Carbonate Petrophysics Leading to Productivity Analysis in Support of Static Modeling (Paper A8)

F. Zakeria, M. Altunbay, R. Poit, J. Kijam

Geological Society of Malaysia (GSM)

... 1: FZI correlating to density and sonic transit time. Introduction and Methodology No simple/apparent linear-relationship existed between...

Resource-Development and Environmental Challenges for Life on the Space Frontier; #70222 (2016)

William Ambrose, Bruce Cutright

Search and Discovery.com

... materials have benefits for the economics of launch and transit missions and can also serve as temporary accumulation areas for materials transport...

Use of Machine Learning to Estimate Sonic Data for Seismic Well Ties; #42471 (2019)

Thanapong Ketmalee

Search and Discovery.com

... relationship. This process requires sonic transit time data which was acquired in most exploration and delineation wells. However, there are a number...

The Neuquén Super Basin

Ricardo D. Veiga, Gustavo D. Vergani, Ignacio E. Brissón, Carlos E. Macellari, and Héctor A. Leanza

AAPG Bulletin

... organic carbon (TOC) section shows high gamma-ray (GR) response, high sonic transit time (DT), low density, and a low acoustic impedance. Red arrows show...

The Origin of Jonah Field, Northern Green River Basin, Wyoming

Robert M. Cluff, Suzanne G. Cluff

AAPG Special Volumes

... sonic transit time versus depth have been used to identify overpressured zones. The same technique has been proposed to map overpressure compartments...

Prediction of multiple origin overpressure in deep fold-thrust belt: A case study of Kuqa subbasin, Tarim Basin, northwestern China

Changyu Fan, Gang Wang, Zhenliang Wang, Xiaojie Han, Jie Chen, Kuaile Zhang, and Baoshou Zhang

AAPG Bulletin

... pressure using these methods (Zhang, 2011). Based on the Wyllie equation (Wyllie et al., 1956), a new relationship between sonic transit time and depth...

Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... purpose of a velocity survey is to obtain the transit time from surface to subsurface locations, thus providing an essential time to depth correlation...

Rock Physics Modeling Optimizing Well Log and Core Data for the Abadi Gas Field

Shinji Matsuura

Indonesian Petroleum Association

... such as the interval of 3,855-3,885 mMD in the Figure 4 are mainly due to the bad reading of Vs transit time in the bad borehole intervals. In Well-B, high...

Wireline Log Response, Petrography and Reservoir Properties of Cored Intervals: Kugmallit Sequence (Oligocene), Beaufort-Mackenzie Basin, Arctic Canada

F.W. Nentwich, R.W. Yole

CSPG Bulletin

... decreases with improved sorting. Rare carbonate-cemented sandstones are recognized on wireline logs by fast sonic interval transit times and by high density...

Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand

S. Thanatit, S. Ronghe

Indonesian Petroleum Association

... of porosity ( φ ) using the transit time derivative (T) of measured velocity, provided transit time values of matrix (Tma) and fluid (Tfl) are known...

Depth Control of Intrastratal Solution of Heavy Minerals from the Palaeocene of the North Sea

Andrew C. Morton

Journal of Sedimentary Research (SEPM)

... a defined assemblage are as follows: 1. Susceptibility of mineral grains to abrasion in transit, i.e. loss of certain minerals with increasing distance...

Atkinson Field: Barrier Bar or Channel-Fill Sandstone? Evidence from Geologic Well-Log Analysis

Alvin L. Schultz, Gary F. Stewart

Bulletin of South Texas Geological Society

... than in sands of the upper part of the Atkinson. In Zone A the sonic log shows the maximal interval transit time of 105 microsec./ft. In general...

Quantification of Total Organic Carbon Content in Shale Source Rocks: An Eagle Ford Case Study

Adel A. Alqahtani, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... an increase in gamma-ray due to its containment of radioactive materials (e.g. Uranium). In addition, transit time increases and consequently acoustic...

Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India

Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty

AAPG Bulletin

... on the Norwegian shelf based on sonic transit times: Petroleum Geoscience, v. 2, p. 159–166, doi:10.1144/petgeo.2.2.159. Hermanrud, C., L. Wensaas, G. M. G. Teige...

