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US20160084036 |
WELLBORE PACKER BACK-UP RING ASSEMBLY, PACKER AND METHOD
A back-up ring assembly for a wellbore packer that acts as an extrusion limiter for a packing element and engages the wellbore bore, also operating as a slip to anchor the packer in place. A... |
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US20120199339 |
ANNULAR BARRIER
The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole. The annular barrier comprises a tubular... |
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US20120255723 |
DRILLABLE SLIP WITH NON-CONTINUOUS OUTER DIAMETER
A slip for use in the anchoring of a downhole tool in a well casing is provided. The slip's outer diameter is about equal to the inner diameter of the well casing. The slip is positioned about a... |
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US20090242189 |
SWELL PACKER
A swell packer includes a base tubular; a seal member encircling the base tubular, the seal member swelling radially to a seal equilibrium swell upon contact with a particular fluid; and a disc... |
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US20110005779 |
COMPOSITE DOWNHOLE TOOL WITH REDUCED SLIP VOLUME
A single bidirectional slip for a downhole tool reduces the volume of metal and allows an increased drill up speed. A dual sealing element system, with one sealing element above and one below the... |
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US20110056706 |
LONGITUDINALLY SPLIT SWELLABLE PACKER AND METHOD
A swellable packer (10) includes upper and lower end rings (20, 22) and elastomeric bodies (12, 14) spaced between the upper and lower end rings to expand and thereby close off an annulus about... |
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US20110315377 |
Sensors in Swellable Materials
A downhole equipment includes a tubing configured for deployment in a wellbore; and a measurement unit disposed on outside of the tubing, wherein the measurement unit comprises a detector embedded... |
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US20140008085 |
Well Barrier
A well barrier is for sealing off a first portion of a wellbore from a second portion of the wellbore, the first portion having a higher fluid pressure than the second portion. The well barrier is... |
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US20150068728 |
Downhole Tool Having Slip Composed of Composite Ring
A single piece composite slip component is disclosed, making it easier and more feasible for milling up a composite plug after use. Moreover, because the composite slip component is one piece... |
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US20120073830 |
Universal Backup for Swellable Packers
A universal backup member is provided for use on packers and other downhole tools that use members selected for expansion upon exposure to a wellbore fluid. The backup member prevents axial... |
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US20160084025 |
Interlocking, Full-Circumference Packer Slip
A packer assembly constructed of individual slip segments which interlock to permit radial expansion and restrict axial movement. The slip segments are moved outwardly to set the packer by an... |
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US20170122063 |
Sequential Packer Sealing Element and Slip Release Mechanism
A retrievable compression set packer is sequentially released. First the sealing element is allowed to relax. Then the upper slip has wedging action that forces it against a surrounding tubular... |
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US20060213656 |
Rotational set well packer device
A packer apparatus that is set with low friction counter-clockwise rotation, and unset with clockwise rotation. A drain valve is opened concurrently as the packer apparatus is unset and closed as... |
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US20090321067 |
RELEASING SLIPS FOR OIL WELL TOOL
Releasing slips for use with a downhole tool, a tool for deploying downhole in a well utilizing the releasing slips and a well in which a downhole tool is deployed utilizing the releasing slips of... |
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US20070012461 |
Packer tool arrangement with rotating lug
A packer assembly requires only forces applied axially along an actuating means such as production tubing (either pushing down or pulling up) to actuate it between its operational states, such as... |
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US20160265304 |
Anchor Structure and Downhole Plugging Apparatus
An anchor structure is disclosed; the anchor structure is set on a mandrel of a downhole plugging apparatus. The anchor structure comprises (a) a clamping device, (b) a plurality of slips and (c)... |