CA2543877A1 - System for logging formations surrounding a wellbore - Google Patents

System for logging formations surrounding a wellbore Download PDF

Info

Publication number
CA2543877A1
CA2543877A1 CA002543877A CA2543877A CA2543877A1 CA 2543877 A1 CA2543877 A1 CA 2543877A1 CA 002543877 A CA002543877 A CA 002543877A CA 2543877 A CA2543877 A CA 2543877A CA 2543877 A1 CA2543877 A1 CA 2543877A1
Authority
CA
Canada
Prior art keywords
wellbore
logging
formations surrounding
communication
logging formations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002543877A
Other languages
French (fr)
Other versions
CA2543877C (en
Inventor
Paul Wilson
Robert Malloy
Stephen Senn
Tom Standley
Robert Pitts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford Lamb Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Publication of CA2543877A1 publication Critical patent/CA2543877A1/en
Application granted granted Critical
Publication of CA2543877C publication Critical patent/CA2543877C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A system and method for logging a formation adjacent to a borehole. The system includes a conveyance member, a memory module in communication with the conveyance member, a communications module in communication with the memory module, and a logging tool in communication with the communications module, wherein the communications module is configured to facilitate communication between the memory module and the logging tool.
CA002543877A 2005-04-22 2006-04-18 System for logging formations surrounding a wellbore Expired - Fee Related CA2543877C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/112,530 US7407006B2 (en) 1999-01-04 2005-04-22 System for logging formations surrounding a wellbore
US11/112,530 2005-04-22

Publications (2)

Publication Number Publication Date
CA2543877A1 true CA2543877A1 (en) 2006-10-22
CA2543877C CA2543877C (en) 2009-06-16

Family

ID=36580975

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002543877A Expired - Fee Related CA2543877C (en) 2005-04-22 2006-04-18 System for logging formations surrounding a wellbore

Country Status (3)

Country Link
US (1) US7407006B2 (en)
CA (1) CA2543877C (en)
GB (2) GB2425553B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2122120B1 (en) 2007-02-12 2019-06-19 Weatherford Technology Holdings, LLC Apparatus and methods of flow testing formation zones
US9228427B2 (en) * 2011-10-27 2016-01-05 Saudi Arabian Oil Company Completion method to allow dual reservoir saturation and pressure monitoring
US20140253341A1 (en) * 2013-03-11 2014-09-11 Abrado, Inc. Method and apparatus for communication of wellbore data, including visual images
US9631446B2 (en) 2013-06-26 2017-04-25 Impact Selector International, Llc Impact sensing during jarring operations
US9404362B2 (en) * 2013-11-27 2016-08-02 Baker Hughes Incorporated Material characteristic estimation using internal reflectance spectroscopy
US9951602B2 (en) 2015-03-05 2018-04-24 Impact Selector International, Llc Impact sensing during jarring operations
US10711548B2 (en) 2017-08-18 2020-07-14 Saudi Arabian Oil Company Traversing across a wash-out zone in a wellbore
US10927670B2 (en) 2018-06-28 2021-02-23 Halliburton Energy Services, Inc. Logging while running casing

