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The AAPG/Datapages Combined Publications Database

Showing 33,054 Results. Searched 195,354 documents.

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Ascending

An integrated wireless system for long-term and real-time subsurface CO2 monitoring

Xiaoliang Li, Chenpei Huang, Miao Pan, Xiaonan Shan, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... wireless monitoring system: 1. Effect of turns of the coil. 2. Effect of AWG wire (different wire radius). Fig.4a shows the receiving voltage signal...

2023

Deep Electrical Prospecting

J. C. Karcher , Eugene McDermott

AAPG Bulletin

... with inductance and resistivity slope functions. Inductance is determined by measuring the time constant of the current decay. Three areas are considered. One...

1935

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

Hezhu Yin

AAPG Special Volumes

... parts being equivalent. After the mutual inductance is removed through careful bucking-coil design or digital data filtering and processing, the X signal...

2011

ABSTRACT: Investigation of the Behavior of Surface Noise within Seismic Arrays of Variable Geophone Density; #90051 (2006)

Ibrahim A. Al-Hokail

Search and Discovery.com

... of non-organized noise manifested by decreasing array efficiency attenuating the noise beyond a certain intra-geophone distance. The effect...

Unknown

Observations of geophone spurious resonance

Steve Hearn, Shaun Strong, Andrew Kinmont

Petroleum Exploration Society of Australia (PESA)

...Observations of geophone spurious resonance Steve Hearn, Shaun Strong, Andrew Kinmont Observations of geophone spurious resonance Steve Hearn* Shaun...

2019

A Novel Method of Deriving Weathering Statics from First Arrival Refractions

G. W. Hollingshead, R. R. Slater

Pacific Section of AAPG

... the interpolation of intercepts between shot points or the simple splitting of these values to separate the shot and geophone components. Some effort is required...

1980

Pulsed Power Plasma Stimulation Technique … Experimental Study on Single Pulse Test for Fractures Initiation

Yue Xiao, Waylon House, Ebru Unal, Mohamed Soliman

Unconventional Resources Technology Conference (URTEC)

..., and tubing perforations. Their purpose was to test the effect of the high-pressure shockwave over a range mimicking common rock properties and current...

2018

Shooting Seismic in Linked Circles

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... ørdnaL nitraM dna nesdnumA essaL "Coil shooting" is a cost-effective technique towards better imaging over small to medium sized exploration areas...

2009

Complex Electrical Conductivity of Mudrocks and Source-Rock Formations Containing Disseminated Pyrite

Siddharth Misra, Carlos Torres-Verdin, Dean Homan, John Rasmus,

Unconventional Resources Technology Conference (URTEC)

...tio of complex-valued induced receiver voltage in the j-th coil and the current flowing in the i-th transmitter coil. 𝐾 𝑖𝑗 used in Equation 3 is compu...

2015

Methods for reducing unwanted noise (and increasing signal) in passive seismic surveys

Tim Dean, Aidan Shem, Mus'ab Al Hasani

Petroleum Exploration Society of Australia (PESA)

...,  Signal strength. If the signal, after the application of the effect of the geophone response, drops below the instrument noise level...

2018

Annulus Cementing with Coil Tubing Packer Methods with Case Study on Sisi Nubi Field

Ramadhani Rachman, Izzad Abidy

Indonesian Petroleum Association

...Annulus Cementing with Coil Tubing Packer Methods with Case Study on Sisi Nubi Field Ramadhani Rachman, Izzad Abidy IPA20-E-100 PROCEEDINGS...

2020

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

... the calibrated geophone and the hydrophone response into a direction where the ghost effect is removed. In other words, the hodogram determines...

2010

Using Multiple Downhole VSP Arrays for Monitoring and Locating Passive Microseisms in the Oil Reservoirs; #41561 (2015)

Zuolin Chen

Search and Discovery.com

... monitoring network composed of multiple VSP downhole geophone arrays in the surrounding wells is calculated. Error analysis illustrates...

2015

Influence of Geological Factors on Longitudinal Seismic Velocities

B. B. Weatherby , L. Y. Faust

AAPG Bulletin

... of calcareous sandstones and shales is substantially higher than that of a normal sand-shale section. The effect of depth on the velocity of a given...

1935

Abstract: Borehole Vibration Response to Hydraulic Fracture Pressure; #90187 (2014)

Andy St-Onge, David W. Eaton, and Adam Pidlisecky

Search and Discovery.com

... vibrations of the casing. The resonant vibrations are linked to the geometry of geophone arrays, which are clamped to the borehole casing with sufficient...

2014

Refraction Statics, A Comparison Among Processing Contractors

Bambang Sudewo

Indonesian Petroleum Association

... using equation (3) and geophone statics with datum elevation D and geophone station elevation E. Shot statics Ss = Gs + Tuh with uphole time Tuh...

1985

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: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

...) Equation 12 can be explained by the effect of noise at low frequency components where the signal to noise ratio is small. At those frequencies, initial...

2014

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...

2018

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...

2016

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...

2010

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...

2011

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...

1982

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...

1992

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