EAST FELKEN UNIT

Oil // district 11 // lease#68154

op: PETX OPERATING LLC

cum_oil

761k BBL

cum_gas

0 MCF

wells

17

production

2000-02 — 2026-03

peak_month

2006-12

-- production_history

cum_oil: 761,127 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,203 BBL/mo

Di (annual)

8.5%

b-factor

0.0

EUR

584,545 BBL

R-squared

0.931

type

exponential

-- wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
502WBYRD OPERATING COMPANY17,6002007-10-15
102WILSON, WM. B. & SONS, INC.27,5602000-12-13
1WSBYRD OPERATING COMPANY17,5602000-12-13
1102WBYRD OPERATING COMPANY17,6002000-06-28
1301BYRD OPERATING COMPANY17,6002000-06-28
402WBYRD OPERATING COMPANY17,6002000-06-28
902BYRD OPERATING COMPANY17,6002000-06-28
901BYRD OPERATING COMPANY17,6001995-03-07
901WBYRD OPERATING COMPANY17,6001995-03-07
501BYRD OPERATING COMPANY17,6001995-02-22
801MELTON DRILLING-HANOVER ENERGY19,0001984-06-20
801WMELTON DRILLING-HANOVER ENERGY19,0001984-06-20
101WWILSON, WM. B. & SONS, INC.17,8001981-05-06
100142-115-01062--------
110142-115-00354--------
120142-115-30551--------
40142-115-00216--------
EOF // data source: Texas Railroad Commission // 2026