About Us

Greetings from the SPE, Wellbore Positioning Technical Section, ISCWSA


"The primary aim of this group is to produce and maintain standards for the industry relating to wellbore survey accuracy. To set standards for terminology and accuracy specifications. Establish a standard framework for modelling and validation of tool performance. Raise awareness & understanding of wellbore survey accuracy issues across the industry."

Click here to download the NEW FREE ISCWSA: WELL INTERCEPT SUB-COMMITTEE ebook

Click here to play the recording of the SPE wellbore-ranging-technologies-intercept-applications-and-best-practices

Click here to download the FREE Introduction to Wellbore Positioning ebook V09.10.17

Click here to download the free Making the Most of Borehole Surveying Video


The ISCWSA, (Industry Steering Committee on Wellbore Survey Accuracy) work has resulted in the publication of technical papers, leading technical work shops, multiple SPE “Hits and Misses” workshops, the Wellbore Positioning e-book, anti-collision papers and API project. We have comprehensive cross-industry, international representation with regular attendance from a wide variety of service companies, operators, and consultants, academia and software companies.

The Industry Steering Committee on Wellbore Survey Accuracy was founded to dispel the confusion and secrecy commonly associated with wellbore surveying and to enable the industry to produce consistent, reliable estimates of survey-tool performance in today's wells. We achieve these goals through the production and maintenance of standards covering the construction and validation of tool error models.

Work focused initially on Measurement While Drilling systems. They provide a large proportion of the total directional survey data world-wide and, because of their similarities between suppliers, are more amenable to specification standardization than other types of survey tool.

There is no formal membership enrollment to join the ISCWSA and its meetings are open to all who wish to attend. The committee generally holds twice yearly meetings and has held 48 meetings internationally to date. The ISCWSA is also affiliated with the Society of Petroleum Engineers as the SPE Wellbore Positioning Technical Section, click here to join.

Click this link for the Wellbore Positioning Technical Section Meeting Minutes

Click here for Wellbore Positioning Technical Section Sub-Commitee information and documents

Active Sub-Committees


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  • Posted in: Wellbore Positioning Technical Section

    Dear Colleagues, The 2018 Distinguished Lecturer: Steve Sawaryn is presenting at the following USA SPE Technical Section ...


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