SPEARS

Oil · District 09 · Lease #25721

Operator: VANDERMEER ENERGY CORP.

Cum Oil

74k BBL

Cum Gas

35k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

1993-06

Production History

Cum Oil: 74,249 BBL Cum Gas: 35,321 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

237 BBL/mo

Di (annual)

2.0%

b-factor

0.0

EUR

90,347 BBL

R-squared

0.301

type

exponential

Operator History (from monthly production reports)

2003-08 — 2026-07 TEXOMA OIL TOOLS, INC. 276 mo
2001-12 — 2003-07 CHANCE OIL CO., INC. 20 mo
1998-12 — 2001-11 ITX CORPORATION 36 mo
1997-09 — 1998-11 VANDERMEER ENERGY CORP. 15 mo
1993-01 — 1997-08 NATIONAL ENERGY GROUP, INC. 56 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8TEXOMA OIL TOOLS, INC.14,3001990-10-29
7TEXOMA OIL TOOLS, INC.14,5001987-12-18
5TEXOMA OIL TOOLS, INC.24,3001987-11-04
4TEXOMA OIL TOOLS, INC.14,4001985-03-28
1TEXOMA OIL TOOLS, INC.24,9001982-04-21