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jing zi tai can shu de gong cheng suan fa she ji
Author(s): 
Pages: 44-49
Year: Issue:  1
Journal: Journal of Xi'an Petroleum Institute(Natural Scien

Keyword:  three dimensional accelerometerthree dimensional magnetometerhole deviationdeviation azimuth.;
Abstract: The method of calculating well state parameters, such as the deviation azimuth and Pad No. l's azimuth with the data from three—dimensional accelerometer and three—dimensional magnetometer while logging or drilling has already been applied in dipmeter, high accuracy continuous inclinometer and MWD system. From the point of engineering realization and real—time processing, this artcile provides an algorithm with properties of fast calculation and high accuracy. This algorithm has been applied in some relevant instruments which are now serving the oil fields.
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