ABSTRACT: THERMAL EVOLUTION OF ORGANIC MATTER AND SECONDARY HYDROCARBON GENERATION FROM UPPER PALEOZOIC COAL MEASURES IN HUABEI AREA

Liquan Zheng, Xianqing Li, Ningning Zhong, Xia Lu, Xiangkun Guo

The Society for Organic Petrology (TSOP)

... in the areas where the tectonic-magmatic activities are weak after the period of coal formation. 4.The strip of coal rank has obvious directivity. Especially...

ABSTRACT: A New Gradient Operator with Applications in Geophysics, by Alfaraj, Mohammed; Wang, Yuchun E.; Luo, Yi; #90141 (2012)

Search and Discovery.com

Acquisition trial of deep smart DAS uphole: Evaluating high-productivity drilling with dual rotary and fiber cable deployment

Andrey Bakulin, Ezzedeen Alfataierge, Richard Berquist, Francois Hermal

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the shallowest traces due to the near-field effect and offset source. Finite-difference simulation with proper DAS gauge length and directivity modeling...

3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... probably will occur in the Alpha north and the Gamma area. Consequently a good in-line directivity is desired, i.e. the source energy will be focused...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... (𝑹 ∙ 𝛻𝑃)} = 𝑆 , (1) 𝑃 𝑃 where 𝑃 is pressure, 𝑉 𝑃 is velocity, 𝑆 is the source, and 𝑹 is a vector reflectivity. It is the first Laplacian...

DAS seismic monitoring of the shallow CO2 controlled-release experiment at the South West Hub In-Situ Laboratory

K. Tertyshnikov, R. Pevzner, B. Freifeld, L. Ricard, A. Avijegon

Petroleum Exploration Society of Australia (PESA)

... and general application to seismic exploration. The approach uses fibre optic cables to record seismic energy; such receivers have a certain directivity...

Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study

A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil

GCAGS Transactions

...) utilizes geophones strung at various depths within a borehole to record shots from a rig-deployed air-gun source, in the case of a Zero Offset VSP...

Feasibility and QC of 4D Reservoir Monitoring Projects

Andrew Long, Per Arild Reksnes, Barbara Kajl, Martin Widmaier, Sverre Strandenes

Petroleum Exploration Society of Australia (PESA)

... number of streamers separated by 25m (bin -sizes as smal l as 6.25 m x 6.25 m). Furthermore, single-source acquisition has become cost-effective...

AVA on communication cables: Principles and Examples from the North Sea

Ran Bachrach, Ali Sayed, Andrea Murineddu, Pilar Di Martino

International Meeting for Applied Geoscience and Energy (IMAGE)

... be extracted from S-DAS. Correcting for sensor directivity in S-DAS data is critical for accurately determining AVA and subsurface properties. Results...

Abstract: Remote Classification of Seabed Types Derived from Interferometric Sonar Data, by S. Hadden and C. Green; #90923 (1999)

Search and Discovery.com

Abstract: Towards Using Seismic Moment Tensor Inversions to Infer Reservoir Rock Properties; #90174 (2014)

Adam M. Baig, Ted I. Urbancic, Eric von Lunen, and Jason Hendrick

Search and Discovery.com

... the propagation of the event away from the source. The source term contains a directivity described by the moment tensor that, in turn, describes the radiation...

Thermodynamic Basis for Regularity in the Distribution of Oil and Gas Fields

M. A. Lipovskiy

Petroleum Geology: A Digest of Russian Literature

... of formation of pools and from the point of view of possible chemical processes of formation of oil and gas from source material. This problem has not yet...

Marine Seismic Data Acquisition: Part 7. Geophysical Methods

James F. Desler

AAPG Special Volumes

... seismic data acquisition techniques and capabilities have advanced at a rapid pace over the past few years. Today the typical marine seismic source is much...

High-resolution classification of subsurface features from directional image gathers, based on Principal Component Analysis and Deep Learning methods

Search and Discovery.com

Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method

Tilman Klver, Torben Hy

International Meeting for Applied Geoscience and Energy (IMAGE)

... by different sources. This method provides significant improvements in source-side sampling both inline and crossline without penalty on acquisition...

Multi-Source Design and Penta Source Case Study from the NWS Australia

Edward Hager, Phil Fontana

Petroleum Exploration Society of Australia (PESA)

... the spacing as this would give rise to source directivity problems. Making the spacing narrower would result in smaller cross-line bins which would only...

The application of phased-array vibrator system in deep seismic exploration

Minghao Yu, Xiangbo Gong, Xiaojie Wan

International Meeting for Applied Geoscience and Energy (IMAGE)

... acquisition, seismic source directly affects the exploration effect of deep seismic exploration. Combined with the specific model, we simulate the seismic wave...

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... to estimate source and receiver term responses, and apply signature wavelet compensation to produce traces with a consistent seismic wavelet. SCD can address...

Expected Ground Shaking Intensities from a Magnitude 7 Earthquake on the Monte Vista-Shannon and Santa Clara Thrust Faults, Santa Clara Valley, Santa Clara County, California

Kenneth W. Campbell, Paul C. Thenhaus, Eugenia M. Sangines, Hope A. Seligson

Pacific Section SEPM

... ground shaking caused by the nearsource effects of source directivity (focusing) and radiation pattern. Based on the results of this study, we suggest...

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... characteristics of the refraction and reflection waves and their inherent different directivity resolution within the JRR tomography, results in higher...

Exploring naturally fractured reservoirs: A case study

Anand Prakash, Manayer Al-Abdullah, Abu Ghneej Ali Faleh Naser, Al-Otaibi Talal Mutlaq Mohammed, Bhaskar Chakrabarti, Rinaldi Mulyono, Vishnu Chilumuri, Al-Meshilah Thuwaini, Talal F. Al-Adwani, Amar Nada Mohamad Amar, Al-Otaibi Ahmad Homoud

International Meeting for Applied Geoscience and Energy (IMAGE)

...’ are excellent source rocks and unconventional shale hydrocarbon reservoirs. The Lower, Middle and Upper Najmah Limestone units mainly consist...

Full-waveform inversion derived prestack reflectivity gathers

Jian Mao, Xin Cheng, Denes Vigh, James Xu, Qiaofeng Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... with frequency and acquisition directivity, it can achieve higher amplitude fidelity for AVO analysis than conventional migration methods. Introduction Full...

'Willy And Flipper' On Front line Of Anti-Seismic Campaign

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... directivity effects, they actually focus the acoustic energy downward and it attenuates very rapidly as you go away from the vertical. If an animal...

Application of generalized radon transform migration to crosswell seismic geometry

Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a magnetically clamped Z-Trac source (Nalonnil et al., 2013) that uses two orthogonal horizontal force downhole vibrators to generate seismic signal...

ABSTRACT: An iterative method for identifying seismic objects by their texture, orientation and size; #90007 (2002)

Paul Meldahl and Roar Heggland, Bert Bril and Paul de-Groot

Search and Discovery.com

... (e.g. Meldahl, 1998) we do not need to limit the directivity strength to avoid smearing, because we can focus on specific object types...