A New Method for Predicting the Position of Gas Influx Based on PRP in Drilling Operations

Table 2

Predicted position of gas influx during MPD operations.

Receive data from IPC				Test result (m)
BP (MPa)	Drilling mud; flow (L/s)	Gas flow (L/s)	Time difference𝑇𝑐 (s)
0.07	38	23.63	10.25	3081
0.11	37	25.12	11.25	3162
0.15	38	15.29	8.75	2925
0.25	45	5.76	7.25	3286
0.27	41	0	0	No gas influx
0.35	37	0	0	No gas influx
0.51	46	0	0	No gas influx
0.61	39	0	0	No gas influx