DORA ROBERTS RANCH DEVONIAN UNIT

Oil // district 10 // lease#29629

op: OXY USA WTP LP

cum_oil

96k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

1995-03

-- production_history

cum_oil: 95,674 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

732 BBL/mo

Di (annual)

13.1%

b-factor

0.0

EUR

67,084 BBL

R-squared

0.418

type

exponential

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4611OXY USA WTP LP312,9002012-05-17
4610OXY USA INC.212,9002000-07-05
4605HOXY USA INC.212,4851999-11-29
4501OXY USA INC.112,3981995-01-26
4505CITIES SERVICE OIL & GAS CORP.112,4301984-08-13
4603CITIES SERVICE OIL & GAS CORP.112,3001983-08-18
EOF // multi-state drilling data platform // 2026