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COUNTIES · PERMIAN BASIN · DISTRICT 08 · CODE 317

Martin County, Texas

The RRC's county figures put Martin County at 258,089,990 bbl of oil and 802,009,905 Mcf of gas in the twelve months through August 2026; oil is up 2% on the twelve months before.

4,084 leases under 56 operators had production in those months.

Martin County permitting is running 73 permits a month over the trailing 90 days (219 total, up 128% on the prior quarter). 7 were issued in the past week.

Pioneer Natural Res. USA, Inc. leads with 204 permits in the past 12 months, one of 19 operators active in the county.

4 operators filed a first Martin County permit in the past year.

Median permitted depth over the past year is 10,605 ft (prior year: 10,500 ft); 96% of the past year's permits are horizontal.

The county has 295 active disposal and injection permits of 775 on file, with 373M barrels injected in the 12 months reported through September 2025.

293 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M4.8.

16,515 drilling permits have been issued in Martin County since 1977.

16,515 permits on file since 1977 · last issued Nov 10, 2026

Email me new permits

Also: every Martin County well in the statewide list, searchable → · a year of permits on the map →

6,582
active wells · 17,448 on file
56
producing operators, 12 months
4,084
producing leases, 12 months
258M
bbl oil, 12 months through Aug 2026 · +2%
802M
Mcf gas, same 12 months · +11%

RRC COUNTY FIGURES · NO. 1 IN OIL AND NO. 4 IN GAS OF 219 PRODUCING TEXAS COUNTIES

Martin County oil and gas production

RRC COUNTY FIGURES · THROUGH AUG 2026

Texas operators report production by lease, and the Railroad Commission totals it by county. Where a lease lies in more than one county, the split between them is the RRC's. Oil includes condensate; gas includes casinghead gas.

12 months through Aug 2026 258,089,990 · prior 12 254,078,496(+2%)

010M20M30M2017201820192020202120222023202420252026

Latest months

MonthOilGas
Aug 202619,358,403 bbl69,264,704 Mcf
Jul 202620,331,152 bbl69,875,371 Mcf
Jun 202620,617,794 bbl68,831,426 Mcf
May 202621,802,876 bbl70,697,565 Mcf
Apr 202621,367,431 bbl67,571,557 Mcf
Mar 202622,226,731 bbl69,891,270 Mcf
Feb 202620,685,788 bbl61,062,853 Mcf
Jan 202621,924,645 bbl63,725,183 Mcf
Dec 202523,166,295 bbl67,559,639 Mcf
Nov 202522,541,967 bbl65,183,990 Mcf
Oct 202522,623,809 bbl65,159,207 Mcf
Sep 202521,443,099 bbl63,187,140 Mcf

Operators by production

12 MONTHS THROUGH AUG 2026

  1. Diamondback E&P LLC1,674 leases

    127M bbl · 384M Mcf

  2. Pioneer Natural Res. USA, Inc.1,041 leases

    61.7M bbl · 150M Mcf

  3. XTO Energy Inc.85 leases

    15.5M bbl · 66.7M Mcf

  4. Ovintiv USA Inc.338 leases

    15.1M bbl · 59.1M Mcf

  5. Occidental Permian Ltd.47 leases

    6.27M bbl · 26.6M Mcf

  6. Oxyrock Operating, LLC163 leases

    6.08M bbl · 26.2M Mcf

  7. SM Energy Company41 leases

    6.69M bbl · 22.1M Mcf

  8. COG Operating LLC125 leases

    5.42M bbl · 14.3M Mcf

56 operators had production here in the twelve months. Each month is credited to the operator that reported it; ranked by barrels of oil equivalent, 6 Mcf to the barrel.

