Shale Diagenesis

Eric Eslinger, David Pevear

Special Publications of SEPM

... suggested that the released interlayer water might play a role in hydrocarbon migration and overpressuring. The released waters may also carry silica, Mg...

Seepage pathway assessment for natural gas to shallow groundwater during well stimulation, in production, and after abandonment

Maurice Dusseault and Richard Jackson

Environmental Geosciences (DEG)

... with respect to future gas migration. The pathway outside the casing is of particular concern as it likely leads to many wells leaking natural gas from...

New Fracture Diagnostic Tool for Unconventionals: High-Resolution Distributed Strain Sensing via Rayleigh Frequency Shift during Production in Hydraulic Fracture Test 2

Gustavo A. Ugueto, Magdalena Wojtaszek, Somnath Mondal, Artur Guzik, Dana Jurick, Ge Jin

Unconventional Resources Technology Conference (URTEC)

... a tunable-wavelength laser system. Changes in strain are measured with an extremely high spatial resolution of 20 cm and with high signal-to-noise ratios over...

Field and Modelling Studies of Cambrian Carbonate Cycles, Virginia Appalachians: DISCUSSION

Lawrence A. Hardie, Paul A. Dunn, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

... but instead showed random patterns. In this regard, our own time series scan of their Radford section using maximum entropy spectral analysis (MESA) failed...

Memory-efficient frequency-domain least-squares RTM using low-rank Greens functions via randomized SVD

Daniel E. Revelo, Reynam C. Pestana, Diego F. Barrera, Rodrigo S. Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

.../CNPq; Salvador, Bahia, Brazil SUMMARY Least-squares reverse time migration in the frequency domain (FLSRTM) is capable of producing a high-resolution...

Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)

Kimberley Haar, Robert Balch, Robert Will

Search and Discovery.com

... geologic model is a fundamental requirement for accurate assessment of storage potential and as the framework for simulation modeling of CO2 plume migration...

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

... designed to handle these problems such as dip moveout and steep dip migration, while not perfect solutions, help tremendously in improving the seismic...

True Hybrid 3D

Jeroen Hoogeveen, Kristen Berli, Lars Ivar Leivestad, Tor Åkermoen, Geoex MCG

GEO ExPro Magazine

... infrastructure. Why Quadrant 35? Quadrant 35 is located immediately downdip of, and in the migration pathway of, the world class Troll accumulation...

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... the pre-stack time migration image and the anisotropic pre-stack depth migration image were disappointingly small. With the second processing, we...

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... was repeatedly activated to allow stacking of recordings for improving signal to noise ratio at far offset propagation. The generated wave field...

Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea

Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono

Indonesian Petroleum Association

...-ghosting, gives a clearer continuity image of the basement layer, which at first was only recognized as a noise signal. This finding will certainly...

The Triangle Zone of the Argentine Precordillera: Insights From the Integration of Geological and Geophysical Data; #30445 (2016)

Pablo Giampaoli, Federico G. Spath

Search and Discovery.com

... with low signal to noise ratio due to bad coupling of seismic sources to the terrain, high attenuation and scattering in weathering layer, and steep dips...

Post-stack 3D merging to fast-track regional interpretation … offshore Otway Basin case study

Merrie-Ellen Gunning, Scott Wilkinson, Pei-Fei Chau, Cameron Mitchell, Jennifer Badry

Australian Energy Producers Journal

... of the highest possible quality, for the offshore Otway Basin, within 2 months. The input migrated volumes varied by data extent, migration methodology, angle...

SaltCrawler: AI solution for accelerating velocity model building

Engin Alkan, Yihua Cai, Pandu Devarakota, Apurva Gala, John Kimbro, Dean Knott, Gislain Madiba, Jeff Moore

International Meeting for Applied Geoscience and Energy (IMAGE)

... and overhangs are typically poorly illuminated, showing little to no edge delineation, have an inconsistent seismic loop, have poor signal to noise...

Australia: Depth Reprocessing Rejuvenates Gippsland Basin

Peter Baillie, Paul Carter, Jarrad Grahame, Joe Zhou, Nigel Mudge, CGG

GEO ExPro Magazine

... phase in the latest Cretaceous/Paleocene. Vertical migration, often in excess of two kilometres, is the primary charge mechanism. Trap definition...

Case Study Results From the Integration of MEQ, TFI, and Surface Seismic Attributes.

Charles J. Sicking, Jan Vermilye, Alfred Lacazette, Ashley Fish

Unconventional Resources Technology Conference (URTEC)

... the surface seismic derived fault tracks. The microseismic fracture volumes are computed using a depth migration approach in which a full depth volume...

Abstract: Challenges of 4C Seismic Acquisition and Processing Offshore Sarawak (Paper 21)

Cyril Wong

Geological Society of Malaysia (GSM)

.... The common conversion point varies with both offsets and VpNs ratio. In our processing we solve this by doing pre-stack depth migration whereby we derived...

ABSTRACT: The Masila Fields, Republic of Yemen, by W. A. King, B. R. Mills, Scott Gardiner, and A. A. Abdellah; #90906(2001)

Search and Discovery.com

Abstract: Sedimentology on Mars as Seen by HiRISE; #90063 (2007)

Search and Discovery.com

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

.... This proved to be a sticking point, since, until the background multiple “noise” was removed, it was a bit difficult to resolve the velocity details...

ABSTRACT: BURIED GAS HYDRATES IN THE DEEPWATER OF THE SOUTH CASPIAN SEA, AZERBAIJAN: IMPLICATIONS FOR GEO-HAZARDS; #90024 (2004)

Camelia C. Diaconescu, James H. Knapp, Robert M. Kieckhefer

Search and Discovery.com

.... Processing of these profiles was focused on noise reduction and preservation of true amplitudes, necessary for accurate evaluation of elastic properties...

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

.... This proved to be a sticking point, since, until the background multiple “noise” was removed, it was a bit difficult to resolve the velocity details...

Abstract: Nodal Seismic Acquisition in Cook Inlet, Alaska; #90187 (2014)

Mike Yates and Steve Adiletta

Search and Discovery.com

... to the longest offsets and boost signal to noise as much as possible. The nodal recording system proved more reliable than the cable system in all...

From Chaos to Caves … An Evolution of Seismic Karst Interpretation at the Vorwata Field

Riangguna Eloni, M.R. Husni Sahidu, Ilham Panggeleng, Christopher S. Birt, Ted Manning

Indonesian Petroleum Association

...-Stack Time Migration (Pre-STM) Interpreted as Tower Karst (height ~150m, diameter ~250m) Detailed velocity picking with additional de-noise and de...

Imaging of the Guando Field Colombia in Time and Depth

M.A. Hall, V. Avramovic, J.T. Basick, I. Novianti, D.T. Maucione, P.Kroshko, J.C. Garzon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... precision in its image fidelity to guide the drilling. After some early success with pre-stack time migration (PreSTM) it was decided to attempt pre...