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Oklahoma's Most Productive Conventional Reservoir

The Oswego Formation is a conventional limestone reservoir spanning nearly two-thirds of Oklahoma, from the northwest to the southeast. It is one of the state's most historically significant and productive oil-bearing formations, with continuous production documented for over a century.

225+ horizontal wells drilled in Kingfisher County alone have generated $2.2 billion in documented cumulative production. The top-performing well, the Dover, has delivered 703,000 barrels over 11 years and is still producing. These are not projections. Every number is verifiable through the Oklahoma Corporation Commission.

Oswego Wells Summary

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Wells producing >70k BBL represent 69.33% of Kingfisher County Oswego horizontal wells.

225

Total Oswego Wells

7,976

Avg Monthly Oil/Well

3,990

Avg Monthly Gas/Well

Well Production Data

#	Well Name	Months	Cum. Oil (BBL)	Cum. Gas (MCF)
1	LINCOLN SOUTHEAST OSWEGO UNIT 88-2 HO	42	171,037	236,052
2	BOLLENBACH 36_17-6 1H	87	165,515	215,597
3	DOVER UNIT (OOID) 1OH—24	139	702,563	682,926
4	LUBER 21-18-7 2HC	70	595,298	370,944
5	HUGHES TRUST 33-18-7 1H	118	425,568	657,352
6	BOLLENBACH 36417-6 2H	87	383,328	516,227
7	BULLIS1-17-71HC	83	372,092	640,473
8	DOVER UNIT (TRIFECTA) 1807 2OH—14	122	370,939	262,827
9	STATES 15-18-6 4HC	80	336,122	523,046
10	BULLIS1-17~7 2HC	83	331,733	521,669
11	SMITH 24-17-7 ZHC	71	326,960	573,031
12	BULLIS 1-17-7 3HC	83	318,475	508,640
13	HARRIS 12-17~7 5HC	77	301,314	384,999
14	DOVER UNIT (TRIFECTA)1OH-14	131	301,252	262,582
15	MORRIS 31-18-61H	97	293,141	293,256
16	CURTIS 29-18-6 2H	90	274,869	416,512
17	BILLY BOB 2448-71H	78	268,337	536,746
18	EARL 14-18-6 4HC	83	268,124	1,090,930
19	HENNESSEY UN\|T#1-2H OS	127	267,193	299,444
20	LINCOLN SOUTHEAST OSWEGO UNIT 8-2 HO	127	265,474	833,322
21	HARRIS 12-17~7 4HC	77	263,923	416,756
22	LINCOLN SOUTHEAST OSWEGO UNIT 43-4 HO	61	263,245	416,854
23	RUTH 15-16-6 3HC	75	262,188	390,825
24	GABRIEL 34—19—6 3HC	79	251,971	525,537
25	RUTH 15-16-6 2HC	75	249,141	391,038
26	KOOPA 23 O1 H	81	248,255	785,371
27	KOOPA 23 O5H	77	246,086	802,820
28	LINCOLN SE OSWEGO UNIT 93-6H0	43	245,553	175,806
29	CALDWELL 22-18—6 1H	102	240,266	719,949
30	EMERY 31-18-6 3H	93	236,735	207,193
31	RANDALL 31-18-6 4HC	41	217,966	308,282
32	WALT 26 O3HX	60	212,175	543,194
33	STITT 7-17-6 2H	98	211,804	417,683
34	MARTIN 34-19-6 1HC	75	210,084	352,947
35	RUTH 10-16-6 4HC	36	209,720	545,105
36	JOHN 15-16-61HC	83	208,203	258,714
37	INGLE 32-18-61H	103	204,884	266,177
38	HENNESSEY UNIT #2-3H OS	125	203,422	339,070
39	EMMERICH 30-18-6 5HC	70	198,577	536,245
40	PHYLLIS 35-O4H	89	195,174	516,044