Family Cites Families (131)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379800A (en) * 1941-09-11 1945-07-03 Texas Co Signal transmission system
US2414719A (en) * 1942-04-25 1947-01-21 Stanolind Oil & Gas Co Transmission system
US2470743A (en) * 1944-09-16 1949-05-17 Socony Vacuum Oil Co Inc Method and apparatus for geophysical prospecting
US2508722A (en) * 1945-12-28 1950-05-23 Edwin C Loesser Collapsible tube holder
US2469461A (en) * 1946-01-04 1949-05-10 Stanolind Oil & Gas Co Gamma-ray logging
US2469463A (en) * 1946-01-18 1949-05-10 Stanolind Oil & Gas Co Neutron logging of wells
US2659014A (en) 1951-07-05 1953-11-10 Perforating Guns Atlas Corp Radioactivity well logging system
US2782318A (en) * 1951-08-09 1957-02-19 Texas Co Radioactivity earth exploration
US2933609A (en) * 1954-05-11 1960-04-19 Dresser Ind Radioactivity well surveying
US2949535A (en) * 1955-02-09 1960-08-16 Pgac Dev Company Nuclear well logging method and apparatus
US2862106A (en) 1955-07-07 1958-11-25 Serge A Scherbatskoy Apparatus for deep-well logging
US2910591A (en) 1956-09-24 1959-10-27 California Research Corp Carbon logging through casing
US3090867A (en) * 1957-10-14 1963-05-21 Robert K Swanson Method of and apparatus for radioactivity well logging
US2993994A (en) * 1957-12-06 1961-07-25 Texaco Inc Radiation well logging
US3121164A (en) * 1958-10-27 1964-02-11 Well Surveys Inc Geophysical prospecting method by means of nuclear radiation
US3071687A (en) * 1959-04-10 1963-01-01 Well Surveys Inc Geophysical prospecting methods and apparatus
US3151242A (en) * 1959-06-15 1964-09-29 Texaco Inc Radioactivity well logging
US3147378A (en) * 1959-06-15 1964-09-01 Texaco Inc Radioactivity well logging
US3219820A (en) 1959-06-15 1965-11-23 Texaco Inc Radioactivity well logging for detecting hydrogen and chlorine
US3090031A (en) * 1959-09-29 1963-05-14 Texaco Inc Signal transmission system
US3240938A (en) * 1960-10-14 1966-03-15 Texaco Inc Radioactivity well logging for determining the presence of hydrogen and chlorine
US3244880A (en) * 1960-12-27 1966-04-05 Phillips Petroleum Co Neutron and gamma ray well logging for chlorine content
US3247377A (en) * 1962-04-12 1966-04-19 Texaco Inc Scintillation-type well logging device with two crystals responding separately to thermal neutrons and gamma rays
USB403027I5 (en) * 1963-06-13 1900-01-01
US3240937A (en) * 1963-06-14 1966-03-15 Texaco Inc Radioactivity well logging for deter-mining the presence of hydrogen
US3413472A (en) 1964-08-28 1968-11-26 Mobil Oil Corp Logging system and method for identifying anhydrites
US3439165A (en) * 1965-01-06 1969-04-15 Dresser Ind Radioactive well logging system having a multiple conductor cable
US3461291A (en) * 1967-06-22 1969-08-12 Schlumberger Technology Corp Well logging device using a pulsed source of monoenergetic neutrons
US3532884A (en) 1967-10-27 1970-10-06 Schlumberger Technology Corp Multiple detector neutron logging technique
US3564248A (en) * 1967-11-29 1971-02-16 Dresser Ind Method and apparatus for calibrating pulsed neutron well logging instrument
US3559905A (en) * 1968-01-09 1971-02-02 Corod Mfg Ltd roeder; Werner H.
US3490280A (en) * 1968-01-22 1970-01-20 Schlumberger Technology Corp Methods and apparatus for logging underwater well bores
US3566682A (en) * 1969-01-22 1971-03-02 Schlumberger Technology Corp Radioactivity and electrical logging tool combination
US3611799A (en) 1969-10-01 1971-10-12 Dresser Ind Multiple chamber earth formation fluid sampler
US3696332A (en) 1970-05-25 1972-10-03 Shell Oil Co Telemetering drill string with self-cleaning connectors
US3772513A (en) 1971-03-05 1973-11-13 Texaco Inc Radioactivity oil-water well logging utilizing neutron source
CA953785A (en) * 1971-03-09 1974-08-27 Rudolf J. Rammner Apparatus for transmitting data from a hole drilled in the earth
US3780301A (en) 1971-09-20 1973-12-18 Texaco Inc Pulsed neutron logging systems for detecting gas zones
US3755782A (en) * 1972-08-28 1973-08-28 Ibm Communication system polling method
US3930153A (en) 1974-12-12 1975-12-30 Texaco Inc Measurement of subsurface formation lithology, including composition and fluids, using capture gamma spectroscopy
