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• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...wndip from the well and a geophone is placed at depths of 1000 and 2600 m. Plot the raypaths and calculate the traveltimes for the primary reflection from
6 KB (806 words) - 14:24, 28 February 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] Plot $\bar{V}$ and $V_{\rm rms}$ versus depth and versus t
9 KB (1,295 words) - 14:37, 28 February 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...of 2.40 km where the refractor velocity is 4.25 km/s, (see Figure 4.21a), plot the traveltime-distance curve.
5 KB (749 words) - 14:56, 28 February 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] Velocity analysis usually results in a plot of stacking velocity against traveltime. Bauer (private communication) devi
8 KB (1,177 words) - 14:41, 4 March 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...alculation form. Calculate the average velocity and interval velocity, and plot graphs of time, average velocity, and interval velocity versus depth using
7 KB (1,041 words) - 14:42, 4 March 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] A velocity analysis at SP 100 of Figure 5.18a yields the $V_{s}-t$ plot shown in Figure 5.18b. Pick stacking velocity versus time pairs and calcula
6 KB (737 words) - 14:48, 4 March 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...er|{{figure number|6.9a.}} Directivity of a harmonic source at depth $z=c\lambda$.]]
5 KB (618 words) - 16:18, 8 November 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...ath>B[/itex]. Then $x=Fz_{m}$. Next we use the $x-t$ plot to find the corresponding $t$. Finally, $t_{v}$, the
9 KB (1,411 words) - 14:02, 25 June 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] W_{1}(z)=(2-z)^{2} (3-z)^{2} ;\quad W_{2}(z)=(4-z^{2})(9-z^{2}),
6 KB (842 words) - 10:15, 16 July 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...sea surface acts as a notch filter for receivers planted on the sea floor. Plot the notch frequency versus water depth.
5 KB (682 words) - 10:16, 16 July 2019
• | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] Plot cumulative energy as a function of time for wavelets $A=[1,\; -2,\; 3] 15 KB (2,027 words) - 10:16, 16 July 2019 • | author = [[Lloyd P. Geldart]] and [[Robert E. Sheriff]] ...13a)]. We take [itex]V_{1} \approx 1.90$ km/s (see Figure 11.15a) to plot the direct wave.
6 KB (757 words) - 14:36, 30 July 2019
• [[file:Ch07_fig17.png|thumb|{{figure number|17.}} Joint plot of the energy-buildup curves of the three wavelets shown in Figures 14 – &P\left(Z\right)=\frac{A^R\left(Z\right)}{A\left(Z\right)},
12 KB (1,774 words) - 15:43, 3 May 2021
• ...elation of each wavelet and the crosscorrelation of each pair of wavelets. Plot the results in a 4 × 4 table, with the autocorrelations on the diagonal an Plot the results. Show that it is necessary to plot only the right halves of the correlation functions.
13 KB (1,868 words) - 09:58, 4 May 2021
• ...nk between seismic data and the geology of the substrata. A sonic log is a plot of interval velocity as a function of depth. A strong low-frequency compone ...ultiples is preserved (Treitel et al., 1982)<ref name=ch11r23>Treitel, S., P. R. Gutowski, and D. E. Wagner, 1982, Plane-wave decomposition of seismogra
34 KB (5,057 words) - 16:44, 19 May 2021
• ...Deconvolution: SEG Geophysics Reprint Series No. 1.</ref>, equation 5.672, p. 102), determines the spectra of all possible linear combinations of the tr ...equency domain) for two traces is given by Robinson (1954, equation 5.696, p. 104), which for our simple case reduces to
10 KB (1,467 words) - 14:02, 6 May 2021
• [[file:Ch07_fig17.png|thumb|{{figure number|17.}} Joint plot of the energy-buildup curves of the three wavelets shown in Figures 14 – &P\left(Z\right)=\frac{A^R\left(Z\right)}{A\left(Z\right)},
12 KB (1,650 words) - 15:43, 3 May 2021
• [[file:Ch07_fig17.png|thumb|{{figure number|17.}} Joint plot of the energy-buildup curves of the three wavelets shown in Figures 14 – &P\left(Z\right)=\frac{A^R\left(Z\right)}{A\left(Z\right)},
11 KB (1,666 words) - 15:56, 19 May 2021
• ...elation of each wavelet and the crosscorrelation of each pair of wavelets. Plot the results in a 4 × 4 table, with the autocorrelations on the diagonal an Plot the results. Show that it is necessary to plot only the right halves of the correlation functions.
13 KB (1,752 words) - 09:58, 4 May 2021
• ...elation of each wavelet and the crosscorrelation of each pair of wavelets. Plot the results in a 4 × 4 table, with the autocorrelations on the diagonal an Plot the results. Show that it is necessary to plot only the right halves of the correlation functions.
12 KB (1,766 words) - 16:11, 19 May 2021

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