Wells inventions 05/06

20060108110 - Coated tools for use in oil well pipes: The present invention relates to a tool for use in an oil pipe having a fluoropolymer coating imparting substantially reduced adhesion of asphaltenes, paraffin wax, and inorganic scale, so as to reduce plugging of said tool, and impermeability to salt water so as to protect the tool pipe from corrosion....

20060108111 - Increasing media permeability with acoustic vibrations: A coalbed methane production method comprises acoustic radiators strategically placed within exhaust boreholes that sonically vibrate the immediate wall areas. The gas volume output that can be realized by an exhaust well is mainly determined by the penetrability of the inside faces of the borehole. Such inside faces behave like...

20060108112 - Probe for measuring the electromagnetic properties of a down-hole material: A probe 1 for measuring the electromagnetic properties of a down-hole material MC, GF, DM of a well-bore WB comprises a metallic pad 2 in contact with the down-hole material. The pad 2 further comprises an open-ended coaxial wire 4 coupled to an electronic circuit 3. The open-ended coaxial wire...

20060108113 - Shale shakers and screens with identification apparatuses: A screen apparatus, which in certain aspects is a screen apparatus having a support, screening material on the support, and energizable identification apparatus on (exteriorly, interiorly, and/or within) the support for identifying the screen apparatus; a vibratory separator with such a screen apparatus; and a vibratory separator or shaker with...

20060108114 - Drilling method for maintaining productivity while eliminating perforating and gravel packing: A method for well construction and completion is disclosed. First, a productive section of a well is drilled in the presence of a fluid system that controls fluid losses, is substantially non-damaging to the formation and includes particles in a particle size distribution sufficient to form a low permeability filter...

20060108115 - System and method for fracturing and gravel packing a wellbore: A method is disclosed for fracturing and gravel packing a subterranean well. The method allows gravel slurry to be pumped at high rates to fracture the earthen formation adjacent the wellbore. Also, the method allows the annulus between the gravel pack screen or liner and the casing to be tested...

20060108116 - Method and apparatus for cooling flasked instrument assembles: Method and apparatus are provided to accelerate the cooling of thermally sensitive components in a chamber of a downhole instrument assembly. In accordance with the invention, a passage is formed in the chamber and a fluid is conveyed through the passage to cool the components to the desired temperature. By...

20060108117 - Selectively operational cleaning tool: A downhole cleaning tool (10) for oil mind gas wells. Brushes, scraper, wipers (32) and the like are mounted on a sleeve (14) over a tubular body (12), and the members successively moved towards and away from an inner surface of a tubular to be cleaned. Movement is created by...

20060108118 - Apparatus and method for installation of subsea well completion systems: A method for installing a subsea completion system comprises installing a conductor housing on the sea floor, landing a wellhead in the conductor housing, securing a BOP to the wellhead, landing a casing hanger in the wellhead through the BOP, connecting a tubing hanger to a THRT, landing the tubing...

20060108119 - Riser rotating control device: A latch assembly is connectable to a riser. A rotating control device can be positioned with the riser, sealing the rotating control device with the latch assembly and removably latching the rotating control device to the latch assembly and to the riser. The latch assembly can be remotely actuated. The...

20060108120 - Well production and multi-purpose intervention access hub: A well production and multi-purpose intervention access hub for flowing fluids from multiple wells to a host facility through a flowline. The hub comprises a production header module and a flowline header module configured for fluid communication with the flowline. The production header module and the flowline header module connect...

20060108121 - Riser tensioner with lubricant reservoir: A tensioner for an offshore structure has inner and outer barrels engaging each other for movement between retracted and extended positions. The barrels are filled with gas pressure. A primary seal is located between the inner and outer barrels at the open end of the inner barrel. An annular lubricant...

20060108122 - Top feed of control lines to a reciprocating spider: Method and apparatus for installing control lines and pipe into a well. The pipe-holding spider that is normally mounted on the rig floor is supportably retained in a vertically movable retainer. The retainer is adapted for controllably elevating the spider above the rig floor when the pipe slips within the...

