Matches 1 - 42 out of 42


Match Document Document Title
US20120285696 Cement Wiper Plug with Size Changing Feature  
Wiper plugs or other shapes are made from shape memory foam in a size large enough to wipe or clean a tubular of a predetermined size. The plug or other shape is then reformed to a smaller...
US20110308786 DIVERTER CUP ASSEMBLY  
A downhole cleaning tool for cleaning a casing is provided with a diverter cup assembly (102) including a housing (126) and a resilient swab cup (105) slidably mounted on a tubular body (120) with...
US20120048560 Debris Interface Control Device for Wellbore Cleaning Tools  
A spacing device is located on a lower end of a debris removal tool. Circulation through the tool extends telescoping members to the top of the debris zone against a bias that retracts the members...
US20090218100 WELLBORE CLEANING  
The invention relates to a wellbore cleaning assembly, wellbore cleaning apparatus comprising a wellbore cleaning assembly, and to a method of cleaning a wellbore. In an embodiment of the...
US20100258298 Slickline Conveyed Tubular Scraper System  
A downhole tubular scraper is run in on slickline with an on board power supply. It features counter-rotating scrapers without an anchor in one embodiment or an anchor with single rotating...
US20080257541 Wellhead isolation tool including an abrasive cleaning ring  
A wellhead isolation tool includes a lower mandrel sized and shaped for insertion through a wellhead into a length of wellbore tubing. The wellhead isolation tool includes an improved sealing...
US20100096122 Wellbore Cleaning Devices  
Non-rotating tubular wellbore cleaning devices are described which include a central tool mandrel with radially surrounding stabilizers and a cleaning member subassembly. A rotational bearing is...
US20100096121 BRUSH FOR A WELL BORE CASING  
A brush for cleaning debris from the inner surface of a well bore casing. The brush includes an inner base ring adapted to fit on a shaft, and at least one bristle assembly engaged around the...
US20100258318 DOWNHOLE SCRAPER  
A downhole tool including a resilient body configured to be disposed on a drill string, the resilient body comprising a plurality of radial blades having an abrasive coating, wherein the radial...
US20100065264 Rotor underreamer, section mill, casing cutter, casing scraper and drill string centralizer  
A down hole well bore apparatus to underream and remove rock or cement or other material, cut or mill casing, clean or scrape casing, or centralize a drill string, which has a rotor which actuates...
US20080145139 Clamp  
A clamp (10) for holding two members (12, 14) together. The first member includes a recess (30) into which a fastener (38) is located. A further access port (42) is provided to the recess to allow...
US20140000900 DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD  
A drill pipe mountable wellbore cleaning tool apparatus is of an improved configuration that enables attachment to a drill pipe joint having first and second connector end portions and a...
US20110315387 SYSTEM AND METHOD FOR CLEANING A BOTTOM-HOLE FORMATION ZONE OF A WELLBORE  
A system for cleaning a bottom-hole formation zone of a wellbore comprises a flow string for extending into the bottom-hole formation zone of the wellbore. A hydrostatic joint is disposed along...
US20070261855 Wellbore cleaning tool system and method of use  
A wellbore cleaning tool system includes a plurality of brushes and scrappers supported by or mounted to a casing body to clean an interior wall of a wellbore. The cleaning tool system includes...
US20120193100 OILFIELD JETTING TOOL  
A downhole jetting tool is provided for cleaning the interior of one or more hydraulic rams (14, 18) and one or more annular blowout preventers (26, 28). A unitary jetting tool body (40) has a...
US20110108278 APPARATUS AND METHOD FOR STRIPPING SOLIDS AND FLUIDS FROM A STRING USED IN DRILLING OR SERVICING WELLS  
An apparatus and method is provided for stripping solids and fluids from a string used in the drilling or servicing of a well when the string is removed from the well. The apparatus can comprise...
US20100000738 CLEANING APPARATUS AND METHODS  
A method for cleaning debris from a wellbore having a top and a bottom comprising inserting cleaning tool comprising a coaxial pipe in the wellbore, pumping fluid through the cleaning tool to...
US20120111557 LANDING SUB FOR A WIPER  
A landing sub for a wiper, the wiper being adapted for internal removal of drilling mud from a drill string during its pull-out from a borehole, wherein the landing sub is mountable in the drill...
US20120006554 METHODS AND DEVICES OF CLEANING SUBSEA STRUCTURES  
A tool for cleaning subsea structures, the tool comprising a frame comprising a stationary frame portion; and a rotating frame portion rotationally connected to the stationary frame portion; and...
US20120118577 WELLBORE CLEANOUT TOOL  
A well tool (100) for use in cleaning a well of fluids and debris characterized by one or more wiper elements (30) for swabbing the wellbore and internal passageways (11, 15) and valves (70, 72)...
US20120298350 Well Cleaning Tool  
A well cleaning tool including a tubular body, a cylindrical sleeve and at least one scratching element. The tubular body includes a threaded lower end for attaching to an end cap, and a plurality...
