| Document |
Document Title |
|
7448450 |
Methods and compositions for cementing, especially drilling fluids that comprise zeolite and a carrier fluid, and cementing compositions made with such drilling fluids.
|
|
7350576 |
Methods for using rapid setting plugging compositions comprising oil, clay, magnesium chloride, and magnesium oxide powder to seal permeable zones in subterranean formations are provided. The permeable zones may be sealed by passing the ...
|
|
7343985 |
A solid body contains a surfactant and crushed walnut hulls. The solid body is shaped to predetermined dimensions that permit passage through the central interior opening of drill pipe. The solid body dissolves in drilling mud for delive...
|
|
7341106 |
A sealant composition and methods for using the same are disclosed. In an embodiment, a method of servicing a wellbore in contact with a subterranean formation is disclosed. The method comprises placing a sealing agent and a nonaqueous c...
|
|
7311158 |
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 m...
|
|
7279445 |
A method of increasing shale formation stability with a water based drilling fluid, the method including: delivering to the shale formation a drilling fluid formulated to include an aqueous fluid; a first reactant which is a soluble mono...
|
|
7225879 |
An assembly and methods for constructing a MONOWELL includes a monodiameter casing disposed in a monodiameter wellbore having diametric efficiency with a monobore production delivery system disposed within the monodiameter casing. An ass...
|
|
7204310 |
Settable drilling fluids comprising an aqueous-based drilling fluid and cement kiln dust. Methods of cementing in a subterranean formation comprising: providing a settable drilling fluid comprising an aqueous-based drilling fluid and cem...
|
|
7152697 |
A method of controlling and delaying the inversion of a drilling fluid and the wettability of a filtercake by using a delayed phase changing agent. The filtercake is preferably formed while drilling a subterranean formation using a drill...
|
|
7150321 |
Methods and compositions for wellbore treating fluids, especially settable spotting fluids, that include zeolite and at least one carrier fluid.
|
|
7147067 |
Methods and compositions for wellbore treating fluids, especially drilling fluids, that comprise zeolite and a carrier fluid.
|
|
7140439 |
Methods and compositions for wellbore treating fluids, especially remedial compositions such as pills, that include zeolite and at least one carrier fluid.
|
|
7134496 |
Single phase microemulsions improve the removal of filter cakes formed during drilling with invert emulsions. The single phase microemulsion removes oil and solids from the deposited filter cake. Optionally, an acid capable of solubilizi...
|
|
7063176 |
A method of increasing shale formation stability with a water based drilling fluid, the method including: delivering to the shale formation a drilling fluid formulated to include an aqueous fluid; a first reactant which is a soluble mono...
|
|
7059805 |
The process for environmental pacification of drill cuttings which contain drilling fluid residue is characterized by mixing said cuttings with dehydrated limestone coke ash in the presence of water. Upon mixing the drilling fluid residu...
|
|
7055628 |
A well drilling method comprises removing the drilling cuttings using an aqueous drilling fluid such as a foam including a foaming agent which includes at least one mono-(aliphatic hydrocarbyl) phosphate ester. More specifically, the dri...
|
|
7048053 |
Zeolite compositions having enhanced compressive strength and methods therefor are provided. In particular, methods and compositions for wellbore treating fluids, especially settable spotting fluids having enhanced compressive strength a...
|
|
7036588 |
Methods and compositions relating to fluid loss control operations are provided. Examples of compositions may comprise ceramic particulate bridging agents and improved fluid loss control additives, and methods of using those compositions...
|
|
7013995 |
A method and materials for stabilizing a wellbore against excess fluid pressure is described. It comprises forming or placing a flexible and essentially impermeable lining on or in the wellbore wall. The flexibility of the lining ensures...
|
|
6997270 |
A method is disclosed that affords improved stability to wellbores during drilling in argillaceous formations with water-based drilling fluids. The method comprises adding to the drilling fluid a compound of the invention having the capa...
|
|
6981560 |
A method and apparatus for delivering a well treatment fluid to a productive zone of a subterranean formation at the same time that a well bore is being drilled is provided. The method includes the steps of delivering a drill-in fluid to...
|
|
6938707 |
A method and a system for minimizing circulating fluid return losses during drilling of a well bore are disclosed. Circulating fluid, or mud, is heated above conventional temperatures for circulating fluids. The heated circulating fluid ...
|
|
6881708 |
A method and composition is provided for sealing a subterranean zone penetrated by a well bore and restoring lost circulation, wherein the composition basically comprises a mixture of latex, melamine-formaldehyde resin, and a catalyst.
|
|
6857485 |
A water-base drilling fluid for use in drilling wells through a formation containing a shale which swells in the presence of water. The drilling fluid preferably includes: an aqueous based continuous phase, a weight material, and a shale...
|
|
6852675 |
A nutrient source for marine organisms comprising: drilling fluids containing organic contaminants; a solidification agent; a cell transport agent; and a cellulosic additive.