Every operator in Martin County →

Largest leases

4,084 LEASES WITH PRODUCTION · 12 MONTHS THROUGH AUG 2026

LeaseOperatorFieldOil, 12 moGas, 12 mo
South Curtis RanchOil 40691Occidental Permian Ltd.Spraberry (Trend Area)2,021,940 bbl6,410,632 Mcf
Butch Cassidy 43-7 Unit 1Oil 62859Diamondback E&P LLCSpraberry (Trend Area)2,435,295 bbl3,905,281 Mcf
Sundance Kid 43-7 Unit 2Oil 63470Diamondback E&P LLCSpraberry (Trend Area)2,300,868 bbl3,647,905 Mcf
Hercules 55-64 UnitOil 63711Diamondback E&P LLCSpraberry (Trend Area)2,216,799 bbl2,823,258 Mcf
CampbellOil 39214Diamondback E&P LLCSpraberry (Trend Area)1,938,884 bbl3,362,464 Mcf
Pier 22-23 Unit 1Oil 51414Diamondback E&P LLCSpraberry (Trend Area)1,729,475 bbl3,380,360 Mcf
Pier 22-23 Unit 2Oil 51415Diamondback E&P LLCSpraberry (Trend Area)1,601,295 bbl1,947,070 Mcf
Ripple Unit 2Oil 61918XTO Energy Inc.Spraberry (Trend Area)1,249,191 bbl3,444,122 Mcf
Achilles 7-24 Unit 1Oil 62590Diamondback E&P LLCSpraberry (Trend Area)1,351,354 bbl2,289,693 Mcf
Ripple Unit 1Oil 62371XTO Energy Inc.Spraberry (Trend Area)1,183,255 bbl3,214,054 Mcf
Hera 56-46 Unit 1Oil 60190Diamondback E&P LLCSpraberry (Trend Area)939,687 bbl4,059,645 Mcf
South Curtis RanchOil 58847Occidental Permian Ltd.Emma (Barnett Shale)919,375 bbl4,159,048 Mcf
Valentine 254AOil 64790Ovintiv USA Inc.Spraberry (Trend Area)1,204,603 bbl2,301,061 Mcf
East Cross Bar RanchOil 59919Occidental Permian Ltd.Emma (Barnett Shale)910,165 bbl4,021,447 Mcf
CallahanOil 55372SM Energy CompanySpraberry (Trend Area)1,198,241 bbl1,904,446 Mcf

Ranked by barrels of oil equivalent, 6 Mcf to the barrel. A lease in two counties is listed with its share in this one.

Every lease in Martin County →

Wells by status

17,448 WELLBORES ON FILE

  1. Producing

    6,303

  2. Plugged

    4,595

  3. Shut In

    3,817

  4. Not on schedule

    1,823

  5. Spudded

    310

  6. Permitted

    272

  7. Injection

    222

  8. No Production

    47

From the RRC wellbore file and the permit record. Other sites count the RRC's map locations, which include dry holes and locations this file does not hold, so their totals differ.

Wells spudded, by year

HorizontalVertical and directional

05001,0002002200420062008201020122014201620182020202220242026

Drilling permits

Window30 days90 days180 days365 days
219
permits issued, 90d
+128%
vs prior 90d (96)
10
operators filing
98%
horizontal
10,630
avg permitted depth, ft

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 12, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 538 · prior 12 560(-4%)

01002002017201820192020202120222023202420252026

Operators by permits, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

OperatorPermitsWells
Pioneer Natural Res. USA, Inc.2043,086
Diamondback E&P LLC1724,871
Ovintiv USA Inc.561,199
Oxyrock Operating, LLC44463
High Noon Resources, LLC1536
De V Operating, LLC140
Cutbow Operating, LLC12100
XTO Energy Inc.7515
Deep Blue Central LLC79
Deep Blue Operating I LLC674

Full operator directory: 480 operators have filed a permit here since 1977 →

New entrants, last 12 months

Operators whose first permit in Martin County came in the last year. 4 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill2199615,210

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Martin County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

In Martin County the Spraberry is reported in 11,225 wells, median top 7,607 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Spraberry11,2251,1977,6076,825–8,235
Dean7,2055458,8308,125–9,458
San Andres7,0991,1324,2323,648–4,756
Yates6,7361,1142,5932,040–2,973
Wolfcamp6,3294539,0718,352–9,694
Grayburg6,2511,0413,9493,345–4,447
Queen5,5171,0033,4732,797–4,019
Santa Rosa4,7967491,156854–1,450
Clear Fork3,6229456,3385,358–6,790
Strawn3,015010,4389,860–11,015
Mississippian1,222010,40010,020–11,215
Atoka1,012010,71110,091–11,316
Glorieta6631264,9054,379–5,557
Cisco628318,5005,066–10,469
Jo Mill483478,4467,617–9,113

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

295
active UIC permits of 775
5.12M
permitted bbl/day, active
373M
bbl injected, last 12 reported months
Sep 2025
reported through

Every active well, operator, and daily reporter in Martin County →

Permitted volume is a ceiling, not throughput. How to read it →

USGS catalog, Texas

Seismicity, last 2 years

293
M2+ events in the area
M4.8
largest

Monthly counts, magnitudes, and every recent event in the area →

Events are not tagged with a county; this counts M2+ events inside the bounding box of the county’s located permits, padded 0.1°. About TexNet →

