Texas · 2025 certified roll

Mineral owners in Karnes County, Texas

Karnes County holds the 6th most valuable mineral roll of the 53 Texas counties we cover — $3.17B in appraised mineral value across 158,127 interests held by 17,229 owners.

17,229mineral owners
158,127appraised interests
$3.17Bappraised value
89%royalty interests

Top operators, by owners paid

Marathon Oil EF 6,456 ownersEOG Resources 4,465 ownersRepsol Oil & Gas 3,396 ownersDevon Energy Production 2,466 ownersBurlington Resources 1,764 ownersMagnolia Oil & Gas 1,041 ownersWarwick Artemis 969 ownersTidal Petroleum 831 owners

Operators appearing on the most owners’ appraisal-roll interests in this county.

Largest mineral owners in Karnes County

#Owner (as recorded)InterestsAppraised value
1AMBER HARVEST LLC2,934$56,742,250
2FREEHOLD ROYALTIES USA INC3,053$54,372,060
3DEVON ENERGY PROD CO LP-RI/OR309$33,997,530
4SITIO EAGLE FORD LP259$26,322,270
5EAGLE FORD AUSTIN INTERESTS LP2,908$25,350,970
6HENDERSON-WESSENDORFF FDN91$24,243,640
7RED CREST TRUST128$19,235,150
8GROSS DOROTHY A ESTATE26$18,912,290
9ESGMAG PARTNERS LTD47$18,579,510
10TURNBULL LAND & CATTLE LTD74$17,056,110
11STATE OF TEXAS EXEMPT1,233$16,778,500
12XTO ENERGY INC136$14,067,550
13CARMODY KATHERINE CHURCH CHARI22$13,938,310
14MAP2009-OK68$13,788,600
15HAWTHORN ENERGY PARTNERS LLC63$12,285,340
16PEB PARTNERSHIP LTD10$11,948,340
17RIDLEY FAMILY INVESTMENTS LTD74$11,341,370
18A & E SCHNEIDER LTD23$11,186,900
19FRJK LEGACY FAMILY LIMITED PAR91$11,130,130
20ECLETO SOTEX LP93$11,022,280
21T BAR L RANCHES LP35$10,974,240
22L B HAILEY FAMILY LP49$10,828,550
23FKO ENTERPRISES LTD110$10,785,080
24RUTTER RANCH LTD17$10,547,870
25R MAY OIL & GAS LTD108$9,447,150
26LUNDBERG C A & C H119$9,380,010
27TOM RUCKMAN MINERALS LP7$9,370,170
284-J MINERAL LTD65$9,351,000
29RANCHO GRANDE MINERAL MGMT LP58$8,899,010
30NINE CANYON INTERESTS LP794$8,638,280

Ranked by total appraised value on the county roll. Appraised values are CAD tax assessments — not market value and not a forward valuation.

866 new owners vs the prior 2024 roll · 1,132 owners no longer on the roll. Named new/dropped lists are available on request — the free county watch below reports the counts each reload.

Linked wells

2,325 appraisal-roll leases in Karnes County matched to RRC well records · 99% with a mapped surface location · median lateral 5,817 ft across 2,294 leases with horizontal wellbores · 455 with a completion filed since 2021 (our “recent completion” window).

Browse Karnes County wells, maps & production →

Karnes County, TX — top 10 owners by forward value

Free sample · 2026-07-19
#OwnerEst. forward value
1E— P— LTD>$5M
2F— R— U— INC>$5M
3A— H— LLC>$5M
4D— E— P— C— L—>$5M
5K— FAMILY LP>$5M
6R— C— TRUST>$5M
7H— E— P— LLC>$5M
8S— E— F— LP>$5M
9R— R— LTD>$5M
10O— A— J—>$5M

883 of 2,326 producing leases valued — the rest don’t clear our fit gates; that honesty is the product. Deck: $2.40 gas / $70 oil net, 10% DCF, deck 2026-07-11. Names redacted in the free sample.

Targeting estimate — not a reserve report, not an appraisal, not a title opinion.

Want this county ranked by forward value, not alphabetically? Ask about the full valued-owner worklist →

Watch the Karnes County roll. Email me when Karnes’s roll reloads — how many owners are new, how many gone. Named new/dropped lists available on request. Free, unsubscribe anytime.