Rolled tubular centralizer
US-9982496-B2 · May 29, 2018 · US
Pull through centralizer
US8991487B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8991487-B2 |
| Application number | US-201213488122-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 4, 2012 |
| Priority date | Jun 4, 2012 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, and a plurality of bow springs connecting the first body portion to the second body portion, and a plurality of limit collars coupled to the wellbore tubular between the first body portion and the second body portion, where at least one of the plurality of limit collars is configured to engage the first body portion or the second body portion and pull the centralizer in the direction of travel within the wellbore.
First claim
Opening claim text (preview).
What is claimed is: 1. A centralizer system comprising: a centralizer disposed about a wellbore tubular, wherein the centralizer comprises; a first body portion, a second body portion, and a plurality of bow springs connecting the first body portion to the second body portion; and a plurality of limit collars coupled to the wellbore tubular between the first body portion and the second body portion, wherein at least one of the plurality of limit collars comprises a plural…
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- E21B17/1028Primary
Fixed Constructions · mapped topic
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- What does patent US8991487B2 cover?
- A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, and a plurality of bow springs connecting the first body portion to the second body portion, and a plurality of limit collars coupled to the wellbore tubular between the first body portion and the second body portion, where at least one…
- Who is the assignee on this patent?
- Levie William Iain Elder, Roger Gregory Paul, Sweep Miles Norman, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification E21B17/1028. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Mar 31 2015 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).