PERMITS · ALL ON FILE

Sem Operating Company LLC permits

Newest first by issue date. A window counts the day each permit first appeared in Railroad Commission daily files, which runs a few days behind. How permits work →

309 permits match

404 FILINGS · 309 PERMITS · PAGE 1 OF 5

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PermitSeenIssuedOperatorCountyLease / wellDepthAPI
919384Oct 23, 2026Oct 21, 2026Sem Operating Company LLCIrionUniversity 40 A #0405WCH10,00023536794
919383Oct 23, 2026Oct 21, 2026Sem Operating Company LLCIrionUniversity 40 A #0403WCH10,00023536793
919380Oct 21, 2026Oct 19, 2026Sem Operating Company LLCCrockettUniversity 40 B #1603WCH10,00010542579
919379Oct 21, 2026Oct 19, 2026Sem Operating Company LLCCrockettUniversity 40 B #1601WCH10,00010542578
917106Jul 14, 2026Jul 14, 2026Sem Operating Company LLCIrionUniversity 40 #1102WAH10,00023536784
917033Jul 13, 2026Jul 13, 2026Sem Operating Company LLCCrockettUniversity 40 #1511WCH10,00010542577
917032Jul 13, 2026Jul 13, 2026Sem Operating Company LLCCrockettUniversity 40 #1509WCH10,00010542576
917031Jul 13, 2026Jul 13, 2026Sem Operating Company LLCCrockettUniversity 40 #1507WCH10,00010542575
917028Jul 13, 2026Jul 13, 2026Sem Operating Company LLCCrockettUniversity 40 #1503WCH10,00010542574
915430May 11, 2026May 11, 2026Sem Operating Company LLCIrionUniversity 40 E #1803WCH10,00023536766
915430AmendmentMay 11, 2026May 11, 2026Sem Operating Company LLCIrionUniversity 40 E #1803WCH10,00023536766
915429May 8, 2026May 8, 2026Sem Operating Company LLCIrionUniversity 40 E #1803WBH10,00023536765
915429AmendmentMay 8, 2026May 8, 2026Sem Operating Company LLCIrionUniversity 40 E #1803WBH10,00023536765
914036Mar 12, 2026Mar 12, 2026Sem Operating Company LLCIrionUniversity 40D #0703WCH10,00023536748
914031Mar 12, 2026Mar 12, 2026Sem Operating Company LLCIrionUniversity 40D #0701WCH10,00023536747
913833Mar 6, 2026Mar 6, 2026Sem Operating Company LLCIrionUniversity 40 #1310WCH10,00023536746
913832Mar 6, 2026Mar 6, 2026Sem Operating Company LLCIrionUniversity 40 #1306WCH10,00023536745
913831Mar 6, 2026Mar 6, 2026Sem Operating Company LLCIrionUniversity 40 #1304WCH10,00023536744
913830Mar 6, 2026Mar 6, 2026Sem Operating Company LLCIrionUniversity 40 #1302WCH10,00023536743
912174Jan 5, 2026Jan 5, 2026Sem Operating Company LLCCrockettUniversity 40 C #1803WCH10,00010542568
912173Jan 5, 2026Jan 5, 2026Sem Operating Company LLCCrockettUniversity 40 C #1803WBH10,00010542567
910521Sep 24, 2025Sep 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #3005WBH10,00038342204
910518Sep 24, 2025Sep 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #3004WCH10,00038342203
910517Sep 24, 2025Sep 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #3004WBH10,00038342202
910516Sep 24, 2025Sep 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #3003WCH10,00038342201
910515Sep 24, 2025Sep 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #3003WBH10,00038342200
909213AmendmentJul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1106WBH10,00023536705
909214AmendmentJul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1109WCH10,00023536706
909215AmendmentJul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1104WAH10,00023536707
909215Jul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1109WCH10,00023536707
909214Jul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1108WBH10,00023536706
909213Jul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1106WBH10,00023536705
