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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 the next "Introduction to Wellbore Positioning" online course is scheduled to start March 25th 2024. Applications for enrollment are now being accepted.

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