Tag Archives: blocking

Oil recovery technique combining chemical handling with water blocking in oil well

Application Number  00129385 Application Date  2000.12.05 Publication Number  1302942 Publication Date  2001.07.11 Priority Information     International Classification  E21B33/13;E21B43/22   Applicant(s) Name  Petroleum Univ (Huadong)   Address     Inventor(s) Name  Zhao Fulin;Wang Jiayin;Zhang Guicai   Patent Agency Code  11013 Patent Agent  zhao dongye AbstractAn oil recovery technique features the combination of chemical handling with… Read More »

Method for blocking perforation of oil well by explosion and blocking bullet

Application Number: 00112580Application Date: 2000.09.25Publication Number: 1346011Publication Date: 2002.04.24Priority Information: International: E21B33/13Applicant(s) Name: China Univ. of Science and TechnologyAddress: Inventor(s) Name: Zhou Tingqing;Yan Shichun;Liang KaifangPatent Agency Code: 34103Patent Agent: wang xiangqiuAbstract The present invention relates to a well perforation-packing ball sealer, and is characterized by that the metal tube, reinforced flange and tubing connector are… Read More »

Air blocking thin film and its prodn. method

Application Number: 00126829Application Date: 2000.07.28Publication Number: 1287916Publication Date: 2001.03.21Priority Information: 1999/7/30 JP 217583/99International: B29D7/01;C08G63/189;C09K19/38Applicant(s) Name: Sumitomo Chemical Co., Ltd.Address: Inventor(s) Name: Ideguchi TozoPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract Provided is a gas barrier film having a thickness of 18 mu m or less composed of a thermoplastic resin wherein the oxygen permeation coefficient is… Read More »

Technology for removing stratum blocking of oil well or water injection well by means of ClO2/hydrochloric acid composition

Application Number: 00113723Application Date: 2000.01.20Publication Number: 1306149Publication Date: 2001.08.01Priority Information: International: E21B33/138;E21B37/00;E21B43/25;E21B43/27Applicant(s) Name: Yisheng Chemical Co Ltd, Lanzhou CityAddress: Inventor(s) Name: Su Lihong;Zhao Weizu;Zhao PengPatent Agency Code: 62002Patent Agent: wang yushuangAbstract A composite ClO2/HCl process for unblocking the structum of oil wall or water-injecting well includes washing well, pretreating, acidifying, clay stabilizing, and expelling. It… Read More »

Method and device for blocking I/O communication port of computer

Application Number: 00114162Application Date: 2000.03.29Publication Number: 1315694Publication Date: 2001.10.03Priority Information: International: G06F12/10Applicant(s) Name: Su YiAddress: Inventor(s) Name: Su YiPatent Agency Code: 44217Patent Agent: guo weigangAbstract A method and its device for blocking I/O port of a computer is disclosed, and it features that the I/O port addresses which are forbidden to use, are stored in… Read More »

Blocking closure floating boat for combating flood

Application Number: 00114249Application Date: 2000.05.01Publication Number: 1268464Publication Date: 2000.10.04Priority Information: International: B63B35/34;B63B38/00Applicant(s) Name: Liang ZhaoxuanAddress: Inventor(s) Name: Liang Zhaoxuan;Liang Zhaowei;Liang JiexingPatent Agency Code: 44213Patent Agent: tang qiangxiAbstract An antiflood and plugging and damming stream flow drifting ship includes a ship body with drive's cab, the two sides of said ship body are installed with dam… Read More »

Safety and intelligent fuel blocking system as anti-theft device of vehicle

Application Number: 00117526Application Date: 2000.10.26Publication Number: 1287934Publication Date: 2001.03.21Priority Information: International: B60K15/077;B60R25/00;G10L21/02Applicant(s) Name: Chen YuehuiAddress: Inventor(s) Name: Chen YuehuiPatent Agency Code: 44101Patent Agent: wang xiongjieAbstract The present invention relates to an intelligent oil cut-off system as one electronic anti theft system for automobile and is characterized by the user's cipher element connected to the RC0-RC3,… Read More »

Water blocking method adopting oil-water separating agent for oil well with high water content

