Spatially varying Chi volumes: A study in offshore Australia on background trend calculation from the Shuey two-term approximation

Hayden Powers, Noah R. Vento

International Meeting for Applied Geoscience and Energy (IMAGE)

... be accomplished with differing degrees of accuracy. The Zoeppritz equations are fundamentally the most accurate but are often not used for interpretation due...

Abstract: Continuous In-Situ Evaluation of Coal Resources and Acid Mine Drainage Potential with Wireline Geochemical Logging, by E. A. Clayton, R. E. Lewis, C. B. Cecil, F. Dulong, S. L. Herron, and J. A. Grau; #90930 (1998).

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Experimental Deformation of Sedimentary Rocks Under Confining Pressure: Tests at Room Temperature on Dry Samples

John Handin , Rex V. Hager, Jr.

AAPG Bulletin

... strength and ductility as functions of confining pressure are given for each rock, and some generalizations are made for each rock type investigated...

Know Before You Go!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... analysis, well logs, check shots, or even best guesses. On the modeling side, a technique called wavefront construction was used in this study. In other...

Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma

Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale

Unconventional Resources Technology Conference (URTEC)

... gather preconditioning. A density volume estimate was calibrated to well data, accounting for different geological formations, to decouple P- and S-Wave...

Numerical Models of Fluid Flow in Carbonate Platforms: Implications for Dolomitization

Jonathan Kaufman

Journal of Sedimentary Research (SEPM)

... of the derivation of the fluid flow equations used in BASIN2 and the solution techniques to the differential equations is given by Bethke (1985), Harrison...

A Modified Approach to Estimating Coal and Coal Gas Resources: Example from the Sand Wash Basin, Colorado

Andrew R. Scott , Naijiang Zhou , Jeffrey R. Levine

AAPG Bulletin

..., ash yield, and gas content. The basic equations used to calculate coal tonnage and coal gas are as follows: [Equation (1)] [Equation (2)] where Ton...

Quantitative Modeling of Secondary Migration: Understanding the Origin of Natural Gas Charge of the Haynesville Formation in the Sabine Uplift Area of Louisiana and Texas

Lauri A. Burke

GCAGS Journal

... source rocks include the Smackover, Haynesville, and Bossier Formations. Thermodynamic equations of state were used to determine thermophysical properties...

Multiphase Production Data Analysis for Shale and Tight Reservoirs Using the Diffusive Diagnostic Function

Yanbin Zhang, Changdong Yang, Jincong He, Zhenzhen Wang, Jiang Xie, Xian-Huan Wen

Unconventional Resources Technology Conference (URTEC)

...-physics reservoir simulation has been used in the past in these situations, but has faced challenges such as model complexity, water initialization...

Estimation of the Permeability of an Unconventional Formation Core by History-Matching the Saturation with CO2

Zeliang Chen, Xinglin Wang, Guoqing Jian, Leilei Zhang, Pengfei Dong, Philip M. Singer, George J. Hirasaki

Unconventional Resources Technology Conference (URTEC)

... approach is the standard steady-state method, which is used to validate the transient-pressure method. Note that both methods consist of 1-D core...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

.... Figure 8. The Real Earth – Very Complex The First Type of Approximation The mathematical model used to describe the real earth is the scalar wave...

Lateral Correlation and Interpolation of Logs: Chapter 6

John H. Doveton

AAPG Special Volumes

... of this matrix construct will solve the complete range of polynomial functions. At the lowest end, a first-order polynomial specifies a straight line...

Consonance Logging: Old Concept - New Solutions

Mario J.C. Petricola

Indonesian Petroleum Association

... the density-neutron combination will be too low, because most, if not all, equations used regularly in the industry, assume that both tools have seen the same...

Agile Framework for Capital Projects

Polly Mahapatra, Paris Shahriari

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of planning and execution that can sometimes hinder adaptability and a quick response to change. Considering the potential that Agile principles can...

An Organic Maturation Study of the Hod-I Borehole (Pannonian Basin): Chapter 21

Cs. Sajgo, Z. A. Horvath, J. Lefler

AAPG Special Volumes

...() is the geothermal gradient as a function of time. By solving the system of equations, the functions h() and g^prime() can be determined. Although theoretically...

Barrier Island Shoreline Systems

Thomas F. Moslow

AAPG Special Volumes

... island shoreline models. These studies have documented the effects of wave energy, tidal range and storms in determining sedimentary sequences...

Depositional Mechanisms from the Size Analysis of Clastic Sediments

Basanta K. Sahu

Journal of Sedimentary Research (SEPM)

... are available for discrimination, but the discriminant functions can be used even for single samples. Presently, it is possible to distinguish between aeolian...

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

... spectrum and not the noise. In order to maximise the whitening of the signal spectrum, a multi-dimensional noise attenuation approach is used. Several...

Hydrocarbon Production During Underbalanced Drilling … A Mathematical Model to Predict Well Productivity

Samuel Zulkhifly Sinaga, Bonar Tua Halomoan Marbun

Indonesian Petroleum Association

.... lower erosion impact, and 4. lower potential for downhole fires. The most commonly used liquid phase is water or crude oil (Table 5). Bottomhole pressure...

Using Machine Learning and Data Analytics to Improve Type Curve Generation and Optimize Field Development Planning in Argentina's Vaca Muerta Formation

David Delgado, Charles Kosa, Peter Zannitto

Unconventional Resources Technology Conference (URTEC)

... in various blocks and landing zones. We document a workflow used to assign log and petrophysical properties when no basin-wide static model is present. Key...

The Snorre Field Pilot

Mark Thompson, Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... to conventional streamer surveys. Snorre - large IOR-potential GeoExPro Vol. 6, No. 4, September 2009 Copyright © 2018 Geopublishing Limited The first...

Reservoir Characterization and Preliminary Modeling of Deltaic Facies, Lower Wilcox, Concordia Parish, Louisiana

Philip Schenewerk , Donald Goddard , John Echols

GCAGS Transactions

... volume test (pvt) data, and reservoir pressure data are required. The MBE can be used to solve for original oil in place, gas-cap size, and water influx...

Abstract: Sub-basaltic Imaging Using Converted Waves - A Pilot Study from the North Atlantic Margin, by X-Y. Li, P. Hanssen, and C. Macbeth; #90923 (1999)

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Practical and efficient three-dimensional structural restoration using an adaptation of the GeoChron model

Peter J. Lovely, Stanislas N. Jayr, and Donald A. Medwedeff

AAPG Bulletin

... implemented in SKUA using a tetrahedral mesh to solve the partial differential equations and to store continuous and discontinuous 3-D fields...

True Hybrid 3D

Jeroen Hoogeveen, Kristen Berli, Lars Ivar Leivestad, Tor Åkermoen, Geoex MCG

GEO ExPro Magazine

... the FWI velocities • A blended streamer/OBN product • A shear wave product This means there is still more potential in the acquired data by also utilising...