| Document |
Document Title |
|
WO/2014/169291A1 |
A method for selecting a bottomhole assembly, including performing a first dynamic simulation of a first bottomhole assembly, performing at least a second dynamic simulation of the first bottomhole assembly, in which the at least a secon...
|
|
WO/2014/165389A1 |
A method for making downhole whirl measurements in a drill string includes rotating a sensor set in a borehole. The sensor set is deployed in the drill string and includes at least one cross-axial accelerometer and at least one cross-axi...
|
|
WO/2014/160561A1 |
A method for automatically generating a drilling rig activity report while operating the rig includes receiving sensor measurements from a plurality of surface sensors deployed on the drilling rig. The sensor measurements may be made in ...
|
|
WO/2014/160663A1 |
Automation agents are utilized to modify operating characteristics of a client, such as a piece of equipment. An operating characteristic of equipment can be selectively adjusted by modification of a set point value, which is associated ...
|
|
WO/2014/158651A1 |
In some aspects, sand stabilization treatments are analyzed. A computing system can determine a first predicted resource production output for a subterranean reservoir based on a sand stability model analysis for a native condition of th...
|
|
WO/2014/158706A1 |
Various embodiments include apparatus and methods that use hand mobile communications device with respect to a drilling operation at a drilling site. Data with respect to one or more sensors downhole at a drilling site can be wirelessly ...
|
|
WO/2014/147116A1 |
The invention provides a control system and method for limiting vibrations in a tool string system, comprising a relatively heavy rotatable device, such as a pump system or a bottom hole assembly, connected to an long rotatable tool stri...
|
|
WO/2014/147575A1 |
A method for controlling a drilling system comprising a drive system, drillstring and drill bit. The drive system rotates the drillstring during a drilling process to drill a borehole through an earth formation. The method involves setti...
|
|
WO/2014/147118A1 |
The invention provides a control system and method for limiting vibrations in a tool string system. The system comprises a pump connected to a rotatable tool string driven by a drive system. The control system comprises feedback of both ...
|
|
WO/2014/146207A1 |
In one embodiment of the invention, an air drilling downhole telemetry and control system is disclosed, comprising a telemetry and control interface, a topside unit, one or more repeater units, a bottom hole unit, and an air filled drill...
|
|
WO/2014/134739A1 |
A system for charging a capacitor used to power measurement-while-drilling equipment includes a power bus, which is electrically connected to the capacitor; a first pair of battery terminals; switching circuitry for electrically connecti...
|
|
WO/2014/134655A1 |
This disclosure relates to updating an estimate for a material property of a volume, for example, updating the estimate of iron concentration in a block of a mine block model. The estimate is based on values of one or more model paramete...
|
|
WO/2014/131080A1 |
Drill hole sequence planning equipment (14) includes a position determining module (18) for determining an initial location of a mobile drill rig (12). A selection module (24) selects a destination location for the drill rig (12). A corr...
|
|
WO/2014/133501A1 |
Calculating wellbore energy. At least some of the illustrative embodiments are methods including: calculating an expected wellbore energy for a planned wellpath, the calculating by a computer system; calculating an expected tortuosity of...
|
|
WO/2014/134152A1 |
A system, method and computer-readable medium for a drilling a borehole is disclosed. Errors associated with multi-station survey measurements are obtained and partitioned into a set of estimated errors and a set of considered errors. A ...
|
|
WO/2014/130654A1 |
Method for estimating a steady state response of a drill string in a borehole includes calculating a first displacement of the drill string in a frequency domain for a first excitation force frequency and a number of multiples of this fr...
|
|
WO/2014/127489A1 |
A downhole system has a plurality of telemetry systems and a control system configured to obtain information from one or more sensors and transmit that information on one or more of the plurality of telemetry systems. The configuration o...
|
|
WO/2014/008095A9 |
A method for collecting and analyzing downhole pressure data includes disposing a plurality of pressure sensors at axially spaced locations along a drill string disposed in a well. A first data set that includes a data point for each of ...
|
|
WO/2014/124530A1 |
A fluid pressure pulse generating apparatus with a pulser assembly having a pulser assembly housing enclosing a pressure compensation device. The pulser assembly housing includes an interior wall with a plurality of primary apertures the...
|
|
WO/2014/124309A1 |
The operating performance and reliability of a pump, e.g. a hydraulic pump, can be significantly improved by incorporating an actively controlled positive displacement control valve in fluid communication with a fixed displacement pump, ...
|
|
WO/2014/121448A1 |
Techniques for optimizing automated drilling processes are disclosed. Such techniques include modeling a formation and selecting a drilling trajectory in the formation. Measurements of rate of penetration (ROP), revolutions per minute (R...
|
|
WO/2014/121645A1 |
Disclosed are an apparatus and a method for real-time coal surveying and identification for a shearer, suitable for use in the coal cutting process of a coal drill-type shearer. The apparatus is composed of vibration sensors (1), an elec...
|
|
WO/2014/116442A1 |
Disclosed are systems and methods for remote actuation of a downhole tool. One system includes a work string providing a flow path therein, a downhole tool coupled to the work string, at least one actuation device operatively coupled to ...
|
|
WO/2014/116248A1 |
Systems and methods for monitoring and characterizing fluids in a subterranean formation are provided. In one embodiment, a method for monitoring fluids in a well bore penetrating a subterranean formation is provided, the method comprisi...
|
|
WO/2014/117030A1 |
A method, apparatus, and program product utilize a constrained optimization framework to generate a well placement plan based on a reservoir model. Candidate well placement plans are generated from control vectors proposed by an optimiza...
