The Health Index Prediction Model and Application of PCP in CBM Wells Based on Deep Learning

Table 4

Principal parameters of 30 failure wells.

Well_ID	Principal parameter 1	Principal parameter 2	Principal parameter 3	Principal parameter 4
E001	dh_press	gas_flow_rate	gas_press	motor_current
E002	dh_press	gas_flow_rate	gas_press	tubing_press
E003	dh_press	gas_flow_rate	gas_press	tubing_press
E004	dh_press	tubing_press	—	—
E005	dh_press	gas_flow_rate	gas_press	tubing_press
E006	dh_press	gas_flow_rate	gas_press	motor_current
E007	gas_flow_rate	pump_speed	water_flow_rate	tubing_press
E008	dh_press	gas_press	motor_current	pump_speed
E009	dh_press	gas_flow_rate	gas_press	pump_speed
E010	dh_press	gas_flow_rate	gas_press	—
E011	dh_press	gas_flow_rate	gas_press	pump_speed
E012	dh_press	gas_flow_rate	gas_press	motor_current
E013	dh_press	gas_press	water_flow_rate	tubing_press
E014	gas_flow_rate	gas_press	pump_speed	tubing_press
E015	gas_flow_rate	gas_pres	tubing_press	—
E016	gas_flow_rate	gas_press	pump_speed	tubing_press
E017	gas_flow_rate	gas_press	motor_current	tubing_press
E018	gas_flow_rate	gas_press	motor_current	water_flow_rate
E019	dh_press	gas_flow_rate	gas_press	motor_current
E020	gas_flow_rate	gas_press	motor_current	water_flow_rate
E021	gas_press	tubing_press	dh_press	gas_flow_rate
E022	dh_press	gas_flow_rate	gas_press	pump_speed
E023	gas_flow_rate	tubing_press	pump_speed	—
E024	dh_press	gas_press	pump_speed	tubing_press
E025	gas_flow_rate	pump_speed	water_flow_rate	tubing_press
E026	gas_flow_rate	gas_press	motor_curren	tubing_press
E027	pump_speed	dh_press	gas_flow_rate	motor_curren
E028	gas_flow_rate	gas_press	torque	tubing_press
E029	dh_press	gas_flow_rate	gas_press	motor_current
E030	dh_press	pump_speed	water_flow_rate	tubing_press