Matches 1 - 50 out of 187 1 2 3 4 >


Match Document Document Title
9041547 System and method for stick-slip correction  
A method of processing downhole measurement data includes: receiving formation measurement data generated by a downhole tool during a logging-while drilling operation over a selected time period;...
9035788 Real time telemetry  
A real time telemetry system is disclosed for use with a drilling system including a rotary valve 28 controlling the supply of drilling fluid or mud to a downhole tool. The system comprises...
9019118 Automated well control method and apparatus  
A drilling control system monitors and compares drilling and completion operation sensor values and autonomously acts in response to conditions such as a kick or surge. Sensors in various...
9000941 Alternating frequency time domain approach to calculate the forced response of drill strings  
A 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...
9000939 Mud powered inertia drive oscillating pulser  
A mud pulse telemetry tool is used in a drill string that has a drilling fluid flowing inside. The mud pulse telemetry tool may include a pulser disposed in the drill string and a drive system for...
8981957 Method and apparatus for remotely controlling downhole tools using untethered mobile devices  
Remote operation of downhole tools in a subterranean wellbore is performed by inserting untethered, mobile devices sequentially into the wellbore. The mobile devices can include motive means,...
8902077 Subsea communication system and technique  
A subsea communication system is used to communicate between a position that is proximal to a surface of the sea and an apparatus of the seabed. The subsea communication system includes an...
8866631 System and method for remotely controlling down-hole operations  
A system for remote control of operation control elements that are arranged in a well to control recovery of gas and/or oil from the well. A first system part is located outside the well and...
8792304 Downlinking communication system and method using signal transition detection  
A downlinking signal is transmitted downhole from the surface using drilling fluid as the communications medium. The downlinking signal includes at least a synchronization phase and a command...
8655104 Cyclic noise removal in borehole imaging  
A method for removing cyclic noise from a borehole image includes transforming the image into the frequency domain using a two-dimensional (2-D) Fourier Transform, removing cyclic noise components...
8653985 Shutdown system  
A production shutdown system for an underwater hydrocarbon production facility, comprising, on the topside: a safety system, anda communications module;and, underwater;drive control means, andan...
8645571 System and method for managing and/or using data for tools in a wellbore  
A system and a method manage and use data related to a wellbore or a drill string. The system and the method may provide remote access to tools in a drill string using a network. In addition, the...
8633830 Intelligent universal wireless adapter  
A system for communication in an oil and gas well, the system including a controller, a first universal wireless adapter (UWA) wirelessly coupled to the controller, where the UWA is coupled to a...
8616274 System and method for remote wellbore servicing operations  
A method of servicing a wellbore is provided. The method comprises establishing a communication link between a wellsite and a central control site, wherein the communication link carries sensor,...
8570833 Downlinking communication system and method  
A downlinking signal is transmitted downhole from the surface using drilling fluid as the communications medium. The downlinking signal includes at least a synchronization phase and a command...
8487779 Subsea electronic module  
An electronic module for use as a subsea electronic module for an underwater fluid extraction well, wherein a local area network enables communication within the module, the local area network...
8451137 Actuating downhole devices in a wellbore  
A downhole tool system includes a first downhole tool and a second downhole tool. The first downhole tool includes a first controller operable to receive an actuation signal including a tone. The...
8441370 Actuating downhole devices in a wellbore  
A downhole tool system includes a first downhole tool and a second downhole tool. The first downhole tool includes a first controller operable to receive an actuation signal including a tone. The...
8400326 Instrumentation of appraisal well for telemetry  
A telemetry system for use in developing a field of wells has a first downhole device capable of transmitting and/or receiving signals disposed in an appraisal well, an electronics control system...
8381838 System and apparatus for directing the drilling of a well  
A system for directing the drilling of a well at a drill-site includes an instructing unit, an instructed unit, and a central unit. The instructed unit receives drilling instruction from an...
8378841 Tracking of oil drilling pipes and other objects  
Identification and tracking of hollow pipes at a site where the hollow pipes are to be stored or interconnected, such as an oil drilling site where the aforesaid hollow pipes are to be connected...
8373418 Subsea electronic modules  
A module for use as a subsea electronic module of a subsea well, comprises an input (7) for receiving signals from a sensor arrangement which senses at least one parameter of a well, the module...
8350715 Pulse signaling for downhole telemetry  
Mud pulse telemetry systems and methods that employ some combination of modulated pulse positions, modulated pulse widths, and modulated pulse amplitudes to increase telemetry data rates. In at...
8339276 Monoconductor data-power transmission  
Apparatus and systems, as well as methods, operate to acquire downhole data associated with a borehole casing, process a portion of the downhole data at a downhole location to provide processed...
8330616 Well test system to control well processes based on quantity measurements  
The well test system has a net oil computer NOC that captures and stores information from disparate well instrumentation devices, measures produced oil, water, and gas quantities based on the...
8282013 RFID-tagged seal  
O-ring or other fluid seal member (10) and method of making such member. The member has a body (12) provided as a preform of a curable elastomeric polymeric material. A radio frequency...
