Using recursive inversion as input for gross-rock volume extraction from lithology prediction volumes: How bad can it be?

James Shadlow

Petroleum Exploration Society of Australia (PESA)

... inversion is defined (Russell, 1988) using the following equation: 𝐴𝐼#$% = 𝐴𝐼 ' 1 + 𝑟# , 1 − 𝑟# (1) where ri is the reflectivity co-efficient...

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the skull and brain issue will cause strong elastic effect, which cannot be fully explained by the scalar wave equation. Therefore, the proposed method...

Transformation of Weight Frequency and Number Frequency Data in Size Distribution Studies of Clastic Sediments

Basanta K. Sahu

Journal of Sedimentary Research (SEPM)

...) particle. The weight of this amount of material (W1) can be obtained as, [EQUATION (1)] where rj is such that r1...

Clays with Abnormal Interstitial Fluid Pressures

Richard E. Chapman

AAPG Bulletin

...) is reexpressed. [EQUATION] in which the ratio (1 - ^lgr)/(1 - ^lgre) is a dimensionless measure of the expulsion of fluids from the formation. Zones...

Chlorine Isotope Distribution in Formation Waters, Texas and Louisiana: GEOLOGIC NOTE

Ronald S. Kaufmann , Austin Long , Darcy J. Campbell

AAPG Bulletin

... in interpreting chloride geochemistry in this region. Bartholomew, R. M., F. Brown, and M. Lounsbury, 1954, Chlorine isotope effect in reactions of tert...

The Impact of Water Salinity/Surfactant on Spontaneous Imbibition through Capillarity and Osmosis for Unconventional IOR

Xiaopeng Li, Tadesse W. Teklu, Hazim Abass, Qi Cui

Unconventional Resources Technology Conference (URTEC)

... often exhibit osmosis effect during water imbibition. Thus, besides capillary pressure, an osmotic term must be added in the water movement equation...

Gravity in Southeastern Virginia

C. H. Swick

AAPG Bulletin

... the anomaly. To obtain the isostatic anomalies two additional corrections were applied, one to take account of the positive effect of all visible...

A Stochastic Anisotropic Coal Permeability Model Using Mercury Intrusion Porosimetry, MIP and Stress-Strain Measurements

Syed Shabbar Raza, Victor Rudolph, Tom Rufford, Zhongwei Chen

Unconventional Resources Technology Conference (URTEC)

... by the idealised cartoon in Figure 2 may be applied to calculate the permeability (k) of the coal using Equation 1, Equation 1 4 URTEC-198260-MS Figure 2...

Permian glacial paleo-valley identification and characterization using geometrical attributes and 2D forward modelling

Leticia Itzel Flores-Sanchez, Michael LeStrat, Robert H. Richards

International Meeting for Applied Geoscience and Energy (IMAGE)

...; 𝐻 𝑣𝑎𝑙𝑙𝑒𝑦 is the thickness of the paleo-valley. The equation of the pull-up effect highlights the importance of understanding: Another important aspect of the 2D forward...

Effect of Back Pressure on Gel Pack Permeability during Conformance Control Treatment; #41625 (2015)

Mahmoud Elsharifi

Search and Discovery.com

...Effect of Back Pressure on Gel Pack Permeability during Conformance Control Treatment; #41625 (2015) Mahmoud Elsharifi Effect of Back Pressure on Gel...

Impact of Non-Linear Transport Properties on Low Permeability Measurements; #70299 (2017)

Yuan-Yun Lin, Michael T. Myers

Search and Discovery.com

... and weaknesses. The necessity of using the full nonlinear flow equation for the interpretation of the data is also discussed. Five different protocols...

Degree of Advancement of Petroleum Exploration in United States

M. King Hubbert

AAPG Special Volumes

... an element of time t, the quantity Qp of oil produced is given by [EQUATION (1)] and is represented graphically by the area of base t and height dQp/dt...

