کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1755056 | 1522820 | 2014 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Simulation of acoustic impedance images by stochastic inversion of post-stack seismic reflection amplitudes and well data
ترجمه فارسی عنوان
شبیه سازی تصاویر امپدانس آکوستیک با تغییر پذیری تصادفی از دامنه های انعکاس لرزه ای پس از پشته و داده های خوبی
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی اقتصادی
چکیده انگلیسی
Here we present an approach for simulation of 3D images of acoustic impedance conditional both to post-stack seismic reflection amplitudes and well impedance data. The method uses the following steps: (1) we calculate an initial deterministic image of impedances and reflection coefficients; (2) we apply a modified version of the sequential simulation and co-simulation algorithm for generating the impedance images conditioned to the reflection coefficients previously calculated and the impedance observed in the wells; and (3) we validate the results, particularly with respect to the correlation between the observed seismic cubes and the synthetic seismic cubes obtained by convolution of the simulated images of impedance. The advantages of this workflow are (1) efficiency - it is necessary to run only one simulation for each output image; (2) mapping of uncertainty - the set of equiprobable output images is conditional to both the impedance well data and the reflection coefficients of the deterministic image; and (3) compliance - the method complies with the characteristics of a simulation, namely, the declustered histogram of the well data, the variogram, and the reproduction of well data in blocks close to well locations. The approach was tested for modeling the impedance of a selected region of the Stratton gas reservoir.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Petroleum Science and Engineering - Volume 121, September 2014, Pages 52-65
Journal: Journal of Petroleum Science and Engineering - Volume 121, September 2014, Pages 52-65
نویسندگان
Fernando Alves, José António Almeida, Ana Paula Silva,