BYRD-BERRY UNIT

Oil // district 11 // lease#65856

op: SOUTHWEST ROYALTIES, INC.

cum_oil

375k BBL

cum_gas

0 MCF

wells

38

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 375,125 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,948 BBL/mo

Di (annual)

8.2%

b-factor

0.8

EUR

435,479 BBL

R-squared

0.790

type

hyperbolic

-- wells (38)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
201WSDEMINEX U. S. OIL CO.13501986-10-23
216DEMINEX U. S. OIL CO.11,8001980-04-29
217DEMINEX U. S. OIL CO.11,8001980-04-29
214DEMINEX U. S. OIL CO.11,8001979-12-31
215DEMINEX U. S. OIL CO.11,8001979-12-31
212DEMINEX U. S. OIL CO.11,8001979-11-20
213DEMINEX U. S. OIL CO.11,8001979-11-20
211CRESLENN OIL COMPANY11,7501977-10-25
210CRESLENN OIL COMPANY11,7501977-10-07
10142-335-00465--------
10242-335-00466--------
10342-335-00467--------
20142-335-30235--------
20242-335-30275--------
20342-335-30481--------
20442-335-30529--------
20542-335-30536--------
20642-335-30538--------
20742-335-30631--------
20842-335-30661--------
20942-335-30665--------
301WS42-335-00789--------
30242-335-00790--------
30342-335-00791--------
30442-335-00792--------
40142-335-00846--------
40242-335-00848--------
40342-335-00849--------
40442-335-00851--------
40542-335-00852--------
40642-335-00853--------
40742-335-00854--------
40842-335-00855--------
40942-335-00856--------
41042-335-00857--------
41142-335-00858--------
50142-335-00135--------
50242-335-00136--------
EOF // data source: Texas Railroad Commission // 2026