Download our formula sheets, kill sheets and other study materials below to help you prepare for your assessments at any level.
Learning Resources
Learning Resources
Well Control and Pressure Control Calculations e-Learning
This free, online e-learning resource is for well control and pressure control students who want to gain understanding, knowledge, practice and confidence in making well control and pressure control calculations.
Click HERE for more information and to access the e-learning calculations resource.
**NEW** Formula Sheets - Drilling (In use from 19 June 2023)
- **NEW** Azerbaijani BL 0.0981 Formula Sheet v1.0 – July 2023
- Brazilian Portuguese API Formula Sheet v2.0 – June 2023
- Chinese API Formula Sheet v2.0 – June 2023
- Croatian BL 0.0981 Formula Sheet v2.0 – June 2023
- Czech BL 0.0981 Formula Sheet v2.0 – June 2023
- Czech BL 10.2 Formula Sheet v2.0 – June 2023
- **NEW** Dutch BL 0.0981 Formula Sheet v1.0 – June 2023
- English API Formula Sheet v2.0 – June 2023
- English BL 0.0981 Formula Sheet v3.0 – June 2023
- English BL 10.2 Formula Sheet v2.0 – June 2023
- English SI Formula Sheet v2.0 – June 2023
- French API Formula Sheet v1.0 – June 2023
- French BL 10.2 Formula Sheet v3.0 – June 2023
- German BL 10.2 Formula Sheet v4.0 – June 2023
- **NEW** Hungarian BL 0.0981 Formula Sheet v1.0 – June 2023
- Italian KGM Formula Sheet v2.0 – June 2023
- Norwegian BL 0.0981 Formula Sheet v3.0 -June 2023
- **NEW** Polish BL 0.0981 Formula Sheet v1.0 – June 2023
- **NEW** Polish BL 10.2 Formula Sheet v1.0 – June 2023
- Romanian API Formula Sheet v2.0 – June 2023
- Romanian SI Formula Sheet v3.0 – June 2023
- Russian API Formula Sheet v2.0 – June 2023
- Russian BL 0.0981 Formula Sheet v4.0 – June 2023
- **NEW** Russian BL 10.2 Formula Sheet v1.0 – June 2023
- Spanish South American API Formula Sheet v3.0 – June 2023
- **NEW** Thai API Formula Sheet v1.0 – June 2023
- Turkish API Formula Sheet v3.0 – June 2023
Formula Sheets - Well Intervention
- French Metric 10.2 Formula Sheet V2.0 – November 2022
- English API Formula Sheet V2.0 – November 2022
- English Metric 0.0981 Formula Sheet V3.0 – November 2022
- English Metric 10.2 Formula Sheet V2.0 – November 2022
- English SI Formula Sheet V2.0 – November 2022
- Norwegian Metric 0.0981 Formula Sheet V2.0 – November 2022
- Russian Metric 0.0981 Formula Sheet V2.0 – November 2022
- Dutch Metric 0.0981 Formula Sheet V2.0 – November 2022
- Hungarian Metric 0.0981 Formula Sheet V2.0 – November 2022
- German Metric 10.2 Formula Sheet V2.0 – November 2022
- Italian KGM Formula Sheet V2.0 – November 2022
Kill Sheets - Surface BOP Stack Operations
- Surface BOP Stack Operations API – Deviated Well Kill Sheet
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Chinese v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Croatian v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – French v1.0 – Dec 21
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Portuguese Brazilian v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Romanian v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Russian v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Spanish South American v1.0 – Oct 2021
- Surface BOP Stack Operations API – Vertical Well Kill Sheet – Turkish v1.0 – Oct 2021
- Surface BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Croatian v1.0 – Oct 2021
- Surface BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Czech v1.0 – Dec 21
- Surface BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Hungarian v1.0 – Oct 2021
- Surface BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Norwegian v1.0 – Oct 2021
- Surface BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Polish v1.0 – Oct 2021
- Surface BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Russian v1.0 – Oct 2021
- Surface BOP Stack Operations BL 0.0981- Deviated Well Kill Sheet
- Surface BOP Stack Operations BL 0.0981- Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Surface BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – Chinese v1.0 – Oct 2021
- Surface BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – Dutch v1.0 – Oct 2021
- Surface BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – French v1.0 – Oct 21
- Surface BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – German v1.0 – Oct 2021
- Surface BOP Stack Operations BL 10.2- Deviated Well Kill Sheet
- Surface BOP Stack Operations BL 10.2- Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Surface BOP Stack Operations KGM – Vertical Well Kill Sheet – Italian v1.0 – Oct 2021
- Surface BOP Stack Operations SI – Deviated Well Kill Sheet
- Surface BOP Stack Operations SI – Vertical Well Kill Sheet – Croatian v1.0 – Oct 2021
- Surface BOP Stack Operations SI – Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Surface BOP Stack Operations SI – Vertical Well Kill Sheet – Romanian v1.0 – Oct 2021
- Surface Deviated Kill Sheet – English API – v1.0 – Oct 21
- Surface Deviated Kill Sheet – English BL 0.0981 – v1.0 – Oct 21
- Surface Deviated Kill Sheet – English BL 10.2 – v1.0 – Oct 21
- Surface Deviated Kill Sheet – English SI – v1.0 – Oct 21
Kill Sheets - Subsea BOP Stack Operations
- Subsea BOP Stack Operations API – Deviated Well Kill Sheet
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – Chinese v1.0 – Oct 2021
