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Xmas Trees and Well Heads

An Intensive 4-Day Training Course

Xmas Trees and Well Heads

Operation and Testing

Scheduled Dates

03 - 06 Jun 2024 Dubai - UAE $4,950
23 - 26 Dec 2024 Dubai - UAE $4,950
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Why Choose this Training Course?

Why Choose this Training Course?

Xmas Trees and Well Heads are critical parts of any Oil & Gas Well. They control the pressures in the Casings and Production Tubing, regulate the production rates and are very important barriers in case of leaks.

This 4-day intensive Xmas Trees and Well Heads Operation and Testing training course will highlight:

  • All components of a Well Head and of a Xmas Tree and installation sequence
  • Investigation, mitigation and cure of SAP Pressures
  • Casing and Tubing Seals (monitoring and leak repairs)
  • Different Causes of SAP Pressures.
  • Hazards originated by faulty wellheads (and their mitigation)


What are the Goals?

What are the Goals?

The main goals of this PetroKnowledge training course is to (1) revisit the importance of Well Heads and Xmas Trees and analyze all the problems that may affect well head and Xmas Trees integrity and well integrity as a whole; (2) To understand how critical are good Cementations to avoid future well Heads and well Integrity Problems; and (3) To understand SAP Pressures, their origin and their impact on Safety and Well Life Cycle.

By the end of this training course, participants will learn to:

  • Develop the knowledge relationship between surface (Well Heads) and downhole.
  • Investigate leaks and identify cause of leak
  • Determine Tubing pressures (based on depth of perfs, density of fluid and BHFP).
  • Investigate SAP pressures based on well pressure monitoring using 2 and 3 pen recorders.
  • Explain influence of corrosion models on MAASP pressures and on Well Life Cycle

Who is this Training Course for?

Who is this Training Course for?

This training course is suitable to a wide range of professionals but will greatly benefit:

  • Field Services Foremen
  • Operations Foremen
  • Petroleum Engineers
  • Production Engineers
  • Drilling Engineers
  • Completion Engineers
  • Oil Field Technical Staff

How will this Training Course be Presented?

How will this Training Course be Presented?

This training course will be presented using properly designed slides, some with animation and several videos on relevant issues. A printed manual containing all the slides and/or electronic from in PDF will be delivered to each attendant. Teaching methods include also calculations on related issues.

Daily Agenda

Day One: Introduction – Well Heads and Xmas Trees

  • Operational Safety
  • Reservoirs, wells and well heads
  • Problems caused by poor cement jobs
  • Well construction and primary cement jobs
  • Construction of a well from Casings to Well Head.
  • Productivity Index calculated at Well Head
  • Well head main functions
  • Practical Calculations to determine Tubing Pressures based on several factors.
  • Well head classifications
  • API Specification 6A
  • Basic Components of a Well Head
  • Well Head Installation movie
  • Casing Head / Casing Head Function
  • Investigation and Discussion of SAP Case 1

Day Two:  Continuation of Well Head Components

  • Casing Spool / Casing Spool function
  • Casing Hangers
  • Tubing Heads and Tubing Hangers
  • Investigation and Discussion of SAP Case 2.
  • Continuation of tubing hangers
  • Tubing Head Adapters
  • Typical Xmas Tree Components.
  • Fix Chokes and Adjustable Chokes
  • Flanges (6B and 6BX types)
  • Seals and gaskets
  • Unitized Well Head
  • The BOP

Day Three:  Xmas Tree Installation, Pressure Testing

  • Xmas Tree Installation
  • Well Head Repairs
  • Hydraulic and Pneumatic Actuators
  • Investigation and discussion of SAP Case 3
  • Casing Hangers and Well Pressure Control
  • Common Pack Offs and Secondary Seals
  • Tubing Hangers (cross sections)
  • Tests and Leak Path Determination
  • Unitized Well Heads
  • Basic rules for Pressure Testing Well Heads
  • Test Schematics of Well Heads.
  • Movie: testing Well Head.
  • Example of sealing Cavity with sealant
  • Basic requirements of a Well Completion
  • Casing String types
  • Liners, liner hangers and tie back liners
  • Effects of pressure in “b” and “c” annulus

Day Four: Well Head Repairs and Well Integrity

  • Well Head Repairs and Casing Repairs
  • Surface Casing corrosion
  • Burst and Collapse Pressure Decline with time.
  • MAASP Calculations for annulus A
  • Short introduction on Material Selection
  • Corrosion Monitoring Tools
  • Cathodic Protection
  • Well Integrity : Safety and Operational aspects
  • Constructing a well with Integrity
  • Well Integrity Issues
  • The important of SC-SSSV
  • Well Head Components and well integrity assurance guidelines.
  • Risk Management
  • WIMS : Well Integrity Management System.
  • Industry Standards and Guidelines
  • Well Integrity Drivers and Implementation
  • Well Integrity Envelope
  • Well Integrity, Annular Pressures and Well Head Monitoring
  • SAP (Sustainable Annulus Pressures) Wells
  • Investigation and discussion of SAP Case  4


  • On successful completion of this training course, a PetroKnowledge Certificate will be awarded to the delegates

In Association With

GLOMACS Training

Our collaboration with GLOMACS aims to provide the best training services and benefits for our valued clients

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Frequently Asked Questions

How can I register for a training course?

  • To register online through our website, please click “Enroll Now” on the course page, complete and submit the form. A confirmation e-mail and instructions will be sent to the participant’s e-mail.
  • You may also get in touch with our Registration Team on
    +971 50 981 7386 | +971 2 557 7389 or send an email to

When and how do I arrange payments?

  • Payments can be made in USD or UAE local currency AED (Arab Emirates Dirhams) either by Bank Transfer or by Credit Card. Our Bank Account details will be provided on the invoice.
  • Course fees are payable upon booking unless a valid, authorized Purchase Order is provided and accepted.
  • Invoices will be sent via email/courier to the ID/name and address provided.
  • The course fee shall be settled prior to course start date. Corporate payments with existing payment policy shall be relayed to us in advance.

When should I expect to receive confirmation of registration?

Upon successful registration online, enrolment on the respective training course will be confirmed by Registration Team by e-mail along with the invoice and joining instruction.

Is there a discount for more than one registrant/course?

For corporate fees and group registration, please send your query to

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All rights reserved. Any unauthorized copying, distribution, use, dissemination, downloading, storing (in any medium), transmission, reproduction or reliance in whole or any part of this course outline is prohibited and will constitute an infringement of copyright.

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