WELL · 42-135-39380 · DISTRICT 8

Tatia #8

N

Ector County · Sallie Ann (Spraberry-Wolfcamp) field  · Vertical

Tatia #8 (API 42-135-39380) is a well in Ector County operated by Fdl Operating LLC, completed May 4, 2008.

The RRC has issued 2 drilling permits between 2007 and 2017, permitted to 11,000 ft.

Completion filings report 4 formation tops, including Spraberry, Leonard, Dean, Wolfcamp.

Its 2 leases have reported 3.46M barrels of oil and 4.8M mcf of gas since November 2007, last reporting in July 2026. The leases carry 53 wells, so these are lease totals, not this well alone.

Operator of record

FDL Operating LLC

Judson, TX · P-5 Y, filed Jul 7, 2023 · 182 permits on file · (800) 773-1203

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleFDL Operating LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitFDL Operating, LLCJul 25, 2017

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,000
total depth, ft
2
permits on file
Jul 25, 2017
last permit issued
May 4, 2008
completed
3.46M
cumulative oil, bbl
4.8M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 4, 2008
Shut in
—
Plugged
—

Surface location

31.668560, -102.287054

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 53 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tatia O-10-48987Spraberry (Trend Area)Diamondback E&P LLC302.93M3.82MMar 2017 – Jul 2026
Tatia O-10-38567Sallie Ann (Spraberry-Wolfcamp)FDL Operating, LLC23523K982KNov 2007 – Jun 2019

Oil, barrels lease total

Last 12 months 201,441 · prior 12 230,421(-13%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 293,743 · prior 12 270,174(+9%)

020K40K60K202420252026

Chain of custody

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

  1. 1EXL Petroleum, LPNov 2007 → Oct 2008
  2. 2Devon Energy Production Co, L.P.Nov 2008 → Jul 2016
  3. 3FDL Operating, LLCAug 2016 → Jun 2019
  4. 4Firebird Energy LLCJul 2019 → Nov 2022
  5. 5Diamondback E&P LLCDec 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
829102-99Field transferFDL Operating, LLCJul 22, 2017Jul 25, 2017Mar 13, 200810,420
646619-99DrillEXL Petroleum, LPSep 24, 2007Sep 27, 2007Mar 14, 200811,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-38567————
—— O-10-48987————

Formation tops

As filed on W-2/G-1. Subsea from 2,890 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,927-5,037
LeonardLEONARD SHALE8,333-5,443
Dean9,138-6,248
Wolfcamp9,256-6,366

Perforations

Perforated and open-hole intervals.

FromToType
8,11010,230Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7535117.5360 S
74,96611300 S
8.6255,405112,050 S
4.510,4046.125800 S
4.5—6.125725 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
00Dec 10, 2018Nov 12, 2018—
00Dec 1, 2017Sep 2, 2017Yes
00Dec 17, 2008Jun 20, 2008Yes
00Nov 24, 2008——

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 →

Four Corners 1423 H42-329-45824

0.4 KM · Firebird Energy LLC · Section with this well →

Yates3,038-146
Seven Rivers3,247-355
Queen3,360-468
Grayburg3,885-993
San Andres4,987-2,095
Glorieta6,127-3,235
Clear Fork7,155-4,263
Spraberry8,014-5,122

14 TOPS · FIRST 8

Four Corners 1423 G42-329-45823

0.4 KM · Firebird Energy LLC · Section with this well →

Yates3,039-146
Seven Rivers3,236-343
Queen3,356-463
Grayburg3,844-951
San Andres4,973-2,080
Glorieta6,122-3,229
Clear Fork7,150-4,257
Spraberry8,010-5,117

10 TOPS · FIRST 8

Four Corners 1423 E42-329-45821

0.5 KM · Firebird Energy LLC · Section with this well →

Yates3,019-122
Seven Rivers3,230-333
Queen3,360-463
Grayburg3,848-951
San Andres4,977-2,080
Clear Fork5,643-2,746
Glorieta6,126-3,229
Spraberry8,005-5,108

10 TOPS · FIRST 8

Four Corners 1423 F42-329-45822

0.5 KM · Firebird Energy LLC · Section with this well →

Yates3,019-122
Seven Rivers3,211-314
Queen3,360-463
Grayburg3,848-951
San Andres4,968-2,071
Glorieta6,138-3,241
Clear Fork7,154-4,257
Spraberry8,011-5,114

10 TOPS · FIRST 8

Four Corners 1423 D42-329-45970

0.5 KM · Firebird Energy LLC · Section with this well →

Yates3,018-119
Seven Rivers3,212-313
Queen3,360-461
Grayburg3,848-949
San Andres4,977-2,078
Glorieta6,155-3,256
Clear Fork7,154-4,255
Spraberry8,007-5,108

10 TOPS · FIRST 8

Tatia42-329-41882

0.5 KM · FDL Operating, LLC · Section with this well →

Yates3,012-113
Seven Rivers3,223-324
Queen4,205-1,306
San Andres4,571-1,672
Glorieta6,393-3,494
Clear Fork7,410-4,511
Spraberry7,981-5,082
Santa Rosa—

10 TOPS · FIRST 8

Tatia42-329-41880

0.5 KM · FDL Operating, LLC · Section with this well →

Yates3,039-142
Seven Rivers3,236-339
San Andres4,554-1,657
Glorieta6,361-3,464
Clear Fork7,391-4,494
Spraberry7,926-5,029
Queen—
Spraberry—

10 TOPS · FIRST 8

Tatia42-329-40590

0.5 KM · FDL Operating, LLC · Section with this well →

Yates3,007-108
Seven Rivers3,218-319
Queen4,200-1,301
San Andres4,566-1,667
Glorieta6,388-3,489
Clear Fork7,355-4,456
Spraberry7,976-5,077
Grayburg—

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/13539380, documented in the API reference.