20060108124 - Casing alignment tool: An alignment apparatus for use with the assembly of tubular segments with a tubular string in a well bore is disclosed. The alignment apparatus includes an actuator assembly functionally associated with an engagement assembly. Upon actuation of the actuator assembly, the engagement assembly engages the segment. The alignment apparatus is...

20060108123 - System for radially expanding tubular members: A system for radially expanding tubular members includes an expansion device and a vibratory device that generates vibratory energy for agitating at least one of the expansion device and/or the expandable tubular member....

20060108125 - Anchor and method of using same: An anchoring tool to position an attached tool, such as a chemical cutter or other tools, in a predetermined position within the bore of a tubular. After the desired location for cutting the tubular or performing other functions is determined, the anchoring tool, along with the chemical cutter or other...

20060108126 - Gas-pressurized lubricator: Embodiments of the present invention provide methods and apparatus for reducing kinetic energy of a plunger within a plunger lift system. In one aspect, a lubricator is provided at a surface of a wellbore, the lubricator having a sealed, pressurized chamber therein to cushion the plunger upon impact. In another...

20060102336 - Primary electro-mechanical initiating dump bailer device and method of use: Electro-mechanically initiated dump bailer devices are disclosed generally comprising a top assembly and one or more bottom assemblies, the top assembly having a means for transferring electrical power from a surface power supply through the top end of the assembly, a reversible motor coupled to the top section and capable...

20060102337 - Heavy-load landing string system: A tubular handling system includes a slip apparatus, a high capacity landing string and high capacity elevator bushings....

20060102338 - Anchoring device for a wellbore tool: An anchoring device for tool is disclosed that can be positioned downhole and used in casing. The anchoring device can have an architecture that supports installation by running downhole and into engagement with a recess formed in the casing. The anchoring device can support the use of weak materials such...

20060102339 - Packoff nipple: A packoff nipple is provided for sealing an annular space in a well pipe. The packoff nipple generally comprises a tubular body and a sealing assembly positioned around the tubular body and axially moveably thereon. A stop restrains the sealing assembly from extruding in to the annular space. The sealing...

20060102340 - Automatic downlink system: A downlink system that includes at least one mud pump for pumping drilling fluid from a drilling fluid storage tank to a drilling system, a standpipe in fluid communication with the mud pump and in fluid communication with the drilling system, and a return line in fluid communication with the...

20060102341 - Signalling method and apparatus: At least one three phase driven pumps (56) in a hydrocarbon well (10) well bore (12) uses frequency shift keyed digital signals (78) to pass instructions from a surface station (46, 26, 34, 30) to a tool (14, 76, 56) and reports from a tool (14, 76, 56) to the...

20060102343 - Drilling, perforating and formation analysis: A system and method of drilling and/or perforating uses a laser beam to remove material, such as to perforate the casing, cement and formation or drill a well bore. The system and method can further or alternately encompass material analysis that can be performed without removing the material from the...

20060102342 - Fracture characterization using reservoir monitoring devices: A system for monitoring a wellbore service treatment, comprising a downhole tool operable to perform the wellbore service treatment; a conveyance connected to the downhole tool for moving the downhole tool in the wellbore, and a plurality of sensors operable to provide one or more wellbore indications and attached to...

20060102345 - Method of estimating fracture geometry, compositions and articles used for the same: Disclosed herein is a method of determining the fracture geometry of a subterranean fracture comprising introducing into the fracture a target particle and/or proppant; transmitting into the fracture electromagnetic radiation having a frequency of about 300 megahertz to about 100 gigahertz; and analyzing a reflected signal from the target particle...

20060102344 - Methods of initiating a fracture tip screenout: Methods of initiating a fracture tip screenout, that comprise pumping an annulus fluid into an annulus, between the subterranean formation and a work string disposed within a wellbore penetrating the subterranean formation, at an annulus flow rate; and reducing the annulus flow rate below a fracture initiation flow point so...

