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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18647-MS
.... To address the uncertainties on reservoir quality and fluid typing, NMR with multi-frequency and multiple depth of investigation (DOI) was planned early on in the development drilling. The Magnetic Resonance Fluid characterization (MRF) maps at three DOIs characterized the signature of synthetic oil base mud...
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(a) <b>DOI</b> time map from asymptotic solution; (b) <b>DOI</b> time map from ECLIPSE; (...
Published: 20 February 2017
Figure 8 (a) DOI time map from asymptotic solution; (b) DOI time map from ECLIPSE; (c) Cross plot of DOI time between asymptotic and ECLIPSE results and (d) DOI Boltzmann variable vs. time for the case with infinite acting radial flow More
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(a) <b>DOI</b> time map from asymptotic solution; (b) <b>DOI</b> time map from ECLIPSE; (...
Published: 20 February 2017
Figure 11 (a) DOI time map from asymptotic solution; (b) DOI time map from ECLIPSE; (c) Cross plot of DOI time between asymptotic and ECLIPSE results and (d) DOI Boltzmann variable vs. time for case with infinite conductivity hydraulic fracture More
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Evaluated <b>DOI</b> values corresponding to the low-frequency cross-component sig...
Published: 17 May 2018
Fig. 12 Evaluated DOI values corresponding to the low-frequency cross-component signal (ImV400k) of the deep-azimuthal resistivity tool for the third scenario. In the case of reservoir roof composed of the shale and water-bearing interlayers, the DOI is approximately 1.25 m. In the case More
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Schematic of the <b>DOI</b> from the EWR-P4 sensor-measure point, TVD at EWR-measu...
Published: 15 December 2005
Fig. 1 Schematic of the DOI from the EWR-P4 sensor-measure point, TVD at EWR-measure point, and TVD at the bit above the top of the carbonate. More
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The right track shows two computations of Sw using the shallow <b>DOI</b> propagat...
Published: 01 November 2010
Figure 6 The right track shows two computations of Sw using the shallow DOI propagation resistivity tool and two density readings (Top density "HDTQ" and Bottom Density "HDBQ"). The resistvity and porosity measurements are not azimuthal. The blue curve shows the decrease in Sw when the top More
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Shown are three different computations for Sw using shallow <b>DOI</b> but not azi...
Published: 01 November 2010
Figure 7 Shown are three different computations for Sw using shallow DOI but not azimuthal resistivity. Three different density measurements were used; the average density measurement around the borehole and the density measurements respectively coming from the top side and from the bottom side More
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It is a zoom-in snapshot of 1000ft from Well3. Using azimuthal similar <b>DOI</b> ...
Published: 01 November 2010
Figure 8 It is a zoom-in snapshot of 1000ft from Well3. Using azimuthal similar DOI measurements provides Sw evaluation around the borehole. The highlighted area exposes the differences between the top (T), bottom (B), left (L) and right (R) computed Sw. More
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Comparison of <b>DOI</b> for SNGD and GGD (MCNP modeling results) for fresh water ...
Published: 08 October 2012
Fig. 15 Comparison of DOI for SNGD and GGD (MCNP modeling results) for fresh water invading a 20-p.u. gas-filled (0.2-g/cm3 methane) limestone formation More
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Vertical hydraulic fracture is incorporated using unstructured PEBI for <b>DOI</b>...
Published: 31 January 2011
Figure 4 Vertical hydraulic fracture is incorporated using unstructured PEBI for DOIG formation of well A-83-L/94-G-09 More
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Diffusion-T 2   maps from the down hole data for the 1.5 inch <b>DOI</b> (left) an...
Published: 11 November 2012
Figure 6 Diffusion-T 2 maps from the down hole data for the 1.5 inch DOI (left) and the 2.7 inch DOI (right). Distributions for T 2 and Diffusion are shown below and to the right of each map, respectively. More
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Well C analysis of three MRF stations: (top panel) a 2-<b>DOI</b> MRF station at 1...
Published: 11 November 2012
Figure 12 Well C analysis of three MRF stations: (top panel) a 2-DOI MRF station at 1.5 inches and 2.7 inches and a well depth of X219; (middle panel) a 2-DOI MRF station at 1.5 inches and 2.7 inches and a well depth of X508; and (bottom) a 3-DOI MRF station at 1.5 inches, 2.7 inches, and 4.0 More
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The new NMR sensor prepolarization for protons in <b>DOI</b> = 1.5, 2, 3 and 4 in....
Published: 24 September 2018
Figure 2 The new NMR sensor prepolarization for protons in DOI = 1.5, 2, 3 and 4 in., respectively. The 1.5- and 2-in. data are more important because they have a higher SNR than the 3- and 4-in. DOI data. More
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Available gradient range and <b>DOI</b> measured from antenna sleeve.
Published: 24 September 2018
Figure 4 Available gradient range and DOI measured from antenna sleeve. More
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An illustration of the depth of investigation (<b>DOI</b>) of the tool for the syn...
Published: 18 April 2018
Figure 2 An illustration of the depth of investigation (DOI) of the tool for the synthetic model (axes in meters). The dark red line segment to the left shows the trajectory that has been drilled; the thin red line segment shows the next proposed trajectory segment. The DOI is illustrated More

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