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Ouija board

Ouija board (registered trademark of Eastern Whipstock) An instrument composed of two protractors and a straight scale that is used to determine the positioning for a deflecting tool in an inclined wellbore. [Pg.1082]

The deflection tool orientation parameters can be obtained using the vectorial method of D. Ragland, the Ouija Board , or the three-dimensional mathematical deflecting model. [Pg.1085]

Feinstein, AR. Clinical biostatistics. XXXIX. The haze of Bayes, the aerial palaces of decision analysis, and the computerized Ouija board. Clin Pharmacolg Ther 1977 21 482-96. [Pg.307]

See other pages where Ouija board is mentioned: [Pg.21]    [Pg.221]    [Pg.99]    [Pg.167]    [Pg.21]    [Pg.221]    [Pg.99]    [Pg.167]   
See also in sourсe #XX -- [ Pg.1082 ]



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