DOLLARHIDE UNIT

Oil // district 10 // lease#13871

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

5.5M BBL

cum_gas

0 MCF

wells

59

production

1993-01 — 2026-03

peak_month

2006-04

-- production_history

cum_oil: 5,532,098 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

22,968 BBL/mo

Di (annual)

12.8%

b-factor

0.6

EUR

3,504,372 BBL

R-squared

0.821

type

hyperbolic

-- wells (59)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2507SCHEVRON MIDCONTINENT, L.P.19,0002011-03-08
2621SCHEVRON MIDCONTINENT, L.P.18,5982006-11-06
255SPURE RESOURCES, L.P.110,0002005-11-30
256SPURE RESOURCES, L.P.110,0002005-11-30
3515SPURE RESOURCES, L.P.210,0002005-11-30
394SPURE RESOURCES, L.P.110,0002005-11-30
254SPURE RESOURCES, L.P.29,0002003-03-13
3511SPURE RESOURCES, L.P.19,0002003-03-13
2501SUNION OIL COMPANY OF CALIFORNIA28,7252002-07-11
4014SPURE RESOURCES, L.P.18,6702002-07-10
3510SPURE RESOURCES, L.P.19,0502002-01-09
353SPURE RESOURCES, L.P.19,0002002-01-07
3912 SPURE RESOURCES, L.P.18,0002001-08-23
1645 CPURE RESOURCES, L.P.110,0002001-07-20
1645SPURE RESOURCES, L.P.110,0002001-07-20
3411SPURE RESOURCES, L.P.110,0002001-07-20
358SUNION OIL COMPANY OF CALIFORNIA210,0882001-07-20
4013SPURE RESOURCES, L.P.112,0002001-07-20
1831SRPURE RESOURCES, L.P.18,7002001-06-21
252SPURE RESOURCES, L.P.110,0002000-06-22
401SPURE RESOURCES, L.P.110,0002000-06-22
346SUNION OIL COMPANY OF CALIFORNIA12,8001998-10-22
2404SUNION OIL COMPANY OF CALIFORNIA28,6001995-09-11
3916SUNION OIL COMPANY OF CALIFORNIA18,3701995-05-30
4718SUNION OIL COMPANY OF CALIFORNIA18,0071991-11-18
4019SUNION OIL COMPANY OF CALIFORNIA110,0361990-10-31
332SUNION OIL COMPANY OF CALIFORNIA110,1201990-02-15
396SUNION OIL COMPANY OF CALIFORNIA110,1391980-04-16
356SUNION OIL COMPANY OF CALIFORNIA19,7631978-04-13
357SUNION OIL COMPANY OF CALIFORNIA19,7801978-04-13
1630S42-003-04960--------
1732S42-003-04841--------
201S42-003-03542--------
241S42-003-03544--------
243S42-003-30110--------
2536S42-003-04962--------
2541S42-003-04850--------
3081S42-003-03595--------
3316S42-003-04952--------
333S42-003-04818--------
3821S42-003-03585--------
3831S42-003-03595--------
3834S42-003-30087--------
3915S42-003-02661--------
3917S42-003-02663--------
4010S42-003-03574--------
4020S42-003-03584--------
4022S42-003-03586--------
4023S42-003-03587--------
402S42-003-03442--------
404S42-003-03563--------
405S42-003-03565--------
423S42-003-04089--------
424S42-003-04112--------
4711S42-003-02657--------
4811S42-003-03576--------
4812S42-003-03577--------
497S42-003-07813--------
X629S42-003-04959--------
EOF // data source: Texas Railroad Commission // 2026