Matches 1 - 50 out of 117 1 2 3 >
Match Document Document Title
7348892 Pipe mounted telemetry receiver  
Methods and apparatus for receiving a telemetry signal with a receiver that is moveably disposed within a drillstring. In certain embodiments, the system comprises a surface module coupled to the...
7312720 Multi-loop transmission system  
A transmission system between a voltage source and a wireline tool comprising a first loop to transmit a signal between the voltage source and the wireline tool. The first loop has a first...
7298285 Rotary downlink system  
A method for downlink communication with a downhole tool having a mud-powered downhole motor that includes receiving a sensor signal related to a rotational speed of a rotor in the mud-powered...
7274304 System for loading executable code into volatile memory in a downhole tool  
A system for loading an executable code into volatile memory in a downhole tool string component comprises a surface control unit comprising executable code. An integrated downhole network...
7261162 Subsea communications system  
A subsea communications module includes an interface to communicate with a surface facility over a communications link using a packet-based protocol. The communications link can be implemented with...
7251590 Dynamic vibrational control  
A method for reducing vibration of a drilling tool assembly is disclosed. The method includes modeling the drilling tool assembly based on input parameters, simulating a vibration of a drill string...
7245229 Drill string rotation encoding  
A method for communicating with a downhole device is provided. The method includes predefining an encoding language including codes understandable to the device, the codes represented in the...
7242317 Wireless well communication system and method  
Well data and production control commands are transmitted from a remote central data store to wells at a remote location with a well hopping system and method, preferably through a radio frequency...
7228465 Bit rate agile onboard telemetry formatter  
A bit rate Agile Onboard Telemetry formatting system addresses the increased demands on the efficiency of telemetry systems. The present invention thins and reorders data streams, adjusting bit...
7224289 Slickline data transmission system  
A slickline data transmission system for a high pressure oil-field well comprises inductive couplers at opposite ends of a slickline in order to establish real-time radio communication between...
7218244 Common interface architecture for horizontal directional drilling machines and walk-over guidance systems  
A system and method of interfacing a drilling machine with one of a number of different walk-over guidance systems involves receiving an ID signal from a particular walk-over guidance system...
7212131 Controlling an underground object  
In order to control the sonde of an underground object, such as an underground boring tool, a predetermined sequence of rotation steps is applied to the object and that sequence is detected. The...
7207396 Method and apparatus of assessing down-hole drilling conditions  
A method and apparatus for use in assessing down-hole drilling conditions are disclosed. The apparatus includes a drill string, a plurality of sensors, a computing device, and a down-hole network....
7201231 Apparatuses and methods for deploying logging tools and signalling in boreholes  
The apparatus includes a pump for circulating pressurized fluid in a wellbore. A control device controls the pump which a conduit interconnects to the wellbore. A downhole transducer detects...
7200643 Controller and controlling method thereof  
A controller, a system, and a method of controlling the operation of the controller of an electric device. The method comprises: sending a user interface software packet stored in the controller's...
7200070 Downhole drilling network using burst modulation techniques  
A downhole drilling system is disclosed in one aspect of the present invention as including a drill string and a transmission line integrated into the drill string. Multiple network nodes are...
7193526 Downhole tool  
A double shouldered downhole tool connection comprises box and pin connections having mating threads intermediate mating primary and secondary shoulders. The connection further comprises a...
7145472 Method and apparatus for high speed data dumping and communication for a down hole tool  
The present invention provides a high-speed communication and data link between a downhole tool and a surface computer. The present invention provides a plurality of busses inside of the downhole...
7145471 Sequential hydraulic control system for use in a subterranean well  
A sequential hydraulic well control system provides actuator selection and operation utilizing pressure applied to hydraulic lines in a sequence. In a disclosed embodiment, an actuation control...
7142129 Method and system for downhole clock synchronization  
A method and system for use in synchronizing at least two clocks in a downhole network are disclosed. The method comprises determining a total signal latency between a controlling processing...
7139218 Distributed downhole drilling network  
A high-speed downhole network providing real-time data from downhole components of a drilling strings includes a bottom-hole node interfacing to a bottom-hole assembly located proximate the bottom...
7132904 Apparatus for reducing noise  
An apparatus for electromagnetically connecting surface equipment to a rotating downhole tool string comprises a plurality of electrical conductors, first and second differential interfaces, and at...
7123160 Method for triggering an action  
A method for triggering an action of at least one downhole device on a downhole network integrated into a downhole tool string synchronized to an event comprises determining latency, sending a...
7108069 Online thermal and watercut management  
A system, method, and software for optimizing the commingling of well fluids from a plurality of producing subsea wells. The mixing temperature and water content in each header of a collection...
