Petrora

OPERATORS · RRC 101155  · P-5 STATUS Y

Mitsui E&P USA LLC

Houston, TX · most active in Webb County

Watch this operator

Mitsui E&P USA LLC was issued 6 drilling permits in the past 12 months, down 71% on the prior year, all in Webb County. 100% were horizontal.

None were issued in the past 90 days.

The RRC wellbore file lists 33 wells under its operatorship (28 producing, 4 shut in).

38 drilling permits have been issued to this operator number since 2023; its P-5 organization report was last filed January 4, 2026.

6
permits, last 12 months
-71%
vs prior 12 months (21)
1
counties, 12 months
28
producing wells, of 33 of record
29
leases it reports
100%
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026

From permit to spud

FROM THE DATES ON ITS W-1 PERMITS · ALL TIME

A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.

58%
spud rate · 22 of 38 mature permits
25
median days permit to spud · middle half 9–41
0
spuds, last 180 days
0%
cancelled · 0 permits
16
expired undrilled
10
permits a year over 4 active years

Permits issued by month

LAST 13 MONTHS · BY ISSUE DATE

Last 12 months 35

0246202420252026

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
Webb county →62326Mar 25, 2026
Leon county →—123Oct 27, 2025
Freestone county →—32Sep 8, 2025

All 38 permits, searchable → · Leases it reports → · On the map →

Formations in its completed wells

Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →

FormationWellsPermitted last 3 yrs
Rodessa66
Pettit66
Travis Peak66
Cotton Valley66
Woodbine66
Bossier55
Glen Rose44
Wilcox32
Olmos32
Escondido32
Austin Chalk21
San Miguel11
Anacacho11

Production by month

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →

0
bbl oil, last 12 reported months
—
vs the 12 months before
17.1M
mcf gas incl. casinghead, last 12
0
bbl oil since reporting began

Gas, mcf

Last 12 months 17,092,492 · prior 12 21,293,380(-20%)

02M4M202420252026

Beyond the permit record

RRC wellbore file

Wells of record

33
on the schedule
28
producing
4
shut in
0
injection
1
temp. abandoned
0
plugged

How it got them

10
permitted itself
23
acquired from others
0
permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →

Permit types

Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →

Type12 moPrior 12All time
Drill62138

Fields

RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.

FieldWellsProducing
Hawkville (Eagleford Shale)397445001414
Hawkville (Austin Chalk)397442501313
Bald Prairie (CV Consolidated)518955041
Dowdy Ranch (Cotton Valley)2597830010
Owen (Olmos)6788540010

P-5 organization report

As registered with the RRC. About the P-5 →

Registration
Status code Y
Last filed Jan 4, 2026
Gas gatheringGas operator
Address
1300 Post Oak Blvd Ste 1800
Houston, TX 77056
(713) 960-0023
Officers and agents
CT Corporation System · Other
Gomi, Kazuhiko · President,ceo, Board MGR
Martinez, Guillermo · Coo
Sunada, Tomohiro · Secretary,cso
Toyoda, Hiroshi · Secretary
Hayasaka, Akira · President
Ogawa, Takayuki · Director
Zornes, Karen · Filing Agent
All 10 on the P-5 →

Latest permits

NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
913148Mar 25, 2026Mar 25, 2026Mitsui E&P USA LLCWebbState Mid A #102HH13,00047945562
913149Feb 20, 2026Feb 20, 2026Mitsui E&P USA LLCWebbState Mid B #103HH13,00047945563
913137Feb 17, 2026Feb 17, 2026Mitsui E&P USA LLCWebbLindsay Ranch Unit #103HH13,00047945561
913201Aug 20, 2026Feb 12, 2026Mitsui E&P USA LLCWebbJustapor A #102HH14,00047945570
913201Feb 12, 2026Feb 12, 2026Mitsui E&P USA LLCWebbJustapor A #102HH14,00047945570
913201Feb 12, 2026Feb 12, 2026Mitsui E&P USA LLCWebbJustapor A #102HH14,00047945570
911366Oct 27, 2025Oct 27, 2025Mitsui E&P USA LLCLeonJBC Ranch #1HH30,00028932220
911366Oct 27, 2025Oct 27, 2025Mitsui E&P USA LLCLeonJBC Ranch #1HH30,00028932220
911366Oct 27, 2025Oct 27, 2025Mitsui E&P USA LLCLeonJBC Ranch #130,00028932220
911366Oct 27, 2025Oct 27, 2025Mitsui E&P USA LLCLeonJBC Ranch #1H30,00028932220
910183Sep 8, 2025Sep 8, 2025Mitsui E&P USA LLCFreestoneLipsey A #2HH30,00016134872
909789Aug 26, 2025Aug 26, 2025Mitsui E&P USA LLCWebbState Edith B #104HH13,00047945438
909789Aug 26, 2025Aug 26, 2025Mitsui E&P USA LLCWebbState Edith B #104HH13,00047945438
909789Aug 26, 2025Aug 26, 2025Mitsui E&P USA LLCWebbState Edith B #104HH13,00047945438
909788Aug 13, 2025Aug 13, 2025Mitsui E&P USA LLCWebbState Edith A #103HH13,00047945437

Full permit history →

About this data

Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.

Developers: this page as JSON is GET /v1/data/operators/tx/101155, documented in the API reference.