欧美黑人性暴力猛交喷水黑人巨大-国产激情久久久久影院老熟女-91麻豆免费国产在线-亚洲一区二区三区在线视频观看-亚洲精品国产成人片在线观看-韩国成人av免费一区二区-日本特级淫片免费看-国产精品亚洲一区二区三区在线-毛茸茸性xxxx毛茸茸毛茸茸

Products & Services

Hilong Super High-Strength Drill Pipe

Product Introduction 

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.

Product Advantage

· Hilong proprietary high-strength grades provide superior tensile and torsional strength compared to API grades; thus be able to use for drilling deeper and further.
·The special material and unique heat treatment process facilitate to meet both yield strength and toughness requirements, it also has better fracture toughness and fatigue resistance;
·The thin-walled, light-weight and improved size design are conducive to improving the hydralulic efficiency of drilling, and is suitable for extended reach well and super-deep well.

Product Specification

(a)Size Range: Including all API size from 2 3/8" to 6 5/8" inches；
(b)Steel Grade: HLDT-SH®Z140, HLDT-SH®V150 and HLDT-SH®U165.

Product Performance