7102532 Subsea communication  
Methods of subsea communication in which a cathodic protection anode is used as a transmitting antenna. The signals are received at a second location by two electrodes which are spaced apart by...
7068183 Drill string incorporating an acoustic telemetry system employing one or more low frequency acoustic attenuators and an associated method of transmitting data  
A drill pipe forms an acoustic transmission channel for data to be transmitted from a downhole transceiver to a surface transceiver. By positioning a first low frequency acoustic attenuator between...
7061932 Code-division multiple-access (CDMA) wireline telemetry system  
A downhole telemetry system employing code division multiple access (CDMA) is disclosed. In one embodiment, the downhole telemetry system comprises one or more downhole transmitters and an uphole...
7048050 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells  
The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place...
7042367 Very high data rate telemetry system for use in a wellbore  
A very high data rate telemetry system is provided for use in a wellbore. In a described embodiment, a telemetry system includes multiple nodes positioned in the wellbore and distributed over a...
7038332 Power discriminating systems  
The present invention relates to a control system for selectively supplying electrical power in a remote environment. The system comprises a plurality of electrical circuits, each designed to...
7026950 Motor pulse controller  
The present invention provides a method and apparatus for generating one or more than one physically detectable physical influence changes to control or manipulate a down hole device. The present...
7000693 Control of hydrocarbon wells  
An apparatus controls the operation of a hydrocarbon production well. The apparatus includes a supply means for providing an electric power supply. The apparatus also includes a plurality of...
6987463 Method for collecting geological data from a well bore using casing mounted sensors  
A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a...
6980929 Well data collection system and method  
Disclosed is a system and method for directing data representing well operations (drilling and producing) through the Internet or similar wide area network. The instant invention comprises a system...
6898149 Reprogrammable downhole telemetry and control system  
A reprogrammable data communications system for use in a gas or oil well borehole is disclosed. The borehole includes a casing and a piping structure therein and at least one downhole equipment...
6873267 Methods and apparatus for monitoring and controlling oil and gas production wells from a remote location  
The invention provides apparatus and methods for monitoring and controlling hydrocarbon production wells and/or injection wells from a remote location. The apparatus for monitoring and controlling...
6868906 Closed-loop conveyance systems for well servicing  
A closed-loop system is used to perform a variety of well services. The well services include well completion services, production and maintenance services, and enhanced recovery services. A...
6839000 Integrated, single collar measurement while drilling tool  
An integrated, single collar measurement while-while-drilling tool is presented that comprises formation sensors, directional sensors, pressure sensors, a mud pulse telemetry device, and a...
6816082 Communications system having redundant channels  
A system for use in a well having completion zones includes a surface node and a plurality of downhole nodes positioned in the completion zones. A communications link extends into the well and is...
6798350 Method for repeating messages in long intelligent completion system lines  
A method for two-way communication for controlling production from a formation having at least one producing well and a plurality of producing zones. In one embodiment, the method comprises...
RE38567 Apparatus and method for self adjusting downlink signal communication  
An apparatus for sending signals downhole during drilling operations uses a main pump to pump mud from a mud pit at a substantially constant flow rate. The bulk of the pumped mud goes downhole to...
6768700 Method and apparatus for communications in a wellbore  
A downhole string includes a system having an actuator module that is responsive to electrical power and signals communicated down a cable, such as a permanent downhole cable (PDC). In addition, a...
6747570 Method for preventing fracturing of a formation proximal to a casing shoe of well bore during drilling operations  
A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a...
6715550 Controllable gas-lift well and valve  
A gas-lift well having a controllable gas-lift valve is provided. The well uses the tubing and casing to communicate with and power the controllable valve from the surface. Induction chokes at the...
6677861 Monitoring system  
The present invention provides a tool assembly for use in field applications to monitor at least one condition in a well or other hole. The tool assembly may include a computing unit for directing...
6648082 Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator  
An apparatus and accompanying method for monitoring and reporting downhole bit failure. Individual sensors are placed on a sub which is separate from the drill bit itself, and are powered by a...
6624759 Remote actuation of downhole tools using vibration  
A communication system is disclosed enabling communication from a surface location to a downhole location where instructions communicated are executed. The system employs accelerometers to sense...
6606032 Controlling a sonde carried by a boring tool  
In order to control the sonde of an underground object, such as an underground boring tool, a predetermined sequence of rotation steps is applied to the object and that sequence is detected. The...
6587054 Electrical submersible pump cable  
An electrical submersible pump cable having an integral capacitor. The electrical submersible pump cable has a primary conductor with an insulator surrounding the primary conductor. A coaxial...
6552665 Telemetry system for borehole logging tools  
A borehole telemetry system including a surface telemetry module, a downhole telemetry module, and a multiplexed datalink between the surface and downhole modules capable of transferring data...
Matches 1 - 50 out of 117 1 2 3 >