OPERATORS · RRC 875777 · P-5 STATUS Y
Underground Services Markham, LP
Houston, TX
Watch this operatorUnderground Services Markham, LP has filed no drilling permits in the past 12 months; its most recent permit was issued June 21, 2010.
8 drilling permits have been issued to this operator number since 2005; its P-5 organization report was last filed January 9, 2015.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 0 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.
- 88%
- spud rate · 7 of 8 mature permits
- 150
- median days permit to spud · middle half 94–201
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 1
- expired undrilled
- 1
- permits a year over 6 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
All 8 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 |
|---|---|---|
| Caprock | 7 | 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
- 0
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 0
- plugged
How it got them
- 0
- permitted itself
- 0
- acquired from others
- 6
- 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 →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 8 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jan 9, 2015
- Address
- 4800 San Felipe
- Houston, TX 77056
- (281) 744-4806
- Officers and agents
- Underground Serv (Markham)gp LLC · General Partner
- Texas Brine Company, LLC · Managing Member
- Grabowski, Theodore M. · President
- Cartwright, Mark J · President
- Martin, Bruce E · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 697598 | Jun 21, 2010 | Jun 21, 2010 | Underground Services Markham, LP | Matagorda | Hudson, C.M. #4 | 7,300 | 32132307 |
| 662107 | May 27, 2008 | May 27, 2008 | Underground Services Markham, LP | Matagorda | Smith, L E #7 | 6,850 | 32132240 |
| 655792 | Feb 28, 2008 | Feb 28, 2008 | Underground Services Markham, LP | Matagorda | Trull #11 | 6,850 | 32132216 |
| 655686 | Feb 27, 2008 | Feb 27, 2008 | Underground Services Markham, LP | Matagorda | Trull #6 | 6,850 | 32132215 |
| 643316 | Aug 14, 2007 | Aug 14, 2007 | Underground Services Markham, LP | Matagorda | Smith, L. E. #6 | 6,850 | 32132184 |
| 643313 | Aug 7, 2007 | Aug 7, 2007 | Underground Services Markham, LP | Matagorda | Smith, L. E. #5 | 6,850 | 32132183 |
| 632278 | Feb 12, 2007 | Feb 12, 2007 | Underground Services Markham, LP | Matagorda | Trull #4 | 6,850 | 32132162 |
| 558063 | Feb 25, 2005 | Feb 25, 2005 | Underground Services Markham, LP | Matagorda | Hiltpold #8 | 6,850 | 32132051 |
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/875777, documented in the API reference.