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Microresistivity logs

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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19804-Abstract
...IPTC-19804-Abstract Designing Networks with and for Petrophysicists: Automated Grain Size Prediction from Microresistivity Logs Florian Basier and Kim McLean, Emerson E&P Software Houston, TX; Richard Pelling, Emerson E&P Software Aberdeen, UK Copyright 2020, International Petroleum Technology...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, August 17–19, 2011
Paper Number: SPE-149506-MS
... The microlog is a logging method that can provide formation factor at the well site. The micrologging device comprises a measuring system of small electrodes that are borne pads pressed againts the wall of the bore hole. The device measures resistivity of the formation in the flushed zone...
Proceedings Papers

Paper presented at the SPWLA 33rd Annual Logging Symposium, June 14–17, 1992
Paper Number: SPWLA-1992-BB
... ABSTRACT Two high-resolution well logs may be used with core to improve estimates of porosity and permeability. The microresistivity log from the high-resolution dipmeter and the enhanced-resolution bulk density log can differentiate portions of core cemented with different minerals in gas...
Proceedings Papers

Paper presented at the SPE Latin America Petroleum Engineering Conference, March 8–11, 1992
Paper Number: SPE-23669-MS
... SPE Members Abstract An algorithm for the determination of the true resistivity of thin beds (Rt) has been derived. The algorithm has been obtained using the deep resistivity curve and the microresistivity log. Numerical data modelling corroborate results. A smart computer program provides...
Proceedings Papers

Paper presented at the SPWLA 28th Annual Logging Symposium, June 29–July 2, 1987
Paper Number: SPWLA-1987-I
... ABSTRACT The Micro-Triple-Resistivity (MTR), is a new microresistivity logging device, which measures the resistivities of the invaded zone (Rxo), the mudcake zone (Rmc), and the mudcake thickness (hmc). These three parameters are inferred from three resistivity measurements with three...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2689-MS
... Abstract The thick tight sandstones in ten slim-hole vertical wells were classified to different paleo-current energy deposits by new generation high-definition oil-based microresistivity image logs. The thick tight sandstones were 100 to 300m thick in the Cretaceous Bashijiqike Formation...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-20079-MS
... , Yang Fan , Chen Wei Zhong . etct. Fracture Effectiveness Evaluation of tight reservoir by acoustic and electrical image logs [J] . Journal of Engineering Geophysics, 2012 , 9 ( 3 ): 253 – 257 . log analysis well logging oil-based microresistivity image log gas production...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 18–21, 2019
Paper Number: SPE-194836-MS
... and structural faults in the horizontal wells could be additional reasons for the difference in production. The high-definition oil-based microresistivity image logs in the horizontal wells provided detailed information related to the true stratigraphic drilling polarity and the structural dips surrounding...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177259-MS
... wellbore seismic sedimentary facies microresistivity borehole image log sedimentological description impregnation Upstream Oil & Gas data integration sandstone Drago field society of petroleum engineers image log well logging borehole imaging catalog well dn-22 Oriente Basin integration...
Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, February 25–27, 2014
Paper Number: SPE-167783-MS
... resolution information machine learning Upstream Oil & Gas axial response function well logging nuclear log inversion density log elkington bed value response function increment microresistivity image spe 167783 bed thickness detection boundary cmi image ARF consistency evaluation...
Proceedings Papers

Paper presented at the SPE Russian Oil and Gas Technical Conference and Exhibition, October 3–6, 2006
Paper Number: SPE-100936-MS
... image SPE 100936 Using High Resolution Lithofacies from Spectroscopy Logs and Microresistivity Images to Optimize Formation Pressure, Sampling, and Interference Testing Operations George R. Kear, Anish Kumar, Schlumberger; Eileen Donaghy and Christina Guillory, Shell Oil Co.; Hani Elshahawi, Shell...
Images
Sand count from high-resolution <b>microresistivity</b> <b>log</b> ( S  RES ). Sand net&#x2F;g...
Published: 21 October 2010
Fig. 18 Sand count from high-resolution microresistivity log ( S RES ). Sand net/gross of 13.78, 23.8, 34.65, and 44.67% were obtained for resistivity cutoffs of 2, 1.7, 1.6, and 1.5 Ω m, respectively. The 1.6-Ω m cutoff net/gross of 34.65% gives the closest result to that of NMR (32.63 More
Proceedings Papers

Paper presented at the SPWLA 32nd Annual Logging Symposium, June 16–19, 1991
Paper Number: SPWLA-1991-U
... in nearby wellbores. Slight changes in fracture porosity result in significant changes in coalbed permeability. Information gained about in situ fracture porosity from Dual Laterologs and microresistivity logs is cost effective and can be used to improve coalseam completions and reservoir computer models...
Journal Articles
Petrophysics 32 (06).
Paper Number: SPWLA-1991-v32n6a3
Published: 01 November 1991
.... A correlation between DLL fracture porosity and microresistivity is made in thick coal seams, enabling estimates of fracture porosity to be made in thin coal seams. Examples of logs and production results from Fruitland coal wells in the San Juan Basin of New Mexico are presented. The examples illustrate...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-103113-MS
... deep, the uncertainty in water saturation using the model is greatly reduced compared to interpretation models that use microresistivity logs. Case studies from oilfields around the world demonstrate the utility of triaxial induction measurements for formation evaluation. Data were acquired in a wide...
Journal Articles
SPE Form Eval 1 (05): 521–531.
Paper Number: SPE-13192-PA
Published: 01 October 1986
.... The model can be used in a variety of log interpretation methods for the electromagnetic propagation tool (EPT), with or without microresistivity logs. Introduction The EPT makes borehole measurements of the travel time and attenuation of an 1100-MHz [1,100×10 6 -cycle/sec] electromagnetic wave. 1 The EPT...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29882-MS
... to evaluate residual oil saturation to diminish the uncertain of microresistivity logs. Besides evaluating water saturation, many works have shown other applications for dielectric logging, such as to determine conductivity, salinity, wettability, Archie's "m" and "n" electric parameters, CEC...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-U
... of drilling has been available since the first azimuthal tools were designed and put into use in the 1990s. In water-base muds (WBM), numerous improvements in both the resolution and quality of images have been made, particularly in microresistivity logging tools. The challenge to extend these capabilities...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-466
... of dollars in losses every year (Sayers and Dewhurst, 2008). For the Barnett, image tools such as microresistivity log have been used extensively for formation evaluation and wellbore integrity studies (Waters et al., 2006). This is an essential step for stimulation and completion design. Electrical images...
Proceedings Papers

Paper presented at the SPWLA 30th Annual Logging Symposium, June 11–14, 1989
Paper Number: SPWLA-1989-M
..., including nuclear and microresistivity logs, information from log headings, and cores are used along with the resistivity logs to set up a trial model. Resistivities and invasion and annulus dimensions are then systematically varied within physically realistic limits, until a computed log that is identical...

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