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1737results about "Liquid/gas jet drilling" patented technology
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Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strength
InactiveUS6601662B2Improve wear resistanceMaintain strengthDrill bitsConstructionsDiamond crystalPolycrystalline diamond
Owner:REEDHYCALOG UK
High volume density polycrystalline diamond with working surfaces depleted of catalyzing material
InactiveUS6861137B2Improve wear resistancePigmenting treatmentDrill bitsDiamond crystalPolycrystalline diamond
Disclosed is a method for manufacturing a polycrystalline diamond or diamond-like element with greatly improved wear resistance without loss of impact strength. These elements are formed with a binder-catalyzing material in a high-temperature, high-pressure (HTHP) process. The PCD element has a body with a plurality of bonded diamond or diamond-like crystals forming a continuous diamond matrix that has a diamond volume density greater than 85%. Interstices among the diamond crystals form a continuous interstitial matrix containing a catalyzing material. The diamond matrix table is formed and integrally bonded with a metallic substrate containing the catalyzing material during the HTHP process. The diamond matrix body has a working surface, where a portion of the interstitial matrix in the body adjacent to the working surface is substantially free of the catalyzing material, and the remaining interstitial matrix contains the catalyzing material. Typically, less than about 70% of the body of the diamond matrix table is free of the catalyzing material.
Owner:REEDHYCALOG UK
Polycrystalline diamond partially depleted of catalyzing material
Owner:REEDHYCALOG UK
Methods of forming a chemical casing
InactiveUS6848519B2High mechanical strengthInhibit migrationLiquid/gas jet drillingFluid removalParticulatesCross-link
Methods of forming chemical casings include drilling a well bore with a drilling fluid having a pH in the range of from about 6 to 10 and comprising water, a water soluble or water dispersible polymer which is capable of being cross-linked by a thermoset resin and causing the resin to be hard and tough when cured, a particulate curable solid thermoset resin, a water soluble or dispersible thermoset resin, and a delayed dispersible acid-catalyst for curing the solid thermoset resin and the water soluble thermoset resin, whereby the drilling fluid forms a filter cake on the walls of the wellbore that cures into a hard and tough cross-linked chemical casing thereon.
Owner:HALLIBURTON ENERGY SERVICES INC
Well treatment fluid and methods with oxidized polysaccharide-based polymers
The present invention provides a well treatment fluid containing water, a amine-based polymer, and an oxidized polysaccharide-based polymer. The oxidized polysaccharide-based polymer is able to crosslink with the amine-based polymer and produce a gel having a viscosity of greater than about 20 cp, measured at a pH of about 4 to about 7 and at STP. The present invention also provides a method of treating a subterranean formation penetrated by a wellbore comprising the steps of: (a) forming the well treatment fluid, and (b) contacting the subterranean formation with the fluid.
Owner:HALLIBURTON ENERGY SERVICES INC
Method to detect formation pore pressure from resistivity measurements ahead of the bit during drilling of a well
ActiveUS20100000791A1Risk minimizationReduce riskElectric/magnetic detection for well-loggingSurveyWell drillingRegion of interest
Methods are described using resistivity ahead of a drill bit measurements obtained while drilling a subterranean well using a drilling mud. Resistivity data ahead of the bit is gathered during drilling and prior to penetrating a region of interest of a known subterranean formation using the drill bit and the drilling mud. The drill string progresses at known dip and azimuth angles toward the subterranean formation. The resistivity data is used to determine pore pressure ahead of the drill bit in the formation as a function of resistivity ahead of the drill bit in the formation while the drill bit advances toward but before the bit penetrates the formation while drilling. In certain embodiments, the methods include redirecting the drill bit while drilling toward locations in the formation where pore pressure is within an acceptable range. In other embodiments, a drilling mud parameter is adjusted based on the pore pressure in front of the bit.
Owner:BP CORP NORTH AMERICA INC
Zeolite-containing drilling fluids
Methods and compositions for wellbore treating fluids, especially drilling fluids, that comprise zeolite and a carrier fluid.
