| Patent Number |
Title Of Patent |
Date Issued |
| 7343973 |
Methods of stabilizing surfaces of subterranean formations |
March 18, 2008 |
| A method of treating a subterranean formation or of stabilizing a surface within a subterranean fracture comprising: providing a treatment fluid comprising lightweight proppant at least partially coated with an adhesive substance; introducing the treatment fluid into a portion of a s |
| 7341117 |
Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
March 11, 2008 |
| 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 assembly for constructing a monodiameter wellbore |
| 7341106 |
Methods for wellbore strengthening and controlling fluid circulation loss |
March 11, 2008 |
| 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 carrier fluid in the wellbore. The method furthe |
| 7341104 |
Methods of using substantially hydrated cement particulates in subterranean applications |
March 11, 2008 |
| 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 frac |
| 7341103 |
Compositions and methods for treating subterranean formations with liquefied petroleum gas |
March 11, 2008 |
| The present invention relates to gelled fluids and methods for using liquefied petroleum gas in subterranean operations. More particularly, the present invention relates to servicing fluids that comprise gelled liquefied petroleum gas or servicing fluids that comprise a conventional |
| 7339852 |
Seismic acquisition system |
March 4, 2008 |
| A seismic acquisition system comprising a remote-controlled buoy for conducting seismic acquisition operations. The buoy comprises an operating system for operating a seismic wave production device on the buoy, a placement system, a communications system, and dynamic position locatin |
| 7339494 |
Acoustic telemetry transceiver |
March 4, 2008 |
| One embodiment includes an apparatus that includes a piezoelectric transducer to generate an acoustic signal that is to modulate along a mandrel, wherein the piezoelectric transducer includes at least one piezoelectric element and at least one electrode that is without non-permanent |
| 7338925 |
Zeolite compositions having enhanced compressive strength |
March 4, 2008 |
| Wellbore treating fluids that include zeolite, an activator, and an organic acid or salt thereof are provided. |
| 7338923 |
Settable drilling fluids comprising cement kiln dust |
March 4, 2008 |
| Settable drilling fluids that comprise an aqueous-based drilling fluid and cement kiln dust. Methods of cementing in a subterranean formation that comprise providing a settable drilling fluid comprising an aqueous-based drilling fluid and cement kiln dust, introducing the settable drilli |
| 7337852 |
Run-in and retrieval device for a downhole tool |
March 4, 2008 |
| A run-in and retrieval device for a downhole tool comprises a first set of lugs disposed on a first component of the device connected to a tool string, and a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs |
| 7337846 |
Surface controlled subsurface lateral branch safety valve |
March 4, 2008 |
| A surface controlled subsurface lateral branch safety valve provides flow control for each branch wellbore in a multilateral well. In a described embodiment, a completion system for a well having an intersection between parent and branch wellbores includes an apparatus having multiple |
| 7337844 |
Perforating and fracturing |
March 4, 2008 |
| In a system and method of fracturing a subterranean formation, fluid for perforating is received in a downhole tool through a tubing string, the downhole tool residing in a wellbore. A wall of the wellbore is perforated proximate the downhole tool. A fluid for fracturing is received |
| 7337842 |
Methods of using cement compositions comprising high alumina cement and cement kiln dust |
March 4, 2008 |
| The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the cement composition; |
| 7337841 |
Casing comprising stress-absorbing materials and associated methods of use |
March 4, 2008 |
| The present invention relates to subterranean drilling and well completion operations, and more particularly, to improved casing that comprises stress-absorbing materials and associated methods of use. In some embodiments, the present invention discloses methods of casing a well bore |
| 7337840 |
One trip liner conveyed gravel packing and cementing system |
March 4, 2008 |
| A well completion assembly including apparatus for gravel packing and cementing in a single trip. An outer assembly comprises: a liner and screen; a valved gravel packing port; upper and lower valved cementing ports; and seal bores positioned below and above the gravel packing port a |
| 7337660 |
Method and system for reservoir characterization in connection with drilling operations |
March 4, 2008 |
| A method for analyzing reservoir fluids in connection with a drilling operation includes determining composition and isotopes of injection fluids injected into a wellbore during a drilling operation and production fluids recovered from the wellbore during the drilling operation. Rese |
| 7336199 |
Inductive coupling system |
February 26, 2008 |
| An inductive coupling system including a mandrel and an inner sleeve and outer housing that surround and rotate relative to the mandrel. The system also includes a mandrel electronics system and a housing electronics system that communicate electronically using a mandrel inductive co |
| 7335252 |
Lightweight settable compositions comprising cement kiln dust |
February 26, 2008 |