US20120255724 DOWNHOLE TOOL FOR BOREHOLE CLEANING OR FOR MOVING FLUID IN A BOREHOLE  
The present invention relates to a downhole tool (1) for borehole cleaning or for moving fluid in a borehole. The tool comprises a tool housing (29), a chamber inlet (6) and a chamber outlet (36),...
US20100071909 Devices, Systems and Methods Relating to Down Hole Operations  
A device for improving down hole operations includes a tube that delivers high pressure jets of fluid against the interior surface of a well casing and optionally into perforations of the well...
US20090272524 Method and apparatus for cleaning internal surfaces of downhole casing strings and other tubular goods  
A downhole cleaning assembly and method of cleaning a tubular. Generally, the downhole assembly is connected to a work string concentrically located within a casing string. In one embodiment, the...
US20130153245 MULTI-PURPOSE WELL SERVICING APPARATUS  
Disclosed is an apparatus for cleaning the inner wall of wellbores and for capturing downhole wellbore debris. An elongated, tubular central mandrel is provided with recesses on its outer surface....
US20080185150 Apparatus and Method for Cleaning a Well  
The present invention relates to apparatus and a method for cleaning a well. In an embodiment, the apparatus (10) includes a well cleaning tool (12) coupled to a support string 26, which may be...
US20130192818 DEVICES, SYSTEMS AND METHODS RELATING TO DOWN HOLE OPERATIONS  
Systems and method for improving down hole operations of well casings are disclosed herein. Systems and methods disclosed herein can comprise brushes, high pressure fluid outlets, and skids. Other...
US20100000728 METHODS AND APPARATUS FOR REMOVING DEPOSITS ON COMPONENTS IN A DOWNHOLE TOOL  
Methods and apparatus for removing deposits on components in a downhole tool are described. An example apparatus to remove a deposit on an inner surface of a flowline in a downhole tool includes a...
US20150114665 MILL WITH ADJUSTABLE GAUGE DIAMETER  
Milling tools, systems, and assemblies may have an adjustable gauge diameter. An example mill may include a body with tracks thereon. The tracks may slope in an axial direction and may be...
US20110266000 Movable Well Bore Cleaning Device  
The invention provides a device for cleaning a wellbore, comprising a tubular section, a helical scratcher mounted thereof wherein said helical scratcher contains flexible wires characterized in...
US20130186632 METHODS AND APPARATUSES FOR WIPING SUBTERRANEAN CASINGS  
An object for wiping a subterranean casing is described herein. The object may include an inner core with a first width. The ball may also include a deformable layer surrounding the inner core....
US20150027713 Non-Rotating Wellbore Casing Scraper  
A torque resistant casing scraper for attachment to a drillstring is comprised of a one piece tool body having rotationally unrestrained two-piece blade carriers with hardened diamond-shaped...
US20110265988 Wellbore Cleaning Devices  
A wellbore cleaning device having a unitary tool mandrel surrounded by a retaining sleeve that is rotatable with respect to the mandrel. A locking ring is used to secure the retaining sleeve to...
US20110186287 Cleaning Device  
A cleaning device for use in cleaning wellbores and other tubular members in subterranean fluid production operations. The cleaning device includes a tool mandrel with cleaning components, such as...
US20110168383 Cleaning Device  
A cleaning device for use in subterranean fluid production which includes a tool mandrel and a retaining sleeve surrounding the tool mandrel. One or more C-ring-style support rings are used to...
US20100263875 DRILLING SYSTEMS FOR CLEANING WELLBORES, BITS FOR WELLBORE CLEANING, METHODS OF FORMING SUCH BITS, AND METHODS OF CLEANING WELLBORES USING SUCH BITS  
Wellbore cleaning bits include a bit body, at least one cutting structure on the bit body, and a shank configured to attach the bit body to a drill string. Drilling systems for cleaning wellbores...
US20100181064 Multi-Purpose Well Servicing Apparatus  
Apparatus for cleaning the inner wall of wellbore tubulars, and for capturing downhole debris in the wellbore An elongated, tubular central mandrel has threaded connections on either end for...
US20170074071 DOWNHOLE CLEANING APPARATUS  
A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of...
US20170051577 SYSTEMS AND METHODS FOR MANAGING DEBRIS IN A WELL  
Various systems, methods, and devices are disclosed for handling contaminants in a wellbore or riser. A washpipe debris trap (WPDT) traps contaminants traveling up a wellbore from a downhole...
US20160069142 DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD  
A drill pipe mountable wellbore cleaning tool apparatus is of an improved configuration that enables attachment to a drill pipe joint having first and second connector end portions and a...
US20150322745 Self-Extendable Hydraulic Wellbore Cleaning Tool  
The present disclosure provides techniques for a self-extendable hydraulic wellbore cleaning tool. The cleaning tool includes one or more extending nozzles which eject cleaning fluid onto the...
US20150275625 Clamp-On Drill String Wiper  
A clamp-on wiper that facilitates the cleaning of external surfaces of sections of a drill string or drill pipe to remove earth, drilling mud, and other solid/liquid compounds while the drill...

Matches 1 - 42 out of 42