Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #42328 (2018)

Ryan Adhi Putra, Abdullatif A. Al-Shuhail

Search and Discovery.com

... geophone including the effect of elevation as: where 𝐸𝐸𝑧𝑧𝑛𝑛 represents the error in elevation of the nth geophone of the array obtained from a zero...

Coiled Tubing Frac Sleeve Application in the Eagle Ford Shale „ An Optimization of Shale Completions

P. Lee, J. Wendte, I. Gil, H. Sebastian, H. Patel, S. Cadwallader

Unconventional Resources Technology Conference (URTEC)

... and surveillance to optimize shale completions through the use of coil tubing frac sleeves. Furthermore, operational aspects of this alternative...

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

...Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas...

Illuminating Resolution

Paul Wood

GEO ExPro Magazine

... of the location of each receiver for each shot. Within the streamers, the sensors, closely spaced hydrophones, are recorded individually and the effect...

Advancements in Wireline Technology – Past, Present and Future

Kenneth C. Henry

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The susceptibility measurement measures mutual inductance between a transmitter coil and a receiver coil separated as in a two-coil induction sonde...

Ekofisk: First of the Giant Oil Fields in Western Europe: DISCUSSION

L. W. Minturn

AAPG Bulletin

... are stratal surfaces. In this discussion the individual composite record at one data point (which used to be one geophone) is called the seismic curve...

Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods

R. E. Sheriff

AAPG Special Volumes

.... This yields an equation relating the geophone group interval s to the frequency f and the maximum reflection dip d (in milliseconds per unit of distance...

-- no title --

user1

Search and Discovery.com

... compensation effect of least squares migration by comparing the results of conventional one-way wave equation migration and least squares migration...

Groundwater applications of towed TEM in diverse geology at farm scale

David Allen

Petroleum Exploration Society of Australia (PESA)

... through either one or two turns and turnoff of 7 or 11 µS. A 10turn receiver coil with effective area of around 20 m2 is null coupled (expect when booms...

ABSTRACT: High-Resolution Induction Logging--Field Test Results, by David S. Epps and Perry A. Harris; #91031 (2010)

Search and Discovery.com

Closing the loop between acquisition and processing: Data-driven volumetric SNR estimation versus acquisition design predictions

Andrey Bakulin, Ilya Silvestrov, Pierre Leger

International Meeting for Applied Geoscience and Energy (IMAGE)

... may compromise the deeper part, the average deep SNR of G4 and G3 appear identical. Effect of arrays The SSE equation suggests that SNR is controlled...

Analysis of Geophysical Well Logs from the Mariano Lake-Lake Valley Drilling Project, San Juan Basin, Northwestern New Mexico

James H. Scott

AAPG Special Volumes

.... Differences in the magnetic susceptibility of rocks surrounding the probe cause a small but nearly linear change in the inductance of the coil...

VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018).

P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar

Search and Discovery.com

.... The natural frequency of a conventional moving coil geophone, such as the SM4 type, is limited to 10 or 14 Hz. The GAC sensor has a flat frequency response...

Laboratory Measurements of Heat Conductivity of Sedimentary Rocks

H. Zierfuss , G. Van Der Vliet

AAPG Bulletin

... in the laboratory. Fig. 1. Thermal conductivity of various bricks. Table I. EFFECT OF MOISTURE ON HEAT CONDUCTIVITY OF POROUS MATERIAL End_Page 2476...

Using Passive Integrated Transponder (PIT) Tags to Investigate Sediment Transport in Gravel-Bed Rivers

Helene Lamarre, Bruce MacVicar, Andre G. Roy

Journal of Sedimentary Research (SEPM)

... core, a charge capacitor, a resonance capacitor, and the integrated circuit. The antenna inductance and the resonance capacitor form a high-quality...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... and seismic modeling, acoustic impedance logs, stacking velocities from common depth points, applications of wave equation, three-dimensional surveying...

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... of the air molecules surrounding the moving mass. Because the geophone low frequency roll-off is a mechanical effect it will reduce the signal and the ambient...

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... on operator input. When cable systems are used, improper cable to geophone connections can lead to reversed channels and incorrectly identified...

Mapping Shallow Horizons with Reflection Seismograph

L. C. Pakiser , D. R. Mabey , R. E. Warrick

AAPG Bulletin

... the outcrop is the result of the solution of the anhydrite by the circula ing ground water. This postulated solution may have had some effect...

Attenuating non-compressional energy on vertical motion sensors using rotational data

Hassan Masoomzadeh, Fons ten Kroode, Tim Seher, Mohammad Akbar Hosain Zuberi, Alexander Kritski, Harald Westerdahl, Åsmund Sjøen Pedersen, Mark Thompson, Nick Bernitsas, Phil Behn, Philip Baltz

International Meeting for Applied Geoscience and Energy (IMAGE)

..., an upgoing pressure pulse is observed as a positive event in both hydrophone and vertical geophone or accelerometer, while a downgoing pressure pulse...

Evaluation of the Texaco Dielectric Log in Central Sumatra

P. T. Cox

Indonesian Petroleum Association

... 1.0 and has only a small effect on the equation. The L-R equation above is used to generate an Sw chart as shown in Figure 8. Dielectric constant...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

...Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey Michele Buia, Suyang Chen, Olga Zdraveva, Swee...

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... geophone reacts to particle velocity, not to pressure (from Hardage, 1983). Fig. 10. Effect of acoustic impedance on seismic wavelet amplitude. End_Page...

An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys

P. E. F. Gretener

CSPG Bulletin

... geophone cable will be on the drum, having a high inductance and a low capacitance, while for the deep check-shots the Figure 10. Effect of anisotropy...

Research on borehole time-domain electromagnetic ultra-far detection method of electrical source

Zhanshan Xiao, Haitao Hu, Xiaoyu Zhang, Yonghao Zhang, Jianbin Zhao, Chaoqiang Fang, Kun Shao, Chunming Yao, Junjie Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... as to realize the detection of reservoir scale, and to provide technical support for the evaluation of fracturing effect of unconventional reservoir...