|
Match
|
Document |
Document Title |
|
|
8183185 |
Well servicing fluid comprising an organic salt being the product of an organic acid and an organic amine base and method of servicing a well with the fluid
A well servicing fluid is disclosed. The well servicing fluid is formulated with components comprising: an organic salt, the organic salt being the product of an organic acid and an organic amine...
|
|
|
8127835 |
Integrated cable hanger pick-up system
A hanger system is provided for supporting a cable-supported dewatering pump in a gas well. A dewatering pump is supported in a downhole location by a cable. A cable hanger bears the weight of the...
|
|
|
8096353 |
Oilfield nanocomposites
An oilfield apparatus includes an oilfield element made of a composite that includes a matrix material; and a plurality of functionalized graphene sheets dispersed in the matrix material. A method...
|
|
|
8087463 |
Multi-position hydraulic actuator
A method of actuating a well tool utilizing first and second pressure sources includes the steps of: placing an actuator chamber in communication with the first pressure source, thereby displacing...
|
|
|
8048828 |
Spotting fluid compositions and associated methods
Fluids and associated methods useful in subterranean applications are provided. More particularly, methods of reducing drill string sticking are provided, which include: providing a spotting fluid...
|
|
|
8047296 |
Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems
The technical challenges for a smooth transition between using both a thermodynamic hydrate inhibitor (THI) and a kinetic hydrate inhibitor (KHI) to simply using only the KHI in multiple tie-in gas...
|
|
|
8048829 |
Spotting fluid compositions and associated methods
Fluids and associated methods useful in subterranean applications are provided. Compositions are provided that may be useful in subterranean applications for addressing, among other things, drill...
|
|
|
8033334 |
Treating liquids in oil extraction
A method of treating liquid, particularly an oil/water mixture, in an oil well pipe, wherein a radio frequency propagating electrical field is established in the liquid in the pipe cause the...
|
|
|
8016033 |
Continuous flow drilling systems and methods
In one embodiment, a method for drilling a wellbore includes injecting drilling fluid into a top of a tubular string disposed in the wellbore at a first flow rate. The tubular string includes: a...
|
|
|
7958939 |
Composition and method for producing a pumpable hydrocarbon hydrate slurry at high water-cut
Embodiments of the invention relate to a process for providing a pumpable hydrate slurry in a hydrocarbon pipeline fluid mixture having a water-cut greater than about 50 volume percent. In one or...
|
|
|
7870899 |
Method for utilizing pressure variations as an energy source
The present disclosure relates to a pump mechanism driven by differential pressure conditions and method for delivery of materials. In one embodiment, the pump mechanism may be used to deliver...
|
|
|
7803278 |
Method for corrosion and scale inhibition
The present invention provides a formulation for use in the treatment of corrosion and metal sulphide scale deposits in aqueous systems, said formulation comprising a tetrakis (hydroxyorgano)...
|
|
|
7779911 |
Method and means for providing time delay in downhole well operations
The present invention relates to an apparatus and method for providing hydraulic load compensated time delay in downhole well operations. The apparatus includes a piston stem enclosed by a piston...
|
|
|
7720323 |
High-temperature downhole devices
Subterranean oilfield high-temperature devices configured or designed to facilitate downhole monitoring and high data transmission rates with laser diodes that are configured for operation...
|
|
|
7699102 |
Rechargeable energy storage device in a downhole operation
In some embodiments, an apparatus includes a tool for a downhole operation. The tool includes an electrical component. The tool includes a rechargeable energy storage device to supply power to the...
|
|
|
7694733 |
Centralizer
A centralizer having a body with an inner surface provided with a friction-reducing slider, typically located in an annular recess on the inner surface of the body of the slider, spaced from the...
|
|
|
7678281 |
Method of reclaiming brine solutions using an organic chelant
A method of reclaiming a well completion brine solution containing metal impurities by introducing to the brine solution an organic chelant of the formula: and may be either a neutral compound, a...
|
|
|
7676326 |
VH Reservoir Mapping
A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes determining ratio data for a plurality of orthogonal spectral components of naturally occurring low...
|
|
|
7648946 |
Methods of degrading filter cakes in subterranean formations
Methods of degrading filter cakes in subterranean formations are provided. An example of a method is a method of drilling a well bore in a subterranean formation. Another example of a method is a...
|
|
|
7604049 |
Polymeric composites, oilfield elements comprising same, and methods of using same in oilfield applications
Oilfield elements and assemblies are described comprising a polymeric matrix formed into an oilfield element, and a plurality of expanded graphitic nanoflakes and/or nanoplatelets dispersed in the...
|
|
|
7553800 |
In-situ filter cake degradation compositions and methods of use in subterranean formations
Improved in-situ filter cake degradation compositions for use in subterranean formations, well drill-in and servicing fluids including such in-situ filter cake degradation compositions, and methods...
|
|
|
7534744 |
Method and composition for preventing or treating lost circulation
An improved composition and method is provided for preventing or alleviating lost circulation during the drilling of wellbores in subterranean formations, and particularly during the drilling of...
|
|
|
7494957 |
Energized fluids and methods of use thereof
The present invention relates to novel aqueous wellbore treatment fluids containing a gas component, a heteropolysaccharide, an electrolyte, and a surfactant, wherein the fluids may further include...
|
|
|
7488704 |
Invert drilling fluids for use in drilling in subterranean formations
Methods for drilling, running casing in, and/or cementing a borehole in a subterranean formation without significant loss of drilling fluid are disclosed, as well as compositions for use in such...
|
|
|
7482311 |
Self-destructing filter cake
A composition and method are given for self-destructive fluid loss additives and filter cakes in wellbores and subterranean formations. The fluid loss additives and filter cakes are formed from a...
