Home Fields SHAFTER LAKE (SAN ANDRES) Value, all time
65% of the register's 194
Our estimate: volumes the operator filed with the Commission, valued at the EIA first-purchase price for that month. It is not a payment anyone received, and it is not a royalty. It sums the 127 leases in this field that have a page here — 65% of the register's 194 — so it understates the field.
Production, 2025 The Railroad Commission's Oil and Gas Annual Report for 2025, its most recent. These are the state's figures for the whole field, not ours.
Wells In the field Producing Produced in 2025 Also produced Cumulative Oil 420 202 1,239,832 bbl 565,311 mcf casinghead 66,703,865 bbl since discovery
The discovery well's oil measured 35.1° API gravity, perforated at 4,482 ft.
Hydrogen sulphide
Spacing rule What the Commission requires of a well on this field.
Wells Rule Effective From the lease line Between wells Acres per unit Max diagonal Oil B 2014-01-07 330 ft 0 ft 40 0 ft Oil O 2014-01-07 330 ft 0 ft 10 99,999 ft
Commission remarks: DIAGONAL LIMITATION, TOP ALLOWABLE ADJUSTED.
Leases in this field Every lease here files this field's number with the Commission and has a page on this site.
Lease Operator Value SHAFTER LAKE /SAN ANDRES/ UNIT HILCORP ENERGY COMPANY $316.5 M UNIVERSITY BLOCK 14 CONS. RING ENERGY, INC. $246.8 M UNIVERSITY JV 14 BURK ROYALTY CO., LTD. $61.0 M UNIVERSITY SAN ANDRES UNIT HIGHMARK ENERGY OPERATING, LLC $51.5 M FISHER RING ENERGY, INC. $49.9 M FISHER, NOLA UNIT RING ENERGY, INC. $40.8 M SAVAGE RING ENERGY, INC. $35.7 M DOW-HALL RING ENERGY, INC. $17.6 M FISHER 4 RING ENERGY, INC. $16.5 M ARMSTRONG, ELIZABETH SHINNERY OIL COMPANY, INC. $14.2 M UNIVERSITY "14" RING ENERGY, INC. $14.2 M FISHER HORSE PASTURE VIN FISHER OPERATING, INC. $13.7 M DEEP ROCK 23 ICA ENERGY OPERATING, L.L.C. $13.4 M DEEP ROCK A ICA ENERGY OPERATING, L.L.C. $13.1 M UNIVERSITY 14S RING ENERGY, INC. $12.3 M FIDES RING ENERGY, INC. $11.5 M UNIVERSITY 15E RING ENERGY, INC. $11.3 M UNDINE RING ENERGY, INC. $10.7 M DEEP ROCK ICA ENERGY OPERATING, L.L.C. $10.5 M UNIVERSITY 26 RING ENERGY, INC. $10.4 M HYBRES RING ENERGY, INC. $9.9 M DEEP ROCK ET AL -A- HIGHMARK ENERGY OPERATING, LLC $9.6 M STATE UNIVERSITY COLT BURK ROYALTY CO., LTD. $9.4 M UNIVERSITY '14' TREY RESOURCES INC. $8.3 M UNIVERSITY 14SQ RING ENERGY, INC. $8.1 M DEEP ROCK 7 ICA ENERGY OPERATING, L.L.C. $7.9 M HOMER RING ENERGY, INC. $7.7 M PARKER, J. E. -B- MORNINGSTAR OPERATING LLC $7.7 M DEEP ROCK C ICA ENERGY OPERATING, L.L.C. $6.6 M ARMSTRONG, ELIZABETH EXTEX OPERATING COMPANY $6.5 M UNIVERSITY FRODO BURK ROYALTY CO., LTD. $6.2 M HEBE RING ENERGY, INC. $6.1 M HADES RING ENERGY, INC. $6.1 M HARMONIA RING ENERGY, INC. $6.0 M DEEP ROCK B ICA ENERGY OPERATING, L.L.C. $5.7 M ALLISON, B. T. MORNINGSTAR OPERATING LLC $5.6 M ARMSTRONG, ELIZABETH -D- RING ENERGY, INC. $5.5 M PIRATE U 13-13 FORMENTERA OPERATIONS LLC $5.5 M FISHER D VIN FISHER OPERATING, INC. $5.5 M PARKER, J. E., -G- MORNINGSTAR OPERATING LLC $5.4 M OGDEN -A- VIN FISHER OPERATING, INC. $5.4 M UNIVERSITY 14SR RING ENERGY, INC. $4.6 M UNIVERSITY "14-16" SANDRIDGE EXPL. AND PROD., LLC $4.6 M PARKER, J. E. "J" HILCORP ENERGY COMPANY $4.6 M UNIVERSITY "B" GRAMA OPERATING, LLC $4.3 M UNIVERSITY-AMEX RING ENERGY, INC. $4.2 M UNIVERSITY A12 RAFTER T RESOURCES LLC $4.2 M TEXACO "12" VIN FISHER OPERATING, INC. $4.1 M HELIOS RING ENERGY, INC. $4.1 M UNIVERSITY "C" HIGHMARK ENERGY OPERATING, LLC $3.6 M CAPTAIN AHAB HARPOON LIBERTAD OPERATING LLC $3.6 M HARPOON LIBERTAD OPERATING LLC $3.2 M UNIVERSITY-AMERICAN "15" RING ENERGY, INC. $3.0 M PARKER, J.E., "V" MORNINGSTAR OPERATING LLC $2.9 M UNIVERSITY -1416- D SANDRIDGE EXPL. AND PROD., LLC $2.9 M UNIVERSITY