Influence of Organic Matter in Soils on Radar-Wave Reflection: Sedimentological Implications

Remke L. van Dam,, Elmer H. van den Berg, Sytze van Heteren, C. Kasse, Jeroen A.M. Kenter, Koos Groen

Journal of Sedimentary Research (SEPM)

...-wave reflection by organic matter is needed because GPR is used to trace positions and characteristics of soils in the subsurface for a number...

Tidal Marshes: The Marginal Landscapes of San Francisco Bay

Karl Malamud-Roam, Stuart Siegel, Michelle Goman, Lisa Wells

Pacific Section SEPM

... functioning rather than by their historical or potential functions. While the Cowardin classification was essential to the NWI, it failed in the basic task...

Effect of Faulting on Fluid Flow in Porous Sandstones: Petrophysical Properties

Marco Antonellini, Atilla Aydin

AAPG Bulletin

... and slip planes can substantially modify fluid flow properties of a reservoir and have potential sealing capabilities with respect to a nonwetting phase...

Estimations of Porosity and Permeability Model on Carbonate Reservoir Using Cross-Plot Analysis and Acoustic Impedance Inversion in "Gandhi" Field, Gumai Carbonate Formation, Sunda Basin

Sandy Indra Purwagandhi, Indah Islamiaty, Sismanto, Arif Yondo

Indonesian Petroleum Association

..., it can be seen that the exponential equations generated in each well are different, however the equation used for the permeability volume estimation...

Abstract: Digital Log Data to Mechanical Rock Properties for Stimulation Design; #90224 (2015)

E. R. (Ross) Crain and Dorian Holgate

Search and Discovery.com

... errors amplify to become surprisingly large due to the inherent nature of the equations that are used to obtain rock mechanical properties. To reduce...

Resource Assessment Status Report on Geothermal Energy within Deep Sedimentary Basins in Texas

Richard J. Erdlac Jr., Linda Armour, Robert Lee, Susan Snyder, Mike Sorensen, Mike Matteucci, Jordan Horton

GCAGS Transactions

...). To compare the potential Texas geothermal value to O&G production, which decreases each year, three models were used to define possible electrical...

Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)

Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek

Search and Discovery.com

... shear-wave data can be used in shale-reservoir characterization. We applied a newly developed surface-wave analysis, modeling, and inversion method...

ABSTRACT: Acoustic Technology for Monitoring Hydrate Phase-Changes; #90007 (2002)

David M. Weinberg, Dennis C. Kunerth, Clark L. Scott

Search and Discovery.com

... be dealt concerns the potential for hazards associated with hydrate phase changes induced by drilling and production operations. Compressional (P) wave...

A geometrically based method for predicting stress-induced fracture aperture and flow in discrete fracture networks

Kevin Bisdom, Giovanni Bertotti, and Hamidreza M. Nick

AAPG Bulletin

...) is used in equations 2 and 7, and ugeom is used in equation 6. Using these functions and a constant far-field σ1 and angle α for each fracture block...

A review of ice and tide observations in the Bay of Fundy

Con Desplanque, David J. Mossman

Atlantic Geology

... the estuarine tidal wave is reshaped over its course, to form bores, and varies in its sediment-carrying and erosional capacity as a result of changing water...

A 600-Million-Year Carbonate Clumped-Isotope Record from the Sultanate of Oman

Kristin D. Bergmann, Said A.K. Al Balushi, Tyler J. Mackey, John P. Grotzinger, John M. Eiler

Journal of Sedimentary Research (SEPM)

... the potential to help decode the significance of the variability of both physical and geochemical compositions of ancient carbonate rocks. This study utilizes...

Multivariate fracture intensity prediction: Application to Oil Mountain anticline, Wyoming

Jason A. McLennan, Patricia F. Allwardt, Peter H. Hennings, Helen E. Farrell

AAPG Bulletin

...) probability distribution functions (pdfs) are shown. A normal score color bar from 2.5 (blue) to +2.5 (red) is used for the pdf means, and a color bar from 0...