|
|
|
7462580 |
Flat rheology drilling fluids
Methods for drilling, running casing in, and/or cementing a borehole in a subterranean formation without significant loss of drilling fluid are disclosed, as well as compositions for use in such...
|
|
|
7455106 |
Polymer protective coated polymeric components for oilfield applications
An oilfield element or assembly having a polymeric substrate protected by a polymeric coating adhered to at least a portion of the polymeric substrate. The coating includes a polymer having the...
|
|
|
7419939 |
Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)
The invention describes a method for decreasing the viscosity of crude oils and residuum utilizing a combination of thermal and acidic treatment. Further, the invention describes a method for...
|
|
|
7361628 |
Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator
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...
|
|
|
7278485 |
Method of formulating and using a drilling mud with fragile gels
A method for drilling, running casing in, and/or cementing a borehole in a subterranean formation without significant loss of drilling fluid is disclosed, as well as compositions for use in such...
|
|
|
7226895 |
Drilling fluid systems for reducing circulation losses
A circulation loss combination for water-based drilling fluid system(s) comprising: a first amount of alkali metal silicate; a second amount of water insoluble particulate; and, a quantity of water...
|
|
|
7219728 |
Method and apparatus for generating downhole power
A system that is usable with a subterranean well includes a first tubular member that is adapted to receive a flow of a first fluid. The system includes a second tubular member that is located in...
|
|
|
7185699 |
Water compatible hydraulic fluids
A composition for use in an oil chamber of a tool includes a hydraulic oil; and a surfactant, wherein the surfactant is present at an amount sufficient to form micelles in the hydraulic oil. The...
|
|
|
7172703 |
Method of reclaiming a well completion brine solutions using an organic chelant
A method of reclaiming a well completion brine solution by using an organic chelant that is capable of discriminating between (i) iron and/or non-zinc heavy metals; and (ii) calcium and zinc. The...
|
|
|
7144512 |
Method of reclaiming brine solutions using an organic chelant
A method of reclaiming a well completion brine solution by using an organic chelant that is capable of discriminating between (i) iron and non-zinc heavy metals; and (ii) calcium and zinc. The...
|
|
|
6926836 |
Treatment of iron sulphide deposits
Treating a water system containing or in contact with a metal sulphide scale to inhibit, prevent, reduce, dissolve or disperse iron sulphide deposits. A solution of tris(hydroxyorgano)phosphines...
|
|
|
6820689 |
Method and apparatus for generating pollution free electrical energy from hydrocarbons
The present invention relates to the generation of substantially pollution free energy by utilizing hydrocarbons to create electrical energy for interconnection to local transmission lines...
|
|
|
6250391 |
Producing hydrocarbons from well with underground reservoir
A method of extracting liquid hydrocarbons from geological formations having a reduced or low liquid hydrocarbon flow rate utilizing a wellbore extending downwardly from the surface of the ground...
|
|
|
6131657 |
Method for preventing or inhibiting metal deposition
A method for inhibiting or preventing the deposition of metals onto metallic surfaces, particularly the metal surfaces in an oil or gas well is disclosed.
|
|
|
6026900 |
Multiple liner method for borehole access
A method is provided for supporting and sealing structure defining a generally cylindrical hole while introducing and removing devices from the hole. A first flexible liner is installed in the hole...
|
|
|
5884700 |
Interior coating of gas well tubing
A method and apparatus for treating the production tubing string of a flowing gas well is disclosed. The method includes introducing treatment fluid into the wellhead end of the production tubing...
|
|
|
5787983 |
Methods of delaying well destruction due to subsidence
The present invention provides methods of delaying the destruction of a well as a result of the movement of a subsiding subterranean rock formation penetrated by the well bore. In accordance with...
|
|
|
5535826 |
Well-head structures
This invention relates to well-head structures, and particularly to so-called christmas trees, i.e. the complex of valves and pipes installed at a well-head to control the flow of high pressure oil...
|
|
|
5403493 |
Noncorrosive scale inhibitor additive in geothermal wells
An aqueous scale inhibitor product is corrosive to the elongated feed lines of a geothermal well due to the length of such feed lines, extended residence time of the product therein, and/or the...
|
|
|
5277823 |
Silica scale inhibition
A method for inhibiting silica scale formation in aqueous systems using selected low molecular weight (meth)acrylic or maleic acid based copolymers or terpolymers, magnesium ion alone, or the...
|
|
|
5207919 |
Metal ion complexes for use as scale inhibitors
Complex molecules of phosphonic acid ligands and transition metal ions are found to be surprisingly good at inhibiting and even preventing scale in aqueous solutions, crude oils, aqueous production...
|
|
|
5112496 |
Methods for inhibition of scale in high brine environments
A method for inhibiting oilfield scale formation including calcite in a high brine environment comprises introducing an effective amount of a scale inhibiting composition to a high brine...
|
|
|
4937002 |
Interpolymers for barium sulphate inhibition
The present invention provides a method for treating aqueous systems to reduce or prevent the deposition of barium sulphate and other insoluble sulphates therein, comprising the addition to the...
|
|
|
4923617 |
Process for inhibiting scale formation
A process for inhibiting the formation of scale in process equipment and conduits that form because of the presence of scale forming salts present in process fluids flowing therein is provided. In...
|
|
|
4898677 |
Process for inhibiting scale formation and modifying the crystal structure of barium sulfate and other inorganic salts
The deposition of scale-imparting precipitates in aqueous media containing significant amounts of barium sulfate and other scale forming salts (e.g., calcium carbonate and calcium sulfate) is...
|