Matches 1 - 19 out of 19


Match Document Document Title
US20090090508 Liner Drilling Method and Liner Hanger  
An installation system for installing a liner in a well includes drilling while simultaneously running the liner. A string of drill pipe with a bottom hole assembly including a drill bit on a...
US20120261127 SLIDING STAGE CEMENTING TOOL AND METHOD  
A downhole tool provided within a casing string for use in cement staging operations. The tool includes a sleeve in the tool that selectively slides downward under pressure to expose ports formed...
US20140034310 MULTI-ZONE CEMENTED FRACTURING SYSTEM  
A method of cementing a liner string into a wellbore includes deploying a liner string into a wellbore; pumping cement slurry into a workstring; and pumping a dart through the workstring, thereby...
US20130112410 Subsurface Release Cementing Plug  
A subsurface release plug release apparatus comprising a mandrel comprising a bottom plug portion, a top plug portion, a work string attachment portion, a first release portion between the bottom...
US20150027706 Electronically-Actuated Cementing Port Collar  
A cementing port collar has an opening sleeve biased from a closed position to an opened position relative to the collar's exit port, and a first restraint temporarily holds the opening sleeve...
US20100051276 Stage cementing tool  
A stage cementing tool for use in cementing a casing in the well is disclosed. The stage cementing tool includes a housing with a mechanically set packer to seal against the well. A hydraulically...
US20080251249 Safety cement plug launch system  
A system and method for using a pneumatic line to automate the launch a cement plug from a cement head. The pneumatic line is in communication with the valves and retaining devices normally found...
US20120138298 METHODS 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...
US20080223577 FOAM DELIVERY SYSTEM  
A foam delivery system comprises two delivery tubes providing a mixing chamber with a two-part polymeric foam. The mixing chamber mixes the two-part polymeric foam below a ground surface. A...
US20080190613 METHODS FOR ACTUATING A DOWNHOLE TOOL  
A method of servicing a well bore comprising positioning a launching apparatus at a location remote from a work string, routing a first mechanical plug through the work string and a tubular,...
US20150021026 Zone Select Stage Tool System  
A stage tool operable with a plug is used for cementing a tubing string in a wellbore annulus. The tool can have a housing with a closure sleeve movably disposed in the internal bore of the...
US20120247767 STAGE TOOL FOR WELLBORE CEMENTING  
A stage tool for wellbore annular cementing includes: a main body including a tubular wall with an outer surface and a longitudinal bore extending from a top end to a bottom end, the tubular wall...
US20150184489 TOE SLEEVE ISOLATION SYSTEM FOR CEMENTED CASING IN BOREHOLE  
An apparatus deploys on a casing and has a toe with first and second ports for communicating with a wellbore. A packing element between the ports is actuatable to isolate portions of the wellbore....
US20150167422 SYSTEM AND METHOD FOR EXTRACTING ENERGY  
A method and apparatus for efficiently extracting geothermal energy from a subterranean thermal reservoir through a wellbore where the heat exchange fluid is introduced at a slower velocity than...
US20170114608 ZONE ISOLATION CEMENTING SYSTEM AND METHOD  
A zone isolation cementing system includes a tubular having a longitudinal axis and a first flow-controlled port, a first conduit having a first end and a second end, the first end fluidically...
US20160333659 Method of Placing Cement Sealing Rings at Predetermined Annular Locations around a Tubular String  
A method of providing cement isolators in an annular space about a tubular string in open hole uses a straddle tool that sequentially engages profiles in the tubular string so that prepositioned...
US20160102526 STAGE TOOL  
A method of closing a stage tool in a wellbore includes releasing a closing tube into the wellbore; attaching the closing tube to the stage tool; and expanding the closing tube, thereby closing a...
US20150330181 SURGE IMMUNE STAGE SYSTEM FOR WELLBORE TUBULAR CEMENTATION  
A method for cementing a tubular string into a wellbore includes: running the tubular string into the wellbore using a workstring having a deployment assembly; delivering an opener activator...
US20110220356 MULTIPLE STAGE CEMENTING TOOL WITH EXPANDABLE SEALING ELEMENT  
A cementing tool for cementing a casing in a well has an inner mandrel that defines a central flow passage and has at least one fluid port defined through a wall thereof. An outer mandrel is...

Matches 1 - 19 out of 19