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fullbore formation microimager

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Fullbore formation microimager (FMI) logging and gamma ray (GR) curves for the Y08 well in the Zhaotong (Z block). (A) Abrupt bed bases and flame structure (black arrow). (B) Chaotic bedding and deformational fabric at the base. Green and yellow lines in the FMI suggest fractures. MD = measured depth.
Published: 01 June 2023
Figure 8. Fullbore formation microimager (FMI) logging and gamma ray (GR) curves for the Y08 well in the Zhaotong (Z block). (A) Abrupt bed bases and flame structure (black arrow). (B) Chaotic bedding and deformational fabric at the base. Green and yellow lines in the FMI suggest fractures. MD
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Fullbore formation microimager logging, gamma ray (GR, API), and flushed zone resistivity (RXO, ohm.m) curves, and facies interpretation for the Z04 well, southwest periphery of the Sichuan Basin. Fm. = Formation; MD = measured depth.
Published: 01 June 2023
Figure 11. Fullbore formation microimager logging, gamma ray (GR, API), and flushed zone resistivity (RXO, ohm.m) curves, and facies interpretation for the Z04 well, southwest periphery of the Sichuan Basin. Fm. = Formation; MD = measured depth.
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Cores (left) and corresponding fullbore formation microimager (FMI) logging characteristics (right). Four FMI columns (both static and dynamic) from left to right are 0, 120, 240, 360 degree respectively (hereinafter). Numbers at left of FMI are depth in meters. Red ruler in core photo for scale. (A) Baota Formation limestones, Y08 well. (B) Longmaxi Formation sandstones, N11 well. (C) Longmaxi Formation shales, W05 well. (D) Pyrite (Py) and shale lamination, Y08 well. (E) Silt and shale lamination, N11 well. (F) Calcareous (Cal) and shale lamination, Y08 well. (G) Deformed bedding showing slump facies, W05 well. (H) Chaotic and deformed bedding of slump facies, W05 well. (I) Irregular beds and abrupt step-like bed contacting surfaces of slump and slide facies, W05 well.
Published: 01 June 2023
Figure 2. Cores (left) and corresponding fullbore formation microimager (FMI) logging characteristics (right). Four FMI columns (both static and dynamic) from left to right are 0, 120, 240, 360 degree respectively (hereinafter). Numbers at left of FMI are depth in meters. Red ruler in core photo
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Wire-line and fullbore formation microimager logging for the tight sandstone reservoir of the W05 well (∼3243.5–3250 m). Sandstones show low gamma ray (GR), high apparent resistivity (RLA), low clay, low U content, low Th content, low K content, high siliceous content, high permeability, and moved hydrocarbon and gas. BS = bit size; DTCO = compressional wave delay time; HCGR = computed gamma ray; HSGR = standard gamma ray; KINT = intrinsic permeability; MD = measured depth; PEFZ = standard resolution formation photoelectric factor; Q+F+M = quartz, feldspar, and mica; RHOZ = bulk density; TNPH = thermal neutron porosity.
Published: 01 June 2023
Figure 18. Wire-line and fullbore formation microimager logging for the tight sandstone reservoir of the W05 well (∼3243.5–3250 m). Sandstones show low gamma ray (GR), high apparent resistivity (RLA), low clay, low U content, low Th content, low K content, high siliceous content, high
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Facies interpretation based on cores, fullbore formation microimager (FMI) logging, gamma ray (GR), bulk density (RHOZ) and compressional wave delay time (DTCO, value of μt/ft) curves, and mineral composition of the N11 well, in the N area. (A) Turbidite massive sandstone, Ta division of the Bouma sequence. (B) Turbidite sandstone with planar lamination, Tb division of the Bouma sequence. (C) Turbidite sandstone with planar and erosive bases, Tb-Tc division of the Bouma sequence. (D) Slump deposits with clear deformation. (D, E) Slump deposits with deformation fabrics. Red ruler near the core for scale, blue bars near FMI shows the relative location of the cores within the FMI intervals with depths in meters. Ca = carbonate mineral; Q+F = quartz and feldspar; Sst. = sandstone.
Published: 01 June 2023
Figure 7. Facies interpretation based on cores, fullbore formation microimager (FMI) logging, gamma ray (GR), bulk density (RHOZ) and compressional wave delay time (DTCO, value of μt/ft) curves, and mineral composition of the N11 well, in the N area. (A) Turbidite massive sandstone, Ta division
Journal Article
Published: 01 June 1994
Bulletin of Canadian Petroleum Geology (1994) 42 (2): 137–154.
... the orientation of these typically long, narrow and multilinear sandbodies is presented. Borehole imaging techniques based on microconductivity changes in the rock, such as employed by Schlumberger’s Formation MicroScanner (FMS)* and, more recently, the Fullbore Formation MicroImager (FMI), provide detailed...
Journal Article
Journal: Geophysics
Published: 06 January 2025
Geophysics (2025) 90 (2): D47–D59.
... characterization, and stress regime analysis ( Ekstrom et al., 1986 ). Schlumberger’s fullbore formation microimager (FMI) is a popular electrical imaging tool, renowned for its wide borehole coverage. As shown in Figure  1a , the FMI tool operates by measuring currents transmitted from lower to upper electrodes...
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Journal Article
Journal: GSA Bulletin
Published: 12 April 2024
GSA Bulletin (2024) 136 (11-12): 4512–4540.