20060102346 - Well production optimizing system: A method and system for controlling a producing cycle in a well, during the production cycle, for optimizing production from the well including disrupting fluid in a wellbore with a pulse generator to create a pressure pulse transmitted through the fluid in the wellbore, detecting the pressure pulse created and...

20060102347 - Method and apparatus for logging a well using fiber optics: The invention is a system and method to log a wellbore, comprising a logging tool including a downhole power source to power the data transmission and logging tool, the logging tool adapted to be deployed in a wellbore environment, the logging tool taking at least one measurement of the wellbore...

20060102348 - Drifting tubing: A method of checking for restrictions in a string of tubing formed of a plurality of tubing sections. The method involves providing a profile in the tubing string, providing a drift member adapted to engage with the profile, passing the drift member through the tubing string, and determining whether the...

20060102349 - Composition and method for treating a subterranean formation: A method of treating a subterranean formation with a retarded self-diverting fluid system. The method includes contacting the formation with a mixture of acid, chelating agent, and betaine surfactant in which the betaine surfactant is mixed with an aqueous solution of the chelating agent in which the pH has been...

20060102350 - Cementing methods using compressible cement compositions: A method of cementing at least two casing strings in a well bore, the method having steps as follows: filling the well bore and the inner diameters of the at least two casing strings with a cement composition, wherein at least a portion of the cement composition is a compressible...

20060102351 - Restricting fluid passage and novel materials therefor: Water problems in the production of oil or gas from subterranean formations is addressed by providing a method of restricting passage of a fluid from a first location to a second location in a subterranean formation by injecting into the formation a formulation comprising a first material, for example a...

20060102352 - Debris reduction perforating apparatus and method for use of same: A perforating apparatus (100) includes a plurality of shaped charges (102) each having a case, an initiation end and a discharge end. A detonating cord (116) is operably associated with the initiation ends of the shaped charges (102). An energy absorbing charge holder (104) has a detonating cord receiving area...

20060102353 - Thermal component temperature management system and method: A system for managing the temperature of a thermal component. The system comprises a heat exchanger in thermal contact with the thermal component. The temperature management system also comprises a heat storing temperature management system for removing heat from the thermal component and storing the removed heat within the heat...

20060102354 - Wear resistant layer for downhole well equipment: The present disclosure provides a method, system, apparatus, and related alloy to provide a protective wear coating on a downhole component for a well through a synergistic use of a thermal spraying process in combination with a novel iron-based alloy. The thermal spraying process melts the material to be deposited...

20060102355 - Automatic chemical treatment system with integral flush fluid dispenser: A wellbore chemical treating system is disclosed. A system according to this aspect of the invention includes a pressure vessel for containing a treating chemical. The pressure vessel is closed to atmospheric pressure. A first controllably operated valve is disposed in fluid communication between an outlet of the pressure vessel...

20060102356 - Device and a method for well intervention: the jacking table (21) being movably connected to the at least two parallel guides (17), at least one of the at least two parallel guides (17) including means (47) for moving the jacking table (21) along the guides (17) in their, in the position of use, vertical extent, and the...

20060102357 - Electric hydraulic power unit and method of using same: An apparatus includes a housing defining a chamber therein and defining an inlet port and an outlet port and a movable pressure barrier, disposed in the chamber, separating the chamber into first and second portions, the inlet port and the outlet port being in fluid communication with the first portion...

20060102358 - Fluid system component with sacrificial element: A fluid system component is provided that is implemented as a section of metal pipe having a predetermined wall thickness and including a sacrificial element intended to preferentially fail upon the occurrence of certain predefined conditions. The sacrificial element takes the form of a window of predetermined geometry that covers...

20060102359 - Valve: An improved valve for sealing a wellbore and method of use, in particular for prevention of well blow outs. In one embodiment, the apparatus is designed to seal a well through rotation of rams. The rams may be actuated to seal the well without having to work against full well...

