The largest oil and gas operators active in New Mexico — ranked by total well count, with producing-well counts for each. Click any operator to see their full profile.
Buckhead Energy analysis of public oil and gas data. Refreshed daily. Data current as of 2026-11-01.
Quick answer: By wells operated, Hilcorp Energy Company is the largest oil and gas operator in New Mexico with 14,294 wells on record, followed by EOG Resources (8,831) and Oxy (5,261). Ranked from Buckhead Energy analysis of public oil and gas data (as of 2026-11-01). This is an operated-well-count ranking, not a revenue or market-cap ranking.
As of 2026-11-01, the largest operator by wells on record in New Mexico is Hilcorp Energy Company with 14,294 wells on record, across the top 100 ranked operators, per Buckhead Energy analysis of public oil and gas data.
| # | Operator | Wells | Producing | Top Formation | Top County |
|---|---|---|---|---|---|
| 1 | Hilcorp Energy Company | 14,294 | 14,056 | Pictured Clliffs | San Juan |
| 2 | Eog Resources | 8,831 | 4,965 | Avalon-Bone Spring | Lea |
| 3 | Oxy | 5,261 | 3,802 | Avalon-Bone Spring | Eddy |
| 4 | Devon Energy Production Company | 4,792 | 2,337 | Avalon-Bone Spring | Eddy |
| 5 | Mewbourne Oil Company | 3,585 | 2,490 | Permian Basin | Eddy |
| 6 | Xto Energy | 3,324 | 2,246 | Permian Basin | Eddy |
| 7 | Cog Operating | 3,067 | 1,795 | Avalon-Bone Spring | Eddy |
| 8 | Chevron | 2,530 | 1,823 | Permian Basin | Lea |
| 9 | Simcoe LLC | 2,398 | 2,350 | Pictured Clliffs | San Juan |
| 10 | Matador Production Company | 2,338 | 1,336 | Permian Basin | Lea |
| 11 | Coterra Energy INC | 2,193 | 1,235 | Permian Basin | Lea |
| 12 | Conocophillips Company | 1,979 | 1,185 | Nw Shelf Perm-Penn Carbonate | Lea |
| 13 | Permian Resources Operating LLC | 1,907 | 990 | Permian Basin | Eddy |
| 14 | Eqv Operating NM LLC | 1,654 | 1,650 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 15 | Spur Energy Partners LLC | 1,615 | 1,309 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 16 | Morning Star Oil Company | 1,601 | 1,394 | Pictured Clliffs | Lea |
| 17 | Burlington Resources Oil & Gas Company | 1,536 | 1,093 | Pictured Clliffs | San Juan |
| 18 | Dugan Production | 1,428 | 1,328 | San Juan Basin | San Juan |
| 19 | Logos Operating | 1,344 | 1,245 | Dakota | Rio Arriba |
| 20 | Southwest Royalties | 1,279 | 1,234 | Morrow | Lea |
| 21 | Apache | 1,263 | 868 | Morrow | Lea |
| 22 | Mack Energy | 1,230 | 648 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 23 | High River Resources Operating LLC | 1,221 | 1,201 | Las Vegas - Raton Basin | Colfax |
| 24 | Bpx Operating Company | 1,163 | 864 | Pictured Clliffs | San Juan |
| 25 | Riley Permian Operating | 1,130 | 890 | Avalon-Bone Spring | Eddy |
| 26 | Enduring Resources | 1,073 | 922 | San Juan Basin | Rio Arriba |
| 27 | Maverick Permian LLC | 992 | 874 | Nw Shelf Perm-Penn Carbonate | Lea |
| 28 | Marathon Oil Company | 971 | 479 | Avalon-Bone Spring | Eddy |
| 29 | Djr Operating | 961 | 726 | San Juan Basin | San Juan |
| 30 | Cimarex Energy Company | 951 | 405 | Avalon-Bone Spring | Eddy |
| 31 | Empire New Mexico LLC | 846 | 796 | Morrow | Lea |
| 32 | Wpx Energy | 789 | 462 | Avalon-Bone Spring | Eddy |
| 33 | Fae Ii Operating LLC | 755 | 727 | Morrow | Lea |
