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The AAPG/Datapages Combined Publications Database

Showing 8,959 Results. Searched 190,142 documents.

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Full Wave Acoustic Logging: Some Examples

John W. Minear

Southeast Asia Petroleum Exploration Society (SEAPEX)

...-wave acoustic signal is composed of four main types of waves: compressional, shear, pseudo-Rayleigh and Stoneley. Compressional and shear waves...

1984

Abstract: Off-Center Transmitters and Receivers in Acoustic Logging: Modeling and Observations; #90213 (2015)

Denis P. Schmitt and W. Canady

Search and Discovery.com

... be strongly affected. With a dipole source, the interference between the flexural mode and the Stoneley wave can be significant. The effects increase...

2015

Drilling Risks Associated with Hydraulic Fractures and Reactivating Faults due to High Mud Weight/Pore Pressure and Miti (Paper B13)

A. A. Bal, D. Maya, K. K. Kyi, R. Guha, M. I. Gabreldar, D. Abang Indi

Geological Society of Malaysia (GSM)

... Patterson for assistance in processing the the compressional body waves generated by the dipole which allows us to see the fault beyond the borehole...

2012

Analysis of Critically Stressed Fractures and Impact on Field Development in a South Sumatra field

Anzar Syed Islam, Lia Wisanti, Aditi Pal, Budi Satrio, Mohammad Himawan Prakoso, Galih Regi Ramadhan, Anggie Askari Pajabada, Mohamad Taufik

Indonesian Petroleum Association

... the image log. Figure 3 also shows the sonic Stoneley analysis results. Borehole travelling Stoneley waves can be used to determine open fractures from...

2014

Depositional Architecture and Petrophysical Variability of an Oolitic Tidal Sand Shoal: Pennsylvanian (Missourian), Kansas, U.S.A.

Eugene C. Rankey, Hamilton Goodner, John Doveton

Journal of Sedimentary Research (SEPM)

... at the interface between the borehole and the formation. As these waves pass through formations, the borehole wall alternately expands and contracts...

2018

Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic

David E. Sharbak

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... routine. The full wave tools also introduced Stoneley wave logging. The Stoneley wave is a guided (body) wave traveling both down and up the borehole...

1994

Integration of Seismic and Log Data of a Deep Borehole in the Basement Rocks of Northeastern Alberta; #41517 (2015)

Judith Chan, Douglas R. Schmitt

Search and Discovery.com

... tube waves (Figure 4). Data quality becomes increasingly poorer as depth increases due to the poor geophone coupling to the borehole wall in an open hole...

2015

Abstract: Integrated Fracture Evaluation of a Malaysian Basement Well Drilled with the Oil-Based Mud (Poster 23)

Edna Malim, Saifon Daungkaew, Steve Hansen, Aung Than Oo, Riasat Hussain, Simon Christian Kurniawan, Zairul Asrah Zulkefli

Geological Society of Malaysia (GSM)

... results with dual packer wireline formation tester (WFT), Sonic Scanner reflection imaging and Stoneley data. The borehole image was crucial in selecting...

2008

Advances in Sonic Logging … A New 3 Dimensional Acoustic Log Measurement

Frank Wijnands

Indonesian Petroleum Association

... dimensional measurement of acoustic and elastic wave propagation around the borehole. In addition to axial and azimuthal measurements of compressional...

2007

ABSTRACT: Stress Profile Estimation Using Sonic Logs; #90007 (2002)

Xiaojun Huang, Zhenya Zhu, Daniel R. Burns, M. Nafi Toksoz

Search and Discovery.com

... Experiments have long proved that both P- and S-wave velocities of rocks are functions of applied stresses. Borehole sonic logs then surely carry...

Unknown

Prediction of Buried-Hill Productive Carbonate Reservoirs Using Electrical and Acoustic Image Logs, Ordovician Formation, China (I)

Feng-Ming Zhou, Zhao-Wei Si, Fa-Wu Lin, De-Fang Liu, Da-Li Wang, Xian-Ran Zhao, Ping Yan

Unconventional Resources Technology Conference (URTEC)

.... Comparison of Fracture Aperture Computed from Electrical Borehole Scans and Reflected Stoneley Waves: An Integrated Interpretation. The Log Analyst 33(1...

2013

Abstract: Learning From the Past: Experience from Geothermal and Oil Wells in Asia Pacific Region Drilled in the Late 90s; #90295 (2017)

Peter Lloyd

Search and Discovery.com

... Drilled in the Late 90’s Peter Lloyd1 1 Vice President, AAPG Regions, France ABSTRACT This poster will show how electrical borehole images, sometimes...

2017

Basic Open Hole Tools: Part 4. Wireline Methods

Mark W. Alberty

AAPG Special Volumes

..., and Stoneley waves. The velocity of the waves is a function of the elastic properties and the density of the formation. Logs normally present...

1992

Prediction of Depth and Velocity on VSP Data: ABSTRACT

Dale G. Stone

AAPG Bulletin

... in the borehole. Both up and downgoing waves are recorded and are separable. Layers beneath the borehole are recorded in the upgoing waves at every receiver...

1983

Abstract: Microseismic Event Location Accuracy Enhancement using Anisotropic Velocity Models; #90172 (2014)

Michael Jones, Richard Parker, Shawn Maxwell

Search and Discovery.com

... and processed to yield, in addition to Vp and Vs, the shear velocity derived from the Stoneley waves (eg Walsh et al., 2007). This measurement suggests...

2014

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...

2016

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...

1987

Abstract: Advancement in Acoustic Logging Techniques and Applications in Reservoir Characterization; #90120 (2011)

Rahan Hanif, S. Sohaib Zulfiqar, Sadu-ur-Rehman

Search and Discovery.com

... properties around the borehole and tens of feet into the formation. In their early days, sonic measurements were relatively simple. They began as a way...

2011

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