Tag Archives: cementing

Cementing tool for plugging well underground

Application Number  00129389 Application Date  2000.12.08 Publication Number  1294244 Publication Date  2001.05.09 Priority Information     International Classification  E21B33/138   Applicant(s) Name  Research Inst of Oil Recovery Technology, Shengli Oil Field Co Ltd, China Petro-   Address     Inventor(s) Name  Wang Minxuan;Wang Shijie;Li Xiliang   Patent Agency Code  11013 Patent Agent  zhou jinglan AbstractA… Read More »

Agent for anti gassing-out in well cementing slurry and its prepn. method

Application Number: 00112835Application Date: 2000.04.07Publication Number: 1288035Publication Date: 2001.03.21Priority Information: International: C09K7/00Applicant(s) Name: Xi'nan Petroleum CollegeAddress: Inventor(s) Name: Chen Dajun;Cao Zhi;Liao GangPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to well fixing cement gas flee preverting agent and its preparation method. Said gas flee preventing agent is composed of modified fibre, active silicon… Read More »

Cementing filler for mine

Application Number: 00118973Application Date: 2000.09.06Publication Number: 1291631Publication Date: 2001.04.18Priority Information: International: C09J1/00Applicant(s) Name: Jiaojia Gold Mine, Shandong Gold Group Co LtdAddress: Inventor(s) Name: Luo Yanhua;Zhao Chuanqing;Zhang FaxiaPatent Agency Code: 00000Patent Agent: Abstract A cementing filler for mines contains ordinary cement clinker (62-78 Wt.%), coal gangue (6-15), tails (11-22), gypsum (2.4-3.0), sodium sulfate (0.4-0.5), alunite (1-1.25)… Read More »

Hydraulic cementing agent, its preparation method and material prepared using the cementing agent

Application Number: 00120231Application Date: 2000.07.17Publication Number: 1316396Publication Date: 2001.10.10Priority Information: 2000/4/5 FR 0004524International: C04B11/28;C04B11/05;C04B11/06;C04B28/16Applicant(s) Name: International Power IndustrialAddress: Inventor(s) Name: Li Guan-Shu;H. Hornaien;J. KautrillPatent Agency Code: 11038Patent Agent: long chuangongAbstract The invention concerns a method for preparing a hydraulic binder, characterised in that it consists in mixing at least the following two binders: a) a… Read More »

Asphalt cementing material for drainage-type pavement and its preparing process

Application Number: 00123145Application Date: 2000.10.26Publication Number: 1351096Publication Date: 2002.05.29Priority Information: International: C08L95/00Applicant(s) Name: China Petroleum & Chemical Corp.Address: Inventor(s) Name: Li Zhijun;Ning Aimin;Wu PeizunPatent Agency Code: 21102Patent Agent: li weiAbstract A polymer modified asphalt cementing material for drainage-type pavement is prepared from asphalt, thermoplastic elastomer, rubber-type polymer, and resin-type polymer through proportional mixing under high-temp… Read More »