909211Jul 14, 2025Jul 14, 2025Sem Operating Company LLCIrionUniversity 40 #1104WBH10,00023536704
906772Mar 21, 2025Mar 21, 2025Sem Operating Company LLCIrionUniversity 43 #1014WCH10,00023536693
906770Mar 21, 2025Mar 21, 2025Sem Operating Company LLCIrionUniversity 43 #1012WBH10,00023536692
906769Mar 21, 2025Mar 21, 2025Sem Operating Company LLCIrionUniversity 43 #1010WCH10,00023536691
906114Feb 25, 2025Feb 25, 2025Sem Operating Company LLCReaganUniversity 10-11 #2903WCH10,00038341973
906113Feb 24, 2025Feb 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #2903WBH10,00038341972
906112Feb 24, 2025Feb 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #2902WCH10,00038341971
906111Feb 24, 2025Feb 24, 2025Sem Operating Company LLCReaganUniversity 10-11 #2902WBH10,00038341970
905174Jan 17, 2025Jan 17, 2025Sem Operating Company LLCReaganUniversity 9 #2109WCH10,00038341920
905172Jan 17, 2025Jan 17, 2025Sem Operating Company LLCReaganUniversity 9 #2107WCH10,00038341919
904168Nov 22, 2024Nov 22, 2024Sem Operating Company LLCReaganUniversity 9 #2219WAH10,00038341913
904167Nov 22, 2024Nov 22, 2024Sem Operating Company LLCReaganUniversity 9 #2213WAH10,00038341912
904166Nov 22, 2024Nov 22, 2024Sem Operating Company LLCReaganUniversity 9 #2207WAH10,00038341911
901821Aug 14, 2024Aug 14, 2024Sem Operating Company LLCReaganUniversity 9C #1110WCH10,00038341820
901819Aug 14, 2024Aug 14, 2024Sem Operating Company LLCReaganUniversity 9C #1106WCH10,00038341818
901818Aug 14, 2024Aug 14, 2024Sem Operating Company LLCReaganUniversity 9C #1106WAH10,00038341817
901820Aug 9, 2024Aug 9, 2024Sem Operating Company LLCReaganUniversity 9C #1110WAH10,00038341819
899497May 8, 2024May 8, 2024Sem Operating Company LLCReaganUniversity 2-58 #2505WAH10,00038341748
899496May 8, 2024May 8, 2024Sem Operating Company LLCReaganUniversity 2-58 #2504WDH15,00038341747
899495May 8, 2024May 8, 2024Sem Operating Company LLCReaganUniversity 2-58 #2503WDH15,00038341746
899493May 8, 2024May 8, 2024Sem Operating Company LLCReaganUniversity 2-58 #2503WAH15,00038341743
899492May 8, 2024May 8, 2024Sem Operating Company LLCReaganUniversity 2-58 #2501WAH15,00038341742
897742Mar 6, 2024Mar 6, 2024Sem Operating Company LLCReaganUniversity 9 #2013WBH10,00038341709
897741Mar 6, 2024Mar 6, 2024Sem Operating Company LLCReaganUniversity 9 #2013WAH10,00038341708
897740Mar 6, 2024Mar 6, 2024Sem Operating Company LLCReaganUniversity 9 #2009WAH10,00038341703
895594Dec 4, 2023Dec 4, 2023Sem Operating Company LLCReaganUniversity 10-11 #3001WCH10,00038341625
895593Dec 4, 2023Dec 4, 2023Sem Operating Company LLCReaganUniversity 10-11 #3001WAH10,00038341624
895593AmendmentDec 4, 2023Dec 4, 2023Sem Operating Company LLCReaganUniversity 10-11 #3001WBH10,00038341624
895592Dec 4, 2023Dec 4, 2023Sem Operating Company LLCReaganUniversity 10-11 #2905WCH10,00038341623
895591Dec 4, 2023Dec 4, 2023Sem Operating Company LLCReaganUniversity 10-11 #2905WAH10,00038341622
894462Oct 12, 2023Oct 12, 2023Sem Operating Company LLCReaganUniversity 27-34 #11WAH10,00038341553
894461Oct 12, 2023Oct 12, 2023Sem Operating Company LLCReaganUniversity 27-34 #03WBH10,00038341552
893701Sep 20, 2023Sep 20, 2023Sem Operating Company LLCReaganUniversity 27-34 #07WAH10,00038341527
893700Sep 19, 2023Sep 19, 2023Sem Operating Company LLCReaganUniversity 27-34 #05WDH10,00038341526
893699Sep 19, 2023Sep 19, 2023Sem Operating Company LLCReaganUniversity 27-34 #01WDH10,00038341525
