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The AAPG/Datapages Combined Publications Database

Showing 706 Results. Searched 200,756 documents.

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L. Van Bendegom: A Neglected Innovator in Meander Studies

J. R. L. Allen

Dallas Geological Society

...), β the point-bar transverse slope, and U the local mean flow velocity. In eq. (3) a number of coefficients peculiar to Van Bendegom’s analysis have...

1977

L. Van Bendegom: A Neglected Innovator in Meander Studies

J. R. L. Allen

CSPG Special Publications

...), β the point-bar transverse slope, and U the local mean flow velocity. In eq. (3) a number of coefficients peculiar to Van Bendegom’s analysis have...

1977

Mechanistic Analysis of Shale Permeability Evolution Data

Rui Shi, Jishan Liu, Derek Elsworth

Unconventional Resources Technology Conference (URTEC)

...  ka =(1 + β K n ) 1 + k∞   1 + Kn  (6) where β is a dimensionless rarefaction coefficient. The gas flow state in nanopores is not only determined...

2019

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...

2021

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

... ratios. For a particular offset, the elements of the vector a, aijk, can be obtained as follows: Aijk = Ao exp(- β ijk ⋅ l ijk ) ⇒ a ijk ≡ log( Ao...

2009

Estimation of the Current Recovery Factor for the Flooded Part of Stratum VI of the Ashet Sector of the Arlan Oil Field

M. S. Sayfullin, V. P. Pavlov

Petroleum Geology: A Digest of Russian Literature

... (2): (1) K i = Q · a - q o V · p · β where Q is oil production for a given period; a is the conversion coefficient for converting...

1964

New Models for Time-Cumulative Behavior of Unconventional Reservoirs „ Diagnostic Relations, Production Forecasting, and EUR Methods

Wajid Yousuf, Thomas A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... of fitting parameters. The detailed development of the cumulative-time, rate-time, rate-cumulative relations, and the D-, b- and β-derivative functions...

2016

Reservoir prediction technology based on tuning spectral decomposition

Wang Qingzhen, Wang Jianhua, Zheng Ying

International Meeting for Applied Geoscience and Energy (IMAGE)

... adjustable parameter, rending it inflexible to use. The expression of three-parameter wavelet can be given by ψ t, Γ = e−τ t−β {p Γ cos σt − k Γ iq Γ...

2024

Time-lapse seismic joint inversion based on Zoeppritz equation in depth domain

Wenjin Li, Jingye Li, Lei Han, Zhen Liao

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the new equation has the following form:  G1 0   m1   D1  (4) G G   ∆m  =  D    2  2 2 α 2 CM (M − M0 ) + β PT P ( M − M 0 ) 1 +  P...

2024

Tectonic evolution of the Triassic rift event: New insights from the Utsira High Area, Northern North Sea

Riccardo Sordi, Adrian J. Hartley, John Howell, Douglas Watson, Shaan Heydenrych, Spyridon Saltapidas

International Meeting for Applied Geoscience and Energy (IMAGE)

... and propose a series of 3-D models for the activity of the rift, calibrated with age constraints and β-factor values. Dataset To increase our...

2024

Pressure and Rate-transient Behavior of a Horizontal Well Intercepting Multiple Vertical Fractures within a Fractal Reservoir

Alex R. Valdes-Perez, Leif Larsen, Thomas A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... in a fractal reservoir, the dimensionless pressure of the image wells is: p= D,cr (lD , t D ) hD l[1− β ]/2 D  lθ + 2  D  (where v=[1-β]/[θ+2...

2018

Vertical Pressure Distribution in the Central Nam Con Son Basin, Vietnam

Hoang Ngoc Dang, Jan Rafdal, Chris Sladen

Indonesian Petroleum Association

... of main controlling factors in occurrence of overpressure. Structural aspects that have major effects include stress fields, the lithospheric (β...

1999

Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)

Jinfeng Ma, Le Gao, and Igor Morozov

Search and Discovery.com

... reflectivity can be written as follows, based on Aki and Richards’ (1980) simplification of Zoeppritz equation: R ps j = c j ln ( ρ j +1 β j +1 ) + d j...

