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| Owner | Owner City | Lease | Operator | NRI | Type | County | Year |
|---|---|---|---|---|---|---|---|
| STANLEY MICHAEL C | Thompson, CT | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ENERVEST OPERATING LLC | Houston, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| KIRSCHNER E PHIL & ROBERTS FDN | Wichita Falls, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BLACK LEOTA CHILDREN'S TRUST | Ganado, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DUPONT DORA LEA CHILDREN'S | Vian, OK | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GRIZZLY TRADING COMPANY | Spring Hill, TN | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BLACK FAMILY TRUST | Amarillo, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| WINDER VICKI | Granbury, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| YOUNG LOLA MAE BALDWIN | Muskogee, OK | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| STONE ELDON ARTHUR | San Antonio, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| B & G OPERATING LTD | Amarillo, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| STANLEY DAVID N | Amarillo, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| OCONNELL JAMES F | Amarillo, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LOEFFLER SHARRON | Bristow, OK | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LOEFFLER DAVID H ESTATE | Bristow, OK | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JOBE BRENDA KAY BALDWIN | Fort Gibson, OK | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| EVANS ROYALTY PARTNERS LTD | Dallas, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CALLAN ROBERT CRUMP R JR | Edmond, OK | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BAR 3 S PROPERTIES | Amarillo, TX | ONA BLACK -49- NO. 8H | ENERVEST OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |