DORA ROBERTS RANCH UNIT

Oil // district 10 // lease#15850

op: OXY USA INC.

cum_oil

26k BBL

cum_gas

0 MCF

wells

18

production

1993-01 — 1995-12

peak_month

1993-10

-- production_history

cum_oil: 26,240 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,347 BBL/mo

Di (annual)

195.5%

b-factor

1.6

EUR

78,101 BBL

R-squared

0.711

type

hyperbolic

-- wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
502 COXY USA WTP LP213,3462013-05-02
4212 COXY USA INC.213,0001997-10-28
4105OXY USA INC.213,0791994-06-23
4214 COXY USA INC.113,3781992-07-21
404OXY USA INC.112,1751992-03-17
4210OXY USA INC.211,9251991-06-17
410CITIES SERVICE OIL & GAS CORP.113,1701986-03-04
503CITIES SERVICE OIL & GAS CORP.112,2001984-06-21
902CITIES SERVICE OIL & GAS CORP.113,3011984-06-21
4102 CCITIES SERVICE OIL & GAS CORP.113,1271983-12-06
3SCITIES SERVICE OIL & GAS CORP.310,8501983-06-21
1003 T42-329-00196--------
406 C42-329-00429--------
411 C42-329-00392--------
412 C42-329-00384--------
4202 L42-329-02049--------
4211 C42-329-00412--------
901 C42-329-02034--------
EOF // multi-state drilling data platform // 2026