WO2005103449A1 - Downhole light generating systems and methods of use - Google Patents
Downhole light generating systems and methods of use Download PDFInfo
- Publication number
- WO2005103449A1 WO2005103449A1 PCT/IB2005/051317 IB2005051317W WO2005103449A1 WO 2005103449 A1 WO2005103449 A1 WO 2005103449A1 IB 2005051317 W IB2005051317 W IB 2005051317W WO 2005103449 A1 WO2005103449 A1 WO 2005103449A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wellbore
- optical energy
- parameter
- light generating
- optical
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 82
- 239000012530 fluid Substances 0.000 claims description 38
- 238000005259 measurement Methods 0.000 claims description 34
- 230000008859 change Effects 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000001131 transforming effect Effects 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 4
- 230000000704 physical effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 8
- 230000002706 hydrostatic effect Effects 0.000 claims 4
- 230000005855 radiation Effects 0.000 claims 2
- 230000035699 permeability Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000013589 supplement Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005770 birds nest Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000005765 wild carrot Nutrition 0.000 description 1
Classifications
-
- 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
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
- E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
-
- 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
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/113—Locating fluid leaks, intrusions or movements using electrical indications; using light radiations
- E21B47/114—Locating fluid leaks, intrusions or movements using electrical indications; using light radiations using light radiation
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
- E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
Definitions
- the present invention relates generally to oilfield operations and more particularly methods and apparatus using fiber optics in coiled tubing operations in a wellbore.
- wireline to coiled tubing operations
- the addition of wireline to a coiled tubing string significantly increases the weight ⁇ f a coiled tubing string. Installation of the wireline into the coiled tubing string is difficult and the wireline is prone to bunch into a knotty mass or "bird nest" within the coiled tubing.
- This, and the relatively large outer diameter of wireline compared to the internal diameter of coiled tubing can undesirably obstruct the flow of fluids through the coiled tubing, such flow through die coiled tubing frequently being an integral part of the wellbore- operation.
- a light generating system for use In a wellbore comprises (a) a light generating transducer in the wellbore, the light generating transducer adapted to transform a physical state of a parameter in the wellbore to optical energy; (b) recording equipment sensitive to optical energy to record a physical state; and (c) n optical waveguide for conveying the optical energy from the light generating transducer to the recording equipment.
- the electrical pulse generated when taking a downhole measurement also powers a light source that communicates via optical fiber to a detector at the surface.
- an alternate method of generating the electrical power may further utilize a small downhole device, such as a bias battery or a circuit, to power the light source, to generate a downhole electrical pulse, or to supplement the electrical pulse generated by taking a downhole measurement-
- a small downhole device such as a bias battery or a circuit
- One method may use a bias battery in conjunction with the electrical pulse generated by the measurement to power the light source.
- Another method may use a small, minimum component circuit in which the electrical pulse generated by the taking a downhole measurement is amplified to power the light source
- a third alternate embodiment may us ⁇ a small circuit by which an electrical pulse generated by the downhole measurement triggers a small downhole electrical pulse to power the light source.
- a fiber optic based casing collar locator is provided.
- the voltage generated when the casing collar locator passes a metallic anomaly, such as a casing collar, in the tubing or casing string, is used to power a downhole light source, which then sends a light signal into an optical fiber that is connected to a measuring and recording device at the surface of the ground,
- a fiber optic based resistivity tool is provided that distinguishes between water and oil at the tool location.
- the downhole fluid is used as an electrolyte in a galvanic cell.
- a fiber optic based spinner which uses fluid flow in the wellbore.
- the spinner uses a downhole light source to generate light pulses at a frequency related to the velocity of the fluid flowing past the spinner.
- the rotation of die spinner generates the electricity required to ⁇ ower the light source.
- the intensity of the light pulses are modulated, instead of the frequency of the light pulses.
- the light pulses have the added benefit of enabling quadrature to discern the direction of rotation, hi still another alternate embodiment of this third preferred embodiment, both intensity and frequency are modulated.
- Fig, I is a schematic diagram of a fiber optic casing collar locator.
- Fig, 1 is a, circuit diagram of a fiber optic casing collar locator.