Owner:HALLIBURTON ENERGY SERVICES INC
Methods of consolidating formations
InactiveUS6837316B2High mechanical strengthSimple methodLiquid/gas jet drillingFluid removalCross-linkWater soluble
Methods of consolidating formations include drilling a well bore with a drilling fluid that comprises water, a polymeric cationic catalyst which is adsorbed on minerals and rocks in weak unconsolidated zones or formations and then further contacting the unconsolidated formation with a treating fluid comprising a water soluble or dispersible polymer which is cross-linked by a thermoset resin and causes the resin to be hard and tough when cured, and a water soluble or dispersible thermoset resin which cross-links the polymer, is catalyzed and cured by the catalyst and consolidates the weak zone or formation so that sloughing is prevented.
Owner:HALLIBURTON ENERGY SERVICES INC
Localized fracturing system and method
A method and apparatus useful for fracturing subterranean formations with ultra high fluid pressure. The apparatus is capable of producing isolated pressure in a formation surrounding a primary wellbore, sufficient pressure is included within the formation for creating a fracture at the edge of the perforation. The apparatus is comprised of a motor, pump, and nozzle, where the entire apparatus can be disposed within the borehole. The apparatus can be conveyed within the borehole via wireline, coil tubing, slickline, or other tubing. Alternatively, a drill bit can be included for creating the perforation just prior to the fracturing procedure.
Owner:BAKER HUGHES HLDG LLC
Sand aggregating reagents, modified sands, and methods for making and using same
ActiveUS7350579B2Improve propertiesImprove adhesionLiquid/gas jet drillingFluid removalMaterials scienceReagent
Owner:THE LUBRIZOL CORP
Aggregating reagents, modified particulate metal-oxides, and methods for making and using same
ActiveUS7392847B2Improved self-aggregating propertyIncrease propensityBiocideLiquid/gas jet drillingParticulate metalMaterials science
A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The methods and treated materials are ideally suited for oil field applications.
Owner:THE LUBRIZOL CORP
Aggregating reagents, modified particulate metal-oxides, and methods for making and using same
ActiveUS20070131425A1Improved self-aggregating propertyIncrease propensityBiocideLiquid/gas jet drillingParticulate metalMaterials science
A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The methods and treated materials are ideally suited for oil field applications.
Owner:THE LUBRIZOL CORP
Method and apparatus for drilling a borehole with a borehole liner
A method for drilling a borehole includes; providing a drill string of drill pipe including a center bore, a distal end, a bit assembly at the distal end; hanging a liner from the drill string, thereby forming an annular space between the drill string and the liner and with the bit assembly extending from a lower end of the liner; positioning the drill string with the liner attached thereto in a borehole such that a second annular space is formed between the liner and the borehole wall; operating the bit assembly to proceed with drilling the borehole; and circulating drilling fluid down through the center bore of the drill string out through the bit assembly and down through the second annular space between the liner and the borehole wall, the drilling fluid returning up through the annular space between the drill string and the liner.
Owner:TESCO CORPORATION +1
Well treatment with dissolvable polymer
InactiveUS20060157248A1Ease and flexibility for subsequent completion processEasy to processInsulationLiquid/gas jet drillingPolyvinyl alcoholDissolution
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 polymer deposit. The method is disclosed for filter cake formation, fluid loss control, drilling, hydraulic fracturing and fiber assisted transport, where removal of the polyol at the end of treatment or after treatment is desired. The method is also disclosed for providing dissolved polyol as a delayed breaker in crosslinked polymer viscosified systems and viscoelastic surfactant systems. Also disclosed are well treatment fluids containing insoluble amorphous or at least partially crystalline polyol, and a PVOH fiber composition wherein the fibers are stabilized from dissolution by salinity.
Owner:SCHLUMBERGER TECH CORP
Methods of drilling and completing well bores
Methods of drilling and completing open hole well bores and methods of removing filter cake comprised of a gelling agent and calcium carbonate are provided. A method of the invention for removing filter cake comprised of a gelling agent and calcium carbonate from the walls of an open hole well bore is basically comprised of the steps of contacting the filter cake with a delayed clean-up solution comprised of water and a formate ester and removing the clean-up solution from the well bore.
Owner:HALLIBURTON ENERGY SERVICES INC
Drillable drill bit nozzle
InactiveUS6848517B2Thin structureImprove corrosion resistanceDrill bitsDrilling rodsHigh resistanceRubber material
A drill bit nozzle providing a through bore for the passage of drilling fluid through a drill bit. The nozzle is made of a material or materials which can be drilled through by standard well bore drilling equipment. The material(s) are selected to provide a surface to the through bore which has a relatively high resistance to erosion to withstand the abrasive and corrosive impact of jetted drilling fluid. Embodiments are described using a hard chrome / copper combination and a single rubber material.
