Drill pipe Heavy weight drill pipe Special drilling tools Drill collar
Internal coating for drill pipe series Internal coating for casing and tubing
Product specifications include center-cable intelligent products in welded spiral directional and welded thin-wall
Hilong super high-strength steel grades HLDT-SH®Z140, HLDT-SH®V150 and HLDT-SH®U165 are proprietary products which designed specifically for deep and ultra-deep wells, extended reach drilling (ERD) wells, deep offshore and other critical drilling applications. With a special chemistry composition and carefully designed heat treatment process, HLDT-SH®Z140, HLDT-SH®V150 and HLDT-SH®U165 grades have realized high strength, high toughness and improved fatigue resistance.
Scan and follow us滬ICP備14040674號-1
滬公網安備 31011302005992號 ? 2018 HI LONG GROUP OF COMPANIES， All Rights Reserved
