Matches 1 - 50 out of 131 1 2 3 >


Match Document Document Title
US20100181078 Mobile Coiled Tubing Straightening Tool  
A handheld tool for straightening coiled tubing in a continuous manner. The tool is configured to straighten coiled tubing that has undergone plastifying deformation, for example, during winding...
US20130081801 Methods for Improving Coatings on Downhole Tools  
The present invention relates to the use of degradable coatings suitable for use on downhole tools. In particular, the present invention relates to pliable coatings for use on downhole tools that...
US20110240282 WELL ASSEMBLY WITH RECESSES FACILITATING BRANCH WELLBORE CREATION  
Assemblies that can be disposed in a subterranean bore are described. An assembly can include a recessed portion in an inner wall and another recessed portion in an outer wall. The recessed...
US20120211224 Wireless downhole tool positioning system  
A string of drill pipe, for example, is assembled with a severing sub in anticipation of a possible need to cut the string at some point in the operation. The severing sub includes a thin wall...
US20150047831 STAINLESS STEEL FOR OIL WELLS AND STAINLESS STEEL PIPE FOR OIL WELLS  
A stainless steel for oil wells which has excellent high-temperature corrosion resistance and can stably obtain a strength of not less than 758 MPa is provided. The stainless steel for oil wells...
US20140224510 Casing Window Assembly  
A casing window assembly and methods for installing the casing window assembly.
US20150068760 Multi-layered Wellbore Completion for Methane Hydrate Production  
In a completion for producing methane the bottom hole assembly has a base pipe with porous media surrounding it for equalizing flow along the base pipe. A shape memory polymer foam surrounds the...
US20140102720 Permeability Modification  
Downhole apparatus comprises a base pipe and a plurality of non-concentric pressure deformable chambers mounted externally on the pipe. The chambers may be inflated to increase the diameter of the...
US20140060801 Preload and Centralizing Device for Milling Subterranean Barrier Valves  
A device is associated with a downhole tool to control the weight that can be set down on the tool while the tool is operating. A shroud is secured to the string that supports the tool with...
US20140291032 PROCESS FOR THE PRODUCTION OF A PIPE LINED WITH AN INLINER  
A process for the production of a pipe comprising: an interior surface having a shape; and a thermoplastic inliner is provided. The process comprises: introducing the thermoplastic inliner into...
US20140345877 SELECTIVELY DEGRADABLE PASSAGE RESTRICTION  
An actuation system and method, the system including a tubular having a passage, and an assembly disposed with the tubular. The assembly includes a degradable restriction, the restriction only...
US20150047857 COMBINED CASING SYSTEM AND METHOD  
The invention relates to a method for drilling and casing a wellbore using a drilling rig having a predetermined load capacity, using a casing scheme comprising two or more casing strings, and at...
US20140000884 PETROLEUM RECOVERY PROCESS AND SYSTEM  
A system and process are provided for recovering petroleum from a formation. An oil recovery formulation comprising at least 75 mol % dimethyl sulfide that is first contact miscible with a liquid...
US20140000883 PETROLEUM RECOVERY PROCESS AND SYSTEM  
A system and process are provided for recovering petroleum from a formation. An oil recovery formulation comprising at least 75 vol. % dimethyl sulfide is introduced into a subterranean petroleum...
US20110120701 Stress Relief in a Pocket of a Downhole Tool String Component  
A downhole tool string component has a tubular body with an inner and outer diameter. A pocket is formed in the outer diameter and is adapted to receive downhole instrumentation. A covering is...
US20080202742 Open Cavity in a Pocket of a Downhole Tool String Component  
A downhole tool string component, having a tubular body with an inner and outer diameter. A pocket is formed in the outer diameter and is adapted to receive downhole instrumentation. A covering is...
US20140262331 PLUG AND PERFORATE USING CASING PROFILES  
In order to overcome the need to remove each fracturing plug after a plug and perforate operation it is desirable to utilize a profile latch in conjunction with a coupling profile. By having a...
