Oil and gas leases in J. & M. Well Service, Inc.

J. & M. Well Service, Inc. is a Texas operator, Commission number 427725, with 44 leases reporting production across 1 county. 14 of them are oil leases and 30 are gas leases. Between them they carry 85 wellbores. Reported volumes run from January 1993 to August 2026 and come to 337 thousand barrels of oil and 949 thousand 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 J. & M. Well Service, Inc.

How many oil and gas leases are in J. & M. Well Service, Inc.?: J. & M. Well Service, Inc. has 44 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has J. & M. Well Service, Inc. produced?: Leases in J. & M. Well Service, Inc. have reported 336,943 barrels of oil (bbl) and 948,718 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
How much are mineral rights in J. & M. Well Service, Inc. worth?: There is no single figure: what a mineral or royalty interest in J. & M. Well Service, Inc. is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 44 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

Starr County — 44 leases

Railroad Commission districts

District 04 — 44 leases

Leases

G & M /GU-2 — gas, J. & M. Well Service, Inc., Starr County, 416 thousand reported
LA BRISA RANCH PARTNERS 91 — oil, J. & M. Well Service, Inc., Starr County, 230 thousand reported
LA BRISA RANCH 913 — gas, J. & M. Well Service, Inc., Starr County, 171 thousand reported
RICABY, S. B., ESTATE -D- — gas, J. & M. Well Service, Inc., Starr County, 127 thousand reported
LA BRISA RANCH PARTNERS 91 — oil, J. & M. Well Service, Inc., Starr County, 68 thousand reported
GREEN - MANNING — gas, J. & M. Well Service, Inc., Starr County, 32 thousand reported
SEABURY — gas, J. & M. Well Service, Inc., Starr County, 29 thousand reported
MCLEAN, MARRS — gas, J. & M. Well Service, Inc., Starr County, 28 thousand reported
MARRS-MCLEAN — gas, J. & M. Well Service, Inc., Starr County, 25 thousand reported
LA BRISA LAND & CATTLE CO. — gas, J. & M. Well Service, Inc., Starr County, 18 thousand reported
GREEN & MANNING GAS UNIT NO. 1 — gas, J. & M. Well Service, Inc., Starr County, 16 thousand reported
LYONS, HELENE W. — oil, J. & M. Well Service, Inc., Starr County, 15 thousand reported
FUENTES, J. R. — oil, J. & M. Well Service, Inc., Starr County, 15 thousand reported
LA BRISA LAND & CATTLE CO. — gas, J. & M. Well Service, Inc., Starr County, 13 thousand reported
DECKER GU — gas, J. & M. Well Service, Inc., Starr County, 12 thousand reported
PARKS, W.S. ET AL — gas, J. & M. Well Service, Inc., Starr County, 12 thousand reported
RICABY, S. B., ESTATE -D- — gas, J. & M. Well Service, Inc., Starr County, 11 thousand reported
SEABURY, F.W. EST — gas, J. & M. Well Service, Inc., Starr County, 9 thousand reported
BAIRD, L. M. — gas, J. & M. Well Service, Inc., Starr County, 6 thousand reported
PARKS, W. S., ET AL — gas, J. & M. Well Service, Inc., Starr County, 4 thousand reported
GREEN & MANNING GAS UNIT #2 — gas, J. & M. Well Service, Inc., Starr County, 4 thousand reported
GREEN & MANNING GAS UNIT #2 — gas, J. & M. Well Service, Inc., Starr County, 3 thousand reported
HINOJOSA, MEDARDO -B- ROY. A/C#2 — oil, J. & M. Well Service, Inc., Starr County, 3 thousand reported
PARKS, W. S., ET AL — gas, J. & M. Well Service, Inc., Starr County, 3 thousand reported
HINOJOSA, M. -A- — oil, J. & M. Well Service, Inc., Starr County, 3 thousand reported
GREEN & MANNING GAS UNIT #2 — gas, J. & M. Well Service, Inc., Starr County, 2 thousand reported
RICABY, S. B. -A- — oil, J. & M. Well Service, Inc., Starr County, 1 thousand reported
PARKS, W. S., ETAL — oil, J. & M. Well Service, Inc., Starr County, 1 thousand reported
GREEN & MANNING GU 2 — gas, J. & M. Well Service, Inc., Starr County, 1 thousand reported
FUENTES, J. R. — gas, J. & M. Well Service, Inc., Starr County, 1 thousand reported
OWEN & MOSS FEE — gas, J. & M. Well Service, Inc., Starr County, 908 reported
BAIRD, LILLIE MAE — gas, J. & M. Well Service, Inc., Starr County, 699 reported
HINOJOSA, MEDARDO -B- ROY. A/C#1 — oil, J. & M. Well Service, Inc., Starr County, 655 reported
HNOJOSA — gas, J. & M. Well Service, Inc., Starr County, 651 reported
PARKS, W. S. ET AL — gas, J. & M. Well Service, Inc., Starr County, 566 reported
HINOJOSA, M., -B- ROY. ACCT. #1 — gas, J. & M. Well Service, Inc., Starr County, 489 reported
HINOJOSA, M., -B-ROY. ACCT. #2 — gas, J. & M. Well Service, Inc., Starr County, 386 reported
BAIRD, LILLIE MAE — oil, J. & M. Well Service, Inc., Starr County, 227 reported
PARKS, W. S., ET AL — gas, J. & M. Well Service, Inc., Starr County, 204 reported
SEABURY,F.W. EST. OF — gas, J. & M. Well Service, Inc., Starr County, 93 reported
LA BRISA RANCH 913 — oil, J. & M. Well Service, Inc., Starr County, 8 reported
PARKS, W. S. ETAL — oil, J. & M. Well Service, Inc., Starr County, 7 reported
GREEN & MANNING GU-2 — oil, J. & M. Well Service, Inc., Starr County, 6 reported
LYONS, HELEN W. — oil, J. & M. Well Service, Inc., Starr County, 3 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.