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The AAPG/Datapages Combined Publications Database
Showing 2,007 Results. Searched 200,630 documents.
A Model Ranking Approach for Liquid Loading Onset Predictions
Hao Jia, Jianjun Zhu, Guangqiang Cao, Yingda Lu, Bo Lu, Haiwen Zhu
Unconventional Resources Technology Conference (URTEC)
... film thickness can be obtained by taking the first derivative of the function. Several other studies (Luo et al., 2014; Shekhar, 2017) accounted...
2021
Preglacial paleotopography at the eastern terminus of the Plum River Fault Zone, Ogle County, Illinois
Matthew L. Rhoads, and David H. Malone
Environmental Geosciences (DEG)
... systems based approach to derivative map production and visualizing bedrock topography within the town of Rutland, Vermont, USA: Geo-Information, v. 3...
2018
Non-Linearity in Decline Behavior of Unconventional Wells
James R. Gilman, Sepehr Fadaei
Unconventional Resources Technology Conference (URTEC)
... different formations are presented. Diagnostic plot of log ∆ / vs. log / and its derivative are used to identify transient and BDF regimes (based...
2013
Characterization of Stress-field Variation on Subsurface Faults in Surrounding Areas of Hydraulic Fracturing
Qian Gao, Yueming Cheng, Ebrahim Fathi, Samuel Ameri
Unconventional Resources Technology Conference (URTEC)
...) 𝜎𝑛 The Ts is a function of β in Eq. (4). For a given stress state, the maximum value of slip tendency (Ts) can be determined by taking the derivative...
2013
Hydrocarbon Prospect Mapping Using Balanced Cross-Sections and Gravity Modelling, Onin and Kumawa Peninsulas, Irian Jaya, Indonesia
M. Untung, Sardjono, I. Budiman, J. Nasution, E. Mirnanda, L. F. Henage, E. G. Sirodj
Geological Society of Malaysia (GSM)
..., residual, downward continued, and second derivative. Spectral analyses indicate that basement is about 3 km depth at Onin and about 6 km in the Bomberai...
1995
Dynamic Geo-Process Modelling: A Technique to Help Identify Favorable Prospects
Michael J. Zeltlin
Indonesian Petroleum Association
... and convective acceleration terms are combined, the total acceleration can be described and noted in terms of the substantial derivative Dv/Dt (see pages...
1989
Conodonts from the Frasnian — Famennian Boundary Interval in Western Canada
M. J. Orchard
CSPG Special Publications
... n. subsp. was found in the lower Ronde Formation — this is probably a derivative of ele ments described by Pollock (1968) from the lower Frasnian...
1988
Rapid Compositional Simulation and History Matching of Shale Oil Reservoirs Using the Fast Marching Method
Atsushi Iino, Aditya Vyas, Jixiang Huang, Akhil Datta-Gupta, Yusuke Fujita, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
...: Example of multi-phase diffusivity, DTOF and associated Vp and w() function In Figure 1c, the w() function is defined as a derivative of drainage pore...
2017
Far-Field Proppant Imaging Offsetting Depletion: A STACK Case History
Kyle Haustveit, Mouin Almasoodi, Wadhah Al-Tailji, Souvik Mukherjee, Terry Palisch, Rusty Barber
Unconventional Resources Technology Conference (URTEC)
... of the derivative cure that exceeds a minimum cutoff, with the start of the bar representing the start of first response. The derivative becomes positive when...
2019
Mississippian Sedimentation and Oil Fields in Southeastern Saskatchewan: Carboniferous
Ralph W. Edie
AAPG Special Volumes
... movement has occurred. Regional dip: Figure 13 is a first derivative of the structure-contour map shown in Figure 12. Dips were calculated on a grid...
1958
Application of Assisted History Matching Workflow to Shale Gas Well Using EDFM and Neural Network-Markov Chain Monte Carlo Algorithm
Sutthaporn Tripoppoom, Wei Yu, Kamy Sepehrnoori, Jijun Miao
Unconventional Resources Technology Conference (URTEC)
... and relatively low computational efforts. Some algorithms rely on gradient or derivative of objective function calculation such as gradient method (Ding...
2019
Cave Levels of the Trenton-Black River Formations in Central Southern Michigan: Chapter 15
Ronald J. DeHaas, Merlin W. "Casey" Jones
AAPG Special Volumes
... derivative map of the thickness of the Utica Shale (Figure 20) shows that in southeastern Michigan, the Utica Shale changes thickness quickly over short...
1988
Prospectivities of Buton Area, Southeast Sulawesi: New Insights from Revisiting Integrated Geological-Geophysical-Geochemical Data
Awang Harun Satyana, Ngakan Alit Ascaria, Alfathony Krisnabudhi, Ragil Destriawan Prasetyo
Indonesian Petroleum Association
... and secondary vertical derivative of gravity modeling show the structural trends from various deformation origins in the Buton area and the presence of low...