US20140000886 PETROLEUM RECOVERY PROCESS AND SYSTEM  
A system and process are provided for recovering petroleum from a formation. An oil recovery formulation comprising at least 75 mol % dimethyl sulfide that is first contact miscible with a liquid...
US20060124308 Downhole oilfield tubulars  
The installation and use of abrasion and corrosion resistant polyolefin and polyolefin blend liners in the production or injection string of a well is shown. The lining is employed for the...
US20090301710 Fixed Swirl Inducing Blast Liner  
Wear is reduced in abrasive slurry service at an outlet into an annular space defined by the wellbore and around the tool. In a gravel packing application with a crossover, the slurry exits a...
US20090205835 CUT RELEASE SUB AND METHOD  
A tubular member for lining a wellbore, the tubular member comprising: an inner tubular member including a first end, an opposite end, an axial bore extending from the first end to the opposite...
US20080257542 Low Carbon Steel Expandable Tubular  
A low carbon steel expandable tubular (10, 100, 200).
US20140302305 HYDROPHOBIC POROUS HARD COATING WITH LUBRICANT, METHOD FOR MAKING AND USE OF SAME  
A composite includes a porous matrix that includes a molybdenum-silicon-boron (Mo—Si—B) alloy that has a plurality of pores with a lubricant in contact with the Mo—Si—B alloy, a hydrophobic...
US20090050314 Surface improvement for erosion resistance  
The technique of laser induced surface improvement is used for tool surfaces in downhole tools that experience erosion from slurry or high velocity flows.
US20050115717 Improved Downhole Tool Liner  
A liner insertable into the central bore of a downhole tool includes a resilient material rolled into a substantially cylindrical shape. The outside diameter of the liner is variable to allow the...
US20060118297 DOWNHOLE TOOL SHOCK ABSORBER  
Shock absorbers for downhole tools. The shock absorbers entailing a columnar body having a wall including a plurality of cells, and a retainer adapted to retain the shock absorber on the tool...
US20070051520 Expansion system  
An apparatus for the radial expansion and plastic deformation of a tubular member that includes a coating to reduce the frictional forces of expansion.
US20140008066 Shunt Tube Assembly Entry Device  
A shunt tube entry device comprises one or more inlet ports, a shroud disposed at least partially about a wellbore tubular, and a shunt tube in fluid communication with the chamber. The shroud...
US20100300674 PERMEABILITY FLOW BALANCING WITHIN INTEGRAL SCREEN JOINTS  
A SAGD system including at least one borehole having a tubular therein; and at least one baffle disposed on the tubular, the baffle extending radially outwardly of the tubular into proximity with...
US20120145381 Foldable Composite Tubular Structure  
Foldable pipe-in-pipe composite tubular structure having between pipes after rounding and hardening a filling material associating the layers to enhance the structure mechanical performance mostly...
US20110315378 INSULATING OR MODIFIED CONDUCTIVITY CASING IN CASING STRING  
A casing string in a wellbore has conductive tubulars and modified conductivity (MC) or non-conductive tubulars joined to one another. A MC/non-conductive tubular may be disposed between two...
US20050269084 Junction assembly, system and method for providing a downhole junction  
The invention is directed at a junction assembly adapted for insertion in a borehole and a system and a method for providing a junction in a borehole. The junction assembly is comprised of a...
US20150226014 ULTRA-HIGH TOUGHNESS AND HIGH STRENGTH DRILL PIPE AND MANUFACTURING PROCESS THEREOF  
The invention discloses a drill pipe having ultra-high toughness and high strength and comprising the following chemical elements in mass percentage: C: 0.24-0.30%, Si: 0.1-0.5%, Mn: 0.7-1.5%, Cr:...
US20140170015 CORROSION RESISTANT STEEL COMPOSITION  
A steel composition resistant to sulfidic corrosion has been discovered. The newly discovered steel composition comprises the elements Fe, C, Si, Cu, and Mn wherein the composition comprises from...
