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The AAPG/Datapages Combined Publications Database

Showing 6,113 Results. Searched 189,018 documents.

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Different Approaches of Combining Geophone and Hydrophone Data From OBC Seismic at Bintuni-Berau Bay, Papua

Tepy Septyana, Yayat Supriatna, Supriyono, Greg Schurter, James Keggin, Jean-Jacques Chameau

Indonesian Petroleum Association

... and horizontal components contain the signal from the appropriate direction (Figure 4). After vector rotation, good noise attenuation became very important...

2010

Abstracts: Borehole Geophone Repeatability Experiment; #90173 (2015)

Peter G. Gagliardi and Don C. Lawton

Search and Discovery.com

... was undertaken on the horizontal components of the data in order to determine the geophone orientation in the well. This was performed using the equation: 2X Y...

2015

Abstract: Orientation Analysis of Borehole Geophones in Vertical and Deviated Wells: Calibration Consistency; #90174 (2014)

Peter G. Gagliardi and Don C. Lawton

Search and Discovery.com

..., resulting in an unknown orientation of their horizontal components once installed. In order to determine the orientation of these borehole geophones...

2014

Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra

Eddy Murhantoro, Jeff Wright

Indonesian Petroleum Association

... of shear-wave energy in the form of direct shear-waves visible on the horizontal components. In contrast, no shear waves could be seen on the dynamite...

1989

Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... hydrophone and geophone measurements to attenuate the effect of ghost reflections from the sea surface. Hydrophone and geophone measurements at 13m...

2013

Abstract: Borehole Instrumentation and Initial Source Test Results at the Priddis Geophysical Observatory; #90224 (2015)

Kevin W. Hall, Kevin L. Bertram, Malcolm B. Bertram, Eric V. Gallant, Don C. Lawton, Gary F. Margrave

Search and Discovery.com

...) and the first horizontal (X) component of the downhole array. This shot was 0.125 kg at 10 m depth near Well 1. After applying component rotation...

2015

Time-Lapse Imaging of Heavy Oil Reservoirs at Shallow and Deep Using Ultra-Stable Seismic Sources; #41994 (2017)

Junzo Kasahara

Search and Discovery.com

... tested 100 m geophone grids and an ACROSS source to image the target reservoir. Imaging resolution of 25 m in the horizontal plane was also required...

2017

Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)

Chuandong (Richard) Xu and Robert Stewart

Search and Discovery.com

...” for the horizontal-vibrator. There are 130 3-component geophone levels ranging from 198m to 1165m. The VSP survey well has a normal sonic log and a low...

2015

High Frequency Borehole Seismic Acquisition and Its Applications for Reservoir Delineation of the Bunyu Field, Onshore Kalimantan, Indonesia

Adriansyah, Patricius Sembiring, Mohammed Badri, Azhar Akhtar

Indonesian Petroleum Association

... plane, and band-pass filtering to maintain high quality frequency components above the noise level. Rotation of the horizontal axes was applied...

2005

Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones

Michael S. Hons

Search and Discovery.com

... of time differentiating an input wavelet and convolving it with a geophone transfer function. A simple phase rotation of this result produces...

Unknown

Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones

Michael S. Hons

Search and Discovery.com

... of time differentiating an input wavelet and convolving it with a geophone transfer function. A simple phase rotation of this result produces...

Unknown

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

...-wave data, the shear-wave splitting is also examined using the horizontal components. After geometric rotation to the radial and transverse components...

2014

Continuous Seismic Time Lapse Trail in Saudi Arabia Using a Seismic ACROSS Source EOR and CCS Applications; #80431 (2014)

Ghunaim Al-Anezi, Junzo Kasahara, Khaled AlDamegh, Omar Lafouza, Khaled S. AlYousef, Fahad Almalki, Ryuichi Kubota

Search and Discovery.com

... by horizontal geophone records by horizontal vibration, although there are no illustrations in this presentation. 17 Figure 13: Time lapse of envelope...

2014

Abstract: P-wave and S-wave Near-surface Characterization in Northeast British Columbia (NEBC); #90174 (2014)

Liliana M. Zuleta and Don C. Lawton

Search and Discovery.com

... (S) which was the result of the shear vibrator on one of the horizontal components of the geophone. The shear vibrator was polarized transverse...

2014

Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

... consist of a hydrophone, a vertical geophone and two horizontal geophones oriented perpendicular to one another. Conventional marine towed streamers...

2002

The Characterization of Fracture Mechanisms Using a Combination of Surface Microseismic Imaging, Microdeformation Modelling, and Downhole Microseismic Mapping: an Examination of the Value of Moment Tensor Migration Imaging

Raquel Velasco, Kit Chambers, Stephen A. Wilson

Unconventional Resources Technology Conference (URTEC)

... of the overburden stress is less than the magnitude of one or both of the two principal horizontal stresses (Walser and Roadarmel 2012). The source...

2014

Laramide Structures in Basement and Cover of the Beartooth Uplift Near Red Lodge, Montana

Donald U. Wise

AAPG Bulletin

... with decoupling of a 6-7-km-thick basement slab may have been responsible for progressively more and more horizontal components of thrusting...

2000

Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia

Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa

Indonesian Petroleum Association

... media, once the two horizontal geophone components of OBN acquisition have been properly rotated to the source-detector direction (radial) and a direction...

2020

Abstract: Data Processing from a Single-Well Microseismic Monitoring in Western Canada Using a Newly Developed MATLAB Based Package (Camps); #90224 (2015)

Jubran Akram and David W. Eaton

Search and Discovery.com

... of this rotation is to maximize P- and S-energy onto the radial and transverse components, respectively. This enables optimization of event-identification...

2015

Abstract: Cross-Validation of 3C and 9C Prestack Shear Wave Splitting Analysis at Big Sky; #90224 (2015)

Jeff P. Grossman and Gulia Popov

Search and Discovery.com

... direction, V = vertical direction. Data acquisition with two orthogonally polarized horizontal source components into two orthogonally polarized...

2015

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... and computing the rotation angle about each of the Z, X, and Y axes. Thereafter, common 45q azimuth traces from each of the horizontal X and Y component...

Unknown

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... and computing the rotation angle about each of the Z, X, and Y axes. Thereafter, common 45q azimuth traces from each of the horizontal X and Y component...

Unknown

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