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Patent Searching and Data


Matches 1 - 50 out of 136,487

Document Document Title
WO/2017/048236A1
A flapper valve includes a body having first and second end, and a flapper pivotably coupled to the body and movable between a closed position, where the flapper prevents fluid flow through the body, and an open position, where fluid flo...  
WO/2017/045082A1
A downhole assembly and method are provided for selective activation of a motor in a drilling string. A rotor in a Moineau-principle motor is provided with a fluid passage therethrough and a catch that can receive and retain a blocking i...  
WO/2017/048263A1
A method for determining tubing permeability includes conveying a tool through a tubular string in a borehole. The tool includes a transmitter that transmits a primary electromagnetic field and a receiver that receives at least one colla...  
WO/2017/048305A1
A downhole tool having a mandrel with one or more sets of threads; a fingered member disposed around the mandrel; a first conical shaped member also disposed around the mandrel; and an insert positioned between the fingered member and th...  
WO/2017/047984A1
The present invention relates to a steel tube girder having an adjustable length, and a dual installation system for a steel tunnel support using rigidity-reinforced CFT steel tube girders filled therein. The primary objective of the pre...  
WO/2017/048258A1
A method for real-time determination of water-filled porosity of a formation using dielectric measurement data, whereby the refractive index of a non-water component of the formation and the downhole temperature are acquired, along with ...  
WO/2017/048862A1
Methods, systems, and computer program products for characterizing materials in a wellbore having multiple casing strings uses well completion data and instantaneous frequency, instantaneous phase, and/or amplitude attributes, including ...  
WO/2017/048292A1
A back-off tool comprises a magazine cylinder having one distal end of a long mast rod secured to the lower end-face of a magazine cylinder. The magazine cylinder is attached to an electrically detonated firing head. A first plurality of...  
WO/2017/048422A1
The present disclosure generally relates to a riser system for coupling a surface platform to a wellhead and, in an embodiment described herein, more particularly provides a riser flange for coupling adjacent riser sections. A main tube ...  
WO/2017/048239A1
A photon radiation detection systems utilizes scintillating fibers to detect downhole radioactivity along a wellbore. The system includes a light detection unit, extended light guide, and a scintillating fiber radiation detector extendin...  
WO/2017/045059A1
The present disclosure, in some embodiments, relates to a drilling rig sidecar for transporting drilling equipment. The sidecar may carry such equipment as a degasser, shale shakers, catch tanks, trip tanks, pressure pumps, choke manifol...  
WO/2017/048265A1
Wellbore systems containing a hydraulically regulated primary safety valve may have their hydraulic regulation transferred to an insert safety valve disposed in a nipple. Such wellbore systems may comprise: a tubing string comprising a n...  
WO/2017/048317A1
A static gas separator interposed between an electric submersible pump and a downhole motor to separate entrained gas from production fluid in a subterranean well. The gas separator includes an elongate cylindrical mandrel concentrically...  
WO/2017/048241A1
A downhole telemetry system comprises an optical fiber, a downhole signal generator, a downhole amplifier, and a first downhole laser. The downhole signal generator can be in optical communication with the optical fiber to generate a sig...  
WO/2017/049262A1
A hydraulic fracturing system includes a perforating tool configured to perforate a casing of a well and a computing system communicatively coupled to the perforating tool. The computing system is configured to determine a plurality of g...  
WO/2017/046623A1
The invention pertains to a method for analyzing a plurality of liquid samples. For each sample the method starts by introducing the sample inside a respective pipette. Then the sample settles to separate a plurality of phases. These sep...  
WO/2017/048284A1
Methods and systems are presented in this disclosure for determining information (e.g., visual information) about locations of different fluids flowing along a casing in a wellbore. A plurality of radio frequency (RF) micro-electro-mecha...  
WO/2017/048132A1
A method of processing a fluid produced from a well, the produced fluid being a high pressure fluid, the method comprising: reducing the pressure of the fluid to a reduced pressure such that a gas phase and a liquid phase are formed; sep...  
WO/2017/048545A1
A method for determining porosity associated with organic matter (PAOM) in a well or formation is provided. A system for performing the method is also provided.  
WO/2017/048225A1
A method for determining a material in an annulus between two objects disposed in a borehole includes positioning logging tools in the borehole, each of the logging tools being oriented at a different angle. The method also includes meas...  
WO/2017/048223A1
A method may include transmitting a narrowband signal into a formation using a transmitter located in a wellbore. The narrowband signal is modified by passage of through the formation and the formation reflects at least a portion of the ...  
WO/2017/048506A1
A downhole tool includes a chassis having a bore formed axially-therethrough. An antenna is positioned radially-outward from the chassis. A collar is positioned radially-outward from the antenna. A window is defined radially-through the ...  
WO/2017/048508A1
A system for mounting electronics is disclosed. The system may include a tool and a chassis having a mounting surface. The system may also include an electronics assembly coupled to the chassis. A low modulus spacer may be coupled to the...  
WO/2017/045270A1
Disclosed is a beltless walking beam oil pumping unit, comprising a base (6), a support (8), a walking beam (9), a connection rod (13), a connection rod shaft (7), a crank (14), an output shaft (15), a gearbox (1), and an electric motor ...  
WO/2017/048222A1
Various embodiments disclosed relate to proppant including a swellable coating thereon for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation. The me...  
WO/2017/046336A1
