Wells inventions 07/06

20060162921 - Slip energized by longitudinal shrinkage: A slip for an expanding hanger or patch is disclosed. The slip is mounted over the hanger body and has an internal profile that nests within a mating profile on the exterior of the hanger. When a compressive force is applied to the hanger, it shrinks longitudinally and as a...

20060162922 - Methods of improving heavy oil production: The invention provides an improved method for producing heavy oil or bitumen in a reservoir. The invention involves directing the formation of a solvent fluid chamber through the combination of directed solvent fluid injection and production at combinations of horizontal and/or vertical injection wells so as to increase the recovery...

20060162923 - Method for producing viscous hydrocarbon using incremental fracturing: A method for producing viscous hydrocarbon formations involves the use of a downhole burner. The well undergoes a mild hydraulic fracturing process that limits the fractured zone to a relatively small dimension so as to avoid intersecting any drainage zones of adjacent wells. The operator pumps fuel, steam and oxygen...

20060162924 - Mobile gas separation unit: The mobile gas separation unit is transportable from well site to well site. The mobile gas separation unit will separate CO2 from natural gas at the well site where the natural gas is produced. The CO2 may be a part of a fracturing fluid that is used to fracture the...

20060162925 - Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines: A method for positioning sleeve down hole in a hydrocarbon producing well. A running assembly with associated sleeve is run down a hydrocarbon producing well until the sleeve is in a desired positioned in a conduit. The sleeve is expanded until it sealingly engages the conduit. Pressure is maintained within...

20060162926 - Methods of using substantially hydrated cement particulates in subterranean applications: Fracturing fluids comprising a base fluid and substantially hydrated cement particulates. Methods of fracturing a subterranean formation comprising fracturing the subterranean formation so as to create or enhance one or more fractures in the subterranean formation; introducing a fracturing fluid comprising a base fluid and substantially hydrated cement particulates into...

20060162927 - Single trip horizontal gravel pack and stimulation system and method: A method for completing a well in a single trip, including: inserting a completion tool assembly into the well, the completion tool assembly having a gravel packing assembly and a service tool assembly slidably positioned substantially within an interior cavity in the gravel packing assembly; removably coupling the service tool...

20060162928 - Process for treating a formation: A method of introducing an oil field or gas field production chemical into a hydrocarbon-bearing porous subterranean formation penetrated by a wellbore comprising: injecting a gelling composition comprising an aqueous liquid, an oil field or gas field production chemical, and a gellable polymer through the wellbore into the porous subterranean...

20060162929 - Lightweight proppant and method of making same: A method of forming lightweight, high-strength proppants is disclosed, comprising the steps of: homogeneously blending at least one ceramic precursor and at least one pore former; pelletizing the blend to form microspheres; heating the microspheres to less than sintering temperatures, to evaporate volatile components and pyrolyze fugitive components; further heating...

20060162930 - Methods of plugging a permeable zone downhole using a sealant composition comprising a crosslinkable material and a reduced amount of cement: A method of servicing a wellbore, comprising preparing a sealant composition comprising a crosslinkable material, a crosslinking agent, a fluid loss control additive, and water, placing the sealant composition in a permeable zone in the wellbore, and allowing the sealant composition to set. A method of servicing a wellbore, comprising...

20060162931 - Cooling apparatus and method: An apparatus and method provide for cooling of a system having an energy source, one or more devices that actively consume energy, and one or more devices that generate heat. The inventive apparatus comprises one or more thermoelectric coolers (“TECs”) disposed in conductive engagement with at least one of the...

20060162932 - Safety valve for use in an injection well: The present invention provides for a valve to allow injection of fluids into a well or other subterranean facility, but will close to prevent production or upward flow of fluids through the valve upon halting injection operations....

20060162933 - System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber: A system and method of establishing an offshore exploration and production system is disclosed, in which a well casing is disposed in communication with an adjustable buoyancy chamber and a well hole bored into the floor of a body of water. A lower connecting member joins the well casing and...

20060162934 - Subsea pumping system: A pumping system is disclosed for producing hydrocarbons from a subsea production well with at least one electrical submersible pumping (ESP) hydraulically connected to at least one multiphase pump to boost production fluid flow....

