & Business Planning; 5 upto 30 years Production Plan and Forecast
• Established Correlation and Impact of developed plans with Oil Production Impact
• Formulated/Designed Options for maximization of Assets utilization, to accommodate additional Gases communicated by ADNOC as part of 2030 Expansion Portfolio.
• Stringent sweetening of LNG Product to reduce Sulfur Species < 1 mg/Nm3: Assessment of Source-wise contribution, review of possible technologies and options, and development of full study roadmap.
• LNG Quality Assessment, Control & Contributory Factors to widen scope for Market Access.
• In-house process feasibility studies, Economics Assessment & Options Selection and Recommendation for different conceptual studies.
• Assessed different initiatives to maximize LPG productions via allocation of different gas sources
• Member of Project Management Office (PMO) to enhance market access, enhance production and find new market opportunities.

Inhouse Studies

• Pre-Feasibility inhouse study for new LNG train in Das Island, Ruwais, Fujairah. Scope includes: defining capacity of refrigeration unit, compression and driver sizes, power demand, AGRU and MSU size, storage and utilities – along with pros and cos for each site/location.
• Contributed in inhouse studies which result in production optimizations, such as:
• Increase production of LNG from 180 tons/hr to 190 tons/hr from both LNG Trains 1&2.
• Increase throughput of wet gas through TEG Glycol units of IGD facilities by 10%.
• Increase throughput of fuel gas through IGD Fuel Gas Treatment Units by 17%.
• Developed initiatives/ideas to boost LPG production.
• Development of thermodynamic model to predict LNG quality at arriving terminals, by estimating voyage length, LNG vessel volume, ambient temperature variations, etc.
• Performed inhouse studies, to develop preliminary design for boilers to supply IGD-E2, OAG and IGD facilities.
• Performed inhouse studies, to develop preliminary design for revised flare capacities after eliminating N+1 flares, while still ensuring back-up philosophy is maintained.
• Performed inhouse adequacy of IGD facilities to accommodate different gas quality in IGD facilities (Diversion of huge GG-II gas volumes on priority to IGD facilities).
• Performed inhouse adequacy assessment of LNG trains 1&2 to accommodate high volumes of CAP gas, Zirku gas, and GG-II gas (each separately), along with remedies/recommendations.
• Performed inhouse adequacy assessment of LNG train 3 to accommodate high volumes of CAP gas, Zirku gas, and GG-II gas (each separately), along with remedies/recommendations.
• Performed inhouse adequacy assessment of OAG facilities to receive different quality of LP gases, along with remedies/recommendations.
• Performed inhouse adequacy assessment of IGD-E2 FEED design to accommodate different quality of LP gases, along with recommendations (i.e. enlargement of coolers sizes, nozzles of K/O).
• Participated and reviewed technical modifications for various plant issues.

Energy Optimization, Sustainability & Decarbonization:

• Project Zero: Development of Energy reduction and Decarbonization schemes (over 19 schemes), to reduce GHG emissions and bring LNG emissions performance from 4th to 1st Quartile (Award Winning Project).
• Estimation and forecast of GHG emissions
• Performed Fuel Gas and Steam Balances
• Feed Gas & Fuel Gas Reporting for payment purposes
• Member of Internal & External 15001 Energy Audits
• Monitor, Report and validate fuel gas schemes, and SEU’s

Technology & Innovation

• Development of ADNOC LNG Technology Strategy
• Evaluation of production, use, storage, and replacement of fuel gas with Hydrogen
• Evaluation of various Hydrogen production technologies, their pros and cons, limitations and risks
• Economics Evaluation for various Hydrogen production technologies
• Deployment of Artificial Intelligence to enhance yields production, beyond APCI capabilities
• Assessment and evaluation of Helium Extraction Technologies

Brownfield & Greenfield Projects:

• Development of Scope of Service, technical bid evaluations, development of additional design requirements, and technical reviews.
• Performed role of PMT and PMC in absence of PMC team, to support company in cost savings
• Participated and contributed in generating Value Engineering, CAPEX & OPEX reduction initiatives.
• Acted as Lead Process Eng. & Process Engineering Focal Point for below projects:

IGD Re-bundling Project (FEED & EPC) – Completed:

• Description: Increase gas compression and conditioning capacity from 1,200 MMSCFD to 1,400 MMSCFD.
• Worth: 25 $MM
• Role & Scope:

a. Developed Scope of Service - for the overall Project, Machinery scope (from Process Eng.), and 3rd Party Dynamic Simulations Scope of service

b. Handled and reviewed technical bids, technical clarifications, and technical evaluations.

c. Developed Study Basis, Process simulation cases, and Process Compressor Datasheets for OEM evaluation.

d. Handled almost all Technical Queries, DCA’s, RFI’s, etc.

e. Reviewed technical deliverables; including: P&IDs, H&MB, Process & Instrument Datasheets, Process Simulations, Utility and Fuel Gas Adequacy, Flare, PSVs and Blowdown System Adequacy, piping and equipment adequacy, dynamic simulation outcomes, Revised settle out conditions, Adequacy of compressors anti-surge loop, etc.

f. Participated in HAZOP, SIL and Dynamics simulation workshops.