| Settable compositions that comprise water, CKD, and microspheres, wherein the lightweight settable composition has a density less than about 13 pounds per gallon. Methods of cementing that comprise providing a lightweight settable composition having a density less than about 13 pound |
| 7334652 |
Roller cone drill bits with enhanced cutting elements and cutting structures |
February 26, 2008 |
| Roller cone drill bits are provided with cutting elements and cutting structures optimized for efficient drilling of soft and medium formations interspersed with hard stringers. The cutting elements and cutting structures may be satisfactorily used to drill downhole formations with v |
| 7334649 |
Drilling with casing |
February 26, 2008 |
| A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14, 110, which may offset at a selected bend angle. A bend for directional drilling may be provided by a PDM, or by a RSD. A gauge section 36 secured to the pilot bit 18 has a uniform diameter beari |
| 7334640 |
Methods for reducing the viscosity of treatment fluids |
February 26, 2008 |
| Methods 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 |
| 7334638 |
Methods of improving the shelf life of a cement composition comprising a coated gas-generating m |
February 26, 2008 |
| According to various embodiments, methods of increasing a shelf life of a gas-generating material comprise: including a C.sub.8-C.sub.18 hydrocarbon in a mixture used to coat the gas-generating material. This gas-generating material may be used in a cement composition to generate gas |
| 7334637 |
Assembly and method for determining thermal properties of a formation and forming a liner |
February 26, 2008 |
| A method comprises heating a formation adjacent a selected depth level within a wellbore extending into the formation, forming a temporary liner in the wellbore, measuring a first temperature of the formation at the selected depth level at a first time after heating the formation, me |
| 7334636 |
Methods of creating high-porosity propped fractures using reticulated foam |
February 26, 2008 |
| One embodiment of the prevent invention provides a method of creating a high porosity propped fracture comprising creating a slurry comprising a treatment fluid, proppant particulates, pieces of reticulated foam having cells, and an adhesive substance such that the adhesive substance at |
| 7334635 |
Methods for fracturing subterranean wells |
February 26, 2008 |
| 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 |
| 7332094 |
Irradiation system and methods of treating fluids in hydrocarbon industry applications |
February 19, 2008 |
| A method comprises rendering a hydrocarbon industry servicing fluid biologically inert without using chemical biocides. One method of rendering a hydrocarbon industry servicing fluid biologically inert comprises irradiating at least one constituent of the servicing fluid to produce a |
| 7332026 |
Cementitious compositions containing interground cement clinker and zeolite |
February 19, 2008 |
| Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. |
| 7331390 |
Compositions and methods for plugging and sealing a subterranean formation |
February 19, 2008 |
| The invention provides for a composition for treating a subterranean formation, the composition comprising: a) a crosslinkable water-soluble polymer comprising at least one acylated amine unit; and b) a crosslinkable water-soluble polymer comprising a functional group selected from t |
| 7331389 |
Re-use of recovered treating fluid |
February 19, 2008 |
| Treating fluid production and subterranean formation treating methods as well as treating fluid compositions that reuse at least part of a prior treating fluid, particularly a fluid having one or more constituents that can be relinked. This includes conditioning a selected at least parti |
| 7328750 |
Sealing plug and method for removing same from a well |
February 12, 2008 |
| A tool and a method for sealing a casing or a wellbore according to which a device is supported on a mandrel and expands into engagement with the casing or the wellbore. An explosive cutter is also supported on the mandrel and is adapted to explode to cut the mandrel and the device and |
| 7328744 |
Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids |
February 12, 2008 |
| In one embodiment, a method of treating a subterranean formation is provided comprising the steps of providing a gelled liquid hydrocarbon treatment fluid comprising a liquid hydrocarbon and a gelling agent that comprises a polyvalent metal salt of an organophosphonic acid ester or a |
| 7326291 |
Cementitious compositions containing interground cement clinker and zeolite |
February 5, 2008 |
| Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. |
| 7325629 |
Method and system for processing oil and gas well cuttings utilizing existing slurry processing |
February 5, 2008 |
| A method for integrating a batch cement process with a cuttings reinjection process, the method comprising: equipping a batch cement skid with a particle classifier and a grinding pump, such that the batch cement skid sequentially implements the cuttings reinjection process and the b |
| 7325615 |
Viscosified treatment fluids comprising polycarboxylic acid gelling agents and associated method |
February 5, 2008 |
| Novel polycarboxylic acid copolymer gelling agents and viscosified treatment fluids comprising these gelling agents, and their associated methods of use and manufacture are provided. In one embodiment, a method comprising: providing a viscosified treatment fluid comprising an aqueous |
| 7325613 |
Crosslinkable polymer compositions comprising phenols and associated methods |
February 5, 2008 |