20060162935 - Snorkel device for flow control: The present invention provides for the operation of a downhole flow control device using a snorkel tube....

20060162936 - Mounts for blowout preventer bonnets: A mount for a bonnet of a blowout preventer includes at least one support member coupled to a body of the blowout preventer, and a bonnet mounting member moveably coupled to the at least one support member and adapted to move substantially normal to a face of the body of...

20060162938 - Expanding a tubular element to different inner diameters: A method of expanding a tubular element is provided, the tubular element having a first portion to be expanded to a first inner diameter and a second portion to be expanded to a second inner diameter larger than the first inner diameter. The method comprising: a) arranging an expandable sleeve...

20060162937 - 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....

20060162939 - Dual flapper safety valve: A valve system for use in a subterranean well, the valve having multiple closure devices, or a closure device and a device for protecting the closure device. A valve system includes a valve with a closure assembly. The closure assembly has a closure device and a protective device which alters...

20060157235 - Termination for segmented steel tube bundle: A termination and anchorage for steel helical segmented steel tubing bundles includes a set of multiple separable anchor blocks to which the individual tubes in the bundle can be attached and a clamp assembly for securing and supporting the set of anchor blocks. Multiple comating annular arcuate outer anchor blocks...

20060157236 - Blowout preventer stack landing assist tool: A blowout preventer stack landing assist tool and landing tool adapter joint for use with a standard telescoping joint used in oil and gas drilling operations that allows lifting and moving of the riser string and blowout preventer stack without requiring disconnection of the telescoping joint, tensioning lines and associated...

20060157237 - Well and method for regenerating a well: The invention relates to a well (1) for extracting, observing and/or lowering ground water, comprising a standpipe (2) having at least one filter pipe area (3) and comprising at least one pump (6) located in the standpipe (3), in order to provide a well which can be regenerated simply and...

20060157238 - Inhibiting breakthrough of driving fluid via a permeable geological layer into an oil production well: A method for selectively reducing the permeability of one or more relatively permeable geological layers of an oil-bearing formation, to inhibit breakthrough of driving fluid from a driving fluid injection well via at least one of said layers into an oil production well, which method comprises the steps of injecting...

20060157239 - Method and apparatus for logging a well using a fiber optic line and sensors: A system and method to log a wellbore, comprising a logging tool adapted to be deployed in a wellbore environment, the logging tool including at least one sensor for taking a measurement of the wellbore euviwwnent. The sensor is a fiber optic sensor and the system includes a fiber optic...

20060157240 - Methods and apparatus for monitoring components of downhole tools: Disclosed herein is a surface controlled subsurface safety valve (SCSSV) that includes a moveable component of the SCSSV and a stationary component of the SCSSV. A sensor element is also included which is configured to sense position of the moveable component relative to the stationary component. Further disclosed herein is...

20060157242 - System and method for producing fluids from a subterranean formation: The system of subterranean wells includes a subsurface flow line 20 having at least a portion within or underlining one or more subterranean formations 12. One or more drainage wells 26, 28, 30, 32, and 34 each extend from the surface and intercept at least one of the subterranean formations...

20060157241 - System for injecting water, collected from subterranean aquifers and injector wells, into oil reservoirs: The instant invention relates to a system for collecting and injecting water from a subterranean aquifer into hydrocarbon reservoirs, more specifically, the invention is directed to a system of water collection wells in aquifers and injector wells in oil reservoirs (petroleum) and one or more pumps. The invention finds application...

20060157243 - Methods for fracturing subterranean wells: A method of forming a propped fracture comprising: providing a fracture having a far-well bore area and a near-well bore area; placing first proppant particulates at least partially coated with an adhesive substance; placing a portion of second proppant particulates in the near-well bore area of the fracture so as...

20060157244 - Compositions comprising melt-processed inorganic fibers and methods of using such compositions: Improved lost circulation compositions that include melt-processed inorganic fibers and methods for using such compositions in subterranean formations are provided. An example of a method of the present invention is a method of cementing in a subterranean formation. Another example of a method of the present invention is a method...

