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Keywords: resistivity measurement
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Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0006
... the resistivity measurement and leads to underestimation of the hydrocarbon saturation when using conventional Archie’s equation - a common petrophysical challenge in such conditions. The hydrocarbon saturation is an important parameter when calculating reserves and estimating whether a discovery...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5029
... of fairly thin sand and shale layers. The well trajectories range from deviated pilot holes through high-angle tangents. In the wells studied, both propagation and laterolog resistivity measurements and their associated wellbore images were acquired as well as azimuthal GR, density and neutron porosity logs...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5078
... that the design concept can detect these formation properties at any arbitrary wellbore deviation. This paper presents test results from the new technology, together with reference measurements from azimuthally compensated LWD and fully triaxial wireline resistivity measurements. Very good comparison is observed...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-WWW
... resistivity measurement offers significant advantages over the traditional 2Mhz propagation resistivity in water-based mud. When implemented in a drilling collar, these types of sensors can provide not only omni-directional resistivity measurements of much wider ranges and better vertical resolution but also...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-R
... measurement boundary probability resistivity anisotropy resistivity measurement tool locate inversion dip angle interface SPWLA 59th Annual Logging Symposium, June 2-6, 2018 1 SENSITIVITY STUDY AND UNCERTAINTY QUANTIFICATION OF AZIMUTHAL PROPAGATION RESISTIVITY MEASUREMENTS Hanming Wang, Chevron...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-GGG
...SPWLA 58th Annual Logging Symposium, June 17-21, 2017 1 2D RESERVOIR IMAGING USING DEEP DIRECTIONAL RESISTIVITY MEASUREMENTS Michael Thiel, Michael Bower, and Dzevat Omeragic, Schlumberger Copyright 2017, held jointly by the Society of Petrophysicists and Well Log Analysts (SPWLA...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-MMMM
... of the drill-bit, instead of drilling reactively on resistivity measurements at or behind the bit. Through a technology collaboration with Schlumberger, Statoil supported a targeted technology development for measuring resistivity contrasts ahead of the bit in real-time to reduce cost and risk during drilling...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-J
... density and a breccia facies in which dolomitization is common. Jurassic reservoirs show shale intercalation between oolitic beds, generating reservoir subdivisions. This kind of reservoir shows irreducible water variations inside and outside each compartment, and resistivity measurements show decreasing...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-QQQQ
... to interpret LWD resistivity measurements and to adjust the well trajectory in real (logging) time. Numerical inversion results of challenging synthetic and actual field measurements confirm the high stability and superior approximation properties of the developed inversion algorithm. Because of the efficiency...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-LLLL
... the receivers and converted to apparent resistivities (Figure 1). The use of multiple transmitter-receiver spacing and firing at different frequencies enable resistivity measurements to be made at various depths of investigation. The measurements are made axially around the tool axis. Fig.1 Simplified LWD...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-GGGG
... devices coupled with significant software enhancements provided dramatic improvements in well-placement applications in highly deviated and horizontal wells. However, LWD propagation resistivity measurements in these wells often present challenges for the petrophysicist in answering fundamental questions...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-FF
... in HA/HZ wells. Using field examples of HA and HZ wells, this paper documents the application of inversion-based interpretation. We highlight the advantages of joint petrophysical inversion of LWD nuclear and resistivity measurements for improved formation evaluation. The field examples consist...

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