|
|
6848519 |
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-link...
|
|
6837316 |
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 furthe...
|
|
6835697 |
A method to significantly reduce mounding on the seafloor near oil drilling operations comprising the steps of: mixing drilling fluids with organic contaminates in a high shear mixer; adding a solidification agent which expands when hydr...
|
|
6831043 |
A water-base fluid for use in drilling wells and other drilling operation includes a shale clay which swells in the presence of water. The fluid preferably includes: an aqueous based continuous phase, and a shale hydration inhibition age...
|
|
6823940 |
Methods of consolidating unconsolidated weak zones or formations and 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 that comprises water, a polymeric cationi...
|
|
6809067 |
A composition for oil and gas drilling fluids containing organic contaminants comprising: a solidification agent; cell transport agent; a cellulosic additive; and wherein said composition comprises enough solidification agent to enable t...
|
|
6797676 |
A composition and method for treating oil and gas drilling fluids containing organic contaminants comprising: a solidification agent, and a cell transport agent; wherein the composition comprises enough solidification agent to enable the...
|
|
6797675 |
A composition and method for treating oil and gas drilling fluids containing organic contaminants comprising: a solidification agent and a cellulosic additive; and wherein the composition comprises enough solidification agent to enable t...
|
|
6772847 |
Methods and materials for chemically enhanced drilling of oil/gas wells are disclosed. The use of drilling fluids containing chemicals that dissolve formation constituents results in the creation of boreholes. Fluids containing acids suc...
|
|
6702044 |
Methods of consolidating formations or forming chemical casing or both while drilling are provided. One method of the invention comprises drilling a well bore with a drilling fluid comprised of water, a polymeric cationic catalyst which ...
|
|
6662871 |
A new composition for a spotting fluid and a method of using such spotting fluid for freeing differential stuck pipe in a subterranean well drilling operation is disclosed. The composition comprises an invert water-in-oil emulsion compri...
|
|
6655475 |
A product, system and method for treating a well bore using a concentrated treatment composition enclosed in a soluble container. The composition-filled container is deposited in the well, preferably through the drill string, followed by...
|
|
6609578 |
A water-base fluid for use in drilling wells and other drilling operation includes a shale which swells in the presence of water. The fluid preferably includes: an aqueous based continuous phase, and a shale hydration inhibition agent ha...
|
|
6508306 |
A method and composition is provided for sealing a subterranean zone penetrated by a well bore and restoring lost circulation, wherein the composition basically comprises a mixture of latex, melamine-formaldehyde resin, and a catalyst.
|
|
6485234 |
A tool for use with a rotatable drill shaft and a source of pressurized fluidized solidifying agent. The tool member has upper and lower extremities. A coupler is coupled to the upper extremity of the tool member and is adapted to be sec...
|
|
6484821 |
A water-base drilling fluid for use in drilling wells through a formation containing a shale which swells in the presence of water. The drilling fluid preferably includes: an aqueous based continuous phase, a weight material, and a shale...
|
|
6435276 |
A new composition for a spotting fluid and a method of using such spotting fluid for freeing differential stuck pipe in a subterranean well drilling operation is disclosed. The composition comprises an invert water-in-oil emulsion compri...
|
|
6390197 |
Methods of treating wells for cementing operations and for improving placement of cement in wells containing water swelling clays include treatment of the well with a fluid containing clay precipitating agents capable of coagulating clay...
|
|
6365053 |
A method for removing hydrogen sulfide in drilling mud comprises adding to the drilling mud which is circulated in a borehole a relatively sparingly soluble divalent iron salt having a solubility from 0.1 to 1000 ppm at room temperature ...
|
|
6289714 |
The method is used for locally testing underground soil contamination by determining the generation rate of a first contaminant fluid in porous soil. The method includes the steps of making a hole of known dimensions in the soil, with th...
|
|
6267186 |
The method for releasing the stuck pipe of the present invention uses a combination of components which oxidize the mud cake and generated gas bubbles to create an upward buoyancy for the oxidized mud cake. The spotting method of the pre...
|
|
6251288 |
A method of drilling a bore hole is described. A desiccant is added to a Hydrocarbon Based Fluid (Crude Oil--Refined Oil--Diesel Fuel--Mineral Oil--etc.) used as a drilling fluid to drill bore holes (Oil and Gas Wells--Mine Shafts--etc.)...
|
|
6247543 |
A water-base drilling fluid for use in drilling wells through a formation containing a shale which swells in the presence of water. The drilling fluid preferably includes: an aqueous based continuous phase, a weight material, and a shale...
|
|
6247358 |
Shale reactivity is evaluated by testing a preserved test plug of shale sample in a triaxial test machine, the test plug being prepared by collecting a downhole shale sample and keeping it all times immersed in a preserving mineral oil s...
|
|
6207114 |
The invention provides a permeable treatment wall comprising one or more high-permeability columns, as well as a methods for preparing such a permeable treatment wall.
|
