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Matches 1 - 50 out of 2,199

Document Document Title
WO/2018/013479A1
A drilling and production system is provided. In one embodiment, such a system has a plurality of functions that are effectuated at least predominately without hydraulic fluid. The system can be a drilling system having a rig (20) and a ...  
WO/2018/009728A1
A method for drilling a borehole in an earthen formation using a drilling fluid includes selecting a lower pressure limit and an upper pressure limit for the drilling fluid at a drilling location in the borehole. In addition, the method ...  
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/2018/000211A1
A method for drilling a well includes applying energy input to a drill string (31) by at least one of rotating the drill string (31) from surface and operating a drilling motor (41) disposed in the drill string (31) to operate a drill bi...  
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/2018/006070A1
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/2017/223154A1
An apparatus for drilling a borehole in an earth formation includes: a plurality of drill pipes configured to be coupled together to form a drill string that is configured to convey an earth formation disintegrating device while progress...  
WO/2017/221046A1
A method of determining a drilling activity includes receiving a set of measurements at different times. The set of measurements includes a depth of a wellbore, a depth of a drill bit, and a position of a travelling block. The method als...  
WO/2017/217905A1
The invention related to a method for determining efficiency of a drilling process comprising the steps of: transferring (s510) energy via a tool member (232, 234) to the material in which drilling is to be performed by means of a drilli...  
WO/2017/206182A1
Methods, computing systems, and computer-readable media for automatically classifying comments in a well report. As an example, the method includes receiving one or more well reports comprising comments, identifying one or more templates...  
WO/2017/210379A1
A system, computer-readable medium, and method for identifying drilling events in drilling reports, of which the method includes receiving one or more drilling reports including text data representing one or more observations recorded du...  
WO/2017/209607A1
A method of and a device, borehole drilling equipment and a computer program product for estimating at least one of down hole speed and down hole torque of borehole drilling equipment while drilling a borehole in an earth formation. The ...  
WO/2017/206157A1
Methods, computing systems, and computer-readable media may provide a method for simulating drilling operations. The method may include receiving a set of drilling parameters. The drilling parameters may represent a configuration of a dr...  
WO/2017/209730A1
Systems, methods, computer-readable media having computer programs, and electronic interfaces to detect and mitigate drill cuttings build-up in borehole drilling for hydrocarbon wells are provided. Embodiments include determining annular...  
WO/2017/210033A1
A drilling rig site may include at least one tubular configured to be inserted into a wellbore at the drilling rig, at least one imaging device configured to detect a location of an end of the at least one tubular or a feature of the at ...  
WO/2017/205757A1
A predetermined set of connector maintenance functions may be accomplished subsea using a connector maintenance panel (1) which comprises a panel and a plurality of fixed connector interfaces disposed through a predetermined portion of t...  
WO/2017/204655A1
According to a first aspect of the present invention there is provided a method of controlling a borehole drilling process comprising a first set of operations and a second set of operations, the method comprising: generating and outputt...  
WO/2017/196714A1
Methods and systems for optimizing drilling operations in a wellbore using a drill string are provided. The methods and systems include measuring a first formation characteristic with at least one sensor, measuring a second formation cha...  
WO/2017/192154A1
A method for optimizing oilfield operations, in some embodiments, comprises: identifying a first oilfield model; determining n solutions to the first oilfield model that optimize a target parameter of the first oilfield model; identifyin...  
WO/2017/184939A1
A method for forming a wellbore in an earth formation includes positioning a drill string in a wellbore; the drill string including a bottom hole assembly (BHA) that includes a steering unit, one or more sensors responsive to one or more...  
WO/2017/184338A1
Examples of techniques for monitoring and controlling the pH of a drilling fluid are disclosed. In one example implementation, a system may include a first sensor to sense a first pH-value and an associated first temperature of the drill...  
WO/2017/180124A1
System and methods for automating well planning and data analysis for downhole operations are provided. Values of one or more operational variables are estimated for each of a plurality of operating intervals, based on a user-selected op...  
WO/2017/180157A1
System and methods for optimizing parameters for drilling operations are provided. A target value of a user-selected operating variable is estimated for each stage of a drilling operation to be performed along a planned well path, based ...  
WO/2017/176867A1
A method of drilling a borehole in an earth formation includes deploying a drilling assembly including a drill bit and a drill string, and performing a drilling operation according to one or more operational parameters to advance the dri...  
WO/2017/171557A1
A method for operating a drilling plant machine, comprising the steps: providing a sensor on the drilling plant machine, the sensor operable to measure at least one parameter indicative of a jarring load acting on the drilling plant mach...  
WO/2017/173070A2
A method for selecting drilling parameters for drilling a borehole penetrating the earth with a drill string. The method includes: measuring vibration-related amplitudes of the drill string during operation using one or more vibrations s...  