... and fullbore formation microimager logs are combined with the Andersonian model of faulting and the finite element method, which is widely used for the numerical simulation of stress fields, to investigate the paleotectonic and in situ stress fields via numerical simulation. The quantitative prediction...
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Journal Article
Journal: AAPG Bulletin
Published: 01 June 2023
AAPG Bulletin (2023) 107 (6): 957–988.
...Figure 8. Fullbore formation microimager (FMI) logging and gamma ray (GR) curves for the Y08 well in the Zhaotong (Z block). (A) Abrupt bed bases and flame structure (black arrow). (B) Chaotic bedding and deformational fabric at the base. Green and yellow lines in the FMI suggest fractures. MD...
FIGURES | View All (18)
Journal Article
Journal: AAPG Bulletin
Published: 01 October 2002
AAPG Bulletin (2002) 86 (10): 1709–1732.
..., providing a better pathway of extrapolating from core data to conventional logs for 3-D modeling. The methodology has potential application to other carbonate and siliciclastic reservoirs with appropriate calibration and scaling. Underused HDT, SHDT, FMS, and Fullbore Formation MicroImager (FMI) databases...
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Journal Article
Journal: Geophysics
Published: 23 October 2019
Geophysics (2019) 84 (6): B437–B446.
... and cemented fractures obtained from core interpretation than with either of those showing the two types of fractures separately. However, the rose diagrams of φ 0 estimated from the variation of Δ Q − 1 were more similar to those showing the strikes of open fractures obtained from core and Fullbore Formation...
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Series: AAPG Memoir
Published: 01 January 2012
DOI: 10.1306/13321481M97441
EISBN: 9781629810119
...™), Combinable Magnetic Resonance (CMR-Plus™), Fullbore Formation MicroImager (FMI™), and sonic scanner (Modular Sonic Imaging Platform, or MSIP™)—all manufactured by Schlumberger. The strata around the quarry are horizontally bedded. Borehole logs were used to identify a basic threefold...
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Journal Article
Journal: Geophysics
Published: 31 March 2008
Geophysics (2008) 73 (3): E97–E106.
... ft ) region, which constitutes prior information. Using the mean, variance, and geostatistical-range parameter, our method further constrains the correlation to 18.29 mm ( 0.72 in ) , only seven times larger than Fullbore Formation MicroImager resolution. Thus our method allows further interpretation...
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Well logging curve and core characteristics of typical sedimentary microfacies in the Bashijiqike sandstones. (A) Subaqueous distributary channel microfacies. (B) Mouth bar microfacies. AC = acoustic; FMI = fullbore formation microimager; GR = gamma ray.
Published: 01 June 2017
Figure 5. Well logging curve and core characteristics of typical sedimentary microfacies in the Bashijiqike sandstones. (A) Subaqueous distributary channel microfacies. (B) Mouth bar microfacies. AC = acoustic; FMI = fullbore formation microimager; GR = gamma ray.
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The stratigraphic column and sedimentary environment for the N11 well. Color boxes a, b, and c represent the approximate location of three fullbore formation microimager (FMI) columns. Fm. = Formation; GR = gamma ray (API); MD = measured depth; Q-F-M = quartz, feldspar, and mica; RXO = flushed zone resistivity (ohm.m).
Published: 01 June 2023
Figure 6. The stratigraphic column and sedimentary environment for the N11 well. Color boxes a, b, and c represent the approximate location of three fullbore formation microimager (FMI) columns. Fm. = Formation; GR = gamma ray (API); MD = measured depth; Q-F-M = quartz, feldspar, and mica; RXO
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Prediction of dolostone reservoir types using well logs (well Zhonggu 582). AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS = shallow resistivity.
Published: 01 November 2021
Figure 18. Prediction of dolostone reservoir types using well logs (well Zhonggu 582). AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS = shallow resistivity.
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Calibration of predicted dolostone reservoir types with core and thin section (well Zhonghan 1). AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS = shallow resistivity.
Published: 01 November 2021
Figure 17. Calibration of predicted dolostone reservoir types with core and thin section (well Zhonghan 1). AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS
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Well-log responses and related thin sections of hydrothermal dolostone reservoirs (well Chutan 1). AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS = shallow resistivity.
Published: 01 November 2021
Figure 15. Well-log responses and related thin sections of hydrothermal dolostone reservoirs (well Chutan 1). AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS
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(a) Rose diagram of borehole breakout used for determining the orientation of the maximum principal compressive stress from the Z53 well. (b) Rose diagram of induced fractures from the Fullbore Formation MicroImager (FMI) image of the Z111 well used for determining the orientation of the maximum principal compressive stress (see Figure 1 for the well location).
Published: 01 April 2009
Figure 3 (a) Rose diagram of borehole breakout used for determining the orientation of the maximum principal compressive stress from the Z53 well. (b) Rose diagram of induced fractures from the Fullbore Formation MicroImager (FMI) image of the Z111 well used for determining the orientation
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Prediction of dolostone reservoir types using well logs (well Zhonggu 61). Note that high permeability can be encountered in low-porosity layers because of the presence of fractures. AC = acoustic porosity; CAL = caliper; CNL = neutron porosity; DEN = bulk density; FMI = fullbore formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS = shallow resistivity.
Published: 01 November 2021
formation microimager; GR = gamma ray; Pe = lithodensity; RLLD = deep resistivity; RLLS = shallow resistivity.