Petrora

OPERATORS · RRC 102324  · P-5 STATUS Y

Oxyrock Oper, LLC

Houston, TX · most active in Martin County

Watch this operator

Oxyrock Oper, LLC was issued 129 drilling permits in the past 12 months, down 29% on the prior year, across 4 counties led by Martin with 49. 98% were horizontal.

24 were issued in the past 90 days, level with the prior quarter.

The RRC wellbore file lists 1,792 wells under its operatorship (1,005 producing, 638 shut in).

Lease reports credit it with 35.6M barrels of oil and 176M mcf of gas in the 12 months reported through April 2026, up 22% on the year before.

It holds 51 active disposal or injection permits, injecting 94.9M barrels in the 12 months reported through June 2025.

392 drilling permits have been issued to this operator number since 2019; its P-5 organization report was last filed March 4, 2026.

129
permits, last 12 months
-29%
vs prior 12 months (181)
4
counties, 12 months
1.01K
producing wells, of 1.79K of record
693
leases it reports
98%
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.

61%
spud rate · 211 of 344 mature permits
139
median days permit to spud · middle half 90–202
1
spuds, last 180 days -95%
0%
cancelled · 0 permits
181
expired undrilled
56
permits a year over 7 active years

Permits issued by month

LAST 35 MONTHS · BY ISSUE DATE

Last 12 months 158 · prior 12 190(-17%)

020402023202420252026

Where

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

County12 moAll timeWellsLast
Martin county →49102462Sep 2, 2026
Glasscock county →37123342Apr 2, 2026
Midland county →2382362Jun 4, 2026
Howard county →2085618Oct 20, 2026

All 392 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
Yates101101
San Andres101101
Spraberry9999
Clear Fork9696
Santa Rosa8080
Grayburg8080
Rustler8080
Glorieta7979
Queen6969
Seven Rivers5757
Dean1616
Wolfcamp77

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 →

35.6M
bbl oil, last 12 reported months
+22%
vs the 12 months before
176M
mcf gas incl. casinghead, last 12
64.9M
bbl oil since reporting began

Oil, barrels

Last 12 months 35,554,367 · prior 12 29,230,795(+22%)

02M4M202420252026

Gas, mcf

Last 12 months 175,945,673 · prior 12 127,279,758(+38%)

010M20M202420252026

Beyond the permit record

RRC wellbore file

Wells of record

1,792
on the schedule
1,005
producing
638
shut in
42
injection
0
temp. abandoned
74
plugged

How it got them

70
permitted itself
1,717
acquired from others
1
permitted, now run by others

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

RRC UIC permits · H-10 reported volumes

Disposal and injection

51
active UIC permits of 55
895K
permitted bbl/day, active
94.9M
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Howard15 active265K bbl/d
Martin14 active245K bbl/d
Glasscock14 active215K bbl/d
Midland8 active170K bbl/d

Permitted volume is a ceiling, not throughput. How to read it →

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
Drill129168390
Recompletion022

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
Spraberry (Trend Area)852803001,629929
Spraberry (Trend Area) R 40 Exc8528030113972
Moore6271100140
Varel (San Andres)9323333330
W. Z. B. (Grayburg)9447550020
McDowell (San Andres)5930425020
Azalea (Fusselman)460533320
AN Adkins (Ellenburger)243050020
Azalea (San Andres)460560020
Germania (Grayburg)3456340010
Azalea (Devonian)460522211
S.F.M. (Strawn)7922960011

P-5 organization report

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

Registration
Status code Y
Last filed Mar 4, 2026
Gas operatorOil operator
Address
5 Greenway Plaza Ste 110
Houston, TX 77046
(713) 215-7000
Officers and agents
CT Corporate System · Texas Resident Agent
Irons, William C · Vice President
Olcv CE US Holdings, Inc · Governing Person
Janiszewski, Thomas A · Vice President
Simmons, Jeffery F · Senior Vice President
Karathanos, Gina · Assistant Secretary
Laughlin, Terry · Assistant Secretary
Ramirez, Thaimar R · Vice President
All 14 on the P-5 →

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
919361Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem G #11DNH12,00022742940
919359Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem F #10HAH12,00022742939
919357Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem F #9LLH12,00022742938
919356Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem F #8DNH12,00022742937
919355Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem F #7JMH12,00022742936
919354Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem E #6LLH12,00022742935
919353Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem E #5HAH12,00022742934
919352Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem E #4DNH12,00022742933
919349Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem #3HAH12,00022742931
919351Oct 22, 2026Oct 20, 2026Oxyrock Operating, LLCHowardBluestem #2LLH12,00022742932
918281Sep 4, 2026Sep 2, 2026Oxyrock Operating, LLCMartinThree Penny G #14JMH10,00031747441
918297Sep 4, 2026Sep 2, 2026Oxyrock Operating, LLCMartinThree Penny F #13DNH10,00031747451
918296Sep 4, 2026Sep 2, 2026Oxyrock Operating, LLCMartinThree Penny F #12LSH10,00031747450
918294Sep 4, 2026Sep 2, 2026Oxyrock Operating, LLCMartinThree Penny F #11MSH10,00031747449
918280Sep 4, 2026Sep 2, 2026Oxyrock Operating, LLCMartinThree Penny F #10HBH10,00031747440

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/102324, documented in the API reference.