The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
ti gao sheng bo shi cha ji lu jing du de yi dian cuo shi
Author(s): 
Pages: 36-38
Year: Issue:  2
Journal: Well Logging Technology

Keyword:  声速测井仪单发双收声波信号衰减程度可能误差声波时差触发相位直接影响记录人为因素;
Abstract: <正> 国产单发双收声速测井仪是靠两道幅度鉴别级来触发记录门,以记录声波时差。鉴别门坎的高低,直接影响着触发相位。当两道触发相位不同时,就会出现误差。事实上,由于门坎调整中的人为因素,以及由于地层介质的不同而引起声波信号衰减程度的变化,使得两道触发相位不可能较好地配合。
Related Articles
No related articles found