Table 2 Details of the features.

From: Parallel and distributed chimp-optimized LSTM for oil well-log reconstruction in China

Feature

Description

Unit

Gamma-ray (gr)

Natural gamma-ray emissions from the formation

API

Sonic Measurement (DT)

Sonic travel time per unit distance

µs/ft

Neutron Porosity (np)

Porosity estimated from neutron interaction

fraction

Bulk Density (bd)

Density of the formation

g/cc