Abstract: How to Improve Location Accuracy When Dealing with Artifacts in Microseismic Event Locations; #90187 (2014)

N. Verkhovtseva

Search and Discovery.com

... the toolstring the shallower they locate. Improper velocity model calibration and wrong phase identification in the signal (picking direct wave while modeling...

The plug drum effect, or why your microseismic events may not be where you think they are

Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish

Unconventional Resources Technology Conference (URTEC)

... decisions. During the velocity calibration process, correctly identifying various phase arrivals in the wave train is crucial, as multiple wave...

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... which are highly dispersive in nature. We show that, it was possible to obtain a reasonable P-wave velocity model by careful preconditioning of the data...

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... strata with a tilted axis of symmetry. Thomsen (1986) gives us a convenient expression for the phase velocity, v, as it varies with direction...

Insights into Mobilization of Shale Oil Using Microemulsion

Khoa, Bui, Yucel Akkutlu, Andrei, Zelenev, Hasnain Saboowala, John R. Gillis, James A. Silas

Unconventional Resources Technology Conference (URTEC)

... to oil phase leads to the development of shear flow of oil. URTeC 2154925 6 z Plate moving with velocity u0 h fluid stationary plate At a continuum...

ABSTRACT: Back to Basics on Broadband Seismic Amplitudes, Phase and Resolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

...ABSTRACT: Back to Basics on Broadband Seismic Amplitudes, Phase and Resolution Andrew Long Back to basics on broadband seismic amplitudes, phase...

Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)

Search and Discovery.com

Abstract: Mobility Control Requirement in Enhanced Oil Recovery Processes, by James Sheng; #90105 (2010)

Search and Discovery.com

Abstract: Full Waveform Inversion for Complex Near Surface Imaging Using SEG Seam II Synthetic Model; #90319 (2018)

Ali A. Mohamed, Abdullatif A. Al-Shuhail

Search and Discovery.com

... sediments that make the problem harder by introducing a complex velocity contrast, complex anisotropy and attenuation problems in addition to strong...

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

...Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia) Andi Kusuma, Florent...

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

.... Thrusting stacks rocks of higher seismic velocity over lower velocity material. Such a velocity contrast results in strong wavefront attenuation...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

... at zone B. The geopressure partition can be foreseen during the prospect generation phase by assessing the corrected interval velocity. This will help...

ABSTRACT: Sub-Basalt Imaging in the Gulf of Kutch; #90118 (2011)

A. N. Reddy

Search and Discovery.com

... and GXT staff thorough, the project particularly during the velocity model building phase and in choosing the appropriate migration algorithm. AAPG...

Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally

Agus Muharam, Frank Musgrove

Indonesian Petroleum Association

... in reservoir velocity ± 500 ft/sec = 6 feet, and Only small error in picking seismic time if polarity and phase are known. Therefore in the ideal...

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... and Phase-shift migration handle velocity fields that vary in time (or depth) only. However, only Depth Migration comprehends lateral velocity variation...

Abstract: Tomography of a Velocity Modeland Location of Microseismic Events with P, Sv and Sh Waves; #90224 (2015)

Malgorzata Chmiel and Thomas Bardainne

Search and Discovery.com

... an S phase gives significant improvement, even with the homogenous velocity model. Our results show that the use of an optimized velocity model and P...

High-resolution near-surface land FWI across the Delaware basin fill zone

Terence Krishnasamy, James Sheng, Ronaldo Florendo, James Beck, Antonio Sierra, Sam Murphy, Jay Siebens, Yvonne Iwo-Brown

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the Delaware basin in the Permian is characterized by interbedded thick deposits of late Permian halite and anhydrite introducing a high velocity layered...

Ultra-Long Offsets Signal a Bright Future for OBN

Duncan Bate, Mike Perz, TGS

GEO ExPro Magazine

... of Mexico (GoM) has always been one of the main engines for driving technical innovation in the offshore oil and gas industry. TGS’s Amendment Phase 1...

Time-Dependent Hydrodynamic Models of Turbidity Currents Analyzed with Data from the Grand Banks and Orleansville Events

A. D. Kirwan Jr., L. J. Doyle, W. D. Bowles, G. R. Brooks

Journal of Sedimentary Research (SEPM)

... in Figure 1. They also cite a flow velocity in excess of 18 m/s for the initial phase of the turbidity current. End_of_Record - Last_Page 386...

Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra

Iswani Waryono, Wahyu Triyoso

Indonesian Petroleum Association

...Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra...

Abstract: Seismic "No-Data Zone", Offshore Mississippi Delta: Depositional Controls on Geothecnical Properties, Velocity Structure, and Seismic Attenuation

Jeffrey A. May, Charles A. Meeder, Anthony R. Tinkle, Kenneth R. Wener

GCAGS Transactions

...Abstract: Seismic "No-Data Zone", Offshore Mississippi Delta: Depositional Controls on Geothecnical Properties, Velocity Structure, and Seismic...

EXTENDED ABSTRACT: Seismic Imaging of Carbonate Formations and Reservoirs – An Odyssey 1971- 2011

Dr. Norman S. Neidell and James Charuk

Houston Geological Society Bulletin

... there is a mystique about them which arises partially from the nature of their genesis: their higher velocity/density (even when geologically young) has made...

Abstract: Least Square Migration in Image domain (LSMi) along with Better Velocity Modeling Improves Subsalt Imaging, Offshore Mediterranean, Case Study; #90319 (2018)

Ivica Mihaljevic, Mohamed Afia, Mahmoud M. Shabana, Mohamed Sheneshen, Hany M. Hussein, Mahmoud Ouda, Amr Ghanem, Refaat Zaki, Satyendra Rana, Maud Maud Cavalca, Laurence Letki

Search and Discovery.com

...Abstract: Least Square Migration in Image domain (LSMi) along with Better Velocity Modeling Improves Subsalt Imaging, Offshore Mediterranean, Case...

High Resolution Processing: From Data Preparation to Imaging and Velocity Models to Inversion

Search and Discovery.com

Yesterday, Today, and Tomorrow in Seismic Exploration

Emil J. Mateker, Jr.

GCAGS Transactions

... information about the type of rocks through which the energy has propagated. Extraction of this information, for example, in the form of velocity...