Mohd Hisyammudin Bin Mohd Yunos
Manager P&A and Workovers
Kuala Lumpur,14
Summary
Demonstrate the ability to research relevant factors, to think laterally and creatively, as well as strengths in analytical and critical thinking that have been developed through working experience offshore and onshore. Underpinned by effective self-management, including time management, prioritizing tasks, dealing with industry demand, and utilizing technology productively during project implementation while working inline within the HSE standards. Team goal oriented with high leadership abilities. Forward-thinking operations specialist bringing more than 20 years of expertise in Well Intervention and Integrity for the Oil & Gas sector business. Cultivates rapport with individuals to optimize project goals and output, resolve complex problems, and deliver innovative improvement strategies.
Overview
21
21
years of professional experience
3
3
years of post-secondary education
5
5
Certifications
2
2
Languages
Work History
Manager P&A and Workovers
Hibiscus Malaysia Limited
11.2023 - Current
- Skillfully oversee Workover and P&A planning, ensuring all activities comply with HSSE standards and local regulations. I conduct detailed engineering studies, perform cost and equipment evaluations, and ensure strict adherence to company and regulatory guidelines. My role includes managing performance tracking, incident investigations, and continuous improvement of operations. I liaise closely with regulatory bodies like PETRONAS, managing approval processes and maintaining effective communication on job progress and outcomes. I lead tender processes, contract management, and collaborate with internal stakeholders to prioritize and review operations, ensuring efficient resource management and alignment with strategic departmental objectives.
Snr. Wells Operations Engineer
Hibiscus Oil & Gas Malaysia Limited
05.2022 - 10.2023
- Support Well Intervention, Work Over, and P&A operations across Hibiscus Asset regions PM3S, PM3N, and Kinabalu, overseeing planning and execution. I possess solid understanding of Artificial Lift Systems and am proficient in managing Scale Inhibitor Squeeze operations for wells with scale issues like Calcium Carbonate and Barium Sulfate. My responsibilities include risk management, verifying Production Logging Interpretations with Subsurface Engineers, and using systems like Microsoft Excel, IDS, and OpenWell for reporting. I organize Pre-Mob and equipment preparation meetings, conduct Post Job Reviews to capture lessons learned, and oversee Quality Performance Reviews with contractors. Additionally, I provide guidance on well surveillance, oversee contractual matters, and actively participate in HSE monitoring.
Snr. Work Over Supervisor
Repsol Oil & Gas Malaysia Limited
03.2021 - 04.2022
- Supervise various contractors and oversee jobs under P&A campaign, closely collaborating with the Engineer In Charge for meticulous job planning. I manage daily operations, review safety and inspection documents, and handle logistics for equipment and personnel movements between onshore and offshore locations. Upholding high HSE standards is a priority to ensure safety and protect assets and company reputations. I ensure all equipment and materials are thoroughly checked for quality before use. Certified in IWCF Level 4 for both Drilling and Intervention, skillful in well killing procedures and risk mitigation. Experienced in Production Logging Interpretation, using Microsoft Excel and OpenWell for daily operations reporting and cost tracking, and actively participating in HSE monitoring while maintaining effective communication with engineering teams to facilitate decision-making during campaigns.
Snr. Wells Operations Engineer
Repsol Oil & Gas Malaysia Limited
07.2015 - 01.2021
- Supported Well Intervention operations across PM3, PM305, and Kinabalu, handling various activities including CTU, Eline Slickline, BraidedLine, and Pumping. Lead the execution phase for well Intervention and Integrity campaigns. Executed isolated well cases such as milling out a 5-1/2” SP TRSCSSV flapper and scale milling operations for scale issues like Calcium Carbonate and Barium Sulfate. My role includes writing and QA/QC well intervention job programs, risk mitigation, and quick look production logging interpretation. I also manage daily operations and cost tracking, organize Pre-Mob meetings, equipment inspections, post-job reviews, quality performance reviews, and interface with engineering teams to maintain information flow and decision-making. Additionally, I guide routine well surveillance, oversee contractual matters, execute Xtree maintenance, and actively participate in HSE monitoring, demonstrating strong safety awareness and broad understanding of well completion designs.
Snr. Well Intervention Engineer
Talisman Malaysia Ltd.
05.2013 - 06.2015
- Supervise contractors and operations involving CTU, Eline, Slickline, Braidedline, and Pumping, primarily focused on intervention and integrity operations in PM3 and PM305. My responsibilities include close collaboration with Engineers in Charge (EIC) for detailed job planning of intervention campaigns. I manage logistics for equipment and personnel movement between onshore and offshore, ensuring high HSE standards to protect personnel, assets, and the company's reputation. Additionally, I am responsible for the quality assurance and control (QA/QC) of all equipment and materials before they are mobilized for offshore deployment, ensuring all resources meet the required safety and operational standards.
Well Intervention Supervisor
Talisman Malaysia Ltd.
1 2011 - 04.2013
- Oversee a range of contractors and tasks, including CTU, Eline, Slickline, Braidedline, and Pumping for Intervention & Integrity operations in the PM3 and PM305 areas. My role involves deep involvement in planning alongside the Engineer in Charge for each specific intervention campaign. I manage the logistics of equipment and personnel, ensuring smooth transitions from onshore to offshore and back, always prioritizing high HSE standards to safeguard our people, assets, and company reputation. Additionally, I am responsible for the quality assurance and control of all equipment and materials prior to their offshore deployment, ensuring they meet stringent safety and performance standards.