41	GM 12—17—7 1HC	81	193,809	268,512
42	MORRIS 31-18-6 2H	97	193,655	151,003
43	BRIDAL 22-18-6 2H	92	193,221	823,156
44	EUGENE 2Q186 1H	101	190,802	470,797
45	GM 12—17—7 ZHC	81	189,133	285,000
46	LSEO UNIT 35-2HO TRACT 35-A	34	189,009	730,244
47	LSEO UNIT 36-3HO TRACT 36-A	34	187,871	361,532
48	STITT 7-17-6 4HC	73	184,790	379,694
49	SMITH 946-6 1HC	71	171,876	285,803
50	MUEGGENBORG 7-17-61H	104	169,830	237,484
51	LINCOLN SOUTHEAST OSWEGO UNIT 89-3 HO	44	169,757	349,005
52	DOVER UNIT (TITANIA) 18071OH-13	115	167,857	424,271
53	LINCOLN SOUTHEAST OSWEGO UNIT 90-3 HO	37	164,087	187,550
54	KOOPA 23 OZH	79	164,055	542,027
55	MARTIN 34-19-6 2HC	75	163,436	236,350
56	SCHUELEIN 12-18<6 2H	94	163,033	1,081,783
57	DOVER UNIT (TRIAD) 1OH-12	129	162,131	216,431
58	LINCOLN SOUTHEAST OSWEGO UNIT 37-3 HO	42	161,945	176,420
59	EARL 14—18—6 2H	89	161,443	421,787
60	STITT 7-17-6 3H	98	161,435	297,700
61	LINCOLN SOUTHEAST OSWEGO UNIT 59-1 HO	39	161,257	189,205
62	CURTIS 29—18-6 3H	90	154,551	258,642
63	EARL 14—18~6 1H	89	153,543	490,490
64	HELEN 6-17-6 3H	93	153,172	217,329
65	PERDUE 23-17-71H	85	152,391	299,630
66	LINCOLN SOUTHEAST OSWEGO UNIT 57-3 HO	38	148,748	186,714
67	DOVER UNIT (CARDINAL) 1MH—27	139	147,258	1,820,816
68	GM 12—17—7 3HC	81	147,118	222,546
69	MUEGGENBORG 5-17-61H	88	146,066	309,265
70	FARRAR11-18-61H	101	144,940	278,892
71	HENNESSEY UN\|T#1-3H OS	121	144,089	193,257
72	SYDENA 1807 1OH-29	109	141,642	110,792
73	HELEN 6—17—6 2H	93	141,425	166,981
74	PERDUE 23-17-7 2H	85	140,589	247,895
75	LINCOLN SOUTHEAST OSWEGO UNIT 24-4 HO	38	139,279	139,888
76	DOVER UNIT (TRINITY) 1807 1OH-26	121	138,862	171,537
77	FOSTER 31-17-5 3H	95	137,357	261,313
78	DOVER UNIT (CALLISTO) 1807 10H-23	123	137,213	142,567
79	DOVER UNIT (TRIAD) 1807 2OH-12	115	136,388	577,213
80	HILL 2-18-6 1H	99	135,535	182,694
81	HASTY 3-18-6 1H	103	133,884	211,883
82	LIGHTLE 4-18-6 1H	101	129,753	168,031
83	LSEOU 9O-2HO	40	128,048	274,954
84	EARL 14-18-6 3H	89	127,295	293,400
85	HENNESSEY UN\|T#3-11H OS	130	126,481	129,056
86	JUSTIN 8-17-61H	88	126,400	133,671
87	GABRIEL 34-19-6 1H	78	125,158	304,639
88	FARRAR 11-18-6 2H	90	124,007	307,681
89	DOVER UNIT (TRITON) 1807 1OH-15	112	123,708	151,440
90	PEARL 3-18-6 4H	93	120,987	158,645
91	VINCENT 25-18-7 1H	103	120,862	423,652
92	THEMER 6-17-61H	104	120,728	135,069
93	LINCOLN SOUTHEAST OSWEGO UNIT 88-2 HO	40	120,378	379,936
94	WESLEY 28-18-6 'IHC	74	119,721	308,019
95	BRIDAL 22-18-6 3H	92	118,355	372,175
96	LINCOLN SOUTHEAST OSWEGO UNIT 50-3 HO	39	116,552	177,369
97	DOVER UNIT (TRIPOLI) 1807 2OH-22	112	115,383	187,815
98	LINCOLN SOUTHEAST OSWEGO UNIT 57-3 HO	44	115,276	128,266
99	LINCOLN SOUTHEAST OSWEGO UNIT 59-1 HO	31	112,211	275,318
100	LINCOLN SOUTHEAST OSWEGO UNIT 19-4 HO	35	112,115	151,286
