Abstract: AVO Depth Modelling (Paper 2)

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... conventionally derived data is one such approach. Given a eMP gather, the horizontal display of the variation of P-wave amplitudes provide a quick-look at any...

Gravel Ripples on the Inner Scotian Shelf

D. L. Forbes, R. Boyd

Journal of Sedimentary Research (SEPM)

..., computed from Equation 2, for appropriate values of incident wave period in the range 8 T 16 s, range from 0.6 to 2.0 m/s. Threshold velocities computed...

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

..., both of which are numerical solutions to the wave equation. These two categories are the integral methods (including Kirchhoff and beam techniques...

Devonian Hare Indian - Ramparts (Kee Scarp) Evolution, Mackenzie Mountains and Subsurface Norman Wells, N.W.T.: Basin-Fill and Platform-Reef Development

Iain Muir, Pak Wong, Jack Wendte

CSPG Special Publications

... deposits and certain reefal intervals. These limestones consist of rudstones and floatstones containing cylindrical stromatoporoids and branching corals...

Physical Processes in the Ocean

R. H. Fleming, Roger Revelle

Special Publications of SEPM

... is expressed in the following equation. V Vmax Fora semi-diurnal wave,S T = S = 2 sin çL. - T' sin q where of the tidal wave and T' is 24 hours...

Tensile radiation from slip in a medium with rough fractures

Scott Leaney, Chris Chapman

International Meeting for Applied Geoscience and Energy (IMAGE)

... with general compliance coupling terms and found that terms depending on 𝑍 𝑁𝐻 were the most significant for azimuthal P-wave AVAz. Minato et al. (2020...

Simultaneous inversion of tight sandstone reservoir fluid and brittleness index based on frequency-dependent AVO

Tianjun Lan, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In order to reduce the reservoir prediction error and improve the calculation efficiency, the PP-wave reflection coefficient equation characterized...

Mechanics of Basin Evolution and Its Relation to the Habitat of Oil in the Basin: Topical Papers

K. F. Dallmus

AAPG Special Volumes

... and dimensions is obtained (Fig. 1c). The shape of the earth is an oblate spheroid. The departure from the spherical shape, a flattening at the poles...

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

... propagation, lets start with general wave equation 1 and plane wave equation 2. 1 ∂ ρ ui = ci jkl ¨ 2 ∂xj ∂ uk ∂ ul + ∂ xl ∂ xk uk = A0 Pk e(−iK(n.r...

Abstracts: Time-lapse Differential AVO: Reflection Coefficient at Fluid-fluid Boundary; #90173 (2015)

Jinfeng Ma

Search and Discovery.com

... the amplitude difference and map fluid variation in a reservoir. In terms of elasticity modulus of Zoeppritz equation approximation and based on fluid...

Application of Multi-Scale Fracture Detection from Borehole Microresistivity Image and Dipole Shear Wave Reflection Imaging in Shale Gas Horizontal Wells: A Case Study in Changning Gas Field

DE Heng, He Fa Yao, Ran Wen, Bin Lin, Qi Cheng Fan, Yan Hui Fu,

Unconventional Resources Technology Conference (URTEC)

... of the wave on the propagation path, e(−ωD/2Q ∗β), Where Qβ and β are the quality factor and wave velocity of shear wave. It can be seen from equation 1...

Abstract: Determining Effective Hydraulic Fracture Volume Utilizing PSO and Seismic Deformation; #90171 (2013)

Sheri Bowman and Ted Urbancic

Search and Discovery.com

... characteristics of the reservoir are altered; specifically the P and S wave velocities. These changes in velocities are unique to each reservoir and to each...

Abstract: Determining Effective Hydraulic Fracture Volume Utilizing PSO and Seismic Deformation; #90171 (2013)

Sheri Bowman and Ted Urbancic

Search and Discovery.com

... characteristics of the reservoir are altered; specifically the P and S wave velocities. These changes in velocities are unique to each reservoir and to each...

Modeling the Rollovers of Sandy Clinoforms from the Gravity Effect on Wave-Agitated Sand

Neil C. Mitchell

Journal of Sedimentary Research (SEPM)

... Equation 1 with exponentially declining K with depth (Mitchell and Huthnance 2007), simulating the effect of wave action on sediment supplied from...

The Evaluation of an Oil Discovery: How to Locate the Second, Third and Fourth Wells

Parke A. Dickey

Southeast Asia Petroleum Exploration Society (SEAPEX)

... resolution of a seismic section is also limited by the fact that an advancing wave front has approximately a spherical shape. The energy arriving...

Systematic ichnology of the Mabou and Cumberland groups (Carboniferous) of western Cape Breton Island, eastern Canada, 1: burrows, pits, trails, and coprolites

Dave G. Keighley, Ron K. Pickerill

Atlantic Geology

... that resemble at least one full sine or clothoid wave. Successive waves may gradually diminish in amplitude (m odified from Hitchcock, 1858; Hantzschel...

Quantitative Outcrop Data for Flow Simulation

Brian J. Willis , Christopher D. White

Journal of Sedimentary Research (SEPM)

... that filled an embayment between the more wave-influenced Willow Sandstone to the south (right) and a subtle tectonic uplift to the north (After Willis et al...

Machine Learning for Estimating Rock Mechanical Properties beyond Traditional Considerations

Yiwen Gong, Mohamed Mehana, Ilham El-Monier, Feng Xu, Fengyang Xiong,

Unconventional Resources Technology Conference (URTEC)

.... However, the fissile nature of the shale rock largely challenges the mechanical properties measurement using a cylindrical core sample. While...

Abstract: DMO and Migration: Imaging Tools in Geophysics

Craig J. Beasley

Geological Society of Malaysia (GSM)

... are numerical processes based on the wave equation that attempt to focus the seismic images in much the same way as a camera lens focuses light...

Study of Subtle Traps Using Horizontal Seismic Sections: ABSTRACT

Alistair R. Brown, C. G. Dahm, Robert J. Graebner

AAPG Bulletin

... of these features has been further studied using seismic logs, derived by wave equation inversion. Reservoirs thicker than 30 ft (9 m) have proved...

Multivariate Pattern Recognition and Classification Methods: Chapter 4

John H. Doveton

AAPG Special Volumes

... then follows as: [EQUATION] The function describes a linear axis that crosses the multivariate space. The coordinates of any individual zone can...

Methods in Exploration Series #2: Seismic Models of Sandstone Stratigraphic Traps in Rocky Mountain Basins - Introduction

Robert T. Ryder, Myung W. Lee, Gerald N. Smith

AAPG Special Volumes

... by a wave-equation solution, but these models did not differ significantly from the models produced by the ray-theory program. Each seismic model...

ABSTRACT: The Effective Stress Coefficient in Pierre Shale; #90122 (2011)

I. O. Ojala and E. F. Sønstebø

Search and Discovery.com

... on rock properties is typically expressed with an effective stress law. Because of the majority of rock properties (e.g. strain, permeability, wave...

ABSTRACT: Petrophysical Attribute Evaluation and Anisotropic AVO Modeling in the Chad Basin, NE, Nigeria, by Adeagbo, Oloruntoba J.; Adepelumi, Adekunle A. ; #90142 (2012)

Search and Discovery.com

Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

... inversion. This result makes it possible to compute the shear-wave splitting parameter, γ, (historically determined from shear-wave data) directly...