SOUTH MALLET UNIT

Oil · District 8A · Lease #67225

Operator: WINN OPERATING, LLC

Fields: SLAUGHTER

Cum Oil

857k BBL

Cum Gas

564k MCF

casinghead

Wells

144

Production

1994-04 — 2026-04

Peak Month

1995-01

Production History

Cum Oil: 857,230 BBL Cum Gas: 563,647 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,637 BBL/mo

Di (annual)

12.1%

b-factor

0.2

EUR

903,924 BBL

R-squared

0.944

type

hyperbolic

Operator History (from monthly production reports)

2022-03 — 2026-07 WINN OPERATING, LLC 53 mo
2013-12 — 2022-02 SCOUT ENERGY MANAGEMENT LLC 99 mo
2012-08 — 2013-11 TRINITY EOR, LLC 16 mo
2008-04 — 2012-07 SANDRIDGE TERTIARY, LLC 52 mo
2007-12 — 2008-03 PETROSOURCE PRODUCTION CO., LLC 4 mo
2005-01 — 2007-11 PETROSOURCE PRODUCTION CO. L.P. 35 mo
2003-10 — 2004-12 SHENANDOAH PETROLEUM CORPORATION 15 mo
1999-05 — 2003-09 SCYTHIAN, LTD. 53 mo
1995-03 — 1999-04 APACHE CORPORATION 50 mo
1994-04 — 1995-02 TEXACO E & P INC. 11 mo

