http://www.freshpatents.com/Wells-dtnewntc166.php USPTO Class 166 - Wells en-us Fri, 19 Dec 2008 00:00:35 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/System-for-cyclic-injection-and-production-from-a-well-dt20081211ptan20080302522.php Fri, 19 Dec 2008 00:00:35 -0800 A system is provided for injecting an injection fluid into an earth formation via a wellbore formed in the earth formation and for producing hydrocarbon fluid from the earth formation via the wellbore. The system comprises an injection conduit extending into the wellbore and being in fluid communication with a... http://www.freshpatents.com/Wireline-retrievable-dsg-downhole-pump-system-for-cyclic-steam-and-continuous-steam-flooding-operations-in-petroleum-reservoirs-dt20081211ptan20080302523.php Fri, 19 Dec 2008 00:00:35 -0800 A non-rigid carrier conveys a pump and/or the steam generator through a bore of the production tubing string to support enhanced oil recovery operations. An annular space separates the production tubing string and a wall of a wellbore intersecting a hydrocarbon-bearing subterranean formation. Using the non-rigid carrier, the steam generator... http://www.freshpatents.com/Apparatus-for-wellbore-communication-dt20081211ptan20080302524.php Fri, 19 Dec 2008 00:00:35 -0800 Methods and apparatus for communicating between surface equipment and downhole equipment. One embodiment of the invention provides a wellhead assembly that allows electrical power and signals to pass into and out of the well during drilling operations, without removing the valve structure above the wellhead. Another embodiment of the invention... http://www.freshpatents.com/Pipe-handling-device-method-and-system-dt20081211ptan20080302525.php Fri, 19 Dec 2008 00:00:35 -0800 A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to... http://www.freshpatents.com/Arrangement-for-affixing-an-expandable-packer-in-a-hole-dt20081211ptan20080302526.php Fri, 19 Dec 2008 00:00:35 -0800 The present invention relates to an arrangement for affixing an expandable packer 22, 32 in a hole 30, wherein the arrangement includes a piston-and-cylinder device 11, 12 with which the piston can be caused to move in the cylinder with the aid of a pressurized medium. Expansion of the packer... http://www.freshpatents.com/String-mounted-hydraulic-pressure-generating-device-for-downhole-tool-actuation-dt20081211ptan20080302527.php Fri, 19 Dec 2008 00:00:35 -0800 Two subs are held in a fixed position relative to each other when assembled to a string and run into a wellbore. A reservoir of fluid is defined in a wall between the subs. The reservoir has one or more outlets connected by a short jumper line to an adjacent... http://www.freshpatents.com/Borehole-seismic-pulse-generation-using-rapid-opening-valve-dt20081211ptan20080302528.php Fri, 19 Dec 2008 00:00:35 -0800 During a surge-pulsing operation in a borehole (e.g an oil-well undergoing remediation) liquid is stored under pressure upstream of a valve, and then released through the valve suddenly enough to create a seismic wave, which propagates into the formation around the borehole, and assists the surge-pulsing to improve the conductivity... http://www.freshpatents.com/Multi-zone-formation-fluid-evaluation-system-and-method-for-use-of-same-dt20081211ptan20080302529.php Fri, 19 Dec 2008 00:00:35 -0800 A formation fluid evaluation system (100) interconnected within a tubular string (118) for operation in a wellbore (102) having multiple zones (106, 108, 110). The evaluation system (100) includes a pair of straddle packers (120, 122) that isolates one zone (108) of the multiple zones (106, 108, 110), a test... http://www.freshpatents.com/Apparatus-and-method-for-engaging-a-tubular-dt20081211ptan20080302530.php Fri, 19 Dec 2008 00:00:35 -0800 An embodiment of the present invention comprises an apparatus for engaging with an outside diameter of a tubular comprises a device body having an internal surface that defines an internal diameter in a first position and allowing the tubular to pass therethrough and an actuator operable to move the internal... http://www.freshpatents.com/Process-for-recovering-oil-from-subterranean-reservoirs-dt20081211ptan20080302531.php Fri, 19 Dec 2008 00:00:35 -0800 The primary surfactant may be prepared in the acid form at one location and shipped as a neat product to be formulated into the final injection brine at or near the point of injection. a+b=1 to 30. y=1 to 30, x=1... http://www.freshpatents.com/Systems-and-methods-for-producing-oil-and-or-gas-dt20081211ptan20080302532.php Fri, 19 Dec 2008 00:00:35 -0800 A system including a mechanism for recovering oil and/or gas from an underground formation, the oil and/or gas comprising one or more sulfur compounds; a mechanism for converting at least a portion of the sulfur compounds from the recovered oil and/or gas into a