Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 9,429

Document Document Title
WO/2018/013126A1
A system and method to minimize trips in a wellbore during coiled tubing operations by simultaneously deploying on coiled tubing as part of the bottom hole assembly a wireline tool and an intervention tool. The wireline tool includes a f...  
WO/2018/013312A1
Some examples of transferring data from a subsurface of a wellbore using well fluids include positioning multiple data recording devices at a subsurface location in a wellbore. When a well fluid flows through the wellbore past the subsur...  
WO/2018/010015A1
A downhole acoustic transmitter has a pre-loaded piezoelectric transducer, an enclosure in which the piezoelectric transducer is housed, a preload spring that biases the transducer against a first end coupling of the enclosure, and an ad...  
WO/2018/011217A1
The present invention relates to a tool (1 ) for running or retrieving a wear bushing or bore protector (3), comprising: - a tubular body (10), having an external diameter smaller than an internal diameter of the wear bushing or bore pro...  
WO/2018/011763A1
System for cableless bidirectional data transmission in a well (10) for the extraction of formation fluids comprising: a plurality of rods (11, 12) connected to each other in succession so as to form a rod string, which extends from the ...  
WO/2018/013077A1
A computing device can determine the integrity of a blowout preventer in a well system using a model generated from real-time sensor data. For example, the computing device can receive predetermined values associated with how pressure de...  
WO/2018/013075A1
To optimize the efficiency and reliability of downhole data transmissions, an optical splash communication system may be utilized. A downhole tool may include an optical splash communication system that comprises multiple electrical elem...  
WO/2018/013403A1
Methods, systems, devices, and products for ultrasonic borehole logging using an ultrasonic borehole imaging tool in a borehole intersecting the earth formation. Methods may include adjusting a focus for an ultrasonic beam generated from...  
WO/2018/013760A1
A method for operating rod pumping unit (100) for a wellbore includes measuring a parameter of the rod pumping unit at a first location (110); measuring the parameter of the rod pumping unit at a second location (160); and subtracting th...  
WO/2018/013995A1
The subject technology relates to estimation of flow rates using acoustics in a subterranean borehole and/or formation. Other methods, systems, and computer-readable media are also disclosed. The subject technology includes drilling a we...  
WO/2018/009195A1
A system and method to for communicating with a telemetry tool by generating mud pressure waveforms is disclosed according to one or more embodiments. The system includes a rotor having a first bore spaced axially apart from a second bor...  
WO/2018/009217A1
An example method of mitigating casing deformation includes determining that a geologic area in a formation within a threshold distance of a cased wellbore is prone to formation relaxation. The method also includes altering a drilling pl...  
WO/2018/009181A1
An antenna assembly that includes a bobbin including arcuate first and second bobbin portions positioned about a tool mandrel. A protective layer is formed about the first and second bobbin portions, and a cover occludes a portion of an ...  
WO/2018/009183A1
Well systems comprise communicating devices for use in subterranean formations. An example well system comprises a mud valve system having a stator and a rotor to modulate drilling mud flow to provide increased pulse amplitude signals up...  
WO/2018/009216A1
An example method of identifying geologic areas in a formation that are prone to casing deformation includes conducting hydraulic fracturing along a portion of a cased wellbore. The method includes recording microseismic activity occurri...  
WO/2018/007026A1
A production logging tool (1) has an elongated cylindrical housing (10, 12, 13, 14) shape and comprises a centralizer arrangement (11) comprising multiple external centralizer arms (15, 16) and operable from a retracted configuration int...  
WO/2018/009360A1
An embodiment of a method of performing aspects of a downhole operation includes receiving a measurement value from a first sensor configured to measure a parameter related to the downhole operation, receiving measurement data from a dif...  
WO/2018/009337A1
A method of wellbore analysis using TM01 and TE01 modes of radar waveforms can include transmitting, at a first time, a radar waveform from a wellhead into a tubing disposed in a wellbore positioned in a reservoir. The radar waveform is ...  
WO/2018/009198A1
A method and system for electromagnetic well ranging. The method may comprise receiving signals from one or more receiver coils at different depths in a second wellbore, applying a band-stop filter to the received signals to provide filt...  
WO/2018/009221A1
Apparatus and methods to evaluate a pipe structure taking buckling into account can be implemented in a variety of applications. Responses can be measured at a set of receivers of a tool in response to exciting the pipe structure with on...  
WO/2018/000701A1
A casing (1) overflow monitoring apparatus, comprising: a casing (1) and several oil pipes (2) arranged within the casing (1). The several oil pipes (2) are connected with each other by connecting ferrules (3). An annulus (4) and a liqui...  
WO/2018/005454A1
A drilling assembly for use in drilling of a wellbore is disclosed that in one non-limiting embodiment includes a device that detects a flow-off state, a power generator that generates electrical energy in response to a fluid flowing thr...  
WO/2018/005892A1
A pressure control valve located in an improved tubing hanger of an oil or gas wellhead. The pressure valve having in-line communication with the production bore and having pressure activation. The pressure activation is imparted by util...  
WO/2018/000470A1
An intelligent switch valve for reservoir transformation, production monitoring and control, comprising a connecting short section, an electrical short section, a liquid storage short section, a hydraulic control short section and a slid...  
