DROUGHT, ANN G.

Oil // district 1 // lease#4324

op: ROYAL TEXAN RESOURCES CO.

cum_oil

52k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

2000-05

-- production_history

cum_oil: 51,743 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

485 BBL/mo

Di (annual)

51.8%

b-factor

0.6

EUR

23,776 BBL

R-squared

0.401

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15CUATRO PETRO CORP.13,5001996-10-21
13CUATRO PETRO CORP.13,5001995-09-25
12ENSERCH EXPLORATION, INC13,6001980-11-26
142-127-30386--------
1142-127-30752--------
242-127-30416--------
342-127-30418--------
842-127-30432--------
EOF // multi-state drilling data platform // 2026