Downhole tool using a locking clutch
US-2015376950-A1 · Dec 31, 2015 · US
Mud motor
US9523239B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9523239-B2 |
| Application number | US-201414326027-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 8, 2014 |
| Priority date | Dec 12, 2013 |
| Publication date | Dec 20, 2016 |
| Grant date | Dec 20, 2016 |
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- Title
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Abstract
Official abstract text for this publication.
This application is directed to a pressure balanced mud motor and a method of using the mud motor. The mud motor includes a power section to rotate a passageway housing and propel fluid through a passageway disposed in the passageway housing. The mud motor also includes a roller bearing assembly to better handle the operational conditions and stresses involved with the use of a mud motor downhole.
First claim
Opening claim text (preview).
What is claimed is: 1. A mud motor, the mud motor comprising: a roller bearing, the roller bearing comprising: a roller cage having an inner ring, a plurality of extension elements extending therefrom and an outer edge, each pair of adjacent extension elements cooperating to form a plurality of bearing seats; a plurality of rollers disposed in each bearing seat; and a retaining ring disposed around the outer edge of the roller cage to maintain the rollers in the bearing seats…
Assignees
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Classifications
Mechanical Engineering · mapped topic
Fixed Constructions · mapped topic
Mechanical Engineering · mapped topic
Fixed Constructions · mapped topic
- E21B4/02Primary
Fixed Constructions · mapped topic
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Frequently asked questions
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- What does patent US9523239B2 cover?
- This application is directed to a pressure balanced mud motor and a method of using the mud motor. The mud motor includes a power section to rotate a passageway housing and propel fluid through a passageway disposed in the passageway housing. The mud motor also includes a roller bearing assembly to better handle the operational conditions and stresses involved with the use of a mud motor downhole.
- Who is the assignee on this patent?
- Watson Brock, Kliewer Gregory, Schultz Roger L, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification E21B4/02. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Dec 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).