SAMWISE BURK ROYALTY CO., LTD. $2.7 M FISHER, M. M. VIN FISHER OPERATING, INC. $2.7 M FISHER CAPSTONE NATURAL RESOURCES, LLC $2.6 M UNIVERSITY 1801 SANDRIDGE EXPL. AND PROD., LLC $2.5 M UNIVERSITY -153- HIGHMARK ENERGY OPERATING, LLC $2.4 M FISHER 23A VIN FISHER OPERATING, INC. $2.4 M UNIVERSITY 14Q RING ENERGY, INC. $2.3 M UNIVERSITY SCOUT ENERGY MANAGEMENT LLC $2.3 M CRADDOCK, H. J. AGHORN OPERATING, INC. $2.1 M GRAHAM UNIVERSITY LEGACY RESERVES OPERATING LP $2.1 M UNIVERSITY "BE" UNITED ENERGY CORPORATION $2.1 M FISHER, M. M. REMUDA OPERATING COMPANY $2.0 M UNIVERSITY 14R VIN FISHER OPERATING, INC. $1.8 M UNIVERSITY "143" HIGHMARK ENERGY OPERATING, LLC $1.7 M UNIVERSITY -6- BURK ROYALTY CO., LTD. $1.7 M UNIVERSITY THOROUGHBRED BURK ROYALTY CO., LTD. $1.4 M FISHER, M. M. "A" VIN FISHER OPERATING, INC. $1.4 M CRADDOCK 'D' FLAT TOP OPERATING, LLC $1.3 M UNIVERSITY -II- HIGHMARK ENERGY OPERATING, LLC $1.2 M TEXAS -B- SNOW OIL & GAS, INC. $1.1 M FISHER, M. M., ESTATE -B- CAPSTONE NATURAL RESOURCES, LLC $1.1 M UNIVERSITY YZ OXY USA WTP LP $1.1 M BRAHANEY UNIVERSITY BURK ROYALTY CO., LTD. $983 k UNIVERSITY -B- GRAMA OPERATING, LLC $970 k FISHER 23B VIN FISHER OPERATING, INC. $959 k TEXAS -PP- MAYNARD OIL CO. $904 k UNIVERSITY-6 -B- BURK ROYALTY CO., LTD. $902 k GARDNER, F. E. OLSEN ENERGY INC. $879 k CABOT UNIVERSITY LANDS HIGHMARK ENERGY OPERATING, LLC $856 k UNIVERSITY ISABELL HIGHMARK ENERGY OPERATING, LLC $831 k FISHER, M. M. -B- CAPSTONE NATURAL RESOURCES, LLC $827 k UNIVERSITY -26- CRESCENT ENERGY OPERATING, LLC $826 k UNIVERSITY "5-B" RING ENERGY, INC. $813 k ELK SHERIDAN PRODUCTION COMPANY, LLC $790 k UNIVERSITY -155- HENRY PETROLEUM LP $757 k UNIVERSITY -154- LEGACY RESERVES OPERATING LP $692 k UNIVERSITY 173 HENRY PETROLEUM LP $688 k UNIVERSITY "4-B" RING ENERGY, INC. $606 k TEXAS -QQ- MAYNARD OIL CO. $587 k FISHER, M. M., EST. CAPSTONE NATURAL RESOURCES, LLC $582 k ARMSTRONG MOORE, DAVID & ASSOCIATES, INC. $542 k FISHER, NOLA -A- PACESETTER ENERGY, LLC $532 k UNIVERSITY -169- HENRY PETROLEUM LP $512 k UNIVERSITY -23- PARISH, JOHN R. $416 k UNIVERSITY BC OXY USA WTP EOR, LLC $402 k STATE OF TEXAS -AG- CHEVRON MIDCONTINENT, L.P. $364 k UNIVERSITY CI OXY USA WTP EOR, LLC $297 k CARRUTH "12" HANNATHON PETROLEUM, LLC $271 k UNIVERSITY "P" SABINE OIL & GAS CORPORATION $247 k DOW-CORRIDOR RING ENERGY, INC. $223 k UNIVERSITY 174 HENRY PETROLEUM LP $193 k NORTHLAKE 11 RING ENERGY, INC. $162 k PARKS INDIAN PARISH, JOHN R. $136 k PARKER, J.E. "E-3" PURE RESOURCES, L.P. $135 k PARKER,J.E. CHEVRON MIDCONTINENT, L.P. $105 k PARKER, J. E. "C" CHEVRON MIDCONTINENT, L.P. $75 k UNIVERSITY "BF" HERBIG, J F $72 k PARKER, J.E. "E-2" MORNINGSTAR OPERATING LLC $49 k UNIVERSITY "14/26" HENRY PETROLEUM LP $45 k CREWS, E. R. H&M PRODUCTION, INC. $35 k UNIVERSITY HENRY PETROLEUM CORP. $26 k UNIVERSITY ARIAH VIN FISHER OPERATING, INC. $18 k DEEPROCK -B- MARALO, INC. $16 k UNIVERSITY -170- HENRY PETROLEUM CORP. $15 k MARLO -11- SANDRIDGE EXPL. AND PROD., LLC $11 k WHITESIDE QUESTA PRODUCTION COMPANY $10 k UNIVERSITY 13G HENRY PETROLEUM CORP. $3 k FISHER -12- MIOCENE OIL & GAS, INC. $2 k OTHELL FOREST OIL CORPORATION $2 k UNIVERSITY -141- HENRY PETROLEUM LP $1 k NICHOLS SISTERLOAD RING ENERGY, INC. $329 LAKESIDE -11- BC OPERATING, INC. $117
Field number 82570500 , from the Railroad Commission's field register. The register's own index resolves 194 leases and 1,113 wells to this field by name, over every lease in Texas rather than only those with a page here. It resolves a lease by NAME and refuses an ambiguous one, so it counts nothing for a field that shares its name with another — which is why the lease count above comes from the field number instead.