How to Choose a PDC Bit: Match It to Different Formations to Greatly Increase Footage per Run

The Complete Process for Extending Drilling Tool Life! Bearing Lubrication, Cleaning, and Storage Can Cut Most Losses

How to Quickly Free Stuck Pipe and Bit Bogging Downhole?

Dangerous Mismatch: Specifications, Tapers and Threads of Drilling Rigs and Drill Tools

This article distinguishes **PDC cutter chipping** and **insert loss**, two frequently mixed-up bit failures. Statistics from a 15-year bit repair expert show chipping accounts for 55% of scrapping ca

This article analyzes four major reasons for frequent breakage of rock drill rods: 1. **Raw‑material defects**: Poor‑quality steel contains impurities and air bubbles. These hidden internal flaws d

This article addresses a common field issue: PDC bits fail quickly after replacing tricone bits, which is usually blamed on bit quality. In most cases, however, damage results from applying tricone‑ba

This paper (Part II) mainly discusses typical construction troubles in horizontal directional drilling crossing projects, including stuck‑pipe and difficult pull‑back caused by unclean boreholes, pull

HDD crossing success relies heavily on proper trajectory design and steering‑system selection. Both wireless and wired steering have limitations on signal stability. Strict control of drill‑pipe defle