SOUTHWEST MCELROY UNIT

Oil // district 10 // lease#20273

op: WALSH & WATTS, INC.

fields: MCELROY

cum_oil

703k BBL

cum_gas

0 MCF

wells

54

production

1993-01 — 2026-03

peak_month

1994-03

-- production_history

cum_oil: 702,532 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,649 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

691,550 BBL

R-squared

0.828

type

exponential

-- wells (54)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
38WALSH & WATTS, INC.13,2502011-11-17
53SUN EXPL. & PROD. CO.-MIDLAND13,3501984-07-16
54SUN EXPL. & PROD. CO.-MIDLAND13,3501984-07-16
51SUN EXPL. & PROD. CO.-MIDLAND13,3001983-11-21
52SUN EXPL. & PROD. CO.-MIDLAND13,3001983-11-09
45SUN EXPL. & PROD. CO.-MIDLAND13,3001983-02-18
46SUN EXPL. & PROD. CO.-MIDLAND13,3001983-02-18
47SUN EXPL. & PROD. CO.-MIDLAND13,3001983-02-18
48SUN EXPL. & PROD. CO.-MIDLAND13,3001983-02-18
50SUN EXPL. & PROD. CO.-MIDLAND13,3001983-02-18
49SUN EXPL. & PROD. CO.-MIDLAND13,3001983-01-18
142-461-02174--------
1042-461-02157--------
1142-461-02159--------
1242-461-02172--------
1342-461-02169--------
1442-461-02168--------
1542-461-02158--------
1642-461-02173--------
1742-461-02170--------
1842-461-02165--------
1942-461-10187--------
242-461-02167--------
2042-461-10113--------
2142-461-02171--------
2242-461-02161--------
2342-461-10044--------
2442-461-02179--------
2542-461-03771--------
2642-461-02151--------
2742-461-02148--------
2842-461-10186--------
2942-461-10038--------
342-461-02162--------
3042-461-02146--------
3142-461-10184--------
3242-461-02150--------
3342-461-10314--------
3442-461-10185--------
3542-461-02181--------
3642-461-02147--------
3742-461-10312--------
3942-461-10600--------
442-461-02160--------
4042-461-20081--------
4142-461-30037--------
4242-461-30555--------
4342-461-30557--------
4442-461-30556--------
542-461-02175--------
642-461-02163--------
742-461-02166--------
842-461-02176--------
942-461-02164--------
EOF // multi-state drilling data platform // 2026