SCHUMACHER, W. M.

Oil // district 10 // lease#12393

op: PIONEER NATURAL RES. USA, INC.

cum_oil

293k BBL

cum_gas

0 MCF

wells

23

production

1993-01 — 2026-03

peak_month

1994-08

-- production_history

cum_oil: 292,916 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,685 BBL/mo

Di (annual)

58.5%

b-factor

1.1

EUR

283,487 BBL

R-squared

0.903

type

hyperbolic

-- wells (23)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
23PARKER & PARSLEY DEVELOPMENT L.P23,6002023-06-05
23WPARKER & PARSLEY DEVELOPMENT L.P23,6002023-06-05
19GUTHRIE, A. K. OPERATING CO.23,5002012-11-14
24WPARKER & PARSLEY DEVELOPMENT L.P13,6001997-02-25
22PARKER & PARSLEY DEVELOPMENT L.P13,6001997-02-05
21WPARKER & PARSLEY DEVELOPMENT L.P13,4001996-05-29
20GUTHRIE, A. K. OPERATING CO.13,5001984-08-14
17GUTHRIE, A. K. OPERATING CO.13,5001983-05-23
18GUTHRIE, A. K. OPERATING CO.13,5001983-05-23
15GUTHRIE, A. K. OPERATING CO.13,5001982-09-29
16GUTHRIE, A. K. OPERATING CO.13,5001982-09-29
13GUTHRIE, A. K. OPERATING CO.13,5001982-03-15
14GUTHRIE, A. K. OPERATING CO.13,5001982-03-15
11GUTHRIE, A. K. OPERATING CO.13,5001980-10-01
12GUTHRIE, A. K. OPERATING CO.13,5001980-10-01
10GUTHRIE, A. K. OPERATING CO.13,5001979-05-08
9WGUTHRIE, A. K. OPERATING CO.13,5001979-05-08
142-335-00645--------
242-335-00646--------
342-335-00647--------
642-335-10182--------
742-335-30562--------
842-335-01545--------
EOF // data source: Texas Railroad Commission // 2026