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8752624 Aqueous formulations of hydrophobically associating copolymers and surfactants and use thereof for mineral oil production  
A process for mineral oil production, in which an aqueous formulation comprising at least one water-soluble, hydrophobically associating copolymer (A) and at least one nonionic and/or anionic...
8752629 Autonomous inflow control device and methods for using same  
A valve assembly for regulating fluid flow in a horizontal wellbore. A housing can be coupled to a production tubular. A chamber is defined within the housing and can be in fluid communication...
8752653 Dual ball upper internal blow out preventer valve  
An internal blowout preventer used in drilling rigs for the discovery and production of hydrocarbons from the earth is disclosed. The internal blowout preventer has two independently and remotely...
8756016 Method and system to estimate fracture aperture in horizontal wells  
A method for estimating a fracture aperture in a formation penetrated by a well includes obtaining at least one of a vertical resistivity (Rv) and a horizontal resistivity (Rh) of the formation;...
8752623 Solvent separation in a solvent-dominated recovery process  
In solvent-dominated recovery processes for recovering In situ oil, including bitumen, the produced fluid stream includes oil and solvent. The solvent is preferably recovered and reinjected into...
8752638 Downhole apparatus with a swellable centraliser  
A downhole apparatus, for example a centralizer, comprises a swellable material which expands upon contact with at least one predetermined fluid. In a first aspect of the invention, a centralizer...
8752621 System and method for well control  
Systems and methods are provided for supervising the control of wells in a grouping of wells, or “well pads,” in a subterranean hydrocarbon reservoir so as to coordinate operation of the well pad...
8752622 Downhole tool for investigating perforations  
To investigate the quality and nature of perforations in a downhole environment, a ‘pecking’ finger and depth measuring probe that can be axially and radially displaced enables the perforation to ...
8753507 Artificial oil lifting unit using absorbent belts  
An artificial oil lifting unit uses an endless olephilic absorbent belt, driven by a surface equipment and tensed by a down hole equipment placed in the well production casing. The said absorbent...
8752650 Through the drill string or core bit DST system  
Drill stern test apparatus includes a drill string, wireline coring system and a downhole tool that is seated in the core barrel of the coring system. A valve packer within the downhole tool is...
8752633 Cable protector  
The present invention relates to protector apparatus (30) for protecting at least one cable (24) during operation of a diverter (28). The protector apparatus (30) comprises at least one protector...
8752636 Tubular handling apparatus  
A tubular gripping assembly for use with a top drive to handle a tubular includes a tubular gripping tool having a mandrel and gripping elements operatively coupled to the mandrel; and a link...
8752637 Extendable conductor stand and method of use  
An extendable conductor stand allowing for rapid alignment and installation. The conductor stand having capacity to accept a BOP to protect against all blowouts, including behind the casing...
8752631 Annular circulation valve and methods of using same  
Valves comprise a chamber having a piston disposed therein. One side of the piston defines a hydrostatic chamber in fluid communication with an outside environment, such as wellbore annulus,...
8753517 Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream  
A method and apparatus for removing metallic material from a circulating well fluid stream provides a treatment vessel that is divided into first and second sections. Each of the sections includes...
8752630 Flow stop valve  
A flow stop valve (20) positionable in a downhole tubular (6), and a method, are provided. The flow stop valve (20) is in a closed position when a pressure difference between fluid outside the...
8752627 System and method for low damage fracturing  
A method of fracturing a subterranean formation comprising at least in part shale formation, comprises providing a carrier fluid; providing a particulate blend including a first amount of...
8752651 Downhole hydraulic jetting assembly, and method for stimulating a production wellbore  
A method for forming lateral boreholes from an existing wellbore is provided. The method comprises providing a downhole tool assembly having a whipstock with a curved face. The whipstock is run...
8752635 Downhole wet mate connection  
A technique is provided that utilizes one or both of a control line actuation mechanism and a connector protection mechanism for use in a wellbore environment. Upon landing a lower well assembly...
8752617 Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing  
A system is provided for drilling and/or servicing a well bore using continuous lengths of coiled tubing in which a turntable assembly rotates a coiled tubing reel assembly and a counter balance...
8752626 Compositions and methods for treatment of well bore tar  
Of the many compositions and methods provided herein, one method includes contacting tar resident in a well bore with a tar stabilizer comprising an acrylonitrile-butadiene copolymer; and allowing...
8752619 Apparatus for suspending a downhole well string  
A clamping device for supporting a well string in a borehole includes a base plate with a central opening and primary clamp body clamp body supported for linear motion relative to the base plate....
8746335 Method for removing contaminants from wastewater in hydraulic fracturing process  
A borehole is drilled from the surface to an underground shale matrix. A pipe is inserted into the borehole. Openings are created in the pipe in fluid communication with fractures in the shale...
8746332 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well  
Methods and apparatus for diverting fluids either into or from a well are described. Some embodiments include a diverter conduit that is located in a bore of a tree. The invention relates...
8746354 Wet connection system for downhole equipment  
A wet connection system suitable for use in hydrocarbon wells preferably comprises one or more elongate, small diameter conduits (50) which extend down the wellbore (2) and terminate adjacent a...
