Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

Search and Discovery.com

... in time to get the initial acoustic event location. The influence of a span between the receivers, influence of the velocity model and relative source...

The University of Texas Geophysical Test Site

Bob Hardage

Bulletin of South Texas Geological Society

... surface-based seismic and potential-field experiments can be done in conjunction with downhole and crosswell experiments. The test property...

Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

Search and Discovery.com

... OBC/OBN data and downhole VSP data. For land data, the near-surface is often strongly inhomogeneous and anisotropic. The P-wave first break methods can...

Study on the Downhole Influence Factors of Radio Frequency Identification Technology

Search and Discovery.com

Enhancing Seismic Interpretation Using Crosswell Seismic: Case Study From Indonesia

Tri Handayani, Zeppy Irwanzah, M. Taslim, Sanjeev Dogra, Ajay Nalonnil, Bruce Marion, Pedro Carrillo Reyes

Indonesian Petroleum Association

... and receiver are deployed downhole in separate wells. As a result of the inherent source-receiver geometry, interwell velocity profiling and structure...

Imaging Three-Dimensional Hydraulic Fractures in Horizontal Wells Using Functionally-Graded Electromagnetic Contrasting Proppants

Xu Zhou, Arash Dahi Taleghani, J.W. Choi

Unconventional Resources Technology Conference (URTEC)

.... The far-field methods are represented by microseismic mapping (Puyang et al., 2016, Gonzales et al., 2014), surface and downhole tiltmeter mapping...

Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)

Saul E. Guevara, Gary F. Margrave, and William M. Agudelo

Search and Discovery.com

.... There are two kinds of borehole surveys: downhole, with sources at the surface and receivers inside the borehole, and uphole, the other way around (see...

Super-virtual interferometry for noise elimination on vertical seismic profiling (VSP)

Yicheng Zhou, Yang Cui, Sherif Hanafy

International Meeting for Applied Geoscience and Energy (IMAGE)

... and represented by a red circle on Figure (2a). The downhole array has 24 receivers with 2 m spacing located at the 100meter X-offset and depth ranges from 30m...

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

Zuolin Chen

Search and Discovery.com

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

DARTs and Drones: The Future of Onshore Seismic

Jane Whaley

GEO ExPro Magazine

... seismic data acquisition systems for the oil and gas industry. Their unique technology allowed Total to develop a revolutionary system of receivers...

Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study

A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil

GCAGS Transactions

... sampling rate, channel pitch of 13.96 ft and downhole record length of 9 sec. Data were collected with cable close to log-up tension and, due to well...

Abstract: The Downhole Video Service: Current Open Hole Applications in the Permian Basin

Lee Sanders, Cary Joe Burkhart

West Texas Geological Society

...Abstract: The Downhole Video Service: Current Open Hole Applications in the Permian Basin Lee Sanders, Cary Joe Burkhart 1997 113 The Downhole Video...

Using Crosswell Seismic Tomography to Provide Better Reservoir Resolution in the Wolfcamp Formation in Lea County, New Mexico

Robert L. Martin, Cynthia L. Welch, Greg D. Hinterlong, Jeff Meyer, Randy Evans

West Texas Geological Society

.... Schematic of Tomoseis’ method for collecting crosswell seismic data. Note the downhole source in one well and the multiple downhole receiver arrays...

Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

...Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015) Dong Shi, Ramin Saleh...

How Downhole Temperatures and Pressures Affect Drilling: ABSTRACT

D. J. Timko, W. H. Fertl

AAPG Bulletin

...How Downhole Temperatures and Pressures Affect Drilling: ABSTRACT D. J. Timko, W. H. Fertl 1973 808 809 57 4. (April) End_Page 808...

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user

Search and Discovery.com

.... Alberta [email protected] Abstract/Excerpt Downhole microseismic monitoring was used to measure the azimuth, length and height of a multi-stage...

Mapping Thin Sand Reservoirs in Eastern India

U. K. Guru, M. Krishnamurty, V. C. Ramalah, E. W. Wiltse, Robin Westerman

Southeast Asia Petroleum Exploration Society (SEAPEX)

... is obtained by recording with an array of geophones downhole. The VSP links the surface seismic target with borehole logs, dipmeter and production test...

Abstract: On the Interpretation of Resonance Frequencies Recorded During Microseismic Experiments; #90187 (2014)

Jean Baptiste Tary, Mirko van der Baan, and David Eaton

Search and Discovery.com

... that took place in Northern BC in 2011. During this experiment, 21 stages in two horizontal wells were recorded by 6 downhole geophones, and by 21...

Seismic Resolution in the Mahakam Delta

J. B. Beauchamp

Indonesian Petroleum Association

...) are the amplitude spectra of the downhole signal recorded at depth z and zo (z>zo). f represents the frequency and C is a constant factor so...

Characterizing seismic anisotropy and AVO using walkaway VSP: Willow oilfield, Alaska

Manish Lal Khaitan, Ali Sayed, Shujaat Ali, Trey Wagner, Jonathan Scorer, Brett Wendt

International Meeting for Applied Geoscience and Energy (IMAGE)

... and laterally Figure 1: (a) Walkaway source positions were designed to spatially overlay the downhole receivers. The markers are colored by the surface...

Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic

Sanjeev Dogra, Ajay Nalonnil, Bruce Marion

Indonesian Petroleum Association

... & Deployment A downhole seismic source is lowered into one well and a receiver array or arrays are lowered into one or more adjacent wells. Very high...

Joint Downhole and Surface Microseismic Processing Using 3C Template Relative Migration

T. Bardainne, L. Delmas, N. Belayouni, D. Katz, P.-F. Roux

Unconventional Resources Technology Conference (URTEC)

...Joint Downhole and Surface Microseismic Processing Using 3C Template Relative Migration T. Bardainne, L. Delmas, N. Belayouni, D. Katz, P.-F. Roux...

Hearing with Light!

Paul Wood

GEO ExPro Magazine

... connections rather than carriers such as conventional telephone wires. Fibres have also been used in the oil and gas industry to relay downhole...

VSP Image Adjustment to Stratigraphy and 3-D Seismic, Bob Hardage, #40447 (2009)

Search and Discovery.com

Illuminating Reservoirs With Electromagnetics

Leonard J. Srnka

Indonesian Petroleum Association

... rocks, uses a neutrally-buoyant towed horizontal electric dipole source and multi-component electric and magnetic receivers on the seabed (Constable...