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Showing 2,007 Results. Searched 200,636 documents.
Triangular impulse tests for stratified gravity inversion
Guibao Liu, Hua-Wei Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
..., is the Fréchet derivative matrix, or the ∂z Jacobian kernel matrix (J) of the vertical gravity with respect to interface depth, and ∆z is the perturbation...
2022
Investigation of the Impact of Condensate Blockage on Well Productivity in a Tight Gas Condensate Reservoir Case Study of Tawes Field
Agung Ertanto, Lukman Hidayat, Imaduddin Kartoatmodjo, Ludy Andria
Indonesian Petroleum Association
... development in the near wellbore. 10000 Figure 5 - Tawes-3 log-log derivative plot of main Pressure Build Up (PBU). Figure 6 - Gas rate of radial...
2013
Factors linking the static and dynamic elastic stiffness of shale: An experimental study on shales
Xuan Qin, Yonghao Zhang, De-hua Han1
International Meeting for Applied Geoscience and Energy (IMAGE)
... a quadratic fitting to fit the deviatoric stress (𝑞) and the axial strain (𝜀): 𝑞=𝑀2 𝜀 2 + 𝑀1 𝜀 + 𝑞0 Taking the derivative of 𝜀 over 𝑞 yielded...
2022
Generative Models for Production Forecasting in Unconventional Oil and Gas Plays
Heidi A. Kuzma, Nimar S. Arora, Kemal Farid
Unconventional Resources Technology Conference (URTEC)
... on Beta Derivative.” SPE Conference Paper. SPE-169570-MS. DOI:10.2118/169570-MS. Shin, H.J., Lim, J.S., Shin, S.H., 2014. Estimated ultimate recovery...
2014
SRM Anomalies and Maghemite Occurrence
Reed Tompkins
Houston Geological Society Bulletin
..., but most have failed through lack of performance ability. A derivative of this technology, Sedimentary Residual Magnetics (SRM), has been developed...
1994
Rooting Against a Recovery?
Russell Evans
Oklahoma City Geological Society
... W 2008 − 0.058 M − 8.281 e − 8 I 2008 * Δ W + e And taking the derivative with respect to ΔW d G I d Δ W...
2016
NGMA Cooper-Eromanga Basins Project New Insights into Petroleum Systems
John Draper
Petroleum Exploration Society of Australia (PESA)
... structural elements of the basins at the respective horizons. Derivative maps, such as isopachs, were also prepared from the horizon maps. HYDROCARBON...
2001
A Case Study of Horizontal Drilling to Reduce Gas Coning in the Oil Rim of a Carbonate Reservoir
A. Gordon Harrington, Richard A. Lorentz, Sada D. Joshi
Indonesian Petroleum Association
.... Nevertheless, the derivative slope at the end indicates communication with the reservoir gas cap, despite an apparently low productivity index. Therefore...
1992
Geostatistical inversion method based on seismic waveform similarity
Xuebin Ni, Jiajia Zhang, Guangzhi Zhang, Baoli Wang, Ying Lin, Zhuofan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... function takes a derivative with respect to i and respectively. We get the matrix of weight coefficients based on the similarity of seismic...
2023
Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek
Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason
International Meeting for Applied Geoscience and Energy (IMAGE)
... well as evidenced on Figure 6(a). Estimating “net sand” is a standard inversion derivative product leveraged for resource estimation and geomodel...
2023
Coalbed Methane Multicomponent 3-D Reservoir Characterization Study, Cedar Hill Field, San Juan Basin, New Mexico
Thomas L. Davis, Robert D. Benson, Edward L. Shuck
Rocky Mountain Association of Geologists
.... A smoothed second derivative map of the time structure map presented in Figure 4. Zones of maximum vertical curvature relative to a horizontal plane...
1995
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the conversion point does not change with depth (for z > 0) with xc/hc = 1/(γ0+1). On-axis triplication at 0o only occurs when the derivative...
2023
Hydrocarbon Source Rock Characteristics and the Implications for Hydrocarbon Maturation in the North Sumatra Basin
Eddy Sjahbuddin, Ramli Djaafar
Indonesian Petroleum Association
... of the land plant derivative oleanane compound (MZ 191) emphasizes that the crudes originated from dominantly terrestrial organic matter...
