DEVIL'S WATERHOLE UNIT

Oil · District 01 · Lease #3996

Operator: WILLIAMS KOLB & LINDENBORN, INC.

Cum Oil

243k BBL

Cum Gas

83k MCF

casinghead

Wells

9

Production

1993-01 — 2014-12

Peak Month

1993-08

Production History

Cum Oil: 243,117 BBL Cum Gas: 83,206 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,120 BBL/mo

Di (annual)

27.9%

b-factor

0.0

EUR

134,357 BBL

R-squared

0.793

type

exponential

Operator History (from monthly production reports)

2023-03 — 2026-07 NITRO OIL & GAS, LLC 41 mo
2014-08 — 2023-02 RAMTEX ENERGY LLC 103 mo
2004-06 — 2014-07 CHAPARRAL ENERGY, L.L.C. 122 mo
2002-05 — 2004-05 H & M RESOURCES, LLC 25 mo
1998-06 — 2002-04 WILLIAMS KOLB & LINDENBORN, INC. 47 mo
1997-01 — 1998-05 S & L OIL FIELD SERVICES 17 mo
1993-04 — 1996-12 BLS RESOURCES, INC. 45 mo
1993-01 — 1993-03 S & S ENERGY 3 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
L 1NITRO OIL & GAS LLC18,8001984-09-27
A 142-311-30014PETRO-LEWIS CORPORATION------
A 2V42-311-30053PETRO-LEWIS CORPORATION------
L 10D42-311-30055NITRO OIL & GAS LLC------
L 11D42-311-30052NITRO OIL & GAS LLC------
L 4A42-311-30003NITRO OIL & GAS LLC------
L 542-311-80428NITRO OIL & GAS LLC------
L 642-311-30016NITRO OIL & GAS LLC------
L 842-311-30028NITRO OIL & GAS LLC------