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Calculated using three-dimensional seismic data relative thickness of coal seam Qudi areas


Be approximated. In addition,[link widoczny dla zalogowanych], the calculated relative thickness of coal seam seismic data accuracy and precision of the. Conventional treatment of true amplitude recovery, ground products Volume 9, No. 3 Herui Wu et al: Calculation of three dimensional seismic data relative thickness of coal seam Qudi Area 39 * one thousand one hundred and eleven. One hundred and twelve ==--~ a ljI ao ~ 7 \ 0.. ---- 10, -, 1.,, + L ~ \ 7, \ , \ 06j. c Qugu 2tt an ancient 1, /, / f one. 7 ',,, \ 4.., One by one, two = b :,,?,_ 0 4, IiL) a, a - a) \ Ic-07 \ '0 t) 1 ==== b / ~ u6 / -] one by one 2n0, a - ~ 06 y 【twenty-two) O - a 600 \ I by the Ancient:: \ j /-~----- jj Canton -- / u of a 0.6, S in Figure 3 normalized instantaneous frequency profile of the prime factors of compensation, multiple stacking, Road balanced, dynamic correction factors relative to the strike thickness is directly related to the precision. The only two wells drilled area of a Permian Carboniferous. which, trichostatin a lack of well-off Carboniferous to predict the relative thickness of about 0.6; 2 wells drilled TSA Carboniferous Department of Coal l6 layer 14.6m, calculate the relative thickness of 0.7. The relative thickness of the seam Prediction data agree well with drilling (Figure 5). References: 1 Zhaoqing Bo, Li Wuzhong, Sun Bindeng. Coal Geology and exploration technology. Beijing: Petroleum Industry Press. 19992 Yu Shoupeng. high resolution seismic exploration. Beijing: Petroleum Industry Press 【】 .1993 --- a 2, three hundred thirty-three u ~ jI (fa 06j,. \ ≮ ÷, Shu 0 {, OA, j , l, 4 (a ∞ a】 【J - inch.! 'l, llf4 =::~, 1, L a / (u4 / a - a: ~, | = 0:. 200 400 Figure 4 normalized cross correlation profile of the instantaneous phase,[link widoczny dla zalogowanych], one by one by one j Hajime 07. Plant ~ - twenty-one,,, f09, \ l8l ..., + / t /, _, L5,[link widoczny dla zalogowanych], /. ~ 08, \ ~,, a,, / / a ',,, \. Qu tongue, 07 - one by one ~ - ~ 60Cl wide 07 / - / song ancient 1oI whether the Trinity / a 06,[link widoczny dla zalogowanych], - a A t ~ Z / _-JQ_ eleven :,[link widoczny dla zalogowanych],/(-- one by one], \ (b =; one by one / one by one 。},--= \ 5, lll /~-:,, j, {L one by one 【】 7 , \, one by one j,, XI I \, \ a ll, (0 ,,~,~, 07 eleven ≥ b = b ≥ '_ a /, - II:, _ = a 06 a - a ~ a , one hundred and eleven - ~: Il (=, a --- a, a - a. 7 A \ / '?. 400, / <n \ Figure 5 Normalized relative thickness of the Carboniferous coal section 3 LI Qing-zhong . sandstone oil and gas characteristics of the frequency and amplitude characteristics. Oil Geophysical Prospecting, 1987,22 (5) :1-234 Zhao Shengliang. on the frequency of reflected waves with reduced gas understanding of the phenomenon. Oil Geophysical Prospecting, 1987, 22 (3): 24 ~ 275DelpratN, EscudieB.GuillemainPeta1.AsymptoticwaveletandGa-boranalysis: extractionofinstantaneousfrequencies.IEEETransac-lionsOilInformationTheory,, 1992,38 (3): 64_4 ~ 6646 Hanqi Yu. Seismic signal frequency domain. Shiyou University (Natural Science), 1994 . 18 (3): 26 ~ 30 editorial Fujin Ping
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