Search results

Jump to: navigation, search
  • ...[[Stolt migration]] using the constant velocity associated with the water layer. The result shown in Figure 7.0-3b exhibits significant undermigration of t ...subsurface below the center midpoint (32) of the center inline (32) at the layer boundaries (denoted by the asterisks in the velocity model in Figure 5.1-17
    279 KB (43,590 words) - 08:31, 29 August 2014
  • ...igration]] ([[2-D poststack depth migration]]). Difficulties in estimating layer velocities with a required level of accuracy make the earth model estimatio ...s chapter, first, we shall discuss practical inversion methods to estimate layer velocities (Sections [[models with horizontal layers]], [[model with low-re
    278 KB (43,816 words) - 13:40, 10 September 2014
  • ...ith the fraction of incident wave energy that is transmitted into the next layer. ...seismology, we also make use of Love and Rayleigh waves which travel along layer boundaries, and thus are characterized as ''surface waves''.
    395 KB (60,721 words) - 13:42, 10 September 2014
  • ...ith the fraction of incident wave energy that is transmitted into the next layer. ...|Love]] and [[Dictionary:Rayleigh_wave|Rayleigh waves]] which travel along layer boundaries, and thus are characterized as ''[[Dictionary:Surface_wave|surfa
    18 KB (2,723 words) - 15:28, 6 October 2014
  • ...ing oil than a vertical well. <ref name=":2" /><ref>1996, Middle East Well Evaluation Review: Horizontal Highlights: Middle East & Asia Reservoir Review, 16, 7-2 ...eel and cement casings. As the well is drilled deeper, casing diameter and thickness of casing decreases. Credit: [[wikipedia:User:Macquigg/Sandbox/Offshore_oil
    11 KB (1,649 words) - 13:11, 4 January 2018
  • ...lution, being vertical and horizontal. Vertical resolution determines the thickness of the beds, such as two close seismic responds corresponding to different ...bed thickness more than λ/4, the wavelength is used to determine the bed thickness.<ref name=":0" />
    8 KB (1,144 words) - 21:45, 19 April 2018
  • == Tuning Thickness == ...erpreters to study how the seismic response changes as a function of layer thickness.
    10 KB (1,507 words) - 11:05, 30 November 2018
  • ...seismic, due to lateral velocity gradients across a fault zone, or strong layer velocity contrasts across a fault. These strong lateral velocity changes ca ...u/doi/pdf/10.1190/1.1437403</ref> Oppositely, a thinning of a low velocity layer across a fault will cause a pull-up effect within the foot wall block. This
    10 KB (1,438 words) - 22:48, 4 December 2018
  • ...mbrian basin. It is surrounded by uranium rich source rocks.In each layer, thickness variations of Phanerozoic [[wikipedia:Sedimentary_rock|sedimentary rocks]] ...g.org/wiki/Hydrocarbon_seal seal] is a relatively impermeable, a seal is a layer of rock that forms a barrier or cap above and around a reservoir rock. Comm
    13 KB (1,850 words) - 19:50, 4 December 2021