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Mahir Brahimi

@mahirbrahimi

Reservoir Engineer at Sonatrach and independent Well Testing Instructor, supporting well tests and reservoir performance evaluation.

Algeria
Message

At Sonatrach, I monitor reservoir performance, prepare surveillance reports, and track well deliverability. I also assist with planning and evaluating well tests and support production optimization initiatives.

At SLB, I ran well testing operations across exploration and production wells, including frac flowback and sand management packages. I also operated MPFM (Vx) systems and supported clients with well performance.

As a Well Testing Supervisor at Mediterranean Petroleum Services, I supervised sand management operations and monitored pressure drop, flow rates, solids production, and erosion indicators.

As an independent Surface Well Testing instructor, I deliver technical training in well testing fundamentals, surface testing equipment, sand management systems, and production testing operations, including MPFM basics.

Experience

Work history, roles, and key accomplishments

Self-employed logoSE
Current

Surface Well Testing instructor

Feb 2026 - Present (7 months)

Delivering technical training in:
- Well Testing Fundamentals & Surface Testing Equipment.
- Sand Management Systems & Production Testing Operations (Including MPFM basics)

Sonatrach logoSO
Current

Reservoir Engineer

Sep 2025 - Present (1 year)

- Monitor reservoir performance (rate trends, pressure behavior, water/gas breakthrough).
- Prepare routine reservoir surveillance reports and performance summaries.
- Track well deliverability and identify underperforming wells.
- Assist in planning and evaluating well tests (build-up, drawdown, DST, production tests).
- Support production optimization and recovery improvement initiatives.

Mediterranean Petroleum Services logoMS

Well Testing Supervisor (SMS)

Oct 2024 - Sep 2025 (11 months)

- Supervising daily operation of sand management systems.
- Monitoring system performance parameters (pressure drop, flow rates, solids production, erosion indicators).
- Ensuring timely flushing/cleaning to maximize sand removal efficiency and minimize carryover.
- Coordinate with client supervisors and production engineers to adjust flow rates when excessive sand is detected.

SLB logoSL

Reservoir Performance | Senior Well Testing Engineer

Nov 2021 - May 2024 (2 years 6 months)

Running MPFM (Vx) daily Operation, Helping the client to reach a consistent and optimized Wells.

Running Well test Operations, E&A Wells / Production Wells / Frac Flow Back & Sand Management Packages.

Working on post-frac cleanout campagns for JV BP Equinor- SH, with full compliance to QHSE standards & regulations.

Conducting and leading multiple Drill Stem Test and Bleed off operations with a

SLB logoSL

Well Testing Engineer

May 2018 - Apr 2021 (2 years 11 months)

- Conducting and leading multiple Drill Stem Tests, Bleed off operations and frac flow back campaigns with a documented success.
- HP/HQ Well test design, simulation and executing, with full compliance to QHSE standards.
- Implementing and operating surface data acquisition sets ( SWAN Sets) to monitor Well deliverability.
- Operation expertise of DART / HELIOS HART communication sets

NESR logoNE

Well Testing Supervisor

Jan 2021 - Mar 2021 (2 months)

- Performing inline combined Production testing operations for SONATRACH devision of production @ HMD & Joint venture SONATRACH-TOTAL-REPSOL @ GTFT
- DAQ engineer work experience, Operating Fardux (IDEA software) sets in production testing operations.
- Performing inline combined Production testing operations for SONATRACH devision of production @ HMD & Joint venture SONATRACH-TOTAL-REPSOL @ GTFT

Education

Degrees, certifications, and relevant coursework

SL

SLB

Common Data Operations (Data Validation/ Fluid Behavior/PVT)

Issued Jul 2022 · Expired Jul 2022

SL

SLB

Multiphase Data Operations (MPFM / Vx Spectra Technology)

Issued Aug 2022 · Expired Aug 2022

NE

NESR

Fardux IDEA Hybrid Data Acquisition

Issued Jan 2021 · Expired Jan 2021

SL

SLB

Well Testing Field Engineer Level 1

Issued Mar 2019 · Expired Mar 2019

SL

SLB

Well Testing Field Engineer Level 0/0+

Issued May 2018 · Expired Jul 2018

FB

Faculty of Hydrocarbons and Chemistry - University of Boumerdes

Master Degree, Petroleum Engineering

2012 - 2017

Option : Production of Oil & Gas

Tech stack

Software and tools used professionally

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