WELL · 42-135-43683 · DISTRICT 8

Xanadu 31 #1H

N

Ector County · Spraberry (Trend Area) field  · Horizontal

Xanadu 31 #1H (API 42-135-43683) is a horizontal well in Ector County operated by Diamondback E&P LLC, completed September 6, 2019.

The RRC has issued 2 drilling permits between 2019 and 2021, permitted to 12,115 ft.

Completion filings report 17 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its 2 leases have reported 194K barrels of oil and 318K mcf of gas since September 2019, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Diamondback E&P LLC

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitDiamondback E&P LLCApr 6, 2021
12,115
total depth, ft
2
permits on file
Apr 6, 2021
last permit issued
Sep 6, 2019
completed
194K
cumulative oil, bbl
318K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 6, 2019
Shut in
—
Plugged
—

Surface location

31.678317, -102.477860

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ector County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Xanadu 31 O-10-55594Peart (Barnett)Diamondback E&P LLC1107K200KApr 2021 – Jul 2026
Xanadu 31 O-10-53911Spraberry (Trend Area)Diamondback E&P LLC186.7K118KSep 2019 – Jul 2021

Oil, barrels lease total

Last 12 months 17,898 · prior 12 16,148(+11%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 22,517 · prior 12 23,615(-5%)

02K4K6K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCSep 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
868808-99Field transferDiamondback E&P LLCMar 31, 2021Apr 6, 2021—12,115
852568-99DrillDiamondback E&P LLCApr 29, 2019May 10, 2019Jun 11, 201912,115

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-53911————
—— O-10-55594————

Formation tops

As filed on W-2/G-1. Subsea from 2,879 ft elevation.Download CSV →

FormationMD ftSubsea
Santa RosaSANTA ROSA BASE1,6481,231
Yates2,81168
Seven Rivers3,001-122
Queen3,534-655
Grayburg3,817-938
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,306-1,427
Glorieta5,301-2,422
Clear ForkCLEARFORK5,393-2,514
Strawn7,223-4,344
Wolfcamp7,646-4,767
Pennsylvanian8,754-5,875
Canyon——
Connell——
Devonian——
Ellenburger——
Holt——
Tubb——

Perforations

Perforated and open-hole intervals.

FromToType
10,84115,561Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,75917.51,500 S
9.62510,01712.251,556 S
5.515,6578.752,730 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. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jun 1, 2021Apr 7, 2021Yes
00Apr 9, 2021Jan 30, 2020Yes
00Jul 10, 2020Jan 30, 2020Yes

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Earthshine 42-43 A42-135-43805

0.3 KM · Diamondback E&P LLC · Section with this well →

Yates2,80879
Seven Rivers3,015-128
Queen3,589-702
Grayburg3,884-997
San Andres4,111-1,224
Glorieta5,351-2,464
Clear Fork6,062-3,175
Holt—

10 TOPS · FIRST 8

Tom Sawyer 43-6 C42-135-43894

1.5 KM · Diamondback E&P LLC · Section with this well →

Yates2,79463
Seven Rivers2,978-121
Queen3,513-656
Grayburg3,789-932
San Andres4,012-1,155
Glorieta5,375-2,518
Clear Fork6,081-3,224
Santa Rosa—

10 TOPS · FIRST 8

Red Barchetta 30-1942-135-43764

1.6 KM · Diamondback E&P LLC · Section with this well →

Yates2,83885
Seven Rivers3,059-136
Queen3,646-723
Grayburg3,910-987
San Andres4,115-1,192
Clear Fork5,294-2,371
Tubb—
Santa Rosa—

10 TOPS · FIRST 8

Tom Sawyer 43-6 A42-135-43823

1.8 KM · Diamondback E&P LLC · Section with this well →

Yates2,83036
Seven Rivers2,972-106
Queen3,540-674
Grayburg3,858-992
San Andres4,044-1,178
Glorieta5,339-2,473
Clear Fork6,013-3,147
Santa Rosa—

10 TOPS · FIRST 8

Dreamline 41-44 A42-135-43877

2.9 KM · Diamondback E&P LLC · Section with this well →

Clear Fork6,565-3,583
Glorieta—
Grayburg—
Holt—
Queen—
San Andres—
Santa Rosa—
Seven Rivers—

10 TOPS · FIRST 8

Edwards42-135-43525

3.3 KM · Turrentine Oil & Gas, Inc. · Section with this well →

Santa Rosa1,1121,897
Yates3,058-49
Seven Rivers3,265-256
Queen3,577-568
Grayburg4,282-1,273
Tubb—
Holt—
Clear Fork—

10 TOPS · FIRST 8

SDB 40/33 A42-135-44152

5.0 KM · Mewbourne Oil Company · Section with this well →

Santa Rosa1,3661,568
Yates3,106-172
Seven Rivers3,390-456
Queen4,001-1,067
Grayburg4,491-1,557
San Andres4,583-1,649
Glorieta5,651-2,717
Clear Fork6,308-3,374

10 TOPS · FIRST 8

Joben 39/3442-135-44129

5.1 KM · Mewbourne Oil Company · Section with this well →

Santa Rosa1,3631,572
Yates3,107-172
Seven Rivers3,390-455
Queen4,006-1,071
Grayburg4,512-1,577
San Andres4,604-1,669
Glorieta5,683-2,748
Clear Fork6,364-3,429

10 TOPS · FIRST 8

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/13543683, documented in the API reference.