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The AAPG/Datapages Combined Publications Database
Showing 2,008 Results. Searched 200,674 documents.
Auto-identification and Real-time Warning Method of Multiple Type Events During Multistage Horizontal Well Fracturing
Mingze Zhao, Yue Li, Yuyang Liu, Bin Yuan, Siwei Meng, Wei Zhang, He Liu
Unconventional Resources Technology Conference (URTEC)
... 𝑖 = 1 𝑘 (𝑥" ) = 2 (3) 𝑓(𝑥" ) − ℎ(𝑥" ) 1 < 𝑖 Where 𝑓′(𝑥" ) represents the derivative of the time stamp data in the ith data...
2023
The Computer Revolution Implications for Data Management
Michael J. Wiltshire
Geological Society of Malaysia (GSM)
... of observational data. The development of the silicon chip, and the ongoing derivative development of computing power is an example. We can expect...
1995
Research of high-precision depth interpretation method for low-amplitude offshore reservoir and its application in C oilfield, Bohai Bay Basin
Wenbin Li, Jianli Wang, Zhenglong Zhang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Travel time of seismic wave is equal to the line integral of slowness along ray path: =∫ ( , , ) (1) ( , , ) , , , , represent slowness underground...
2022
Wave scattering by the formation velocity perturbation surrounding a fluid-filled borehole
Zhou-Tuo Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
...： r2 R z1 z 2 z z 1 (5) 2 r R0 z 2 z Further, equations (5) and (3) related to R and R0 are replaced, and the integral...
2022
Forward modeling for arbitrary irregular free-surface based on body-fitted grid
Erxiang Wei, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... the coordinate values of the grid nodes in the computational space, ξ xx , ξ yy ,η yy ,η yy represent the second order partial derivative , P ( x, y ), Q( x, y...
2023
Using Fluid-Induced Seismicity to Infer Permeability
Andrew King, Tobias Muller
Petroleum Exploration Society of Australia (PESA)
... the probability distribution for the pressure there is given by the integral This expression gives a kind of soft upper bound on the pressure...
2016
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias Müller
Unconventional Resources Technology Conference (URTEC)
... the probability distribution for the pressure in a region of intact rock is given by the integral This expression gives a soft upper bound...
2016
The Importance of Data Diagnostics in Estimating Ogip from Production Data Analysis: A Case Study of Over-Pressured Gas Reservoir
Arif Rahman Hakim, Yusni Aditiah, Panca Suci W, Eldias A. Putra, Tri Adi Arifianto, Sukibihi Eka Prasetya, Sri Rahayu
Indonesian Petroleum Association
... of time superposition. Blasingame also introduced two additional type curves, often plotted together with the normalized rate type curve: the rate integral...
2015
Applications of elastic RTM on land data
Min Zhou, Changhua Zhang, Zheng Meng, Bin Yu, Mingqiu Liu, Yequan Chen, Dajian Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the stress tensor, respectively. 𝜌, 𝜆 and 𝜇 are density and the Lamé parameters, respectively. 𝜕 𝑖 represent the first order special derivative operator...
2024
Abstract: Hydraulic Fracture Energy Considerations: a 3D Numerical Simulation Compared to Microseismic Imaging; #90187 (2014)
Neda Boroumand and Dave Eaton
Search and Discovery.com
... stress intensity factor, K IC , a relationship described by Irwin (1957), complete elliptic integral of the second kind with its argument defined as k...
2014
Abstract: Interesting Directions Being Pursued in Seismic Curvature Attribute Analysis; #90187 (2014)
Satinder Chopra and Kurt J. Marfurt
Search and Discovery.com
... [email protected] and Kurt J. Marfurt, The University of Oklahoma, Norman, OK, USA Summary Seismic curvature attribute analysis forms an integral part of most...
2014
Robust joint inversion and segmentation of 4D seismic data
Juan Romero, Matteo Ravasi, Nick Luiken
International Meeting for Applied Geoscience and Energy (IMAGE)
... of a wavelet with the time derivative of the natural logarithm of the acoustic impedance (Stolt and Weglein, 1985): arg min m 1 Gm − d 2 2 2 where G = w...