20060102360 - System for radially expanding a tubular member: A system for radially expanding a tubular member....

20060102361 - Hydraulic set permanent packer with isolation of hydraulic actuator and built in redundancy: A packer includes one or more anchors for securing the packer in a wellbore and a pair of seal elements that form a fluid seal. The packer assembly is hydraulically set and, thus, it can be located at any desired position within the wellbore. The packer assembly is secured within...

20060096751 - Top drive assembly: A top drive assembly for wellsite operations may include a quill, a swivel including a swivel housing and a swivel bearing therein in which the quill is supported, a drive system for applying torque to the quill, and link arm hangers extending from the swivel housing and formed to accept...

20060096752 - Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery: An electro acoustic device and related method for increasing production capacity of wells that contain oil, gas and/or water is disclosed. The electro acoustic device produces vibrations stimulating occurrence of mass transfer processes within the well. The resultant acoustic flow generated in porous media, produced by superposition of longitudinal and...

20060096753 - Methods of using coiled tubing inspection data: Methods for generating geometric databases of coiled tubing inspection data and using the data in job design, real time monitoring and automated feedback control of operations are described. One method includes creating a grid of spatial positions on a length of coiled tubing as it traverses through an inspection apparatus...

20060096754 - Apparatus and method for injecting tubing into a well: An apparatus and method for injecting tubing into a well, according to which the tubing is engaged by a chain and the linear motion of the tubing and the chain is sensed....

20060096755 - Method and system for accessing subterranean deposits from the surface: Improved method and system for accessing subterranean deposits from the surface that substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articulated well with a drainage pattern that intersects a horizontal cavity well. The drainage patterns provide access...

20060096756 - Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods: The present invention provides methods of treating a portion of a subterranean formation, one of which includes: providing a gelled nonaqueous treatment fluid that comprises a nonaqueous base fluid and a difunctional gelling agent that comprises a polyvalent metal salt of a bisorganophosphinic acid, a polyvalent metal salt of a...

20060096757 - Method of treating an oil or gas well with biodegradable low toxicity fluid system: A method of treating a well consists of introducing into the wellbore a biodegradable fluid system containing a blend of lactic acid ester, such as ethyl lactate, and a fatty acid ester, such as methyl soyate. The fluid system may be further in the form of a microemulsion that is...

20060096758 - Method of treating an oil or gas well with biodegradable low toxicity fluid system: A method of treating a well consists of introducing into the wellbore a biodegradable fluid system containing a fatty acid ester, such as methyl soyate. The fluid system may further contain a lactic acid ester, such as ethyl lactate, and/or a nonionic surfactant. The fluid system may be used in...

20060096759 - Methods and compositions for controlling lost circulation in subterranean operations: A lost circulation composition, that comprises a first portion of particles having a weight mean particle size of less than about 20 microns, a second portion of particles having a weight mean particle size in the range of from about 25 microns to about 400 microns, and a third portion...

20060096760 - Enhancing a flow through a well pump: A method that is usable with a well includes injecting a chemical through a chemical injection line into a flow that passes through a well pump. The method includes controlling the injection of the chemical to enhance the flow through the pump....

20060096761 - Slip on screen with expanded base pipe: The present invention provides a method for manufacturing a wellscreen and a wellscreen that have the mechanical properties of a direct-wrap wellscreen and the precise slot tolerance of a slip-on wellscreen. In one embodiment, a method for manufacturing a wellscreen for use in a wellbore is provided. The method includes...

20060096762 - Mono-diameter wellbore casing: A mono diameter wellbore casing....

20060090891 - Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same: Fracturing heads with one or more replaceable wear-resistant inserts have annular sealing elements for inhibiting fracturing fluids from circulating between the inserts and a main body of the fracturing head. Worn inserts and degraded sealing elements are easily replaced to refurbish the fracturing head without replacing or rebuilding the main...

