Frequency-dependent reflection characteristics of single thin layer and waveform inversion

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the Zeoppritz equation ignore the tuning effect of thin layers. Because the existence of thin layers will change the AVO type and frequencyvarying...

Roosevelt Hot Springs Geothermal System, Utah--Case Study

Howard P. Ross, Dennis L. Nielson, Joseph N. Moore

AAPG Bulletin

... coil accessory was used for the measurements. The data shown in Table 5 are fully corrected for outcrop surface End_Page 887...

The Effect of Eustatic Sea Level Changes on Stratigraphic Sequences at Atlantic Margins: Resources, Comparative Structure, and Eustatic Changes in Sea Level

Walter C. Pitman III

AAPG Special Volumes

...The Effect of Eustatic Sea Level Changes on Stratigraphic Sequences at Atlantic Margins: Resources, Comparative Structure, and Eustatic Changes...

Resistivity of Brine-Saturated Sands in Relation to Pore Geometry

W. O. Winsauer , H. M. Shearin, Jr. , P. H. Masson , M. Williams

AAPG Bulletin

...., Vol. 1, p. 127. 13. SUNDBERG, K. (1932), "Effect of Impregnating Waters on Electrical Conductivity of Soils and Rocks," Trans. A.I.M.E., Geophysical...

Flow Transformations in Particulate Gravity Currents

Dave Waltham

Journal of Sedimentary Research (SEPM)

... to a transition to turbulence. This paper is concerned with sorting out these questions of cause and effect. These transitions are of much more than purely...

Study on fluid discrimination method based on prestack frequency-dispersion characteristics

Lien Bian, Jun Ming, Yuxiu Wang, Qian Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and fluid identification. Method Forward modeling of viscoelastic wave equation The target of this study is a heavy reservoir, and the viscoelastic...

Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the main equation connecting the input and the output of the chain turns into a system of approximate equations. This approach treats all elements...

Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

... tests reverse-time migration based on finite difference (FD) solution of 2D wave equation for applying on synthetic borehole seismic data generated...

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

...-wave equation algorithm, which we use to produce a synthetic version of prestack, unmigrated, multichannel seismic data. Data generated by the latter...

Better Accuracy from Sidescan Records: The Object-Chord Method

Malcolm James, P. M. Tong

Geological Society of Malaysia (GSM)

... length paid out, or the ship's speed. Towing the fish closer to the seabed will produce features with maximum shadow effect and is desirable where...

Lateral Fluid Flow in a Compacting Sand-Shale Sequence: South Caspian Basin

John D. Bredehoeft , Rashid D. Djevanshir , Kenneth R. Belitz

AAPG Bulletin

... pressuring effect in Gulf Coast: AAPG Bulletin, v. 59, p. 2037-2045. Magara, K., 1976, Water expulsion from elastic sediments during compaction--directions...

Pore Type Characterization and Classification in Carbonate Reservoirs, #41432 (2014).

Sandra Neils Tonietto, Margaret Z. Smoot, Michael Pope

Search and Discovery.com

.... These data are used as input in an equation, and a numerical result gives information about the pore complexity and roughness. Pore connectivity data come...

Gas Permeability Evolution During Production in the Marcellus and Eagle Ford Shales: Coupling Diffusion/Slip-flow, Geomechanics, and Adsorption/Desorption

Bao Jia, Dandan Li, Jyun-Syung Tsau, Reza Barati

Unconventional Resources Technology Conference (URTEC)

... matrix due to the multi-physics affecting fluid flow: the geomechanical effect, slip flow/diffusion and adsorption/desorption. The multi-physics make...

Improved Technique for Determination of Densities and Porosities

H. R. Brankstone , W. B. Gealy , W. O. Smith

AAPG Bulletin

... and grain volumes of a sample are known, the porosity (P) can be calculated from its defining equation, P = (Vb - Vg)/Vb, where Vb and Vg are the bulk...

Permeability Prediction in Chalks; #40506 (2010)

Mohammad M. Alam, Ravi Sharma, Ida L. Fabricius, and Manika Prasad

Search and Discovery.com

...) presented Kozeny’s equation as: (2) Where, Fs is a dimensionless shape factor and  is tortuosity defined as the ratio between actual flow length, la...

New Technologies in the Deepwater Oil Industry, #42197 (2018).

Cleveland M. Jones

Search and Discovery.com

... unpredictable effect on the viability of projects. Up-front and near-term cash flow changes have a bigger effect, since project viability depends...

Estimating Potential for Small Fields in Mature Petroleum Province

John C. Davis , Ted Chang

AAPG Bulletin

.... In effect, the distribution is truncated by monetary considerations; the minimum size of discovery that can be placed into production is called...

Modeling of Non-linear Transport Properties in Low Permeability Samples

Michael T. Myers, Yuan-Yun Lin, L.A. Hathon

Unconventional Resources Technology Conference (URTEC)

... and weaknesses. The necessity of using the full nonlinear flow equation for the interpretation of the data is emphasized. Our implementation of the nonlinear...

The sample boundary effect in the low-frequency measurements of the elastic moduli of rocks

Wenhui Tan, Vassily Mikhaltsevitch, Maxim Lebedev, Stanislav Glubokovskikh, Boris Gurevich

Petroleum Exploration Society of Australia (PESA)

.... æ Kd ç1 Ks è = Kd + e 1-j + Kf Ks ö ÷ ø 2 - Kd K s2 (11) (2) Equation (10) is the modified Gassmann equation that takes into account the effect...

Critical Evaluation of Equations of State for Multicomponent Hydrocarbon Fluids in Organic Rich Shale Reservoirs

Yijia Zhang, Faruk Civan, Deepak Devegowda, Ahmad Jamili, Richard F. Sigal

Unconventional Resources Technology Conference (URTEC)

... produced by the effect of pore wall potentials and the limited number of molecules in nanopores are investigated for liquid-rich shale. These properties...

RTA Assisted Production Forecasting in Shale Reservoir Development

Chigozie Aniemena, Fabian Vera

Unconventional Resources Technology Conference (URTEC)

... become an industry standard production forecasting procedure (equation 1). In offset DCA, the production potential of new well(s) is based on nearby wells...

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... introduce a unique set of processing and imaging challenges for ocean-bottom acquisition, such as the Doppler effect and the time-dependent source...

Shape Entropy and Settling Velocity of Natural Grains

J.P. Le Roux

Journal of Sedimentary Research (SEPM)

..., N.C., 1966, Effect of shape upon the settling velocity of regular convex geometric particles: Journal of Sedimentary Petrology, v. 36, p. 370-376...

Numerical Modeling of Adsorption and Roughness Effects on Gas Transport in Shale Using the Lattice Boltzmann Method

Search and Discovery.com

ABSTRACT: Effect of Organic Matter Type and Thermal Maturity on Gas Adsorption in Shale-Gas Systems; #90122 (2011)

Tongwei Zhang, Geoffrey S. Ellis, and Stephen C. Ruppel

Search and Discovery.com

...ABSTRACT: Effect of Organic Matter Type and Thermal Maturity on Gas Adsorption in Shale-Gas Systems; #90122 (2011) Tongwei Zhang, Geoffrey S. Ellis...