3D Seismic Acquisition Design in a Volcanic Environment Using Simple 2D Dynamic and 3D Static Seismic Acquisition Method Analysis in the North West Java Basin

Adib Banuboro, Gilang Wiranda, Agung Adi Susanto, Alpius Dwi Guntara, Dwa Desa W, Firman Syaifuddin

Indonesian Petroleum Association

... characteristics (Dancer,2001). The effect of that heterogenity, volcanic rock layer has a much higher velocity than the sedimentary rock below...

Unconventional Versus Conventional Reservoir Stimulation: What Are the Differences and the Challenges?

Jennifer L. Miskimins

West Texas Geological Society

.... Design Considerations One of the main hydraulic fracture design considerations is dimensionless conductivity, FCD, shown in Equation 1, where, kf...

A Comparison of Two Methods for Converting Grain Counts to Weight Percent Composition

R. C. Kellagher, Francis J. Flanagan

Journal of Sedimentary Research (SEPM)

... accurate results. Grout (1937) determined the effect of fragment shape in a test in which sized garnet and biotite were compared by weight percent...

ABSTRACT: Fluorometric Analysis Relationships with Reflectance, Weathering, and Thermoplastic Behavior

Jeffrey C. Quick

The Society for Organic Petrology (TSOP)

... correlated. Above 1.1 % reflectance no correlations were observed. From 0.5 to 1.1 % reflectance the perturbing effect of vitrinite composition...

Comparison of the Descriptors of Sediment Grain-Size Distributions: DISCUSSION

Basanta K. Sahu

Journal of Sedimentary Research (SEPM)

... then be obtained by using equation 1. For example, if the minimum size of sieve aperture through which all grains of tile 40 gm. sample pass be 2 mm, n...

Oscillation Sand Ripples Generated by Laboratory Apparatus

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

...-formed ripple marks, depth of water, and the size of the generating waves: Jour. Sed. Petrology, v. 12, p. 31-35. EVANS, O. F., 1943, Effect of change...

Spontaneous Fission Xenon in Natural Gases

G. J. Wasserburg , E. Mazor

AAPG Special Volumes

..., so that induced fission is negligible, the amount of Xe136 produced by spontaneous fission of U238 is [EQUATION] where F is the fraction of decays...

An Improved Method for Calculating the Standard Deviation and Variance of Paleocurrent Data: RESEARCH METHOD PAPER

Robert G. F. Krause , Theresa A. M. Geijer

Journal of Sedimentary Research (SEPM)

... in Biology: London, Academic Press Inc., 371 p. CHAYES, F., 1954, Effect of change of origin on mean and variance of two-dimensional fabrics: American...

Correlating Versus Inverting Vibroseis Records: Recovering What You Put into the Ground; #41577 (2015)

Glen Larsen, Paul Hewitt, Art Siewert

Search and Discovery.com

...) based on work of Allen et al. (1998). In effect, spiking the trace reduces it to a phase only operator. The usual vibroseis convolutional model is: x...

Stochastic Apparent Permeability Model of Shale Oil Considering Geological Control

Jilong Xu, Yuliang Su, Wendong Wang, Han Wang

Unconventional Resources Technology Conference (URTEC)

... and organic matter exist in shale reservoir, the slip effect and multi-layer sticking effect make the flow mechanism of oil in shale more complicated...

Carbonate Reservoir Characterization Using the Cementation Factor: A Case Study of Little Cedar Creek Field, Onshore Alabama

Qifei Huang, Yuefeng Sun

GCAGS Journal

... for fluid detection may fail due to the pore structure effect (Sun, 2004). Sun (2004) found that AVO technology is better in fluid detection...

Analysis of Scale Exaggeration on Seismic Profiles (1)

DONALD S. STONE

AAPG Bulletin

... interpretation: Society of Exploration Geophysicists Monograph 2, 50 p. Uren, N. F., G. H. F. Gardner, and J. A. McDonald, 1990, The migrator's equation...

AAPG GEO 2010 Middle East, Geoscience Conference & Exhibition, Innovative Geoscience Solutions – Meeting Hydrocarbon Demand in Changing Times, March 7-10, 2010 – Manama, Bahrain, #90105 (2010)

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