Hyperion - Client

May Hyperion Daily Production Update

Written by Ed Muir | May 22, 2026 1:00:03 PM

This month's update is a quiet one. We have refreshed our regressions against the latest state-reported data, and the results indicate our existing model is tracking well — no subregion required material revision. These changes will be live the morning of 22 May 26.

L48 Changes

Our L48 production estimate has been revised upward by an average of 0.01 Bcf/d since August 2025, and the current-day estimate has likewise increased by 0.01 Bcf/d. The net effect at the L48 level is negligible, and no individual subregion saw any material changes (i.e. this is not a result of offsetting regional changes).

 

As usual, if you have any questions, please reach out to support@synmax.com.

Appendix: Updated Alignment Dates

When fitting our daily production estimates, we consider two key dates for each subregion:

  • State alignment cutoff: the date up to which we align our daily production estimates to state-reported production.  On this day and prior the daily production model monthly averages are guaranteed to match state data.
  • Last fitted date (or "last good" date): the date up to which we regress against the state data. The last fitted date can sometimes extend beyond the state alignment cutoff — this occurs when we are modeling reporting delays and therefore fitting against our own version of the state data (as discussed here).

The current alignment dates by subregion are shown below:

Sub Region Last Fitted Date State Alignment Cutoff
Wyoming 01 Dec 25 01 Dec 25
WV 01 Dec 24 01 Dec 24
West - TX 01 Jan 26 01 Dec 24
SW PA 01 Feb 26 01 Feb 26
South - TX 01 Jun 25 01 May 25
S LA 01 Nov 25 01 Nov 25
SanJuan-CO 01 Oct 25 01 Oct 25
Permian-NM 01 Feb 26 01 Feb 26
OK 01 Jan 26 01 Jan 26
OH 01 Dec 25 01 Nov 24
North - TX 01 Dec 25 01 Jun 25
North Dakota 01 Mar 26 01 Mar 26
N LA 01 Oct 25 01 Oct 25
NewMexico 01 Feb 26 01 Feb 26
NE PA 01 Feb 26 01 Feb 26
MS 01 Dec 25 01 Nov 25
MI 01 Nov 22 01 Nov 22
KS 01 Sep 25 01 Sep 25
Haynesville - TX 01 Aug 25 01 May 25
Haynesville - LA 01 Aug 25 01 Sep 24
GOM 01 Jun 25 01 Jun 25
Colorado wo SJ 01 Oct 25 01 Oct 25
Central - TX 01 Sep 25 01 Apr 25
AR 01 Dec 25 01 Dec 25
AL 01 Oct 22 01 Oct 22