HALLEY, S. M. -B-

Oil // district 10 // lease#1356

op: SHELL WESTERN E&P

cum_oil

694k BBL

cum_gas

0 MCF

wells

24

production

1993-01 — 2026-03

peak_month

1997-10

-- production_history

cum_oil: 694,448 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,606 BBL/mo

Di (annual)

6.8%

b-factor

0.0

EUR

444,786 BBL

R-squared

0.692

type

exponential

-- wells (24)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
46MECO IV, LLC15,1002016-02-24
45MECO IV, LLC15,1002016-01-11
40WORYX ENERGY COMPANY15,0001989-10-17
28WSSUN EXPL. & PROD. CO.-MIDLAND14,0001987-04-08
35WSUN EXPL. & PROD. CO.-MIDLAND15,0001986-11-04
36WSUN EXPL. & PROD. CO.-MIDLAND15,0001986-11-04
37SUN EXPL. & PROD. CO.-MIDLAND25,0001986-11-04
38WSUN EXPL. & PROD. CO.-MIDLAND15,0001986-11-04
32WSUN EXPL. & PROD. CO.-MIDLAND14,9001982-10-28
33WSUN EXPL. & PROD. CO.-MIDLAND14,9001982-10-28
34WSUN EXPL. & PROD. CO.-MIDLAND14,9001982-10-28
31WSUN EXPL. & PROD. CO.-MIDLAND14,9501980-07-16
1142-495-05381--------
1242-495-05383--------
1342-495-05385--------
1442-495-05386--------
1542-495-05387--------
1642-495-05388--------
1742-495-05389--------
1842-495-05390--------
1942-495-05391--------
19WS42-495-05391--------
2042-495-05392--------
2642-495-10397--------
EOF // data source: Texas Railroad Commission // 2026