Field data improvements #1730

Job	Run time
ISO_OP on Julia 1 - ubuntu-latest	37m 12s
ISO_OP_FS on Julia 1 - ubuntu-latest	39m 39s
TTI_OP on Julia 1 - ubuntu-latest	26m 10s
TTI_OP_FS on Julia 1 - ubuntu-latest	2h 6m 34s
BASICS on Julia 1 - ubuntu-latest	13m 41s
ISO_OP on Julia 1.6 - macos-latest	1h 24m 13s
ISO_OP on Julia 1.8 - macos-latest	1h 5m 57s
ISO_OP on Julia 1.9 - macos-latest	51m 44s
VISCO_AC_OP on Julia 1.9 - ubuntu-latest	33m 0s
ISO_OP on Julia 1.10 - ubuntu-latest	34m 3s
	8h 32m 13s

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