BORDEN (SPRABERRY) UNIT

Oil // district 11 // lease#66710

op: UMC PETROLEUM CORPORATION

cum_oil

1.5M BBL

cum_gas

0 MCF

wells

19

production

1993-01 — 2026-03

peak_month

2001-04

-- production_history

cum_oil: 1,480,869 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,247 BBL/mo

Di (annual)

12.5%

b-factor

0.9

EUR

1,319,379 BBL

R-squared

0.872

type

hyperbolic

-- wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
209ESTANCIA OIL & GAS, LLC17,6002024-04-25
306ESTANCIA OIL & GAS, LLC17,6002024-04-25
208HONECK OIL COMPANY17,5002000-12-27
207GENERAL ATLANTIC RESOURCES, INC.17,5001993-06-30
205GLG ENERGY, L.P.17,6501992-03-09
301GLG ENERGY, L.P.17,7001992-03-09
203AMOCO PRODUCTION COMPANY17,5501983-09-26
102BROWN, H. L., JR.17,5001983-08-10
103BROWN, H. L., JR.17,5101983-03-09
106BROWN, H. L., JR.28,0001983-01-26
105BROWN, H. L., JR.17,5001981-06-01
304TAMARACK PETROLEUM COMPANY, INC.17,6001981-01-26
10142-033-30071--------
20142-033-30246--------
20242-033-30063--------
20442-033-30049--------
30242-033-00876--------
30342-033-30097--------
30542-033-30107--------
EOF // data source: Texas Railroad Commission // 2026