Oil and gas leases in Southern Bay Operating, L.L.C.

Southern Bay Operating, L.L.C. is a Texas operator, Commission number 803494, with 57 leases reporting production across 7 counties. 19 of them are oil leases and 38 are gas leases. Between them they carry 87 wellbores. Reported volumes run from July 2004 to August 2026 and come to 4.6 million barrels of oil and 71.9 million Mcf of gas. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.

Key facts about Southern Bay Operating, L.L.C.

How many oil and gas leases are in Southern Bay Operating, L.L.C.?
Southern Bay Operating, L.L.C. has 57 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Southern Bay Operating, L.L.C. produced?
Leases in Southern Bay Operating, L.L.C. have reported 4,568,874 barrels of oil (bbl) and 71,886,621 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between July 2004 and August 2026.
How much are mineral rights in Southern Bay Operating, L.L.C. worth?
There is no single figure: what a mineral or royalty interest in Southern Bay Operating, L.L.C. is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 57 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.

Counties here

Railroad Commission districts

Leases

  • LONGSTREET UNIT — gas, Southern Bay Operating, L.L.C., Montgomery County, 8.1 million reported
  • WEST RICHARDS UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 6.6 million reported
  • LAKE CREEK UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 6.3 million reported
  • KEISLER UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 5.9 million reported
  • HAYNIE, JEFF COMPANY UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 5.9 million reported
  • KEISLER — gas, Southern Bay Operating, L.L.C., Grimes County, 5.0 million reported
  • BAX UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 4.8 million reported
  • HAYNIE, TOM — gas, Southern Bay Operating, L.L.C., Grimes County, 4.3 million reported
  • HAYNIE-MOODY — gas, Southern Bay Operating, L.L.C., Grimes County, 3.9 million reported
  • W.P.T. — gas, Southern Bay Operating, L.L.C., Montgomery County, 3.8 million reported
  • EAST RICHARDS UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 3.5 million reported
  • HOKE-COLE UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 2.8 million reported
  • HURST-BAY UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 2.4 million reported
  • ASHORN — gas, Southern Bay Operating, L.L.C., Grimes County, 1.7 million reported
  • WEST CANNON UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 1.4 million reported
  • CHAPPEL WOODS UNIT — gas, Southern Bay Operating, L.L.C., Montgomery County, 1.1 million reported
  • WELDER HEIRS, J.F. — gas, Southern Bay Operating, L.L.C., San Patricio County, 1.1 million reported
  • NEWTONVILLE NORTH UNIT — oil, Southern Bay Operating, L.L.C., Gonzales County, 997 thousand reported
  • NEWTONVILLE UNIT — oil, Southern Bay Operating, L.L.C., Gonzales County, 921 thousand reported
  • BURROWS, J. C. & J. S. — gas, Southern Bay Operating, L.L.C., San Patricio County, 748 thousand reported
  • RING "A" UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 743 thousand reported
  • J F WELDER HEIRS — gas, Southern Bay Operating, L.L.C., San Patricio County, 495 thousand reported
  • ARNIM "A" UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 466 thousand reported
  • MICA UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 455 thousand reported
  • HUTTO UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 431 thousand reported
  • WELDER, J. F. HEIRS — gas, Southern Bay Operating, L.L.C., San Patricio County, 342 thousand reported
  • FLATONIA EAST UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 333 thousand reported
  • WELDER, J. F. HEIRS — gas, Southern Bay Operating, L.L.C., San Patricio County, 262 thousand reported
  • WELDER, J. F. HEIRS — gas, Southern Bay Operating, L.L.C., San Patricio County, 253 thousand reported
  • RIGHTMER 'A' UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 167 thousand reported
  • KEERAN RANCH — oil, Southern Bay Operating, L.L.C., Victoria County, 152 thousand reported
  • WELDER, J.F. UNIT — gas, Southern Bay Operating, L.L.C., San Patricio County, 144 thousand reported
  • WILKERSON-DAVIS UNIT — gas, Southern Bay Operating, L.L.C., Grimes County, 140 thousand reported
  • WELDER, J. F. UNIT — gas, Southern Bay Operating, L.L.C., San Patricio County, 116 thousand reported
  • WELDER, J.F. UNIT — gas, Southern Bay Operating, L.L.C., San Patricio County, 109 thousand reported
  • PEEBLES UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 107 thousand reported
  • BLACK JACK SPRINGS UNIT — oil, Southern Bay Operating, L.L.C., Fayette County, 87 thousand reported
  • FITZHUGH ET AL — oil, Southern Bay Operating, L.L.C., Orange County, 76 thousand reported
  • LANE — gas, Southern Bay Operating, L.L.C., San Patricio County, 71 thousand reported
  • WELDER, J. F. — gas, Southern Bay Operating, L.L.C., San Patricio County, 64 thousand reported
  • BURROWS, J. C. & J. S. — gas, Southern Bay Operating, L.L.C., San Patricio County, 43 thousand reported
  • SHELTON, BEN — oil, Southern Bay Operating, L.L.C., Victoria County, 26 thousand reported
  • BOMER, E. T. — gas, Southern Bay Operating, L.L.C., San Patricio County, 14 thousand reported
  • WELDER, J. F. HEIRS — oil, Southern Bay Operating, L.L.C., San Patricio County, 12 thousand reported
  • O'CONNOR, LOUISE — gas, Southern Bay Operating, L.L.C., Victoria County, 12 thousand reported
  • SHELTON, BEN — oil, Southern Bay Operating, L.L.C., Victoria County, 9 thousand reported
  • KEERAN RANCH — gas, Southern Bay Operating, L.L.C., Victoria County, 9 thousand reported
  • WELDER HEIRS, J. F. — oil, Southern Bay Operating, L.L.C., San Patricio County, 9 thousand reported
  • WELDER HEIRS, J. F. — gas, Southern Bay Operating, L.L.C., San Patricio County, 6 thousand reported
  • BURROWS, J. C. & J. S. — gas, Southern Bay Operating, L.L.C., San Patricio County, 3 thousand reported
  • WELDER, J.F. UNIT — gas, Southern Bay Operating, L.L.C., San Patricio County, 3 thousand reported
  • KEERAN RANCH — oil, Southern Bay Operating, L.L.C., Victoria County, 3 thousand reported
  • KEERAN RANCH "A" — oil, Southern Bay Operating, L.L.C., Victoria County, 2 thousand reported
  • O'CONNOR, LOUISE — oil, Southern Bay Operating, L.L.C., Victoria County, 2 thousand reported
  • KEERAN RANCH — gas, Southern Bay Operating, L.L.C., Victoria County, 2 thousand reported
  • SMITH, N. R. — gas, Southern Bay Operating, L.L.C., San Patricio County, 2 thousand reported
  • KEERAN RANCH — oil, Southern Bay Operating, L.L.C., Victoria County, 789 reported

Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.