LANGFORD, R.C.

Oil · District 7B · Lease #25906

Operator: TDC ENGINEERING, INC.

Cum Oil

64k BBL

Cum Gas

58k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1994-08

Production History

Cum Oil: 63,613 BBL Cum Gas: 57,552 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

248 BBL/mo

Di (annual)

3.2%

b-factor

0.0

EUR

74,585 BBL

R-squared

0.606

type

exponential

Operator History (from monthly production reports)

2016-01 — 2026-07 RMB OPERATING LLC 127 mo
2013-07 — 2015-12 TDC ENGINEERING, INC. 30 mo
1993-01 — 2013-06 ADKINS, R. L. CORP. 246 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RMB OPERATING LLC16,1001990-05-23