Predicting Cleats in Coal Seams from Mineral and Maceral Composition with Wireline Logs

David J. Johnston, Patrick J. Scholes

Rocky Mountain Association of Geologists

... currently is possible. Furthermore, because of potential borehole damage due to drilling, the microlog should be used with caution. The Stoneley wave...

Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion

Margarita Pavlova

Petroleum Exploration Society of Australia (PESA)

... < Vmud) it can be estimated from Stoneley waves (Market, 2019). Use previously derived transforms: Castagna mudrock line for non-coal and Morcote et...

Coupling Geomechanics and Petrophysical Measurements for Production Enhancement in Organic-Rich Shales

Azra N. Tutuncu, Daisuke Katsuki, Binh T. Bui, Anton Padin, Bryan McDowell

Unconventional Resources Technology Conference (URTEC)

... are surface waves guided by the borehole fluid at the wellbore wall that are excited at low frequencies, typically 200 to 2500 Hz. The Stoneley velocity...

Determination of Geomechanical Parameters from Geophysical Logs: Section IV. Exploration Methods

M. B. Dusseault

AAPG Special Volumes

... use. Of interest, Stoneley waves are attenuated by fissures parallel to the borehole wall, even if the fissures do not directly intersect the borehole...

Frontmatter - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... Logging Company. From 1987 to 1992, Yin joined Stanford Rockphysics and Borehole Physics (SRB) Research Project with focus on experimental rockphysics...

Fit For Purpose Integrated Structural Identification Using Azimuthal Monopole Sonic Waveforms and Vertical Seismic Profiling: The First Case Study From The Vertical Unconventional Well in North Sumatera Basin - Indonesia

Erfandi Adhiansyah, Annisa Nur Mahdiya, Murthala Hatta, Irma Eliza, Barry Albert Lumankun

Indonesian Petroleum Association

... and azimuth are normally extracted from borehole image interpretation. The final objective is to gather a thorough understanding of the formation...

Acoustic Log Measurements in the Lower Eagle Ford Formation in Brazos and Robertson Counties, Texas and Their Implications on Completion Design

Richard Reischman, Scott Brooks, Trevor Willms, Tony L. Albrecht, John J. Walsh, Edgar Arteaga

Unconventional Resources Technology Conference (URTEC)

... modulus from the Stoneley wave (Walsh, 2007). Other missing moduli needed for a full stress characterization have to be estimated using previously...

High Resolution Petrophysics and Geomechanics Workflow - One Key to Optimal Development of Unconventional Reservoirs

Philippe Gaillot

Unconventional Resources Technology Conference (URTEC)

..., borehole images offer a cm-scale vertical resolution alternative capable of capturing beds that are often undetected by scalar logs. In this workflow...

A Simplified Workflow for Estimation of Elastic Anisotropy in Vaca Muerta, #42002 (2017).

Ezequiel Lombardo, S. Cuervo

Search and Discovery.com

... different than the direction of the well. Service companies have proposed procedures based on the estimation of horizontal shear from Stoneley waves...

Abstract: From Surface to Pseudo Borehole Data Interpretation, by A. Riaz and C. P. A. Wapenaar; #90951 (1996).

Search and Discovery.com

Integration of Core Analysis, Logs, Seismic and Dynamic Data in Defining Fracture Reservoir: Case Study Suban Field, South Sumatra

Budi R Permana, Yan Darmadi, Sylvia Yusim, Irvan Rahmawan, Miftahul Firdaus

Indonesian Petroleum Association

... is the electric log that measures the reservoir parameter at the borehole. This log can be wireline or Logging While Drilling (LWD). Surface logging...

Does It Pay to Innovate? An Economic Lookback at the Lifecycle of the Amplitude Play of the Deepwater GOM with Application to other Trends; #51441 (2017)

Mohamed Taha

Search and Discovery.com

... or Extrusive Peridotite Grained Fracture detection by Amplitude and Transit time of the Ultrasonic Borehole Imager. All fractures...

Subsurface Structure of the Eastern Edge of the Zagros Basin as Inferred from Gravity and Satellite Data

Mohamed N. Bushara

AAPG Bulletin

... and potential--a plate tectonic approach: AAPG Studies in Geology 33, 77 p. Beydoun, Z. R., M. W. Hughes Clarke, and R. Stoneley, 1992, Petroleum...

