Tag Archives: well

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 »

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 »

Technology for washing well by screw pump with hollow rotor

Application Number  00129129 Application Date  2000.09.28 Publication Number  1305048 Publication Date  2001.07.25 Priority Information     International Classification  E21B37/00   Applicant(s) Name  Inst of Oil Recovery Technology, Daqing Oil Field Co Ltd   Address     Inventor(s) Name  Wei Jide;Wang Jinsong;He Yan   Patent Agency Code  23202 Patent Agent  zhu shiwen AbstractA technology for washing… Read More »

Oil well viscosity reducing method

Application Number: 00119373Application Date: 2000.07.13Publication Number: 1277311Publication Date: 2000.12.20Priority Information: International: E21B43/22Applicant(s) Name: Sun ShengkaiAddress: Inventor(s) Name: Sun ShengkaiPatent Agency Code: 00000Patent Agent: Abstract The oil well viscosity reducing method for condensed oil production is that condensed oil viscosity reducing agent is produced into solid viscosity reducing block with crude oil passage and certain amount… Read More »

Underground heating method and equipment for oil well

Application Number: 00123990Application Date: 2000.10.31Publication Number: 1351220Publication Date: 2002.05.29Priority Information: International: E21B36/04Applicant(s) Name: Inst of Petroleum Recovery Technology, Shengli Petroleum AdministrationAddress: Inventor(s) Name: Zhang Zhenhai;Gao Guangqi;Liang XiuhongPatent Agency Code: 11013Patent Agent: li fushouAbstract An underground heating method and device for oil well features that the sucker rod is used as the electric heater to heat… Read More »

Up and down compensated cable type well logging hoister system and application method

Application Number: 00120294Application Date: 2000.07.19Publication Number: 1281089Publication Date: 2001.01.24Priority Information: 1999/7/19 US 09/356432International: E21B44/02Applicant(s) Name: Schlumberger Oversea (S), S.A.Address: Inventor(s) Name: M. Rosgenor;A. Amstlong;M. W. LasmaosenPatent Agency Code: 72001Patent Agent: zhou beilinAbstract A computer controlled heave compensation wireline logging winch system and method of use that compensates for the effects of wave motion on floating… Read More »

Process for reclaiming wastes in situ of drilling well on land

Application Number: 00110635Application Date: 2000.07.05Publication Number: 1280957Publication Date: 2001.01.24Priority Information: International: B09B3/00;C02F1/40;C02F11/12Applicant(s) Name: Zhang FuyanAddress: Inventor(s) Name: Zhang FuyanPatent Agency Code: 21106Patent Agent: wu shihuaAbstract A process for in-situ reclaiming three wastes of drilling well on land includes such steps as collecting the sawage, drilling liquid and rock debris into separator, slurry recovery tank, cement… 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 »

Anti-leakage compound wall of freeze well and its construction method

Application Number: 00111004Application Date: 2000.04.11Publication Number: 1270271Publication Date: 2000.10.18Priority Information: International: E21D1/12;E21D5/00Applicant(s) Name: Inst. of Water-proof Building Materials, Shandong Science and Technology Univ.Address: Inventor(s) Name: Qu Laiyin;Ma Shanquan;Zhang DaqingPatent Agency Code: 00000Patent Agent: Abstract An anti-leakage compound wall of freeze well is composed of internal and external concrete walls and coiled water-proof material sandwich of… Read More »

Heat transfer method for logging well

Application Number: 00120997Application Date: 2000.08.08Publication Number: 1305105Publication Date: 2001.07.25Priority Information: International: E21B47/00;G01N25/00;G01V9/00Applicant(s) Name: Research Inst of Exploration Development, Daqing Oil Field Co LtdAddress: Inventor(s) Name: Li Zishun;Li Xingjun;Li HuijunPatent Agency Code: 11100Patent Agent: cheng fengruAbstract A heat transfer method for logging well includes such steps as determining the target bearing stratum in well according to… 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 »

Load reducer for petroleum well

Application Number: 00122313Application Date: 2000.07.27Publication Number: 1283747Publication Date: 2001.02.14Priority Information: International: F04B47/02Applicant(s) Name: Jianghan Inst. of Machinery, Academy of Petroleum Exploration and Development ScAddress: Inventor(s) Name: Zhou Liren;Han GuihuaPatent Agency Code: 00000Patent Agent: Abstract A load reducer for petroleum recovering well is composed of fixed assemblage and moxing assemblage reciprocating in the fixed assemblage. Two… 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 »

Giant well bombinator proteinase inhibitor and its prepn. and pharmaceutical application

