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Register a new userThe use of sonic method in the detection of petroleum reservoirs in Syrian oilfields ( Jubiseh)
استعمال الطريقة الصوتية في تحديد الخزانات النفطية ذات المسامية الثانوية في حقول الجبسة
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سليمان رماح( باحث )
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تعتمد فكرة استعمال الطريقة الصوتية لتحديد الخزانات ذات المسامية الثانوية (الشقوق و الفجوات) على التأثير الكبير لهذه الأخيرة في الأمواج المرنة. أتاح تعميم النتائج التجريبية وضع مخطط تفسيرات لتحديد الخزانات ذات المسامية الثانوية في الآبار. يبين البحث تحليلا مشتركًا لمعطيات القياسات الصوتية، مع بقية القياسات الجيوفيزيائية البئرية الأخرى، و التي تسهل قياس قطر البئر، الإشعاع الطبيعي، و النترون و المقاومية الدقيقة و العميقة، و غيرها. كذلك تم تحليل الصورة الموجية الكاملة المسجلة خلال فترة زمنية طويلة نسبيًا، بحيث شملت خطوطها الطورية أمواج لامبي. تمت عملية تحديد الخزانات ذات المسامية الثانوية بعد إجراء المضاهاة بين نتائج المعالجة و التحليل المشترك للمعطيات التي تم الحصول عليها، الأمر الذي أدى إلى إعطاء القرار القطعي حول المسامية الثانوية، و تقويمها، و بالتالي اقتراح طريقة لحسابها . كما تمت الإشارة إلى بعض العوامل الأخرى عدا المسامية الثانوية التي تؤثر في القياسات الصوتية.
The use of sonic method to detect reservoirs with secondary porosity (fissures and cavities) was due to the high effect of this porosity on the elastic waves. The generalization of the experimental results helped to construct a diagram to be used in detecting reservoirs with secondary porosity in the wells. A joint analysis of the data of the sonic method and other well logging methods, such as boreborehole diameter log, natural radioactivity log, natural log and micro and deep resistivity log...etc, was achieved. The wave spectrum was analysed for a relatively long period so that it included Lambi waves. The detection of these reservoirs was achieved by using the correlation between all available results, which led to the determination of the presence of the secondary porosity and the suggestion of a new calculation method. In addition to the secondary porosity some other factors which affect the sonic measurements were mentioned.
References used
رماح. س- تحديد المسامية الثانوية للصخور الكربوناتية الخازنة للنفط بالقياسات - الجيوفيزيائية البئرية في تشكيلة الشيلو - حقل الصالحية - مجلة جامعة دمشق ١٩٨٩ باللغة العربية.
شنورمان. أ- نتائج تفسير القياسات البئرية للخزانات المعقدة - نيدرا - موسكو ١٩٨٤ - باللغة الروسية.
كوزنيتوف.ول، إيفاكين ب ن الطريقة الصوتية للبحث في الآبار نيدرا موسكو ١٩٧٨ م.
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