Active Ooid Growth Driven By Sediment Transport in a High-Energy Shoal, Little Ambergris Cay, Turks and Caicos Islands

Elizabeth J. Trower, Marjorie D. Cantine, Maya L. Gomes, John P. Grotzinger, Andrew H. Knoll, Michael P. Lamb, Usha Lingappa, Shane S. O'Reilly, Theodore M. Present, Nathan Stein, Justin V. Strauss, Woodward W. Fischer

Journal of Sedimentary Research (SEPM)

...., The Study of Trace Fossils: Berlin, Springer, p. 229–259. Harris, P.M., and Ellis, J., 2008, Satellite imagery and visualization of the Caicos...

Optimising Drilling and Completions Performance by Applying Core and Physics-Based Models to Drilling Data

Stacy McWhorter, Carl Merkt, Stephen Drylie, Feiyan Chen, Todd Duplantis, Kristopher Farmer

Unconventional Resources Technology Conference (URTEC)

... was to observe the trends in the sonic transit time associated with shale beds and compare this to the normal transit for shale based on standard compaction...

Occurrence and Detection of Abnormal Pressures from Geological and Drilling Data, North Sumatra Basin

A. Aziz, L. H. Bolt

Indonesian Petroleum Association

... correlated to acoustic transit times. The method has worldwide application. Typical well examples are shown. Figure 1. Location Map In the onshore North...

Fluid Dynamics for Cap-Rock Formation in Gulf Coast: GEOLOGIC NOTES

Kinji Magara

AAPG Bulletin

... ft (3,600 m). The cap rock may also be shown by a plot of wireline log responses. Figure 3 depicts such plots of shale resistivity and transit time...

Abstract: Application of Fuzzy Interference Systems for Prediction of the Total Organic Carbon; #91204 (2023)

Ahmed Abdulhamid Mahmoud, Salaheldin Elkatatny

Search and Discovery.com

... for evaluating unconventional resources. More than 500 data points of gamma-ray, formation resistivity, formation bulk density, sonic transit time...

Abstract: Prediction of the Total Organic Carbon Using Artificial Neural Networks and the Spectral Gamma-Ray Logs; #91204 (2023)

Ahmed Abdulhamid Mahmoud, Salaheldin Elkatatny, Ashraf Ahmed

Search and Discovery.com

... on properly scaled resistivity and sonic transit time logs. It is important to mention that ΔlogR could be calculated using density log or sonic log. (2...

Fracture Identification and Evaluation Using S Waves, by Bob Hardage, #40792 (2011).

Search and Discovery.com

Chapter 8: Chimney Rock Shale Member, Paradox Formation, Utah: Paleozoic, Shallow Carbonate-Dominated Shelf-to-Basin Billion-Barrel Source Rocks

K. M. Bohacs, J. M. Guthrie

AAPG Special Volumes

... of the Aneth and its satellite fields are well exposed in outcrops along the San Juan River, near Mexican Hat, Utah (Figure 1). Our information comes from...

Resistivity of Brine-Saturated Sands in Relation to Pore Geometry

W. O. Winsauer , H. M. Shearin, Jr. , P. H. Masson , M. Williams

AAPG Bulletin

.... PRINCIPLE OF MEASUREMENT OF TORTUOSITY It is possible to measure the tortuous lengths of pore channels in a rock experimentally by determining the transit...

Digital Reconstruction and Stratigraphic Evolution of a Microbial-Dominated, Isolated Carbonate Platform (Terminal Proterozoic, Nama Group, Namibia)

Erwin W. Adams, Stefan Schroder, John P. Grotzinger, David S. McCORMICK

Journal of Sedimentary Research (SEPM)

..., AND SCHLAGER, W., 1997, Quantification of topography using a laser-transit system: Journal of Sedimentary Research, v. 67, p. 987-989. BURCHETTE, T.P....

Gas Sampling for Mercury Analysis

Janelle Lawer

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., sample transit time and mud contamination. Mercury scavenging, a process typically occurring via adsorption to exposed surfaces, has the potential...