COLBERT, JACK

Oil · District 01 · Lease #10050

Operator: SPECKLE TROUT OPERATING LLC

Cum Oil

74k BBL

Cum Gas

6k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2001-10

Production History

Cum Oil: 73,827 BBL Cum Gas: 6,150 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

436 BBL/mo

Di (annual)

11.0%

b-factor

0.1

EUR

51,799 BBL

R-squared

0.771

type

hyperbolic

Operator History (from monthly production reports)

2025-08 — 2026-07 SPECKLE TROUT OPERATING LLC 12 mo
2023-07 — 2025-07 ONE WORLD OPERATING, LLC 25 mo
2018-12 — 2023-06 RED OAK OIL COMPANY, LLC 55 mo
2012-03 — 2018-11 DPM OPERATING 81 mo
1993-01 — 2012-02 3R-B OIL VENTURE 230 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SPECKLE TROUT OPERATING LLC12,5002018-01-18
3ASPECKLE TROUT OPERATING LLC12,5002001-08-29
1ASPECKLE TROUT OPERATING LLC12,5001999-12-06
2SPECKLE TROUT OPERATING LLC22,5001987-12-15
1SPECKLE TROUT OPERATING LLC13,2501984-03-02