Gerard de Blok will be teaching a 3-day course on HPHT Planning & Well Control. He has over 41 years of experience in well engineering with Shell. The course will focus on key challenges of drilling HPHT wells like pore pressure prediction, mud density control, and well control procedures. It is intended for experienced engineers and supervisors involved in HPHT drilling. The agenda covers topics such as well design, drilling operations, specialized equipment, and managed pressure drilling in HPHT environments.

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HPHT PLANNING &
WELL CONTROL
Your Expert Course Leader
Gerard de Blok
Gerard de Blok has over 41 years of experience as a Well Engineer with Shell
Internationally. Over the span of his career Gerard was employed as a Drilling
Supervisor and as a Well Engineering Learning Facilitator. He has great interest
and has been actively involved in matters related to well control since 1994,
notably his period as IWCF Chairman in the 1990’s. Gerard is an IWCF and IADC
approved Instructor and Assessor.
AGR - TRACS International.

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HPHT PLANNING & WELL CONTROL
About this Course
In our pursuit to discover oil and gas in ever deeper horizons, wells are often drilled in what is known as a High
Pressure High Temperature [HPHT] environment. To be considered a HPHT well, the downhole conditions will have
pressures in excess of 10,000 psi [69 MPa] and 300 deg F [150 deg C]. To drill these usually expensive wells
successfully, the planning and execution phase has to be of an exceptionally high standard. Therefore, both operator
and drilling/service contractor staff must be seamlessly aligned and work as a coherent team to reach and then
harness the well objectives.
The course focuses on the key characteristics and challenges of HPHT Planning & Well Control
 Differences between HPHT and standard [conventional] wells and what this entails for well design
 Impact of Pore Pressure Prediction [PPP] and understanding of kick tolerance
 Static and Dynamic Equivalent Mud Density and the factors that influence the ultimate Bottom Hole
Pressure [BHP]
 Control practices such as ‘fingerprinting’ to identify what’s happening downhole
 Specific HPHT equipment requirements and advantages of Managed Pressure Drilling [MPD]
 Well control on/off bottom and dealing with kick-loss situations
 Mud management and tolerance on mud properties
 Team effort, checklists and ‘getting everybody on-board’
Who should attend this course?
The course is meant for experienced engineers directly or indirectly involved in the delivery of HPHT wells such as
office-based planning and operations well engineers and field-based operator/contractor supervisory staff.
Participants to this course must have prior awareness level knowledge about HPHT well engineering and
operations concepts. This is an intermediate level course.
About your Expert Instructor: Gerard de Blok
Gerard holds a BSc degree in Mechanical Engineering and has 41 years of experience as a
Well Engineer. From 1974 till 2007 he worked for Shell International as Senior Drilling
Supervisor, Drilling Application Engineer, Drilling Projects Engineer and as Training Course
Director. His work in Shell had provided him the opportunity to work in several international
field locations, including Malaysia, Russia, Oman, Netherlands, Denmark and Indonesia.
From 2007 to 2015, he worked as Wells Staff Development Manager in China, responsible
for coaching, mentoring and recruiting the new generation of well engineers. He has great
interest and has been actively involved in matters related to well control since 1994, notably
his period as IWCF Chairman in the 1990’s. Gerard is an IWCF and IADC approved Instructor and Assessor and
provides lectures on Well Engineering topics like Basic and Advanced Well Engineering, Stuck Pipe Prevention
and HPHT Planning & Well Control. He also held the function of field visit coordinator and lecturer in Drilling
Engineering at the Delft University of Technology, Department of Geo-technology. Gerard now works as a
consultant providing various well engineering courses.

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Call us at +65 6741 9927 or email to info@asiaedge.net. For more information, visit us at www.petroedgeasia.net
HPHT PLANNING & WELL CONTROL
Your Key Learning Outcomes from Attending:
 Recognizing the main differences in planning/design between HPHT and standard [conventional] wells,
as well as the challenges that will have to be faced
 Drilling and tripping operational challenges and practices and how to manage these effectively
 Identifying wellbore breathing [a.k.a. ballooning] and how to safely deal with this within the narrow
window for mud density selection
 Practicing consistent fingerprinting and to developing procedures for the rig team
 Measuring and understanding of bottom hole pressure and the effect of influencing factors like
temperature, rotation and flow rate
 Understanding the critical mud properties to alleviate barite sag and mud density control in general
 Managing losses and low fracture gradients with well bore strengthening methods
 Understanding how MPD can assist in the safe and efficient drilling of HPHT wells
 Identifying critical Early Kick Detection Systems [EKDS] and HPHT well control equipment
 Executing safe secondary well control practices, on and off bottom and handling of gas at surface,
using MGS and hydrate mitigation measures
 Appreciating why crew training and optimal communication will greatly assist in achieving the ultimate
HPHT well objectives
3-DAY COURSE SCHEDULE
DAY 1
 Introduction & Objectives
 HPHT Well Design Critical Sections
 HPHT Challenges
 Pore Pressure Prediction and Evaluation
 HPHT Operations [Mud Density, Temperature,
ECD/ESD]
 Ballooning, Fingerprinting [Drain-Back, Flow-Back]
 Drilling & Tripping Operations [Info Gathering]
 Workshop Exercise #1
DAY 2
 Review Day 1
 Shut-in Procedures, Follow-Up & Drills
 Case Studies and Risk Avoidance
 HPHT Equipment
 Drilling Tools
 Early Kick Detection
 Prevention of Hydrates
 Mud-Gas Separator
 Workshop Exercise #2
 HPHT Mud and Cement Issues
DAY 3
 Review Day 2
 Managed Pressure Drilling
 Secondary Well Control Procedures
 Tertiary Well Control
 Wellbore Strengthening
 Staying-in-Control

4. Conduct this training course in-house for more effective savings!
Call us at +65 6741 9927 or email to info@asiaedge.net. For more information, visit us at www.petroedgeasia.net
HPHT PLANNING & WELL CONTROL
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HPHT PLANNING & WELL CONTROL
R E G I S T R A T I O N F O R M