Subsea Wellhead and Tree Systems Training Course

Subsea Wellhead and Tree Systems Training Course

Introduction

Subsea Wellhead and Tree Systems Training Course is designed to equip oil and gas professionals with advanced technical knowledge and practical skills in subsea wellhead engineering, subsea production tree design, installation, operation, inspection, maintenance, and integrity management. This course explores the fundamental principles of subsea production systems, including wellhead architecture, casing and tubing hanger systems, subsea tree configurations, hydraulic and electrical control systems, pressure containment, materials selection, and subsea equipment qualification. Participants will develop an understanding of subsea engineering, deepwater oil and gas production, well integrity management, API and ISO standards, subsea equipment reliability, and offshore safety compliance. The program also examines the engineering considerations involved in selecting, designing, and configuring subsea wellheads and trees for different reservoir conditions, water depths, production profiles, and field development strategies.

Participants will explore subsea tree installation and retrieval, well intervention interfaces, pressure testing, fault diagnosis, preventive maintenance, corrosion management, and troubleshooting of hydraulic and electronic control systems. Through engineering exercises, operational scenarios, and industry-based case studies, learners will investigate challenges associated with high-pressure, high-temperature (HPHT) wells, deepwater installations, equipment failures, well control incidents, and aging subsea infrastructure. The training also introduces digital subsea monitoring, predictive maintenance, risk-based inspection, reliability-centered maintenance, and lifecycle cost optimization to support modern offshore operations. By the end of the program, participants will be better equipped to evaluate equipment performance, identify operational risks, improve well integrity, and contribute to safe, cost-effective, and sustainable subsea field development projects.

Course Duration

5 days

Course Objectives

By the end of this course, participants will be able to:

1. Explain the fundamental principles of subsea wellhead engineering and subsea production tree technology.
2. Identify the major components, functions, and configurations of subsea wellhead and tree systems.
3. Evaluate subsea wellhead designs for deepwater, ultra-deepwater, and HPHT applications.
4. Interpret relevant API and ISO standards for subsea wellhead and tree equipment.
5. Analyze casing hangers, tubing hangers, connectors, seals, and pressure-containing components.
6. Assess subsea tree configurations, including vertical and horizontal subsea trees.
7. Apply well integrity management principles to subsea production and injection wells.
8. Understand subsea control systems, including hydraulic, electro-hydraulic, and all-electric technologies.
9. Evaluate equipment qualification, factory acceptance testing, pressure testing, and system verification.
10. Develop strategies for subsea tree installation, commissioning, intervention, and retrieval.
11. Identify common failure mechanisms, including seal degradation, corrosion, erosion, and control-system malfunctions.
12. Apply risk-based inspection, predictive maintenance, and reliability engineering techniques to subsea equipment.
13. Recommend strategies for improving subsea equipment reliability, operational safety, and lifecycle cost efficiency.

Target Audience

1. Subsea engineers and subsea systems engineers.
2. Wellhead and subsea tree design engineers.
3. Drilling, completions, and well intervention engineers.
4. Offshore production and operations engineers.
5. Petroleum and reservoir engineers involved in subsea field development.
6. Maintenance, inspection, and asset integrity professionals.
7. Project managers, engineering consultants, and technical procurement specialists.
8. HSE professionals, quality assurance engineers, and technical personnel working in offshore oil and gas projects.

Course Modules

Module 1: Fundamentals of Subsea Wellhead and Tree Systems

• Introduction to subsea production systems and offshore field architectures.
• Functions and operational importance of subsea wellheads and production trees.
• Main components: wellhead housing, casing hangers, tubing hangers, connectors, and tree valves.
• Overview of subsea production, injection, and gas-lift well configurations.
• Equipment selection based on water depth, reservoir conditions, and field development requirements.
• Case study: Evaluation of subsea wellhead and tree configurations for a deepwater oilfield, considering water depth, reservoir pressure, production requirements, and equipment accessibility.

Module 2: Subsea Wellhead Design and Engineering

• Wellhead architecture, structural design, and load-bearing principles.
• Casing hanger systems, lockdown mechanisms, and wellhead connectors.
• Pressure containment, sealing technologies, and mechanical interfaces.
• Load analysis, fatigue assessment, and structural integrity considerations.
• Design requirements for high-pressure, high-temperature and deepwater wells.
• Case study: Investigation of a wellhead connector integrity concern in a high-pressure offshore well, focusing on load distribution, sealing performance, and engineering corrective actions.