2023
Assessment of Top Seal Capacity of Indonesian Shales in Relation to CCS/CCUS Planning
Eril Suhada Lanin, Benyamin Sapiie, Mohammad Rachmat Sule, Teddy Eka Putra, Tri Handayani
Indonesian Petroleum Association
... to the slope of the upper inflection (plateau) with the injection pressure axis. Kivior (2000) utilizes the first derivative of the injection curve...
2024
Embedding Physical Flow Functions into Deep Learning Predictive Models for Improved Production Forecasting
Syamil Mohd Razak, Jodel Cornelio, Young Cho, Hui-Hai Liu, Ravimadhav Vaidya, Behnam Jafarpour
Unconventional Resources Technology Conference (URTEC)
...as 𝜃 𝑖+1 = 𝜃 𝑖 + 𝛼 ??𝜃 . The derivative 𝛿𝜃 𝑖 is obtained using the chain rule as δℒ δℒ δ𝑓2 δ𝑓1θ = δθ δ𝑓2 δ𝑓1θ δθ (7) The computation of sensitivity i...
2022
Integrated Approaches for Wells Interference and Drainage Assessment in Vaca Muerta Shale Play, Argentina
Martín E. Fasola, Luciana De Marzio, Mariano I. Suarez
Unconventional Resources Technology Conference (URTEC)
... estimate the contacted volume and PNR (pressure normalized rate) and PNR' (derivative of the pressure normalized rate) or RPN (rate normalized pressure...
2023
Chapter 25: Tectono-stratigraphic Evolution of the Chichibacoa–Rancherias Basin Offshore Colombia
Wenceslao Martinez, Wilber Hermoza, Diana Espino, Jaclyn Carrington, Jessica Perez, Karen Pate, Maria Rodrigo
AAPG Special Volumes
... the CRB, the accretionary prism (also called the SCDB), and the Colombian Basin (Figure 5). The first derivative of the Bouguer gravity anomaly map...
2015
Chapter 1: Introduction and Objectives
Thomas X. Homza, Steven C. Bergman
AAPG Special Volumes
... data. Each of these datasets was depth converted and reprocessed for a variety of derivative products. The fourth 3-D seismic survey, Statoil...
2019
A Physics-Based Approach to Characterize Productivity Loss in the Haynesville Shale
Chad Jongeling, Jerrod Ryan, Christopher Ponners, Dominick Wytovich, Joe Miller, Josh Jackson, Mark McClure, Garrett Fowler
Unconventional Resources Technology Conference (URTEC)
... and viscosity should be estimated from 𝑑𝑊 the fluid in the fracture during the test. The values of fracture aperture and its derivative, W and 𝑑𝑃 , can...
2024
Mississippian Sedimentation and Oil Fields in Southeastern Saskatchewan
Ralph W. Edie
AAPG Bulletin
... Precambrian basement fau ts along which later movement has occurred. Regional dip: Figure 13 is a first derivative of the structure-contour map shown...
1958
Constraints on Eolian Grain Flow Dynamics Through Laboratory Experiments on Sand Slopes
Richard R. McDonald , Robert S. Anderson
Journal of Sedimentary Research (SEPM)
...] = [dvh]/[dvt] + [dvh]/[dvx] = -[2vh*]/[W] (9) where Dh/Dt is the substantial derivative, or the derivative following a parcel of the medium. Under...
1996
Syntactic Simulation of 1-D Sedimentary Sequences in a Coal-Bearing Succession Using a Stochastic Context-free Grammar
T. Duan , C. M. Griffiths , S. O. Johnsen
Journal of Sedimentary Research (SEPM)
..., which also indicates the derivative procedures. For the grammar rules used, see the text. End_Page 1094----------------------- with which the x occurs...
1996
Contributions of Compaction and Aquathermal Pressuring to Geopressure and the Influence of Environmental Conditions (1)
XIAORONG LUO and GUY VASSEUR
AAPG Bulletin
...------------------------------ (Equation 1; SEE PAGE IMAGE) where d/dt is the derivative following the solid movement (see Appendix 1). In this equation, the second term...
1992
Application of seismic curvature attributes in the delineation of coal texture and deformation in Zhengzhuang field, southern Qinshui Basin
Lutong Cao, Yanbin Yao, Dameng Liu, Yanhui Yang, Yingjin Wang, and Yidong Cai
AAPG Bulletin
... at the point P; x and y represent the coordinates of the point P. This formula reveals that the curvature is closely related to the second derivative...
2020
High-resolution hyperspectral-based continuous mineralogical and total organic carbon analysis of the Eagle Ford Group and associated formations in south Texas
Ahmed Alnahwi, Tobi Kosanke, Robert G. Loucks, James Greene, Xiuju Liu, and Paul Linton
AAPG Bulletin
... and derivative of Gaussian wavelets: Fuel, v. 89, no. 3, p. 760–767, doi:10.1016/j.fuel.2009.03.027. Manea, D., and M. Calin, 2015, Hyperspectral...
2020