Development History
  • 2016

    December in 2016, after 500-day continuous and stable operations of the products in Daqing and Shengli Oilfields respectively, the product demonstrated its compliance with the users' requirements, for which they issued a User Report, and the company became eligible for mass production and supply.

  • 2014-2015

    Started batch manufacturing continued the down-hole field testing, and meanwhile set about the formulation of technical standards for manufacturing and testing;

  • 2013

    Carried out an experimental well test of the 4th generation prototype and completed the verification of overall reliability of the product;

  • 2012

    Carried out a test of the 3th generation prototype in a HT HP homeostasis experimental well and improved its down-hole insulation sealing technology;

  • 2011

    Carried out an experimental well test of the 2th generation prototype to verify and improve the system's down-hole insulation sealing;

  • 2009-2010

    Developed and improved the software platform and carried out a down-hole test of the system for the first time;

  • 2007-2008

    Succeeded in laboratory verification of the working principle and a prototype run;