2022年4月5日 · The density–neutron log is a combination log that simultaneously records neutron and density porosity. In some zones, porosities recorded on the logs differ for three reasons: …

Characterize formation porosity and lithology while drilling. The adnVISION azimuthal density neutron service provides real-time apparent neutron porosity, formation bulk density, and …

2022年11月1日 · These five boosting algorithms were configured to model the measured discrete lithofacies distribution using raw well-log data consisting of gamma-ray (GR), caliper (CALI), …

The neutron log is used mainly for lithology identification, porosity evaluation, and the differentiation between liquids and gases when used in combination with density log. On cross-

2018年9月24日 · Log While Drilling (LWD) Density-Neutron allow to calculate, in real/near real time, a continuous porosity and shale volume curves. Sometimes log acquisitions from …

The most commonly used neutron log is the compensated neutron log which has neutron source and two detectors. It also directly displays value of porosity. Schlumberger and Halliburton …

It has a balanced and believable behaviour of rock shaliness, showing higher resolution details than the GR log. The neutron to density difference method usually does not need corrections …

2015年5月22日 · Neutron-Density (NEU-DEN) - differentiate between water, oil and gas phase. Caliper (CALI) - gives continuous measurement of the size and shape of a borehole along its …

2021年9月2日 · There are a plenty of open hole logs (gamma ray (GR), resistivity (RES), neutron/density (Neu/Den), caliper (CALI) and sonic (DTC)) for the four wells. The available …

2023年8月29日 · To take into account the correlation between log sequences and achieve computational parallelism, we propose a novel deep learning framework for missing well log …