TEXAS UNIV. -CC-

Oil · District 08 · Lease #4041

Operator: PIEDRA OPERATING, LLC

Cum Oil

1.3M BBL

Cum Gas

824k MCF

casinghead

Wells

19

Production

1993-01 — 2026-04

Peak Month

1995-08

Production History

Cum Oil: 1,262,778 BBL Cum Gas: 824,401 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,125 BBL/mo

Di (annual)

8.1%

b-factor

0.0

EUR

1,033,794 BBL

R-squared

0.789

type

exponential

Operator History (from monthly production reports)

2023-06 — 2026-07 OVINTIV USA INC. 38 mo
2018-11 — 2023-05 PIEDRA OPERATING, LLC 55 mo
2003-01 — 2018-10 CONOCOPHILLIPS COMPANY 190 mo
1993-01 — 2002-12 PHILLIPS PETROLEUM COMPANY 120 mo

Wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20OVINTIV USA INC.112,6502010-04-29
16OVINTIV USA INC.112,6792008-10-24
11OVINTIV USA INC.113,8452008-10-21
18OVINTIV USA INC.112,6002008-10-06
2OVINTIV USA INC.113,8532008-10-04
19OVINTIV USA INC.212,6502005-04-25
6OVINTIV USA INC.111,1401999-12-13
25OVINTIV USA INC.112,4801994-03-07
1OVINTIV USA INC.110,6601993-08-23
9OVINTIV USA INC.213,7751980-01-04
1042-003-04752OVINTIV USA INC.------
1242-003-04739OVINTIV USA INC.------
1442-003-04741OVINTIV USA INC.------
23D42-003-04744OVINTIV USA INC.------
2642-003-04586OVINTIV USA INC.------
2842-003-30529OVINTIV USA INC.------
2942-003-30659OVINTIV USA INC.------
4D42-003-04722OVINTIV USA INC.------
542-003-04725OVINTIV USA INC.------