2013

Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)

Mark Ng

Search and Discovery.com

... depth steps using a suitable time lag mapping function. Last year, I proposed to use z 2β τ ( z) = ∫ dz = 2 β (z - z 1 ) / v ( x, z ), | z − z1 | < Δz...

2013

Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)

Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

... as rational functions G ( z ) = a + b /(1 − cz 2 d ) = (α + βz 2 d ) /(1 + ηz 2 d ) , H ( z ) = b ' z d /(1 − cz 2 d ) , where α = a + b , β = − ac...

2015

Shallow Conduit Behavior of Silicic Magma Chambers: A Detailed Thermal Model; #40949 (2012)

Cathina Gunn de Rosas and Glen Mattioli

Search and Discovery.com

.... The change in rate (dQ(t)/dt) and the constant β is also defined (eq 1 & 2). “This equation is an approximation based on the assumption that the shear...

2012

Incorporating Complex Geology in Basin Models: Example from a Forearc Basin; San Joaquin Valley, California; #41949 (2016)

Lisa Alpert, Carolyn Lampe

Search and Discovery.com

... over time due to burial and/or subsidence. “Rift” model Thermal Model Temperature perturbation is a function of the amount of stretching, β...

2016

A Simulation Tool for Predicting an Optimum Pigging Schedule in a Gas Transmission Pipeline

Leksono Mucharam, Kuntjoro A. Sidarto, Rieske Hadianti, Darmadi, Evi Wahyuningsih, Ferry Pranolo, Indra S. Firmansyah

Indonesian Petroleum Association

... normal distribution which will be described later. Before applying the SPRT some parameters are used and need to be defined: : : : : A B α : : : β...

2008

The generation of equivalent sources by 3D skeletonization of the migration density field

James Brewster

International Meeting for Applied Geoscience and Energy (IMAGE)

... − r )ds |r − r | αβ (1) where Tαβ are observations of components of the gravity gradient tensor, Tαβ = ∂ 2 φ /∂ α∂ β , where φ is the gravitational...

2022

Graph-space optimal transport-based 3D elastic FWI for near-surface seismic applications

Dmitry Borisov, Richard D. Miller, Shelby L. Peterie, Julian Ivanov, Anthony M. Hoch, Steven D. Sloan

International Meeting for Applied Geoscience and Energy (IMAGE)

.../s with a 20 m/s step. The misfit values are calculated for each velocity β within the layer (Figure 2). The L2 norm has local minima for β < 240 m...

2022

A new calculating formation porosity method using PNC logging technology in cased wells

Hui Zhang, Feng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are the sensitivity indices of Sigma values; β are the sensitivity indices of inelastic count ratios. Therefore, we use f (Sigma, Rin) to eliminate...

2022

Problem of Formation of Oil in Continental (Lake) Sediments

N. B. Vassoyevich

Petroleum Geology: A Digest of Russian Literature

... the coefficient β reflects the overall, total content of both autochthonous and allochthonous bitumoids of the rocks, and the content and composition...

1963

Viscous Fingering Effect in Sweep Efficiency Calculation in Two Dimension Displacement by Using Waterflood Method

M.Ridho Wahyudi

Indonesian Petroleum Association

..., whereas if we take into account the effect of viscous fingering then the Ea value is 0.73 with β = 69.263 bbl (Table 2). 2. Calculations with M = 1...

2014

EXTENDED ABSTRACT: Evaluating aromatization of solid bitumen generated in the presence and absence of water

Paul C. Hackley, Aaron M. Jubb, Justin E. Birdwell, Patrick L. Smith, Ryan J. McAleer, Brett J. Valentine, Javin J. Hatcherian, Palma J. Botterell, Joshua D. Schumacher

The Society for Organic Petrology (TSOP)

... shift terminates alkyl radicals generated from β-scission in the solid bitumen, favoring its more complete dehydrogenation and aromatization under...

2021

Assessing the region of ambiguity of potential fields to improve surveying and modelling

Luigi Bianco, Maurizio Fedi, Maurizio Milano

International Meeting for Applied Geoscience and Energy (IMAGE)

... degree at different positions in the harmonic region, and then form the weighting function β (𝑥𝑥, 𝑦𝑦, 𝑧𝑧) which can be used in the data inversion...

2024

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