OPERATORS · RRC 216990 · P-5 STATUS Y

Mark IV Engy

Amarillo, TX

Mark IV Engy has filed no drilling permits in the past 12 months; its most recent permit was issued November 17, 1983.

The RRC wellbore file lists 308 wells under its operatorship.

579 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed January 13, 1984.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 308 of record
0: leases it reports
—: 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.

62%: spud rate · 359 of 579 mature permits
38: median days permit to spud · middle half 16–76
0: spuds, last 180 days
7%: cancelled · 40 permits
179: expired undrilled
83: permits a year over 7 active years

Where

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

County	12 mo	All time	Wells	Last
Lipscomb county →	—	129	48	Oct 18, 1983
Hemphill county →	—	119	46	May 4, 1983
Roberts county →	—	75	17	Nov 17, 1983
Ochiltree county →	—	70	110	Nov 4, 1983
Parker county →	—	39	1	Oct 27, 1981
Hockley county →	—	24	0	Sep 16, 1982
Palo Pinto county →	—	15	0	Apr 8, 1982
Glasscock county →	—	14	2	Sep 28, 1983
Moore county →	—	13	19	Dec 23, 1981
Eastland county →	—	10	0	Feb 3, 1983
Lubbock county →	—	9	0	Aug 26, 1981
Menard county →	—	8	0	Aug 3, 1981
Sherman county →	—	7	11	Apr 29, 1983
Howard county →	—	6	0	Feb 11, 1982
Freestone county →	—	5	0	Dec 31, 1981
Lynn county →	—	5	0	Feb 25, 1983
Anderson county →	—	4	0	Oct 19, 1983
Jim Hogg county →	—	4	0	May 12, 1983
Dimmit county →	—	3	4	Jul 25, 1978
Garza county →	—	2	0	Mar 31, 1982
Gray county →	—	2	2	Sep 12, 1977
Hansford county →	—	2	25	Sep 18, 1980
Stonewall county →	—	2	0	May 4, 1983
Sutton county →	—	2	0	Apr 12, 1982
Throckmorton county →	—	2	0	Apr 6, 1983
Borden county →	—	1	0	Nov 16, 1977
Cass county →	—	1	0	Jun 19, 1978
Erath county →	—	1	0	May 2, 1979
Hardeman county →	—	1	0	Nov 18, 1981
Jack county →	—	1	0	Mar 12, 1982
Sterling county →	—	1	0	Mar 20, 1979
Terry county →	—	1	0	Jan 23, 1981
Wheeler county →	—	1	0	Mar 19, 1979

All 579 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 →

Formation	Wells	Permitted last 3 yrs
Douglas	42	0
Brown Dolomite	35	0
Cleveland	33	0
Tonkawa	27	0
Kansas City	13	0
Morrow	11	0
Granite Wash	10	0
Mississippian	9	0
Des Moines	9	0
Atoka	8	0
Clear Fork	3	0
San Andres	3	0
Glorieta	3	0
Caddo	2	0
Oswego	2	0

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
0: mcf gas incl. casinghead, last 12
0: bbl oil since reporting began

No lease production reported under this operator number in the last three years.

Beyond the permit record

RRC wellbore file

Wells of record

308: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
200: plugged

How it got them

17: permitted itself
5: acquired from others
241: 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

0: active UIC permits of 5
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Hansford	0 active	0 bbl/d
Hutchinson	0 active	0 bbl/d
Moore	0 active	0 bbl/d
Ochiltree	0 active	0 bbl/d
Roberts	0 active	0 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 →

Type	12 mo	Prior 12	All time
Drill	0	0	532
Recompletion	0	0	40
Other	0	0	7

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.

Field	Wells	Producing
Farnsworth East (Oswego)30274888	16	0
Twin (Des Moines)92038444	15	0
Panhandle West68831001	14	0
Mammoth Creek (Tonkawa)57019830	13	0
Dutcher (Cleveland)26801333	12	0
Spearman N.(lansing-Kansas City)85001800	12	0
Canadian NW. (Morrow Lo.)15215666	11	0
Texas Hugoton89120001	10	0
Parsell (Morrow Lower)69427664	9	0
Panhandle Hutchinson County Fld.68887001	8	0
Farnsworth-Conner (Des Moines)30293333	6	0
Lipscomb (Cleveland Sec. 610)53869360	6	0

P-5 organization report

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

Registration: Status code Y; Last filed Jan 13, 1984

Address: Box 631; Amarillo, TX 79173

Officers and agents: Groves, C. Barton · Vice President; Fretthold, Timothy J. · Secretary; Mielke, D.C. · Treasurer

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
669127	Oct 31, 2008	Oct 31, 2008	BP America Production Company	Ochiltree	Ellis, Carl -E- #2742	9,060	35700753
547752	Jul 2, 2004	Jul 2, 2004	Apache Corporation	Ochiltree	Dickinson, Charles D. #1400	9,196	35725230
451283	Aug 13, 1996	Aug 13, 1996	Midgard Energy Company	Ochiltree	Herndon, Edna J. "C" #1	8,224	35702355
408363	Jan 27, 1993	Jan 27, 1993	Bracken Energy Company	Hansford	Betty #312	5,400	19501218
221850	Nov 17, 1983	Nov 17, 1983	Diamond Chemicals Company	Roberts	Parsell, Warren B. "F" #5	6,400	39330170
219854	Nov 4, 1983	Nov 4, 1983	Diamond Chemicals Company	Ochiltree	Ellzey, Lawrence et al "D" #3651	9,450	35731464
217988	Oct 19, 1983	Oct 19, 1983	Mark IV Energy	Anderson	Robertson, Byrdie #1	10,300	00131520
217572	Oct 18, 1983	Oct 18, 1983	Diamond Chemicals Company	Lipscomb	Citizens National Bank Trustee G #2	5,780	29500192
215498	Sep 28, 1983	Sep 28, 1983	Diamond Chemicals Company	Glasscock	Calverley #3036	8,300	17331484
214559	Sep 23, 1983	Sep 23, 1983	Diamond Chemicals Company	Roberts	Reynolds, Wiley et AL #1022	10,150	39330974
214234	Sep 23, 1983	Sep 23, 1983	Diamond Chemicals Company	Ochiltree	Richardson, V. W. "G" #2	7,150	35731448
214239	Sep 23, 1983	Sep 23, 1983	Diamond Chemicals Company	Ochiltree	Hancock, J. D. et AL #4	7,300	35731553
214085	Sep 22, 1983	Sep 22, 1983	Diamond Shamrock Exploration Co.	Roberts	Reynolds, Albert et al "I" #208	8,900	39330970
207564	Aug 25, 1983	Aug 25, 1983	Diamond Chemicals Company	Lipscomb	Parker, Harry L. 785 #2	6,850	29531373
206865	Aug 23, 1983	Aug 23, 1983	Diamond Chemicals Company	Ochiltree	Henry-Bennett #2	7,150	35731429

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/216990, documented in the API reference.