101	FARRAR 11-18—6 3H	90	112,095	329,279
102	HENNESSEY UNIT 1-11H OS	131	111,808	91,950
103	LINCOLN SE OSWEGO UNIT LSEOU 9 HO	29	110,983	282,478
104	HENNESSEY UNIT 1-9H OS	121	110,895	147,754
105	HENNESSEY UN\|T#1—1OH OS	129	110,569	100,043
106	BEVERLY 22-17-7 1H	36	109,764	207,842
107	OGALLALA18-0601 1OH	80	108,753	475,853
108	FOSTER 31-17~5 2H	95	108,358	151,258
109	LINCOLN NORTH UNIT 81-4H0	32	108,267	205,963
110	LSE OSWEGO UNIT LSE OSWEGO UN	10	107,358	110,974
111	CAROLYN 304876 2H	96	107,168	233,525
112	LINCOLN SOUTHEAST OSWEGO UNIT 94-3 HO	36	107,061	121,626
113	HENNESSEY UN\|T#2—1‘\|H OS	131	105,352	93,017
114	LINCOLN SOUTHEAST OSWEGO UNIT 91-3 HO	29	104,324	143,130
115	POLLARD 15-18-6 1H	82	104,138	281,113
116	LINCOLN SOUTHEAST OSWEGO UNIT 94-2 HO	36	103,737	249,054
117	CAROLYN 30—18-6 3H	96	103,605	274,324
118	PEARL 3-18-6 2H	93	103,418	194,451
119	RITA 27-18-6 1HC	36	103,374	387,489
120	OK STATE 18-17-6 1H	91	100,950	194,446
121	LINCOLN SOUTHEAST OSWEGO UNIT 39-3 HO	39	100,587	111,781
122	STUTEVILLE 23-17-7 3H	80	100,436	168,132
123	LINCOLN NORTH UNIT 53-2H0	31	100,184	179,101
124	LINCOLN SE OSWEGO UNIT 97-3H0	57	93,698	69,377
125	LINCOLN NORTH UNIT 81~3HO	36	92,907	190,533
126	SCHUELEIN 1248-6 3H	94	92,775	797,035
127	HENNESSEY UNIT 2-9H	120	91,567	88,106
128	LUBER 28-18-7 1H	108	89,743	67,550
129	ANDERSON 31—19—5 2H	96	89,449	575,809
130	TOMAHAWK 7-1 H	102	89,041	115,959
131	PHYLLIS 3502SH	74	88,820	164,243
132	BIG FOUR 17061OH~36	91	87,670	213,198
133	MUEGGENBORG 5-17-6 2H	88	86,859	187,252
134	EUGENE 29418-6 4H	38	86,784	403,721
135	LINCOLN N UNIT 113*3HO TRACT 1134	33	86,030	153,391
136	LINCOLN SOUTHEAST OSWEGO UNIT 589-4 HO	38	84,717	180,475
137	KOOPA 23 03H	43	82,646	261,146
138	LINCOLN NORTH UNIT 51-4H0	40	81,928	247,255
139	LINCOLN SOUTHEAST OSWEGO UNIT 18-1 HO	35	81,618	125,590
140	VIVIAN 13-18-6 1H	93	81,582	455,220
141	PEARL 3-18-6 3H	93	79,250	147,114
142	LINCOLN NORTH UNIT 42'4HO	37	78,896	221,410
143	EMMERICH 30-18-61H	121	78,751	245,679
144	MUEGGENBORG 5-17-6 3H	88	77,626	214,546
145	LINCOLN SOUTHEAST OSWEGO UNIT 56-3 HO	43	77,456	99,144
146	BUCHMANN 8~18-71H	85	77,100	132,623
147	TULE 18-06-10 2H	83	76,473	96,240
148	DOVER UNIT (TRELLIUM) 1807 #1OH-1	125	75,810	86,449
149	FOSTER 31—17~5 1 H	95	75,202	125,491
150	LINCOLN NORTH UNIT 80-5H0	32	74,537	132,120
151	OLTMANNS 26-1&5 1H	69	73,719	395,060
152	LINCOLN SOUTHEAST OSWEGO UNIT 89-2 HO	31	73,046	119,168
153	LINCOLN SOUTHEAST OSWEGO UNIT 89-2 HO	30	72,626	307,515
154	LINCOLN NORTH UNIT 82-4HO	33	72,206	228,446
155	BRADFORD 5-18-51H	90	70,042	375,892
156	BETH 324745 1H	33	41,230	68,032

Source: Petro Base Explorer / Oklahoma Corporation Commission. Click column headers to sort.

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