Well-recording method and apparatus with an electromagnetic wave propagation, which provides variable-depth research by combining phase angle and amplitude attenuation.

• 1. 提供可变深度显示的装置和技术 [P] . 中国专利： CN104769944B . 2018.05.15
• 2. 提供可变深度显示的装置和技术 [P] . 中国专利： CN104769944A . 2015-07-08
• 3. WELL LOGGING METHOD AND APPARATUS INVOLVING ELECTROMAGNETIC WAVE PROPAGATION PROVIDING VARIABLE DEPTH OF INVESTIGATION BY COMBINING PHASE ANGLE AND AMPLITUDE ATTENUATION [P] . CA2140857C . 1999-05-04

  机译： 涉及电磁波传播的测井方法和装置，通过相角和振幅衰减的组合来提供可变的调查深度

• 4. Well logging method and apparatus involving electromagnetic wave propagation providing variable depth of investigation by combining phase angle and amplitude attenuation [P] . AU672809B2 . 1996-10-17

  机译： 涉及电磁波传播的测井方法和装置，通过相角和振幅衰减的组合提供可变的调查深度

• 5. Well logging method and apparatus involving electromagnetic wave propagation providing variable depth of investigation by combining phase angle and amplitude [P] . 英国专利： GB2284064B . 1996-05-01

  机译： 涉及电磁波传播的测井方法和装置，通过组合相角和振幅来提供可变的调查深度

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