Consultant Reservoir Engineer with 15 years experience in upstream

SUMMARY

Highly knowledgeable Petroleum Reservoir Engineer with more than 15 years in the oil & gas upstream industry, a proven capability to identify, analyze and solve problems, with expertise in reservoir management, dynamic modelling and well surveillance for carbonate and sandstone reservoirs. Quality-focused with a strong attention to details, excellent communication skills in international asset team environment.

Working in an international and multicultural environment asset team in Libya and Algeria.

Proficient in coordinating the work tasks and providing technical support to subsurface team.

Lead and participate in integrated reservoir simulation studies including data analysis, model construction, history matching, development plan and reserve estimation.

Demonstrated expertise in mature fields and enhanced oil recovery projects for both saturated and undersaturated reservoirs.

Experienced in managing and analyzing condensate, dry gas, and oil reservoirs.

DCA, Gas-Water injection management and production optimization, Spotfire, OFM.

EOS and Mature field study using PVTSim Nova, PVTP.

Proficient in Reservoir Simulation Modelling using: Eclipse, Intersect IX, VIP and Nexus Landmark.

Well test interpretation software – SAPHIR, EMERAUD.

Pre and Post processor software: Petrel RE, Amarile, Tecplot, Ultraedit, Nexus view, Simdata studio.

Water alternating gas (WAG) pilot monitoring, interpretation, calibration, and documentation.

Participated in different seminars and international meetings as company representative.

Assess risks and uncertainty regarding cost benefits and economic evaluation.

Drive a multidisciplinary asset team within a joint venture partnership organization.

Skilled in reserve evaluation as per PRMS for developed and undeveloped asset

Excellent communication and presentation skills in English, French, Arabic.

Strong computer skills: Excel, Word, PowerPoint, Access, Windows.

EMPLOYMENT

Consultant Reservoir Engineer 2023 - Present

Murzuq Technical Subsurface Support Ltd (MTSL), NOC Libya, Tunis office - Tunisia

Reserves evaluation by PRMS classification for AGOCO-NOC company using different methods, decline curve analysis, volumetric or numerical modeling for booked reserve assessment.

Well production optimization for quick and long-term wins as part of the master plan

Evaluate and update dynamic models for revised field development plan RFDP including uncertainty evaluation.

Prepare the first Gas Field Development Plan after drilling appraisal wells for Zalaf company including dynamic modeling and drilling schedule within an optimum plateau rate for economic evaluation.

Developed and implemented new technologies and solutions to enhance hydrocarbon recovery and reduce costs, improving economic viability as part of Field Development Plan (FDP).

Reservoir Engineering Team Lead 2020 - 2023

El-Merk Field, Groupement Berkine. Reservoir Direction, OCCIDENTAL PETROLEUM. SONATRACH (JV)

Onshore Algeria-STOIIP 3 Bbbl. 250,000 BOE plateau, crude oil, gas condensate, gas and LPG; EOR including miscible gas-waterflood, parallel simulation run for 14 multi reservoir fields modelling. Working in multidisciplinary environment overseeing two reservoir engineers, two petroleum engineers, two geologists, one petrophysics, one geophysicist, from several nationalities and cultures.

Ensured alignment of projects and processes with organizational policies and objectives; led multidisciplinary teams and supported all reservoir engineering activities in Block 208, including static-dynamic modeling, development planning (POD), resource assessment, and Improved Oil Recovery (IOR) studies.

Lead Sulzer pump upgrade (4 pumps) project to increase water injection volume, +16 MBWPD, incremental 70 MMSTB in 2050, within the appropriate discharge pressure.

Managing PVT Studies, validating PVT lab results, construction of EOS models.

Well surveillance and reservoir management plan to improve injection efficiency and recovery.

Conduct EOS study by optimizing the lumping of pseudo-components to reduce the CPU running time by 60% for Regional Full Field Model (RFFM).

Construct EL-Merk reservoir model from scratch, history match of 14 fields to build ‘RFFM’ for prediction, reservoir development optimization, and well implementation recommendation.

Schedule fluid sampling and well testing programs regarding production and reservoir needs.

Debottlenecking numerical project to improve Central Processing Facility ‘CPF’ limit capacity.

Submitted predicted reserves for new prospect evaluation after post drill update.

Compile and prepare technical committee meeting (TCM), projects preparation, and presentation for technical sanction.

Ranking hook-up, workover and drilling schedule priorities for all the fields.

