| 摘要 |
<p>Apparatus and method for accurately logging a drill-stem test tool into plac e as the DST tool is conveyed by drill pipe or tubing to the desired location are provided. One aspect of the invention provides an apparatus for logging into place a drill stem test tool, comprising: a drill string (120) comprisi ng drill pipes or tubings (122); a drill stem test tool (128) disposed on the drill string; an electromagnetic telemetry tool (124) disposed on the drill string; and a gamma ray tool (250) connected to the electromagnetic telemetr y tool. Another aspect of the invention provides a method for logging into pla ce a drill stem test tool disposed on a drill string, comprising: lowering a drill stem test tool (128), an electromagnetic telemetry tool (124) and a gamma ray tool (250) disposed on a drill string into a wellbore; producing a partial log utilising the gamma ray tool while the drill stem test tool is moved adjacent a correlative formation marker; compare the partial log to a well log to determine a depth position adjustment; and adjust a position of the drill stem test tool according to the depth position adjustment.</p> |