| 34 | Lh Operating LLC | 728 | 700 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 35 | Bta Oil Producers | 650 | 425 | Avalon-Bone Spring | Lea |
| 36 | Earthstone Operating | 506 | 367 | Avalon-Bone Spring | Lea |
| 37 | Epic Energy | 503 | all but <3 | San Juan Basin | San Juan |
| 38 | Texaco Exploration And Production | 490 | 200 | Nw Shelf Perm-Penn Carbonate | Lea |
| 39 | Ctoc Energy LLC | 490 | 481 | Nw Shelf Perm-Penn Carbonate | Lea |
| 40 | Kaiserfrancis Oil Company | 471 | 260 | Avalon-Bone Spring | Lea |
| 41 | Rover Operating | 451 | 415 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 42 | Iacx Production LLC | 450 | all but <3 | Abo-Pecos Slope | Chaves |
| 43 | Civitas Permian Operating LLC | 434 | 276 | Permian Basin | Lea |
| 44 | Ridgeway Arizona Oil | 430 | 402 | Morrow | Roosevelt |
| 45 | Solis Partners LLC | 426 | all but <3 | Abo-Pecos Slope | Chaves |
| 46 | 3r Operating LLC | 404 | 292 | Permian Basin | Eddy |
| 47 | Acacia Operating Company LLC | 401 | 368 | Morrow | Eddy |
| 48 | Burnett Oil | 379 | 303 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 49 | Raybaw Operating LLC | 378 | 367 | Avalon-Bone Spring | Lea |
| 50 | Cano Petro Of New Mexico | 348 | 316 | Permian Basin | Chaves |
| 51 | Pogo Producing Company | 343 | 24 | Avalon-Bone Spring | Lea |
| 52 | Extex Operating Company | 340 | 336 | Nw Shelf Perm-Penn Carbonate | Lea |
| 53 | Harvard Petroleum Company | 333 | 310 | Avalon-Bone Spring | Eddy |
| 54 | Energen Resources | 318 | 267 | Pictured Clliffs | Rio Arriba |
| 55 | Bxp Operating | 310 | 263 | Avalon-Bone Spring | Eddy |
| 56 | Texian Operating Company LLC | 308 | 305 | Morrow | Lea |
| 57 | Black Hills Gas Resources | 295 | 103 | Pictured Clliffs | Rio Arriba |
| 58 | Jr Oil | 293 | 289 | Morrow | Lea |
| 59 | Stephens & Johnson Operating Company | 289 | 280 | Avalon-Bone Spring | Eddy |
| 60 | Chesapeake Energy | 289 | 153 | Avalon-Bone Spring | Lea |
| 61 | Legacy Reserves Operating | 284 | 220 | Morrow | Lea |
| 62 | Marbob Energy | 279 | 159 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 63 | Avant Operating Ii, LLC | 263 | 43 | Permian Basin | Lea |
| 64 | Novo Oil & Gas Texas | 259 | 148 | Permian Basin | Eddy |
| 65 | Cog Production | 254 | 204 | Avalon-Bone Spring | Lea |
| 66 | Elm Ridge Exploration Company | 247 | 206 | San Juan Basin | San Juan |
| 67 | G And C Operating LLC | 242 | all but <3 | Avalon-Bone Spring | Eddy |
| 68 | Cameron Oil & Gas | 237 | 219 | Avalon-Bone Spring | Eddy |
| 69 | Advanced Wireless Communications | 235 | all but <3 | Pictured Clliffs | San Juan |
| 70 | Saguaro Petroleum | 235 | 229 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 71 | Phillips Petroleum Company | 232 | 114 | Nw Shelf Perm-Penn Carbonate | Lea |
| 72 | Canyon E & P Company | 228 | 225 | Permian Basin | Chaves |
| 73 | Jicarilla Energy Company | 217 | 201 | Pictured Clliffs | Rio Arriba |
| 74 | Linn Operating | 213 | 161 | Nw Shelf Perm-Penn Carbonate | Eddy |
| 75 | Forty Acres Energy | 208 | 179 | Avalon-Bone Spring | Lea |
| 76 | Xeric Oil & Gas | 197 | 174 | Avalon-Bone Spring | Lea |
| 77 | Vf Petroleum | 196 | 113 | Permian Basin | Eddy |
| 78 | Merrion Oil & Gas | 194 | 154 | San Juan Basin | San Juan |
| 79 | Union Oil CO Of California | 194 | 29 | Morrow | Chaves |
