BIG WELLS LO. SAN MIGUEL UNIT

Oil // district 1 // lease#4208

op: TRINITY OPERATING (USG), LLC

cum_oil

250k BBL

cum_gas

0 MCF

wells

47

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 249,603 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,426 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

191,043 BBL

R-squared

0.554

type

exponential

-- wells (47)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
58TEXAS AMERICAN RESOURCES COMPANY26,3002006-11-30
9WTEXAS AMERICAN RESOURCES COMPANY15,7672004-10-14
14ORYX ENERGY COMPANY15,8301990-04-13
20ORYX ENERGY COMPANY15,7981989-09-01
56MOBIL PRODUCING TX. & N.M. INC.16,3001987-12-29
55MOBIL PRODUCING TX. & N.M. INC.16,3001987-09-28
54SUPERIOR OIL COMPANY, THE26,0001987-02-23
18MOBIL PRODUCING TX. & N.M. INC.15,8361986-08-05
48SUPERIOR OIL COMPANY, THE16,3001986-02-04
1WSSUPERIOR OIL COMPANY, THE13,0001983-11-14
40SUPERIOR OIL COMPANY, THE16,0001983-11-14
41SUPERIOR OIL COMPANY, THE16,0001983-11-14
43SUPERIOR OIL COMPANY, THE16,0001983-11-14
45WSUPERIOR OIL COMPANY, THE16,0001983-11-14
44WSUPERIOR OIL COMPANY, THE16,0001983-11-10
42SUPERIOR OIL COMPANY, THE16,0001983-11-02
142-127-31063--------
1042-127-30264--------
1142-127-30270--------
12W42-127-30282--------
13W42-127-30303--------
2142-127-30310--------
22W42-127-30319--------
23W42-127-30318--------
2442-127-30320--------
2542-127-30330--------
2642-127-30329--------
2742-127-30338--------
29W42-127-30353--------
2W42-127-30451--------
30W42-127-30352--------
3142-127-30360--------
3242-127-30362--------
3342-127-30368--------
3442-127-30370--------
35W42-127-30371--------
36W42-127-30378--------
3742-127-30379--------
38W42-127-30384--------
39W42-127-30530--------
4642-127-30305--------
4742-127-30304--------
4W42-127-30255--------
5W42-127-30222--------
6W42-127-30239--------
742-127-30248--------
842-127-30249--------
EOF // data source: Texas Railroad Commission // 2026