Numerical modeling of low-frequency distributed acoustic sensing signals for mixed-mode fracture activation

Chaoyi Wang, David W. Eaton, Yuanyuan Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... of 0.25. The coordinate system is selected so that the maximum horizontal stress (𝑆ℎ!$% ) is parallel to the x-axis. Two model scenarios are considered...

Representation of Bed Configurations in Depth-Velocity-Size Diagrams

John B. Southard

Journal of Sedimentary Research (SEPM)

...., AND ALBERTSON, M. L., 1961, Flume studies using medium sand (0.45 mm): U.S. Geol. Surv. Water-Supply Paper 1498-A, 76 p. SIMONS, D. B., RICHARDSON, E. V...

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)

... in the rectangular coordinate system, and then the slope and y-intercept of the straight line are continuously adjusted. The results are shown in Figure 8a...

Analytical Approach for Multivariate Exploration Planning via Secondary Migration Modelling

Amin Shokrollahi, Sara Borazjani, Syeda Sara Mobasher, Ulrike Schacht, Khalid Amrouch, Pavel Bedrikovetsky

Australian Petroleum Production & Exploration Association (APPEA) Journal

... in the system increases over time as formulated in Eqn B9. Using the self-similar method and applying conditions (Eqns B1 and B9) results in the semi...

Improving Wellbore Placement Accuracy Using Stratigraphic Misfit Heatmaps

Timothy Gee, Stefan Maus, Alexander M. Mitkus, Kenneth McCarthy, David M. Velozzi, Rocky Mottahedeh

Unconventional Resources Technology Conference (URTEC)

... terminology: URTEC-198221-MS 3 True Vertical Depth (TVD) is the actual vertical depth as specified in a geodetic reference coordinate system...

Pore Pressure Mapping Using Microseismicity and Borehole Data

Leo Eisner, Dmitry Alexandrov, Umair bin Waheed

Unconventional Resources Technology Conference (URTEC)

...s directions defined with Euler angles 𝜉1 , 𝜉2 , and 𝜉3 in geographical coordinate system 𝐵 𝐺 . Then we can characterize how well the selected foca...

The Sediment Budget Estimator (SBE): A process model for the stochastic estimation of fluxes and budgets of sediment through submarine channel systems

Joris T. Eggenhuisen, Mike C. Tilston, Christopher J. Stevenson, Stephen M. Hubbard, Matthieu J.B. Cartigny, Maarten S. Heijnen, Jan de Leeuw, Florian Pohl, Yvonne T. Spychala

Journal of Sedimentary Research (SEPM)

... on observable submarine-channel dimensions and general characteristics of the system of interest. The requirements for the model were defined in the spirit...

Effective flow properties of heterolithic, cross-bedded tidal sandstones: Part 1. Surface-based modeling

Benoît Y. G. Massart, Matthew D. Jackson, Gary J. Hampson, Howard D. Johnson, Berit Legler, and Christopher A.-L. Jackson

AAPG Bulletin

... is the vertical coordinate, relative to the junction point O between the flat toeset part and the concave-upward foreset part (which is defined...

Identifying Underutilized Ground Water Resources in the Coastal Bend Region of Texas

Karen K. Dodson

GCAGS Transactions

... points to calibrate the map to the state plane coordinate system. This base map was imported into Ground Water Vistas and overlain with the model grid...

Paleocurrent Trend Analysis of a Delta in the Bjorne Formation (Lower Triassic) of Northwestern Melville Island, Arctic Archipelago

F. P. Agterberg, L. V. Hills, H. P. Trettin

Journal of Sedimentary Research (SEPM)

... for irregularly spaced control points (Krumbein and Graybill, 1965): x = F(u,v) The coordinate system is usually chosen in such a way that u and v point toward...

Time-Lapse Geophysics for Mapping Fluid Flow in Near Real Time: Results from a Controlled Mesoscale Experiment

Roelof Versteeg

Special Publications of SEPM

.... While data acquisition was relatively easy to automate point. (using the gantry system), data processing and visualization were more difficult...

