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The AAPG/Datapages Combined Publications Database

Showing 3,114 Results. Searched 200,293 documents.

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Ascending

Natural fracture characterization in tight gas sandstones: Integrating mechanics and diagenesis

Jon E. Olson, Stephen E. Laubach, Robert H. Lander

AAPG Bulletin

..., and is the part of the horizontal stress that is not pore pressure dependent. The can be quantified based on plane strain elastic equations as (Prats, 1981...

2009

Electrical and flow properties of highly heterogeneous carbonate rocks

Charlotte Garing, Linda Luquot, Philippe A. Pezard, Philippe Gouze

AAPG Bulletin

... by equations 1 and 3, where r is given by equation 7 and where is obtained by solving equation 8 using here the time domain random walk approach...

2014

Bayesian inversion of tilt data using a machine-learned surrogate model for pressurised fractures

Saeed Salimzadeh, Dane Kasperczyk, Teeratorn Kadeethum

Australian Energy Producers Journal

... solving for a time-dependant process, the solution from previous timestep can be used as prior for the current step. Differential Evolution (DE...

2024

Forward Prediction of Spatial Temperature Variation from 3D Geology Models

H. Gibson, K. Stüwe, R. Seikel, D. FitzGerald, P. Calcagno, D. Argast, P. McInerney, A. Budd

Petroleum Exploration Society of Australia (PESA)

... of the previous solution, making it a very efficient tool to handle 3D heat flow. In further plans we will also consider solving the equations of heat...

2008

Machine learning inversion of time-lapse three-axis borehole gravity data for CO2 monitoring

Taqi Alyousuf, Yaoguo Li, Richard Krahenbuhl

International Meeting for Applied Geoscience and Energy (IMAGE)

...y data and changes in density, that satisfy the governing equations in the fluid flow simulator. We use a the trained neural networks to map the thre...

2022

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

Hugh Winkler

International Meeting for Applied Geoscience and Energy (IMAGE)

... network technique for solving the geosteering problem. It unrealistically used a normal distribution to model faulting. Maus et al. (2020) described...

2022

Poisson binomial-based random undersampling scheme for near-surface compressive sensing

Sayan Mukherjee, Yunyue Elita

International Meeting for Applied Geoscience and Energy (IMAGE)

... is the desired dense array data of length Nr Nt , S is the sampling matrix of size Ns Nt ⇥ Nr Nt . The system of linear equations depicted in equation 1...

2022

Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure

D. R. Eyles, J. A. May

Indonesian Petroleum Association

... at this stage to be relatively straightforward to convert this velocity map to a porosity map in the computer with the aid of the equations and maps...

1984

Predicting pressure-dependent velocities for carbonates by linking static and dynamic elastic properties

Xuan Qin, De-hua Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... pressure-dependent velocity reduces to addressing the crack porosity. Solving the crack porosity The strain of porosity ( ∆𝜙 𝜙 ) or relative porosity...

2022

Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data

Liwei Cheng, James Simmons, Ali Tura

International Meeting for Applied Geoscience and Energy (IMAGE)

... spacing for solving ray-tracing equations for reflection points. The locations of the reflection points are collected and saved. Next, we use a bin size...

2022

Lithofacies prediction of shale based on broadband spectral inversion

Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... sequence and improve the stability of it and the equations are Re  S ( f i )   Re W ( f i )   Re  R ( f i )   Im W ( f i )   Im  R ( f i )  (1...

2022

Process Simulator: A New Training Approach

C. Renard

Indonesian Petroleum Association

... of plant operation prior to initial startup or for refreshing. The process simulator provides a means of solving problems incurred during...

1985

Machine learnings and lessons learned on improvements to Castagnas mudrock, Gardners density, and Fausts velocity estimation

David J. Emery, Marcelo Guarido, Brian Russell, Daniel Trad

International Meeting for Applied Geoscience and Energy (IMAGE)

... as an ensemble method it combines results from a series of decision trees, each solving for the residual error from previous steps with different...

2022

Production and Reservoir Property Determination Using Integrated Pressure Measurement Techniques

W. Douglas Morgan, Manfred J. Wittmann, Bruno J. Deruyck

Indonesian Petroleum Association

... of Source and Green's Functions in Solving Unsteady Flow in Reservoirs". SPEJ October, 1973, 285 - 296. Meunier, D. Wittmann, M.J. and Stewart, G...

1987

Process Safety Challenges of CO2 Sequestration

Clinton Smith

Australian Petroleum Production & Exploration Association (APPEA) Journal

... reaction with bicarbonates: Fe2þ þ CO3 2À ! FeCO3 Or Fe2þ þ 2HCO3 À ! FeðHCO3 Þ2 FeðHCO3 Þ2 ! FeCO3 þ CO2 þ H2 O From these equations we note that water...

2021

Simulation Challenges in Condensate Gas Full Field Model

Dong Chao

Indonesian Petroleum Association

... and creates problems of convergence when solving. A solution using pseudo relative permeability curves in the full field model is demonstrated...

2012

Risk Analysis and Economic Evaluation in Capital Investment Using Simulation Techniques

Hayu Susilo Prabowo, Entang Hadisasmita

Indonesian Petroleum Association

... into a cumulative distribution curve by simple equations (Garb 1988). When the variables have been ordered, studied, and analyzed into distribution...

1990

Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration

Tim Geerits, Stefan Schimschal, Anna Swiatek

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the first and second kind, respectively (Abramowitz and Stegun, 1972). The reflection coefficients follow from solving a linear system of equations...

2022

Flowback Analysis of the Abadi Field

Iwan Kurniawan

Indonesian Petroleum Association

... settling velocity of a spherical particle in a quiescent fluid in Stokes flow can be calculated by solving the drag coefficient relationship (Equation 2...

2013

Multicomponent seismic data vector reconstruction via quaternionic matrix factorization

Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...  expressed by Q require to be recovered from the observed  data denoted by Q obs . It can be expressed via the following equations,   (7) Q obs = P  Q...

2023

Application of Seismic Attributes and Neural Network for Sand Probability Prediction „ A Case Study in the North Malay Basin

Jianyong Hou, Toshihiro Takahashi, Arata Katoh, Suwit Jaroonsitha, Khun Puvanat Chumsena, Kazuo Nakayama

Geological Society of Malaysia (GSM)

... applied successfully in a variety of scientific and technological fields. It simulates the cognitive processes of the human brain and is suited for solving...

2008

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... and loaded into the Sirius 2D depth imaging system. The depth-interval velocity model was converted to time-RMS using standard Dix equations. The time-RMS...

2002

Seismic deblending with a hard data constraint

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Davies (2009)) is equivalent to solving the following optimization problem by means of the proximal gradient algorithm (Parikh, 2014): 1 ˜ d = min...

2024

Permeability Prediction Using Projection Pursuit Regression in the Abadi Field

Ricardo Oentoe, Kentaro Hasebe, Masahiko Nomura

Indonesian Petroleum Association

...) as a main contributor was defined. Figure 7 shows the functional form determined for each rock type and the resulting equations. All the functions were...

2016

Memorial: Frank B. Conselman (1910-1989)

Grover E. Murray

AAPG Non-Technical and Memorials

... well acquainted too with matters mathematical, I understand equations, both the simple and quadratical, About binomial theorem I ' m teeming with a lot...

1990

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