1993
Use of Automatic Moment Tensor Inversion in Real Time Microseismic Imaging
Michael Kratz, Michael Thornton
Unconventional Resources Technology Conference (URTEC)
.... 𝐺𝐺′ 𝑖𝑖 𝑖𝑖 is a matrix of spatial derivative of the Green’s function which captures the effects of source receiver geometry and wave propagation...
2015
The Marketing Evolution of Gas Trade Future Implications to PSCs Operating in Indonesia
Andy Karamoy
Indonesian Petroleum Association
... or in a derivative form such as Liquified Petroleum Gas (LPG). An overview of the LNG and pipeline trade and the industry's future projections...
1993
Semi-quantitative prediction of hydrocarbon gas saturation in carbon dioxide enrichment areas in the South China Sea deepwater
Leyi Xu, Weiwei Zhang, Xumin Liu, Hao Liu, Jianfeng Yang, Yixuan Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... ) + ( f ≻ f0 ) A (θ ) Ia vp ∆vs +B (θ ) ( f0 ) + ( f ≻ f0 ) B (θ ) Ib . vs R (θ , f ) ≈A (θ ) (3) where Ia and Ib represent the derivative...
2023
A field data application of RockAVO: Data-driven, direct petrophysical inversion of prestack seismic data
Miguel Corrales, Hussein Hoteit, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
...) In this context, Hp = VT L p 1 , where W is the wavelet operp ator, D represents the derivative operator, and e includes the r petrophysical reflectivity coef...
2023
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... is carried out in the vertical direction as follows: x (7) The derivative of x and z are: x x x x 1 x 0 z z...
2023
Probabilistic centroid moment tensor inversions using geologically constrained priors: Application to induced earthquakes in the Groningen gas field, the Netherlands
La Ode Marzujriban Masfara, Cornelis Weemstra, Thomas Cullison
International Meeting for Applied Geoscience and Energy (IMAGE)
... . Furthermore, G is the Green’s tensor (9 components), and a comma followed by a subscript represents a spatial derivative along that coordinate axis. Finally...
2023
Seismic diffraction imaging for improved coal structure detection in complex geological environments
Binzhong Zhou, Weijia Sun
Petroleum Exploration Society of Australia (PESA)
... derivative is ignorable. Based 𝜕𝑡 on equation (3), one can easily estimate the seismic local dips by computing the first derivatives of the wavefield...
2018
Geophysical Investigation Using Resistivity and GPR: A Case Study of an Oil Spill Site at Seberang Prai, Penang
Zaw Win, Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
... are able to absorb up to 25–45 g/l of hydrocarbons (Malina, 1999). The oil derivative substances migrate in accordance with ground water flow direction...
2011
An Optimised Hydraulic Fracturing Treatment on Challenging Rizq Field
Muhammad Asad Pirzada, Hamid Roshan, Faisal Saleem, Abdul Haseeb, Mohammed Kurdi
Petroleum Exploration Society of Australia (PESA)
... for the Diagnostic Fracturing Injection Test, also known as DataFrac treatment in which G-function derivative plot, after closure analysis and Step Rate test...
2018
Improvement of inverse scattering angle-domain common image gathers using optical flow
Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
...z ∂t is the time derivative of the pressure wavefield. The optical flow solution is obtained by assuming that neighboring points have smooth flo...
2023
Pyrolysis, Porosity and Productivity in Unconventional Mudstone Reservoirs: Free and Adsorbed Oil
Munira Raji, Darren R. Gröcke, Chris Greenwell, Chris Cornford
Unconventional Resources Technology Conference (URTEC)
... (Figure 2, inset). Derivative ratios comprise the Hydrogen index (HI = S2/TOC, mg/gTOC), the Oxygen Index (OI = S3/TOC, mgCO2/gTOC) and the Production...
2015
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
... the subsurface reflectivity (Zhang et al., 2020). In summary, the FWI Image is the directional derivative of the original FWI velocity model. Elastic FWI FWI...
2023