Autonomous through-tubular downhole shuttle
AssigneeChina Petroleum & Chemical Corporation
InventorsJinhai ZHAO, Sheng ZHAN, Jun HAN
Life of this patent
Estimating the term…
Abstract
An apparatus for traveling between an earth surface and a wellbore in an earth formation contains an instrument sub, a thruster for generating a motive force, and a power source that provides power to the instrument sub and the thruster. The instrument sub contains well logging instruments. The instrument sub, the thruster, and the power source are connected to form or are disposed in a substantially tubular body. The apparatus further contains a buoyance-generating device.
Claims18
An apparatus for traveling between an earth surface and a wellbore in an earth formation via a drill string, comprising:
- an instrument sub;
- a thruster for generating a motive force;
- and
- a power source that provides power to the instrument sub and the thruster,
- wherein the instrument sub, the thruster, and the power source are connected to form or are disposed in a substantially tubular body.
Dependencies are inferred from the claim text.