LEASES · O-4-5503 · OIL · DISTRICT 04

Kelsey Unit

No volume since Dec 1999

Exxon Mobil Corporation · Brooks County · Kelsey, Deep (Zone 17-B, N) field

Kelsey Unit is an RRC oil lease (O-4-5503) in Brooks County operated by Exxon Mobil Corporation, with 14 wells completed on it.

It has reported 171K barrels of oil and 229K mcf of gas since January 1993, last reporting volume in December 1999 (statewide data runs through April 2026).

The last 12 reported months total 3.03K barrels of oil, down 78% on the year before; the lease peaked at 8.12K barrels in April 1994.

2 operators have filed production on it, most recently Exxon Mobil Corporation since April 2000.

171K
bbl oil, all reported
229K
mcf gas incl. casinghead
3.03K
bbl oil, last 12 reported
-78%
vs the 12 before
14
wells completed on it
8.12K
peak month, bbl (Apr 1994)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME DEC 1999 · STATEWIDE DATA THROUGH APR 2026

Oil by month

Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.

Last 12 months 3,029 · prior 12 13,534(-78%)

05K10K19931994199519961997199819992000

Gas by month

Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.

Last 12 months 5,550 · prior 12 36,576(-85%)

05K10K15K19931994199519961997199819992000

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Exxon Corp.Jan 1993 → Mar 2000 · 87 mo
  2. Exxon Mobil CorporationApr 2000 → Aug 2000 · 5 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

14

wells completed on the lease

Plugged
7
NO Type on File
7

Newest permits

All 14 wells, searchable →

About this data

Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

Developers: this page as JSON is GET /v1/data/leases/tx/o-4-5503, documented in the API reference.