Temperature Modeling in Deep Sea Appraisal Gas Wells

Hiroshi Fukagawa, Tsuyoshi Raijo

Indonesian Petroleum Association

... in Figure.2 can be expressed as follows [3]: − ∂(ρcT) ∂ 1 ⎛ ⎞ ∂ ∂T ρU⎜ H + U 2 + gxsinθ ⎟ + kg + Q = ∂t ∂x ⎝ 2 ⎠ ∂x ∂x Eq. 1 Since fluid velocity...

Seismic Foldout: Norwegian North Sea: Identifying details of Lower Cretaceous sand fairways on the Måløy Slope

Irina Pene, Silje Rogne, Jaswinder Mann-Kalil, Marit Stokke Bauck, CGG

GEO ExPro Magazine

... of low velocity can be seen throughout the Agat interval, especially at the Duva Field. EXPLOR ATION OPPORTUNITIES Imaging uplift overcomes...

A Quantitative Application of Seismic Inversion and Multi-Attribute Analysis based on Rock Physics Linear Relationships to identify High Total Organic Carbon Shale - A Case Study from the Perth Basin, Western Australia

Y. Altowairqi, R. Rezaee, B. Evans, M. Urosevic

Unconventional Resources Technology Conference (URTEC)

... formations in the north of the Perth Basin. This study shows that the Acoustic Impedance (AI), which is the product of compressional velocity and density...

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

... Basin is poor as the seismic response is complicated by a high velocity anhydrite layer in the near subsurface. In addition to this, large parts...

Geophysical Data for Geologic Study

R. C. Dunlap, Jr.

AAPG Bulletin

..., however, it generally has been impossible to introduce one variable at a time. A given shot had to be recorded with seismometer outputs either mixed...

Geostatistical Integration of Multiscale Data to Construct the Hunton Group GeocellularModel: Upscaling Logs and Downscaling Seismic Impedance Volumes, #42255 (2018).

Benmadi Milad, Abdulmohsen AlAli, Roger Slatt, Kurt Marfurt

Search and Discovery.com

... on the carbonate ramp often exhibits highly variable porosity and lithology resulting in heterogenous production. The generation of an accurate...

Chapter 3: Seismic Data Acquisition, Processing, and Interpretation in the Cook Inlet Basin — Local Geologic and Logistical Impacts

Diane P. Shellenbaum

AAPG Special Volumes

... velocity dependency, the presence of gas, and complicated stratigraphy. Structural and azimuthal components can be addressed in the design and application...

4.0 Structural Implications of Pore Pressure

P. E. Gretener

AAPG Special Volumes

... of Paleozoic age with a strong velocity contrast to the overlying Mesozoic clastics, special geophysical methods have been evolved. Figure 4.1-6 shows...

Numerical simulation of water injection into layered fractured carbonate reservoir analogs

Mandefro Belayneh, Sebastian Geiger, Stephan K. Matthi

AAPG Bulletin

... comprises short joints with variable orientations.Joint Patterns in a Fold HingeAt Kilve, 2.5 km (1.5 mi) west of Lilstock, an anticline...

Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators

Ginger A. Barth, David W. Scholl, and Jonathan R. Childs

AAPG Special Volumes

...Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators Ginger A. Barth, David W. Scholl...

Constraining uncertainty in interpretation of seismically imaged clinoforms in deltaic reservoirs, Troll field, Norwegian North Sea: Insights from forward seismic models of outcrop analogs

Nicholas E. Holgate, Gary J. Hampson, Christopher A.-L. Jackson, and Steen A. Petersen

AAPG Bulletin

... clinoforms is dependent on (1) the frequency of the seismic wavelet; (2) the overburden velocity; and/or (3) the acoustic impedance contrast...

Empirical Determination of Physical Controls on Megafaunal Footprint Formation Through Neoichnological Experiments with Elephants

Brian F. Platt, Stephen T. Hasiotis, Daniel R. Hirmas

PALAIOS

... standard deviation is provided for each coefficient. Variable Variable name Units Intercept v rb hv hv2 Locomotion velocity Sediment dry bulk density...

3-D Seismic Imaging of a Thin, Vertically Isolated Fluvial Depositional System Reservoir In Seeligson Field, South Texas

Virginia M. Pendleton and Bob A. Hardage

GCAGS Transactions

... is fixed in a given cube of earth, and wavelength is the quotient of velocity and frequency, the dominant frequency of the seismic data is the variable...

A depth uncertainty estimation system with prestack seismic data

Huafeng Liu, Andrey H. Shabelansky, Jinsong Chen, Min Yang, Cory J. Hoelting, Ying Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... predicting power away from wells. Another approach is to use a set of seismic models (including velocity and anisotropy) that provides acceptable...

Methods for seismic Sweet Spot Identification, Characterization and Prediction in Shale Plays

Marita Gading, Lars Wensaas, Paul Collins

Unconventional Resources Technology Conference (URTEC)

... have a very large range of compositions, very complex micro-structures and a very variable, vertical nature. Some key controls on shale producibility...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion theory. In the least squares migration algorithm, the migration velocity model (background velocity) will not be updated with the iteration...

A Review of Petrophysics of Cooper Basin Reservoirs in South Australia

Chris Porter

Petroleum Exploration Society of Australia (PESA)

.... Wyllie et a!. (1958) stated in their conclusion: For consolidated rocks saturated with a high velocity fluid at high differential pressure the time...

Abstract: Practical 3D VSP

Fran Doherty

Petroleum Exploration Society of Australia (PESA)

... genera lly contains between five and 20 downhole receiver satellite assemblies. The spacing of these receiver satel lites is variable, but in general...

Basin and Range Seismic Profiles, Railroad Valley, Nye County, Nevada

Norman H. Foster, John H. Vreeland, Eadward D. Dolly

Rocky Mountain Association of Geologists

... AND PROCESSING Data quality in this area is variable due partly to acquisition problems. Extreme lateral variations in the composition of the near...

Simulation of the Seismic Records (DAS) in a Borehole Throughout CO2 Storage Procedures

José Pulido, Yiyu Ni

Unconventional Resources Technology Conference (URTEC)

... disturbances in the seismic velocity field, being a unique technique for monitoring the boreholes and surrounding rock suitable for imaging structures...

Methods in Exploration Series #2: Seismic Models of Sandstone Stratigraphic Traps in Rocky Mountain Basins - Introduction

Robert T. Ryder, Myung W. Lee, Gerald N. Smith

AAPG Special Volumes

... interval: (1) velocity (ft/sec), (2) density (g/cu cm), (3) thickness (ft), and (4) geometry. Our models commonly consist of 5 to 10 well and dry hole...

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... equations to inverts for the ratio of density, P-wave velocity and S-wave velocity using the PP and PS plane wave reflection coefficients. At small incident...

ABSTRACT: Estimation of Net-to-Gross from P and S Impedance: Integration of Petrophysics and 3D Seismic Inversion; #90007 (2002)

Vernik, Lev, David Fisher, Steve Bahret

Search and Discovery.com

... of Mexico (GoM) were used in combination with core velocity measurements and Biot-Gassmann modeling to determine shale and oil sand trends in low...

Improved Exploration, Appraisal and Production Monitoring with Multi-Transient EM Solutions

Search and Discovery.com

... low but at the same time variable within the saturation range that affects seismic velocity most dramatically. The result is a dispersed velocity field...

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... equations to inverts for the ratio of density, P-wave velocity and S-wave velocity using the PP and PS plane wave reflection coefficients. At small incident...