GRAVES "21-A"

Oil // district 8 // lease#25318

op: PATTON EXPLORATION, INC.

cum_oil

309k BBL

cum_gas

0 MCF

wells

12

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 309,112 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,990 BBL/mo

Di (annual)

24.2%

b-factor

0.0

EUR

247,393 BBL

R-squared

0.937

type

exponential

-- wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28PATTON EXPLORATION, INC.13,4001993-11-23
27PATTON EXPLORATION, INC.13,4001993-07-07
26PATTON EXPLORATION, INC.13,4001993-02-12
25PATTON EXPLORATION, INC.13,4001992-10-22
24PATTON EXPLORATION, INC.13,4001992-05-06
23POLK & PATTON, INC.13,4001992-01-27
21POLK & PATTON, INC.13,4001992-01-15
20POLK & PATTON, INC.13,4001991-10-15
15POLK & PATTON, INC.13,4001990-09-13
13POLK & PATTON, INC.13,5001989-12-04
11POLK & PATTON, INC.13,5001989-06-23
10POLK & PATTON, INC.23,5001988-08-29
EOF // data source: Texas Railroad Commission // 2026