WO/2018/004691A1
Methods for installing a signal cable through a coiled tubing strand include installing a front end bullet at a leading end of the signal cable and dissolvable bullets at intermediate locations along the signal cable. A pushing fluid is ...  
WO/2018/005159A1
The current disclosure is related to a downhole tool that comprises an electronic photon generator and at least one detector. The electronic photon generator comprises a cathode configured to emit electrons, a first target configured to ...  
WO/2018/004370A1
A method is proposed for identifying the position of hydraulic fractures during multizone stimulation of a formation. A hydraulic fracturing fluid is injected into a well at a pressure greater than fracturing pressure in order to create ...  
WO/2018/005568A1
A measurement while drilling system for making drilling-related and/or geological formation measurements and communicating measurement data to the earth's surface includes at least one sensor on a drill string proximate a drill bit for m...  
WO/2018/005432A1
A system (10) and method for producing fluid from a subterranean wellbore (14) that includes an electrical submersible pump ("ESP") system (10) and a receptacle (22). The ESP system (10) is landed in the receptacle (22) while sensing the...  
WO/2018/006070A1
According to at least some embodiments, a method of processing inversion results corresponding to a plurality of parameters of a subterranean formation includes obtaining measurements of the subterranean formation from a multi-component ...  
WO/2018/002293A1
A flow velocity meter, for measuring flow velocity of a fluid, has a distributed acoustic sensor along aq longitudinal direction, which has a distributed sensing element. The distributed sensing element is acoustically coupled to a distr...  
WO/2018/005634A1
The present disclosure describes methods and systems that can be used for controlling and coordinating the transmission of electromagnetic telemetry signals from and/or to a plurality of downhole tools to minimize or reduce electromagnet...  
WO/2018/005487A2
A downhole sensing system includes a casing connector configured to fluidly couple segments of a downhole conduit through which a fluid flows. The downhole sensing system includes a sensing device disposed in the casing connector and con...  
WO/2018/004540A1
A method includes obtaining, using multiple internal well -modeling applications, data from an engineer's data model (EDM) database. The method further includes deriving data relevant to an external application from at least a first port...  
WO/2017/222500A1
An example down hole tool for determining ranging parameters involves placing a guard electrode between a survey electrode and a return electrode where the survey electrode and the return electrode are separated by a gap subs. A fixed, p...  
WO/2017/223007A1
A pressure wave is generated within a first well extending into a subterranean formation. A pressure response associated with the pressure wave is detected from a second well extending into the formation. Information is then determined, ...  
WO/2017/222540A1
Systems, computer-readable media, and methods for valuating measurement data, of which the method includes obtaining a first model of a subsurface volume, determining a baseline control parameter based on the first model, receiving new m...  
WO/2017/222387A1
A wellbore leakage detection tool (1) and method for assembling such tool, comprising; a longitudinal tool element (2), comprising a through bore (10) perpendicular to a longitudinal axis of the longitudinal tool element (2), acoustic in...  
WO/2017/223279A1
Provided are systems and methods for mapping hydrocarbon reservoirs. Operations include disposing an electromagnetic (EM) transmitter (144a) and an EM receiver (144b) into first and second wellbores (120a), b of first and second wells, r...  
WO/2017/222524A1
Systems and methods of the present disclosure may use mechanically excitable elements and electrically ignitable fluid to generate a fracture map usable to determine a characteristic of a fracture in a subterranean formation. The mechani...  
WO/2017/222660A1
Various downhole logging tools and methods of using and making the same are disclosed. In one aspect, a downhole logging tool (10) for inspecting a well casing (20) is provided that includes a housing (60) adapted to be supported in the ...  
WO/2017/223507A1
Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure senso...  
WO/2017/218323A1
Methods and systems are described for automatic pumping control for a leak-off test (LOT) of a subterranean region. In some aspects, injection fluid is flowed into a closed wellbore in a subterranean region. Wellbore pressure in response...  
WO/2017/217962A1
A cable for use in a wellbore can include an outer housing and a chamber disposed coaxially within the outer housing. The chamber can have a cross-sectional end length that is substantially the same as an inner diameter of the outer hous...  
WO/2017/216553A1
There is described deployment apparatus and methods that may assist with efficient and/or effective deployment and/or retrieval of deployable mediums (e.g. wirelines), for example in a well. In some examples, the deployable medium, e.g. ...  
WO/2017/218272A1
A drilling system (100) includes a sensor (110), an encoder (112) operably connected to the sensor and a pressure pulse generator (114) operably connected to the encoder. The pressure pulse generator is configured to produce a primary si...  
WO/2017/217866A1
The invention relates to a downhole calliper tool (100) for measuring distance () between the calliper tool (100) and an interface in a well, such as a petroleum well or a geothermal well. The downhole calliper tool (100) comprises: - an...  
WO/2017/213726A2
A technique facilitates monitoring and control in downhole well applications. The system and methodology may be combined with a variety of completions or other types of well equipment deployed downhole to enable both electrical and hydra...  
WO/2017/214416A1
The method and system for determining position with improved calibration allows a device to initiate activity at the proper location, such as navigating a drill bit through a rock formation. A pair of position sensors (30, 30') in opposi...  
WO/2017/214325A1
The subject technology relates to estimating borehole contributions to measured calcium and sulfur elemental yields by using a small number of mud properties available from wellsite mud reports at the time of logging. Neutron-induced gam...  

Matches 1 - 50 out of 9,429