Rapid Field-Scale Well Spacing Optimization in Tight and Shale Oil Reservoirs Using Fast Marching Method

Atsushi Iino, Tsubasa Onishi, Feyi Olalotiti-Lawal, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... equations (8) through (10) can be readily solved utilizing the DTOF contours as simulation grid blocks. Since we solve 1-D equations instead of 3D...

Probabilistic Modelling of Discontinuous Reservoirs

M. C. Budding, K. M. Eastwood, J. C. Herweijer, S. E. Livera, A. H. M. Paardekam, J. M. M. Regtien

Indonesian Petroleum Association

... realisation of the model. The advantage of such an approach is that it will generate a range of potential recoveries that can be be used in economic analyses...

Geomechanical Tools to Bolster Social License: Quantifying the Mechanical Effects of Faults on Induced Seismicity Potential

Nicholas M. Umholtz, Ahmed Ouenes

Unconventional Resources Technology Conference (URTEC)

... to the background grid, to solve these equations. Once the equations are solved, the grid-based solution is used to update all particle properties...

Geological Understanding and the Changing Environment

Victor R. Baker

GCAGS Transactions

... is to global habitability, much more important is the approach used by geologists to understand nature. Almost alone among disciplines, geology has...

CSPG/CSEG/CWLS GeoConvention 2013, May 6-12, 2013 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90187 (2014).

Search and Discovery.com

Effect of the Initial Water Saturation on the Elastic Properties of

Marisa Rydzy, Michael Batzle, Keith Hester, Jim Stevens, James Howard

Unconventional Resources Technology Conference (URTEC)

... velocities were measured in conjunction with MRI in hydrate-bearing Ottawa Sand F110 during hydrate formation and dissociation. P- and s-wave velocities...

An Improved Method for GOR Forecasting in Unconventionals

Hardikkumar Zalavadia, Utkarsh Sinha, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

.... The proposed technique used can extrapolate the average reservoir pressure in the future to allow forecasting GOR trends with reasonable accuracy...

Oil, Gas and New Energy: How to Transform Holistically for a More Efficient and Sustainable Future

Scott Hastie, Tim Wall

Australian Petroleum Production & Exploration Association (APPEA) Journal

... a culture where personnel can thrive. This has adversely affected the industry’s reputation as an attractive and reliable employer. The current wave...

Venture Gas Field, Offshore Nova Scotia: Case Study of Overpressuring in Region of Low Sedimentation Rate

Brett S. Mudford , Melvyn E. Best

AAPG Bulletin

... of about 0.8%. Rock-Eval pyrolysis, used to determine, among other things, source-rock potential for hydrocarbon generation, was carried out on samples...

Fuzzy Logic and Digital Concept for Estimation of Oil and Gas Development

Candra Nugraha, Kamilah Jamil, Yusuf Theo Lebang

Indonesian Petroleum Association

... statistical approach, nonlinear equations and genetic algorithm programming is used to model the cost. Fuzzy Logic resembles the human decision-making...

Integrated rock classification in carbonate formations based on elastic and petrophysical properties estimated from conventional well logs

Mehrnoosh Saneifar, Roy Conte, Clotilde Chen Valdes, Zoya Heidari, and Michael C. Pope

AAPG Bulletin

...–227.Wyllie, M. R. J., A. R. Gregory, and L. W. Gardner, 1956, Elastic wave velocities in heterogeneous and porous media: Geophysics, v. 21, no. 1, p. 41–70...

Principles of Geochemical Prospect Appraisal

Andrew S. Mackenzie, Tom M. Quigley

AAPG Bulletin

... EQUATIONS All calculations are performed in standard (S.I.) units. Conversion factors for oil-field units are given in Table 1. A list of symbols used...

Can Seismic Inversion Be Used for Geomechanics? A Casing Deformation Example

Jeremy J. Meyer, Jeremy Gallop, Alvin Chen, Scott Reynolds, Scott Mildren

Unconventional Resources Technology Conference (URTEC)

... to obtain the required elastic properties to build a geomechanical model using the poro-elastic equations (Plumb et. al., 2000), which can in turn be used...