Petroleum recovery by thermal backflow,申请号US19670645030-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Petroleum recovery by thermal backflow
摘要
申请公布号	US3409083(A)	申请公布日期	1968.11.05
申请号	US19670645030	申请日期	1967.06.09
申请人	SHELL OIL COMPANY	发明人	PRATS MICHAEL
分类号	E21B43/243	主分类号	E21B43/243
代理机构		代理人
主权项
地址

您可能感兴趣的专利

YARN SPLICING APPARATUS IN FIBER MACHINE

HIGHLY EXTENSIBLE TRICOT KNITED FABRIC

A PROCESS FOR PREPARING A CATALYST CONTAINING 2 TO 20 WEIGHT PERCENT SILVER DEPOSITED ON A SUPPORT FOR THE COMMERCIAL SCALE PRODUCTION OF ETHYLENE OXIDE

PROCESS OF PREPARING HOMOGENEOUS RESIN POLYIODIDE DISINFECTANTS

PROCESS FOR THE PREPARATION OF 2-NITROIMIDAZOLES

A PROCESS FOR THE MANUFACTURE OF STRUCTURALLY REFINED SILUMIN

A DOOR CLOSER HINGE ASSEMBLY

ARTICLE OF JEWELLERY

LOOP WIRE SHAPING MECHANISM

ELECTRICALLY CONNECTING TERMINAL AND METHOD OF PRODUCING SAME

AC SWITCH CIRCUIT

OIL-FILLED POWER AND OPTICAL COMPOSITE CABLE

CHARACTER RECOGNIZING DEVICE

ELECTROPHOTOGRAPHING METHOD

PRINTING DEVICE

OPTICAL FIBER AND MANUFACTURE THEREOF

PRODUCTION OF RAISED ARTIFICIAL LEATHER AND SHORT HAIR TRANSPLANTED FABRIC

AIRBORN FIBER PREVENTING METHOD OF SPUN YARN

METHOD AND APPARATUS FOR CLEANING SHUTTLE OF LOOM

SPINNING PACK EXCHANGING APPARATUS