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Keywords: open fracture
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Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0085
... & gas annual logging symposium shale gas wellbore seismic spwla 62 nd annual logging symposium horizontal well lwd acoustic image shale oil borehole imaging open fracture reservoir surveillance spwla-2021-0085 oil shale acoustic impedance unconventional resource economics track 1...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5015
... fluids and materials structural geology upstream oil & gas resistivity image oil-based mud july 29 log analysis hydraulic fracturing drilling operation wellbore seismic standoff image standoff permittivity symposium fracture drilling-induced fracture open fracture fractured reservoir...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-V
... reservoirs and in vertical and inclined wells. One scenario is that of a lateral production well through an unconventional (shale) reservoir, as illustrated in Figure 1. There are multiple reasons to want to understand the fractures in this environment: Open fractures act as conduits for production, while...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-OO
..., then the slow shear would have the most sensitivity to the open fractures. The hypothesis is that the fractures are small enough to change the shear modulus (dipole signal) of the rock and cause attenuation, but not always big enough to see noticeable changes in the fluid movement needed for the Stoneley...
Proceedings Papers

Paper presented at the SPWLA 48th Annual Logging Symposium, June 3–6, 2007
Paper Number: SPWLA-2007-III
... fracture interpretation sonic image fracture permeability reservoir log analysis open fracture borehole breakout Symposium injection microresistivity image SPWLA 48th Annual Logging Symposium, June 3-6, 2007 1 Injection Well Evaluation with Microresistivity Images and Sonic Images...
Proceedings Papers

Paper presented at the SPWLA 47th Annual Logging Symposium, June 4–7, 2006
Paper Number: SPWLA-2006-L
... crudo pesado seal unit structural geology Cuba Offshore Oil Field interpretation Reservoir Characterization microtectonic study axial plane Symposium fracture Microstructure inverse fault franja norte open fracture porosity FMI image Breccia spwla 47 SPWLA 47th Annual Logging...
Proceedings Papers

Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-W
... image logs, although to various degrees due to the different nature of the techniques. Thus, for example, cemented fractures are well visible on optical borehole images while open fractures are more easily seen on ultrasonic borehole images. The electrical borehole images proved to be superior because...
Proceedings Papers

Paper presented at the SPWLA 41st Annual Logging Symposium, June 4–7, 2000
Paper Number: SPWLA-2000-K
... (mixture of calcite and dolomite) and the rock texture (very low primary porosity, closed and open fractures, complex breccia texture and presence of vugs). Despite significant improvements in the estimation of porosity, grain density and true resistivity, conventional log evaluation of water saturation...
Proceedings Papers

Paper presented at the SPWLA 32nd Annual Logging Symposium, June 16–19, 1991
Paper Number: SPWLA-1991-JJ
...- tify essentially all of the images on a borehole televiewer log, a devel- opment which made thetool more popular and increased usage. The achievement of identifying open and partially open fractures suggested the possibility of using the televiewer to locate fault planes by identifying the associated...
Proceedings Papers

Paper presented at the SPWLA 30th Annual Logging Symposium, June 11–14, 1989
Paper Number: SPWLA-1989-U
... ABSTRACT The Micro Lambda logging is a new wireline service which proved to be very efficient in Hungarian oil fields in the detection and quantitative analysis of fractures on the borehole-wall with a capability of distinguishing hydraulically open fractures from non-conductive closed...
Proceedings Papers

Paper presented at the SPWLA 29th Annual Logging Symposium, June 5–8, 1988
Paper Number: SPWLA-1988-XX
... and comparisons of the results with borehole televiewer images and core information are shown. It demonstrates that the method is sensitive to open fractures at any angle and that the vertical resolution can be varied from 6 inches upwards. An additional example using the data acquired with the 8 receiver...
Proceedings Papers

Paper presented at the SPWLA 25th Annual Logging Symposium, June 10–13, 1984
Paper Number: SPWLA-1984-S
... ABSTRACT Acoustic waveform logs are recorded in development wells as an aid to the identification of open fractures in a reservoir. The different modes present on the waveform are identified and the velocity and amplitude spectrum of compressional and shear headwaves are used...
Proceedings Papers

Paper presented at the SPWLA 24th Annual Logging Symposium, June 27–30, 1983
Paper Number: SPWLA-1983-QQ
... interpretation log analysis open fracture amplitude log application borehole elongation well logging borehole televiewer borehole Symposium fracture sonde SPWLA TWENTY-FOURTH ANNUAL LOGGING SYMPOSIUM, JUNE 27-30, 1983 INTERPRETATION AND APPLICATION OF BOREHOLE TELEVIEWER SURVEYS by T. J. Taylor...
Proceedings Papers

Paper presented at the SPWLA 21st Annual Logging Symposium, July 8–11, 1980
Paper Number: SPWLA-1980-DD
... of fractures which appear open on the acoustic televiewer and television logs is a 20 to50 percent reduction in tube wave amplitude, with nearly complete tube wave amplitude reduction adjacent to several intensely fractured zones. The presence of open fractures also strongly affect wave energy arriving...

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