Patents by Inventor Linqun Zhang

Linqun Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Petroleum fracturing proppant prepared from flyash and waste ceramic, and preparation method thereof
    Patent number: 9611423
    Abstract: Provided is a petroleum fracturing proppant prepared from flyash and waste ceramics, the petroleum fracturing proppant being prepared from the following components: 40 wt. %-90 wt. % of main material, the main material being flyash and waste ceramics; 1 wt. %-40 wt. % of auxiliary material, the auxiliary material being potassium feldspar powder and manganese ore powder; and the sum of the main material and the auxiliary material is 100%. The present invention employs low-cost flyash and waste ceramics as raw material, and the petroleum fracturing proppant prepared under a low temperature has low apparent density and strong crushing resistance, and is also low cost and reduces energy consumption.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: April 4, 2017
    Assignee: Hebi Tianrui Petroleum Proppant Co., Ltd
    Inventors: Shengjie Zhang, Linqun Zhang, Yingjun Wang
  • Petroleum Fracturing Proppant Prepared from Flyash and Waste Ceramic, and Preparation Method Thereof
    Publication number: 20150152319
    Abstract: Provided is a petroleum fracturing proppant prepared from flyash and waste ceramics, the petroleum fracturing proppant being prepared from the following components: 40 wt. %-90 wt. % of main material, the main material being flyash and waste ceramics; 1 wt. %-40 wt. % of auxiliary material, the auxiliary material being potassium feldspar powder and manganese ore powder; and the sum of the main material and the auxiliary material is 100%. The present invention employs low-cost flyash and waste ceramics as raw material, and the petroleum fracturing proppant prepared under a low temperature has low apparent density and strong crushing resistance, and is also low cost and reduces energy consumption.
    Type: Application
    Filed: May 29, 2013
    Publication date: June 4, 2015
    Applicant: Hebi Tianrui Petroleum Proppant Co., Ltd
    Inventors: Shengjie Zhang, Linqun Zhang, Yingjun Wang