20060157245 - Process for reducing the production of water in oil wells: A process is described for reducing the production of water in oil wells which comprises the injection into the formation around the well of an aqueous solution of one or more polymers selected from those having general formula (1) [] wherein: n ranges from 0.70 to 0.98; m ranges from...

20060157246 - Window reaming and coring apparatus and method of use: Window reaming and coring apparatus has a reamer connected in the middle of the tool by mechanical joints which permit the reamer to be displaced substantially parallel to the rest, of the tool body. The apparatus is lowered adjacent a pre-determined zone of interest and mills a parallel window along...

20060157247 - Additive for, treatment fluid for, and method of plugging a tubing/casing annulus in a well bore: For tubing/casing annulus plug treatment to plug a well, a tubing/casing annulus plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, a filter aid, and an optional reinforcing material, preferably of fibers and/or comminuted plant materials. The method of forming a tubing/casing annulus plug fluid...

20060157248 - Well treatment with dissolvable polymer: Well treatment is disclosed that includes injecting a well treatment fluid with insoluble polyol polymer such as polyvinyl alcohol (PVOH) dispersed therein, depositing the insoluble polymer in the wellbore or an adjacent formation, and thereafter dissolving the polymer by reducing salinity and/or increasing temperature conditions in the environment of the...

20060157249 - Finger boot basket: A boot basket for retrieving debris from a well bore, and a method for retrieving debris from said well bore. The boot basket includes a mandrel having an internal wall and an external wall. The mandrel is connectable to a work string. The boot basket further includes a basket having...

20060157250 - Improvements in or relating to sub sea control and monitoring: A system for monitoring and/or controlling at least one device mounted on a tubing string of a well, the system comprising: a down-well cable for conveying a signal to and/or from at least one device mounted on a tubing string of a well; a temporary surface cable for conveying a...

20060157251 - Subsea compressor module and a method for controlling the pressure in such a subsea compressor module: A subsea gas compressor module having a housing comprising a sealing element generally defining within the pressure housing a first compartment holding as compressor and a second compartment holding an electric motor, the compressor and motor being driveably connected by at least one shaft. The first compartment is connected to...

20060157252 - Subsea riser disconnect and method: A subsea riser disconnect assembly 10 may be actuated from a drilling rig DR by axial movement of an upper riser 35 relative to a lower riser 28, for disconnecting the upper riser 35 from the lower riser 28. A subsea riser valve assembly 20 may be actuated from the...

20060157253 - Downhole swivel apparatus and method: What is provided is a method and apparatus which can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill string is being rotated and/or...

20060157254 - Hydraulic control system: A hydraulic control system for controlling an external device (4) at a well installation includes a control module (2) for generating electrical and/or optical control signals. A control pod (8) receives the control signals, the control pod controlling the external device. A hydraulic line (10) links the control pod to...

20060157255 - Downhole safety valve: The present invention generally provides a method and apparatus for selectively sealing a bore. The tubular valve generally includes a closing member for seating in and closing the bore, and a pressure-actuated, retention member having first and second opposed piston surfaces opening and closing the valve. The tubular valve prevents...

20060157256 - Unsintered mesh sand control screen: A particle control screen assembly for a perforated pipe used in a well. The particle control screen assembly includes a screen with a first end and a second end. The screen includes a first and a second unsintered woven mesh layer, each layer having a first longitudinal edge and a...

20060157257 - Fluid flow control device and method for use of same: A fluid flow control device (130) for use in a wellbore to control the inflow of production fluids comprises a screen assembly (132) positioned around a base pipe (134). The base pipe (134) has a blank pipe section and a perforated section including at least one fluid passageway (136). The...

20060151166 - Selective electromagnetic production tool: A method for resistively heating a subterranean region to lower the viscosity of heavy oil by using production tubing coupled to at least two electrodes modified for three-phase flow and an electrically insulating body....

20060151167 - System and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing: The present invention relates to a system and a method for prediction and treatment of all kinds of slugs being formed in a flow line (20) system or wellbore tubing transporting a multiphase fluid towards a downstream process including a separator or a slug catcher at said process inlet. Said...

