Senior Reservoir Engineer

Non-Business Use

Ahmed Taya Mahran Snr. Reservoir Simulation Engineer

*****-*-******@*******.*** +965******** • Kuwait – Ex-Schlumberger https://www.linkedin.com/in/ahmed-mahran-0367bbb/

Ahmed Mahran Snr. Reservoir Engineer with extensive international experience in oil and gas in multicultural and multidisciplinary environments. Experience in onshore and offshore oil and gas condensate, sandstone, carbonate, and narrow (non-conventional) resources. He has spent more than eighteen years in various technical and international positions in Qatar Petroleum, Kuwait Oil Company, Schlumberger, British Gas, British Petroleum and Egyptian Natural Gas Holding Company (EGAS). Expert in oil and gas field development plan, reservoir modeling, reservoir management, flow well testing, and production optimization techniques. Demonstrated ability to plan and execute strategies that increase field production and maximize oil recovery at optimum cost. Skilled at conducting in house consultancy and training courses. Dedicated to promoting a culture of safety and ensuring quality control. Adeptly manage reservoirs, update analytical and simulation models, analyze data (spotfire) and prepare reports. Superb communication skills, problem solving and command of the English language. Personable and effectively manage relationships with all stakeholders. Mentor young engineers and lead of teams. Areas of expertise include:

Reservoir Simulation/Management Water Flooding / Tracers Reservoir Geoscience

Integrated Reservoir Modeling Studies Fluid Sampling/Modelling Well Drilling/Intervention

Production Forecasting/Optimization Smart Well Completion- ICDs $ ICVs Well Test Analysis

Resource Estimation/Classification Horizontal and Multilateral Wells Nodal Analysis

Reservoir Development/Surveillance Production Technology Field Reviews

Leadership & Technical Supervising Integrated Fracture Analysis Health & Safety

EOR Screening/Techniques Core Analysis Modelling Economic Evaluation Professional Experience

Schlumberger International • Kuwait • September 2012 to July 2020 Senior Reservoir Simulation Engineer Consultant- Kuwait Oil Company “KOC”. Senior Reservoir Engineering Consultant, North Kuwait Jurassic Gas Field, NKJG (KOC) 2015-2020

Development plan for unconventional reservoirs (long horizontal wells with multi-frac strategies)

Field Development Plan (FDP) and well optimization for unconventional reservoirs.

Simulation (HM and forecast) of the two fields comprising 50% of the in-place HC of all NKJG asset.

HM and prediction for Sabriyah field. Forecast optimization for optimal field development strategies.

Coupled 19 numerical simulation models for all NKJ assets, to update Asset Action Plan (AAP2016/17) with facilities upgrades schedules and sensitivity scenarios to maximize ultimate recovery.

Prepare five years short term plan for drilling/workovers.

Provide planning team with field prediction impurities (H2S, CO2, and N2) concentration for facility design.

Working with Shell (NKJG) for the new Field Development Study FDP, including a new dynamic model for the Jurassic Asset, with developing Kerogen unconventionally.

Follow-up drilling activities and review engineering data acquisition (MDT/PLT/PTA).

Demonstrate the reservoir uncertainties and mitigate the possible risk. Senior Reservoir Engineering, Project Consultant (Greater Burgan Field Study team), KOC 2012 - 2015

Full Field Model (FFM) with production data (1000+completions), well events & over 100 new wells annually.

Prepare model and run forecast cases to deliver the Asset Action Plan for Greater Burgan using FFM Model.

Prepare Water-flooding scenarios for WARA and 3SU PMP projects.

Prediction scenarios to understand field behavior, water shut-off, infill and ESP. Schlumberger International • Kuwait • September 2008 to August 2012 Senior Reservoir Simulation Engineer Consultant- Qatar Petroleum “QP”. Technical Team Leader – MMBH Production Back Allocation Project- Schlumberger Qatar 2010 to 2012 Production back allocation, “Bul-Hanine and Maydan-Mahazam Fields”

Documented the historical well test validation procedure and improved allocation of commingled well tests

Recommended well tests to improve well testing performance and validity.

