| 摘要 |
<p>A downhole bidirectional apparatus (100), including a first engagement section (308, 1408); a second engagement section (320, 1420) having a rotary device (102, 104,106); a third engagement section (328, 424); and a rotary source (110) having a first rotary member (204) and a second rotary member (202), the first rotary member (204) disposed about the second rotary member (202), the first rotary member (204) connected to a first gripping member (216, 904) and the second rotary member (202) connected with a second gripping member (222, 908), wherein the rotary device (102, 104, 06) is rotatable in a first rotational direction when the second gripping member (222, 908) is engaged with the third engagement section (328, 424) and the first gripping member (216, 904) is rotatably engaged with the second engagement section (320, 1420), and wherein the rotary device (102, 104, 106) is rotatable in a second rotational direction when the second gripping member (222, 908) is engaged with the second engagement section (320, 1420) and the first gripping member (216, 904) is engaged with the first engagement section (308,1408).</p> |
