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Find the resources you need for better wellbore survey accuracy.

Industry Steering Committee on Wellbore Survey Accuracy (ISCWSA) produces, maintains, and publishes standards for the industry, promoting a collaborative understanding of issues associated with wellbore surveying. Learn More

ISCWSA online training course

The ISCWSA is pleased to announce that 22 Students have passed the March 2024 course, bring the total of Certificated Students to 120.

The next intake for the "Introduction to Wellbore Positioning" online course is scheduled to start September 2024.
Applications for enrollment are now being finalised.

Resource Spotlight

Introduction to Wellbore Positioning

The advent of the ISCWSA brought in a new era in survey practice, improving the realism of error models and hosting a bi-annual forum for industry experts to share ideas and experiences. This project has emerged out of a recognised need for better educational materials to support the understanding of borehole surveying issues.

ABOUT ISCWSA'S TRAINING COURSE

Well Intercept SubCommittee eBook

The intent of the WISC eBOOK is to aid/assist line management, decision makers and engineers to determine the appropriate actions; starting by not accepting any excessive risk-taking that operate only under As Low As Reasonably Practical (ALARP) conditions, selecting appropriate ranging methods and technologies, wellbore surveying technique and operation contingency for a given interception objective.

 

 DOWNLOAD THE V3 eBOOK

Error Model Maintenance SubCommittee Error Model Rev4 Excel Workbook

The ISCWSA does not supply, check, certify or warrant the error models created by tool providers. However, the ISCWSA has specified a generic MWD tool error model. It comes in eight variants for various combinations of surveys, platforms, and sag correction.

 DOWNLOAD THE WORKBOOK

Leadership Team

Hans DREISIG Leadership Team ISCWSA Headshot

Hans DREISIG

Chair Person

Andy McGregor Leadership Team ISCWSA Headshot

Andy McGregor

Program Chair

Robert Wylie Leadership Team ISCWSA Headshot

Robert Wylie

Treasurer

Phil Harbidge Leadership Team ISCWSA Headshot

Phil Harbidge

Webmaster

Timothy Paton Leadership Team ISCWSA Headshot

Timothy Paton

Secretary

David Gibson Leadership Team ISCWSA Headshot

David Gibson

Membership Chair

Adrian Ledroz Leadership Team ISCWSA Headshot

Adrian Ledroz

Emeritus Chairperson