THE WOODLANDS, Texas—As U.S. shale operators live with tightened purse strings and work to improve earnings, oilfield players are tackling another challenge in the field: casing deformation.

Representatives from Royal Dutch Shell, ConocoPhillips Canada, XTO Energy, BP and Ovintiv—formerly Encana Corp.—shared their experiences and how they’ve addressed the issue during a panel discussion at the recently held SPE Hydraulic Fracturing Technology Conference and Exhibition.

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