893430Sep 6, 2023Sep 6, 2023Sem Operating Company LLCReaganUniversity 9C #0109WAH10,00038341524
893429Sep 6, 2023Sep 6, 2023Sem Operating Company LLCReaganUniversity 9C #0111WAH10,00038341523
893428Sep 6, 2023Sep 6, 2023Sem Operating Company LLCReaganUniversity 9C #0111WCH10,00038341522
892327Jul 25, 2023Jul 25, 2023Sem Operating Company LLCReaganUniversity 9C #1211WDH10,00038341466
892327AmendmentJul 25, 2023Jul 25, 2023Sem Operating Company LLCReaganUniversity 9C #1211WDH15,00038341466
890579May 17, 2023May 17, 2023Sem Operating Company LLCReaganUniversity 9C #1209WCH10,00038341395
890576May 17, 2023May 17, 2023Sem Operating Company LLCReaganUniversity 9C #1207WBH10,00038341394
890575May 17, 2023May 17, 2023Sem Operating Company LLCReaganUniversity 9C #1205WCH10,00038341393
890573May 17, 2023May 17, 2023Sem Operating Company LLCReaganUniversity 9C #1203WAH10,00038341392
890484May 16, 2023May 16, 2023Sem Operating Company LLCReaganUniversity 9C #0107WCH10,00038341391
890482May 16, 2023May 16, 2023Sem Operating Company LLCReaganUniversity 9C #0105WAH10,00038341390
889792Apr 20, 2023Apr 20, 2023Sem Operating Company LLCReaganUniversity 27-34 #09WBH10,00038341381
889791Apr 20, 2023Apr 20, 2023Sem Operating Company LLCReaganUniversity 27-34 #03WAH10,00038341380
889790Apr 20, 2023Apr 20, 2023Sem Operating Company LLCReaganUniversity 27-34 #01WAH10,00038341379
887499Feb 6, 2023Feb 6, 2023Sem Operating Company LLCIrionUniversity 43 #0914WCH10,00023536575
887497Jan 26, 2023Jan 26, 2023Sem Operating Company LLCIrionUniversity 43 #0910WCH10,00023536574
887495Jan 26, 2023Jan 26, 2023Sem Operating Company LLCIrionUniversity 43 #0906WCH10,00023536571
887494Jan 26, 2023Jan 26, 2023Sem Operating Company LLCIrionUniversity 43 #0902WCH10,00023536570
886046Dec 7, 2022Dec 7, 2022Sem Operating Company LLCReaganUniversity 2-58 #2511WAH10,00038341273
886044Dec 7, 2022Dec 7, 2022Sem Operating Company LLCReaganUniversity 2-58 #2509WAH10,00038341272
886038Dec 7, 2022Dec 7, 2022Sem Operating Company LLCReaganUniversity 2-58 #2507WAH10,00038341271
886036Dec 7, 2022Dec 7, 2022Sem Operating Company LLCReaganUniversity 2-58 #2501WDH10,00038341270
885761Nov 15, 2022Nov 15, 2022Sem Operating Company LLCIrionUniversity 43 #R903WCH10,00023536563
883632Sep 15, 2022Sep 15, 2022Sem Operating Company LLCIrionUniversity 43 #0911WCH10,00023536551
882721Aug 11, 2022Aug 11, 2022Sem Operating Company LLCIrionUniversity 43 #0901WCH10,00023536541
882809Aug 10, 2022Aug 10, 2022Sem Operating Company LLCCrockettUniversity 40 #2109WBH10,00010542524
882780Aug 9, 2022Aug 9, 2022Sem Operating Company LLCReaganUniversity 9C #0101WAH10,00038341197
882780AmendmentAug 9, 2022Aug 9, 2022Sem Operating Company LLCReaganUniversity 9C #0101WAH10,00038341197
882780AmendmentAug 9, 2022Aug 9, 2022Sem Operating Company LLCReaganUniversity 9C #0109WBH10,00038341197
882779Aug 9, 2022Aug 9, 2022Sem Operating Company LLCReaganUniversity 9C #3609WCH10,00038341196
882779AmendmentAug 9, 2022Aug 9, 2022Sem Operating Company LLCReaganUniversity 9C #3611WAH10,00038341196
882778Aug 5, 2022Aug 5, 2022Sem Operating Company LLCReaganUniversity 9C #3611WAH10,00038341195
882778AmendmentAug 5, 2022Aug 5, 2022Sem Operating Company LLCReaganUniversity 9C #0101WAH10,00038341195

About this data

Drilling permits from the RRC OGA049M master and the daily daf420 files, keyed on the day each permit first appeared in those files. Operator names as filed; application types per the RRC code table.

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