| 80 | Oleum Energy LLC | 193 | 188 | Avalon-Bone Spring | Eddy |
| 81 | Nearburg Producing Company | 192 | 62 | Avalon-Bone Spring | Eddy |
| 82 | Redwood Operating | 186 | 114 | Avalon-Bone Spring | Eddy |
| 83 | Desert Mountain Energy CORP | 178 | 178 | Abo-Pecos Slope | Chaves |
| 84 | Scout Energy Management | 175 | 159 | Thirty-One Carbonate-Chert | Lea |
| 85 | Breitburn Operating | 175 | 161 | Sierra Grande Uplift | Lea |
| 86 | Jonah Energy | 173 | 169 | Avalon-Bone Spring | Lea |
| 87 | Dominion Production Company | 173 | 149 | San Juan Basin | Mckinley |
| 88 | Sdx Resources | 171 | 61 | Avalon-Bone Spring | Eddy |
| 89 | Robert L Bayless Producer | 169 | 138 | San Juan Basin | San Juan |
| 90 | Longfellow Energy | 167 | 101 | Permian Basin | Eddy |
| 91 | Playa Minerals & Energy | 162 | 144 | San Juan Basin | San Juan |
| 92 | Chi Operating | 156 | 87 | Avalon-Bone Spring | Eddy |
| 93 | Contango Resources Company | 150 | 111 | Avalon-Bone Spring | Eddy |
| 94 | Bopco | 150 | 57 | Avalon-Bone Spring | Eddy |
| 95 | Llj Ventures LLC Dba Marker Oil & Gas | 149 | 139 | Avalon-Bone Spring | Eddy |
| 96 | Bensonmontingreer Drilling | 145 | 129 | San Juan Basin | Rio Arriba |
| 97 | Bepco | 140 | 20 | Avalon-Bone Spring | Eddy |
| 98 | Armstrong Energy | 139 | 114 | Morrow | Lea |
| 99 | Strata Production Company | 138 | 84 | Avalon-Bone Spring | Eddy |
| 100 | Premier Oil & Gas | 136 | 131 | Nw Shelf Perm-Penn Carbonate | Eddy |
Source: Buckhead Energy analysis of public oil and gas data.
Ranking: Operators ranked by total well count under their current operator-of-record. Producing-well count is wells with a first-production date on file. Drilling activity (permits, spuds, DUCs) is published only as state and county counts, never attributed to an operator.
Why it matters: Knowing who operates the most wells in New Mexico helps mineral owners understand who they're dealing with at the lease level.
Refresh cadence: Daily. Data current as of 2026-11-01.
By wells operated, Hilcorp Energy Company is the largest oil and gas operator in New Mexico, with 14,294 wells on record per Buckhead Energy analysis of public oil and gas data. Note that "biggest" by revenue or market capitalization can rank differently — this measures operated well count.
The top 10 operators by operated well count are: Hilcorp Energy Company, EOG Resources, Oxy, Devon Energy Production Company, Mewbourne Oil Company, XTO Energy, COG Operating, Chevron, Simcoe LLC, Matador Production Company. The full top-100 ranking with well and producing-well counts is in the leaderboard below.
Hilcorp Energy Company operates the most wells in New Mexico at 14,294, per Buckhead Energy analysis of public oil and gas data.
This leaderboard ranks the top 100 operators active in New Mexico by total well count. Many more file with the regulator; these are the largest by operated wells.
By wells operated — the count of wells under each company's current operator-of-record designation in the public oil and gas data Buckhead Energy analyzes. It is not a revenue, production-volume, or market-capitalization ranking.
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Operators ranked: 100
Total wells: 99,189
Last refresh: 2026-11-01
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