- Fig, 3 is a schematic diagram of a fiber optic resistivity detector.
- Fig, 4 is a circuit diagram of a fiber optic resistivity detector.
- Fig, 5 is a schematic diagram of a fiber optic spinner,
- the present invention in its broad .aspects is a light generating system for use in a wellbore and methods of use- thereof.
- the invention comprises measurement equipment sensitive to optical energy to measure record a physical state and a light generating transducer in the wellbore, the Ight generating transducer adapted to transjform a physical state of a parameter in the wellbore to optical energy.
- the. invention comprises an optical waveguide for conveying the optical energy from the light generating transducer to receiving equipment.
- the optical waveguide may be, for example, one or more optical fibers, the fibers being single or multimode fibers,
- the waveguide may be fluid filledL
- the invention provides a method for measuring parameters to a wellbore and communicating the measurements, the method including providing a light generating transducer in the wellbore, the light generating transducer adapted to transform a physical state of a parameter in the ellbore to optical energy; transforming the physical state of a parameter in the wellbore to optical energy; and conveying the optical energy from the light generating transducer by means of an optical waveguide to receiving equipment [0015]
- the invention provides a method for generating optical energy in a wellbore, the method including conveying into a wellbore measurement equipment sensitive to optical energy for measuring a physical state; measuring a physical state of a parameter using the conveyed equipment; and using a light generating transducer to transforming the measurement of the physical parameter to optical energy; wherein the step of transforming is powered by the measurement of the physical parameter.
- coiled tubing is used to convey the wellbore measurement equipment into the wellbore, and in some further
- each of these embodiments include measurement equipment sensitive to optical energy to measure a physical state; a light generating transducer in the wellbore, the light generating transducer adapted to transform the measurement of a physical state of a parameter in the wellbore to optical energy; and an optical waveguide for conveying the optical energy from the light generating transducer to receiving equipment,
- a casing collar locator 10 is shown as a light generating transducer.
- the voltage generated when casing collar locator 10 passes a metallic anomaly, such as a casing collar, in the tubing or casing string, is used to power a downhole light source, which then sends a light signal into an optical fiber that is connected to a measuring and recording device at die surface of the ground.
- the casing collar locator 1$ of Fig. 1 comprises a housing 18 having an optional flow passage 20 extending therethrough.
- a coil 12 connected to a tight source 16 is disposed in annular space 22 located between the housing 18 and the flow passage 20.
- An optical waveguide 24 connects light source 16 to receiving equipment (receiving equipment).
- the receiving equipment may be disposed at the surface and may contain recording equipment
- optical waveguide 16 may comprise an optical fiber, and in some embodiments, optical waveguide 16 may be fluid filled.
- Optical energy from the Eght generating transducer (shown in Fig 1 as casing collar locator 10) is conveyed via waveguide 16 to receiving equipment (not shown),
- the casing collar locator 10 comprises a coil 12, a resistor 14, and a light source 16.
- the resistor may be a 40-ohm resistor.
- the light source may be any suitable source such small low power laser > a velocity cavity surface emitting laser (VCSEL), or an available LED light source such as a GaAlAs LED commercially available- from Optek Technology,
- casing collar locator 10 When casing collar locator 10 is moved in a wellbore past an anomaly in the easing, such as a casing collar, casing collar locator 10 senses a change in the magnetic field. When the magnetic field through the coil 12 changes, a voltage drop is produced across the coll 12, The change in voltage is used to power LED light source 16 that generates optical energy in the form of light in the wellbore. In this way. the present invention provides a passive downhole light generating system through the use of a self-c ⁇ ntamed fiber optic casing collar locator 10.
- An alternative embodiment may use a small supplemental energy source, such as a bias battery, to supplement the electrical pulse generated by the measurement is used in conjunction with the bias battery to power the light source.
- a small supplemental energy source such as a bias battery
- This alternate method was also demonstrated in the lab and in a test welt
- a small minimum component circuit similarly may be used to amplify the electrical pulse generated by the measurement of a physical parameter.
- the electrical pulse generated by the measurement may be used to trigger a small circuit to generate a downhole electrical source that powers the light source.
