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Keywords: well logging
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Journal Articles
SPE Form Eval 12 (04): 271–279.
Paper Number: SPE-36538-PA
Published: 01 December 1997
... member sequence well logging shale spe formation evaluation reservoir venezuela bloque iv flooding surface permeability sea level reservoir characterization study area subdivision log analysis correlation lagunilla formation reservoir surveillance drilling operation resource in place...
Journal Articles
SPE Form Eval 12 (04): 235–240.
Paper Number: SPE-36508-PA
Published: 01 December 1997
... anisotropic formation conductivity thinly resistivity well logging shale laminae laminae sand-laminae resistivity sequence deviation angle shoulder bed sand fraction induction log response dip deviation angle anisotropy upstream oil & gas structural geology annual logging symposium...
Journal Articles
SPE Form Eval 12 (03): 170–174.
Paper Number: SPE-30978-PA
Published: 01 September 1997
... determined models, multiple variable regression, and artificial neural networks, respectively. We apply all three methods to well log data from a heterogeneous formation and compare the results with core permeability, which is considered to be the standard. Our comparison focuses on the predictive power...
Journal Articles
SPE Form Eval 12 (02): 109–118.
Paper Number: SPE-25807-PA
Published: 01 June 1997
... in the area. 23 3 1993 4 4 1994 28 1 1997 1 6 1997 1 6 1997 Copyright 1997, Society of Petroleum Engineers observation well sandstone reservoir gas saturation correlation enhanced recovery injection well logging upstream oil & gas injection well log analysis...
Journal Articles
SPE Form Eval 12 (02): 95–100.
Paper Number: SPE-30607-PA
Published: 01 June 1997
... analysis high-resolution clay indicator reservoir saturation permeability mineral porosity conductivity well logging clay content resolution analysis result herron correlation upstream oil & gas geochemical analysis assumption geochemical characterization structural geology reservoir...
Journal Articles
SPE Form Eval 12 (02): 101–107.
Paper Number: SPE-30558-PA
Published: 01 June 1997
... reservoir characterization evaluation plate clearance fluid dynamics well logging log analysis Previous investigations 1 – 3 indicate that spatial variability in the aperture of natural fractures contributes to nonuniform single- and two-phase fluid flow within fractures. A recent article 3...
Journal Articles
SPE Form Eval 12 (02): 77–83.
Paper Number: SPE-30545-PA
Published: 01 June 1997
... measurements are within a very reasonable 10%. 1 11 1995 12 12 1996 27 1 1997 1 6 1997 1 6 1997 Copyright 1997, Society of Petroleum Engineers puc method puc measurement reservoir characterization transducer overburden gradient laboratory well logging sonic log...
Journal Articles
SPE Form Eval 12 (01): 65–72.
Paper Number: SPE-22694-PA
Published: 01 March 1997
... is significantly greater than for the vertical wells. TABLE 1 STATISTICS OF POROSITY AND PERMEABILITY CORE AND LOG WELL DATA Well Number of Data Mean (% or md) Std. Dev. (% or md) Coeff. of Variation Intermittency R/S Analysis Exponent Box Counting Vertical Wells Log Derived Porosity...
Journal Articles
SPE Form Eval 12 (01): 27–31.
Paper Number: SPE-26277-PA
Published: 01 March 1997
... is 1.0, permeability becomes a function of formation factor only. Water saturation and apparent formation factor are the parameters that can be calculated from well logs. When water saturation and apparent formation factor are known, permeability can be estimated from the suggested relationship. Data...
Journal Articles
SPE Form Eval 12 (01): 32–39.
Paper Number: SPE-28447-PA
Published: 01 March 1997
... in turn possessed a corresponding hierarchy of permeability variation. The link between the geology and permeability was found to be very important in understanding well logs and core data and subsequent permeability upscaling. We found that the small scale (cm) permeability variability was better...
Journal Articles
SPE Form Eval 11 (04): 211–217.
Paper Number: SPE-28426-PA
Published: 01 December 1996
... 1996 1 12 1996 Copyright 1996, Society of Petroleum Engineers anisotropic formation resistivity sequence anisotropy effect resistivity tool log analysis deviation angle horizontal resistivity vertical borehole different frequency well logging upstream oil & gas...
Journal Articles
SPE Form Eval 11 (04): 263–271.
Paper Number: SPE-30158-PA
Published: 01 December 1996
... database to capture implicit relationships between core-derived HU's and various well log measurements. Information from the database is drawn statistically to infer HU distributions at target logged wells. The method is applied to two heterogeneous reservoirs, a carbonate formation, and a laminated...
Journal Articles
SPE Form Eval 11 (02): 89–93.
Paper Number: SPE-28366-PA
Published: 01 June 1996
...G. C. Borgia Summary Nuclear magnetic resonance (NMR) of 1 H nuclei of liquids in saturated porous rocks furnishes an increasingly important tool in core analysis as well as in well-logging. In particular, there are several basic questions regarding NMR downhole logging in reservoir sandstones...
Journal Articles
SPE Form Eval 11 (02): 75–79.
Paper Number: SPE-24737-PA
Published: 01 June 1996
... 1996 1 6 1996 Copyright 1996, Society of Petroleum Engineers gamma ray ls detector count rate nucleus detector spe formation evaluation well logging rin pulsed neutron log hydrogen nucleus density log analysis pnc log reservoir capture cross section spaced detector count...
Journal Articles
SPE Form Eval 11 (02): 69–74.
Paper Number: SPE-25513-PA
Published: 01 June 1996
... profiles of resistivity and water saturation, are created in the formation surrounding the borehole. Therefore, the data from well logs change with time. By observing and analyzing the changes in log data vs. time, one can estimate formation permeability. 7 5 1993 31 5 1994 10 1 1996 1...
Journal Articles
SPE Form Eval 11 (02): 80–88.
Paper Number: SPE-24686-PA
Published: 01 June 1996
..., and providing formation Q logs. All of these applications have arisen from studies of wellbore resonance phenomena through well logging and laboratory experiments. One means of study has been the wellbore excitation log, which shows the foot-by foot response of the wellbore to swept-frequency excitation across...
Journal Articles
SPE Form Eval 11 (01): 19–25.
Paper Number: SPE-25906-PA
Published: 01 March 1996
... Copyright 1996, Society of Petroleum Engineers well logging reservoir geomechanics initiation pressure minimum stress flow rate test interval drillstem/well testing the packers spe formation evaluation pressurization rate injection fracture step-rate test mpa hydraulic fracturing stress...
Journal Articles
SPE Form Eval 11 (01): 46–54.
Paper Number: SPE-28383-PA
Published: 01 March 1996
... wave in2u log analysis mo-2 well logging in2l upstream oil & gas mo-3 treatment well The late and middle Miocene diatomaceous oil fields in the San Joaquin Valley, California, are located in Kern County, some forty miles west of Bakersfield. The largest oil volumes are found...
Journal Articles
SPE Form Eval 11 (01): 41–45.
Paper Number: SPE-27648-PA
Published: 01 March 1996
... neutron log well logging normalization procedure porosity transform equation average porosity value standard deviation reference log In many instances, field development has taken place over decades. This period will span many different field practices and logging technologies and, usually...
Journal Articles
SPE Form Eval 10 (04): 255–258.
Paper Number: SPE-21411-PA
Published: 01 December 1995
... 2 1994 1 12 1995 1 12 1995 Copyright 1995, Society of Petroleum Engineers well logging flooding hydrocarbon flood agent reservoir monitor log effective porosity co 2 fraction water saturation porosity cross section neutron porosity saturation monitor porosity...

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