---
type: "Bill"
title: "Enhanced oil recovery-severance tax exemption."
description: "2026/Summaries/HB0128.pdf"
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2026"
identifier: "HB 128"
citation: "Wyoming HB 128 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Tarver"]
version_count: 3
action_count: 22
vote_count: 6
first_action: "2026-02-10T04:30:19+00:00"
last_action: "2026-03-06T20:11:40+00:00"
source: "openstates"
source_identifier: "ocd-bill/5c528a38-bd4b-401e-a117-010e16034826"
source_url: "https://wyoleg.gov/Legislation/2026/HB0128"
source_hash: "f9a6ba3127902eeb46b9d6afa27ad9e5fe0cda95e42a5c097bdc8eec07c0e8cb"
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-wy"]
---

# Wyoming HB 128 (2026) — Enhanced oil recovery-severance tax exemption.

2026/Summaries/HB0128.pdf

## Version chain

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

1. **Introduced** (filed) — [source](https://wyoleg.gov/2026/Introduced/HB0128.pdf)
2. **Amendment HB0128SS001 (Standing Committee) - Senate Minerals, Business and Economic Development Committee (Adopted)** (committee substitute) — [source](https://wyoleg.gov/2026/Amends/HB0128SS001.pdf)
3. **Enrolled** (enrolled) — [source](https://wyoleg.gov/2026/Enroll/HB0128.pdf)

## Votes

- H09 - Minerals:Recommend Do Pass 9-0-0-0-0 — **9–0** (pass) · lower
- H Introduced and Referred to H09 - Minerals 58-3-1-0-0 — **58–3** (pass) · lower
- S09 - Minerals:Recommend Amend and Do Pass 5-0-0-0-0 — **5–0** (pass) · upper
- S 3rd Reading:Passed 30-1-0-0-0 — **30–1** (pass) · upper
- H 3rd Reading:Passed 60-1-1-0-0 — **60–1** (pass) · lower
- H Concur:Passed 59-0-3-0-0 — **59–0** (pass) · lower

## Sponsors

- Tarver — primary (person)
- Campbell, K — cosponsor (person)
- Cooper — cosponsor (person)
- Davis — cosponsor (person)
- Kolb — cosponsor (person)
- Larson, JT — cosponsor (person)

## Timeline

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

- **2026-03-06T20:11:40+00:00** Assigned Chapter Number 46 `became-law`
- **2026-03-06T20:11:20+00:00** Governor Signed HEA No. 0018 `executive-signature`
- **2026-03-03T17:22:26+00:00** S President Signed HEA No. 0018
- **2026-03-03T17:09:43+00:00** H Speaker Signed HEA No. 0018
- **2026-03-03T01:29:38+00:00** Assigned Number HEA No. 0018
- **2026-03-03T01:24:10+00:00** H Concur:Passed 59-0-3-0-0
- **2026-03-02T23:52:11+00:00** H Received for Concurrence
- **2026-03-02T22:32:45+00:00** S 3rd Reading:Passed 30-1-0-0-0 `passage, reading-3`
- **2026-02-27T18:02:36+00:00** S 2nd Reading:Passed `reading-2`
- **2026-02-26T21:38:52+00:00** S COW:Passed `committee-passage-favorable`
- **2026-02-25T23:02:20+00:00** S Placed on General File
- **2026-02-25T23:02:12+00:00** S09 - Minerals:Recommend Amend and Do Pass 5-0-0-0-0 `committee-passage-favorable`
- **2026-02-23T21:27:14+00:00** S Introduced and Referred to S09 - Minerals `introduction, referral-committee`
- **2026-02-23T16:22:21+00:00** S Received for Introduction `filing`
- **2026-02-22T04:18:33+00:00** H 3rd Reading:Passed 60-1-1-0-0 `passage, reading-3`
- **2026-02-20T17:58:31+00:00** H 2nd Reading:Passed `reading-2`
- **2026-02-20T00:59:24+00:00** H COW:Passed `committee-passage-favorable`
- **2026-02-19T07:26:20+00:00** H Placed on General File
- **2026-02-19T07:26:11+00:00** H09 - Minerals:Recommend Do Pass 9-0-0-0-0 `committee-passage-favorable`
- **2026-02-11T18:46:29+00:00** H Introduced and Referred to H09 - Minerals 58-3-1-0-0 `introduction, referral-committee`
- **2026-02-10T16:02:58+00:00** H Received for Introduction `filing`
- **2026-02-10T04:30:19+00:00** Bill Number Assigned `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5c528a38-bd4b-401e-a117-010e16034826`. Confidence: reported (aggregated from official Wyoming legislature records).