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Match Document Document Title
9027658 System and method for casing hanger running  
In certain embodiments, a hanger running tool includes an inner sleeve and an outer sleeve. The inner sleeve has a first mating surface configured to engage a second mating surface of a hanger to...
9004195 Apparatus and method for drilling a wellbore, setting a liner and cementing the wellbore during a single trip  
A method of forming a wellbore is disclosed. An inner string and an outer string are conveyed downhole. The inner string is attached to the outer string at a first location and the wellbore is...
9004183 Drop in completion method  
A string is equipped with a braking device to regulate its speed into the wellbore through an existing tubular. When the targeted amount of overlap with an existing tubular is accomplished the two...
8997857 System and method for anchoring an expandable tubular to a borehole wall  
The present invention provides a system for anchoring an expandable tubular to a borehole wall. The system comprises a support member having a first end fixed relative to the outside of the...
8997882 Stage tool  
The present invention generally relates to a stage tool. In one aspect, a downhole tool for use in a wellbore is provided. The tool includes a body having a bore. The tool further includes a seal...
8997856 System and method for anchoring an expandable tubular to a borehole wall  
The present invention provides a system for anchoring an expandable tubular to a borehole wall. The system comprises a support member having a first end fixed relative to the outside of the...
8997858 Liner hanger/packer apparatus with pressure balance feature on anchor slips to facilitate removal  
A liner hanger/packer apparatus operates by sequential expansion of a slip ring and then a sealing element. The hanger slips are set by pressure on a seated ball actuating anchor slips to grip...
8973654 System and method for anchoring an expandable tubular to a borehole wall  
A system for anchoring an expandable tubular to a borehole wall comprises a support member having a first end fixed relative to the outside of the tubular and a second end comprising a ramping...
8910709 Expandable liner tieback connection  
A method of connecting a first tubular member to a second tubular member located in a wellbore, the second tubular member including an upper end portion which has a greater diameter than the...
8893807 Remote subterranean tool activation system  
An actuation tool uses a lock that when released allows a moving magnet to move into position to repel another magnet. The repelling force on the second magnet moves it away from a locking...
8851167 Mechanical liner drilling cementing system  
A packer setting tool sets a liner top packer by mechanical rotation of the running tool and set down weight following cementing of a liner. The packer setting tool includes a tubular release body...
8844623 Method and system for one-trip hanger installation  
There is provided a system and method for installing a wellhead component in a single trip. Generally, a wellhead component may be run into a wellhead using a running tool. The running tool may...
8826987 Low equivalent circulation density setting tool  
A downhole oilfield tool assembly comprises a mandrel, a ball valve oriented to block downwards flow through the mandrel in a closed position, a first piston located above the ball valve and at...
8820419 Washover tieback method  
A tieback receptacle is configured with an exterior cone and externals seals with a clearance space to accept a tieback shoe that will wash over the receptacle and expand when landed and advanced...
8794312 Hydraulically set resettable liner hanger  
A liner hanger is locked for run in to prevent accidental setting using a trapped collet assembly. The liner is internally pressurized to push a ring from which the collet extends. The collet...
8789588 Multi-position weight down locating tool  
A weight down system comprises a wellbore comprising a plurality of restrictions, and a weight down tool. The weight down tool comprises a central mandrel configured to be coupled to a wellbore...
8783367 Lateral liner tie back system and method  
A lateral liner tie back system and method includes a base sub having a tapered upper end surface. The base sub may be positioned in a main bore at a window to a lateral bore. The tapered upper...
8783368 Well tool with shearable collet  
A running tool for well drilling operations is carried by a running string into and out of a wellbore. A collet is carried by the running tool, the collet having fingers with a radially expanded...
8783343 Tools and methods for hanging and/or expanding liner strings  
Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed...
8752634 Segmented seal ring and support of same  
A locking assembly for seals within inner and outer members. The locking assembly includes a segmented tube with an inner surface that is segmented into a plurality of pieces cut in radial or...
8733456 Apparatus and methods for multi-layer wellbore construction  
A monobore wellbore apparatus and method of construction. The apparatus includes a series of overlapping expandable liner sections. The overlapping liner sections may be expanded and pressed to...
8733474 Flow control diverter valve  
A method of drilling a well and installing a liner includes assembling concentric inner and outer strings of tubulars. A drill bit is located at the lower end of the inner string and a liner with...
8701786 Positionless expanding lock ring for subsea annulus seals for lockdown  
Wellhead assemblies, seal assemblies, and methods of locking down an annulus seal disposed within an annulus between outer and inner wellhead members, are provided. A seal assembly is positioned...
8695693 Wellhead component coupling system and method  
In one embodiment, the wellhead system includes first and second wellhead components or members. An exemplary first wellhead member includes an internal bore and a first groove, while an exemplary...
8695698 Expansion system for expandable tubulars  
Methods and apparatus for radially expanding and plastically deforming an expandable tubular include a resilient launcher. The resilient launcher includes a launcher portion and a sleeve portion....