- Resistivity detector 3-0 comprises a housing 18 having an optional flow passage 20 extending through the middle of the housing 18, Such an optional flow passage particularly is useful when the casing collar locator is deployed on coiled tubing.
- Galvanic cell 34 is connected to the light source 16, the galvanic cell 34 and light source 16 being located in annular space 22 between housing 18 and flow passage 20, The light source 16 connects via the optical waveguide 24 in the annular space 22 to surface measuring and recording equipment- not shown,
- resistivity detector 30 may include a resistor 32 > a galvanic cell 34, and light source 16 shown as a light emitting diode (LED), Galvanic cell 34 comprises two dissimilar metals in an electrolyte, such as aeid or saltwater. By choosing the metals appropriately (ie. one being anodic, the other cathodic), a known voltage differential can be measured across the two surfaces. In the preferred embodiment, anc (anode) and copper (cathode) are placed in saltwater, thus producing a predictable voltage and a weak current
- the voltage produced from the galvanic cell 34 drives light source 16
- a small battery such as a bias battery
- the light source with the circuit completed by the conductive reservoir fluid completes the circuit
- a small minimum component circuit similarly may be used to amplify the electrical pulse generated by the measurement of a physical parameter, fit a similar embodiment, the electrical pulse generated by the measurement may be used to trigger a small circuit: to generate a downhole electrical source that powers the light source.
- an electrolyte coating may be used on galvanic cell plates to increase the sensitivity to water; such coatings are particularly Useful if the water being produced by the well is not very conductive. Normally- a galvanic cell produces zero signal for oil, and a maximum signal for water. As with the casing collar locator 10, the resistivity detector 30 is a passive and self-contained device that can differentiate between water and oil, and then send a corresponding signal to equipment at the surface of the ground,
- a fiber optic spinner tool 40 is a light generating transducer
- the fiber optic spinner tool 40 comprises a housing 42 containing a shaft 44, which passes through bearings and seals 46 mounted in the housing 42, Connected to an end of the shaft 44 is a spinner 48 that turns in response to flowing fluid.
- a mounting disc 50 is connected to the shaft 44.
- a magnet 52 is connected on an edge of the mounting disc and a wire coil 54 is mounted in the housing 42 just abo e 1 the magnet 52.
- Light source 16 connect to the coil 54, and is energized at a frequency that corresponds to a rotational speed (and direction if quadrature is used) of the spinner 48. That is, as the magnet 52 moves past the coil 54, the magnet 52 induces enough voltage and current to energize the LED light source 16 » which connects via the optical waveguide 24 to receiving equipment, not shown.
- the receiving equipment may be recording equipment disposed at the surface.
- optical waveguide 24 may be disposed within coiled tubing and the spinner tool deployed into the wellbore on coiled tubing.
- fiber optic spinner tool 40 converts the rotary power of spinner 48, moving in response to fluid flow, to optical energy.
- fluid flow in a wellbore environment may be from a variety of sources.
- pressured fluid from the surface may be provided in the annulus of the wellbore or through coiled tubing.
- fluid flow may be provided via the same coiled tubing string in which optical waveguide 24 is disposed.
- fluid flow within the well may suffice to rotate spinner 48,
- fiber optic spinner tool 40 may be moved on a conveyance such as coiled tubing through wellbore fluid, thereby generating the fluid flow to rotate spinner 48,
- the present invention comprises methods for generating optical energy in a wellbore by converting a measurement of a physical parameter in a wellbore to optical energy.
- coiled tubing ⁇ s used to convey the measurement equipment into the wellbore and in some embodiments, a small power source may be used to supplement the power generated by the measurement of the physical parameter.
- the present invention comprises a method for measuring parameters in a wellbore and communicating the results using optical energy generated from the transformation of a physical state of a wellbore parameter to optical energy.