8746347 Subsea wellhead providing controlled access to a casing annulus  
A subsea wellhead assembly includes a wellhead body which disposed to support an isolation sleeve for a production tree and to support below the isolation sleeve a production casing hanger for a...
8746353 Vibration method to detect onset of gas lock  
Vibration of an electric submersible pump assembly is monitored to produce a vibration spectrum. The vibration spectrum is compared to a known vibration signature for a pump condition that precedes...
8746344 System and method for containing borehole fluid  
Embodiments of the disclosure relate to directing a flow from a borehole termination structure. Embodiments include a device for containing fluid flow from a borehole. The device includes an...
8746339 Triggerable lost circulation material and method of use  
Methods for preventing or alleviating the loss of drilling fluids and other well treatment fluids into a subterranean formation during drilling or construction of boreholes therein include a...
8746334 Microbial enhanced oil recovery process for heavy oil accumulations  
A post cold heavy oil production with sand (“CHOPS”) microbial enhanced oil recovery method comprises selecting a well having at least one wormhole and that has completed primary CHOPS pro...
8746351 Method for stabilizing oilfield equipment  
Systems and methods for stabilizing a riser or similar object against motion can include engaging two or more cylinder apparatus to the object. Communication of fluid between cylinder apparatus,...
8746333 System and method for increasing production capacity of oil, gas and water wells  
A method and system for stimulating production of a natural resource (e.g., Oil, gas or water) producing well using vibrational energy delivered to the geological formation through a downhole type...
8746337 Single trip multi-zone completion systems and methods  
Disclosed are systems and methods of producing from multiple production zones with a single trip multi-zone completion system. One single trip multi-zone completion system includes an outer...
8746345 BOP stack with a universal intervention interface  
Systems for accessing a well bore including a BOP stack with a universal intervention interface are disclosed. In some embodiments, the system includes a BOP stack and a valve assembly. The BOP...
8746348 Apparatus, system and method for releasing fluids from a subsea riser  
An apparatus, system and method for releasing fluid from a subsea marine riser is disclosed. A housing defines an interior space and an exterior region. The housing includes first and second ends...
8746346 Subsea tree workover control system  
An electrical and hydraulic configuration on a subsea tree that facilitates the use of an ROV control system to operate the tree during well installations, interventions, and workovers. An SCM at...
8746349 Drilling riser adapter connection with subsea functionality  
A drilling riser adapter variably connects and releases a riser from a subsea wellhead assembly. The drilling riser adapter has a hydraulically actuated engagement assembly for selectively engaging...
8746340 Fish-thru screen apparatus and method  
A down hole apparatus for filtering debris from a fluid in a well bore including a screen sub, a diverter assembly connected to the screen sub, a screen section extending from the diverter assembly...
8747078 Gas separator with improved flow path efficiency  
A gas separator having an improved flowpath for lighter fluids having a higher concentration of gas decreases total pumping head for an ESP assembly. The ESP assembly includes a rotary primary...
8746028 Tubing expansion  
There is disclosed a tubing expansion device and a method of expanding tubing. In one embodiment, an expansion device (10) is disclosed which comprises at least one expansion member (14) adapted to...
8746352 Pressure energized interference fit seal  
A seal assembly for use between wellbore tubulars employs an inner seal ring partially circumscribed by an outer seal ring. The seal rings are axially slidable with respect to one another and can...
8746342 Well completion plugs with degradable components  
A downhole tool for use in completing a well includes a plug body selectively securable to a wellbore at a desired elevation and having a flowbore. A non-dissolvable flow restrictor is operably...
8746343 Method and apparatus for wellbore fluid treatment  
A tubing string assembly is disclosed for fluid treatment of a wellbore. The tubing string can be used for staged wellbore fluid treatment where a selected segment of the wellbore is treated, while...
8746338 Well treatment methods and systems  
A well treatment method includes drawing a solvent to a first pump, drawing a wetting liquid to a second pump, pumping the wetting liquid through a polymer mixer using the second pump, combining...
8746341 Quaternary foamers for downhole injection  
A method of foaming a fluid for recovering gas from a gas well and enhancing oil production from a gas-lifted oil well penetrating a subterranean oil-bearing formation is disclosed and claimed. The...
8746350 Tubing hanger shuttle valve  
A wellhead assembly made up of a wellhead housing, a production tree mounted on the wellhead housing, tubing suspended into a wellbore from within the wellhead housing, and an annulus between the...
8746331 Rust resistant well perforating gun with gripping surfaces  
A rust resistant well perforating gun to fractionate a formation adjacent a well can include a gun carrier with recesses, threaded sections, seal bores, and a first coating to prevent rust. The...
8746336 Method and system for recovering oil and generating steam from produced water  
A method of recovering oil from an oil well and producing steam for injection into an injection well is provided. After recovering an oil-water mixture from the oil well, oil is separated from the...
8741817 Water-based fluid loss additive containing an amphiphilic dispersant for use in a well  
A well treatment composition comprises: an aqueous liquid; a fluid loss additive, wherein the fluid loss additive comprises a high molecular weight, water-swellable polymer; and an amphiphilic...
8739867 Mass/volume estimation of contamination, removal and/or in situ treatment using subsurface pressure waves  
A remediation process that a employs improved quantitative method(s) of estimating of the volume and/or mass of contaminant in the subsurface, removal and or in situ degradation of the...