| Crosslinkable-polymer compositions that comprise a chitosan-based compound and a phenol source, and associated methods, are provided. Various methods of use are also provided. In one embodiment, the methods comprise providing a crosslinkable-polymer composition comprising an aqueous |
| 7325611 |
Cement compositions for reducing gas or water migration and methods of using the same |
February 5, 2008 |
| A method of cementing a wellbore comprising preparing a cement composition comprising a water-soluble aromatic sulfonated polymer, and placing the cement composition into the wellbore, wherein the cement composition develops a compressive strength of greater than about zero in less time |
| 7325608 |
Methods of hydraulic fracturing and of propping fractures in subterranean formations |
February 5, 2008 |
| Methods that comprise: providing a carrier fluid comprising a delayed breaker; providing a plurality of proppant aggregates comprising a binder fluid and a filler material; suspending the plurality of proppant aggregates in the carrier fluid; introducing the carrier fluid into the su |
| 7325607 |
Methods and systems for using high-yielding non-Newtonian fluids for severe lost circulation pre |
February 5, 2008 |
| A system and method to model and analyze the mixing energies of high-yielding non-Newtonian fluids to prevent chemical lost circulation. Laboratory tests are performed under varying conditions from which data on the mixing energies needed to optimize the use of high-yielding non-Newt |
| 7325605 |
Flexible piezoelectric for downhole sensing, actuation and health monitoring |
February 5, 2008 |
| Thin flexible piezoelectric transducers are bonded to or imbedded into oilfield tubular members or structural members. The transducers may be used to telemeter data as acoustic waves through the members. By proper spacing of transducers and phasing of driving signals, the transmitted |
| 7324010 |
Acoustic telemetry systems and methods with surface noise cancellation |
January 29, 2008 |
| Acoustic telemetry systems and methods with surface noise cancellation. One illustrative embodiment may include an acoustic telemetry system comprising a transmitter configured to generate an acoustic information signal that propagates along a drillstring, and a receiver configured to |
| 7322432 |
Fluid diverter tool and method |
January 29, 2008 |
| The present invention relates to a diverter tool used in a pipe string used to lower a liner and a cutting apparatus on the end thereof into a partially cased wellbore. The diverter tool has a diverter body that defines a longitudinal flow passage and has the diverter ports defined t |
| 7322416 |
Methods of servicing a well bore using self-activating downhole tool |
January 29, 2008 |
| A method of servicing a well bore comprises deploying into the well bore a zonal isolation device operable to self-set at a sensed location, and self-setting the zonal isolation device to hold at the sensed location without receiving command communications from the surface, wherein the |
| 7322414 |
Crosslinkable-polymer compositions and associated methods |
January 29, 2008 |
| Crosslinkable-polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable-polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a |
| 7322413 |
Equalizer valve assembly |
January 29, 2008 |
| A method for controlling a fluid pressure applied to a cementing plug comprises disposing the cementing plug within a casing string to define a trapped volume of fluid within the casing string, isolating a portion of the trapped volume of fluid adjacent the cementing plug to define an |
| 7322412 |
Casing shoes and methods of reverse-circulation cementing of casing |
January 29, 2008 |
| A method having the following steps: running a circulation valve comprising a reactive material into the well bore on the casing; reverse-circulating an activator material in the well bore until the activator material contacts the reactive material of the circulation valve; reconfigu |
| 7321293 |
Integrated magnetic ranging tool |
January 22, 2008 |
| An improvement in a tool of the type which is adapted for connection into a drilling string, which tool is adapted to perform a function in the drilling string as a first function. The improvement is a magnetic field source incorporated with the tool so that the tool is adapted to perfor |
| 7320730 |
Subterranean fluids and methods of using these fluids in subterranean formations |
January 22, 2008 |
| Subterranean fluids comprising a hydraulic cement in an invert emulsion, and methods of using such fluids in subterranean well cementing operations, are provided. The fluids comprise a hydraulic cement and an invert emulsion of oil, water, and a surfactant. Optionally, other ingredie |
| 7320373 |
One-step directional coring or drilling system |
January 22, 2008 |
| An assembly for sidetracked drilling in a wall of a borehole previously drilled or cored in a formation includes a guide element and an expansible device fixed to the front end of the guide element operable to be selectively expanded by an actuation means. A sidetracking channel is f |
| 7320367 |
Annular isolators for expandable tubulars in wellbores |
January 22, 2008 |
| The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the tubing, the seal is |
| 7320366 |
Assembly of downhole equipment in a wellbore |
January 22, 2008 |
| A system and method for assembly of downhole equipment in a subterranean well. In a described embodiment, a method of assembling an apparatus in a subterranean well includes the steps of: positioning an expandable shell in the well; expanding the shell in the well; and then interconnecti |