20060090892 - System and method for utilizing a skin sensor in a downhole application: A system and method is provided for sensing a variety of parameters in well-related environments. A skin sensor is deployed in downhole applications to obtain data used in analyzing well characteristics....

20060090893 - Plunger lift apparatus that includes one or more sensors: A plunger lift apparatus includes wellhead equipment containing a receiver, a conduit extending from the wellhead equipment into a wellbore, and a plunger to be run through the conduit to a downhole location in the wellbore. The plunger includes at least a sensor to measure a downhole parameter, and a...

20060090894 - Apparatus for the simultaneous collection of pore water specimens from adjacent areas of aquatic sediments: A specimen collection apparatus for the simultaneous collection of pore water from adjacent areas of aquatic sediments provided with a plurality of miniaturized tubular specimen collectors in a vertical array mounted for horizontal movement into and out of a housing relative to the sediment. A Benthin chamber may be provided...

20060090896 - Foamed completion fluids and methods: Foamed completion fluids and methods of completing subterranean zones penetrated by well bores are disclosed. A method of completing a subterranean zone penetrated by a well bore comprises the steps of providing or preparing a foamed completion fluid comprising water, one or more salts, a gas and a capryl/capramidopropylbetaine surfactant...

20060090895 - Foamed treatment fluids, foaming additives and associated methods: wherein R is a capryloyl, a capryl, an octyl, a decyl, a cococyl radical, or a mixture thereof. This foaming additive may be utilized in foamed treatment fluids, and those foamed treatment fluids may be utilized in fracturing and sand control treatments in subterranean operations. Associated methods also are presented...

20060090897 - High chrome/nickel milling with pdc cutters: A method of downhole milling of an item having high chrome/high nickel content, using polycrystalline diamond cutting elements, exhibiting less wear, requiring less torque and weight, and producing less heat, than prior art tungsten carbide elements....

20060090898 - Subsea junction plate assembly running tool and method of installation: The invention relates to a running tool for subsea junction plate assembly installation. The invention further relates to a method for installing a junction plate assembly using the running tool of the present invention....

20060090900 - Fracturing/gravel packing tool with variable direction and exposure exit ports: A fracturing/gravel packing tool with variable direction and exposure exit ports. A system for delivering an erosive flow into a subterranean well includes a port displacing in the well while the erosive flow passes through the port. Various displacement devices may be used in the system to displace the port....

20060090899 - Ram bop shear device: A ram-type blowout preventer may include a body, a first ram block positioned within the body and having a first shearing element and a first sealing element, and a second ram block positioned within the body and opposing the first ram block, the second ram block having a second shearing...

20060090901 - Arm for moving flexible lines at a well site: A movable arm 10 engages a flexible line 50 at a well site for positioning the flexible line between run-in position for passing the flexible line with a tubular through a well hole in the rig floor and a clamping position wherein the flexible line is adjacent the tubular above...

20060090902 - Protective sleeve for threaded connections for expandable liner hanger: A tubular sleeve is coupled to and overlaps the threaded connection between a pair of adjacent tubular members....

20060090903 - System and method for thermal change compensation in an annular isolator: In accordance with the teachings of the present invention, a system and method for forming an annular isolator between production tubing and a borehole wall is provided. A section of expandable tubing is installed in a borehole, and a sleeve disposed around a surface of the tubing cooperates with the...

20060090906 - Apparatus and method for wellbore isolation: An apparatus for isolating a selected leg of a wellbore from the remainder of the wellbore includes a packer positionable in the selected leg of the wellbore, a tube extending through the packer from an uphole side of the packer to a downhole side of the packer to permit a...

20060090904 - Cup tool, cup tool cup and method of using the cup tool: A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement from an unset position for entry into a wellbore to a set position in which an annular...

20060090905 - Inflatable packer assembly: Conventional formation evaluation with dual inflatable packers includes the steps of pressurizing the packers so as to isolate an annular portion of the borehole wall, collecting one or more samples of formation fluid via the isolated portion of the borehole wall, and depressurizing the packers so as to permit movement...