- a nail and a screw may not be structural equivalents in that a nail employs a cylindrical surface to secure wooden parts together, whereas a screw employs a helical surface, in the environment of fastening wooden parts, a nail and a screw may be equivalent stractares. It is the express intention of the applicant not to invoke 35 U.S.C, ⁇ 112. paragraph 6 for any limitations of any of the claims herein, except for those in which the claim expressly uses the words *means o ' together with an associated function.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007509050A JP2007535664A (en) | 2004-04-23 | 2005-04-21 | Underground light generation system and method of use |
GB0619237A GB2428442B (en) | 2004-04-23 | 2005-04-21 | Downhole light generating systems and methods of use |
EA200601961A EA011899B1 (en) | 2004-04-23 | 2005-04-21 | Downhole light generating systems and methods of use |
MXPA06011982A MXPA06011982A (en) | 2004-04-23 | 2005-04-21 | Downhole light generating systems and methods of use. |
CA002561668A CA2561668C (en) | 2004-04-23 | 2005-04-21 | Downhole light generating systems and methods of use |
NO20065261A NO20065261L (en) | 2004-04-23 | 2006-11-15 | Downhole light generation systems and methods of use |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56485704P | 2004-04-23 | 2004-04-23 | |
US60/564,857 | 2004-04-23 | ||
US11/102,036 | 2005-04-08 | ||
US11/102,036 US7077200B1 (en) | 2004-04-23 | 2005-04-08 | Downhole light system and methods of use |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005103449A1 true WO2005103449A1 (en) | 2005-11-03 |
Family
ID=34964685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2005/051317 WO2005103449A1 (en) | 2004-04-23 | 2005-04-21 | Downhole light generating systems and methods of use |
Country Status (9)
Country | Link |
---|---|
US (1) | US7077200B1 (en) |
JP (1) | JP2007535664A (en) |
CA (1) | CA2561668C (en) |
DK (1) | DK176621B1 (en) |
EA (1) | EA011899B1 (en) |
GB (1) | GB2428442B (en) |
MX (1) | MXPA06011982A (en) |
NO (1) | NO20065261L (en) |
WO (1) | WO2005103449A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110989033A (en) * | 2019-11-28 | 2020-04-10 | 徐州苏创信息技术有限公司 | Electronic product safety inspection check out test set |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA05001618A (en) | 2002-08-15 | 2005-04-25 | Schlumberger Technology Bv | Use of distributed temperature sensors during wellbore treatments. |
US7617873B2 (en) | 2004-05-28 | 2009-11-17 | Schlumberger Technology Corporation | System and methods using fiber optics in coiled tubing |
US9540889B2 (en) * | 2004-05-28 | 2017-01-10 | Schlumberger Technology Corporation | Coiled tubing gamma ray detector |
US7857050B2 (en) * | 2006-05-26 | 2010-12-28 | Schlumberger Technology Corporation | Flow control using a tortuous path |
US7654318B2 (en) * | 2006-06-19 | 2010-02-02 | Schlumberger Technology Corporation | Fluid diversion measurement methods and systems |
US7789145B2 (en) * | 2007-06-20 | 2010-09-07 | Schlumberger Technology Corporation | Inflow control device |
US7877009B2 (en) * | 2007-12-20 | 2011-01-25 | 3M Innovative Properties Company | Method and system for electrochemical impedance spectroscopy |
US7413011B1 (en) * | 2007-12-26 | 2008-08-19 | Schlumberger Technology Corporation | Optical fiber system and method for wellhole sensing of magnetic permeability using diffraction effect of faraday rotator |
US9175559B2 (en) * | 2008-10-03 | 2015-11-03 | Schlumberger Technology Corporation | Identification of casing collars while drilling and post drilling using LWD and wireline measurements |
US20100309750A1 (en) * | 2009-06-08 | 2010-12-09 | Dominic Brady | Sensor Assembly |
US8930143B2 (en) | 2010-07-14 | 2015-01-06 | Halliburton Energy Services, Inc. | Resolution enhancement for subterranean well distributed optical measurements |
