First EAGE Workshop on Pre-Salt Reservoir: From Exploration to Production 2019
DOI: 10.3997/2214-4609.201982033
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Detecting ahead of bit in a vertical well

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Cited by 3 publications
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“…1) The group of logs denoted as RT compensated resistivity (CRES) represent the traditional resistivity logs included in the deep EM tool (see Figure 1a). The measurements are pro- duced from two transmitter-receiver groups T1 → R2, R1 and T2 → R1, R2 with the symmetric resistivity compensation (Larsen et al, 2019). The phase difference and attenuation of the signals are recorded at 2 MHz and 400 kHz (see Table 1).…”
Section: Synthetic Logs/model Outputsmentioning
confidence: 99%
See 1 more Smart Citation
“…1) The group of logs denoted as RT compensated resistivity (CRES) represent the traditional resistivity logs included in the deep EM tool (see Figure 1a). The measurements are pro- duced from two transmitter-receiver groups T1 → R2, R1 and T2 → R1, R2 with the symmetric resistivity compensation (Larsen et al, 2019). The phase difference and attenuation of the signals are recorded at 2 MHz and 400 kHz (see Table 1).…”
Section: Synthetic Logs/model Outputsmentioning
confidence: 99%
“…For EDAR, the signals are provided in nV and we use the ± sign to distinguish the maximum signal direction. For DTK, the data from the two receivers of the nonazimuthal signal are used to compensate for any receiver sensitivity variation using special design and proprietary technologies (Larsen et al, 2019); the raw signal in decibel (dB) is used.…”
Section: Synthetic Logs/model Outputsmentioning
confidence: 99%