8284073 Downlink while pumps are off  
A system and method for communicating with a downhole tool is disclosed. In one embodiment, a telemetry system for communicating with a downhole tool in a wellbore includes a first electrode. A...
8248266 Bidirectional telemetry apparatus and methods for wellbore operations  
A system and method for communicating data between a downhole tool and a surface controller is provided that comprises a rotating drill string extending in a borehole and having a downhole...
8237584 Changing communication priorities for downhole LWD/MWD applications  
In one aspect of the present invention, a method for tool string communication comprises the steps of providing a downhole tool string with at least two downhole LWD/MWD instruments in electrical...
8228208 Communication system for survey source and receiver  
A method for communicating with a receiver during an electromagnetic survey. In one implementation, the method may include sending a survey signal to a subsurface region, wherein the survey...
8208478 Communications system for an underwater fluid extraction facility  
A system for enabling communication between an underwater fluid extraction facility and a remote location comprises a fiber-optic cable connected between the facility to the remote location,...
8188881 System and method for controlling multiple well tools  
Systems and methods for downhole completions. A downhole running tool can have a body having a bore formed therethrough. A latch member can be disposed on a first portion of the body. A reset...
8171136 System and method for transmitting pollution information over an integrated wireless network  
A pollution information message system provides a system and method for generating and transmitting pollution information messages. In one embodiment, the pollution information message system...
8115651 Drill string telemetry methods and apparatus  
A method is provided which transmits information using a plurality of data transmission nodes situated along a drill string. In this method, a first node obtains a transmission status of a second...
8084259 Method of insuring the integrity of a filtering element  
The present invention describes a system for accurately measuring the concentration of a substance within a filter housing. A concentration sensor and a communications device are coupled so as to...
8078328 System, program product, and related methods for performing automated real-time reservoir pressure estimation enabling optimized injection and production strategies  
Systems, program product, and methods for providing real-time reservoir management of one or more reservoirs across one or more fields are provided. A system can include multiple monitoring wells...
8077053 Method and apparatus for sensing a borehole characteristic  
An apparatus and method are disclosed for sensing a characteristic of a borehole. An exemplary apparatus includes a conductive pipe; an inlet, connected to the conductive pipe, for applying pulse...
8073665 Analyzing an oilfield network for oilfield production  
A method for analyzing an oilfield network. The method includes collecting oilfield data from an oilfield network, modeling a first wellsite and a second wellsite using the oilfield data to create...
8044819 Coal boundary detection using an electric-field borehole telemetry apparatus  
A method to detect the relative position of a drill bit with respect to a coal seam boundary using an electric-field borehole telemetry apparatus, that includes the steps: providing a...
8022838 Logging system, method of logging an earth formation and method of producing a hydrocarbon fluid  
A logging system for use in a wellbore formed in an earth formation. A tubular conduit is provided extending from surface into the wellbore, as well as a surface communication and control device...
8009059 Downhole power generation and communications apparatus and method  
Apparatuses and methods to power and communicate with downhole sensors are presented. Preferred embodiments of the present invention includes energizing a downhole sensor with a surface pressure...
7999695 Surface real-time processing of downhole data  
A method and apparatus for controlling oil well drilling equipment is disclosed. One or more sensors are distributed in the oil well drilling equipment. Each sensor produces a signal. A surface...
7982633 Data communication and power supply system for downhole applications  
A data communication system for use in downhole applications wherein electrical energy is supplied over a multiple-conductor power cable to an ESP motor assembly. A downhole unit is AC-coupled to...
7967066 Method and apparatus for Christmas tree condition monitoring  
A method for monitoring a Christmas tree assembly installed on a subsea hydrocarbon well includes receiving a plurality of parameters associated with the Christmas tree assembly. A health metric...
7969819 Method for taking time-synchronized seismic measurements  
A method for taking seismic measurements that includes a downhole sensor positionable within a tool string located within the bore of a well, the tool string having a network which effects...
7931096 Adaptive user interface for rock drilling rig  
A control apparatus for controlling a multi-phase rock drilling event carried out with a rock drilling rig. In a display of the rock drilling rig or a control unit thereof, a first section is...
7894302 Drilling system comprising a plurality of borehole telemetry systems  
A drilling system utilizing a plurality of independent telemetry systems. The drilling system uses a drill collar as a pressure housing for downhole components of the system. One or more sensors...
7845404 Optical sensing system for wellhead equipment  
A system includes a Christmas tree assembly mounted to a hydrocarbon well, an optical feedthrough module, and a plurality of optical sensors. The optical feedthrough module is operable to...
7832500 Wellbore drilling method  
A method and apparatus for drilling at least one wellbore from an offsite location is provided. Each wellbore is located at a wellsite having a drilling rig with a downhole drilling tool suspended...
7800513 High performance communication system  
A system for communicating information in a borehole between tool assemblies in a tool string includes receiving an information signal and separating a first signal that may be a power and low...

Matches 1 - 50 out of 187 1 2 3 4 >