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MCMILLEN 21-1

Lease 1035884026 · Wilson County, Kansas · Sec 21 T28S R17E · DOR 227301

Gas2006–20261 well
Operator
River Rock Operating, LLC
Cumulative (state figure)
106,379 MCF
First production
2006
Last production
2026
Location (PLSS)
Sec 21 T28S R17E

Monthly gas production

237 months filed with the Kansas Geological Survey, May 2006 to Apr 2026. Volumes are MCF at lease level — a lease can cover many wells, so this is not a well's output.

Total over the months shown
106,379 MCF
Months filed
237
Most wells in a month
1
MonthGas (MCF)Wells
Apr 20261221
Mar 20261261
Feb 20261141
Jan 20261261
Dec 20251261
Nov 20251221
Oct 20251261
Sep 20251221
Aug 20251261
Jul 20251261
Jun 20251221
May 20251261
Apr 20251221
Mar 20251261
Feb 20251141
Jan 20251261
Dec 20241261
Nov 20241151
Oct 2024851
Sep 202421
May 20242081
Apr 20242221
Mar 20242281
Feb 20242271
Jan 20242451
Dec 20232571
Nov 20231751
Oct 20231741
Sep 2023961
Aug 20232521
Jul 20233331
Jun 20233261
May 20233421
Apr 20233281
Mar 20233141
Feb 20232861
Jan 20233181
Dec 20223241
Nov 20223201
Oct 20223411
Sep 20223371
Aug 20223441
Jul 20223531
Jun 20223291
May 20223401
Apr 20223281
Mar 20223371
Feb 20222951
Jan 20223311
Dec 20213381
Nov 20213301
Oct 20213401
Sep 20213101
Aug 20211201
Jul 20213321
Jun 20213461
May 20213581
Apr 20213471
Mar 20213391
Feb 20212061
Jan 20213361
Dec 20203561
Nov 20203521
Oct 20203601
Sep 20203521
Aug 20203691
Jul 20203761
Jun 20203551
May 20202631
Apr 2020591
Mar 20201911
Feb 20204141
Jan 20204491
Dec 20194611
Nov 20194501
Oct 20194751
Sep 20193811
Aug 20194641
Jul 20194481
Jun 20194201
May 20194181
Apr 20193901
Mar 20193901
Feb 20193481
Jan 20193991
Dec 20184251
Nov 20184191
Oct 20184381
Sep 20184181
Aug 20184291
Jul 20184291
Jun 20183581
May 20183531
Apr 20183991
Mar 20184251
Feb 20183691
Jan 20183911
Dec 20174011
Nov 20174041
Oct 20174281
Sep 20174011
Aug 20174151
Jul 20174041
Jun 20174031
May 20174201
Apr 20174221
Mar 20174441
Feb 20174091
Jan 20174611
Dec 20164551
Nov 20164371
Oct 20164551
Sep 20164671
Aug 20163081
Jul 20162581
Jun 20164201
May 20163911
Apr 20163541
Mar 20163801
Feb 20163581
Jan 20163661
Dec 20153861
Nov 20153691
Oct 20153861
Sep 20153701
Aug 20153731
Jul 20153851
Jun 20153711
May 20153951
Apr 20153911
Mar 20154041
Feb 20153881
Jan 20154381
Dec 20144011
Nov 20143971
Oct 20144001
Sep 20143551
Aug 20143631
Jul 20143791
Jun 20143861
May 20143611
Apr 20143601
Mar 20143761
Feb 20144411
Jan 20144341
Dec 20134251
Nov 20133881
Oct 20134071
Sep 20133911
Aug 20134221
Jul 20134011
Jun 20133811
May 20133771
Apr 20133621
Mar 20134021
Feb 20133801
Jan 20134481
Dec 20124701
Nov 20124391
Oct 20124421
Sep 20124461
Aug 20124441
Jul 20124561
Jun 20124501
May 20124731
Apr 20124721
Mar 20124901
Feb 20124511
Jan 20125021
Dec 20115321
Nov 20115191
Oct 20115191
Sep 20115121
Aug 20115561
Jul 20115501
Jun 20115251
May 20115931
Apr 20116051
Mar 20116441
Feb 20115541
Jan 20116611
Dec 20108861
Nov 20108891
Oct 20106281
Sep 20106311
Aug 20106701
Jul 20106891
Jun 20106701
May 20107111
Apr 20108901
Mar 20101,1951
Feb 20101,2511
Jan 20101,0581
Dec 20098751
Nov 20097431
Oct 20097641
Sep 20097621
Aug 20098021
Jul 20098041
Jun 20097991
May 20098361
Apr 20098191
Mar 20098591
Feb 20097921
Jan 20098891
Dec 20087941
Nov 20088731
Oct 20088991
Sep 20088851
Aug 20087851
Jul 20087351
Jun 20087951
May 20087041
Apr 20086711
Mar 20087231
Feb 20086801
Jan 20087241
Dec 20076941
Nov 20076611
Oct 20077041
Sep 20077361
Aug 20078001
Jul 20076011
Jun 20077871
May 20078431
Apr 20078871
Mar 20079251
Feb 20079001
Jan 20071,0441
Dec 20068571
Nov 20067451
Oct 20066691
Sep 20064941
Aug 20062641
Jul 20061781
Jun 20062001
May 2006461

Lease-level volumes as filed with the Kansas Geological Survey. A blank well count is a month the state filed no count for, not a month with no wells.

Wells on this lease

1 well the state's well register assigns to this lease. Every one has a page.

WellNo.OperatorStatus
BILL MCMILLEN1-21River Rock Operating, LLCProducing

Location

37.595211, -95.552895 · Sec 21 T28S R17E

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1035884026. The state’s own record.