Module 3: Subsea Production Tree Design and Configurations

• Overview of vertical and horizontal subsea tree designs.
• Tree body, production valves, annulus valves, and choke systems.
• Tubing hanger interfaces and tree-to-wellhead connection mechanisms.
• Material selection, corrosion resistance, erosion protection, and design life.
• Tree configuration selection for production, water injection, and gas injection applications.
• Case study: Comparison of vertical and horizontal subsea trees for a multiwell development, assessing intervention requirements, operating flexibility, installation complexity, and lifecycle costs.

Module 4: Subsea Control Systems and Instrumentation

• Hydraulic, direct hydraulic, and electro-hydraulic control architectures.
• Introduction to all-electric subsea control systems and emerging technologies.
• Control modules, solenoid valves, sensors, actuators, and communication interfaces.
• Pressure, temperature, position, and flow monitoring for subsea equipment.
• Control-system diagnostics, fault isolation, and operational troubleshooting.
• Case study: Diagnosis of an intermittent subsea tree valve response caused by a suspected control-system malfunction, using sensor information, hydraulic diagnostics, and systematic fault isolation.

Module 5: Installation, Commissioning, and Testing

• Subsea wellhead installation sequences and equipment handling requirements.
• Tree running, landing, orientation, and connection procedures.
• Pre-installation inspection, dimensional verification, and interface checks.
• Factory acceptance testing, system integration testing, and pressure testing.
• Commissioning, acceptance criteria, documentation, and handover procedures.
• Case study: Development of an installation and commissioning plan for a subsea production tree, addressing interface compatibility, equipment verification, testing requirements, and offshore execution risks.

Module 6: Well Integrity, Maintenance, and Failure Analysis

• Fundamentals of subsea well integrity and barrier management.
• Common failure modes affecting valves, seals, connectors, and pressure-containing components.
• Corrosion, erosion, material degradation, fatigue, and mechanical wear.
• Preventive maintenance, condition monitoring, and reliability-centered maintenance.
• Root cause analysis, corrective actions, and continuous improvement strategies.
• Case study: Root cause analysis of a subsea tree valve leakage event, evaluating possible seal degradation, operating conditions, maintenance history, and well barrier implications.

Module 7: Subsea Intervention, Retrieval, and Life Extension

• Overview of subsea well intervention methods and equipment interfaces.
• Tree retrieval, replacement, and reinstallation considerations.
• Workover and intervention risers, lubricators, and pressure-control equipment interfaces.
• Inspection, refurbishment, equipment recertification, and spare-parts planning.
• Life-extension assessments for aging subsea wellhead and tree infrastructure.
• Case study: Planning the replacement of an aging subsea production tree, comparing intervention options, equipment condition, downtime risks, operational constraints, and replacement costs.

Module 8: Standards, Risk Management, and Emerging Technologies

• Application of relevant API and ISO standards to subsea wellhead and tree systems.
• Equipment qualification, verification, traceability, and quality assurance.
• Risk assessment, failure mode and effects analysis (FMEA), and criticality ranking.
• Digital monitoring, predictive analytics, and condition-based maintenance.
• Lifecycle cost optimization, reliability improvement, and technology selection.
• Case study: Risk-based evaluation of a subsea tree operating in a deepwater field, combining equipment reliability data, inspection findings, digital monitoring, and lifecycle cost considerations to prioritize integrity interventions.

Training Methodology

• Interactive lectures and presentations.
• Group discussions and brainstorming sessions.
• Hands-on exercises using real-world datasets.
• Role-playing and scenario-based simulations.
• Analysis of case studies to bridge theory and practice.
• Peer-to-peer learning and networking.
• Expert-led Q&A sessions.
• Continuous feedback and personalized guidance.

Register as a group from 3 participants for a Discount

Send us an email: info@datastatresearch.org or call +254724527104 

Certification

Upon successful completion of this training, participants will be issued with a globally- recognized certificate.

Tailor-Made Course

 We also offer tailor-made courses based on your needs.

Key Notes

a. The participant must be conversant with English.

b. Upon completion of training the participant will be issued with an Authorized Training Certificate

c. Course duration is flexible and the contents can be modified to fit any number of days.

d. The course fee includes facilitation training materials, 2 coffee breaks, buffet lunch and A Certificate upon successful completion of Training.

e. One-year post-training support Consultation and Coaching provided after the course.

f. Payment should be done at least a week before commence of the training, to DATASTAT CONSULTANCY LTD account, as indicated in the invoice so as to enable us prepare better for you.