发明名称 LOCATING SYSTEM
摘要 <p>LOCATING SYSTEM Disclosed is a system for locating well equipment at preselected locations within a well's tubing string. Positioned within the tubing string are a plurality of series of locating nipples. A locating tool runs through the tubing string. The locating tool may pass through at least one entire series of locating nipples without engaging any one nipple and subsequently engage a selected locating nipple in another series of locating nipples. This abstract is neither intended to define the scope of the invention, which of course, is measured by the claims, nor is it intended to be limiting in any way.</p>
申请公布号 CA1086639(A) 申请公布日期 1980.09.30
申请号 CA19780300209 申请日期 1978.03.31
申请人 OTIS ENGINEERING CORPORATION 发明人 LONG, OLEN R.
分类号 E21B23/02;E21B23/10;(IPC1-7):21B33/129 主分类号 E21B23/02
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