TSR Project (ASSESS, SELECT, FEED) – Completed; EPC – Ongoing:

• Description: Reduction of Sulfur species in LNG from 4-9 mg/Nm3 to less than 1 mg/Nm3
• Worth: 65 $MM
• Role & Scope:

a. Developed Scope of Service, Study roadmap and approach, and Study Basis considering future expansions / all operating modes (with ADNOC Offshore). Also, undertaken rigorous Sulfur Campaign for all feed gases & across the full LNG process.

b. Handled and reviewed technical bids, technical clarifications, and technical evaluations.

c. Developed Risk Matrix and Mitigation Plans to ensure successful recovery to overcome all possible challenges (project was one of a kind across LNG industry)

d. Reviewed all technologies for sulfur species removal (HySweet, Sulfinol derivatives, UOP technologies, BASF), MolSieve polishing including generable and non-regenerable/sacrificial sulfur guard beds.

e. Reviewed technical deliverables: Simulation Models of sulfur propagation across the LNG chain, concentration effects due to BOG, Datasheets, adsorption cycle and loading diagrams, Utility adequacy, etc.

Debottleneck of LNG Trains (Feasibility) – Completed:

• Description: Process additional 200 MMSCFD of different gas quality in LNG trains.
• Worth: 1 Billion Dollars
• Role & Scope:

a. Developed Scope of Service, handled and reviewed technical bids, technical clarifications, and technical evaluations.

b. Generation of Production Profile, and revised LNG production and specification. Review of economics/cost benefit analysis.

c. Reviewed technical deliverables

MERAM Project; ASSESS, partially SELECT - Completed:

• Description: Extraction and Recovery of C2 from rich LNG trains, and diversion of extracted ethane to be processed in another existing facility for gas export to onshore facilities.
• Worth: 2.6 $MM
• Role & Scope:

a. Developed Scope of Service, handled and reviewed technical bids, technical clarifications, and technical evaluations.

b. Development of Study Basis, and governing cases.

c. Handled Technical Queries, RFI’s, etc.

d. Generation of Ethane Production Profile, and revised LNG production and specification. Review of economics/cost benefit analysis.

e. Ethane Extraction Technology reviews and ranking

f. Reviewed technical deliverables; including: PFD, H&MB, Process Simulations, Utility Adequacy, Flare and Blowdown System Adequacy, heat integration, Single Point of Failure etc.

Energy Optimization & Flare Gas Recovery Schemes – Feasibility (completed), SELECT (Ongoing):

• Description: Generation of 11 schemes to reduce fuel gas consumption, enhance energy integration, and reduce GHG emissions.
• Worth: 1.6 Billion Dollars
• Role & Scope:

a. Reviewed technical deliverables.

b. Prepared Scope of Service for SELECT Stage and handled technical clarifications.

c. Assisted in the development of Business Case, HSE classifications, and preparations for Gate Contract as per VAP procedures.

d. Preparation of Decision Support Package.

Electrification of Major Machine Drivers:

• Description: convert refrigeration machinery from steam drivers to electrical drivers
• Worth: 1.2 Billion Dollars
• Role & Scope:

a. Provided process inputs and reviewed technical deliverables.

b. Prepared Scope of Service for SELECT Stage and handled technical clarifications.

c. Development of Business Case, and study of various implementation strategies to reduce outages and enhance business case/profitability.

Liquid Flare Project (Feasibility & Pre-FEED) – Completed:

• Description: address existing liquid flare issues and replace the same via flares that utilize different technologies
• Worth: 100 $MM
• Role & Scope:

a. Development of Study Basis, provide technical inputs, and review of technical deliverables.

Sarb Gas to Existing LNG facilities (Feasibility) – Completed:

• Description: Process Sarb gas in existing or new LNG trains
• Worth: 1.4 Billion Dollars
• Role & Scope:

a. Developed Scope of Service, handled and reviewed technical bids, technical clarifications, and technical evaluations.

b. Development of Study Basis, and governing cases.

c. Review of various LNG technologies, and process/utilities adequacy reviews

d. Business Case, and economics evaluations.

Acid Gas Diversion & CO2Recovery (Feasibility) – Completed:

• Description: 1) Extract CO2 and divert to CO2 Recovery Hubs, 2) Divert acid gases from offshore to onshore and recover CO2 onshore
• Worth: 3.5 Billion Dollars
• Role & Scope:

a. Developed Scope of Service, handled and reviewed technical bids, technical clarifications, and technical evaluations.

b. Handled Technical Queries, RFI’s, etc.

c. Development of Study Basis, and governing cases.

d. Review of various technologies, and process/utilities adequacy reviews

e. Business Case, and economics evaluations.

