---
type: "Bill"
title: "ENERGY/CONSERVATION: Authorizes unitization for carbon dioxide sequestration"
description: "ENERGY/CONSERVATION: Authorizes unitization for carbon dioxide sequestration"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2024"
identifier: "HB 966"
citation: "Louisiana HB 966 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Brett Geymann"]
version_count: 12
action_count: 34
vote_count: 6
first_action: "2024-04-10"
last_action: "2024-06-11"
source: "openstates"
source_identifier: "ocd-bill/a2baebb4-2bd4-4342-9d37-bb85bc1c3854"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=247259"
source_hash: "ae8a83f8196c2954a897af6caaf517f68039c70bcb8ac06ceaac542125ede8cd"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-la"]
---

# Louisiana HB 966 (2024) — ENERGY/CONSERVATION: Authorizes unitization for carbon dioxide sequestration

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **HB966 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1363963)
2. **Conference Committee Report, #5180, House Adopted, Senate Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1378754)
3. **HB966 Act 645** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1382374)
4. **HB966 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1364094)
5. **HB966 Reengrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1366382)
6. **House Floor Amendment, #3021, Carter, Robby, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1365529)
7. **House Floor Amendment, #3037, Carter, Robby, Rejected** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1365539)
8. **House Floor Amendment, #3114, Geymann, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1365931)
9. **Senate Committee Amendment, #2800, NATR, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1370507)
10. **Senate Committee Amendment, #2897, NATR, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1371001)
11. **Senate Legislative Bureau Amendment, #3027, BUREAU, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1371634)
12. **HB966 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1381204)

## Votes

- ADOPT CONFERENCE REPORT (#1645) — **85–7** (pass) · lower
- FINAL PASSAGE (#1066) — **38–0** (pass) · upper
- REJECT SENATE AMENDMENTS (#1385) — **93–0** (pass) · lower
- FINAL PASSAGE (#539) — **92–6** (pass) · lower
- AMENDMENT # 3037 BY CARTER, R., MOTION TO ADOPT (#538) — **28–70** (fail) · lower
- ADOPT (#1410) — **36–0** (pass) · upper

## Sponsors

- Brett Geymann — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2024-06-11** Effective date: 08/01/2024.
- **2024-06-11** Signed by the Governor. Becomes Act No. 645. `became-law, executive-signature`
- **2024-06-04** Sent to the Governor for executive approval. `executive-receipt`
- **2024-06-02** Signed by the President of the Senate.
- **2024-06-02** Enrolled and signed by the Speaker of the House. `enrolled`
- **2024-05-31** Notice of Senate adoption of Conference Committee Report.
- **2024-05-31** Conference Committee Report read; adopted by a vote of 36 yeas and 0 nays.
- **2024-05-30** Notice House adopted the Conference Committee Report.
- **2024-05-30** Conference Committee Report read, roll called, yeas 85, nays 7. The Conference Committee Report was adopted.
- **2024-05-29** Scheduled for floor debate on 05/30/2024.
- **2024-05-28** Conference committee report received.
- **2024-05-28** Conference Committee report received. Lies over under the rules.
- **2024-05-28** Notice of Senate conferees appointed.
- **2024-05-28** Senate conference committee members appointed: Allain, Hensgens, and Seabaugh.
- **2024-05-23** Notice House Conference Committee members appointed.
- **2024-05-23** Notice House rejected the Senate amendments.
- **2024-05-23** House conferees appointed: Geymann, Riser, and Jacob Landry.
- **2024-05-23** Read by title, roll called, yeas 93, nays 0, Senate amendments rejected, conference committee appointment pending.
- **2024-05-23** Rules suspended, called out of its regular order.
- **2024-05-22** Scheduled for concurrence on 05/23/2024.
- **2024-05-22** Received from the Senate with amendments. `receipt`
- **2024-05-21** The amended bill was read by title, passed by a vote of 38 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2024-05-21** Rules suspended. Called from the Calendar.
- **2024-05-16** Read by title and returned to the Calendar, subject to call.
- **2024-05-16** Rules suspended.
- **2024-05-07** Reported with Legislative Bureau amendments which were read and adopted. Read by title and passed to third reading and final passage. `reading-3`
- **2024-05-06** Read by title and referred to the Legislative Bureau.
- **2024-05-01** Reported with amendments. `committee-passage-favorable`
- **2024-04-22** Read second time by title and referred to the Committee on Natural Resources. `reading-2, referral-committee`
- **2024-04-17** Received in the Senate. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2024-04-16** Read third time by title, amended, roll called on final passage, yeas 92, nays 6. Finally passed, title adopted, ordered to the Senate. `passage`
- **2024-04-11** Scheduled for floor debate on 04/16/2024.
- **2024-04-11** Read by title, ordered engrossed, passed to 3rd reading. `reading-3`
- **2024-04-10** Read by title, substitute title adopted, lies over in the same order of business, substitute for HB No. 696 reported by the Committee on Natural Resources and Environment (13-0).

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a2baebb4-2bd4-4342-9d37-bb85bc1c3854`. Confidence: reported (aggregated from official Louisiana legislature records).