| 摘要 |
A downhole tool coupling (10) comprises first (11) and second (12) downhole tool elements that are securable one to the other in a releasably locking manner by moving the tool elements from a longitudinally relatively less proximate, especially overlapping position into longitudinally relatively more overlap with one another. The first downhole tool element (11) supports a first inductive, capacitative and/or magnetic energy coupler (23) and the second downhole tool element (12) supports a second inductive, capacitative and/or magnetic energy coupler (24). The first and second energy couplers (23, 24) are movable from an energetically uncoupled position when the tool elements (11, 12) are in the longitudinally relatively less overlapping position to an energetically coupled position when the first and second downhole tool elements (11, 12) overlap relatively more. |
| 主权项 |
1. A downhole logging tool coupling, comprising:
first and second downhole logging tool elements that are securable one to the other in a releasably locking manner by moving the first and second downhole logging tool elements from a longitudinally relatively less proximate downhole position into longitudinally closer downhole positioning relative to one another, wherein the first and second downhole logging tool elements each respectivel include one or more formations that are mutually releasably interengageable in order releasably lockingly to secure the first and second logging tool elements one to the other, the first downhole logging tool element supporting a first energy coupler comprising one or more of an inductive, a capacitative, and a magnetic energy coupler, the second downhole logging tool element supporting a second energy coupler comprising one or more of an inductive, a capacitative, and a magnetic energy coupler, the first and second energy couplers being moveable from an energetically uncoupled downhole position when the first and second downhole logging tool elements are in the longitudinally relatively less proximate position to an energetically coupled downhole position when the first and second downhole logging tool elements are closer to one another, wherein the first and second downhole logging tool elements are coupleable elements of a logging toolstring, and wherein when the first and second energy couplers are energetically coupled, the coupling of the first and second downhole logging tool elements permits transmission of one or more of log data, control command, landing data, and electrical power. |
