Determination of Organic-Matter Content of Appalachian Devonian Shales from Gamma-Ray Logs

James W. Schmoker

AAPG Bulletin

... basin the organic-matter content of the Devonian shale can be estimated from gamma-ray wire-line logs using the equation: ^phgro = (^ggrB - ^ggr)/1.378A...

2023 Middle East Oil, Gas and Geosciences Show ; - Abstracts, #91204 (2023).

Search and Discovery.com

Computational Fluid Dynamics Modeling of Proppant Transport in a Plug and Perf Completion With Different Perforation Phasing

Jinlin Zhang, Shari Dunn-Norman

Unconventional Resources Technology Conference (URTEC)

... drops determined from CFD modeling are compared to the analytical equation to further validate the work. Two-way coupling method was conducted...

Graphic Presentation and Statistical Analysis of Sedimentary Data: Part 7. Methods of Study

W. C. Krumbein

AAPG Special Volumes

... to the sum of the percentages in the first two classes, and so on. In effect, the cumulative curve is equivalent to setting each histogram block...

4D Seismic and Rock Physics Modeling Responses to Reservoir Steam Flood

Muhammad Edisar, Lilik Hendrajaya, Gunawan Handayani, Umar Fauzi, Laode Ngkoimani, Yarmanto

Indonesian Petroleum Association

... using Gassmann equation, steam injection decreases the Vp by an average of 20-25% in the reservoir sands. Rock physics analysis also show that shear...

Expanding Role of Computer in Geology

E. L. Dillon

AAPG Bulletin

... a pronounced effect in the fields of both oil and gas exploration and management reporting. The number of geologists who are using new computer...

Deblurring migration images with point spread function filter

Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... not compute the Hessian inverse, the migration image we retrieved is blurred, and we could remove the blurring effect by applying the Hessian inverse...

Gas Production from an Apparent Low SaturationŽ Zone with a Strong Seismic Amplitude Anomaly

Retno Wijayanti, Ludy Andria, Miftahul Firdaus, Agung Ertanto, Lukman Hidayat, John D.E. Hughes, Agus Sulistiarso

Indonesian Petroleum Association

... velocities exhibit a gas effect “slow down” with relatively low gas saturations. Consequently shallow seismic amplitude anomalies are commonly...

Eagle Ford Solutions: Critical Log Data, Solutions and Conclusions; #41287 (2014)

Charles H. Smith

Search and Discovery.com

... the Bray-Smith permeability equation. Dipole sonic logs provided another important element of discovery. When these logs are run in vertical pilot holes...

Optimization of Well Spacing for Bakken Tight Oil Reservoirs

Wei Yu, Kamy Sepehrnoori

Unconventional Resources Technology Conference (URTEC)

... proppant types such as sand only, sand/ceramic, and ceramic only. Geomechanics effect, i.e., stress-dependent fracture conductivity, is taken...

Understanding the Uncertainty of Gas Saturation Estimates: An Example from a Single Subbituminous Coal Seam

Tennille Mares, Tim Moore, Catherine Moore

Petroleum Exploration Society of Australia (PESA)

... samples indicates that both the heterogeneity of coal properties. derivatives of the saturation equation can be determined and then used to scale...

Comparison of Image Logs to Nuclear Magnetic Resonance Logs, #70169 (2014).

Charles H. Smith, Kyle Nelson, Ashely Hall

Search and Discovery.com

... permeability equation. Drilling-induced events are ignored because of the depth of the measurement involved. Contributing reservoir alterations...

Pore-throat characterization in highly porous and permeable sandstones

Bassem S. Nabawy, Yves Geraud, Pierre Rochette, Nicolas Bur

AAPG Bulletin

... from mercury injection tests. The Winland equation, the threshold pressure, the displacement pressure, and Pittman's equation are mostly used...

Computer Modeling a Miocene Carbonate Platform, Mallorca, Spain

Dan W. J. Bosence , Luis Pomar , David A. Waltham , Thomas H. G. Lankester

AAPG Bulletin

... (Hubbard et al., 1990) have a similarly drastic effect on platform architecture (Figure 6B). Platform progradation is predictively halved as the production...

Water and Oil Relative Permeability of Middle Bakken Formation: Experiments and Numerical Modeling

Younki Cho, Ilkay Uzun, Erdinc Eker, Xiaolong Yin, Hossein Kazemi

Unconventional Resources Technology Conference (URTEC)

... endpoints were used as input to a numerical model of the Buckley-Leverett equation which included capillary end effects, to determine saturation...

An experimental study of secondary oil migration in a three-dimensional tilted porous medium

Jianzhao Yan, Xiaorong Luo, Weimin Wang, Renaud Toussaint, Jean Schmittbuhl, Guy Vasseur, Fang Chen, Alan Yu, Likuan Zhang

AAPG Bulletin

... coil for vertebral imaging on low-field MRI systems: Chinese Journal of Magnetic Resonance, v. 25, no. 1, p. 3338, doi:CNKI:SUN:PPXZ.0.2008-01-004.Miao...

Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)

Sina Esmaeili and Gary Frank

Search and Discovery.com

... the earth and be reflected by reflectors (Figure 1). Regardless of the effect of geometrical spreading, transmission losses, an-elastic absorption...

Numerical Modeling of Adsorption and Roughness Effects on Gas Transport in Shale Using the Lattice Boltzmann Method; #42070 (2017)

Yan Zeng, Zhengfu Ning, Yunan Li

Search and Discovery.com

... simulation equation, were proposed and analyzed numerically. c) Effect of rarefaction a) Velocity distribution  The existence of surface roughness...

Abstract: The Impact of Pore Structure and Geometry on Petrophysical and Electrical Properties Estimation for Conventional and Tight Porous Media; #90187 (2014)

Faisal Alreshedan and Apostolos Kantzas

Search and Discovery.com

... permeability in such porous media where K < 0.1 md are costly and time consuming; studying the effect of a certain parameter is difficult due...

Oil Reservoirs

F. B. Plummer

Tulsa Geological Society

... offset. R2 = the radius of the well. This fundamental equation for radial flow indicates that the flow varies directly as the pressure, size...

Dielectric response interpretation of shale rocks with low cation exchange capacity

Jose A. Benavides Arancibia

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the different salinities. The results indicate that the Maxwell-Wagner effect dominates the clay response. A response equation was developed for the Maxwell...

The processing method of ERI data based on irregular topography

Wang Hao, Huang Jianping, Li Zhenchun

International Meeting for Applied Geoscience and Energy (IMAGE)

... resistivity imaging method has always been an important means of near-surface survey methods. However, effect of irregular topography on ERI data...

Seismic investigation of lithological controls on effective stress

Bill Goodway, Evan Mutual, David Cho, David McHarg, David Miller, Lindsay Miller

Unconventional Resources Technology Conference (URTEC)

... of the equality in equation 1, represents the lithostatic loading estimated by integrating density to obtain the vertical stress multiplied by a ratio...

A Novel Approach to Determine Gas Velocity Profile in Entire Knudsen Number Regime for Nanoporous Shale with Various Pore Geometries

Yu Pang, Dian Fan, Shengnan Chen

Unconventional Resources Technology Conference (URTEC)

... crosssectional geometries are obtained by comparing the Navier-Stokes (N-S) equation with second-order slip boundary condition with the proposed UGF model...

Echo phone for direct attenuation indication

Lu Liu, Tong Fei, Fuhao Qin, Yi Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

... features. This method first focuses the surface seismic data back on the seal of the target via the wave-equation redatuming approach. This simulates...