DORA ROBERTS RANCH UNIT

Oil // district 10 // lease#15873

op: OXY USA INC.

cum_oil

24k BBL

cum_gas

0 MCF

wells

20

production

1993-01 — 1996-09

peak_month

1994-11

-- production_history

cum_oil: 24,165 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,153 BBL/mo

Di (annual)

60.2%

b-factor

2.0

EUR

156,782 BBL

R-squared

0.434

type

hyperbolic

-- wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2201 COXY USA WTP LP112,5002016-09-02
1004OXY USA WTP LP213,1932002-12-12
1701OXY USA INC.113,2181997-07-22
1514OXY USA INC.213,2921995-02-13
2801OXY USA INC.212,6951994-04-04
1602OXY USA INC.113,2091993-03-09
906OXY USA INC.112,2971991-07-24
1605CITIES SERVICE OIL & GAS CORP.113,2301985-12-09
2213CITIES SERVICE OIL & GAS CORP.110,7501984-09-20
1612CITIES SERVICE OIL & GAS CORP.112,2651984-06-21
2107CITIES SERVICE OIL & GAS CORP.110,7751984-04-13
2205CITIES SERVICE OIL & GAS CORP.113,3001984-02-10
1005 C42-329-00403--------
1512 C42-329-00422--------
1609 C42-329-00438--------
1614 C42-329-00394--------
200142-329-00409--------
2103 C42-329-00423--------
210442-329-00193--------
2105 C42-329-00431--------
EOF // multi-state drilling data platform // 2026