< leases

TXL-M-

Oil · District 08 · Lease #28206

Operator: SUNDOWN ENERGY LP

Fields: LAWSON (SAN ANDRES)

Cum Oil

167k BBL

Cum Gas

270k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2016-01

Production History

Cum Oil: 166,751 BBL Cum Gas: 269,867 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

769 BBL/mo

Di (annual)

12.1%

b-factor

0.0

EUR

76,277 BBL

R-squared

0.467

type

exponential

Operator History (from monthly production reports)

2021-05 — 2026-07 GRAMA OPERATING, LLC 63 mo
2005-02 — 2021-04 SUNDOWN ENERGY LP 195 mo
2002-07 — 2005-01 JETTA OPERATING COMPANY, INC. 31 mo
2000-04 — 2002-06 DEVON ENERGY PRODUCTION CO, L.P. 27 mo
1993-01 — 2000-03 DEVON ENERGY CORPORATION(NEVADA) 87 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-135-43392GRAMA OPERATING, LLC25,3102015-10-06
342-135-34633GRAMA OPERATING, LLC14,6001984-09-10
142-135-05433GRAMA OPERATING, LLC15,8111983-08-22
242-135-34122GRAMA OPERATING, LLC14,5001983-02-16