Interpretation and development of top-surface grid in subsurface ground profile using Inverse Distance Weighting (IDW) method for twin tunnel project in Kenny Hill Formation

Mohd Faiz Mohammad Zaki, Mohd Ashraf Mohamad Ismail, Darvintharen Govindasamy, Mohd Hazreek Zainalabidin

Geological Society of Malaysia (GSM)

...Interpretation and development of top-surface grid in subsurface ground profile using Inverse Distance Weighting (IDW) method for twin tunnel project...

GeoConvention 2014; - Abstracts, #90224 (2015).

Search and Discovery.com

Novel Coalbed Methane Reservoir Permeability and Reserve Evaluation Method Based on Flowing Material Balance Equation at Dewatering Stage Considering Permeability Variation

Juntai Shi, Jiayi Wu, Tao Zhang, Zheng Sun, Yanran Jia, Yexin Fang, Xiangfang Li

Unconventional Resources Technology Conference (URTEC)

... of reservoirs is different, it is complicated and difficult to accurately predict this parameter, which will directly affect the calculation results...

Redox dynamics and metal cycling in the carbonate-buffered sediment–water interface of the ferruginous and sulfatic Lake Medard, Czech Republic

Daniel A. Petrash, Astolfo Valero, Karelys Umbría-Salinas, Christophe Thomazo, Travis B. Meador, František Laufek, James J. Valdés, Vladislav Chrastný, Kurt O. Konhauser

Journal of Sedimentary Research (SEPM)

...-reaction, one-dimensional transport, and inverse geochemical calculation: U.S. Geological Survey, Water-Resources Investigations Report 99-4259, 312 p...

A power-law fault model for Bayesian network geosteering in complex geology

Hugh Winkler

International Meeting for Applied Geoscience and Energy (IMAGE)

... information in the geosteering inverse problem. For two faulted examples in the Marcellus shale, we retrospectively compared our computed geosteering...

Distribution of Some Trace Elements in Black Sea and Their Flux Between Dissolved and Particulate Phases: Water

P. G. Brewer , D. W. Spencer

AAPG Special Volumes

... and immediately filtered through a pair of pre-weighed 0.45-µ Millipore HA filters using nitrogen gas pressure, thus isolating the sample from oxidation...

Abstract: Interferometric Assessment of Clamping Quality of Borehole Geophones; #90224 (2015)

Yoones Vaezi and Mirko van der Baan

Search and Discovery.com

... method is adopted for calculation of CCFs for which a sliding time window length and percent of overlap between successive windows should be defined...

Using and Improving Surface Models Built by Computer: Part 8. Integrated Computer Methods

David E. Hamilton

AAPG Special Volumes

... no time exists for making corrections. Apply Filters to the Model A common problem with computer-generated surface models are surface structures...

Introduction: Chapter I

George B. Asquith

AAPG Special Volumes

... include: (1) modification of cementation exponent m; (2) calculation of moveable hydrocarbon index (Sw/Sxo); (3) calculation of water saturation...

Application of petroleum systems analysis to resource assessments

Lukasz Krawczynski, Martin Neumaier

International Meeting for Applied Geoscience and Energy (IMAGE)

... emphasise an inverse relationship between column height and liquid phase (Fig.4). In dew point systems, oil only traps are underfilled to various degrees...

The Insensitivity of Thermal Diffusivity of Natural Sediments to Saturation

Ayman Ezdini, James Griffith, Nick Lange, Soroush Tehrani, Hamad Roshan, Mohammad Sarmadivaleh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... diffusivity of soils but an inverse relationship exists between diffusivity and clay content. Furthermore, the variation in grain size effect on diffusivity...

The Application of Poisson Impedance Inversion for Sandstone Reservoir Characterization in the Lower Talang Akar Formation, Case Study Melandong-West Java, #41080 (2012)

Angga Direzza, I Komang Andika Aris Permana

Search and Discovery.com

... impedance and can be shown as PI =AI – cSI, where “c” is rotation parameter of impedances data or inverse of crossplot trending lithology and fluid...

Frequency-dependent seismic anomalies resulting from anisotropic permeabilities in hydrocarbon-bearing fractured porous rocks

Xuehua Chen, Xiaomin Jiang, Shengyi Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the observed coordinate system (x1, x2, x3). Then, the equivalent permeability tensor and subsequent calculation of anisotropic permeability on different...

Measuring seasonal velocity variations on an urban DAS array

Jihyun Yang, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... at each station prior to strainrate calculation, which effectively eliminates the unwanted DC component offset. Figure 2b shows a strain-rate data...

ABSTRACT: Three-Dimensional Calculation and Visualization of Fault Gauge Ratio, by K. Hoffman and J. Neave; #90908 (2000)

Search and Discovery.com

An Efficient Iterative Algorithm for Hydraulic Fracture Geometry Characterization with Distributed Strain Data

Yongzan Liu, Lijun Liu, Tiankui Guo, Ge Jin

Unconventional Resources Technology Conference (URTEC)

... the inverse problem. Strain Calculation Model. Distributed fiber-optic strain measurements at each sensing point represent the average strain over a specific...

Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)

Jiwu Lin, Sylvestre Charles, Josef Heim

Search and Discovery.com

... stack of the same line as in Figure 1 shows a we used a de-migrated comparison of stacks with conventional statics calculation (left) and new PSTM stack...

Analytic directional derivative based gradient structure-tensor-based dip to detect seismic faults

Gagandeep Singh, Rahul Mahadik, William K. Mohanty, Aurobinda Routray

International Meeting for Applied Geoscience and Energy (IMAGE)

..., William K. Mohanty, Aurobinda Routray, Indian Institute of Technology, Kharagpur, India SUMMARY Seismic dip calculation is a technique...

Reversing the Decline - What Contributes to Quality Assessment for Enhanced Oil Recovery Projects?

Eugene E. Wadleigh

Wyoming Geological Association

... of the inverse bond number. The bond number is a dimensionless ratio of capillary and fluid density forces. The bond number can be used to characterize...

Traction-Carpet Stratification in Turbidites-Fact or Fiction?

Richard N. Hiscott

Journal of Sedimentary Research (SEPM)

... of Science Transactions, v. 42, p. 57-96. HAND, B.M., AND ELLISON, L.B., 1985, Inverse grading in density-current deposits(abstract): SEPM Mid-Year Meeting...

Volume Fractions of Lithologic Units Deposited per Geologic Epoch in the Cenozoic, Keathley Canyon and Walker Ridge, Deepwater Gulf of Mexico: Part 1„Sand, Shale, and Siltstone

Sharon Cornelius, Peter A. Emmet

GCAGS Journal

... continuously decreased while during the same time period, the volume fraction of shale has increased. Sand volume fractions appear to have an inverse...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... structure. This may lead to incorrect static correction and inaccurate raypath prediction, and by extension inaccurate traveltime calculation. Small...

Sparse time-frequency representation based on Unet with domain adaptation

Yuxin Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... as a typical inverse problem. Nevertheless, sparse STFT suffers from the low computational efficiency and the parameter selection. In this paper, we...

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

...): a. The measurement of differences in arrival time with shot-to-geophone distance (offset) allows the calculation of seismic velocities...

Regional stratigraphy, elemental chemostratigraphy, and organic richness of the Niobrara Member of the Mancos Shale, Piceance Basin, Colorado

Aya El Attar, and Matthew J. Pranter

AAPG Bulletin

... filters and 45 sec on the light-filter setting (105 sec total counting time); for the soils analysis mode (used to detect elements typically associated...