42-235-31238

Final Completion

FARMER 55

IRION County · District 7 · PIONEER NATURAL RES. USA INC. · ROCK PEN (CANYON)

Permits

Max Depth

7,600 ft

First Permit

1978-01-09

Latest Activity

2002-01-11

Lifespan

24 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-04-28

Shut-In

—

Plugged

2009-08-25

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2015-08

Operator History

Chain of Custody

J & J SERVICES COMPANY 1993-2001→ PIONEER NATURAL RES. USA, INC. 2001-2008

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (2) Elevation 2,543 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	4,158 ft	-1,615 ft
WOLFCAMP	5,578 ft	-3,035 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
4,164–4,216 ft	Perforated
7,185–7,241 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	642 ft	400 sx
5.5"	7,650 ft	800 sx

Permit History (2)

#516786 Recompletion Final Completion

FARMAR "55" · 5,900 ft

2002-01-11

Spud 2001-12-14

#15903 Drill

FARMAR "55" · 7,600 ft

1978-01-09

Spud 1978-02-05

Applications (2)

#516786 A PIONEER NATURAL RES. USA, INC.

received 2002-01-11

#15903 A UNION TEXAS PETROLEUM CORP.

received 1978-01-09

Records & Logs

4 completion filings on record.

W-2/G-1 2002-06-20

W-2/G-1 2002-02-05

W-2/G-1 2002-03-14

W-2/G-1 1978-05-15

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in IRION County.

Well Details

Well Number: 1
Max Depth: 7,600 ft
Drill Type: Vertical
County: IRION
District: 7
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1978-04-28

Operator

Name: PIONEER NATURAL RES. USA, INC
Location: Y SPRING
P-5 Status: Active (filed 2025-08-01)
Cum Oil (all leases): 1,771,882,421 bbl
Cum Gas (all leases): 1,763,727,021 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 15,400