TUBB A

Oil · District 08 · Lease #42429

Operator: OXYROCK OPERATING, LLC

Cum Oil

426k BBL

Cum Gas

1.5M MCF

casinghead

Wells

14

Production

2012-01 — 2026-03

Peak Month

2016-08

Production History

Cum Oil: 426,155 BBL Cum Gas: 1,536,549 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,820 BBL/mo

Di (annual)

146.6%

b-factor

1.9

EUR

583,127 BBL

R-squared

0.728

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 15 mo
2024-08 — 2025-04 OXYROCK OPERATING, LLC 9 mo
2012-01 — 2024-07 CROWNQUEST OPERATING, LLC 151 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
301CIVITAS PERMIAN OPERATING, LLC112,0002017-11-16
254CIVITAS PERMIAN OPERATING, LLC112,0002017-01-31
253CIVITAS PERMIAN OPERATING, LLC112,0002016-10-13
364CIVITAS PERMIAN OPERATING, LLC112,0002016-02-17
1HACIVITAS PERMIAN OPERATING, LLC39,8002016-01-27
363CIVITAS PERMIAN OPERATING, LLC112,0002015-07-09
252CIVITAS PERMIAN OPERATING, LLC212,0002015-01-27
251CIVITAS PERMIAN OPERATING, LLC112,0002014-09-05
362CIVITAS PERMIAN OPERATING, LLC212,0002014-04-12
4CIVITAS PERMIAN OPERATING, LLC212,0002013-09-16
2CIVITAS PERMIAN OPERATING, LLC112,0002012-11-21
422CIVITAS PERMIAN OPERATING, LLC112,0002012-11-21
431CIVITAS PERMIAN OPERATING, LLC112,0002012-06-12
1CIVITAS PERMIAN OPERATING, LLC111,9002011-08-02