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – French v1.0 – Dec 2021
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – Portuguese Brazilian v1.0 – Oct 2021
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – Russian v1.0 – Oct 2021
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – Spanish South American v1.0 – Oct 2021
- Subsea BOP Stack Operations API – Vertical Well Kill Sheet – Turkish v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Croatian v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Hungarian v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Norwegian v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Polish v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 0.0981 – Vertical Well Kill Sheet – Russian v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 0.0981- Deviated Well Kill Sheet
- Subsea BOP Stack Operations BL 0.0981- Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 10.2 – Deviated Well Kill Sheet
- Subsea BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – Dutch v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – French v1.0 – Oct 2021
- Subsea BOP Stack Operations BL 10.2 – Vertical Well Kill Sheet – Turkish v1.0 – Oct 2021
- Subsea BOP Stack Operations KGM – Vertical Well Kill Sheet – Italian v1.0 – Oct 2021
- Subsea BOP Stack Operations SI – Deviated Well Kill Sheet
- Subsea BOP Stack Operations SI – Vertical Well Kill Sheet – English v1.0 – Oct 2021
- Subsea Deviated Kill Sheet – English BL 10.2 – v1.0 – Oct 21
- Subsea Deviated Kill Sheet – English BL 0.0981 – v1.0 – Oct 21
- Subsea Deviated Kill Sheet – English API – v1.0 – Oct 21
- Subsea Deviated Kill Sheet – English SI – v1.0 – Oct 21
IOGP Well Control Incident Lesson Sharing
The International Association of Oil & Gas Producers (IOGP) Well Control Incident lesson sharing system was established as a means of notifying IOGP members and the wider community of the lessons learned from well control incidents and near misses. The sharing of these lessons will help to promote learning and avoid the repetition of similar errors. The result will move the industry to a higher level of well control safety.
All IOGP Well Control Incident lessons can be viewed on the IOGP website here.
Weak Signals Video and Scripts
The Weak Signals video is intended to be used during a rig-based safety meeting for personnel involved in managing Wells Process Safety. It is intended to be used to facilitate discussions, relevant to both the individuals, the team and the rig.
The video has 6 different scenes and includes voices of key individuals involved with controlling process safety. After each scene there are some questions which can be discussed by the audience, so the instructor can stop the video after each scene to facilitate the discussion. The facilitators guide is available to download here.
It is suggested that drilling contractors, service providers and operator personnel use this resource. Group size is expected to be around 10-12 people, but you may want to break into smaller groups for the discussion.
The video last 17 minutes without discussion. The total time of the exercise including the video and discussion is approximately 1 hour.
Industry-leading Courses and Resources
Expand your well control knowledge and skills with IWCF’s industry-leading courses and resources.
You can find out more about these courses and resources by viewing the video or you can follow the links below.
Access each of these resources below:
Level 1 Well Control Awareness Course
Well Operations Crew Resource Management Course
Well Control and Pressure Control Calculations E-learning Resource
Well Operations Crew Resource Management Awareness Course
In addition to our free Level 1 course, we recently introduced a free, online Well Operations Crew Resource Management (WOCRM) awareness course focusing on non-technical skills.
There are 6 modules which candidates can complete with a knowledge check after each module. Once candidates have successfully completed all 6 modules, they will sit a final assessment. If a pass mark of 70% or more is achieved, they will receive an instant certificate.
The 6 course modules include:
- Situational Awareness
- Decision Making
- Leadership
- Communication
- Teamwork
- Performance Factors
Register for WOCRM today by following the link in the banner below.

Level 1 Well Control Awareness Course
The IWCF Level 1 well control awareness course aims to increase candidates understanding of how well control incidents can occur, their consequences and prevention methods.
Level 1 is the industry’s first free, online course which is perfect for anyone new or experienced in the industry, especially students and graduates, personnel involved in well control and those who are simply interested in well control.
The Level 1 course has 7 modules which cover the following topics:
- Overview of Oil and Gas
- Life Cycle of a Well
- Drilling Rigs
- Well Control During Drilling Operations
- Well Intervention and Workover
- Pressure Control During Well Intervention
- Conclusion.
You can find out more about Level 1 by viewing the course video or you can register below.
Level 1 and WOCRM
Complete our Level 1 and Well Operations Crew Resource Management (WOCRM) awareness courses for free today!