GLADYS CITY

Oil // district 3 // lease#3959

op: TRI-UNION DEVELOPMENT CORP.

fields: SPINDLETOP

cum_oil

599k BBL

cum_gas

0 MCF

wells

15

production

1993-01 — 2026-03

peak_month

1994-11

-- production_history

cum_oil: 598,608 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

8,114 BBL/mo

Di (annual)

118.4%

b-factor

1.2

EUR

427,756 BBL

R-squared

0.581

type

hyperbolic

-- wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
128KINGWOOD EXPLORATION LLC25,3002013-11-12
195KINGWOOD EXPLORATION LLC15,3002008-05-05
192KINGWOOD EXPLORATION LLC15,2502007-08-08
186MW PETROLEUM CORPORATION14,2001994-07-12
187MW PETROLEUM CORPORATION14,2001994-07-12
183MW PETROLEUM CORPORATION15,5001993-12-09
184MW PETROLEUM CORPORATION14,1001993-12-09
185MW PETROLEUM CORPORATION12,5001993-12-09
181AMOCO PRODUCTION COMPANY14,2001978-11-08
179AMOCO PRODUCTION COMPANY15,0001978-06-08
168AMOCO PRODUCTION COMPANY15,0001977-07-20
12742-245-00823--------
14242-245-00838--------
16142-245-03162--------
16642-245-03384--------
EOF // data source: Texas Railroad Commission // 2026