Photo: Mayra Beltran / Houston Chronicle
Attendees arrive to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees arrive to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
OXY hosts potential clients during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
OXY hosts potential clients during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Noble Energy hosts a booth during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Noble Energy hosts a booth during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Attendees crowd around exhibitors, network, and hold meetings during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees crowd around exhibitors, network, and hold meetings during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Alan Greenspan, former Federal Reserve chairman, is the keynote speaker in the NAPE Decision Maker's Breakfast at Hilton of the Americas on Thursday, Feb. 6, 2014, in Houston.
Alan Greenspan, former Federal Reserve chairman, is the keynote speaker in the NAPE Decision Maker's Breakfast at Hilton of the Americas on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Doug Handler, IHS chief U.S. economist and head of North America Macroeconomics, leads a discussion with keynote speaker, former Federal Reserve Chairman Alan Greenspan, during the NAPE Decision Maker's Breakfast at Hilton of the Americas on Thursday, Feb. 6, 2014, in Houston.
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Doug Handler, IHS chief U.S. economist and head of North America Macroeconomics, leads a discussion with keynote speaker, former Federal Reserve Chairman Alan Greenspan, during the NAPE Decision Maker's
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Photo: Mayra Beltran / Houston Chronicle
Attendees and exhibitors wait for doors to open during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees and exhibitors wait for doors to open during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Exhibitors and attendants make their way to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Exhibitors and attendants make their way to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Exhibitors and attendants meet and greet during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Exhibitors and attendants meet and greet during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
David Rigsby and C.R. Becky Harden, land manager with Apache, network during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
David Rigsby and C.R. Becky Harden, land manager with Apache, network during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Exhibitor Matt Knieriemen, of Eagle Land Services Inc., supervises a friendly competition for attendant Thomas Wahl of Capstone Natural Resources, during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
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Exhibitor Matt Knieriemen, of Eagle Land Services Inc., supervises a friendly competition for attendant Thomas Wahl of Capstone Natural Resources, during the NAPE Expo held at the George R. Brown Convention
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Photo: Mayra Beltran / Houston Chronicle
Billy Wingo discovers the Subsurface Theater in the Drilling Info booth during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Billy Wingo discovers the Subsurface Theater in the Drilling Info booth during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Attendees make their way to exhibitors during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees make their way to exhibitors during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Randy Kenworthy speaks to a fellow attendee as they make their way to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Randy Kenworthy speaks to a fellow attendee as they make their way to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Attendees arrive to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees arrive to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Robert Carter and Ed Parma listen to exhibitor during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Robert Carter and Ed Parma listen to exhibitor during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Gideon Powell, of Cholla Petroleum Inc., shakes hands with Ed Parma during the NAPE Expo Winter held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Gideon Powell, of Cholla Petroleum Inc., shakes hands with Ed Parma during the NAPE Expo Winter held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Attendees crowd around exhibitors during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees crowd around exhibitors during the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Attendees arrive to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Attendees arrive to the NAPE Expo held at the George R. Brown Convention Center on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Guests take their seats to listen to keynote speaker Alan Greenspan, former Federal Reserve chairman, during the NAPE Decision Maker's Breakfast at Hilton of the Americas on Thursday, Feb. 6, 2014, in Houston.
Guests take their seats to listen to keynote speaker Alan Greenspan, former Federal Reserve chairman, during the NAPE Decision Maker's Breakfast at Hilton of the Americas on Thursday, Feb. 6, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Former Interior Secretary Ken Salazar addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Saturday, Jan. 1, 2000, in Houston.
Former Interior Secretary Ken Salazar addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Saturday, Jan. 1, 2000, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Luke Keller, vice president of BP America, addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wendsday, Jan. 5, 2014, in Houston.
Luke Keller, vice president of BP America, addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wendsday, Jan. 5, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Former Interior Secretary Ken Salazar addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Former Interior Secretary Ken Salazar addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Former Interior Secretary Ken Salazar addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Former Interior Secretary Ken Salazar addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Former Interior Secretary Ken Salazar concludes his Q&A session with the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Former Interior Secretary Ken Salazar concludes his Q&A session with the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
Texas Railroad Commissioner Christie Craddick is part of a panel in the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Texas Railroad Commissioner Christie Craddick is part of a panel in the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle
David Blackmon, managing director of FTI Consulting, sits in a Regulations and Private Enterprise panel during the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
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David Blackmon, managing director of FTI Consulting, sits in a Regulations and Private Enterprise panel during the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday,
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Photo: Mayra Beltran / Houston Chronicle
Texas Railroad Commissioner Christie Craddick addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Texas Railroad Commissioner Christie Craddick addresses the winter North American Prospect Expo at the George R. Brown Convention Center on Wednesday, Feb. 5, 2014, in Houston.
Photo: Mayra Beltran / Houston Chronicle