u s department of the interior minerals management service determination effects federal gas valuation rules february 6 1997 table contents page no executive summary introduction 1 background analysis options 2 recommendation report and 3 section description proposed purpose 4 need 5 alternatives considered developed subsequent to november 1995 9 interviews with natural marketers 10 7 royalty impact option maintaining gross proceeds as basis for using published index prices under rule 11 a percentage factor variation 16 8 other impacts 18 20 appendices appendix assumed payors by zone 21 b 1994 gulf mexico 22 23
