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توضیحات محصول دانلود پاورپوینت آشنایی با روش های اندازه گیری دامنه و کاهش امواج صوتی (کد10568)
دانلود پاورپوینت آشنایی با روش های اندازه گیری دامنه و کاهش امواج صوتی
\nاندازه گیری دامنه و تضعیف امواج صوتی
\n \n\n عنوان های پاورپوینت :
\nonic Wave Paths
\nSignal
\nariable Density (VDL)
\nement contact with casing and formation 1) Free pipe(no cement) 2)Cement bound to casing but poor bound to formation 3)Cement bound to formation but poor bound to casing 4)Cement Good bound to both casing and formation 5)Partial cement 6)Exist of micro annulus(micro gap between cement and casing)
\n Good cement “Amplitude” low. “VDL” formation signals are strong. “VDL” casing signals are poor.
\nNo cement “Amplitude” High. “VDL” straight. No formation signals.
\nPartial cement “Amplitude” is low and moderate. “VDL” can shows both wiggly formation signals and straight casing signals.
\nMicro annulus (micro gap between cement and casing) “Amplitude” is moderate.. “VDL” can shows both wiggly formation signals and straight casing signals In case of doubt, repeat the log under 1000psi pressure to the well. The gap will be closed and log will change to "Good Cement“. Micro-separation (yellow) between pipe and cement (< 1 mm) caused by a drop in temperature or pressure.
\nCement without bound to formation “Amplitude” low. “VDL” doesn't show casing and formation signals. Thin mud and cement signals are visible.
\nCement bound in hard formation “Amplitude changes between low and high Formation signals cover casing signals. Cement is good.
\nWell cemented and poor cemented casing
\n\n\n \n\nقسمت ها و تکه های اتفاقی از فایل\n\n \n\nدلایل نظری تضعیف\n\nاز بین رفتن انرژی بواسطه تلف شدن گرما\n\nاصطکاک جامد این\n\nVDL(Variable Density Log)\n\nنگار چگالی متغیر\n\nدر این ابزار\n\ngap between cement and casing\n\nAmplitude” is moderate\n\nand straight casing\n\n \n\n \n\n۳۰ تا ۷۰ درصد پروژه / پاورپوینت / پاور پوینت / سمینار / طرح های کار افرینی / طرح توجیهی / پایان نامه/ مقاله ( کتاب ) های اماده به صورت رایگان میباشد
