Wireline roller standoff
AssigneeImpact Selector, Inc.
InventorJason Allen Hradecky
Life of this patent
Estimating the term…
Abstract
Apparatus comprising a gripper operable to grip a cable extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations. A body is assembled to the gripper. A plurality of rolling elements are each rotatably coupled to the body and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body is translated along the wellbore. The body and the plurality of rolling elements collectively rotate relative to the gripper and, thus, the cable.
Claims20
An apparatus, comprising:
- a gripper operable to grip a cable extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations;
- a body assembled to the gripper;
- and
- a plurality of rolling elements each rotatably coupled to the body and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body is translated along the wellbore;
- wherein the body and the plurality of rolling elements collectively rotate relative to the gripper and, thus, the cable.
A method, comprising:
- conveying a downhole tool via a cable to a first depth within a wellbore;
- then coupling a standoff to the cable, wherein the standoff comprises a gripper, a body, and a plurality of rolling elements each rotatably coupled to the body, and wherein coupling the standoff to the cable comprises:
- coupling the gripper to the cable;
- and
- then assembling the body to the gripper;
- and
- then rotating at least one of the plurality of rolling elements relative to the body, and rotating the body relative to the gripper and the cable, by further conveying the downhole tool via the cable to a second depth within the wellbore.
A kit, comprising:
- a gripper operable for assembly to a cable extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations;
- and
- a body operable for assembly to the gripper after the gripper is assembled to the cable, wherein the body comprises a plurality of rolling elements each rotatably coupled to the body and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body is translated along the wellbore;
- wherein, after the body is assembled to the gripper, the body and the plurality of rolling elements collectively rotate relative to the gripper and, thus, the cable.
Dependencies are inferred from the claim text.