Wells (144)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
118WWINN OPERATING, LLC15,0782019-03-28
219WWINN OPERATING, LLC15,0072019-03-28
120WWINN OPERATING, LLC15,1152019-01-03
162WINN OPERATING, LLC45,6002008-12-29
161WINN OPERATING, LLC25,6002008-11-03
142WINN OPERATING, LLC15,4002008-06-25
217WWINN OPERATING, LLC15,4002008-06-25
309WWINN OPERATING, LLC15,4002008-06-25
236WINN OPERATING, LLC25,4002008-06-16
318AWINN OPERATING, LLC25,4002008-06-10
318WWINN OPERATING, LLC25,4002008-06-10
310WWINN OPERATING, LLC15,2002006-01-23
304WINN OPERATING, LLC15,2002004-08-03
348WINN OPERATING, LLC25,1002004-08-03
201WINN OPERATING, LLC15,1002004-06-30
351WINN OPERATING, LLC15,1801990-07-13
237WINN OPERATING, LLC25,0351985-01-15
304WSWINN OPERATING, LLC11701983-12-28
235WINN OPERATING, LLC15,0301983-10-03
347WINN OPERATING, LLC15,1001983-10-03
349WINN OPERATING, LLC15,0601983-10-03
350WINN OPERATING, LLC15,0551983-09-29
321AWINN OPERATING, LLC15,1001977-12-02
10142-219-02786WINN OPERATING, LLC------
101WS42-219-81997WINN OPERATING, LLC------
102W42-219-02790WINN OPERATING, LLC------
10342-219-02794WINN OPERATING, LLC------
104W42-219-02798WINN OPERATING, LLC------
10542-219-02802WINN OPERATING, LLC------
106W42-219-02805WINN OPERATING, LLC------
10742-219-02809WINN OPERATING, LLC------
108W42-219-02815WINN OPERATING, LLC------
109W42-219-02817WINN OPERATING, LLC------
11042-219-02820WINN OPERATING, LLC------
11442-219-02836WINN OPERATING, LLC------
11742-219-02849WINN OPERATING, LLC------
119W42-219-02855WINN OPERATING, LLC------
12442-219-02872WINN OPERATING, LLC------
12542-219-02875WINN OPERATING, LLC------
12742-219-02878WINN OPERATING, LLC------
12942-219-02881WINN OPERATING, LLC------
12W42-079-02262WINN OPERATING, LLC------
13142-219-02884WINN OPERATING, LLC------
132W42-219-02885WINN OPERATING, LLC------
13342-219-02886WINN OPERATING, LLC------
134W42-219-02887WINN OPERATING, LLC------
13542-219-02888WINN OPERATING, LLC------
13642-219-30270WINN OPERATING, LLC------
13742-219-30271WINN OPERATING, LLC------
13842-219-30325WINN OPERATING, LLC------
1442-079-02264WINN OPERATING, LLC------
14042-219-30513WINN OPERATING, LLC------
14142-219-30514WINN OPERATING, LLC------
14342-219-30516WINN OPERATING, LLC------
14442-219-30554WINN OPERATING, LLC------
14642-219-30572WINN OPERATING, LLC------
14742-219-30570WINN OPERATING, LLC------
14842-219-30571WINN OPERATING, LLC------
14942-219-30683WINN OPERATING, LLC------
150W42-219-30611WINN OPERATING, LLC------
15242-219-30652WINN OPERATING, LLC------
15342-219-31594WINN OPERATING, LLC------
15442-219-31584WINN OPERATING, LLC------
15542-219-31583WINN OPERATING, LLC------
15642-219-31588WINN OPERATING, LLC------
15842-219-31586WINN OPERATING, LLC------
15942-219-31593WINN OPERATING, LLC------
201WS42-219-82095WINN OPERATING, LLC------
202W42-219-02791WINN OPERATING, LLC------
20342-219-02795WINN OPERATING, LLC------
204W42-219-02799WINN OPERATING, LLC------
20542-219-02803WINN OPERATING, LLC------
206W42-219-02806WINN OPERATING, LLC------
20842-219-02813WINN OPERATING, LLC------
209W42-219-02818WINN OPERATING, LLC------
21042-219-02821WINN OPERATING, LLC------
21142-219-02825WINN OPERATING, LLC------
21242-219-02829WINN OPERATING, LLC------
213W42-219-02833WINN OPERATING, LLC------
21442-219-02837WINN OPERATING, LLC------
215W42-219-02840WINN OPERATING, LLC------
21642-219-02845WINN OPERATING, LLC------
21842-219-02852WINN OPERATING, LLC------
21W42-219-02863WINN OPERATING, LLC------
22042-219-02860WINN OPERATING, LLC------
22142-219-10112WINN OPERATING, LLC------
221W42-219-10112WINN OPERATING, LLC------
22242-219-20169WINN OPERATING, LLC------
22342-219-30276WINN OPERATING, LLC------
22442-219-30275WINN OPERATING, LLC------
22542-219-30274WINN OPERATING, LLC------
22642-219-30273WINN OPERATING, LLC------
22742-219-30517WINN OPERATING, LLC------
227W42-219-02879WINN OPERATING, LLC------
22842-219-30518WINN OPERATING, LLC------
22942-219-30553WINN OPERATING, LLC------
229W42-079-02278WINN OPERATING, LLC------
230W42-219-30654WINN OPERATING, LLC------
231W42-219-30653WINN OPERATING, LLC------
23342-219-31592WINN OPERATING, LLC------
23442-219-31585WINN OPERATING, LLC------
2842-219-02880WINN OPERATING, LLC------
301W42-079-02245WINN OPERATING, LLC------
301WS42-079-80737WINN OPERATING, LLC------
30242-079-30025WINN OPERATING, LLC------
302P42-219-03285WINN OPERATING, LLC------
302WS42-079-30025WINN OPERATING, LLC------
305W42-079-81767WINN OPERATING, LLC------
30642-079-02256WINN OPERATING, LLC------
307W42-079-02257WINN OPERATING, LLC------
30842-079-02258WINN OPERATING, LLC------
31142-079-02261WINN OPERATING, LLC------
312W42-079-02262WINN OPERATING, LLC------
31342-219-03287WINN OPERATING, LLC------
315W42-079-02265WINN OPERATING, LLC------
316W42-079-02266WINN OPERATING, LLC------
31742-079-02267WINN OPERATING, LLC------
31942-079-02269WINN OPERATING, LLC------
32042-079-02270WINN OPERATING, LLC------
32242-079-02272WINN OPERATING, LLC------
324W42-079-02274WINN OPERATING, LLC------
325W42-219-03289WINN OPERATING, LLC------
32642-079-02276WINN OPERATING, LLC------
327W42-219-02879WINN OPERATING, LLC------
32842-079-02277WINN OPERATING, LLC------
329W42-079-02278WINN OPERATING, LLC------
33042-219-02883WINN OPERATING, LLC------
33142-079-81770WINN OPERATING, LLC------
33242-079-10353WINN OPERATING, LLC------
33342-079-30115WINN OPERATING, LLC------
33442-079-30114WINN OPERATING, LLC------
33542-079-30113WINN OPERATING, LLC------
33642-079-30112WINN OPERATING, LLC------
33742-079-30111WINN OPERATING, LLC------
33842-079-30116WINN OPERATING, LLC------
339W42-219-30623WINN OPERATING, LLC------
34042-219-30651WINN OPERATING, LLC------
34142-079-30087WINN OPERATING, LLC------
34242-079-30095WINN OPERATING, LLC------
34342-079-30096WINN OPERATING, LLC------
34442-079-30334WINN OPERATING, LLC------
34542-079-30333WINN OPERATING, LLC------
34642-219-31591WINN OPERATING, LLC------
3942-219-30327WINN OPERATING, LLC------