US4002903A (en) * 1975-03-07 1977-01-11 Texaco Inc. Simultaneous thermal neutron decay time and shale compensated chlorine log system
US3988581A (en) 1975-04-14 1976-10-26 Texaco Inc. Radioactive well logging system with shale (boron) compensation by gamma ray build-up
US4066892A (en) * 1976-08-16 1978-01-03 Mobil Oil Corporation Coal logging system
FR2379694A1 (en) 1977-02-03 1978-09-01 Schlumberger Prospection BOREHOLE DATA TRANSMISSION SYSTEM
US4095865A (en) * 1977-05-23 1978-06-20 Shell Oil Company Telemetering drill string with piped electrical conductor
US4226116A (en) 1979-01-08 1980-10-07 Shell Oil Company Logging while raising a drill string
US4227405A (en) 1979-04-06 1980-10-14 Century Geophysical Corporation Digital mineral logging system
US4327290A (en) * 1979-11-02 1982-04-27 Schlumberger Technology Corp. Method and apparatus for nuclear well logging with optimized timing for simultaneous measurement of thermal neutron decay time and gamma ray pulse height spectra
US4320800A (en) * 1979-12-14 1982-03-23 Schlumberger Technology Corporation Inflatable packer drill stem testing system
US4404467A (en) * 1980-10-31 1983-09-13 Schlumberger Technology Corporation Salinity and lithology determination from the sodium and chlorine activation lines
FR2501777B1 (en) * 1981-03-13 1986-08-29 Inst Francais Du Petrole METHOD AND DEVICE FOR PERFORMING OPERATIONS SUCH AS MEASUREMENTS, SUCH AS MEASUREMENTS, IN WELL PORTIONS INCLUDING VERTICAL OR HORIZONTAL WELLS
US4459480A (en) * 1981-12-04 1984-07-10 Mobil Oil Corporation Use of pulsed neutron logging to evaluate perforation washing
US4445734A (en) * 1981-12-04 1984-05-01 Hughes Tool Company Telemetry drill pipe with pressure sensitive contacts
FR2519689A1 (en) * 1982-01-12 1983-07-18 Elf Aquitaine INSTALLATION FOR TESTING A WELL WITH A IMMERED PUMP AND METHOD FOR ITS IMPLEMENTATION
US4996017A (en) * 1982-03-01 1991-02-26 Halliburton Logging Services Inc. Neutron generator tube
US4510797A (en) * 1982-09-23 1985-04-16 Schlumberger Technology Corporation Full-bore drill stem testing apparatus with surface pressure readout
US4490788A (en) 1982-09-29 1984-12-25 Schlumberger Technology Corporation Well-logging data processing system having segmented serial processor-to-peripheral data links
US4605268A (en) * 1982-11-08 1986-08-12 Nl Industries, Inc. Transformer cable connector
US4628202A (en) 1983-04-15 1986-12-09 Dresser Industries, Inc. Method and apparatus for gamma ray well logging
US4585939A (en) * 1983-10-05 1986-04-29 Halliburton Company Multi-function natural gamma ray logging system
US4580632A (en) * 1983-11-18 1986-04-08 N. J. McAllister Petroleum Industries Inc. Well tool for testing or treating a well
FR2557318A1 (en) 1983-12-26 1985-06-28 A2F ELECTRONIC DEVICE PROVIDING A UNIVERSAL INTERFACE BETWEEN SENSORS AND AN APPARATUS FOR INPUT AND SIGNAL PROCESSING FROM SUCH SENSORS
US4566318A (en) * 1984-03-30 1986-01-28 Nl Industries, Inc. Method for optimizing the tripping velocity of a drill string
US4570480A (en) * 1984-03-30 1986-02-18 Nl Industries, Inc. Method and apparatus for determining formation pressure
US4682657A (en) * 1985-02-14 1987-07-28 Crawford James B Method and apparatus for the running and pulling of wire-line tools and the like in an oil or gas well
US4645926A (en) * 1985-04-10 1987-02-24 Dresser Industries, Inc. Method for induced gamma ray logging
US4656354A (en) * 1985-04-10 1987-04-07 Dresser Industries, Inc. Method for induced gamma ray logging
US4883956A (en) 1985-12-23 1989-11-28 Schlumberger Technology Corporation Methods and apparatus for gamma-ray spectroscopy and like measurements
US4721853A (en) * 1986-01-31 1988-01-26 Schlumberger Technology Corporation Thermal decay time logging method and apparatus
CA1249772A (en) * 1986-03-07 1989-02-07 David Sask Drill stem testing system
FR2596875B1 (en) * 1986-04-04 1988-12-30 Inst Francais Du Petrole METHOD AND DEVICE FOR PERFORMING MEASUREMENTS CHARACTERIZING GEOLOGICAL FORMATIONS, IN A HORIZONTAL DRILLING CARRIED OUT FROM AN UNDERGROUND TRACK