US20140318762 Scale Prevention Treatment Method, System, and Apparatus for Wellbore Stimulation  
A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted...
US20110214855 Expandable Device for Use in a Well Bore  
An expandable device comprising a plurality of expandable cells. The cells may be bistable cells or other types of cells that are expanded from a contracted position towards an expanded position....
US20140060846 DOWNHOLE CASING SYSTEM  
The present invention relates to a casing module for being part of a downhole casing system, comprising a base pipe extending in a longitudinal direction and having a circumference, a functional...
US20060196658 Tubular slug reducer  
The flow line 10, 12, 30 is provided for reducing axial separation of different density fluids passing through the flow line, such as gas and liquids. The flow line is provided with one or more...
US20100089588 SYSTEM, METHOD AND APPARATUS FOR CONCENTRIC TUBING DEPLOYED, ARTIFICIAL LIFT ALLOWING GAS VENTING FROM BELOW PACKERS  
An artificial lift deployed on concentric tubing allows gas to be vented from below packers in a well. A central flow path is used for the fluid production from the artificial lift system, while...
US20100059232 SYSTEM AND METHOD FOR RETAINING AN ELEMENT  
The instant patent application discloses, among other things, a sand management system comprising an upper sand management portion and a lower sand management portion and an extendable leak-off...
US20120211235 CONDUIT ASSEMBLY AND METHOD OF MAKING AND USING SAME  
The present invention provides conduit assemblies of substantial length that have an inner member disposed in an opening of a conduit member and connected to the interior of the conduit member....
US20130299180 Systems and Methods For Managing Pressures In Casing  
Systems and methods for managing pressures present in an annular space defined between casing strings contained within a subterranean well. These systems and methods may include providing a...
US20130126187 Entry Tube System  
An entry tube system allows fluid to enter a chamber and flow to one or more shunt tubes connected to a downhole end of the entry tube. The fluid can enter the chamber about all or substantially...
US20070227742 Casing transition nipple and method of casing a well to facilitate well completion, re-completion and workover  
A casing transition nipple and method of casing a well facilitates well completion, re-completion and workover while increasing safety and reducing expense. The casing transition nipple provides a...
US20150240146 DOWNHOLE TOOLS HAVING HYDROPHOBIC WEAR AND EROSION RESISTANT COATINGS, AND METHODS OF MANUFACTURING SUCH TOOLS  
Downhole tools for use in wellbores include a layer of material over a body, wherein the layer is relatively more hydrophobic at higher temperatures and pressures, such as those encountered...
US20140138101 WELLBORE TOOL WITH INDEXING MECHANISM AND METHOD  
A wellbore tool, a wellbore fluid treatment string and a method with an indexing mechanism including a crown ratchet sleeve. The indexing mechanism can be shifted through one or more inactive...
US20140238664 NOISE ISOLATION TOOL  
Generally, the present disclosure is directed to noise isolation tools that may be used to minimize or even eliminate the detrimental effects that rogue noise events may have on the noise data...
US20130075081 FORMING INCLUSIONS IN SELECTED AZIMUTHAL ORIENTATIONS FROM A CASING SECTION  
A method of forming multiple inclusions into a subterranean formation can include initiating the inclusions into the formation, the inclusions extending outwardly in respective multiple azimuthal...
US20120090854 PRESSURE BEARING WALL AND SUPPORT STRUCTURE THEREFOR  
A method of supporting a pressure bearing wall against a pressure differential applied across the wall can include positioning a support structure proximate the pressure bearing wall, the support...
US20110290486 Well Treatment Device, Method, and System  
System, devices, and methods are described relating to the treatment (e.g., perforating, fracturing, foam stimulation, acid treatment, cement treatment, etc.) of well-bores (e.g., cased oil and/or...

Matches 1 - 50 out of 131 1 2 3 >