2022
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
... in the realm of conventional semblance values. The semblance is then minimized over values of b(k) between 0 and 1. To do so, the roots of the derivative of (4...
2016
Artificial Neural Network Based Facies Modeling for Multi-Layer Injection Fall-off Transient Analysis
Arvind Kumar, Saunil Rajput, Poorna Venkata Sai Teja Nukala, Tety Benedicta Wydiabhakti, Eduardo Antonio Trevisan, Keka Ojha
Unconventional Resources Technology Conference (URTEC)
...-log derivative, semi-log derivative plot and pressure rate history plot. The analysis was performed for both production cases and injection cases...
2023
Inference of Induced Fracture Geometries Using Fiber-Optic Distributed Strain Sensing in Hydraulic Fracture Test Site 2
Stephen Bourne, Kees Hindriks, Alexei A. Savitski, Gustavo A. Ugueto, Magdalena Wojtaszek
Unconventional Resources Technology Conference (URTEC)
... finite fracture sources and the DSS fiber-strains are computed as the integral of point source elastostatic solutions over each source element according...
2021
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)
... is that the continuity condition of the derivative of the stress field on the layer interface cannot be satisfied if the mean stress is simply set...
2022
Analysis of Fracture Injection Tests using Signal Processing Approach
I. Eltaleb, A. Rezaei, F. Siddiqui, M. M. Awad, M. Mansi, B. Dindoruk, M. Y. Soliman
Unconventional Resources Technology Conference (URTEC)
... is a function characterizing by the following properties (Percival and Walden, 2000) • The integral of real-valued function 𝜓 is equal to zero...
2020
Analysis of Condensate Banking Indication of M Gas Condensate Reservoir from Welltesting Examination
Andry Halim, Fuad Nuri, Suryo Adi P
Indonesian Petroleum Association
... which can be derived from the derivative plot analysis. It is also found in several well in “D” structure from the DST data analysis and evaluation...
2015
Elastic reverse-time migration without wavefield decomposition
Daiguang Li, Shengchang Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... Where u is the particle displacement; f is the source term; the double dot above u denotes the second-order time derivative; ρ is the density;α and β...
2022
Results of a Gravity Survey in the Kuala Lumpur Area
C. A. Foss
Geological Society of Malaysia (GSM)
... to isolate that anomaly from the others. Various methods have been used to effect such separation, such as graphical methods, grid operators (Griffin...
1986
Simultaneous Interpretation of Multiple Geological, Geophysical, and Geochemical Measurements Helps Target Sweet Spots and Improve Basin-Scale Understanding of Argentinas Neuquén Basin
Horace Snyder
Unconventional Resources Technology Conference (URTEC)
... of the Neuquén Basin. Key objectives of the project were to: 1) improve E&P operators‟ understanding of basin-scale structural and intrusive factors...
2013
Abstract: Beyond the Dots in the Box - Microseismicity-Constrained Fracture Models for Reservoir Simulation; #90172 (2014)
Leo Eisner, Sherilyn Williams-Stroud, Andrew Hill, Peter Duncan, Mike Thornton
Search and Discovery.com
...’s function derivative (Aki and Richard, 1980). Einstein’s summation rules over j,k indexes applies Equation (1) can be inverted by either least...
2014
Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)
Roohollah Askari and Robert J. Ferguson
Search and Discovery.com
... ( ) indicates a frequency derivative of ( ). Upon the above approximations, we can obtain [ ( )] () () [ ( )] ( () ) (6) where...
2014
Advances in Hydraulic Fracturing of Low Permeability Reservoirs: Slickwater, Mini-Fracs, and Other Key Factors
Jennifer L. Miskimins
Rocky Mountain Association of Geologists
... decline curves was ambiguous at times until Ayoub et al. (1992) applied a derivative function to the curve which improved diagnostic efforts. A further...
2005
Amphoteric Polymer Improves Hydrocarbon/Water Ratios in Producing Wells – An Indonesian Case History Study
Frederick O. Stanley, Hardianto, Ewen Marnoch, Paternus Syukur Tanggu
Indonesian Petroleum Association
... problems; however, when the production of water becomes excessive, consideration of water reduction is often necessary. Operators are often required...
1996