Supreme Court

Case: 26-0760    
26-0760
07/17/2026
Petition for Writ of Mandamus
IN RE PIONEER NATURAL RESOURCES USA, INC. 
 
Appellate Briefs
Date▲▼Event Type▲▼Description▲▼RemarksDocument
08/25/2026Response to PetitionReal Parties in Interest SEALED | Response to Petition for Review filed on behalf of John Merritt, et al.
08/24/2026Response to Petition for Writ of Mandamus FiledReal Parties in Interest Response to Petition for Writ of Mandamus filed on behalf of John Paul Merritt, et al.
07/17/2026Petition for Writ of Mandamus filedRelator Petition for Writ of Mandamus filed on behalf of Pioneer Natural Resources USA, Inc.
Case Events
Date▲▼Event Type▲▼Disposition▲▼RemarksDocument
08/31/2026Call received  Call from counsel for Real Parties in Interest stating a corrected redacted response will be filed.
08/25/2026Response to Petition  SEALED | Response to Petition for Review filed on behalf of John Merritt, et al.
08/25/2026Supplement to Clerk's/Reporter's Record  SEALED | Supplement to Mandamus Record filed on behalf of John Paul Merritt, et al.
08/24/2026Case Record Filed   Supplemental Mandamus Record filed on behalf of John Paul Merritt, et al.
08/24/2026Response to Petition for Writ of Mandamus Filed  Response to Petition for Writ of Mandamus filed on behalf of John Paul Merritt, et al.
08/24/2026Motion to file document(s) sealed by the Court filed  Motion for Leave to file Documents under Seal filed on behalf of John Paul Merritt, et al.
07/31/2026Miscellaneous motion disposed. See Remarks.Filing granted Motion for Leave to file Under Seal granted
07/24/2026Supreme Court of Texas Ordered Response  Court ordered response to petition for writ of mandamus due no later than August 24, 2026.
07/22/2026Case Record Filed   SEALED | Mandamus Record filed on behalf of Pioneer Natural Resources USA, Inc.
07/21/2026Case forwarded to Court 
07/17/2026Miscellaneous Motion  Motion for Leave to file Under Seal filed on behalf of Pioneer Natural Resources USA, Inc.
07/17/2026Case Record Filed  Mandamus Record filed on behalf of Pioneer Natural Resources USA, Inc.
07/17/2026Petition for Writ of Mandamus filed  Petition for Writ of Mandamus filed on behalf of Pioneer Natural Resources USA, Inc.
Calendars
Set Date▲▼Calendar Type▲▼Reason Set▲▼Remarks▲▼
07/21/2026Work-Up by Staff / Review by JusticesUnder Review 
08/24/2026ResponseCourt ordered response due 
08/24/2026Motion being reviewed by CourtMiscellaneous MotionMo/Leave to file Documents under Seal
Parties
Party▲▼Party Type▲▼Representative▲▼
Axe Energy, LLCReal Party in Interest Alix Allison
Christian Sweeney
Mr. Robert C. Vartabedian
Mr. Jeffrey Boyd
Michael Thompson
Pony Oil Operating, LLCReal Party in Interest Alix Allison
Mr. Robert C. Vartabedian
Mr. Jeffrey Boyd
Michael Thompson
Pioneer Natural Resources USA, Inc.RelatorPatrick LeMasters
Mr. Russell S. Post
Mr. John Ellis Jr.
Mr. Alex Benjamin Roberts
Mr. Corey F. Wehmeyer
Mr. Bennett Ostdiek
Seaton, Ronald Respondent 
Merritt, John PaulReal Party in Interest Mr. Jeffrey Boyd
Michael Thompson
Alix Allison
Mr. Robert C. Vartabedian
Pony Oil LLCReal Party in Interest Mr. Jeffrey Boyd
Alix Allison
Mr. Robert C. Vartabedian
Michael Thompson
Court of Appeals Information:
Denied 
___ SW3d ___, 06-18-26 
11th Court of Appeals 
Honorable W. Bruce Williams 
Trial Court Information
118th District Court 
Martin 
Honorable R. Shane Seaton 
7738