Technical contribution for PID document (Project Initiation Document). Deliverables, Scope and Project plan Technical Team Leader - execution phase:

Data Gathering and Consolidation,

Preparation, Calculation and Modeling,

Well Test Verification, Calculation of Theoretical Rates and Allocation Senior Reservoir Engineer – DUKHAN Production Back Allocation Project – Qatar 06/2008 to 12-2010 Schlumberger – Doha, Qatar

Non-Business Use

Consultant in QP for Production Back Allocation –DUKHAN Field- responsible for: Prepared assessment and proposal for Phase II (Flow well test validation)

Created standard workflow well test validation and QC

Used Well model and decline curve analysis to estimate production.

Supported QP engineers in the study of smart completion evaluation for DUKHAN (Arab C). Petrel RE, OFM and Advanced Eclipse Instructor (QP, KOC, QG, Dolphin, Shell and Maersk).

Consultant in Dolphin Company to update and upgrade the geological and dynamic models

QC geological model, up-scale structure and properties for the fine model

Presented Eclipse Features for tertiary recovery in EOR workshop (SLB and QP)

Worked with EOR team in QP to model the lab core experiment for Low Salinity injection technology

Delivered sensitivity study applying the EOR features in Eclipse. British Gas & Rashid Pet. Co. • Egypt • January 2002 to September 2008 “WDDM Prospect” Reservoir Simulation Engineer

Matched 3D dynamic model (Eclipse) of Rosetta Field with MSW (Multi Segment Option)

Evaluated and matched smart completion of Integrated Control Valve in dynamic model.

Created and Ran coupled model of Rosetta Field. Consisted of 5 fields & Platforms. Determined time of next drilling phases. Booster and full compressions to help management’s decision on drilling phase acceleration

Follow-Up Rosetta Field Phase III drilling, planning and analysis MDT data and use in the forecast

Simulation, history match and forecasting of gas condensate reservoir [Sapphire Field].

Full Field Management to study the influence of field production, on other fields, using ECLIPSE coupling with surface network.

Generated and matched VFP tables for wells and surface network (PROSPER–GAP and PIPESIM)

Well location optimization to achieve the highest reserves and longest plateau [sapphire field Phase II].

Established reservoir study work program to optimize hydrocarbon recovery in the assigned reservoirs.

Prepared reservoir management start up procedures for new wells.

Mentored, trained and coached new Reservoir Engineers. Egyptian Natural Gas Holding Company-EGAS (EGYPT)

Prepared annual production and reserves reports

Prepared and discussed, Capex, Opex and field development with partner companies BP-Egypt – CAIRO, EGYPT (Secondment)

Built 3D dynamic model for Tao Field using VIP to prepare FDP

Evaluate the Volumetric-HCIP of the prospects in ONS Fields by Seis-work and Z-map Program

Reviewed Field Development Plan for West Delta Deep Marine concession LNG Train-1 & Train-2.

Built full field production nodal analysis model using GAP software Education

B.Sc. in Petroleum Engineering-Exploration & Production 2001, Suez Canal University, Suez, Egypt. Master in Petroleum Engineering, Heriot-Watt University, UK. (on hold), Training & Computer Proficiency

Advanced Reservoir Simulation Special & Routine Core Analysis Reservoir Characterization and 3D Modelling Global Gas Reservoir Problems Studies Naturally Fracture Reservoir Analysis Evaluating and Developing Shale Resources Pressure Transient Analysis Global Reservoir Problem Case Studies Open & Cased Hole Log Analysis PVT Analysis Nodal System Analysis & Production Optimization Gas Reservoir Engineering Well Test Analysis Reservoir Management Formation Damage & Well Stimulation Coring & Coring Analysis Enhanced Oil Recovery SCAL Study Water Flooding Mechanism Equation Of State (PVTi) ECLIPSE / PETREL Software Integrated Reservoir Analysis And Management Oil Field Manager (OFM). VIP Landmark ECLIPSE-100 &-300 PETRE-RE GigaPOWER Sim-Reservoir MEPO PIPESIM AVOCET IAM PVTi PROSPER MBAL GAP PAN SYSTEM SAPHIR PVTP PVTSIM INTERSECT PYTHON OFM EORt Merak PEEP. Affiliations

Society of Petroleum Engineering Member (SPE)) Egyptian Engineering Syndicate Member Kuwaiti Eng. Council

“References and publications are available upon request”

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