Summary
Overview
Work History
Education
Skills
Certification
Affiliations
Accomplishments
Timeline
Generic

Abuelabass Hassan

Brisbane,QLD

Summary

Dynamic Operation Geologist with extensive experience at SLB and SPC, excelling in real-time data analysis and geological interpretation. Proven expertise in reservoir analysis and wellbore stability assessment, complemented by strong communication skills. Successfully collaborated with multidisciplinary teams to enhance drilling operations and mitigate geological challenges.

Overview

15
15
years of professional experience
1
1
Certification

Work History

<ul><li>Collect and analyze drill cuttings, providing detailed lithology descriptions and gas chromatography data.</li><li>Performed mudlogging duties during drilling of intercept wells in Dongara area, utilizing well cutting analysis, caving detection, and offset well cement detection techniques to ensure wellbore stability, and prevent penetration of the offset well.</li><li>Collaborated with geologists and engineers to ensure accurate formation identification and kick detection.</li><li>Monitored wellbore stability and detected abnormal pressure zones through real-time mud logging.</li></ul>

Slb
Dongara, Western Australia
03.2024 - Current
  • Collect and analyze drill cuttings, providing detailed lithology descriptions and gas chromatography data.
  • Performed mudlogging duties during drilling of intercept wells in Dongara area, utilizing well cutting analysis, caving detection, and offset well cement detection techniques to ensure wellbore stability, and prevent penetration of the offset well.
  • Collaborated with geologists and engineers to ensure accurate formation identification and kick detection.
  • Monitored wellbore stability and detected abnormal pressure zones through real-time mud logging.

Operations Geologist

SPC
khartoum, Khartoum
12.2021 - 04.2023
  • Collaborated with subsurface teams to prepare well proposals, casing point recommendations, and geosteering strategies based on geological models and offset data.
  • Supervised real-time data acquisition at the rig site, ensuring high-quality mudlogging, LWD/MWD, wireline logging, and pressure/fluid sampling results to support operational decisions.
  • Interpreted cuttings and log data in real-time to guide wellbore placement in vertical, deviated, and horizontal wells, ensuring accurate reservoir penetration and formation top correlation.
  • Supported pore pressure and wellbore stability assessments by monitoring drilling trends, cavings, and gas shows, contributing to early kick detection and safe operations.
  • Acted as the primary liaison between the wellsite and office-based geology, drilling, and operations teams, providing timely geological updates and operational guidance.
  • Delivered daily geological summaries, drilling look-ahead forecasts, and final End-of-Well geological reports in line with regulatory and internal requirements.
  • Participated in post-well reviews to identify lessons learned, integrate geological data into the static model, and improve future well planning.
  • Ensured all wellsite operations adhered to HSE standards, data quality protocols, and company procedures, contributing to efficient and safe drilling execution.
  • Played a key role in the tender evaluation process, drafting geological service scopes, assessing technical bids, and recommending vendors for mudlogging, wireline, and LWD services in alignment with project objectives and budget constraints.

<ul> <li>Managed wellsite geology for onshore projects across diverse geological settings, including clastic reservoirs in western and south west Sudan oil fields (South EL-Najmah, El-Najmah, Abu-Gabra oil fields, etc…).</li> <li>Supervised the formation evaluation (FE) processes for high-angle and horizontal wells in complex fracture basement reservoir in EL-Najmah oil field, using real-time data from LWD and wireline tools.</li> <li>Directed wireline logging operations with Schlumberger and CNLC tools, interpreting MDT/XPT tests for formation pressures and fluid identification.</li> <li>Led LWD operations during horizontal drilling campaigns to provide real-time geological data for wellbore placement and reservoir entry, with experience in gamma-ray, resistivity, and density logging in tight and thin sandstone reservoirs (Abu-Gabra oil filed).</li> <li>Monitored and evaluated mudlogging data for gas shows, formation tops, casing point, and hydrocarbon indications.</li> <li>Provided daily geological reports to the project team, offering critical insights on lithology, wellbore stability, and fluid presence.</li> </ul>

SPC
, Western and South-Western Sudan
05.2013 - 12.2021
  • Managed wellsite geology for onshore projects across diverse geological settings, including clastic reservoirs in western and south west Sudan oil fields (South EL-Najmah, El-Najmah, Abu-Gabra oil fields, etc…).
  • Supervised the formation evaluation (FE) processes for high-angle and horizontal wells in complex fracture basement reservoir in EL-Najmah oil field, using real-time data from LWD and wireline tools.
  • Directed wireline logging operations with Schlumberger and CNLC tools, interpreting MDT/XPT tests for formation pressures and fluid identification.
  • Led LWD operations during horizontal drilling campaigns to provide real-time geological data for wellbore placement and reservoir entry, with experience in gamma-ray, resistivity, and density logging in tight and thin sandstone reservoirs (Abu-Gabra oil filed).
  • Monitored and evaluated mudlogging data for gas shows, formation tops, casing point, and hydrocarbon indications.
  • Provided daily geological reports to the project team, offering critical insights on lithology, wellbore stability, and fluid presence.

