FIELDS · TEXAS · FIELD 90620943

Tomball (Wilcox 8400)

Field · District 03 · Harris County · Wilcox 8400 in every state →

Tomball (Wilcox 8400) is an RRC field with 4 leases on file reported by 7 operators, in Harris County.

In the 12 months reported through April 2026 it produced 4,205 mcf of gas, down 87% on the year before, from 2 leases reporting volume.

MBX Operating LLC holds the most, 2 leases and 1.7 million mcf of gas lifetime.

Lifetime, the field has reported 15,023 barrels of oil and 2.8 million mcf of gas.

4
leases on file
2
leases reporting volume
7
operators, all time
2
active wellbores of 5 · 1 operators today
5
bbl oil, 12 months through Apr 2026 · −97%
4,205
Mcf gas, same 12 months · −87%
15,023
bbl oil, lifetime · 2.8M Mcf gas

Every well completed in it, searchable →

Reported production by month

12 months through Apr 2026 5 · prior 12 181(-97%)

0501002017201820192020202120222023202420252026

Tomball (Wilcox 8400): Oil by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 3

OperatorLeasesOil, bblGas, McfLast reported
MBX Operating LLC210.2K1.69MApr 2026
Tortuga Operating Company13.91K885KApr 2026
Tandem Energy Corporation1934270KMar 2001

All 4 leases in Tomball (Wilcox 8400), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Kobs a #1Tortuga Operating CompanyHarrisApr 24, 2006———
Adams G. Unit #1Tortuga Operating CompanyHarrisMar 10, 2004———
Tomball Gas Unit 9 #15Tandem Energy CorporationHarrisJan 16, 1995———
Mueller E. E. #4 FTortuga Operating CompanyHarrisNov 2, 1961———
Tomball GU 5 #1Exxon Corp.HarrisSep 2, 1958———

About this data

Field 90620943 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Wilcox 8400, is read from the field's name. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/90620943, documented in the API reference.