Well Integrity Team Leader

Well Integrity Management:

• Provide technical leadership and assurance for the integrity management of UBOC-operated wells throughout their lifecycle.
• Support the implementation, maintenance, and continuous improvement of the Well Integrity Management System (WIMS).
• Establish and maintain appropriate well integrity operating envelopes, integrity acceptance criteria, and monitoring requirements.
• Ensure systematic identification and assessment of well integrity threats and degradation mechanisms.
• Review well integrity status and proactively identify conditions that may adversely affect personnel safety, environmental performance, asset integrity, or production.
• Develop and maintain lifecycle well integrity strategies from well commissioning through final abandonment.
• Provide technical input to integrity-related engineering studies, design reviews, operational planning, and decision-making.
• Ensure appropriate technical documentation, records, and integrity history are maintained throughout the well lifecycle.
• Promote application of engineering best practices, lessons learned, and appropriate emerging technologies to improve well integrity performance.

Well Barrier Management:

• Establishing, maintaining, and periodically reviewing Well Barrier Schematics and associated barrier documentation.
• Verifying the availability, functionality, and effectiveness of primary and secondary well barriers.
• Assessing the condition and degradation of Well Barrier Elements (WBEs).
• Reviewing and maintaining barrier acceptance criteria in accordance with Company requirements and applicable international standards.
• Assessing barrier impairments, failures, and deviations and recommending appropriate corrective and mitigating actions.
• Developing and reviewing temporary and permanent well barrier restoration strategies.
• Reviewing well barrier status prior to and during production, well intervention, workover, completion, and other well-related activities.
• Ensuring well barrier documentation remains accurate, current, traceable, and technically justified.
• Providing technical assurance that well barrier requirements are understood and appropriately implemented by relevant stakeholders and service providers.

Well Integrity Surveillance and Monitoring:

• Establish and oversee effective well integrity surveillance and monitoring programs.
• Monitor well integrity performance using pressure data, inspection results, test results, production data, and other relevant surveillance information.
• Assess Sustained Casing Pressure (SCP), annulus pressure trends, pressure anomalies, and other indicators of potential integrity degradation.
• Review well integrity monitoring data and identify abnormal or changing well behavior.
• Evaluate pressure-testing, leak-testing, function-testing, and other integrity verification results.
• Define or recommend additional diagnostic activities where existing surveillance data are insufficient to establish well integrity status.
• Recommend appropriate mitigation, monitoring, or remediation measures based on identified integrity threats.
• Maintain accurate records of well integrity status, surveillance history, anomalies, and corrective actions.
• Ensure appropriate escalation of integrity concerns in accordance with Company requirements.

Wellhead and Christmas Tree Integrity:

• Reviewing wellhead and Christmas Tree inspection, maintenance, testing, and integrity management programs.
• Assessing equipment degradation, damage, failure mechanisms, and associated integrity risks.
• Reviewing wellhead maintenance requirements and recommending corrective or preventive actions.
• Providing technical input into pressure testing and functional testing programs.
• Assessing integrity implications associated with equipment modifications, repairs, degradation, or operational changes.
• Supporting the integrity management and periodic testing of tubing-retrievable subsurface safety valves (TRSCSSSVs) and associated safety-critical equipment.
• Ensuring identified wellhead and Christmas Tree integrity issues are appropriately assessed, documented, prioritized, and resolved.

Well Integrity Investigations and Failure Analysis:

• Leading engineering investigations of well integrity incidents, anomalies, and barrier failures.
• Evaluating available evidence and determining probable failure mechanisms and contributing factors.
• Conducting or facilitating Root Cause Analysis (RCA) where required.
• Developing technically sound and risk-based integrity remediation recommendations.
• Defining corrective and preventive actions and supporting their effective implementation.
• Documenting investigation findings, technical conclusions, and lessons learned.
• Ensuring relevant lessons learned are incorporated into well integrity standards, procedures, designs, and operating practices.
• Identifying recurring failure mechanisms and initiating appropriate improvement initiatives.

Integrity Risk Management and Technical Assurance:

• Lead and participate in Well Integrity Risk Assessments and other structured risk assessment activities.
• Participate in HAZID, HAZOP, Bowtie, What-If, and other risk assessment workshops where well integrity is relevant.
• Assess risks associated with well barrier impairment, equipment degradation, operating deviations, and changes to well operating conditions.
• Define and recommend risk reduction and mitigation measures.
• Provide technical justification for integrity-related deviations, exemptions, and temporary operating conditions.
• Participate in Management of Change (MoC) processes where changes may affect well integrity.
• Ensure integrity-related risks are appropriately documented, assessed, controlled, and communicated.
• Provide technical assurance that identified integrity risks are managed in accordance with the Company's risk management framework.

