WELLMAN WEST UNIT

Oil · District 8A · Lease #64619

Operator: WHITE ROCK OIL & GAS, LLC

Cum Oil

2.0M BBL

Cum Gas

460k MCF

casinghead

Wells

45

Production

1993-01 — 2026-03

Peak Month

2003-05

Production History

Cum Oil: 2,040,257 BBL Cum Gas: 460,351 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,966 BBL/mo

Di (annual)

10.9%

b-factor

0.1

EUR

1,309,905 BBL

R-squared

0.971

type

hyperbolic

Operator History (from monthly production reports)

2019-01 — 2026-07 WHITE ROCK OIL & GAS, LLC 91 mo
2002-11 — 2018-12 DEVON ENERGY PRODUCTION CO, L.P. 194 mo
2000-11 — 2002-10 DEVON SFS OPERATING, INC. 24 mo
1999-11 — 2000-10 SANTA FE SNYDER CORPORATION 12 mo
1995-01 — 1999-10 SANTA FE ENERGY RESOURCES, INC. 58 mo
1993-01 — 1994-12 SANTA FE ENERGY OPER. PART., LP 24 mo

Wells (45)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18WHITE ROCK OIL & GAS, LLC25,7002005-10-19
24WHITE ROCK OIL & GAS, LLC55,7002005-06-09
24HWHITE ROCK OIL & GAS, LLC55,7002005-06-09
9HWWHITE ROCK OIL & GAS, LLC25,7002005-06-08
9WWHITE ROCK OIL & GAS, LLC25,7002005-06-08
21HWWHITE ROCK OIL & GAS, LLC45,6502005-06-06
21WWHITE ROCK OIL & GAS, LLC45,6502005-06-06
35WHITE ROCK OIL & GAS, LLC45,7002005-01-12
35HWHITE ROCK OIL & GAS, LLC45,7002005-01-12
5WHITE ROCK OIL & GAS, LLC25,7002004-09-24
5WWHITE ROCK OIL & GAS, LLC25,7002004-09-24
22HWHITE ROCK OIL & GAS, LLC25,7002003-10-24
22HWWHITE ROCK OIL & GAS, LLC25,7002003-10-24
22WWHITE ROCK OIL & GAS, LLC25,7002003-10-24
11WHITE ROCK OIL & GAS, LLC15,5752003-09-04
11HWWHITE ROCK OIL & GAS, LLC15,5752003-09-04
15WHITE ROCK OIL & GAS, LLC25,6002003-09-03
15HWWHITE ROCK OIL & GAS, LLC25,6002003-09-03
33WHITE ROCK OIL & GAS, LLC35,7002003-06-24
33HWHITE ROCK OIL & GAS, LLC35,7002003-06-24
27WHITE ROCK OIL & GAS, LLC25,7002003-03-14
27HWHITE ROCK OIL & GAS, LLC25,7002003-03-14
31WHITE ROCK OIL & GAS, LLC25,7002003-03-06
31HWHITE ROCK OIL & GAS, LLC25,7002003-03-06
34WHITE ROCK OIL & GAS, LLC15,7002000-01-21
29WHITE ROCK OIL & GAS, LLC15,7001997-12-11
32WHITE ROCK OIL & GAS, LLC15,7001997-12-11
28WHITE ROCK OIL & GAS, LLC15,7001995-11-28
1WHITE ROCK OIL & GAS, LLC12,5001983-08-30
8WHITE ROCK OIL & GAS, LLC15,6001977-08-08
10W42-445-10203WHITE ROCK OIL & GAS, LLC------
12W42-445-30316WHITE ROCK OIL & GAS, LLC------
1342-445-10219WHITE ROCK OIL & GAS, LLC------
1442-445-10246WHITE ROCK OIL & GAS, LLC------
1642-445-10207WHITE ROCK OIL & GAS, LLC------
1742-445-10239WHITE ROCK OIL & GAS, LLC------
19W42-445-10225WHITE ROCK OIL & GAS, LLC------
2042-445-10240WHITE ROCK OIL & GAS, LLC------
20W42-445-10240WHITE ROCK OIL & GAS, LLC------
2W42-445-10229WHITE ROCK OIL & GAS, LLC------
342-445-10227WHITE ROCK OIL & GAS, LLC------
4W42-445-30320WHITE ROCK OIL & GAS, LLC------
642-445-10222WHITE ROCK OIL & GAS, LLC------
6W42-445-10222WHITE ROCK OIL & GAS, LLC------
742-445-10216WHITE ROCK OIL & GAS, LLC------