US8584519B2 (en) | 2010-07-19 | 2013-11-19 | Halliburton Energy Services, Inc. | Communication through an enclosure of a line |
US10145975B2 (en) | 2011-04-20 | 2018-12-04 | Saudi Arabian Oil Company | Computer processing of borehole to surface electromagnetic transmitter survey data |
US9127532B2 (en) * | 2011-09-07 | 2015-09-08 | Halliburton Energy Services, Inc. | Optical casing collar locator systems and methods |
US9127531B2 (en) * | 2011-09-07 | 2015-09-08 | Halliburton Energy Services, Inc. | Optical casing collar locator systems and methods |
US9187983B2 (en) * | 2011-11-07 | 2015-11-17 | Schlumberger Technology Corporation | Downhole electrical energy conversion and generation |
US20130249705A1 (en) * | 2012-03-21 | 2013-09-26 | Halliburton Energy Services, Inc. | Casing collar locator with wireless telemetry support |
US9689227B2 (en) | 2012-06-08 | 2017-06-27 | Halliburton Energy Services, Inc. | Methods of adjusting the rate of galvanic corrosion of a wellbore isolation device |
US9759035B2 (en) | 2012-06-08 | 2017-09-12 | Halliburton Energy Services, Inc. | Methods of removing a wellbore isolation device using galvanic corrosion of a metal alloy in solid solution |
US9777549B2 (en) * | 2012-06-08 | 2017-10-03 | Halliburton Energy Services, Inc. | Isolation device containing a dissolvable anode and electrolytic compound |
US9689231B2 (en) | 2012-06-08 | 2017-06-27 | Halliburton Energy Services, Inc. | Isolation devices having an anode matrix and a fiber cathode |
US9823373B2 (en) * | 2012-11-08 | 2017-11-21 | Halliburton Energy Services, Inc. | Acoustic telemetry with distributed acoustic sensing system |
US9575209B2 (en) | 2012-12-22 | 2017-02-21 | Halliburton Energy Services, Inc. | Remote sensing methods and systems using nonlinear light conversion and sense signal transformation |
US9091785B2 (en) | 2013-01-08 | 2015-07-28 | Halliburton Energy Services, Inc. | Fiberoptic systems and methods for formation monitoring |
US10241229B2 (en) | 2013-02-01 | 2019-03-26 | Halliburton Energy Services, Inc. | Distributed feedback fiber laser strain sensor systems and methods for subsurface EM field monitoring |
US20140219056A1 (en) * | 2013-02-04 | 2014-08-07 | Halliburton Energy Services, Inc. ("HESI") | Fiberoptic systems and methods for acoustic telemetry |
GB2532604B (en) * | 2013-08-20 | 2020-03-25 | Halliburton Energy Services Inc | System for collecting wellbore information and method for monitoring environmental conditions proximate a drilling tool |
US9513398B2 (en) | 2013-11-18 | 2016-12-06 | Halliburton Energy Services, Inc. | Casing mounted EM transducers having a soft magnetic layer |
WO2015108627A1 (en) * | 2014-01-14 | 2015-07-23 | Halliburton Energy Services, Inc. | Isolation device containing a dissolvable anode and electrolytic compound |
MX2016012727A (en) * | 2014-04-16 | 2016-12-07 | Halliburton Energy Services Inc | Time-delay coating for dissolvable wellbore isolation devices. |
WO2015178878A1 (en) * | 2014-05-19 | 2015-11-26 | Halliburton Energy Services, Inc. | Optical magnetic field sensor units for a downhole environment |
WO2016032517A1 (en) | 2014-08-29 | 2016-03-03 | Schlumberger Canada Limited | Fiber optic magneto-responsive sensor assembly |
WO2016085511A1 (en) | 2014-11-26 | 2016-06-02 | Halliburton Energy Services, Inc. | Onshore electromagnetic reservoir monitoring |
US9651706B2 (en) | 2015-05-14 | 2017-05-16 | Halliburton Energy Services, Inc. | Fiberoptic tuned-induction sensors for downhole use |
US10400544B2 (en) | 2015-05-15 | 2019-09-03 | Halliburton Energy Services, Inc. | Cement plug tracking with fiber optics |
WO2017014773A1 (en) | 2015-07-22 | 2017-01-26 | Halliburton Energy Services, Inc. | Electromagnetic monitoring with formation-matched resonant induction sensors |