Cased Hole Xpert
Schlumberger (East Asia Geomarket)
01.2008 - 12.2010
- I held a pivotal role at Schlumberger South East Asia Geomarket, where I was in charge of planning and executing high-profile jobs, including Tractor Logging and pioneering field tests for new Schlumberger technology tools. My responsibilities extended to serving as the Acting Cased Hole Engineer in Charge (EIC) at the Schlumberger Kemaman Base. Additionally, I was appointed as an in-house instructor, responsible for training new engineers and specialists in Eline operations. I also conducted training sessions for major clients such as Petronas, Exxon, and CarigaliHess, enhancing their expertise in cutting-edge industry practices.
Snr. Field Specialist – Cased Holed & Production
Schlumberger (East Asia Geomarket)
01.2006 - 01.2008
- I was assigned to oversee the Murphy Deep Water project in Kikeh Field, where I utilized my extensive experience with High-Pressure High-Temperature (HPHT) wells. In addition to operational responsibilities, I trained new engineers on advanced production logging tools, including FSI, IsoScanner, Oriented Perforation, Selective Perforation, and Tractor Operations. My role also encompassed production log interpretation, leveraging my broad expertise to enhance operational efficiency and data accuracy. This position allowed me to develop a comprehensive understanding of complex well environments and to mentor the next generation of engineers in sophisticated logging techniques.
Field Specialist – Cased Holed & Production
Schlumberger WTA Sdn. Bhd.
01.2004 - 01.2006
- Tasked with planning and executing Production & Workover campaigns for ExxonMobil in Malaysia, showcasing my capability to manage complex operations. My role also extended to servicing other key clients such as PMU, Talisman, Murphy, CarigaliHess, PMO, Petrofac, CPOC, and PEARL Energy, where I handled Basic Production Logging and Explosive Services. Additionally, I was chosen by Schlumberger to conduct field tests of SECURE explosives, successfully introducing this innovative technology across Malaysia which increased Schlumberger's revenue by 15%. My extensive experience spans both Rig and Rigless Operations for Eline Services, and I am proficient in managing wellhead Pressure Control Equipment, demonstrating my versatility and technical expertise in high-pressure environments.
Jr. Field Specialist – Cased Holed & Production
Schlumberger WTA Sdn. Bhd.
01.2003 - 01.2004
- Began my career as a Trainee Field Specialist at Schlumberger Kemaman base, assigned to prepare Rigless activities for major clients like PMO and ExxonMobil. To enhance my skills, I was sent to Scotland for an intensive three-month training program, where I participated in field simulations covering all Rig and Rigless services offered by Schlumberger. This training prepared me for a subsequent assignment where I assisted the Senior Field Specialist in managing the ExxonMobil Pool488 Workover campaign. This role allowed me to apply my newly acquired skills in a practical setting, contributing significantly to the campaign's success.
Education
MBA - Business Development Project
University Of Gloucestershire
Gloucestershire 04.2023 - 04.2024
Diploma in Mechatronics - Mechatronics
Polytechnic of Johor Bahru
Johor Bahru 01.1999 - 04.2001
Skills
Excellent Communication
undefinedCertification
IWCF Drilling Level 4
Referrals
- Norkhairani Shamsudin, Hibiscus Oil & Gas Malaysia Limited, Wells Operation Superintendent, 012-270 3491, nkhairani.shamsudin@hibiscuspetroleum.com
- George Wong, Hibiscus Oil & Gas Malaysia Limited, Drilling & Completion Manager, 017-363 3132, george.wong@hibiscuspetroleum.com
- Phat Beatty, Mubadala Petroleum, Senior Production Operations Manager, 012-396 1645
Diving, Shooting, Biking & Travelling
I'm an Advance Open Water diver, and I have more than 200 dives under my belt.
I am currently a member of KMBK. Authorized to shoot 9mm handguns.
I also went on a biking trip across Europe and covered 7 famous Alps.
Timeline
Manager P&A and Workovers
Hibiscus Malaysia Limited
11.2023 - Current
MBA - Business Development Project
University Of Gloucestershire
04.2023 - 04.2024
Snr. Wells Operations Engineer
Hibiscus Oil & Gas Malaysia Limited
05.2022 - 10.2023
Snr. Work Over Supervisor
Repsol Oil & Gas Malaysia Limited
03.2021 - 04.2022
Snr. Wells Operations Engineer
Repsol Oil & Gas Malaysia Limited
07.2015 - 01.2021
Snr. Well Intervention Engineer
Talisman Malaysia Ltd.
05.2013 - 06.2015
Cased Hole Xpert
Schlumberger (East Asia Geomarket)
01.2008 - 12.2010
Snr. Field Specialist – Cased Holed & Production
Schlumberger (East Asia Geomarket)
01.2006 - 01.2008
Field Specialist – Cased Holed & Production
Schlumberger WTA Sdn. Bhd.
01.2004 - 01.2006
Jr. Field Specialist – Cased Holed & Production
Schlumberger WTA Sdn. Bhd.
01.2003 - 01.2004
Diploma in Mechatronics - Mechatronics
Polytechnic of Johor Bahru
01.1999 - 04.2001
IWCF Drilling Level 4
IWCF Intervention Level 4
RML PTW level 3
T-BOSIET with EBS and Travel Safely by Boat OPITO approved
CA-EBS OPITO approved
Well Intervention Supervisor
Talisman Malaysia Ltd.
1 2011 - 04.2013
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