GB2195023B (en) 1986-09-04 1990-03-14 Sperry Sun Inc Improvements in or relating to the surveying of boreholes
US4788544A (en) 1987-01-08 1988-11-29 Hughes Tool Company - Usa Well bore data transmission system
US4790378A (en) 1987-02-06 1988-12-13 Otis Engineering Corporation Well testing apparatus
US4901069A (en) * 1987-07-16 1990-02-13 Schlumberger Technology Corporation Apparatus for electromagnetically coupling power and data signals between a first unit and a second unit and in particular between well bore apparatus and the surface
US4806928A (en) * 1987-07-16 1989-02-21 Schlumberger Technology Corporation Apparatus for electromagnetically coupling power and data signals between well bore apparatus and the surface
US4833320A (en) * 1988-03-02 1989-05-23 Bicron Corporation High-temperature well logging instrument with plastic scintillation element
FR2631708B1 (en) * 1988-05-20 1990-09-28 Inst Francais Du Petrole DEVICE FOR PERFORMING MEASUREMENTS OR INTERVENTIONS IN A WELL, METHOD USING THE DEVICE AND APPLICATIONS OF THE DEVICE
US5019978A (en) * 1988-09-01 1991-05-28 Schlumberger Technology Corporation Depth determination system utilizing parameter estimation for a downhole well logging apparatus
NO178083C (en) * 1988-10-14 1996-01-17 Inst Francais Du Petrole Method and device for logging in a production well
US4918314A (en) * 1989-01-06 1990-04-17 Halliburton Logging Services, Inc. Gain stabilization circuit for photomultiplier tubes
US4972082A (en) * 1989-03-16 1990-11-20 Schlumberger Technology Corporation Methods and apparatus for epithermal neutron logging
US5010764A (en) * 1989-11-01 1991-04-30 Marathon Oil Company Method and apparatus for logging short radius horizontal drainholes
US5053620A (en) 1989-12-13 1991-10-01 Schlumberger Technology Corporation Logging apparatus and method for determining concentrations of subsurface formation elements
US5097123A (en) * 1990-02-07 1992-03-17 Schlumberger Technology Corporation Broad energy spectra neutron source for logging and method
US5234058A (en) * 1990-03-15 1993-08-10 Conoco Inc. Composite rod-stiffened spoolable cable with conductors
US5080175A (en) * 1990-03-15 1992-01-14 Williams Jerry G Use of composite rod-stiffened wireline cable for transporting well tool
US5172765A (en) 1990-03-15 1992-12-22 Conoco Inc. Method using spoolable composite tubular member with energy conductors
US5081351A (en) * 1990-10-31 1992-01-14 Schlumberger Technology Corporation Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements
FR2669077B2 (en) * 1990-11-09 1995-02-03 Institut Francais Petrole METHOD AND DEVICE FOR PERFORMING INTERVENTIONS IN WELLS OR HIGH TEMPERATURES.
FR2681461B1 (en) * 1991-09-12 1993-11-19 Geoservices METHOD AND ARRANGEMENT FOR THE TRANSMISSION OF INFORMATION, PARAMETERS AND DATA TO AN ELECTRO-MAGNETIC RECEIVING OR CONTROL MEMBER ASSOCIATED WITH A LONG LENGTH SUBTERRANEAN PIPING.
FR2683590B1 (en) * 1991-11-13 1993-12-31 Institut Francais Petrole MEASURING AND INTERVENTION DEVICE IN A WELL, ASSEMBLY METHOD AND USE IN AN OIL WELL.
US5635631A (en) * 1992-06-19 1997-06-03 Western Atlas International, Inc. Determining fluid properties from pressure, volume and temperature measurements made by electric wireline formation testing tools
US5279366A (en) * 1992-09-01 1994-01-18 Scholes Patrick L Method for wireline operation depth control in cased wells
US5351531A (en) 1993-05-10 1994-10-04 Kerr Measurement Systems, Inc. Depth measurement of slickline
FR2712628B1 (en) * 1993-11-15 1996-01-12 Inst Francais Du Petrole Measuring device and method in a hydrocarbon production well.
US5410152A (en) * 1994-02-09 1995-04-25 Halliburton Energy Services Low-noise method for performing downhole well logging using gamma ray spectroscopy to measure radioactive tracer penetration
US5488989A (en) * 1994-06-02 1996-02-06 Dowell, A Division Of Schlumberger Technology Corporation Whipstock orientation method and system
FR2722238B1 (en) * 1994-07-05 1996-08-30 Inst Francais Du Petrole MEASUREMENT ASSEMBLY COMPRISING MEANS OF ORIENTATION OF A PART OF THE MEASUREMENT ELEMENTS