|
|
WO/2014/113144A1 |
Methods of drilling or treating a well including the steps of: designing a fluid with high-gravity solids (e.g., barite); calculating the sagged fluid mud weight after allowing for sag according to formulas; forming a fluid according to ...
|
|
WO/2014/113051A1 |
Two sensors may be installed on a marine drill to improve measurements used for monitoring and operating the marine drill. The sensors may be installed in a differential configuration with one sensor located on a top block of the marine ...
|
|
WO/2014/105050A1 |
Implementations described herein comprise systems, apparatus and methods for drill string component storage, handling and positioning devices. The handling device can comprise a magazine assembly configured for storing and handling elong...
|
|
WO/2014/105659A1 |
A method of performing a fracture operation at a wellsite about a subterranean formation having a fracture network with natural fractures is provided. The wellsite is stimulated by injection of fluid into the fracture network. The method...
|
|
WO/2014/105080A1 |
Various embodiments include apparatus and methods to inspect casing defects in a pipe such as a casing associated with a drilling operation. Electrical connectors contacting the inside wall of the pipe can be used to generate a current i...
|
|
WO/2014/105305A1 |
In accordance with some embodiments of the present disclosure, a drilling system comprises a rotating control device (RCD). A plurality of sensors included in or in proximity to the RCD are configured to detect drilling conditions associ...
|
|
WO/2014/105034A1 |
Disclosed are systems and methods of balancing weight distribution between downhole cutting tools. One system includes a drill bit (102) arranged at a distal end of the bottom-hole assembly (100), a first sensor sub (112a) arranged proxi...
|
|
WO/2014/105038A1 |
Disclosed are systems and methods of balancing weight and hydraulic energy distribution between downhole cutting tools. One system includes a drill bit (102) arranged at a distal end of the bottom- hole assembly (100), a first sensor sub...
|
|
WO/2014/099309A1 |
A method for directional drilling of a wellbore includes automatically rotating a drill string having a steerable drilling motor at an end thereof in a first direction so that a measured torque related parameter thereon reaches a first v...
|
|
WO/2014/100175A1 |
An apparatus for continuously flowing drilling fluid along a drill string includes a continuous circulation device having at least a first fluid path in fluid communication with a top drive and a second fluid path in communication with a...
|
|
WO/2014/099394A1 |
A method and apparatus for evaluating the subterranean formation of a wellbore is presented. The method includes conveying a downhole tool in a wellbore via a cable, and determining the torque in the cable in real-time. The method furthe...
|
|
WO/2014/094161A1 |
Adjustment of the angle of a bent sub or other steering feature in a drill string relative to a reference angle of a downhole sensor is facilitated by a rotatable coupling between the bent sub and the sensor. The rotatable coupling may b...
|
|
WO/2014/098873A1 |
A method and apparatus for controlling a pump configured to pump liquid out of a well is described. A compact sensor package including a force sensor, position sensor, PLC, and transmitter may be disposed at a single location of the pump...
|
|
WO/2014/094153A1 |
Adjustment of the angle of a bent sub or other steering feature in a drill string relative to a reference angle of a downhole sensor is facilitated by a rotatable coupling between the bend sub and the sensor. The rotatable coupling may b...
|
|
WO/2014/098598A1 |
A method of and a device for computer controlled determination of operational parameters of a computational model of borehole equipment for drilling a borehole in an earth formation. The borehole equipment comprising a rotational drive s...
|
|
WO/2014/100613A1 |
A method for wellbore construction management includes measuring at least one drilling operating parameter during drilling of a wellbore. At least one well state parameter is calculated from the measured drilling operating parameter. A d...
|
|
WO/2014/089204A1 |
An apparatus for mitigation of torsional noise effects on borehole measurements. The apparatus may include a conveyance device; a sleeve having a sensor section, the sleeve rotatably disposed on the conveyance device; a sensor having at ...
|
|
WO/2014/085935A1 |
The embodiments described herein generally relate to a method and apparatus for providing a back up system of Directional and Inclination (D&I) information to be gathered and transmitted in addition to primary D&I sensors currently emplo...
|
|
WO/2014/088808A1 |
A method includes oscillating, with a first acceleration profile, at least a portion of a drill string using a top drive at least indirectly coupled to the drill string and includes oscillating, with a second acceleration profile differe...
|
|
WO/2014/081311A1 |
A system for configuring control instructions for a tool assembly formed as a pipe string (2) arranged at least partially to be inserted into a borehole is described, in which pipe string components (21, 21n) are provided with unique, ma...
|
|
WO/2014/078621A1 |
Flowline pressure equalizer systems, methods and/or apparatuses for use on a downhole tool are provided. A pressure equalizer may be provided in communication with two flowlines. The pressure equalizer may use equalizing chambers and equ...
|
|
WO/2014/075190A1 |
An insulating collar for a gap sub assembly for electromagnetic (EM) telemetry used in downhole drilling is disclosed. The gap sub assembly comprises a female member comprising a female mating section and a male member comprising a male ...
|
|
WO/2014/078342A1 |
A method of predicting behavior of a drill bit includes: generating, by a processor, a representation of at least one component of the drill bit, the representation representing a three-dimensional object as a combination of at least two...
|
|
WO/2014/071519A1 |
A coupling key for fixedly coupling a driveshaft to a rotating component of a measurement while drilling telemetry apparatus comprises a key body and at least one zero backlash ring. The key body has dimensions selected to fit within a k...
|
|
WO/2014/071514A1 |
A fluid pressure pulse generator comprising a stator and rotor that can be used in measurement while drilling using mud pulse or pressure pulse telemetry is disclosed. The stator comprises a stator body with a circular opening therethrou...
|