The Evolution of Borehole Imaging: Looking at the past; seeing the future

Eric Paauwe, Ian Smith

CSPG Special Publications

...The Evolution of Borehole Imaging: Looking at the past; seeing the future Eric Paauwe, Ian Smith 1997 214 214...

ABSTRACT: Qualitative estimates of reservoir heterogeneity from borehole imaging techniques

L. Mark Larsen

CSPG Special Publications

...ABSTRACT: Qualitative estimates of reservoir heterogeneity from borehole imaging techniques L. Mark Larsen 1998 113 113...

EXTENDED ABSTRACT: 3D Borehole Seismic Imaging by Prestack Kirchhoff Depth Migration

Paul Bicquart

CSPG Special Publications

...EXTENDED ABSTRACT: 3D Borehole Seismic Imaging by Prestack Kirchhoff Depth Migration Paul Bicquart 1998 252 253...

Characterizing Secondary Porosity and It’s Connectivity in Carbonate Reservoirs Using Electrical Borehole Images

Bingjian Li

CSPG Special Publications

...Characterizing Secondary Porosity and It’s Connectivity in Carbonate Reservoirs Using Electrical Borehole Images Bingjian Li 2001 199 199...

Geocentric Sectoring of LWD Azimuthal Log Data for Improved RDIP and RSTRIKE Analysis: Enhanced Reservoir Navigation and Petrophysical Characterization

James J. Willis, Lauren A. Martz

GCAGS Transactions

... to the wellbore, waves critically refracting along a layer boundary with a fast formation proximal to the borehole may control the first arrivals...

Identification of Fractured Basement Reservoir Using Integrated Well Data and Seismic Attributes: Case Study at Ruby Field, Northwest Java Basin; #20195 (2013)

Made Suardana, Ari Samodra, Arief Wahidin, and Mohammad Rachmat Sule

Search and Discovery.com

... tools FMI and DSI Stoneley. Stearns and Friedman (1972) classified fractures based on genetic nature. There are tectonic fractures, regional fractures...

Gulf Coast Logging

Gunnar J. Teilmann, Robert E. Murphy

New Orleans Geological Society

... zone is usually close to the borehole. Therefore, the SFL* response is, in most cases, largely from the transition zone and only an approximation...

Mapping of Fracture Zones and Small Faults Using VSP and Cross Dipole Sonic in Eastern Siberia Carbonate Reservoirs, Yurubchansky Field, Russia

Sergey Shevchenko, Sergei Tcherkashnev, Maxim Kuznetsov, Tagir Mamleef

Petroleum Exploration Society of Australia (PESA)

... of detection of the fracture zones is often beyond the scale of the 3D data. Although VSP data are limited spatially near a borehole, it is much higher...

Fracture Evaluation in the Austin Chalk

Tom Fett

South Texas Geological Society Special Publications

... devices such as the Borehole Televiewer (or BHTV) have been around for quite some time. The more recent (1986) commercial of microresistivity image...

Fracture Evaluation in the Austin Chalk

Tom Fett

Houston Geological Society Bulletin

... devices such as the Borehole Televiewer (or BHTV) have been around for quite some time. The more recent (1986) commercial of microresistivity image...

Mechanical Earth Modeling and Acoustic Anisotropy Improve the Hydraulic Fracturing Design in the Tanjung Field

Anzar Syed Islam, Cicik Sukma Setya Wahyu, Elvina Agustina, Pedro Artola, Irwan Zuhri, Novantri Duo Ambonito, Nur Indah Fitriani, Slamet Raharjo

Indonesian Petroleum Association

... of the frequency band between the slow and fast shear waves. This result is caused by the redistribution of stresses in response to borehole excavation (Sinha...

Nondestructive testing for wellbore integrity with distributed acoustic sensing

Ivan Lim Chen Ning, Mike Craven, Timothy Tokar, Saptarshi Dasgupta, Paul Benet, Michael Merlino, Craig Feherty

International Meeting for Applied Geoscience and Energy (IMAGE)

... into the wellbore. Here we explore using tube waves as a probing source to monitor and detect anomalous variations in the wellbore. Using tube waves for borehole...