US5608215A (en) * 1994-09-16 1997-03-04 Schlumberger Technology Corporation Method and apparatus for determining density of earth formations
US5581024A (en) 1994-10-20 1996-12-03 Baker Hughes Incorporated Downhole depth correlation and computation apparatus and methods for combining multiple borehole measurements
US5530359A (en) * 1995-02-03 1996-06-25 Schlumberger Technology Corporation Borehole logging tools and methods using reflected electromagnetic signals
US5585726A (en) 1995-05-26 1996-12-17 Utilx Corporation Electronic guidance system and method for locating a discrete in-ground boring device
US5608214A (en) * 1995-10-30 1997-03-04 Protechnics International, Inc. Gamma ray spectral tool for well logging
US5740864A (en) * 1996-01-29 1998-04-21 Baker Hughes Incorporated One-trip packer setting and whipstock-orienting method and apparatus
US5749417A (en) * 1996-03-05 1998-05-12 Panex Corporation Production log
FR2750450B1 (en) * 1996-07-01 1998-08-07 Geoservices ELECTROMAGNETIC WAVE INFORMATION TRANSMISSION DEVICE AND METHOD
US6041860A (en) * 1996-07-17 2000-03-28 Baker Hughes Incorporated Apparatus and method for performing imaging and downhole operations at a work site in wellbores
US5753813A (en) * 1996-07-19 1998-05-19 Halliburton Energy Services, Inc. Apparatus and method for monitoring formation compaction with improved accuracy
US5947213A (en) * 1996-12-02 1999-09-07 Intelligent Inspection Corporation Downhole tools using artificial intelligence based control
US5864772A (en) * 1996-12-23 1999-01-26 Schlumberger Technology Corporation Apparatus, system and method to transmit and display acquired well data in near real time at a remote location
US6693553B1 (en) * 1997-06-02 2004-02-17 Schlumberger Technology Corporation Reservoir management system and method
FR2769664B1 (en) * 1997-10-13 1999-12-17 Inst Francais Du Petrole MEASUREMENT METHOD AND SYSTEM HAVING SEMI-RIGID EXTENSION
FR2769665B1 (en) * 1997-10-13 2000-03-10 Inst Francais Du Petrole MEASUREMENT METHOD AND SYSTEM IN A HORIZONTAL DUCT
US6177882B1 (en) * 1997-12-01 2001-01-23 Halliburton Energy Services, Inc. Electromagnetic-to-acoustic and acoustic-to-electromagnetic repeaters and methods for use of same
US6218959B1 (en) * 1997-12-03 2001-04-17 Halliburton Energy Services, Inc. Fail safe downhole signal repeater
US6247542B1 (en) * 1998-03-06 2001-06-19 Baker Hughes Incorporated Non-rotating sensor assembly for measurement-while-drilling applications
US6199628B1 (en) * 1998-04-20 2001-03-13 Halliburton Energy Services, Inc. Downhole force generator and method
US7283061B1 (en) * 1998-08-28 2007-10-16 Marathon Oil Company Method and system for performing operations and for improving production in wells
US6736210B2 (en) * 2001-02-06 2004-05-18 Weatherford/Lamb, Inc. Apparatus and methods for placing downhole tools in a wellbore
US20030147360A1 (en) * 2002-02-06 2003-08-07 Michael Nero Automated wellbore apparatus
US6173773B1 (en) * 1999-04-15 2001-01-16 Schlumberger Technology Corporation Orienting downhole tools
CA2313919C (en) * 2000-07-17 2008-09-23 C-Tech Energy Services Inc. Downhole communication method and apparatus
US6703606B2 (en) * 2000-09-28 2004-03-09 Schlumberger Technology Corporation Neutron burst timing method and system for multiple measurement pulsed neutron formation evaluation
US6520264B1 (en) * 2000-11-15 2003-02-18 Baker Hughes Incorporated Arrangement and method for deploying downhole tools
US6516663B2 (en) * 2001-02-06 2003-02-11 Weatherford/Lamb, Inc. Downhole electromagnetic logging into place tool
US6655460B2 (en) * 2001-10-12 2003-12-02 Weatherford/Lamb, Inc. Methods and apparatus to control downhole tools
US6985553B2 (en) * 2002-01-23 2006-01-10 The Regents Of The University Of California Ultra-short ion and neutron pulse production
US6850462B2 (en) * 2002-02-19 2005-02-01 Probe Technology Services, Inc. Memory cement bond logging apparatus and method
US6777940B2 (en) * 2002-11-08 2004-08-17 Ultima Labs, Inc. Apparatus and method for resistivity well logging
US7394257B2 (en) * 2005-03-30 2008-07-01 Schlumberger Technology Corporation Modular downhole tool system

