Patent ID: 11867683
Assignee: HITACHI ENERGY LTD
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 6:
7. The method of claim 6, wherein the fault regions within the composite fault region map have the following coordinates in the two-dimensional coordinate system when the relative levels of the first number of gases are plotted as relative percentages of the first number of gases:
T1-O: [(−35, 3.1), (0, 1.5), (0, −3), (−3.5, −3.5), (−6, −4), (−11, −8), (−18.8, −26), (−22.5, −32.4), (−23.5, −32.4)]
T2-O: [(−21.5, −32.4), (−18.8, −26), (−22.5, −32.4)]
T1-C: [(−6, −4), (−11, −8), (−18.8, −26)]
T2-C: [(−6, −4), (−18.8, −26), (−21.5, −32.4), (1, −32.4)]
T3-C: [(−3.5, −3.5), (−6, −4), (1, −32.4), (2.5, −32.4)]
T3-H: [(−3.5, −3.5), (2.5, −32.4), (23.5, −32.4), (24.3, −30), (0, −3)].