Glasscock County Drilling Permits
Every permit issued by the Texas Railroad Commission in Glasscock County — updated daily, data through 2026-07-09.
Glasscock County permitting is running 27 permits a month over the trailing 90 days (81 total, up 27% on the prior quarter). PIONEER NATURAL RES. USA, INC. leads with 75 permits in the past 12 months, one of 16 operators active in the county.
Last 30 Days
26
Operators (30d)
2
Latest Permit
2026-07-09
All Time
11,521
11,521 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 2019-03-19 | 851099 | 42-173-38122 | ZANT 2321 #2301BH | XTO ENERGY INC. | DRILL | 8,850 | Y |
| 2019-03-19 | 851095 | 42-173-38121 | ZANT 2321 #2321SH | XTO ENERGY INC. | DRILL | 8,250 | Y |
| 2019-03-19 | 851095 | 42-173-38121 | ZANT 2321 #2321SH | XTO ENERGY INC. | DRILL | 8,250 | Y |
| 2019-03-19 | 851095 | 42-173-38121 | ZANT 2321 #2321SH | XTO ENERGY INC. | DRILL | 8,250 | Y |
| 2019-03-19 | 851091 | 42-173-31401 | GLASS 25C #4 | PARSLEY ENERGY OPERATIONS, LLC | FLD-XFR | 8,020 | |
| 2019-03-18 | 851150 | 42-173-32437 | GLASS 25CZ #13 | PARSLEY ENERGY OPERATIONS, LLC | FLD-XFR | 8,068 | |
| 2019-03-18 | 851048 | 42-173-31806 | GLASS 25CZ #7 | PARSLEY ENERGY OPERATIONS, LLC | FLD-XFR | 8,130 | |
| 2019-03-14 | 851039 | 42-173-32642 | CALVERLEY 36B #3 | PARSLEY ENERGY OPERATIONS, LLC | FLD-XFR | 8,190 | |
| 2019-03-14 | 851038 | 42-173-31585 | CALVERLEY 36 #1 | PARSLEY ENERGY OPERATIONS, LLC | FLD-XFR | 8,230 | |
| 2019-03-14 | 850918 | 42-173-38120 | FOSTER 4344 #5HD | CROWNQUEST OPERATING, LLC | DRILL | 10,500 | Y |
| 2019-03-08 | 850037 | 42-173-35757 | M.F. DUNN #1 | TRILOGY OPERATING, INC. | RECOMP | 12,000 | |
| 2019-03-07 | 850519 | 42-173-38119 | ONA 44-3 B #221 | ENDEAVOR ENERGY RESOURCES L.P. | DRILL | 11,000 | Y |
| 2019-03-07 | 850516 | 42-173-38118 | ONA 44-3 D #241 | ENDEAVOR ENERGY RESOURCES L.P. | DRILL | 11,000 | Y |
| 2019-03-07 | 850508 | 42-173-38117 | ONA 44-3 E #261 | ENDEAVOR ENERGY RESOURCES L.P. | DRILL | 11,000 | Y |
| 2019-03-06 | 850506 | 42-173-38116 | ONA 44-3 G #281 | ENDEAVOR ENERGY RESOURCES L.P. | DRILL | 11,000 | Y |
| 2019-03-05 | 850401 | 42-173-36278 | LACY CREEK 38 #2 | LAREDO PETROLEUM, INC. | FLD-XFR | 9,000 | |
| 2019-03-05 | 850401 | 42-173-36278 | LACY CREEK 38 #2 | LAREDO PETROLEUM, INC. | FLD-XFR | 9,000 | |
| 2019-03-05 | 850400 | 42-173-34745 | LACY CREEK 38 #1 | LAREDO PETROLEUM, INC. | FLD-XFR | 9,000 | |
| 2019-03-05 | 850400 | 42-173-34745 | LACY CREEK 38 #1 | LAREDO PETROLEUM, INC. | FLD-XFR | 9,000 | |
| 2019-03-01 | 850434 | 42-173-36019 | V. E. PHILLIPS #1 | TRILOGY OPERATING, INC. | RECOMP | 12,000 | |
| 2019-03-01 | 849333 | 42-173-38091 | HANSON WEST A #2WA | DIAMONDBACK E&P LLC | DRILL | 9,050 | Y |
| 2019-03-01 | 849333 | 42-173-38091 | HANSON WEST A #2WA | DIAMONDBACK E&P LLC | DRILL | 9,050 | Y |
| 2019-02-26 | 850233 | 42-173-38114 | FRYSAK B 47-15 (ALLOC-C) #3SM | LAREDO PETROLEUM, INC. | DRILL | 9,000 | Y |
