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Class 166/285 - Cementing, plugging or consolidating


Subclass of Class 166 - Wells
Definition: A process comprising (1) causing fluent material to flow
No. of patents: 592
Last issue date: 04/24/2012


1                      
NumberTitleIssue Date
8162054Methods and apparatuses for releasing a chemical into a well bore upon command
One apparatus for releasing a chemical in a well bore includes a casing collar configured to couple to a casing string. A chemical container is disposed within the casing collar, and the casing collar is configured to release the chemical from the chemical reservoir...
04/24/2012
8162055Methods of activating compositions in subterranean zones
The present disclosure is directed to a system and method for managing cement in a subterranean zone. In some implementations, a method of cementing in a subterranean formation includes positioning a cement slurry including a plurality of activation devices in a wel...
04/24/2012
8127846Wiper plug perforating system
A method and system for cementing and perforating a wellbore in a single step by coupling a perforating gun with a wiper plug. The method includes injecting cement in a wellbore having casing therein and an annulus between the casing and wellbore. A wiper plug is dr...
03/06/2012
8096357Casing make-up and running tool adapted for fluid and cement control
The apparatus of the present invention provides a top drive supported tool for making up and running casing strings into a borehole. The tool comprises a fill-up and circulation assembly and a launcher assembly that is adapted to cooperate with a connectable cement ...
01/17/2012
8091640Method and device for cementing a well or a pipe
Introducing within a well or pipe a mandrel equipped with an inflatable membrane which can expand radially under the effect of an internal pressure. Positioning the mandrel opposite the portion to be treated, in introducing a pressurized fluid within the membrane su...
01/10/2012
8079416Plug for a perforated liner and method of using same
A plug for insertion into a perforation in a liner or tubular. The plug comprises a base portion and one or more extendible portions. The base portion is securable to and receivable within the perforation. The base portion and the one or more extendible portions sea...
12/20/2011
8074715Methods of setting particulate plugs in horizontal well bores using low-rate slurries
Methods for setting particulate plugs in at least partially horizontal sections of well bores are disclosed. In one embodiment, a method comprises the step of selecting a deposition location for a particulate plug within the at least partially horizontal section of ...
12/13/2011
RE42877Methods and apparatus for wellbore construction and completion
The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow pat...
11/01/2011
8033331Cement diffuser for annulus cementing
A cement diffuser and method for allowing a ported tubular to be cemented in place, while keeping an annulus about a port of the ported tubular generally free of set cement. The cement diffuser includes a collection of fibers secured over the port and extending out ...
10/11/2011
7963331Method and apparatus for isolating a jet forming aperture in a well bore servicing tool
An embodiment of a well bore servicing apparatus includes a housing having a through bore and at least one high pressure fluid aperture in the housing, the fluid aperture being in fluid communication with the through bore to provide a high pressure fluid stream to t...
06/21/2011
7950456Casing deformation and control for inclusion propagation
Casing deformation and control for inclusion propagation in earth formations. A method of forming at least one inclusion in a subterranean formation includes the steps of: installing a liner within a casing section in a wellbore intersecting the formation; and expan...
05/31/2011
7938186Casing shoes and methods of reverse-circulation cementing of casing
A method having the following steps: running a circulation valve comprising a reactive material into the well bore on the casing; reverse-circulating an activator material in the well bore until the activator material contacts the reactive material of the circulatio...
05/10/2011
7874361Methods and devices for forming a wellbore with casing
A method for cementing a tubular in a wellbore in a subterranean formation, according to one or more aspects of the present disclosure, comprises connecting a circulating tool to a slip and a top drive; gripping a first tubular with the slip above the surface of the...
01/25/2011
7866391Shoe for wellbore lining tubing
This invention relates to a shoe for wellbore lining tubing and to a method of locating wellbore lining tubing in a wellbore. In one embodiment, a shoe (30) is disclosed which includes a tubular outer body (32) that is coupled to a wellbore lining tubi...
01/11/2011
7866390Casing make-up and running tool adapted for fluid and cement control
The apparatus of the present invention provides a top drive supported tool for making up and running casing strings into a borehole. The tool comprises a fill-up and circulation assembly and a launcher assembly that is adapted to cooperate with a connectable cement ...
01/11/2011
7798226Cement diffuser for annulus cementing
A cement diffuser and method for allowing a ported tubular to be cemented in place, while keeping an annulus about a port of the ported tubular generally free of set cement. The cement diffuser includes a collection of fibers secured over the port and extending out ...
09/21/2010
7798225Apparatus and methods for creation of down hole annular barrier
Methods and apparatus are provided for performing an expedited shoe test using an expandable casing portion as an annular fluid barrier. Further provided are methods and apparatus for successfully recovering from a failed expansion so that a shoe test can be complet...
09/21/2010
7789148Method and apparatus for consolidating a wellbore
Methods and tools to consolidate a wellbore by displacing conventional cement slurry or any other settable fluid, without any permanent casing are useful. A bladder is inflated inside the bore to act as a mold and to form an annulus that can be filled by cement slur...
09/07/2010
7757764Method for drilling and casing a wellbore with a pump down cement float
A cement float collar can be positioned downhole and used in a wellbore completion operation after drilling a wellbore with casing. The cement float collar is made for pumping downhole and into engagement with a groove formed in the casing, called the profile nipple...
07/20/2010
7748453Servicing a wellbore with wellbore fluids comprising perlite
Wellbore fluids comprising an expanded and ground perlite and methods of using the same are disclosed. In one embodiment, the methods include a method of cementing comprising preparing or placing a cement composition comprising cement, water, and an expanded and gro...