US10954777B2 (en) * | 2016-02-29 | 2021-03-23 | Halliburton Energy Services, Inc. | Fixed-wavelength fiber optic telemetry for casing collar locator signals |
CA3055613C (en) * | 2017-03-06 | 2021-11-30 | Saudi Arabian Oil Company | Computer processing of borehole to surface electromagnetic transmitter survey data |
US10955264B2 (en) | 2018-01-24 | 2021-03-23 | Saudi Arabian Oil Company | Fiber optic line for monitoring of well operations |
WO2020102202A1 (en) | 2018-11-13 | 2020-05-22 | Motive Drilling Technologies, Inc. | Apparatus and methods for determining information from a well |
US11365958B2 (en) | 2019-04-24 | 2022-06-21 | Saudi Arabian Oil Company | Subterranean well torpedo distributed acoustic sensing system and method |
US10883810B2 (en) | 2019-04-24 | 2021-01-05 | Saudi Arabian Oil Company | Subterranean well torpedo system |
US10995574B2 (en) | 2019-04-24 | 2021-05-04 | Saudi Arabian Oil Company | Subterranean well thrust-propelled torpedo deployment system and method |
US11352850B2 (en) * | 2020-02-01 | 2022-06-07 | Halliburton Energy Services, Inc. | Cement as a battery for detection downhole |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162400A (en) * | 1977-09-09 | 1979-07-24 | Texaco Inc. | Fiber optic well logging means and method |
US5453866A (en) * | 1992-12-03 | 1995-09-26 | Siemens Aktiengesellschaft | Method and system for sensing a physical quantity using analog optical signal transmission |
US5485745A (en) * | 1991-05-20 | 1996-01-23 | Halliburton Company | Modular downhole inspection system for coiled tubing |
FR2745847A1 (en) * | 1996-03-08 | 1997-09-12 | Inst Francais Du Petrole | Well measurement data transmission system |
US20010020675A1 (en) * | 1997-05-02 | 2001-09-13 | Tubel Paulo S. | Wellbores utilizing fiber optic-based sensors and operating devices |
US6450257B1 (en) * | 2000-03-25 | 2002-09-17 | Abb Offshore Systems Limited | Monitoring fluid flow through a filter |
US20030117134A1 (en) * | 2001-12-20 | 2003-06-26 | Schlumberger Technology Corporation | Downhole magnetic-field based feature detector |
GB2392462A (en) * | 2002-08-30 | 2004-03-03 | Schlumberger Holdings | Optical fibre conveyance, telemetry and actuation means |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4346478A (en) * | 1980-12-01 | 1982-08-24 | Siemens Corporation | Fiber optical sensor system, preferably for measuring physical parameters |
DE3138074A1 (en) * | 1981-09-24 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | ARRANGEMENT FOR TRANSMITTING MEASURED VALUES TO A REMOTE SITE |
JP2766747B2 (en) * | 1991-10-25 | 1998-06-18 | 株式会社三井造船昭島研究所 | Underground information collection device |
US6787758B2 (en) * | 2001-02-06 | 2004-09-07 | Baker Hughes Incorporated | Wellbores utilizing fiber optic-based sensors and operating devices |
EP1357401A3 (en) * | 1997-05-02 | 2004-01-02 | Sensor Highway Limited | A system for controlling a downhole device in a wellbore |
US6896056B2 (en) * | 2001-06-01 | 2005-05-24 | Baker Hughes Incorporated | System and methods for detecting casing collars |
JP2004053996A (en) * | 2002-07-22 | 2004-02-19 | Sumitomo Electric Ind Ltd | Optical cable for measuring geothermal temperature distribution in pit |
-
2005
- 2005-04-08 US US11/102,036 patent/US7077200B1/en not_active Expired - Fee Related
- 2005-04-21 WO PCT/IB2005/051317 patent/WO2005103449A1/en active Application Filing
- 2005-04-21 EA EA200601961A patent/EA011899B1/en not_active IP Right Cessation
- 2005-04-21 MX MXPA06011982A patent/MXPA06011982A/en active IP Right Grant
- 2005-04-21 CA CA002561668A patent/CA2561668C/en not_active Expired - Fee Related
- 2005-04-21 GB GB0619237A patent/GB2428442B/en not_active Expired - Fee Related
- 2005-04-21 JP JP2007509050A patent/JP2007535664A/en active Pending
-
2006
- 2006-09-29 DK DK200601260A patent/DK176621B1/en not_active IP Right Cessation
