Recent Entries

• Overview of the most Overview of the most

  by JamieJGree JamieJGree December 5, 2022
  Original title: Overview of the most complete fishing tools in history (detailed, large quantity, professional) Overview During drilling and completion and downhole operations, the drill pipe, drill collar, casing and tubing string are stuck or broken, the bit cone falls into the well, the logging i...

• New Progress in KeyNew Progress in Key

  by JamieJGree JamieJGree December 5, 2022
  Original Title: New Progress in Key Technologies for Underground Metal Mining Underground metal mine mining is a systematic project, including development, development and mining (as shown in Figure 1, underground mine mining model), each link requires blasting. Therefore, how to blast safely and ef...

• Alarm proces method for punching of

  by JamieJGree JamieJGree December 5, 2022
  Original title: Automatic binding machine punching alarm processing method Automatic binding machine punching alarm is an early warning mechanism of automatic binding machine. Xiaobian has collected many questions about automatic binding machine punching alarm to answer them. Of course, if you have ...

• advantages of hydraulic impact hammer of r

  by JamieJGree JamieJGree December 5, 2022
  Original Title: Maintenance, Use and Advantages of Hydraulic Impact Hammer of Roofbolter 1. Check the hydraulic pipeline before starting work. Visually inspect all relevant lines and connections from the pump to the hammer to the tank. Tighten the loose bolts and joints, and replace the damaged oil ...

• Common reaction devicesCommon reaction devices

  by JamieJGree JamieJGree December 5, 2022
  Original Title: Common Reaction Devices for Organic Experiments 1. Water-free and oxygen-free operation device Chemical experiments often need to be carried out in the absence of water and must be kept at a pressure comparable to that of the atmosphere. Therefore, acid or basic drying tubes are used...