API RP579 1-1 20m 1-2 2-1 2-2 2-3 2-4 3-1 3-2 PPS PPS 3-3 4-1 4-2 4-3 4-4
SPC
Ex. 29 30 ha Ex. ex. 18ha 52 (18ha 29,000 / = 52 ) 235 81ha
Ex. 1/2
1.5 1.0 ex.100 100 1.5 2 300 200 30 15 (4) (3) (4) (2) (2) (1) (2) (6)