Multidisciplinary Engineering and Operational Support:

• Completion activities.
• Production and Operations.
• Well Intervention and Workover.
• Plug and Abandonment (P&A).
• Subsurface and reservoir-related activities where well integrity may be affected.
• HSE and operational risk management activities.
• Reviewing engineering documentation from a well-integrity perspective.
• Participating in multidisciplinary design and engineering reviews.
• Reviewing Statements of Requirements (SORs), Basis of Design (BODs), operating procedures, work programs, technical studies, and other relevant documentation.
• Providing well integrity input to well design, completion design, intervention, workover, and abandonment planning.
• Supporting technical evaluation of contractors, service companies, equipment, and integrity-related technologies.
• Providing practical and technically justified recommendations to optimize well integrity performance while maintaining safe and reliable operations.
• Acting as a technical focal point for well integrity matters across relevant operational and engineering functions.

Technical Authority and Governance Support:

• Providing specialist technical advice on well integrity matters.
• Supporting development, implementation, and periodic review of Company well integrity standards, specifications, procedures, and guidelines.
• Providing technical assurance of integrity-related engineering and operational decisions.
• Reviewing and challenging technical proposals where appropriate to ensure integrity risks are adequately addressed.
• Supporting governance reviews, audits, assurance activities, and compliance assessments.
• Promoting consistent application of Company well integrity requirements across the asset.
• Maintaining awareness of applicable regulatory requirements, international standards, and recognized industry practices.

Performance Management and Continuous Improvement:

• Developing, maintaining, and monitoring Well Integrity Key Performance Indicators (KPIs).
• Supporting the development and maintenance of well integrity dashboards and management reports.
• Identifying integrity trends, recurring threats, and systemic failure mechanisms.
• Evaluating the effectiveness of existing integrity controls and recommending improvements.
• Identifying and evaluating emerging well integrity technologies and industry practices.
• Promoting engineering self-verification and technical learning within the organization.
• Facilitating the capture, communication, and implementation of lessons learned.
• Supporting initiatives that improve well reliability, reduce integrity-related production losses, and minimize operational risk.
• Promoting a proactive and risk-based approach to well integrity management.

Leadership Responsibilities:

• Providing clear technical direction to Well Integrity engineers and relevant personnel.
• Prioritizing integrity activities based on risk, operational criticality, and business requirements.
• Coordinating multiple integrity workstreams and ensuring timely delivery of critical activities.
• Developing effective working relationships with multidisciplinary teams and operational stakeholders.
• Challenging unsafe, non-compliant, or technically unsupported practices.
• Promoting a strong well integrity culture and proactive identification of integrity threats.
• Supporting competency development, knowledge sharing, coaching, and mentoring of Well Integrity personnel.
• Ensuring integrity-related decisions are based on sound engineering principles, appropriate risk assessment, and documented technical justification.
• Representing the Well Integrity function in relevant technical, operational, and management forums.

HSE and Compliance:

• Ensure well integrity activities are conducted in accordance with applicable Company HSE requirements and operating procedures.
• Identify and manage risks associated with well integrity activities.
• Ensure safety-critical well barriers and associated verification requirements are appropriately managed.
• Support compliance with applicable legislation, regulatory requirements, Company standards, and recognized international industry practices.
• Promote safe working practices and a proactive approach to risk identification and mitigation.
• Ensure integrity-related incidents, anomalies, and deviations are appropriately reported, investigated, and closed out.

Key Interfaces:

• CWI Manager and Completion, Well Intervention & Workover Team.
• Drilling and Completion teams.
• Production and Operations teams.
• Well Intervention and Workover teams.
• Subsurface and Reservoir Engineering.
• HSE and Process Safety.
• Asset Integrity and Maintenance.
• Projects and Engineering.
• Supply Chain and Contracting, where applicable.
• Technical Authorities and Subject Matter Experts.
• Well services, equipment, and specialist contractors.
• Regulatory authorities and external stakeholders, where required.

• Bachelor's degree in Petroleum Engineering or another relevant engineering discipline.
• Master's degree in Petroleum Engineering, Well Engineering, or a related engineering discipline is preferred.
• Valid IWCF or IADC Well Control Certificate at Supervisory Level, Surface or Combined Surface/Subsea as applicable.
• Minimum 12 years of experience in the upstream oil and gas industry.
• Minimum 8 years of demonstrated Well Integrity engineering experience, preferably within an international operating company or comparable operating environment.
• Demonstrated experience in Well Integrity Management Systems (WIMS) and lifecycle well integrity management.
• Strong practical experience in well barrier philosophy, barrier verification, barrier management, and Well Barrier Element assessment.
• Demonstrated experience in well integrity surveillance, including sustained casing pressure, annulus pressure monitoring, pressure testing, leak testing, and integrity diagnostics.
• Proven experience in well integrity risk assessments and participation in HAZID, HAZOP, Management of Change (MoC), and other structured risk assessment processes.
• Demonstrated experience providing technical assurance and integrity support for completion, production, intervention, workover, and Plug & Abandonment activities.
• Experience in wellhead, Christmas Tree, subsurface safety valve, and associated relevant equipment integrity management.
• Experience in well integrity failure investigations, Root Cause Analysis, remediation planning, and corrective action management.
• Demonstrated ability to provide technical recommendations for complex well integrity challenges and support risk-based decision-making.