A New Approach of Thin Bed Analysis Using Innovative LWD Imaging to Improve Net-Pay

Restio Brata, Mario Petricola, Hengky NG, Rahmi Kemalawati, Budiyono, Yus Willian, Bambang Pujasmadi, Aditi Pal

Indonesian Petroleum Association

.... The parameter is then implemented in the deviated wells with some adjustment based on the similar sand reservoir properties correlation. METHOD AND WORKFLOW...

Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)

K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi

Search and Discovery.com

... of the logarithm of a signal’s Fourier transform is the cepstral domain representation of that signal. The convolution operation of two signals in the time...

Theory and Methodology for Seismic Texture Analysis: Implications for Seismic Facies Visualization and Interpretation

Dengliang Gao

GCAGS Transactions

..., seismic texture is linked to stratigraphy via a wavelet convolution, and such a physical link holds the key and potential to characterize depositional...

Amplitude Mapping of Reservoirs in North Africa

Search and Discovery.com

... spectrum. A “match filter” is a simple convolution filter designed on the difference in phase and amplitude spectra between two wavelets. An operator...

Transformer-based network for an efficient ground roll suppression

Randy Harsuko, Omar Saad, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

...-attention mechanism then finds the connection between the traces through its inherent optimized correlation and weighted summation operations, which...

A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... properties such as P-impedance, S-impedance, and density. The inverse problem comprises (1) a forward problem, which uses a convolution model between...

Know Before You Go!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... by well-log data in each specific case. The Figure 3: Sample calculations from a rock model, indicating how fluid saturation, shale content and porosity...

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... (PSPI) one way wave equation for gradient calculations. In this work we start with the forward Kirchhoff operator for prediction of shot records from...

Assessment of Rate Normalization and Pressure Deconvolution Techniques to History-Match and Forecast Production of Tight-Oil Reservoirs Using a Physics-Based Rate-Time Model

Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh

Unconventional Resources Technology Conference (URTEC)

... conditions. Second, we present the concepts of time superposition, convolution, deconvolution, and rate normalization. Third, we introduce the numerical...

Reliability estimation of the prediction results by 1D deep learning ATEM inversion using maximum depth of investigation

Hyeonwoo Kang, Minkyu Bang, Soon Jee Seol, Joongmoo Byun

International Meeting for Applied Geoscience and Energy (IMAGE)

... the maximum depth of investigation (MDI) proposed by Spies (1989) as the reliable depth of prediction results. Through the analysis on the correlation...

Seismic absolute acoustic impedance inversion using domain adversarial based transfer learning

Anjali Dixit, Animesh Mandal

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Poseidon field, NW-Shelf, Australia. The results exhibit a good correlation along a test well for both Fourth International Meeting for Applied Geoscience...

S-wave velocity prediction using a deep learning scheme and attention mechanism

Gang Feng, Wen-Qin Liu, Zhe Yang, Wei Yang, Jian-Hua Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... Where, Re LU ( x ) = max ( x ) , Wc and bc represent the weight matrix and bias, respectively, and * represents the convolution operation, X represents...

Waterflood Performance Monitoring: 4D-Microgravity and Vertical Electrical Sounding (VES) Approach in Tanjung Complex Structure, Tanjung Field, South Kalimantan

Fahmi Bajry, R. Agung I. Wardhana, Reza Rahadian, Adhitya Pratama Lanadito, Wawan Gunawan A. Kadir

Indonesian Petroleum Association

... Schlumberger configuration. In mathematics, gravity anomaly is the result of convolution between Ri operators who depend on the geometry...

High-efficient reflection retrieval from massive ambient noise using a deep-learning workflow

Yinghe Wu, Shulin Pan, Dawei Liu, Yaojie Chen, Qinghui Cui

International Meeting for Applied Geoscience and Energy (IMAGE)

... offset records and named this correlation calculation method "daylight imaging." Rickett and Claerbout (2000) verified Claerbout's (1968) theory...

Some Patterns of Sulfur Isotope Distribution in Uranium Deposits1

S. Ralph Austin

Earth Science Bulletin (WGA)

..., but in their “zone of aeration (vadose zone)” where according to their calculations “oxygen generally is too plentiful. . .to produce intermediate sulfur...

The Characteristics and Origins of Dish and Pillar Structures

Donald R. Lowe, Robert D. LoPiccolo

Journal of Sedimentary Research (SEPM)

... crosslaminations deformed near top into convolute laminations: anticlinal convolution containing plant debris (1) and synclinal convolution showing...

A hybrid machine learning model for improving regression of mineral composition estimation using well logging data

Xiaojun Liu, Kezhen Hu, Stephen E. Grasby, Benjamin Lee

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is added to model training to decrease the sensitivity and increase repeatability of model prediction. The comparison of metrics and correlation...

A deep-learning workflow for weak reflection extraction in pitch-catch measurements in cased-hole

Qiang Wang, Hua Wang, Shaopeng Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

... colors are corresponding to A0+casing reflection and TIE, respectively. We use a 1-D convolution kernel M (kernel size is 256) to convolute with each...

Strike-slip fault skeletonization based on deep learning cascade ant tracking method

Zhipeng Gui, Junhua Zhang, Rujun Wang, Yintao Zhang, Chong Sun, Mei Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... convolution layers in the path of receiving the encoder feature map, and the number of these convolution layers depends on pyramid-level blocks. Dense...

Validating machine learning-based seismic property prediction through self-supervised seismic reconstruction

Tao Zhao, Haibin Di, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the center, and three MLpredicted traces on each side. Figure 3. The average trace-wise correlation on the validation data during three SL training...

Measurement Environments Effect on DTS Surveys: A Case Study on Fiber Cable-Wellbore Coupling

Kagan Kutun, Ge Jin, Jennifer L. Miskimins

Unconventional Resources Technology Conference (URTEC)

... the history matching computation at each channel to a handful of convolution calculations and provides a significant speedup. This methodology assumes...

Bi-directional LSTM-based non-causal deconvolution

G. Roncoroni, I. Deiana, E. Forte, M. Pipan

International Meeting for Applied Geoscience and Energy (IMAGE)

... traces, respectively; r(t) is a randomly distributed reflection coefficient series and n1(t) represents a random noise component added before convolution...

An automatic velocity picking method based on object detection

Ce Bian, Weifeng Geng, Ping Yang, Pengyuan Sun, Guiren Xue, Haikun Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... on five feature layers with different sizes, so as to realize accurate recognition of small and multi-scale objects. In this paper, both the convolution...

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... image domain LSM. = Fx * rlocal , i where * denotes convolution operator， rlocal is the active local patch of the full model r . By introducing...

Abstract: Seismic Response Interpretation for Heterogeneous Reservoir Models, by P. Fichtl and F. Fournier; #90956 (1995).

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