CLARK UNIT

Oil // district 13 // lease#28956

op: SUTHERLAND ENERGY CO., LLC

cum_oil

586k BBL

cum_gas

0 MCF

wells

59

production

1995-05 — 2026-03

peak_month

2012-09

-- production_history

cum_oil: 586,436 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,412 BBL/mo

Di (annual)

162.4%

b-factor

0.7

EUR

150,582 BBL

R-squared

0.817

type

hyperbolic

-- wells (59)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
710PHOENIX PETROCORP, INC.14,2582019-01-10
509PHOENIX PETROCORP, INC.14,1002013-06-04
813PHOENIX PETROCORP, INC.14,1002013-06-04
112PHOENIX PETROCORP, INC.14,1002013-05-31
113PHOENIX PETROCORP, INC.14,1002013-05-31
812PHOENIX PETROCORP, INC.14,1002012-05-21
111PHOENIX PETROCORP, INC.14,1002012-05-18
811PHOENIX PETROCORP, INC.14,1002012-05-18
110PHOENIX PETROCORP, INC.14,1002012-05-04
808PHOENIX PETROCORP, INC.14,1002012-05-04
809PHOENIX PETROCORP, INC.24,1002012-05-04
810PHOENIX PETROCORP, INC.14,1002012-05-04
508PHOENIX PETROCORP, INC.14,1002012-02-09
506PHOENIX PETROCORP, INC.14,1002012-02-08
507PHOENIX PETROCORP, INC.14,1002012-02-08
806PHOENIX PETROCORP, INC.14,1002012-02-08
807PHOENIX PETROCORP, INC.14,1002012-02-08
711PHOENIX PETROCORP, INC.14,1002012-02-01
109PHOENIX PETROCORP, INC.14,1002012-01-27
108LITTLEPAGE, TOMMY14,9001985-11-01
1202PITCOCK, INC.14,9501985-05-28
1001PITCOCK, INC.24,9001985-03-26
106LITTLEPAGE, TOMMY14,5001985-02-20
1201PITCOCK, INC.14,9991984-12-18
107LITTLEPAGE, TOMMY14,0001984-09-24
903PITCOCK, INC.14,9001983-08-17
904PITCOCK, INC.14,9001983-08-17
305PITCOCK, INC.14,8001983-05-10
601KARPER & GLASS OIL COMPANY14,0811982-12-22
304PITCOCK, INC.14,9001982-10-28
902PITCOCK, INC.14,9001982-10-07
207PITCOCK, INC.14,6001982-08-30
805TEXOMA PRODUCTION CO. INC.14,9951982-08-09
503TEXOMA PRODUCTION CO. INC.14,2001982-06-21
504TEXOMA PRODUCTION CO. INC.14,2001982-06-21
901PITCOCK, INC.14,9001982-05-24
502TEXOMA PRODUCTION CO. INC.14,2001982-05-12
105LITTLEPAGE, TOMMY14,9991981-12-16
103LITTLEPAGE, TOMMY14,9991981-09-08
104LITTLEPAGE, TOMMY14,9991981-09-02
205PITCOCK, INC.14,3001981-06-24
206PITCOCK, INC.14,2001981-06-24
302PITCOCK, INC.14,3001981-06-24
204PITCOCK, INC.14,5001981-03-03
102LITTLEPAGE, TOMMY14,9991980-10-23
301PITCOCK, INC.14,4001980-05-23
202PITCOCK, INC.14,4001980-05-16
101LITTLEPAGE, TOMMY14,9001980-04-04
501TEXOMA PRODUCTION CO. INC.24,1001979-05-15
804TEXOMA PRODUCTION CO. INC.14,3001979-05-08
40142-503-07459--------
40242-503-81189--------
70442-503-08575--------
70642-503-03993--------
70942-503-31659--------
80142-503-01570--------
801B42-503-80292--------
80242-503-30633--------
80342-503-31683--------
EOF // data source: Texas Railroad Commission // 2026