Owner:WEATHERFORD TECH HLDG LLC
Subterranean treatment fluids and methods of treating subterranean formations
The present invention relates to bridging agents for use in subterranean formations, to well drill-in and servicing fluids comprising such bridging agents, and to methods of using such bridging agents and well drill-in and servicing fluids in subterranean drilling operations. An example of a well drill-in and servicing fluid of the present invention comprises a viscosified fluid, a fluid loss control additive, and a bridging agent comprising a degradable material.
Owner:HALLIBURTON ENERGY SERVICES INC
Drilling Fluid Additive for Reducing Lost Circulation in a Drilling Operation
ActiveUS20100193244A1Improve performanceReducing and controlling lost circulationDrilling rodsDerricks/mastsWaxWell drilling
Generally, the present invention provides drilling fluid additives for reducing or controlling lost circulation in a drilling operation. The additives comprises particles. The particles comprise one or more solids in association a wax or waxy substance. A drilling fluid comprising a drilling fluid additive of the invention is also provided, as well as a method and use of the drilling fluid additive in a drilling operation to reduce or control lost circulation. Methods for manufacturing the drilling fluid additives are also described.
Owner:CANADIAN ENERGY SERVICES LP
Filter cake degradation compositions and methods of use in subterranean operations
InactiveUS7195068B2Cleaning apparatusLiquid/gas jet drillingAcid derivativeHydrogen peroxide degradation
The present invention relates to methods and compositions for degrading filter cakes in subterranean formations, and more specifically, to improved methods and compositions for degrading filter cakes that comprise acid-soluble portions and polymeric portions. In one embodiment, the present invention provides a method of degrading a filter cake comprising an acid-soluble portion and a polymeric portion in a subterranean formation comprising the steps of: introducing a filter cake degradation composition comprising a delayed-release acid component and a delayed-release oxidizer component to a well bore penetrating the subterranean formation; allowing the delayed-release acid component to release an acid derivative and the delayed-release oxidizer component to release an acid-consuming component; allowing the acid-consuming component to interact with the acid derivative to delay a reaction between at least a portion of the acid derivative and at least a portion of the acid-soluble portion of the filter cake and to produce hydrogen peroxide; allowing the acid derivative to degrade at least a portion of the acid-soluble portion of the filter cake after a delay period; and allowing the hydrogen peroxide to degrade at least a portion of the polymeric portion of the filter cake.
Owner:HALLIBURTON ENERGY SERVICES INC
Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion
Owner:BAKER HUGHES HLDG LLC
Treatment fluids and methods of use in subterranean formations
The present invention relates to subterranean treatment operations. More particularly, the present invention relates to improved treatment fluids and methods of using such improved treatment fluids in subterranean formations. An example of a method of the present invention is a method of treating a subterranean formation. Another example of a method of the present invention is a method of drilling in a subterranean formation. Another example of a method of the present invention is a method of degrading a filter cake in a subterranean formation. An example of a composition of the present invention is a treatment fluid comprising a degradable diverting agent. Another example of a composition of the present invention is a degradable diverting agent for use in a subterranean treatment fluid.
Owner:HALLIBURTON ENERGY SERVICES INC
Zeolite-containing remedial compositions
Methods and compositions for wellbore treating fluids, especially remedial compositions such as pills, that include zeolite and at least one carrier fluid.
Owner:HALLIBURTON ENERGY SERVICES INC
Jet drilling spray nozzle
InactiveCN104832093ASimple structureReduce volumeLiquid/gas jet drillingWell drillingCapillary Tubing
A jet drilling spray nozzle comprises a spray nozzle body. A spray hole set is formed in the top of the spray nozzle body and comprises a plurality of jetting spray holes evenly distributed in the same circumference and obliquely arranged. The jet drilling spray nozzle is simple in structure and small in size, radial water conservancy jetting operation can be easily performed through an underground guiding tool, and the jet drilling spray nozzle can also be applied to cleaning and plugging a capillary tube. Due to the arranged spray hole set, spiral jetting is formed in a hole channel, the effects of forming striking breakage, shearing breakage and stretching breakage are formed, the rock breaking angle and the rock breaking range are increased, the rock breaking effect is improved, the reacting force in the axial direction is greatly reduced, and the self-advancing capacity of the spray nozzle is improved.
