Correlation of the Carbonate Section of the Frasnian Stage of the North of the Stalingrad Area

V. M. Leont’yev

Petroleum Geology: A Digest of Russian Literature

... that inverse movements took place later along faults, as a result of which the Dono-Medveditsk swell developed. The present position of the latter should...

Evidences for Syn-Depositional Tectonism in the Tertiary Boulder Beds of Batu Arang

Mustaffa Kamal Shuib, Abdul Hadi Abd. Rahman

Geological Society of Malaysia (GSM)

... and diffused. In places, inverse grading can be clearly seen. This seem to suggest a more gradual fluctuation in the strength of transporting current...

Quantifying infiltration in a simulated rainfall event using geophysical measurements and an ATS-based flow model

Moses B. Adebayo, Peishi Jang, Xingyuan Chen, Anya M. Hopple, Patrick J. Megonigal, Pin Shuai, Kennedy O. Doro

International Meeting for Applied Geoscience and Energy (IMAGE)

... model and an inverse modelling approach used for the model parameter estimation. Control plot Timelapse ERT Profile Sta$c ERT Profile with unit electrode...

Potassium-Argon Dates as Provenance Indicators for the Dunvegan Formation

J. M. Tater

CSPG Bulletin

... the Beaver River area (240 m.y.). The lower and upper parts of the Dunvegan Formation have returned dates in an inverse order. It is interesting to note...

Finite Difference Modeling: Part II: How to clean numeric time dispersion

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... wavefield at frequency . Finally, an inverse Fourier transform gives the temporally dispersionfree wavefield in time. Digital Filtering Mittet (2018...

Abstract: Iron and its Influence on Ash Fusion Behaviour in the Subbituminous Kupakupa Seam, New Zealand

T. A. Moore, D. A. Fergusson

The Society for Organic Petrology (TSOP)

... ash content, and supports an inverse relationship between ash yield and %Fe2O3. There is also an association between %Fe2O3 with coal type: more banded...

Mapping Sand Fairways and Salt Structures Using Modern Techniques Applied to South Louisiana Gravity Data [Abstract]

Shawn T. Mulcahy,, Paul N. Lawless

New Orleans Geological Society

... into areas where there is less data or geologic information. We applied a series of frequency-domain filters that enhance certain aspects of the input...

Extended Abstract: Borehole Image Log Interpretation: Making the Most of Your Data and Understanding its Limits; An Illustration Using Shallow and Deep Marine, Fluvial, and Carbonate Depositional Environments

A. A. Bal, K. A. A. van Noord, P. V. Grech, J. D. Prosser

Petroleum Exploration Society of Australia (PESA)

... wells. In this example, the IFI is akin to the bio-index, the inverse of which mirrors the wave energy within the depositional system. When the wave...

Other Carbonate Grains: Ooids and Pisolites

AAPG Special Volumes

... textures, interlocking grains, and inverse grading of pisolite sizes within a single bed. 0.64 mm. (Middle). Lo. Pennsylvanian Hale Fm. Oklahoma...

ABSTRACT: Vitrinite Reflectance of Shales Hosting Pb-Zn-Cu Mineralization in Western Cuba: Evidence for Syngenetic Mineralization

J. B. Maynard, E. R. Elswick, J. C. Hower

The Society for Organic Petrology (TSOP)

... of Cincinnati. A plot of C vs S (Figure 1) shows the inverse relationship found for other sedex-type Pb-Zn deposits (Elswick, 1998). This pattern contrasts...

Issues and Approaches for Hydrocarbon Systems Analysis in Tertiary Deltas … What We Have Learned: Examples from Deepwater Nigeria

L. L. Summa, S. A. Barboza, K. M. Bohacs, P. J. Mankiewicz, J. E. Neal

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of fluids (Figure 1). Basin Formation Basin Fill Rock/Fluid Evolution Geodynamics Paleoclimate Paleogeography Plate Kinematics Calibration, Inverse...