20060151168 - Methods of preparing and using coated particulates: The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated particulates comprising the steps of coating particulates with a resin or a tackifying agent...

20060151170 - Method of stimulating oil and gas wells using deformable proppants: A method of fracturing using deformable proppants minimizes proppant pack damage, without compromising the fracturing fluid's proppant transport properties during pumping, by use of deformable proppants. Selection of proppant is dependent upon the mechanical properties of the formation rock. The strength of the deformable proppant is dependent upon the modulus...

20060151169 - Method of treating subterranean formations to enhance hydrocarbonproduction using proppants: A method of enhancing the flow of hydrocarbon fluids from small flow conduits (12) in a subterranean reservoir rock formation (10) that have traditionally not been propped in association with a fracturing treatment of the formation (10), the method including the steps of introducing a first pressurized fluid into the...

20060151171 - Delayed-gelation solution: The invention concerns an aqueous delayed-gelation solution and a method of selectively placing a delayed-gelation solution in a hydrocarbon well. According to the invention, the aqueous delayed-gelation solution a dissolved metal salt which, in use, hydrolyses to form a gel, wherein the solution contains suspended inorganic particles and the method...

20060151172 - Methods of making and using sulfonated carboxylated polysaccharide gelling agents: One embodiment of the present invention provides a method of treating a subterranean formation comprising: providing a treatment fluid comprising a sulfonated polysaccharide gelling agent wherein the sulfonated polysaccharide gelling agent is produced by reacting a cyclic sultone with a polysaccharide; and, introducing the treatment fluid into a portion of...

20060151173 - Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions: One embodiment of the present invention provides a method of treating guar splits comprising exposing guar splits to a treatment chemical to create treated guar splits; and then, without first washing the treated guar splits, grinding the treated guar splits; and, then drying the ground, treated guar splits. Another embodiment...

20060151174 - Flow control device: A device (10) for control of the flow through a production tube (6) placed in an oil well (1), the device (10) comprising a portion (8) of the production tube (6) provided with through orifices (30) and means (32, 34) of providing the device with resistance to wear by erosion....

20060151175 - Lightweight and compact subsea intervention package and method: The present invention discloses apparatus and methods for a lightweight subsea intervention package that may be installed using vessels with a smaller lifting capacity than semi-submersible platforms so that the subsea intervention package can be transported, installed, and removed from a subsea well in less time and with less cost....

20060151176 - Two-part telescopic tensioner for risers at a floating installation for oil and gas production: A tensioning device (15) for a riser (5) connecting a subsea borehole (7) with a floating installation (1) on the surface of the sea (11), where the tensioning device (15) is provided with telescoping tubes (27, 27′) and also several evenly spaced hydraulic cylinders (31, 31′) arranged in a peripherally...

20060151177 - Equalizing flapper for high slam rate applications: A flapper valve assembly is described having an equalizing port assembly with a bleed valve member that is moveable between an open position and a closed position. The equalizing port assembly features a structural support member in the form of a retainer key that is secured to the flapper valve...

20060151178 - Gas operated pump for hydrocarbon wells: The present invention generally relates to an apparatus and method for improving production from a wellbore. In one aspect, a downhole pump for use in a wellbore is provided. The downhole pump includes two or more chambers for the accumulation of formation fluids and a valve assembly for filling and...

20060151179 - Apparatus and method for transmitting a signal in a wellbore: An apparatus for transmitting a signal from deep in a wellbore through a string of tubulars, preferably drill pipe, the apparatus comprising an signal conductor and a tubular characterised in that said signal conductor is located adjacent an interior surface of the tubular, preferably drill pipe section. A transmission apparatus...

20060151180 - Device for fixing a tap handle: It is disclosed a device for fastening a tap handle in a removable way, wherein an actuating element is screwed into the control rod of a tap valve and acts on an elastically deformable element abutting against the inner wall of the hub portion of the handle....

20060151181 - One-position fill-up and circulating tool: Embodiments of the present invention include methods and apparatus for circulating fluid through casing and filling the casing with fluid using a combination fill-up and circulating tool while maintaining the fill-up/circulating tool in substantially the same position relative to the casing. In one embodiment, the fill-up/circulating tool includes a mandrel...

