Ali TOUATI

12023-2024 Project (Completed):

Full seismic Processing (2D-MLRE 2023)

Bassin : OUED MYA

Concession : MELRHIR

46 profils (MLRE) and 25 profils (MLRE-EXT) (Vibroseis's data acquisition)

2/ 2024-2025 Project (Ongoing):

Full seismic Reprocessing (2D-GOU-GOUA-SBA-TIM)

Bassin : TINDOUF, REGGANE ET SBAA

Concession : SBAA

110 profils (Vibroseis and Dynamite's data acquisition)

• 2024-2025 Project (Ongoing): Supervision of the ENAGEO Reprocessing Project (2DSAOURA)
• Bassin: BECHAR OUED NAMOUS
• Concession : SAOURA
• 66 profils (Vibroseis and Dynamite's data acquisition)
• Performed and supervised the following full processing tasks;
• Phase 01: Static Correction:
• Transcription (Data loading & resampling)
• 2D geometry & traces Edits
• Primary Statics Correction (Elevation, DRM, TOMO)
• Phase 02: Signal Processing:
• Despiking
• Amplitude Recovery
• Surface Consistent Amplitude Compensation (SCAC)
• First Pass Velocity Analysis
• Linear Noise Attenuation
• Random Noise Attenuation
• Deconvolution
• Q Compensation (Phase and Amplitude)
• Statics Residuals (CMP domain)
• Second Pass Velocity Analysis
• Phase 03: PSTM:
• Pre-stack Time Migration (Offset Domain)
• Third Pass Velocity Analysis
• Anomalous Amplitude Attenuation
• Phase 04: Post Stack Processing:
• Coherent Noise Attenuation
• Random Noise Attenuation
• Band-Pass Filter

Equalisation

• Seismic Processing of Test Cube 2015 (Est area).
• Seismic Processing of Test Cube 2015 (West area).
• Comparing Test Cube 2015 processing result (Est and West area) with 2010 processing.
• Seismic Interpretation of the Test Cube 2016 (West)
• Seismic Interpretation of the Test Cube 2016 (East)
• Seismic interpretation for full field of greater MLN;
• Seismic Well Tie and Analysis.
• Horizon and fault interpretation using DSG Software.
• Fault Polygon construction using DSG Software.
• Velocity Evaluation & Analysis.
• Built 3D Velocity Model.
• Velocity Model & TD Conversion.
• Time & Depth Maps.
• Involved in Phase 4 drilling campaign (drilled 12 new wells); the subsurface team realized this project from 2018 to 2020;
• Study, delineate the location of new wells to be drilled and ensure the integration of geophysical and geological data.
• Preparation and monitoring of drilling with geologist team.
• Participate on the passive seismic acquisition project for greater MLN area (2019);
• Workshop & instrument check.
• Parameter test & Well calibration.
• Instrument adjustment.
• Drilling and recording data.
• Field data acquisition & QC.
• Checking the fault and the possibility of communication between wells (injectors and producers) for each reservoir.
• Assist in presentations at Technical Committee meetings as well as other technical meetings with Partner.
• Work collaboratively within an integrated team including geology, petrophysic and reservoir engineering.

• Preplan and recording script making for field with Mesa engineer.
• Daily quality control of the recorded data and processing using ProMAX 5000 Software.
• Checking the daily recorded shots and choosing the data need to be re-recorded.
• Daily quality control of recorded shots with different plots.
• Daily quality control of the vibrators with different attribute plots.
• Preparing daily reports and uploading to system.
• Preparing the weekly data shipment as required by client.
• Performed the following processing tasks;
• Loading raw data & Geometry of Swath.
• Static correction.
• Dynamic correction.
• Velocity analyses.
• Residual static correction.
• Stacking (Stack).
• Cube creation & Visualization.