Owner:JEREH ENERGY SERVICES
Compositions for restoring lost circulation
InactiveUS6861392B2Prevent materialReduce lossesScale removal and water softeningLiquid/gas jet drillingMedicineLost circulation
A method and composition is provided for sealing a subterranean zone penetrated by a well bore to restore lost circulation. In one embodiment, the composition comprises a pellet comprising a mixture of lost circulation materials (LCMs).
Owner:HALLIBURTON ENERGY SERVICES INC
Screens for vibratory separators
InactiveUS6510947B1Material is facilitatedShorten the timeSievingScreeningElectrical and Electronics engineeringEngineering
A screen assembly and methods for using it, the screen assembly including, in certain aspects, at least two layers of screening material one on top of the other and including at least a first layer over a second layer, each layer having screen mesh with rectangular openings as viewed from above, the first layer having first rectangular openings, and the second layer having second rectangular openings, each of the first rectangular openings having a first width and a first length, and each of the second rectangular openings having a second width and a second length, the ratio of the first length to the first width ranging between 1.55 and 2.00, the ratio of the second length to the second width ranging between 1.55 and 2.00, the ratio of the first length to the second width ranging between 0.95 and 1.05, and the lengths of the first rectangular openings are parallel to lengths of the second rectangular openings.
Owner:VARCO I P INC
Compositions and methods for inhibiting lost circulation during well operations
InactiveUS20100230169A1Reducing lost circulationReduce circulationLiquid/gas jet drillingFlushingDolomiteEnvironmental geology
Drilling fluid additive compositions are provided for use with synthetic, oil based, or water based drilling fluids. The combined additive and drilling fluid are effective for reducing lost circulation, seepage loss as well as wellbore strengthening and / or wellbore lining. The method includes injecting the drilling fluid and 0.01 or more pounds per barrel of a loss control additive including ground and sized pumice, barite or dolomite.
Owner:POMERLEAU DANIEL GUY
Methods of using wellbore sealant compositions containing cationic latexes
Owner:HALLIBURTON ENERGY SERVICES INC
In-hole drilling tool integrating drilling, slotting and punching coal seam and using method thereof
InactiveCN101532391AGuaranteed cleanlinessAvoid enteringDrill bitsLiquid/gas jet drillingHigh pressure waterHigh pressure
The invention discloses an in-hole drilling tool integrating drilling, slotting and punching a coal seam and a using method thereof. The in-hole drilling tool comprises a water supple device or an air supple device, a high-pressure sealing drill pipe, a slotting and punching valve and a drill bit. The water supply device and the air supply device are connected with the high-pressure sealing drill pipe at an orifice. The slotting and punching valve is installed between the high-pressure sealing drill pipe and the drill bit. The in-hole drilling tool is essentially used for drilling and anti-reflective outburst eliminating after drilling of soft outburst coal seam. The using method is as follows: after the drilling construction is finished, a water supplier with a pressure release valve is used for starting a high-pressure pumping station to improve the pressure and the flux for water supply; high-pressure water current at the pumping station drives the slotting and punching valve to act for closing an axial liquid passage and opening a radial liquid passage; and high-pressure jet current realizes slotting or punching through a cutting nozzle or a punching nozzle. The invention has novel design and easy operation, is safe and reliable, improves the outburst elimination efficiency and realizes the integrated operation of drilling, slotting or punching and outburst eliminating.
Owner:HENAN POLYTECHNIC UNIV
Method apparatus and for hydraulic jet side drilling radial branching borehole
ActiveCN101429848AAccurate and convenient to fixEasy to fixLiquid/gas jet drillingDirectional drillingWell drillingMarket potential
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
System and Method for Drilling a Borehole
A system and method is provided for drilling a wellbore including a rotary drill bit with a bit body having a plurality of mechanical cutters to cut away formation material as the wellbore is formed; and a directed energy mechanism to direct energy into the formation such that energy from the directed energy mechanism causes fracturing of surrounding material to facilitate drilling in the direction of the directed energy.
Owner:SCHLUMBERGER TECH CORP
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