Application Number: 00122416Application Date: 2000.07.29Publication Number: 1336385Publication Date: 2002.02.20Priority Information: International: A61K38/57;A61P1/04;A61P1/18;C07K1/14;C07K14/435Applicant(s) Name: Kunming Inst. of Zoology, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhang Yun;Lai Ren;Zheng YongtangPatent Agency Code: 53200Patent Agent: yang hongzhenAbstract The present invnetion invention relates to large puling toad protease inhibitor, it is a single chain serine protease inhibitor, obtained from said… Read More »

Method and treater for using waste fume as circulated medium in drilling or repairing well

Application Number: 00112904Application Date: 2000.04.29Publication Number: 1291678Publication Date: 2001.04.18Priority Information: International: E21B21/16;F01N3/02Applicant(s) Name: Chuanxinan Design Inst of Mine Engineering, Sichuan Petroleum AdministrationAddress: Inventor(s) Name: Wen Ming;Luo Shiying;Chen ZhongshiPatent Agency Code: 51118Patent Agent: zhan fuwuAbstract A method for using waste fume in drilling or reparing well features that the waste fume from diesel engines in well… Read More »

Material for spraying lower tunnel of supporting well and its preparation method

Application Number: 00122898Application Date: 2000.09.05Publication Number: 1281829Publication Date: 2001.01.31Priority Information: International: C04B18/12;C04B28/18;E21D11/04Applicant(s) Name: Kailuan (Group) Co. Ltd.Address: Inventor(s) Name: Zhong Yaping;Yin Zuoru;Li JianminPatent Agency Code: 11012Patent Agent: zhang wenAbstract The present invention relates to a spraying support material which can be extensively used for underground tunnel engineering in the fields of coal mine, metallurgical industry,… Read More »

Oil well water capacity measuring instrument

Application Number: 00112929Application Date: 2000.05.15Publication Number: 1299970Publication Date: 2001.06.20Priority Information: International: E21B47/00;G01N27/06Applicant(s) Name: Sichuan Science City Jiuli Electronics Corp.Address: Inventor(s) Name: Cen Dagang;Huang Chengxian;Liu HuangyingPatent Agency Code: 51210Patent Agent: han zhiyangAbstract The water holdup measuring apparatus utilizes needle probes which are distributed in space and extented into the fluid at omnibering of 360 deg. and… Read More »

Method for passing electric cable through oil tube in oil well

Application Number: 00123075Application Date: 2000.10.10Publication Number: 1289888Publication Date: 2001.04.04Priority Information: International: E21B47/00Applicant(s) Name: Well Logging Co, Daqing Petroleum AdministrationAddress: Inventor(s) Name: Gao Wenjun;Chen Guohua;Wang ZhongyiPatent Agency Code: 23100Patent Agent: li yunxiaAbstract A method for passing electric cable through oil tube in oil well features that an electric cable repeater is installed between oil tubes under… 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 »

Hierarchical monitor method for parameters of oil recovering layer in oil well

Application Number: 00123076Application Date: 2000.10.10Publication Number: 1289889Publication Date: 2001.04.04Priority Information: International: E21B47/00;E21B47/06Applicant(s) Name: Well Logging Co, Daqing Petroleum AdministrationAddress: Inventor(s) Name: Chen Guohua;Li Jianhao;Zou DefuPatent Agency Code: 23100Patent Agent: li yunxiaAbstract A hierarchial monitor method for the parameters of oil recovering layes in oil well features that the hierarchical pressure-measing segment of pressure-measuring cabin is… Read More »

Pressure difference desalting and purifying method and equipment for deep well water

Application Number: 00115749Application Date: 2000.05.18Publication Number: 1324768Publication Date: 2001.12.05Priority Information: International: C02F1/44Applicant(s) Name: Gu ZhilongAddress: Inventor(s) Name: Gu ZhilongPatent Agency Code: 31100Patent Agent: wu menghuaAbstract A method for desalination and purification of deep well water is characterized by that the raw water can be injected into an equipment cylinder mounted in the deep well, and… Read More »

Solid antiscaling compound for oil well

Application Number: 00123350Application Date: 2000.12.04Publication Number: 1297978Publication Date: 2001.06.06Priority Information: International: C09K7/00Applicant(s) Name: Changchun Jieyi Industry Co., Ltd.Address: Inventor(s) Name: Xu Yulun;Zhou Zhijian;Yin ZuoruiPatent Agency Code: 22101Patent Agent: zhao jianhuiAbstract The solid antiscaling compound is produced by mixing SiO2, Na2CO3, sodium tripolyphosphate, potassium hexametaphosphate and potassium sulfate, smelting the mixture in high temperature furnace at… Read More »