8695700 Seal with enhanced nose ring  
A seal assembly between a wellhead housing having a bore and a casing hanger, has an inner seal leg for sealing against hanger and an outer seal leg for sealing against housing. An extension...
8695699 Downhole release joint with radially expandable member  
An apparatus comprises an expansion device that is coupled to a support member and operable to be disposed within a tubular member. The expansion device is operable to radially expand the tubular...
8684096 Anchor assembly and method of installing anchors  
Anchor assemblies for installation within an existing conduit. The anchor assemblies have a nondeformable mandrel, an expandable metal sleeve, and a swage. The expandable metal sleeve is carried...
8678083 Expandable liner hanger with helically shaped slips  
A liner hanger uses a spirally shaped slip member that makes at least one revolution about the mandrel being expanded. The slip member is disposed in a groove with tapered end walls that approach...
8662164 Setting tool  
A downhole setting tool comprises a tool housing and a hollow mandrel, the mandrel being situated in the housing. The tool further comprises a piston situated between the mandrel and the tool...
8651182 Dog with skirt to transfer housing loads in a subterranean tool  
A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the...
8627884 Setting tool for expandable liner hanger and associated methods  
A setting tool for an expandable liner hanger. A method includes the steps of: releasably securing the setting tool to the hanger, the setting tool including an expansion cone for displacing...
8613324 Single trip positive lock adjustable hanger landing shoulder device  
A system, in certain embodiments, includes a landing assembly. The landing assembly includes a top ring. The landing assembly also includes a bottom ring disposed axially below the top ring. A...
8607860 Flexible collet anchor assembly with compressive load transfer feature  
A collet assembly has a housing and the collets disposed on flexible fingers connected to the housing at their opposed ends. A surrounding landing sleeve stops the assembly so that collets are...
8596370 Annular seal for expanded pipe with one way flow feature  
The seal has a base ring that expands with the underlying supporting tubular. Extending from the base ring is a pleated structure with segments folded over each other so that the run in shape is...
8596347 Drillable slip with buttons and cast iron wickers  
A slip for use in the anchoring of a downhole tool in the well casing wherein the anchors include a plurality of buttons and at least one wicker. The slip is positioned about a mandrel and...
8567515 Tools and methods for hanging and/or expanding liner strings  
Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed...
8567493 Tubing hanger running tool with integrated landing features  
A system includes a tubing hanger running tool (THRT) configured to position a tubing hanger within a wellhead. The THRT includes an integrated pressure equalization system including a tube having...
8561690 Expansion cone assembly for setting a liner hanger in a wellbore casing  
An expansion cone assembly (200) for setting a liner hanger. The expansion cone assembly (200) includes a cone mandrel (202) having an outer frustoconical surface (220), a lead cone (206) slidably...
8561709 Liner top packer seal assembly and method  
Disclosed herein is a method of sealing a liner top packer to a tubular. The method includes, positioning the liner top packer within a tubular and moving a sleeve of the liner top packer in a...
8555988 Low equivalent circulation density setting tool  
A downhole oilfield tool assembly is provided. The tool assembly comprises a mandrel, a valve oriented to block downwards flow through the mandrel in a closed position, a first piston located...
8534368 Downhole tool with slip releasing mechanism  
A downhole tool includes a lock for maintaining a slip in a reduced diameter position when running the tool in the well, and selectively releases the slip to move radially outward to a set...
8528650 Mandrel casing hanger and running tool system  
A method for rotating a casing string in a borehole and a mandrel casing hanger and running tool system, include a selectively engageable connection between a mandrel casing hanger and a running...
8522884 Landing system for well casing  
The method of installing a plurality of casing sections in a well, that includes providing a hanger supporting the casing sections to extend longitudinally in the well, landing the hanger on...
8517115 Setting tool  
A downhole setting tool is provided. The tool comprises a tool housing and a hollow mandrel, the mandrel being situated in the housing. The tool further comprises a piston situated between the...
8511376 Downhole C-ring slip assembly  
A slip assembly (60) for securing a tool in a well includes an upper and a lower c-ring slip body (12, 14) each including an outer gripping surface (16, 18) and inner gripping surface (20, 22). An...
8479843 System for drilling a wellbore  
A system for drilling a wellbore into an earth formation comprises an expandable tubular element extending into the wellbore, wherein a lower end portion of the wall of the tubular element extends...
8453728 Apparatus and method for depth referencing downhole tubular strings  
An apparatus (100) for depth referencing tubular strings in a wellbore. The apparatus (100) includes a depth reference coupling (102) having a profile (112) that is positioned in a first tubular...
8434561 Controlled hydrostatic pressure completion system  
A method of drilling and completing a well can include drilling a section of a wellbore, positioning a perforated shroud in the section of the wellbore, securing the perforated shroud by setting a...
8408291 Engaging device  
An engaging device includes a body selectively slidably engagable about a first tubular runnable within a second tubular. The body is runnable past at least one profile on the second tubular in a...

Matches 1 - 50 out of 432 1 2 3 4 5 6 7 8 9 >