Also Published As

Publication number Publication date
CA2543877C (en) 2009-06-16
US7407006B2 (en) 2008-08-05
GB2425553B (en) 2008-01-16
GB0607868D0 (en) 2006-05-31
GB2425553A (en) 2006-11-01
GB0719696D0 (en) 2007-11-14
US20050211433A1 (en) 2005-09-29
GB2443293B (en) 2009-02-11
GB2443293A (en) 2008-04-30

Similar Documents

Publication Publication Date Title
CA2543877A1 (en) System for logging formations surrounding a wellbore
CA2540434A1 (en) Well communication system
CA2431288A1 (en) Method of placing downhole tools in a wellbore
GB0407977D0 (en) Communication between browser windows
EG23952A (en) Drill bit, system and method for drilling a borehole in an earth formation
GB2459998B (en) Wellbore communication, downhole module and method for communicating
NO20053299L (en) Device and system for source location and reservoir characterization.
MX2010006094A (en) Apparatus and system for well placement and reservoir characterization.
AU2001275776A1 (en) Methods, systems and tools for borehole logging
AU2003277291A1 (en) High data rate borehole telemetry system
GB0410269D0 (en) Expandable downhole tool, drilling assembly and method
GB2482614A (en) Methods and systems for borehole telemetry
NO20052721D0 (en) Procedure for drilling and finishing subsea wells, as well as subsea well mounting
WO2007024263A3 (en) Portable electrocrushing drill
WO2005068777A3 (en) Methods of using sealants in multilateral junctions
EG23211A (en) Drilling system and method for drillig a borehole.
AU2003292390A1 (en) Downhole tool with actuable barrier
WO2011008544A3 (en) Wellbore laser operations
WO2009026146A3 (en) Downhole communications module
AU2003268754A1 (en) Bit string check method and device
NO343855B1 (en) Side pocket spindle as well as production string that produces a fluid from a borehole drilled in an underground formation.
AU2003903831A0 (en) Downhole hammer drill
GB2392179B (en) Downhole logging into place tool
EG23355A (en) Drilling assembly and method for drilling a borehole into geological formations.
GB2417779B (en) Formation Characterization Using Wellbore Logging Data

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20210419

MKLA Lapsed

Effective date: 20210419