07/06/2010
7743829Cement flow control tool
An apparatus for controlling the flow of fluid into a borehole through a conduit has a decelerating means adapted to be positioned within the conduit. The fluid could typically comprise drilling mud and/or cement, and in some embodiments, some of the cement can exit...
06/29/2010
7740067Method to control the physical interface between two or more fluids
A method of servicing a wellbore comprising preparing a liquid plug, allowing the liquid plug to polymerize into a highly deformable elastic plug, and placing the highly deformable elastic plug into a wellbore. A method of servicing a wellbore comprising preparing a...
06/22/2010
7717179Method and apparatus to set a plug
The invention provides an apparatus to be lowered in a borehole, comprising: (i) a delivery section for delivering a plugging fluid; (ii) a setting section comprising a longitudinal element and a flexible and permeable sleeve into which the plugging fluid is deliver...
05/18/2010
7708070Shaft plugging system
A shaft plug for a mine shaft, the shaft plug comprising an inflatable bladder adapted to be inflated by pressurised gas, the bladder being adapted to be positioned within a shaft prior to inflation and to be inflated to contact the walls of the shaft to thereby sea...
05/04/2010
7703524Cutting windows for lateral wellbore drilling
A system and method for cutting windows for lateral wellbore drilling. A method of cutting a window through a sidewall structure for drilling a lateral wellbore through the window includes the steps of: providing an internal profile in the sidewall structure; then i...
04/27/2010
7703523Apparatus and method for use in a well bore
Apparatus for use above and below a restriction in a well bore and a method of operation is described. The apparatus comprises an upper element, such as a wiper, operable in the well bore above the restriction and a lower element, which may be a lower wiper, operabl...
04/27/2010
7635026Methods and devices for forming a wellbore with casing
An example of a method for cementing a casing within an earthen formation includes the steps of providing a gripping mechanism connected to a cementing assembly and a top drive; gripping the casing with the gripping mechanism; sealingly engaging the casing with a se...
12/22/2009
7614451Method for constructing and treating subterranean formations
A method for servicing a well comprises providing at least one trailer, providing at least one towing vehicle, providing servicing equipment, supporting the equipment with the trailer, and moving the towing vehicle, so as to move the trailer along with the equipment...
11/10/2009
7597146Methods and apparatus for completion of well bores
Methods and devices for completion of well bores and more particularly, to reverse circulation cementing of casing strings in well bores are provided. One example of a method may comprise a method for providing fluidic access to an outer annulus of a casing string w...
10/06/2009
7552772Locating recess in a shoe for expandable liner system
An apparatus to protect the mounting area of casing when subsequently attaching a tubular is disclosed. A sleeve that defines a sealed cavity having a loose incompressible material inside covers the mounting location on the casing. The cementing of the casing takes ...
06/30/2009
7520328Completion apparatus and methods for use in hydrocarbon wells
The present invention provides a cement shoe assembly for use on a string of tubulars in a well. In one aspect of the invention, the cement shoe assembly includes a housing having a lower portion with an enlarged inside diameter and a drillable cement shoe disposed ...
04/21/2009
7490668Method for designing and constructing a well with enhanced durability
Methods for performing cementing operations in a wellbore, designing wells and constructing wells are illustrated. The methods include applying pressure to the interior of casing in the wellbore during curing of a cement composition in the annulus. Wells constructed...
02/17/2009
7487831Downhole surge pressure reduction and filtering apparatus
The present invention provides a downhole cementing apparatus run into a borehole on a tubular. The apparatus is constructed on the pipe in such a way that pressure surge during run-in is reduced by allowing fluid to enter the pipe and utilize the fluid pathway of t...
02/10/2009
7464758Model HCCV hydrostatic closed circulation valve
Devices and methods for methods for cleaning of excess cement from a production assembly as well as from the annulus surrounding the production assembly. A hydrostatic closed circulation valve (HCCV) assembly is described that is primarily actuatable between open an...
12/16/2008
7464757Method for continuously batch mixing a cement slurry
A method for continuously batch mixing a homogenized cement slurry is provided that includes providing first and second mix tubs which each perform a process which include: receiving a measured quantity of solid and liquid constituents of a cement mixture; mixing th...
12/16/2008
7438133Apparatus and method for radially expanding and plastically deforming a tubular member
An apparatus for radially expanding and plastically deforming a tubular member that includes a valve assembly for permitting the injection of a hardenable fluidic sealing material into an annulus between the tubular member and a preexisting structure. ...
10/21/2008
7428927Cement float and method for drilling and casing a wellbore with a pump down cement float
A cement float collar is made for pumping downhole and into engagement with a groove formed in the casing, called the profile nipple. As such, no restriction is needed in the casing for accepting or latching the float collar and the portion of casing including the g...
09/30/2008
7428928Sealing spring mechanism for a subterranean well
A technique includes deploying a spring downhole, energizing the spring and using the energized spring to form an annular barrier in the well. The spring may be energized prior to being run downhole or after being run downhole, depending on the particular embodiment...
09/30/2008
7422060Methods and apparatus for completing a well
Methods and tools are described to reduce sanding including the steps of fracturing the cement sheath in a localized zone around the casing and having the fractured zone act as sand filter between the formation and openings in the casing, with the openings being bes...
09/09/2008
7409990Downhole mixing of encapsulated plug components for abandoning a well
A two part encapsulated cementing system is mixed downhole in a method of plugging an abandoned well. Using this two part system, one of the components is first placed in the well at the desired plugging depth. Next, the other component is placed in the well above t...
08/12/2008
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