Application Number: 00120705Application Date: 2000.07.11Publication Number: 1332310Publication Date: 2002.01.23Priority Information: International: E21B33/13Applicant(s) Name: Tangshan Boya Science, Technology and Industry Development Co., Ltd.Address: Inventor(s) Name: Yang Guangjun;Hu Zhenqi;Li ZihePatent Agency Code: 13103Patent Agent: wang yonggongAbstract The invention discloses a kind of water plugging method by using water oil separating agent in the well containing water a… Read More »

Fastening means and blocking means

Application Number: 00122300Application Date: 2000.08.08Publication Number: 1298635Publication Date: 2001.06.13Priority Information: 1999/12/8 US 09/456774International: A01K89/00Applicant(s) Name: Blunruik Corp.Address: Inventor(s) Name: R.E. Stina;Nose Kazuo;R.D. BagbayPatent Agency Code: 72001Patent Agent: zhou beilinAbstract A fishing reel including a crank handle retained to a threaded end of a crankshaft by an attachment which comprises a nut for threadedly fixing the… Read More »

Impedance blocking filter circuit

Application Number: 00122790Application Date: 2000.08.09Publication Number: 1283920Publication Date: 2001.02.14Priority Information: 1999/8/9 US 09/370,137International: H04M1/74Applicant(s) Name: Exellsas Tech. Co., Ltd.Address: Inventor(s) Name: F.J. JicoPatent Agency Code: 31100Patent Agent: qian weiminAbstract An impedance blocking filter circuit is provided for use in telecommunication systems, which comprises: first, second, and third inductors connected in series between a first input… Read More »

High-water water blocking mixture and its preparing process and application

Application Number: 00123964Application Date: 2000.10.26Publication Number: 1351106Publication Date: 2002.05.29Priority Information: International: C09K7/00;E21B33/12Applicant(s) Name: Liu MaopingAddress: Inventor(s) Name: Liu MaopingPatent Agency Code: 37207Patent Agent: xiao huiAbstract A high-water water-blocking mixture for oil well and water injection well and its preparing process and application is disclosed. The material A is prepared from powdered thioaluminate clinker (98.3-98.9%), molasses… Read More »

Caculation method and device, of communication property and blocking probability, and recording medium thereof

Application Number: 00124173Application Date: 2000.08.18Publication Number: 1285701Publication Date: 2001.02.28Priority Information: 2000/2/4 JP 027990/200; 1999/8/20 JP 234799/1999International: H04B7/26;H04Q7/36Applicant(s) Name: NTT Dukemo K.K.Address: Inventor(s) Name: Ishikawa Yoshihiro;Iwamura TateselPatent Agency Code: 11038Patent Agent: ma gaoAbstract A method etc. for calculating traffic distribution at base stations and accurately and simply calculating the performance in the base stations in a… Read More »

Method for preventing molten body blocking in continuous production of chemial fibre chips

Application Number: 00126619Application Date: 2000.09.29Publication Number: 1289669Publication Date: 2001.04.04Priority Information: International: B29B9/02Applicant(s) Name: Baling Branch of Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Fan KaifeiPatent Agency Code: 43103Patent Agent: peng aienAbstract A method for preventing the molten body blocking in casing band step of continuously producing chemical fibre features that the current of the granulator arranged… Read More »

Composite oganic-inorganic selective ultraviolet blocking material and its preparation

Application Number: 00105870Application Date: 2000.04.17Publication Number: 1318595Publication Date: 2001.10.24Priority Information: International: C09C3/08Applicant(s) Name: Beijing Chemical Engineering Univ.Address: Inventor(s) Name: Duan Xue;Li Lei;Sun PengPatent Agency Code: 00000Patent Agent: Abstract The present invention is one composite material of composite bimetal oxide and organic ultraviolet ray absorbing agent. The composite bimetal oxide has the composition of M2+1-2xM3+xO1-x/2, where… Read More »

Overvoltage suppressor blocking static reactive power generator under pulse mode

Application Number: 00100042Application Date: 2000.01.07Publication Number: 1256542Publication Date: 2000.06.14Priority Information: International: H02H7/12;H02J3/00Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Liu Wenhua;Liang Xu;Wang ZhonghongPatent Agency Code: 11201Patent Agent: luo wenqunAbstract The overvoltage suppressor includes multiple inverter, gated bi-polar transistor, which has drain connected with a resistor, source connected to the negative pole of a capacitor on the DC… Read More »