Water permeating and accumulating method with channel bottom connected to well

Application Number: 00119133Application Date: 2000.06.24Publication Number: 1310269Publication Date: 2001.08.29Priority Information: International: E02B13/00Applicant(s) Name: Xu CaiAddress: Inventor(s) Name: Xu CaiPatent Agency Code: 00000Patent Agent: Abstract The water permeating and accumulating method utilizes water permeating well pipe to accumulate fresh water. Circular wells of 1.5 m depth and 1.5 m diameter are dug along channel one every… Read More »

Well type liquid cold and hot source system

Application Number: 00123494Application Date: 2000.08.18Publication Number: 1339680Publication Date: 2002.03.13Priority Information: International: F03G7/04;F24F5/00Applicant(s) Name: Xu ShenghengAddress: Inventor(s) Name: Xu ShenghengPatent Agency Code: 11241Patent Agent: zhang huahuiAbstract The well type liquid cold and heat source system includes water well, energy raiser and liquid pumps connected by pipeline. The water wall capable of providing constant temperature water of… Read More »

Gravitational signal method for remotely controlling track in well and its device

Application Number: 00109735Application Date: 2000.07.03Publication Number: 1331376Publication Date: 2002.01.16Priority Information: International: E21B7/04;E21B47/18Applicant(s) Name: Inst of Drilling Well Technology, Academy of Petroleum Exploration and DevelopmeAddress: Inventor(s) Name: Su Yinao;Liu YinghuiPatent Agency Code: 11127Patent Agent: liu fangAbstract A gravitational signal method and device for remotely controlling the track in well is disclosed. The said device is composed… Read More »

Preparation method of resin transferred moulding cross-winding valve well

Application Number: 00108829Application Date: 2000.05.12Publication Number: 1272575Publication Date: 2000.11.08Priority Information: International: E03F5/00Applicant(s) Name: Yue HongjunAddress: Inventor(s) Name: Yue HongjunPatent Agency Code: 13100Patent Agent: cai jianchengAbstract A preparation method of valve well with special-purpose for water supply and sewerage works includes the following procedures of preparing mould arrangement, making well body, making bottom plate, assembling, making… Read More »

Cooler using deep well

Application Number: 00108444Application Date: 2000.05.25Publication Number: 1294285Publication Date: 2001.05.09Priority Information: 1999/10/30 CN 99252609.4International: F24F5/00;F25B1/02Applicant(s) Name: Guo ZiyanAddress: Inventor(s) Name: Guo ZiyanPatent Agency Code: 00000Patent Agent: Abstract A cooler using deep well features that the hot fluid is pumped into heat radiator, which is soaked in a deep well to cool the hot fluid. Its advantage… Read More »

Polymer depositing well flow rate controller

Application Number: 00102551Application Date: 2000.03.01Publication Number: 1299917Publication Date: 2001.06.20Priority Information: International: E21B43/22Applicant(s) Name: Inst. of Oil Exploiting Technology, Daqing Petroleum AdministrationAddress: Inventor(s) Name: Wang Yan;Liang Fumin;Wang FengshanPatent Agency Code: 23115Patent Agent: wang zeyunAbstract The present invention relates to an oil field polymer driven multilayer injection downhole flow control device, which is characterized by that the… Read More »

Full-automatic control equipment for intermittently starting well pumping unit of oil field

Application Number: 00101421Application Date: 2000.01.11Publication Number: 1303987Publication Date: 2001.07.18Priority Information: International: E21B43/12Applicant(s) Name: Xiangfan Taihe electric Co., Ltd.Address: Inventor(s) Name: Luo RenxingPatent Agency Code: 00000Patent Agent: Abstract A full-automatic control equipment for beam pumping unit mainly consists of load sensor, level sensor, linear speed sensor, microcomputer controller, power diagram apparatus, actuating mechanism, variably frequency speed… Read More »

High strength petroleum annular tubes for prodn. of super visous crude thermal prodn. well

Application Number: 00100635Application Date: 2000.01.25Publication Number: 1288071Publication Date: 2001.03.21Priority Information: International: C22C38/22Applicant(s) Name: Tianjin Steel Pipe Corp.Address: Inventor(s) Name: Zou Wenzheng;Hu Bingren;Lu XiaoqingPatent Agency Code: 11019Patent Agent: bai jiajuAbstract A high-strength sleeve tube for the thermally recovering well of ultra thick petroleum contains such Chemical components as C (0.2-0.33 wt.%), Si (0.23-0.34), Mn (0.8-1.2), Cr… Read More »