Latest permits

NEWEST FIRST BY ISSUE DATE

PermitSeenIssuedOperatorLease / wellDepthAPI
919956Nov 12, 2026Nov 10, 2026Pioneer Natural Res. USA, Inc.Scharbauer-Curtis 20N #2014HUH11,29831747636
919953Nov 12, 2026Nov 10, 2026Pioneer Natural Res. USA, Inc.Scharbauer Ranch #2013HUH11,29831747635
919048Nov 7, 2026Nov 5, 2026Pioneer Natural Res. USA, Inc.Webb-Bruner 33I #9HH10,66231747554
919047Nov 7, 2026Nov 5, 2026Pioneer Natural Res. USA, Inc.Webb-Bruner 33F #6HH10,66231747550
919043Nov 7, 2026Nov 5, 2026Pioneer Natural Res. USA, Inc.Dawkins-Jones 33H #8HH10,48231747547
919927Nov 7, 2026Nov 5, 2026Diamondback E&P LLCHigh Noon 8-20 H #1WDH13,00031747630
919929Nov 7, 2026Nov 5, 2026Diamondback E&P LLCHigh Noon 8-20 G #2WDH13,00031747631
918707Nov 6, 2026Nov 4, 2026Diamondback E&P LLCKimberly 20 A #U 2WBH11,00031747500
919071AmendmentNov 9, 2026Nov 2, 2026Diamondback E&P LLCAchilles 7-24 Unit 1 #2LSH13,00031747549
919717Nov 4, 2026Nov 2, 2026High Noon Resources, LLCBig Red Unit 75-82 #16HH10,60031747629

All Martin County permits →

Questions about Martin County

How many drilling permits were issued in Martin County in the last 12 months?

556 permits were issued in Martin County in the last 12 months, level with 557 in the 12 months before. 96% were for horizontal wells. The most recent was issued Nov 10, 2026. 16,515 are on file since 1977.

Every Martin County permit →

Who is the most active operator in Martin County?

By drilling permits filed in the last 12 months, Pioneer Natural Res. USA, Inc. is the most active operator in Martin County, with 204 of 556, followed by Diamondback E&P LLC (172) and Ovintiv USA Inc. (56). 10 operators filed permits here in the last 90 days.

Operators in Martin County →

How many oil and gas wells are in Martin County?

17,448 wells are on file in Martin County, including 6,582 active, 4,595 plugged, and 272 permitted and not yet drilled. 6,714 are horizontal. The active wells are under 84 operators.

Every well in Martin County →

How much oil and gas does Martin County produce?

The Railroad Commission's county figures show 258 million barrels of oil and 802 million Mcf of gas in Martin County in the 12 months through August 2026, from 4,084 leases under 56 operators. Texas operators report production by lease; where a lease lies in more than one county, the split between them is the RRC's.

Production by month in Martin County →

Who are the largest producers in Martin County?

By oil and gas produced in Martin County in the 12 months through August 2026, the largest operator is Diamondback E&P LLC, with 127 million barrels of oil and 384 million Mcf of gas from 1,674 leases, followed by Pioneer Natural Res. USA, Inc. and XTO Energy Inc.. 56 operators had production here in those months.

Operators in Martin County →

How much water is injected in Martin County?

373 million barrels of water were injected in Martin County in the 12 months through September 2025, reported on form H-10. 295 of the county's 775 disposal and injection permits are active.

Disposal and injection in Martin County →

What formations are drilled in Martin County?

Completion filings for wells in Martin County report tops for 15 formations in at least ten wells each. The most reported are the Spraberry (11,225 wells, median top 7,607 ft), the Dean (7,205 wells, median top 8,830 ft), and the San Andres (7,099 wells, median top 4,232 ft).

Formations in Martin County →

What basin is Martin County in?

Petrora lists Martin County in the Permian Basin. It is in the Railroad Commission's District 08.

The Permian Basin →

Have there been earthquakes in Martin County?

293 earthquakes of magnitude 2 or more were located in the area of Martin County's permitted wells in the last 2 years; the largest was M4.8.

Earthquakes in Martin County →

About this data

Oil and gas are the Railroad Commission's county figures from its Production Data Query, through Aug 2026: Texas files production by lease, and where a lease lies in more than one county the split is the RRC's. Nothing here is estimated by Petrora. Wells from the RRC wellbore file and the permit record. Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.

Developers: this page as JSON is GET /v1/data/counties/tx/martin?days=90, documented in the API reference.