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The Industry Steering Committee on Wellbore Survey Accuracy
The Industry Steering Committee on Wellbore Survey Accuracy (ISCWSA) is seeking to dispel the confusion and secrecy currently associated with wellbore surveying and to enable the industry to produce consistent, reliable estimates of survey-tool performance in today's wells. This will be achieved through the production and maintenance of standards covering the construction and validation of tool error models.

Work focused initially on MWD 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 standardisation than other types of survey tool.

There is no formal membership of the Committee and its meetings are open to all who wish to attend.

The ISCWSA is affiliated to the SPE as the Wellbore Positioning Technical Section (SPE-WPTS) and has a web site with the SPE at:
The Official ISCWSA / SPE-WPTS is at
Note: The ISCWSA / SPE-WBTS does not approve tool error models for supplier specific survey tools.

More information on the ISCWSA may be obtained from the Committee chairman: Pete Clark (Chevron)


If you would like to be added to the ISCWSA e-mail distribution list please contact the Secretary Chad Hanak: