TEXAS · WELLS · ANDREWS COUNTY · TWILIGHT LEASE · API 42-003-42779 · DISTRICT 7B

Twilight #4

On schedule

Andrews County · Dempsey Creek (San Andres) field · Producing  · Vertical

Twilight #4 (API 42-003-42779) is a well in Andrews County operated by Texland Petroleum L.P., completed June 30, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 28, 2011, permitted to 4,669 ft.

Completion filings report 3 formation tops, including Rustler, Yates, San Andres.

Its lease has reported 386K barrels of oil and 40.1K mcf of gas since January 2010, last reporting volume in April 2026. The lease carries 12 wells, so these are lease totals, not this well alone.

Operator of record

Texland Petroleum L.P.

Based in
Fort Worth, TX
P-5 status
Active (A)
P-5 last filed
Oct 15, 2025
Permits on file
698
Phone
(817) 336-2751

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTexland Petroleum L.P.
Production reportsTexland Petroleum, L.P.through Apr 2026
Latest permitTexland Petroleum, L.P.Apr 28, 2011
4,669
total depth, ft
1
permits on file
Apr 28, 2011
last permit issued
Jun 30, 2011
completed
386K
cumulative oil, bbl
40.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · JAN 2010 THROUGH APR 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 30, 2011
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Twilight O-11-69532Dempsey Creek (San Andres)Texland Petroleum, L.P.12386K40.1KJan 2010 – Apr 2026

Oil, barrels lease total

Last 12 months 29,870 · prior 12 30,755(-3%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 1,314 · prior 12 1,430(-8%)

0100200300202420252026

Wells named Twilight

Texland Petroleum L.P.'s other wells filed under this lease name in Andrews County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Texland Petroleum, L.P.Jan 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
712636-99DrillTexland Petroleum, L.P.Mar 22, 2011Apr 28, 2011May 9, 20114,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 30, 2011Twilight O-11-69532Dempsey Creek (San Andres)Texland Petroleum L.P.Producing4,669

Formation tops

As filed on W-2/G-1. Subsea from 3,405 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,6531,752
Yates2,860545
San Andres4,328-923

Perforations

Perforated and open-hole intervals.

FromToType
4,5004,609Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,69612.25850 S
5.54,6687.875900 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Dec 14, 2011Aug 8, 2011Yes

Well logs

1 log loaded from the RRC's log index, the latest received Jul 7, 2014. Density, Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
NEUTRON/DENSITY POROSITYSpans Rustler, Yates, San AndresTIFF50 to 4,691Jul 7, 2014run May 20, 20113.58

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/00342779, documented in the API reference.