Stochastic Regridding of Geological Models for Flow Simulation

Saina Lajevardi, Clayton V. Deutsch

CSPG Bulletin

... are implemented in a Cartesian restored geological coordinate system. The data from the coarse resolution model is assigned to the center point of every grid...

Identification and calculation of transfer overpressure in the northern Qaidam Basin, northwest China

Changyu Fan, Zhenliang Wang, Aiguo Wang, Suotang Fu, Liqun Wang, Yongshu Zhang, Hongxi Kong, and Xiao Zhang

AAPG Bulletin

... clearly understood, which has caused some difficulties in hydrocarbon exploration. Using a compaction study, we applied a modified acoustic-velocity...

Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases

M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso

Indonesian Petroleum Association

..., it will be shown that CRS stack can be used to attenuate multiples, or at least, to identify the location of multiples in the seismic section using the CRS...

Automatic Seismic-to-Well Tie by Restricted Adjustment of Sonic Logs; #42466 (2021)

Gabriel R. Gelpi, Daniel O. Pérez, Danilo R. Velis

Search and Discovery.com

... of data mining (Mueller, 2007). In a well-seismic context, DTW is a powerful algorithm able to modify the synthetic seismogram using the so-called...

A Semi-analytical Solution of the Induced Stress Change in a Layered Reservoir Based on the Stress Formulation

Shihao Wang, Yanbin Zhang, Ouassim Khebzegga, Bin Wang, Zhe Liu, Xian-Huan Wen

Unconventional Resources Technology Conference (URTEC)

... due to pressure decline. Using analytical solutions to predict the induced stress has been investigated by multiple authors. Particularly...

Potential for Petroleum Production in Mississippian-Pennsylvanian Paleovalleys in the Main Consolidated Field (Crawford County, Illinois) and Application throughout the Illinois Basin; #10501 (2013)

Jeremy London, Andrew Reeder, and Michael T. May

Search and Discovery.com

... and range grid in Illinois and Indiana and the Carter coordinate system in Kentucky were used as references for choosing control points. Attributes...

Project Management of Large Offshore Petroleum Project

V. Stuart Nielsen

Indonesian Petroleum Association

... to provide an early warning system regarding adverse forecasts or trends. Using these trends, appropriate corrective action must be taken in a timely...

Landscape Modification of the Smackover Field, Arkansas

Alison D. Culver, Mary L. Barrett

GCAGS Transactions

... originally was not georeferenced. The 1996 image was geo-referenced based on the NAD 83 system with a precise coordinate system of latitude...

High Resolution Aeromagnetics as an Aid to Structural Interpretation Over the Muturi PSC, Irian Jaya

Neil A. W. Moig

Indonesian Petroleum Association

... anomaly locations. All airborne sensor data were recorded using an RMS DGR-33 data logging system. The coordinate data was tied to GPS station 6009...

The Most Predictable Surface (MPS) Mapping Method in Petroleum Exploration

P. J. Lee

CSPG Bulletin

... and Middleton, 1967). In this case, the first variable-set consists of geological random variables and the second consists of geographic coordinate variables...

Sources and Nonsources of Beach Sand Along Southern Monterey Bay California--Fourier Shape Analysis

Gerald A. Porter, Robert Ehrlich, Robert H. Osborne, Rodney A. Combellick

Journal of Sedimentary Research (SEPM)

.... Four slides of 100 grains were prepared per sample. Drawings were made of the quartz grain outlines onto raidal coordinate paper using a petrographic...

PSWhat Do Geologists Need to Know about Metadata?, by Donald W. Downey, #40235 (2007).

Search and Discovery.com

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

Precision Placement for Successful Horizontal Wells in Heterogenous Reservoirs: A Case Study in Alpha Field, Central Sumatera Basin

Usman Jauhari, Ahmad Syahputra, Bangun Yulianto

Indonesian Petroleum Association

.... Efforts to complete the reservoirs using normal directional completions and even fracturing technology could end up not being successful. Similar...