Oil and gas leases in Calk, Roger D.

Calk, Roger D. is a Texas operator, Commission number 123876, with 24 leases reporting production across 3 counties. Between them they carry 69 wellbores. Reported volumes run from January 1993 to August 2026 and come to 83 thousand barrels of oil. 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 Calk, Roger D.

How many oil and gas leases are in Calk, Roger D.?
Calk, Roger D. has 24 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Calk, Roger D. produced?
Leases in Calk, Roger D. have reported 83,353 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026.
How much are mineral rights in Calk, Roger D. worth?
There is no single figure: what a mineral or royalty interest in Calk, Roger D. is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 24 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

  • CREEK — oil, Calk, Roger D., Bexar County, 13 thousand reported
  • NAEGELIN, JOHN JR. — oil, Calk, Roger D., Atascosa County, 12 thousand reported
  • KNAPP, O.L. — oil, Calk, Roger D., Bexar County, 8 thousand reported
  • GOTT, SAM — oil, Calk, Roger D., Bexar County, 7 thousand reported
  • BROWN, ALICIA — oil, Calk, Roger D., Bexar County, 5 thousand reported
  • NIXON — oil, Calk, Roger D., Bexar County, 4 thousand reported
  • FANCHER — oil, Calk, Roger D., Bexar County, 4 thousand reported
  • EPSTEIN & BALBOA PARTNERSHIP — oil, Calk, Roger D., Bexar County, 4 thousand reported
  • NAEGELIN, JOHN E. — oil, Calk, Roger D., Bexar County, 4 thousand reported
  • SADA — oil, Calk, Roger D., Bexar County, 4 thousand reported
  • CUNNINGHAM — oil, Calk, Roger D., Bexar County, 4 thousand reported
  • MENCHACA — oil, Calk, Roger D., Bexar County, 3 thousand reported
  • ROOF, JOHN H. — oil, Calk, Roger D., Bexar County, 3 thousand reported
  • RUSSELL, WILLIAM A. — oil, Calk, Roger D., Bexar County, 3 thousand reported
  • KOENIG, W.E. — oil, Calk, Roger D., Bexar County, 2 thousand reported
  • SHADROCK, H. B. — oil, Calk, Roger D., Bexar County, 1 thousand reported
  • JACOBY — oil, Calk, Roger D., Bexar County, 917 reported
  • MCDONALD — oil, Calk, Roger D., Bexar County, 822 reported
  • MILWARD, BYRON — oil, Calk, Roger D., Medina County, 572 reported
  • RODRIQUEZ, PAUL O. — oil, Calk, Roger D., Bexar County, 253 reported
  • TAYLOR, JACK M. — oil, Calk, Roger D., Bexar County, 128 reported
  • MITCHELL, THERESA E. — oil, Calk, Roger D., Bexar County, 120 reported
  • RICHARDSON, W.A.-EMERY — oil, Calk, Roger D., Bexar County, 98 reported
  • STOUTAMIRE, MR. & MRS. A.L. — oil, Calk, Roger D., Bexar County, 62 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.