| 2019-02-26 | 850231 | 42-173-38115 | HALFMANN OU 47-15 (ALLOC-A) #1SM | LAREDO PETROLEUM, INC. | DRILL | 9,000 | Y |
| 2019-02-26 | 849401 | 42-173-38094 | HANSON EAST B #6WD | DIAMONDBACK E&P LLC | DRILL | 10,850 | Y |
| 2019-02-26 | 849401 | 42-173-38094 | HANSON EAST B #6WD | DIAMONDBACK E&P LLC | DRILL | 10,850 | Y |
| 2019-02-21 | 849977 | 42-173-35099 | CSM #1R | TRILOGY OPERATING, INC. | RECOMP | 12,000 | |
| 2019-02-15 | 849969 | 42-173-38113 | CALVERLEY 43/6 #W101DM | MEWBOURNE OIL COMPANY | DRILL | 7,971 | Y |
| 2019-02-15 | 849966 | 42-173-38112 | CALVERLEY 42/31 #W101MD | MEWBOURNE OIL COMPANY | DRILL | 7,961 | Y |
| 2019-02-15 | 849687 | 42-173-38107 | RAY 3427 H #8WA | DIAMONDBACK E&P LLC | DRILL | 9,520 | Y |
| 2019-02-15 | 849687 | 42-173-38107 | RAY 3427 H #8WA | DIAMONDBACK E&P LLC | DRILL | 9,520 | Y |
| 2019-02-13 | 849231 | 42-173-38089 | GLASSCOCK UNIT 44/41 #W101NC | MEWBOURNE OIL COMPANY | DRILL | 7,927 | Y |
| 2019-02-11 | 849780 | 42-173-38111 | CALVERLEY-LANE 80 #208HL | HUNT OIL COMPANY | DRILL | 8,160 | Y |
| 2019-02-11 | 849777 | 42-173-38110 | CALVERLEY-LANE 80 #108HA | HUNT OIL COMPANY | DRILL | 8,505 | Y |
| 2019-02-11 | 849769 | 42-173-38109 | CALVERLEY-LANE 80 #108HB | HUNT OIL COMPANY | DRILL | 8,760 | Y |
| 2019-02-08 | 849725 | 42-173-38108 | CALVERLEY-LANE 70 #107HL | HUNT OIL COMPANY | DRILL | 8,030 | Y |
| 2019-02-08 | 849693 | 42-173-38106 | CALVERLEY-LANE 70 #107HA | HUNT OIL COMPANY | DRILL | 8,505 | Y |
| 2019-02-08 | 849669 | 42-173-38105 | CALVERLEY-LANE 70 #107HB | HUNT OIL COMPANY | DRILL | 8,760 | Y |
| 2019-02-08 | 849243 | 42-173-38093 | D SCHAEFER OU 15-47 (ALLOC-E) #5SM | LAREDO PETROLEUM, INC. | DRILL | 9,000 | Y |
| 2019-02-07 | 849637 | 42-173-38104 | RAY 3427 G #7WA | DIAMONDBACK E&P LLC | DRILL | 9,525 | Y |
| 2019-02-07 | 849613 | 42-173-38103 | CALVERLEY-LANE 60 #206HL | HUNT OIL COMPANY | DRILL | 8,160 | Y |
| 2019-02-06 | 849592 | 42-173-38102 | CALVERLEY-LANE 60 #106HA | HUNT OIL COMPANY | DRILL | 8,505 | Y |
| 2019-02-06 | 849589 | 42-173-38101 | CALVERLEY-LANE 60 #106HL | HUNT OIL COMPANY | DRILL | 8,030 | Y |
| 2019-02-06 | 849584 | 42-173-38100 | CALVERLEY-LANE 50 #105HB | HUNT OIL COMPANY | DRILL | 8,760 | Y |
| 2019-02-06 | 849581 | 42-173-38099 | CALVERLEY-LANE 50 #105HA | HUNT OIL COMPANY | DRILL | 8,505 | Y |
| 2019-02-06 | 849580 | 42-173-38098 | CALVERLEY-LANE 50 #205HL | HUNT OIL COMPANY | DRILL | 8,160 | Y |
| 2019-02-06 | 849570 | 42-173-36640 | POWELL RANCH #151HC | OCCIDENTAL PERMIAN LTD. | FLD-XFR | 10,000 | Y |
| 2019-02-06 | 849242 | 42-173-38092 | FRYSAK A 47-15 (ALLOC-D) #4SM | LAREDO PETROLEUM, INC. | DRILL | 9,000 | Y |
| 2019-02-04 | 849486 | 42-173-38097 | LONELY HENDRIX #1 | CROWNQUEST OPERATING, LLC | DRILL | 12,000 | |
| 2019-02-04 | 849486 | 42-173-38097 | LONELY HENDRIX #1 | CROWNQUEST OPERATING, LLC | DRILL | 12,000 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Glasscock County.