- 2006-11-15 NO NO20065261A patent/NO20065261L/en not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162400A (en) * | 1977-09-09 | 1979-07-24 | Texaco Inc. | Fiber optic well logging means and method |
US5485745A (en) * | 1991-05-20 | 1996-01-23 | Halliburton Company | Modular downhole inspection system for coiled tubing |
US5453866A (en) * | 1992-12-03 | 1995-09-26 | Siemens Aktiengesellschaft | Method and system for sensing a physical quantity using analog optical signal transmission |
FR2745847A1 (en) * | 1996-03-08 | 1997-09-12 | Inst Francais Du Petrole | Well measurement data transmission system |
US20010020675A1 (en) * | 1997-05-02 | 2001-09-13 | Tubel Paulo S. | Wellbores utilizing fiber optic-based sensors and operating devices |
US6450257B1 (en) * | 2000-03-25 | 2002-09-17 | Abb Offshore Systems Limited | Monitoring fluid flow through a filter |
US20030117134A1 (en) * | 2001-12-20 | 2003-06-26 | Schlumberger Technology Corporation | Downhole magnetic-field based feature detector |
GB2392462A (en) * | 2002-08-30 | 2004-03-03 | Schlumberger Holdings | Optical fibre conveyance, telemetry and actuation means |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110989033A (en) * | 2019-11-28 | 2020-04-10 | 徐州苏创信息技术有限公司 | Electronic product safety inspection check out test set |
Also Published As
Publication number | Publication date |
---|---|
DK200601260A (en) | 2007-01-17 |
NO20065261L (en) | 2006-11-15 |
GB0619237D0 (en) | 2006-11-15 |
US7077200B1 (en) | 2006-07-18 |
MXPA06011982A (en) | 2007-01-25 |
GB2428442B (en) | 2008-07-09 |
CA2561668C (en) | 2009-08-11 |
GB2428442A (en) | 2007-01-31 |
CA2561668A1 (en) | 2005-11-03 |
JP2007535664A (en) | 2007-12-06 |
EA200601961A1 (en) | 2007-02-27 |
EA011899B1 (en) | 2009-06-30 |
DK176621B1 (en) | 2008-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7077200B1 (en) | Downhole light system and methods of use | |
EP2596209B1 (en) | Communication through an enclosure of a line | |
US8284075B2 (en) | Apparatus and methods for self-powered communication and sensor network | |
US7400262B2 (en) | Apparatus and methods for self-powered communication and sensor network | |
EP3464815B1 (en) | Apparatuses and methods for sensing temperature along a wellbore using resistive elements | |
CN109477379B (en) | Apparatus and method for sensing temperature along a wellbore using temperature sensor modules connected by a matrix | |
US7178607B2 (en) | While drilling system and method | |
EP0371906A2 (en) | Wellbore tool with hall effect coupling | |
EA037930B1 (en) | Apparatus for sensing temperature along a wellbore | |
EA037885B1 (en) | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements | |
US20090166045A1 (en) | Harvesting vibration for downhole power generation | |
US20130061899A1 (en) | Apparatus, System and Method For Generating Power In A Wellbore | |
WO2004113677A1 (en) | Apparatus and method for self-powered communication and sensor network | |
Seren et al. | An untethered sensor platform for logging vertical wells | |
US20100300755A1 (en) | System and method for estimating velocity of a downhole component | |
GB2437433A (en) | Free flowing tags powered by vibrational energy | |
EP3035085A1 (en) | Device for measuring resistivity in a wellbore | |
GB2436992A (en) | Power generation using vibrations from a sandscreen | |
GB2436991A (en) | Power generation from downhole vibrations |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2561668 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 0619237.1 Country of ref document: GB Ref document number: 0619237 Country of ref document: GB |
|
WWE | Wipo information: entry into national phase |
Ref document number: PA/a/2006/011982 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007509050 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200601961 Country of ref document: EA |
|
122 | Ep: pct application non-entry in european phase |