20060151183 - Isolation system comprising a plug and a circulation valve and method of use: An isolation system for an oil and gas well is described wherein the system comprises an isolation section and a first isolation device integral with the section and a second isolation device sealingly engaged to the section. The first isolation device may be a pressure-actuated valve and the second isolation...

20060151182 - Seal cup for a wellbore tool and method: A seal cup and method is disclosed that can be used on a wellbore tool. The seal cup includes an external circumferential seal land adjacent the cup lip and an outer surface capable of permitting drainage away from the seal land of fluids, which may seep past the seal land....

20060144586 - Shearing blind ram assembly with a fish pocket: A shearing blind ram assembly is disclosed and includes a recessed area or pocket in the ram bodies into which the sheared ends of the pipe or fish can be received to ensure complete closure of the shearing blind ram assembly and proper sealing of the blowout preventer bore....

20060144587 - Interpretation and design of hydraulic fracturing treatments: Solutions for the propagation of a hydraulic fracture in a permeable elastic rock and driven by injection of a Newtonian fluid. Through scaling, the dependence of the solution on the problem parameters is reduced to a small number of dimensionless parameters....

20060144588 - Method for determining tracer concentration in oil and gas production fluids: A method for determining the extent of recovery of materials injected or otherwise introduced into oil wells or subsurface formations is practiced using a portable device. The portable device can also be used to determiner the occurrence of a predetermined condition in an oil well such as water break through...

20060144589 - Downhole separation of oil and water: A well for producing oil from an underground formation, comprises a vertical section extending from the surface to a depth below the oil-producing formation; a sidetrack or perforated interval (production zone) extending from the vertical section into the oil-producing formation; and a valve, located in the well, and operable to...

20060144590 - Multiple zone completion system: A system and method for completing a well with multiple zones of production is provided. For example, a well completion system is provided including one or more polished bore receptacles installed in a casing and a fluid delivery device having at least one seal assembly for selectively isolating a selected...

20060144591 - Method and apparatus for repair of wells utilizing meltable repair materials and exothermic reactants as heating agents: A method and apparatus are described for creating a fluid seal in a subterranean well structure having a fluid seal defect. The method comprises introducing a meltable repair material proximate a structure in a subterranean well which has a fluid seal defect or enhanced seal capacity is required or it...

20060144592 - Methods for reducing the viscosity of treatment fluids: In one embodiment, the present invention provides a method of treating a subterranean formation comprising providing a viscosified treatment fluid that comprises a base fluid and a gelling agent, providing a breaker composition that comprises an oxidizing breaker and a breaker activator that comprises a metal and a protein, allowing...

20060144593 - Methods of sequentially injecting different sealant compositions into a wellbore to improve zonal isolation: Methods of sealing a wellbore include sequentially displacing a first sealant composition and a second sealant composition different from the first sealant composition into the wellbore, followed by allowing the first and second sealant compositions to set. In an embodiment, the first and second sealant compositions are pulse injected into...

20060144594 - Silicate-containing additives for well bore treatments and associated methods: The present invention relates to methods and compositions for use in subterranean operations. More particularly, the present invention relates to additives comprising one or more silicates used to treat tar resident in a well bore, and methods of use. In one embodiment, the present invention provides a method of treating...

20060144595 - Remote delivery of latex drag-reducing agent: Latex drag reducers and systems for delivering latex drag reducers are disclosed. The latex drag reducers comprise a polymer that is formed via an emulsion polymerization reaction dispersed in a continuous phase and can undergo subsequent modification in order to increase the solubility of the polymer in hydrocarbons. The polymers...

20060144596 - Well screen: A screen system for underground wells, and a method of fluid flow control and/or sand production control in a well. The screen system may include an inner screen and an outer screen having a plurality of slots. A mechanism, which may include a motor, is provided to vary the size...

20060144597 - Well production optimizing system: A well optimizing system and method for lifting fluid that accumulates and retards production in a well. The system includes a plunger having a piston and a detachable plugh. The piston has a sealing section and a retrieval end and defines a passage through the length thereof. One or more...