| queue | Gauge | WITSML SOAP query queue size |
| etp_queue | Gauge | WITSML ETP message queue size |
| request_counter | Counter | Number of SOAP requests made to the WITSML server |
| object_counter | Counter | Number of SOAP objects fetched from the WITSML server |
| active_wellbores | Counter | Number of current active Wellbores in the WITSML server |
| soap_errors | Gauge | Number of failed SOAP related errors |
| etp_errors | Gauge | Number of ETP related errors |
| cdf_latency | Gauge | ETP message processing latency. Calculated from the moment the extractor receives an ETP message until ingestion to CDF CDF |
| total_latency | Gauge | Total latency of an ETP message. Calculated from the source creation time until ingestion to CDF. |