Estimation of shear wave velocity based on adaptive step size algorithm

Yipeng Gu, Jiajia Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... was established. Next, the adaptive step size stochastic algorithm and rock physics model are used in shear wave estimation to inverse elastic...

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... Inversion (ES-FWI) is a promising method to mitigate cycle-skipping resulting from crude initial models. Relaxing the wave equation constraint...

Drilled Sidewall Cores Aid in Interpretation of the Tertiary Wasatch Formation, Natural Buttes Field, Utah

Michael E. Shade, Diana K.T. Hansen

Utah Geological Association

... data as an input to “inverse” log evaluation programs such as ULTRA* (Universal Logging Tool Response Analysis), provides a powerful method...

Extended Abstract: Natural Gas from Coal Seams - Activities in the Northern Bowen Basin

P. J. O'Neill, R. M. Bell, S. R. Reeves

Petroleum Exploration Society of Australia (PESA)

... a gas content Permeabilities for four wells were measured using slug tests. of 470 Slug tests are merely the inverse of drillstem tests where...

Morphogenetic Classification of Oil-Gas-Bearing Tectonic Structures of the Volga-Ural Region

V. A. Klubov

Petroleum Geology: A Digest of Russian Literature

... of the cover. Discordant structures may be inverse reflections where a negative form of the basement corresponds to a positive form in all stages of the cover...

Seismic Foldout: Potential Prospectivity Identified in the Orphan Basin

Yermek Balabekov, Yang Yang, Sriram Arasanipalai, PGS Ultima

GEO ExPro Magazine

... velocity model and minimal pre-processed data is required. A robust inverse-scattering image condition can efficiently separate the velocity...

Downhole Geological Technology: Evolution, Breakthroughs and Emerging Solutions to Assessing Discoveries and Finding New Oil in and Around Old Fields

Roy D. Nurmi

Houston Geological Society Bulletin

... sizes; the inverse measurement of grain size. The presence of effective pores can be revealed in shales that would otherwise prevent formation evaluation...

Iso-Con Map for Ordovician Waters: GEOLOGICAL NOTES

Robert H. Dott , Roy L. Ginter

AAPG Bulletin

... suggest a definite relationship between size of outcrop and concentration. The rate of increase in concentration down-dip seems to be in inverse...

De-risking Gas Saturation

Said Amiri Besheli, Panos Doulgeris

GEO ExPro Magazine

... earth model with migrated seismic gathers as input, this allows a very non-linear inverse problem to be solved efficiently with modest modern...

Uncertainty Analysis in Infill Wells Using Single Match Model and Production Data

Kelik Rudi Suharya, Jati Priyantoro, Savitri Mutiah Poerboyo, Benny Sidik, Jafet

Indonesian Petroleum Association

... is an inverse problem, where different models can lead to the same (known) outputs of oil, gas and water rates and reservoir pressures. So we always...

Interpolating High-Resolution Well Log Volume Using Seismic Dip Vectors and Control Grids

Yingwei Yu

Unconventional Resources Technology Conference (URTEC)

... the dip vectors from the seismic volume with an array of log-Gabor filters, and combine them with the human operator’s high-level URTeC 2435701 2...

Problem of Study of the Internal Structure and Relief of the Surface of the Basement

A. G. Salikhov

Petroleum Geology: A Digest of Russian Literature

... with field surveying directed toward refining the source data, we have developed a nomographic method for solution of the inverse problem...

Utilising potential field modelling to better inform on the 3D structural architecture in regions of excellent structural control

Robin Armit, Teagan Blaikie, Peter Betts, Laurent Ailleres

Petroleum Exploration Society of Australia (PESA)

... utilising the intrinsic 3D information available from potentialfield data. Insights from gravity inverse modelling on the subsurface architecture...

Deriving Subsurface Insight from Seismic

Gregory Partyka

Indonesian Petroleum Association

.... Combining forward modeling (i.e. modeling seismic expressions of plausible geological scenarios) and inverse problemsolving (i.e. analysis and geological...