Fifteenth Court of Appeals

Case: 15-25-00120-CV    
15-25-00120-CV
07/09/2025
Administrative Law - Summary Judgment
Primexx Energy Opportunity Fund, LP and Primexx Energy Opportunity Fund II, LP 
Primexx Energy Corporation, M. Christopher Doyle, Angelo Acconcia, Blackstone Inc., Blackstone Holdings III LP, Blackstone EMA II LLC, BMA VII LLC, Blackstone Energy Management Associates II LLC, Blackstone Energy Partners II LP, Blackstone Management Associates VII LLC, Blackstone Capital Partners VII LP, BCP VII/BEP II Holdings Manager LLC, BX Primexx Topco LLC, and BPP Holdco LLC 
No 
 
 
 
 
 
 
Appellate Briefs
Date▲▼Event Type▲▼Description▲▼Document
01/23/2026Reply brief filedAppellant
12/16/2025Brief filed - oral argument not requestedAppellee
12/15/2025Brief filed - oral argument not requestedAppellee
12/15/2025Brief received - oral argument not requestedAppellee
10/16/2025Brief filed - oral argument requestedAppellant
10/16/2025Brief returned for non-compliance with T.R.A.P.Appellant
Case Events
Date▲▼Event Type▲▼Disposition▲▼Document
12/16/2025Case ready to be set 
12/16/2025Brief filed - oral argument not requested 
12/15/2025Brief received - oral argument not requested 
12/15/2025Brief filed - oral argument not requested 
12/15/2025Appellees brief due 
11/17/2025Supplemental clerks record filed 
11/07/2025Motion for extension of time to file brief disposedGRANTED
11/07/2025Motion for extension of time to file brief filed 
10/28/2025Appearance of counsel 
[ PDF/204 KB ] Appearance
10/27/2025Appearance of counsel 
[ PDF/131 KB ] Appearance
10/24/2025Appearance of counsel 
[ PDF/232 KB ] Appearance
10/20/2025Appellants brief due 
10/16/2025Brief filed - oral argument requested 
10/16/2025Brief returned for non-compliance with T.R.A.P. 
10/15/2025Record Sent 
10/15/2025Sealed exhibits filed 
10/15/2025Supplemental clerks record filed 
10/15/2025Appellants brief due 
09/15/2025Appellants brief due 
09/03/2025Motion for extension of time to file brief disposedGRANTED
09/02/2025Motion for extension of time to file brief filed 
08/15/2025Reporters record filed 
08/15/2025Reporters record due 
08/15/2025Clerks record due 
08/12/2025Letter issued by the court 
08/05/2025Notice filed 
08/04/2025Clerks record filed 
07/21/2025Fee paid 
07/21/2025Court fee due 
07/21/2025Docketing statement due 
07/09/2025Case began in court of appeals 
[ PDF/462 KB ] Clerk Information Sheet
[ PDF/192 KB ] Notice
07/07/2025Notice of appeal filed in trial court 
06/16/2025Judgment signed by trial court judge 
04/23/2026Submitted 
04/21/2026Motion in support of motion to appear pro hac vice disposedGRANTED
04/21/2026Motion to appear pro hac vice disposedGRANTED
04/15/2026Confirmation of oral argument & counsel presenting oral argument 
[ PDF/247 KB ] OA Confirmation
04/14/2026Confirmation of oral argument & counsel presenting oral argument 
04/14/2026Motion in support of motion to appear pro hac vice filed 
04/14/2026Motion to appear pro hac vice filed 
03/06/2026Set for submission on oral argument 
01/23/2026Reply brief filed 
01/23/2026Reply brief due 
01/05/2026Motion for extension of time to file reply brief disposedGRANTED
01/02/2026Motion for extension of time to file reply brief filed 
Calendars
Set Date▲▼Calendar Type▲▼Reason Set▲▼
04/23/2026SubmittedSubmitted on oral argument
Parties
Party▲▼Party Type▲▼Representative▲▼
Primexx Energy Opportunity Fund, LPAppellantBryan Caforio
Stephen Shackelford Jr.
Doyle, M. ChristopherAppelleeM. Taylor Levesque
Roger B. Cowie
Blackstone EMA II LLCAppelleeChristopher J. Schwegmann
David S. Coale
Yaman Desai
Kyle A. Gardner
Jessica D. Cox
Shirley Xu
Christopher W. Patton
Blackstone Holdings III LPAppelleeChristopher J. Schwegmann
Yaman Desai
Kyle A. Gardner
David S. Coale
Jessica D. Cox
Shirley Xu
Christopher W. Patton
Acconcia, AngeloAppelleeShirley Xu
David S. Coale
Jessica D. Cox
Christopher J. Schwegmann
Yaman Desai
Kyle A. Gardner
Christopher W. Patton
BPP Holdco LLCAppelleeChristopher J. Schwegmann
Jessica D. Cox
Yaman Desai
Christopher W. Patton
Kyle A. Gardner
Shirley Xu
David S. Coale
Blackstone Management Associates VII LLCAppelleeYaman Desai
Christopher J. Schwegmann
Shirley Xu
Jessica D. Cox
Kyle A. Gardner
David S. Coale
Christopher W. Patton
Blackstone Inc.AppelleeYaman Desai
David S. Coale
Jessica D. Cox
Kyle A. Gardner
Shirley Xu
Christopher J. Schwegmann
Christopher W. Patton
Blackstone Energy Partners II LPAppelleeKyle A. Gardner
Jessica D. Cox
Shirley Xu
David S. Coale
Christopher J. Schwegmann
Yaman Desai
Christopher W. Patton
Primexx Energy Opportunity Fund II, LPAppellantBryan Caforio
Stephen Shackelford Jr.
Primexx Energy CorporationAppelleeMichael C. Patton
Austin J. Lesch
Kasdin M. Mitchell
Zack C. Ewing
Jeremy A. Fielding
Blackstone Energy Management Associates II LLCAppelleeShirley Xu
Jessica D. Cox
Kyle A. Gardner
Yaman Desai
David S. Coale
Christopher J. Schwegmann
Christopher W. Patton
BCP VII/BEP II Holdings Manager LLCAppelleeYaman Desai
Kyle A. Gardner
Christopher J. Schwegmann
David S. Coale
Jessica D. Cox
Shirley Xu
Christopher W. Patton
BX Primexx Topco LLCAppelleeShirley Xu
Christopher J. Schwegmann
Jessica D. Cox
Kyle A. Gardner
David S. Coale
Yaman Desai
Christopher W. Patton
BMA VII LLCAppelleeDavid S. Coale
Kyle A. Gardner
Jessica D. Cox
Christopher J. Schwegmann
Shirley Xu
Yaman Desai
Christopher W. Patton
Blackstone Capital Partners VII LPAppelleeYaman Desai
Shirley Xu
Christopher J. Schwegmann
Kyle A. Gardner
David S. Coale
Jessica D. Cox
Christopher W. Patton
Trial Court Information
Business Court Division 1B 
Travis 
Honorable Bill Whitehill 
24-BC01B-0010 
Shylina Jackson