Downhole ray type water content monitor
A monitor and ray technology, applied in the field of monitors, can solve problems such as the inability to eliminate the influence of gas content and the inability to apply water content monitoring in the horizontal section of horizontal wells, and achieve the effect of overcoming the small measurement range and eliminating errors
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Embodiment 1
[0023] In order to overcome the problem that the water cut monitoring instrument in the prior art cannot eliminate the influence of gas content on the water cut measurement and cannot be applied to the water cut monitoring of the horizontal section of the horizontal well, this embodiment provides a method such as figure 1 and figure 2 The downhole ray-type water content monitor shown includes a housing 9, the upper and lower ends of the housing 9 are respectively provided with an upper joint 1 and a lower joint 7, and a central flow channel 2 runs through the upper and lower sides of the housing 9. A radioactive source mount 12, a radioactive source 11, a transmission detector 3, a scattering detector 13, a circuit board 4 and a battery pack 5 are arranged between the casing 9 and the central flow channel 2, and the radioactive source mount 12 is placed In the middle part of the casing 9, the radiation source 11 is installed on the radiation source mounting base 12 and is arr...
Embodiment 2
[0029] On the basis of Example 1, this embodiment further explains the subsection water detection test process of the downhole ray-type water cut monitor of the present invention in a horizontal well. In this embodiment, the radioactive source 11 of the downhole ray-type water cut monitor The inclination angle is 35°, and the distance between the radiation source 11 and the transmission detector 3 is 65 cm.
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