NMGL Project (FEED) – Completed:

• Description: Diversion of rich gas source to Gas Export Facility.
• Worth: 513 $MM Dollars
• Role & Scope:

a. Reviewed technical deliverables.

b. Handled Technical Queries, RFI’s, etc.

c. Prepared Scope of Service for SELECT Stage and handled technical clarifications.

d. Reviewed technical deliverables; including: PFD, H&MB, P&ID, Hydraulic studies, process and utilities adequacy, Flare and Blowdown adequacy, etc.

e. Participated in HAZOP and SIL studies.

• Savings:

a. Generated an idea that resulted in a saving equivalent to around $10 MM

IGD-E2 Project (EPC) – Ongoing

• Description: 1) Design 3 gas compression/conditioning trains to export 370 MMSCFD of gas to onshore, 2) design 2x80 MMSCFD FGTU to supply full Das Island with sweet fuel gas, 3) design 32 MW Power Generator.
• Worth: ~ 1 Billion USD.
• Role & Scope:

a. Attached for 11 months as Process Engineering Technical Authority at home office; Technicas Reunidas – Madrid.

b. Assisted in finalization of Scope of Service.

c. Developed Additional Design Requirement (ADRs); which included: New preliminary designed Low Pressure Boiler, conversion from Fire Heaters to Steam heaters, optimization of flare integration to avoid the need for additional back-up flare, re-sizing of some equipment due to changes in Gas Profiles, etc.

d. Handled and reviewed technical bids, technical clarifications, and technical evaluations.

e. Handled almost all Technical Queries, DCA’s, RFI’s, etc.

f. Re-validation of Study Basis, and inclusion of additional cases due to new profiles

g. Reviewed technical deliverables; including: PFD, H&MB, P&ID, Hydraulic studies, dynamic studies, process and utilities adequacy, Flare and Blowdown adequacy, etc.

h. Participated in vendor and non-vendor HAZOPs, SILs, Dynamic simulations, 30%-60%-90% Plot Plan Reviews, Value Engineering Workshops, etc.

• Savings:

a. Numerous monetary savings, and fast track studies to accommodate changes in profiles without schedule impact.

LNG 2.0 – FEED Competition (To commence)

• Description: Combination of 1.4 BSCFD Ethane Extraction / NGL Recovery unit, 330 MMSCFD New LNG Train, and electrification of major machineries.
• Role & Scope

a. Developed Scope of Service, handled and reviewed technical bids, technical clarifications, and technical evaluations.

b. Developed Study Basis Guidelines and full excel numerical Model.

c. Generation of Ethane Production Profile, and revised LNG and LPG production rates and specifications. Prediction of needed Propane injection to achieve minimum required LNG GHV, and impact on LNG production.

d. Preparation of Decision Support Package.

Project 5.0 (Combined SELECT & FEED) – Ongoing:

• Description: Lay additional 700 MMSCFD dehydration, compression and gas export facilities.
• Worth: 600 $MM (Estimation)
• Role & Scope

a. Developed Scope of Service, handled and reviewed technical bids, technical clarifications, and technical evaluations.

b. Developed Study Basis Guidelines and full excel numerical Model, from which Study Basis was developed.

Rejuvenation (EPC) – Ongoing:

• Description: Life extension of assets for another 20 years by replacement of critical equipment, and replacement of sea water cooling with jacket desalinated water for certain equipment.
• Worth: 130 $MM
• Role & Scope

a. Review technical deliverables; including: PFD, H&MB, P&ID, Hydraulic studies, process and utilities adequacy, philosophies, datasheets, etc.

Workshops/Audits

• Chaired and participated in several HAZOP workshops
• Participated in several Audits as a Core Audit team
• Participated in several RCA’s
• Participated in several SIL workshops
• Participated in several Process Design Workshops
• Participated in several IPRs, Peer Review Workshops, Constructability Reviews, Value Engineering Workshops, Energy Optimization Workshops, etc.

Development of Youth:

• Designed training programs for university Interns, and process eng. tasks for Entrees/Developees.
• Trained all university interns attached to Process Engineering Disciplines, since 2014.
• Trained, supported and guided young engineers in their day-to-day tasks, and reviewed their work.
• Coach & Mentor for all new joiners in Process Engineering Department for the past 7 years

Duties & Responsibilities:

Conceptual Studies & Projects:

Process adequacy, re-vamp and conceptual de-bottleneck and optimization studies, such as (to mention few):

• Increasing discharge pressure of OAG compressors from 145 barg to 154 barg
• Re-engineer ASV size for C3 machines to resolve trippage of machines
• Replacement of OAG lean/rich exchangers with higher UA’s to reduce TEG losses
• Full LNG plant simulation, including compression facilities, along with validation & Optimization
• Full Sulfur Retention Unit simulation, validation & Optimization
• Piping Simulations, Flare Adequacy studies
• Support in the review of technical documents of FER-9 Project (partially)

Workshops/Audits

• Involved in the establishment of Energy Management System as per ISO 50001
• Participated and Chaired several HAZOP workshops
• Participated in several Audits as a Core Audit team

Duties & Responsibilities: Adequacy Verification of Pressure Safety Valves of Ruwais NGL Units