carbon disulfide formulation; and a mechanism... http://www.freshpatents.com/Full-bore-lined-wellbores-dt20081211ptan20080302534.php Fri, 19 Dec 2008 00:00:35 -0800 Embodiments of the present invention generally provide methods and apparatus for forming a tubular-lined wellbore which does not decrease in diameter with increasing depth or length. Methods and apparatus for forming a substantially monobore well while drilling with casing are provided. In one aspect, a portion of a second casing... http://www.freshpatents.com/Removable-injection-or-production-flow-equalization-valve-dt20081211ptan20080302533.php Fri, 19 Dec 2008 00:00:35 -0800 One or more valves can be run into a string to land near associated ports in the string for injection or/and production service. When multiple valves are installed they can be initially configured to balance flow into or from a zone. The position of each valve can be altered without... http://www.freshpatents.com/Subsea-intervention-riser-system-dt20081211ptan20080302535.php Fri, 19 Dec 2008 00:00:35 -0800 The invention comprises a multi-component system for subsea intervention. The system comprises a lower riser component which is held vertical by a buoyance element and an upper riser system. The upper riser system is a continuous, enjoined conduit with sufficient flexibility to absorb the motion of the deployment vessel without... http://www.freshpatents.com/Multi-deployable-subsea-stack-system-dt20081211ptan20080302536.php Fri, 19 Dec 2008 00:00:35 -0800 Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout preventer package releasably coupled to the blowout preventer stack and comprising a second ram blowout preventer. The subsea blowout preventer stack... http://www.freshpatents.com/Dimpled-riser-floatation-module-dt20081211ptan20080302537.php Fri, 19 Dec 2008 00:00:35 -0800 An improved subsea riser for use in oil and gas drilling applications having a cylindrical floatation member adapted for attachment to a blow out preventer. The member may be configured with a plurality of generally evenly spaced dimples, indentations or protrusions about the circumference of the member to provide more... http://www.freshpatents.com/Cemented-open-hole-selective-fracing-system-dt20081211ptan20080302538.php Fri, 19 Dec 2008 00:00:35 -0800 A cemented open hole selective fracing system and method are shown. In the producing zone, an open hole is drilled therein and a production tubing is cemented in place. At preselected locations along the production tubing, the production tubing will have sliding valves located there along. The sliding valves may... http://www.freshpatents.com/Grooved-expandable-recess-shoe-and-pipe-for-deployment-of-mechanical-positioning-devices-dt20081211ptan20080302541.php Fri, 19 Dec 2008 00:00:35 -0800 A first, expandable casing member, in an unexpanded state, is provided with a lower axial end that has a radially expanded upset or recess shoe and a locating profile. The first casing member is run into a wellbore, expanded, and secured in place within the wellbore. A second expandable casing... http://www.freshpatents.com/Insert-sleeve-forming-device-for-a-recess-shoe-dt20081211ptan20080302540.php Fri, 19 Dec 2008 00:00:35 -0800 A recess shoe system includes a recess shoe; an insert sleeve disposed radially inwardly adjacent of the recess shoe in a portion of the recess shoe the insert sleeve having a ring and a plurality of fingers extending from the ring, the fingers being radially outwardly deflectable in response to... http://www.freshpatents.com/Method-and-apparatus-for-lengthening-a-pipe-string-and-installing-a-pipe-string-in-a-borehole-dt20081211ptan20080302539.php Fri, 19 Dec 2008 00:00:35 -0800 The present invention generally relates to a method and an apparatus for connecting an add-on pipe segment to a pipe string to lengthen the pipe string using friction stir welding. The pipe string is suspended in a borehole using a spider or some other pipe suspending device, and the lower... http://www.freshpatents.com/Riserless-deployment-system-dt20081211ptan20080302542.php Fri, 19 Dec 2008 00:00:35 -0800 A method of deploying a tool into a pressurized well is provided that includes providing the well with a wellhead having a blow out preventer coupled thereto; setting a pressure barrier within the well at a distance below the blow out preventer that is at least as long as the... http://www.freshpatents.com/Expandable-packer-system-dt20081211ptan20080302543.php Fri, 19 Dec 2008 00:00:35 -0800 The expandable casing packing element systems for cased and open-hole wellbores include an expandable casing member having a sealing device comprising a sealing element disposed between at least two retainer rings. In one embodiment, both retainer rings have flat cross-sections and the sealing element is forced radially outward by the...