CMP domain near-surface velocity model building based on deep learning

Yihao Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... structure, but it shows smoothing effect, especially at the interface. Figure 5c shows the result of our method, which contains obvious sharper...

Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography

Jeremy R. Patterson, Michael Cardiff

International Meeting for Applied Geoscience and Energy (IMAGE)

... al., 2013). Low frequency signals sample far-field regions within the aquifer, smoothing out the heterogeneities to create approximately homogeneous...

Section Five: Use of Gravity Methods on Diapiric Structures

New Orleans Geological Society

... to create a smooth surface. This regional map then is subtracted from the Bouguer map to create a residual map. Methods exist for smoothing the Bouguer...

Changes in Porosity and Organic Matter Phase Distribution Monitored by NMR Relaxometry Following Hydrous Pyrolysis Under Uniaxial Confinement

Kathryn E. Washburn, Justin E. Birdwell, Michael D. Lewan, Michael Miller

Unconventional Resources Technology Conference (URTEC)

... Butler, J., Reeds, J., Dawson, S., 1981, Estimating solutions of a first kind integral equations with non-negative constraints and optimal smoothing, SIAM...

Time of Formation of the Anastasiyevsko-Troitsk Field

M. V. Feygin

Petroleum Geology: A Digest of Russian Literature

.... In the rest of the area the thickness of the sandy-silty rocks is 5-20 m. This process ended with an overall smoothing of the floor of the basin...

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... measurements. In addition, some smoothing of the gather data was performed by summing adjacent gathers, and by summing adjacent offset traces within...

Lithology and Conditions of Formation of the Clastic Unit of the Devonian of Western Bashkiria

D. V. Postnikov

Petroleum Geology: A Digest of Russian Literature

...-clayey rocks composing the upper part of the Pashiy beds seem to veil projections on the top of the sandstones, thus smoothing out irregularities...

Geology-geophysics-data mining solution enhances the identification of deep fault-karst carbonate reservoirs

Fei Tian, Jiangyun Zhang, Wenxiu Zhang, Wenhao Zheng, Wang Zhang, Zhongxing Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... parameter to be simulated, J2 represents the function related to the prior information of geological and logging data, and λ represents the smoothing...

Gravity's Role in a Modern Exploration Program

Gene Greene

Houston Geological Society Bulletin

... or by smoothing several small anomalies into a single large anomaly. With the advent of the computer, many gravity interpreters adopted the ring residual method...

How to Reconcile Security and Safety Issues with Seismic Quality in Obstructed and Populated Areas: Case Study Handil 3D Seismic

Aa Pian Nopiana, Michel Erbetta, Alain Etchemendy, Christophe Paulet, John Conant, Stephan Ruhlmann, Alain Carnemolla, Ganda M. Simangunsong

Indonesian Petroleum Association

... these gaps compensation strategy was put in place (Figure 9) with the following priority: 1. Cross-line offset, by a minimum distance. 2. Smoothing...

Pressure Build-Up Interpretation in Wells with Limited Entry Completions: Unexpected Pressure and Afterflow Response

Reinhard H. Lind

Indonesian Petroleum Association

... bending of the derivative is due to smoothing of the data and the limited resolution of the strain pressure gauge used. The pressure increase during...

Southeast Boundaries of the Tatar Dome

V. A. Klubov

Petroleum Geology: A Digest of Russian Literature

... of the cover and for the top of the basement. Farther to the east the effect of the Bavly sediments is greater, filling in and smoothing out the deep...

High Effort 3D Design for End of Life Field Cravo Norte 3D

Keith Meyerholtz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... resolution without smoothing the data (Vermeer, 2002). On a bin fractionated grid the nominal fold becomes 40 instead of 120. Coincidently, results...

Tectonic Prerequisites for Oil and Gas Exploration in the Paleozoic Sediments of the Chu-Sarysuy Depression

G. N. Nevskiy

Petroleum Geology: A Digest of Russian Literature

... basement. This is connected with erosion of the surface of the Paleozoic rocks and then smoothing out by Mesozoic deposits. The gravity work has confirmed...

Wave Power Gradient: An Approach to Holocene Depositional History

R. S. Murali

GCAGS Transactions

... values (large or small) were rejected and the noise occurring in the raw data was reduced by a three point smoothing technique. In the present case...

Decommissioning and Restoration (D&R) Timing: Is Later Always Better?

Andrew Duncan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... – work aggregation, activity level smoothing, integration with development activities, contracting strat­ egy, and scope definition; • Funding...

Implications of elastic full-waveform inversion for northern Red Sea

Kate Glaccum, Denes Vigh, Kai Wang, Xiaoling Tan, Jennifer Qin, Vivian Robertson, Trevor Ferguson

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the massive halite bodies relative to the heterogenous sections and conditioned with smoothing appropriate to the starting wavenumber. Elastic FWI...

Production Analysis and Forecasting of Vaca Muerta Shale in Argentina: Case History-Based Approach

Leonardo Maschio, S. Maria, F. Herrero

Unconventional Resources Technology Conference (URTEC)

... using a locally weighted URTeC 1965548 4 scatter plot smoothing (LOESS) algorithm (Cleveland et al., 1979). This procedure simplifies...

Principal Features of the Structure and Formation of the Kamsko-Kinel Depression in the Permian Region in Connection with Oil-Gas Possibilities

I. M. Mel’nik

Petroleum Geology: A Digest of Russian Literature

...)–took place during the Tournaisian age, and the complete smoothing-out during middle Vizean time. From this short analysis of the geology...

Pressure Transient for Interference Test Data in Kamojang Geothermal Wells Using New Concept of Fractal Model

Salis S. Aprilian, Doddy Abdassah, Leksono Mucharam, R. Sumantri

Indonesian Petroleum Association

... data which was collected during the test. This phenomenon could be improved by introducing a smoothing technique on the measured data. Conclusions...

Methods of Preparing Areas for Deep Drilling in the Orenburg Region

A. V. Ovcharenko

Petroleum Geology: A Digest of Russian Literature

... with the appearance in the Kungur section of thick strata of salt which on the one hand contribute to smoothing out the sub-Kungur basement and on the other...

Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data

Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... components to update the 𝒗 𝑠 field too. After smoothing the 𝒗 𝑝 model from the previous elastic inversions and creating 𝒗 𝑠 model from...

Application of Interferometric MASW to a 3D-3C Seismic Survey

Shaun Strong, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

... 7 compares these after DC bias removal and smoothing. Each of the statics methods generally suggests larger values in the southern half of the survey...

Deep Subsurface and Oil-Gas Prospects of the Bavly Sediments of the Verkhne-Kama Depression

A. A. Klevtsova, M. I. Ostrovskiy

Petroleum Geology: A Digest of Russian Literature

... pre-late Bavly time. Some discordance (smoothing out, shift) of the lower Bavly forms with respect to the basement, observed, e. g., in the Kiyengop...

Abnormal Pressure Evaluation of the Recent Pliocene and Miocene Gas Discoveries from the Eastern Nile Delta, Egypt, Using 2D and 3D Seismic Data

Philip D. Heppard and Martin L. Albertin

Houston Geological Society Bulletin

... velocities from long regional lines and the Ras El Barr 3D survey. A spatial median filter and heavy smoothing were used to clean up the DMO stacking...