Saudi Arabia's production mix will shift to a higher proportion of lighter crudes. Unlike last year's Qatif and Abu Safah developments, nearly all of the proposed projects produce Arab Light or lighter crudes.
They will shift to lighter crudes in higher proportion 
( z1 shift :ARG0 ( z2 they ) :ARG2 ( z3 crude :ARG1-of ( z4 have-degree :ARG2 ( z5 light :ARG1 z3 ) :ARG3 ( z6 more ) ) ) :frequency ( z7 proportion :ARG1-of ( z8 have-degree :ARG2 ( z9 high :ARG1 z7 ) :ARG3 ( z10 more ) ) ) )