Coordinate the monthly asset performance to managers to raise issues-forward plans for each reservoir region and quantified impacts for different interventions to be performed in the future.

Implemented the Digital Oil Field (DOF) system, including PVT integration and production optimization workflows. Coordinate with IT and facility teams.

Reservoir Engineer 2013 - 2020

Hassi Berkine Field, Groupement Berkine. Reservoir Direction, OCCIDENTAL PETROLEUM-SONATRACH (JV)

Volatile oil field onshore Algeria-STOIIP >3.4 Bbbl. 260,000 BBL plateau, EOR Miscible HC gas flood development- onshore 71 producers-36 WAG injectors-17 gas injectors-31 water injectors, 1st oil 1998, black oil and compositional model. Model grid 1.5 million cells, parallel run using cluster for modelling.

Working alongside geoscientists to refine and build the static geologic models using PETREL software to fix equilibrium issues, add-reduce sand for a specific reason, discuss volumes and facies, segments, original oil in place distribution for developed and undeveloped area, tops, depths, faults, WOC’s.

History matching of preproduction data (MDT data, build up, and interference test data).

Upscale the static model by running sensitivity cases for checks and validation.

Prediction assumptions coordinator: coordinate with all the field departments to collect different constraints to be incorporated in the RFFM (5 fields with multi reservoir, 15 reservoirs in total).

Build Regional Full Field Model -RFFM- for forecasting using the probabilistic approach of the upcoming 5-30 years and optimize the best-case scenario to finalize Hassi Berkine development plan including potential Central Processing Facility upgrades and well technologies constrained by different assumptions.

Utilized results from an extensive SCAL program, primarily capillary pressures, to develop new saturation models integrated with updated geostatistical models; validated new models by comparing with existing log data.

Conduct flowing bottom hole pressure (BHP) project for mature area in miscible gas flooding reservoir using PVT tests and numerical approach to decrease BHP limit.

Supported reservoir engineering for non-producing fields (exploration and development), including pre-production history matching, reservoir development planning (depletion, waterflood, gas flood, WAG), reserves evaluation, and production-injection forecasting to optimize CPF and offsite facility sizing. Identified well issues and designed mitigation plans such as workovers, water shut-offs, perforation adjustments, stimulation, and well activation. Developed well flow models using Prosper to forecast performance.

Evaluated and monitored Water Injection efficiency and applied various diagnosis methods such as Hall plot, Chan plot, and conformance analysis for monitoring and evaluating water.

Interpret-Analyze reservoir surveillance activities after preparing data gathering programs required for the fields such as PDHG, MPLT, PLT, CPI’s, MDT’s, initial well test, interference tests.

Optimize and manage injection, WI 300 MBWPD +GI 640 MMSCFD versus production based on voidage calculations and injection support efficiency (gaining +7000 BOPD).

Well surveillance and stimulation investigation for frac, acid job, and asphaltene wash.

Prepare and participate in numerous technical presentations and reports to Groupement Berkine management, Sonatrach, and foreign partners for discussion and approval during technical committee meetings (TCM) or ordinary meetings.

Production Engineer 2012 - 2013

Hassi Berkine Field, Groupement Berkine. Reservoir Direction, ANADARKO-SONATRACH (JV)

Report daily water-gas injection and production with allocation factor calculation.

Well design improvement using smart completion (coil in coil, Gas lift, dilution water).

Update the quadratic equation with a new coefficient from Prosper after new tests.

Investigate asphaltene and salt issues to proceed with a quick solution (i.e. flow back).

Gas lift and dilution water optimization for oil producers (reduce 30 MMSCFPD) of gas lift while keeping the same production performance.

Plan and scheduling well intervention by priorities (coil tubing, slickline, E-line).

Responsible for the application of monthly production offtakes plans done by the subsurface team.

EDUCATION AND CREDENTIALS

Master of Science in Reservoir Engineering 2010 - 2011 Algerian Petroleum Institute – Boumerdes - Algeria

Bachelor of Science in Mechanical Engineering - Specialty: Energy 2003 - 2009 University of Constantine – Constantine - Algeria

DJEBLI MAHCENE

Senior Reservoir Engineer

Adress: SOREPIM City, bloc 29 N 05 EL-KHROUB, CONSTANTINE, ALGERIA

Nationality: Algerian

Marital status: Married

+216-**-***-*** - *************@*****.***

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