< leases

CARRICO

Oil · District 01 · Lease #5538

Operator: SQUARE ONE CORPORATION

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

156k BBL

Cum Gas

324k MCF

casinghead

Wells

5

Production

1993-01 — 2009-11

Peak Month

1993-05

Production History

Cum Oil: 156,141 BBL Cum Gas: 323,501 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,176 BBL/mo

Di (annual)

82.8%

b-factor

0.0

EUR

46,035 BBL

R-squared

0.718

type

exponential

Operator History (from monthly production reports)

2009-07 — 2026-07 CIBOLO ENERGY OPERATING, INC. 205 mo
2004-05 — 2009-06 SQUARE ONE CORPORATION 62 mo
1993-01 — 2004-04 CITATION OIL & GAS CORP. 136 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-163-31475LADD PETROLEUM CORP.46,9501996-08-08
1H42-163-31475LADD PETROLEUM CORP.46,9501996-08-08
442-163-31572CIBOLO ENERGY OPERATING INC.26,9551990-12-21
4H42-163-31572CIBOLO ENERGY OPERATING INC.26,9551990-12-21
342-163-31528CIBOLO ENERGY OPERATING INC.16,9201977-10-18