WO/2017/164867A1
A drill bit analysis and optimization system for use in a wellbore is provided. The system includes a drill bit including a cutter, a sensor that collects a data signal on a surface of the drill bit proximate to the cutter, and a signal ...  
WO/2017/160993A1
A method and system for drilling a wellbore. A method for drilling a wellbore includes: generating a library of defined patterns, each of the defined patterns corresponding to an operational behavior of drilling equipment used to drill t...  
WO/2017/151394A1
A method may include communicating a command into a wellbore from the surface. The method may include determining a command to be sent to a downhole tool, and translating the command into a message, the message including a sequence of co...  
WO/2017/146918A1
Systems, devices, and methods for producing a three-dimensional visualization of a drill plan and drilling motor with a toolface are provided for drill steering purposes. A drilling motor with a toolface in communication with a sensor sy...  
WO/2017/147079A1
A data monitoring system includes a data monitoring tool incorporated into a work string proximate a bottom hole assembly. The data monitoring tool detects at least one wellbore condition and at least one force experienced by the data mo...  
WO/2017/142540A1
A drilling apparatus including plurality of subsystems, each subsystem includes a subsystem controller, one or more sensors, and one or more actuators. Each subsystem controller is configured to determine a local subsystem state from mea...  
WO/2017/142922A1
An apparatus for determining torque on bit and bending forces in a drilling assembly. The apparatus includes a body having an inner bore defined by an inner wall and having an outer wall, the body also including first and second light bo...  
WO/2017/142538A1
A system including a plurality of subsystems each of which includes a subsystem controller coupled with a sensor configured to obtain a measurement, an actuator, and a subsystem processor. The subsystem processor includes a first memory ...  
WO/2017/142539A1
A system including a plurality of subsystems having a controller coupled with a sensor, an actuator, and a processor; and a resource allocation processor coupled with each of the plurality of subsystems, the resource allocation processor...  
WO/2017/139007A1
A method of operating a directional drill rig from a remote location may involve the steps of: Issuing instructions from a remote location using a remote communications system; receiving said instructions at a drill site location using a...  
WO/2017/129523A1
Drilling mud properties in a mud recirculation system (13) of an oil and/or gas well drilling assembly (1) are automatically adjusted by an automated mud treating assembly (20,25) that is governed hierarchal primary and secondary optimiz...  
WO/2017/132098A1
A method and system is provided for drilling a wellbore that traverses a geological formation using a drilling tool. The method and system derives a plurality of formation models that characterize the geological formation. The number of ...  
WO/2017/132650A1
An instrumentation system includes a detection apparatus and a data logging apparatus that detect and record various inflow parameters and outflow parameters of the well during the completion phase or other operational phase of the well....  
WO/2017/126974A1
A method of conducting a pressure integrity test for an underground formation (42), the method comprising: whilst fluid is supplied to and/or released and returned from the underground formation (42) under pressure, using an automated mo...  
WO/2017/127749A1
A drill rig system for drilling a wellbore in the earth, the drill rig system comprising: a drill rig comprising: a substructure supporting a rig floor and a mast extending vertically above the rig floor; a top drive supported by a line ...  
WO/2017/120505A1
A downhole steering tool includes one or more steering blades selectively extendable from a housing. Each steering blade may be extended by fluid pressure within a steering cylinder. Each steering cylinder may be coupled to the interior ...  
WO/2017/116474A1
Automated planning, control and/or geosteering assistance for a subterranean drilling operation is performed using an analytical drilling performance model that is a function of a rock brittleness index that is correlated with a correspo...  
WO/2017/116417A1
A method for generating a BHA design and component selection by creating a plurality of BHA configurations. A cost function, representative of each respective BHA configuration, is determined. Each cost function includes drilling process...  
WO/2017/116436A1
Systems and methods for automated planning and/or control of a drilling operation are implemented to be based at least in part on automated prediction of well performance using an analytical well performance model. Substantially real-tim...  
WO/2017/109553A1
Optimized enhanced oil recovery can include tuning of injection rates during a recovery operation. The injection rate of injection fluid pumped into a formation can be controlled to alternate between monotonically increasing and monotoni...  
WO/2017/105430A1
System and methods for optimizing coiled tubing string configurations for drilling a wellbore are provided. A length of a rotatable segment of a coiled tubing string having rotatable and non-rotatable segments is estimated based on the p...  
WO/2017/105849A1
A method for steering a downhole tool in a wellbore includes measuring a tool face when the drill bit is off-bottom, measuring an angular position of a drill string when the drill bit is off-bottom, and measuring a torque on the drill st...  
WO/2017/106867A1
A method of performing a perforation operation is disclosed. The method involves generating a stress contrast distribution for each stage of a well based on drilling stress data and a stress log of the well, generating a stress associati...  
WO/2017/097945A1
Example embodiments presented herein are directed towards a safety system, for example a subsea workover safety system,for overriding a control module configured to actuate a component of a hydrocarbon production apparatus, particularly ...  

Matches 1 - 50 out of 2,199