Bend restrictor (1) for preventing an elongated member (10) from reaching a bending radius less than the allowable bending radius of the elongated member (10), wherein a connecting arrangement (12, 30) is positioned at an end portion of ...  
WO/2017/045425A1
Disclosed is a steel-concrete composite tunnel lining support structure. The support structure is composed of a curved unit plate member (1) assembled along a tunnel wall circumferential direction and axial direction. The unit plate memb...  
WO/2017/045131A1
A water control tubular column and an automatic inflow control restrictor (33) thereof, and an inflow control device (3). The water control tubular column comprises the inflow control device (3). The inflow control device (3) comprises a...  
WO/2017/048282A1
Systems and methods for detecting or monitoring treatment fluids in subterranean formations are provided. In certain embodiments, the methods comprise: providing an enhanced treatment fluid that comprises at least a base fluid and one or...  
WO/2017/048247A1
Methods and apparatus are disclosed for coupling components within a downhole motor drivetrain, and particularly to improving the torque carrying characteristics through threaded couplings in the drivetrain that extends between the mud m...  
WO/2017/045402A1
A visualized evaluation device for pressure-bearing drilling-fluid plugging and leaking stoppage material property. The evaluation device comprises a base (11), a supporting seat (12), a supporting cylinder (06), transparent pressure-bea...  
WO/2017/048412A1
Systems and methods for communicating information relating to at least one wellbore condition across a surface cement plug in a plugged off wellbore. Induction telemetry or galvanic telemetry are used to transmit electromagnetic signals ...  
WO/2017/048559A1
An equalizer valve is hydraulically operated by a pair of control lines running from a remote location such as a well surface. The use of control lines to make a mandrel or piston move in opposed directions removes the need for a spring ...  
WO/2017/046564A1
A riser assembly and method of installing a riser assembly are disclosed. The riser assembly includes a first attachment element connected to a first portion of flexible pipe and a second attachment element connected to a second portion ...  
WO/2017/045984A1
The invention relates to a sealing device (1) for a well plug with a mandrel device (2), a sealing element (10), a first supporting device (20) provided on a first side of the sealing element (10) and a second supporting device (22) prov...  
WO/2017/048231A1
An apparatus includes a housing. The apparatus includes a first end and a second end. The apparatus includes a first wedge having a first groove. The first wedge is contained in the housing. The apparatus includes a second wedge having a...  
WO/2017/048507A1
A method for making downhole electromagnetic logging measurements includes using an electromagnetic measurement tool to acquire the measurements while rotating in a subterranean wellbore. Received electromagnetic waves are processed to o...  
WO/2017/049077A1
An expandable tubular is provided with a shoe releasably coupled to its lower end. The shoe comprises an uphole facing, fixed diameter, cutting edge with milling elements affixed thereon. A portion of the tubular is expanded in a wellbor...  
WO/2017/048248A1
Disclosed are methods in which measurements are obtained from a plurality of sensors secured in spaced relation to one another across at least a portion of the depth of reservoir of some form in order to identify one or more characterist...  
WO/2017/046613A1
The invention provides a downhole tool for cutting a wellbore casing. The downhole tool comprises a gripping mechanism for gripping a section of wellbore casing and a cutting mechanism configured to cut the casing. The grip mechanism is ...  
WO/2017/048794A1
The proposed method is an improved method of flooding weak reservoirs and avoiding premature breakthrough of the displacing fluid used in the flooding operation by first modeling the performance of the reservoir under a rage of flooding ...  
WO/2017/048264A1
A method of evaluating a subterranean formation includes conveying a tool along a borehole. The tool includes a transmitter that transmits a drive pulse and a receiver that receives at least one formation response to the drive pulse. The...  
WO/2017/049071A1
A device (100) for retrieving a control pod (30,31) from a subsea BOP stack (11) or deploying a control pod to a subsea BOP stack includes a base (110) having a longitudinal axis, a first end (110a), and a second end (110b) axially oppos...  
WO/2017/048266A1
A method includes modeling a fluid flow network, the fluid flow network having a surface pipeline network connected between a plurality of well perforation nodes and a common outlet or inlet. The method also includes generating a plurali...  
WO/2017/049264A1
Systems for performing a wellbore operation include a flexible walled silo for containing powder or fibrous material therein, where the powder or fibrous material is dischargeable from the flexible walled silo under gravitational force i...  
WO/2017/045754A1
The disclosure relates to a method for estimating a flow out of at least one fluid pump for injecting fluid in a well, comprising : - determining a calculation model for the flow rate of a pump exiting the at least one pump, said calcula...  
WO/2017/048941A1
A method for excavating a well cellar includes lowering an excavating apparatus having a cellar liner therein to a bottom of a body of water. The well cellar is excavated while contemporaneously lowering the cellar liner into the well ce...  
WO/2017/048473A1
Procedures include designing parameters for cementation jobs based upon the wellbore geometries and loading conditions. The cementation parameters such as Young's modulus are selected such that longitudinal crack propagation is inhibited...  
WO/2017/046449A1
A drilling device for drilling a hole in the ground and/or rock and having in its drilling head a plurality of drilling wing bits (2) arranged at equal distribution with their mutual position being adjustable such that said wing bits (2)...  
WO/2017/048245A1
Methods and systems are presented in this disclosure for performing multi-frequency communications during wellbore operations. Communication of data related to a state of a wellbore (e.g., characteristics and/or locations of one or more ...  

Matches 1 - 50 out of 136,487