97超碰在线播放-亚洲一区中文字幕-麻豆短视频-欧美日韩午夜-午夜一级片-国产欲妇-欧美性天天-91国语对白-亚洲黄色大全-自拍偷拍第五页-欧美日韩高清一区二区三区-av色噜噜-精品裸体舞一区二区三区-久久人爽-在线视频观看一区-每日更新在线观看av-亚洲第一免费-a成人在线-69av国产-中文在线а√天堂-一个人看的www视频在线观看-www欧美在线-怡红院精品视频-欧美一级三级在线观看-免费电影一区二区三区

Products & services

Special drilling tools

Hilong Double Shoulder Connection Hilong Super High Torque Connection Hilong Gas Sealed Connection Hilong Super High-Strength Drill Pipe Hilong Sour Service Drill Pipe / Sour Service Heavy Weight Drill Pipe Hilong Non-Slip-Crush Drill Pipe Hilong Slip-Protected Drill Pipe Hilong Flush Hole Drill Pipe Hilong Double-Walled Drill Pipe Hilong Arctic Service Drill Pipe Hilong Landing String Drill Pipe Hilong's Electronic Tag Drilling Tool and IoT Management System Hilong Efficient Cuttings Bed Clean Drill Tool Hilong Large Size HDD (Horizontal Directional Drilling) Drill Pipe Hilong Slim Drill Pipe HLNST

Hilong Double Shoulder Connection

Hilong Super High Torque Connection

HLST®, HLIST®, and HLNST® are newly developed by Hilong based on the double shoulder structure of HLIDS®, featuring ultra-high torsional resistance double shoulder threads. HLST®, HLIST®, and HLNST® are more suitable for use in harsh well conditions such as deep wells, ultra deep wells, horizontal wells, extended reach wells, and sulfur-containing environments.

Hilong Gas Sealed Connection

Hilong Super High-Strength Drill Pipe

Hilong Sour Service Drill Pipe / Sour Service Heavy Weight Drill Pipe

Hilong Non-Slip-Crush Drill Pipe

Hilong landing string drill pipe is typically used to land heavy casing strings in a deep-water environment. Designed at the aspects of the drill pipe structure, material strength, etc., so that the landing string drill pipe has sufficient tensile load capacity to meet the tensile requirements of large-size heavy-duty landing.

Hilong Slip-Protected Drill Pipe

Hilong Flush Hole Drill Pipe

Hilong Double-Walled Drill Pipe

Hilong Arctic Service Drill Pipe

Hilong’s low-temperature drill pipe is independently developed to meet the needs of oil and gas exploration operations in extremely cold regions. It is a specialized drill pipe designed for use in low-temperature environments, capable of operating at temperatures of -60 °C and above.

Hilong Landing String Drill Pipe

Hilong's Electronic Tag Drilling Tool and IoT Management System

Hilong Efficient Cuttings Bed Clean Drill Tool

Hilong Large Size HDD (Horizontal Directional Drilling) Drill Pipe

Hilong Slim Drill Pipe

HLNST