<ul> <li>Conducted real-time monitoring of geological formations and communicated findings to the drilling team.</li> <li>Proficiently operated, troubleshot, and interpreted data from Mud Logging sensors, ensuring real-time and accurate information for drilling operations, and contributed to predictive analysis of geological challenges.</li> <li>Collected, labeled, and cataloged rock and fluid samples during drilling operations.</li> <li>Maintained and calibrated mud logging equipment for accurate data collection.</li> <li>Collaborated with geologists to correlate samples with subsurface formations.</li> </ul>

CNLC
, Western Sudan
03.2010 - 05.2013
  • Conducted real-time monitoring of geological formations and communicated findings to the drilling team.
  • Proficiently operated, troubleshot, and interpreted data from Mud Logging sensors, ensuring real-time and accurate information for drilling operations, and contributed to predictive analysis of geological challenges.
  • Collected, labeled, and cataloged rock and fluid samples during drilling operations.
  • Maintained and calibrated mud logging equipment for accurate data collection.
  • Collaborated with geologists to correlate samples with subsurface formations.

Education

Master's Degree - Geology

Budapest
Budapest
06.2022

Bachelor's Degree - Geology

Sudan
Sudan
10.2008

Skills

  • Safety compliance awareness
  • Mud logging techniques
  • Geological interpretation skills
  • Real-time data analysis and geosteering techniques
  • Contract tendering process
  • Strong communicator
  • Safety compliance awareness
  • Mud logging techniques
  • Geological interpretation skills
  • Real-time data analysis and geosteering techniques
  • Contract tendering process
  • Strong communicator

Certification

  • Natural Resources Governance and Energy Transition 2022 (Natural Resource Governance Institute (NRGI)- UK & Switzerland)
  • Petroleum Policy and Resources Management 2015 (Petrad, Norwegian Petroleum Directorate (NPD)- Stavanger (Norway))
  • Manual Driving Licence 2011

Affiliations

  • Member, Environmental Institute of Sudan (EIS)
  • Member, Sudanese Geo-scientist Council (SGC)

Accomplishments

  • Optimized horizontal well placement in fractured basement reservoirs by integrating real-time LWD data, avoiding drilling hazards and improving reservoir contact in El-Najmah oil field.
  • Identified critical pressure zones and potential wellbore instability risks early through close monitoring of mudlog and gas data, contributing to safer drilling operations and minimizing non-productive time (NPT).
  • Optimized geological service contracts by drafting precise scopes of work and leading technical evaluations for mudlogging, LWD, and wireline services — achieving a 15% reduction in project costs while maintaining operational excellence.
  • Successfully geosteered multiple horizontal wells in the complex Abu Gabra and Bentiu formations, ensuring optimal reservoir entry and contributing to a 20% increase in production efficiency compared to initial development wells.
  • Standardized geological reporting workflows across assets, improving data quality and reducing turnaround time for post-well analysis by 30%, enhancing cross-functional decision-making.

Timeline

<ul><li>Collect and analyze drill cuttings, providing detailed lithology descriptions and gas chromatography data.</li><li>Performed mudlogging duties during drilling of intercept wells in Dongara area, utilizing well cutting analysis, caving detection, and offset well cement detection techniques to ensure wellbore stability, and prevent penetration of the offset well.</li><li>Collaborated with geologists and engineers to ensure accurate formation identification and kick detection.</li><li>Monitored wellbore stability and detected abnormal pressure zones through real-time mud logging.</li></ul>

Slb
03.2024 - Current

Operations Geologist

SPC
12.2021 - 04.2023

<ul> <li>Managed wellsite geology for onshore projects across diverse geological settings, including clastic reservoirs in western and south west Sudan oil fields (South EL-Najmah, El-Najmah, Abu-Gabra oil fields, etc…).</li> <li>Supervised the formation evaluation (FE) processes for high-angle and horizontal wells in complex fracture basement reservoir in EL-Najmah oil field, using real-time data from LWD and wireline tools.</li> <li>Directed wireline logging operations with Schlumberger and CNLC tools, interpreting MDT/XPT tests for formation pressures and fluid identification.</li> <li>Led LWD operations during horizontal drilling campaigns to provide real-time geological data for wellbore placement and reservoir entry, with experience in gamma-ray, resistivity, and density logging in tight and thin sandstone reservoirs (Abu-Gabra oil filed).</li> <li>Monitored and evaluated mudlogging data for gas shows, formation tops, casing point, and hydrocarbon indications.</li> <li>Provided daily geological reports to the project team, offering critical insights on lithology, wellbore stability, and fluid presence.</li> </ul>

SPC
05.2013 - 12.2021

<ul> <li>Conducted real-time monitoring of geological formations and communicated findings to the drilling team.</li> <li>Proficiently operated, troubleshot, and interpreted data from Mud Logging sensors, ensuring real-time and accurate information for drilling operations, and contributed to predictive analysis of geological challenges.</li> <li>Collected, labeled, and cataloged rock and fluid samples during drilling operations.</li> <li>Maintained and calibrated mud logging equipment for accurate data collection.</li> <li>Collaborated with geologists to correlate samples with subsurface formations.</li> </ul>

CNLC
03.2010 - 05.2013

Master's Degree - Geology

Budapest

Bachelor's Degree - Geology

Sudan

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Abuelabass Hassan