WO2014051575A1 - Generator driven by drill pipe - Google Patents
Generator driven by drill pipe Download PDFInfo
- Publication number
- WO2014051575A1 WO2014051575A1 PCT/US2012/057344 US2012057344W WO2014051575A1 WO 2014051575 A1 WO2014051575 A1 WO 2014051575A1 US 2012057344 W US2012057344 W US 2012057344W WO 2014051575 A1 WO2014051575 A1 WO 2014051575A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- generator
- drill pipe
- seal
- control device
- rotating control
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000004044 response Effects 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- XZPVPNZTYPUODG-UHFFFAOYSA-M sodium;chloride;dihydrate Chemical compound O.O.[Na+].[Cl-] XZPVPNZTYPUODG-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0085—Adaptations of electric power generating means for use in boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
- E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
Definitions
- This disclosure relates generally to equipment utilized and operations performed in conjunction with a well and, in one example described below, more particularly provides a way of generating electricity due to rotation of a drill pipe .
- Rotation of a drill string is one way to drill a wellbore into the earth.
- a rotating control device is used to seal off an annulus formed between the drill string and the wellbore at or near the earth's surface .
- FIG. 1 is a representative partially cross-sectional view of a well system and associated method which can embody principles of this disclosure.
- FIG. 2 is an enlarged scale partially cross-sectional view of a rotating control device which can embody
- FIG. 3 is a cross-sectional view of the rotating control device, taken along line 3-3 of FIG. 2.
- FIG. 4 is a schematic view of an electrical generation and utilization system which can embody the principles of this disclosure.
- FIG. 1 Representatively illustrated in FIG. 1 is a system 10 for use with a subterranean well, and an associated method, which system and method can embody principles of this disclosure.
- system 10 and method are merely one example of an application of the principles of this disclosure in
- a wellbore 12 is drilled by rotating a drill pipe 14, such as, by utilizing a drilling rig (not shown) at or near the earth's surface.
- the drill pipe 14 can be rotated by any means, e.g., a rotary table, a top drive, a positive displacement or turbine drilling motor, etc.
- any means e.g., a rotary table, a top drive, a positive displacement or turbine drilling motor, etc.
- the drill pipe 14 is part of an overall drill string 16, which can include a variety of different components.
- a drill bit 18 is connected at a distal end of the drill string 16, so that the drill bit cuts into the earth when the drill string rotates and weight is applied to the drill bit.
- An annulus 20 is formed radially between the drill string 16 and the wellbore 12.
- a drilling fluid 22 (commonly known as "mud,” although other fluids, such as brine water, may be used) is circulated downward through the drill string 16, exits the drill bit 18, and flows back to the surface via the annulus 20.
- the drilling fluid 22 serves several purposes,
- annulus 20 at or near the earth's surface (for example, at a land or sea- based drilling rig, a subsea facility, a jack-up rig, etc.), so that communication between the annulus 20 and the earth's atmosphere or sea is prevented.
- a rotating control device 24 can be used to seal about the drill string 16 during a drilling operation.
- the rotating control device 24 is connected to a blowout preventer stack 26 on a wellhead 28, but in other examples the rotating control device could be positioned in or on a riser string, in a subsea wellhead, in a wellbore, etc.
- the scope of this disclosure is not limited to any particular location of the rotating control device 24 .
- FIG. 2 an enlarged scale partially cross-sectional view of one example of the
- rotating control device 24 is representatively illustrated. In this view, it may be clearly seen that the rotating control device 24 includes two "passive" seals 30 , 32 which seal against an exterior surface of the drill pipe 14 as the drill pipe rotates within an outer housing assembly 34 of the rotating control device.
- the FIG. 2 rotating control device 24 may be used with the system 10 and method of FIG. 1 , or it may be used with other systems and methods .
- the outer housing assembly 34 is provided with a flange 36 at a lower end thereof for
- the outer housing assembly 34 could be provided with suitable connectors for installing the
- rotating control device 24 in or on a riser string, to a subsea wellhead, or at any other location.
- the lower seal 30 is positioned in the outer housing assembly 34
- the upper seal 32 is positioned in an upper "pot" or enclosure 38 .
- either or both of the seals 30 , 32 could be positioned inside or outside of the outer housing assembly 34 , and other numbers of seals (including one) may be used. The scope of this disclosure is not limited to any
- the seals 30 , 32 are passive, in that they sealingly engage the drill pipe 14 whenever the drill pipe is positioned in the rotating control device 24 , without any need of actuating the seals to effect such sealing.
- the seals 30 , 32 (or either of them) could be "active" seals, so that they sealingly engage the drill pipe 14 in response to an applied stimulus.
- one or both of the seals 30 , 32 could be inflated by introducing pressure into the seals, an actuator could be used to displace the seals inward into contact with the drill pipe, etc.
- the scope of this disclosure is not limited to any particular manner of causing the seals 30 , 32 to sealingly engage the drill pipe 14 .
- the seals 30 , 32 are mounted to a bearing assembly 40 , which is secured to the outer housing assembly 34 by a clamp 42 .
- the bearing assembly 40 includes bearings 44 , which permit an inner generally tubular mandrel 46 to rotate relative to the outer housing assembly 34 .
- a latch mechanism or other device could be used in place of the clamp 42 .
- the bearing assembly 40 and both seals 30 , 32 could be positioned entirely within the outer housing assembly 34 .
- the scope of this disclosure is not limited to any particular arrangement or configuration of the various components of the rotating control device 24 .
- the seals 30 , 32 rotate with the enclosure 38 and mandrel 46 relative to the outer housing assembly 34 when the drill pipe 14 rotates in the rotating control device 24 .
- the drill pipe 14 is grippingly engaged by the seals 30 , 32 , so that the seals transfer torque from the drill pipe to the mandrel 46 .
- Rotation of the mandrel 46 by the drill pipe 14 (via the seals 30 , 32 ) operates an electrical generator 48 , so that electricity is generated in response to the drill pipe rotation.
- This can be very beneficial in circumstances where electrical power may not otherwise be available at or near the rotating control device 24 , there is a desire to reduce or eliminate the use of power cables extending to the area about the rotating control device, etc.
- the generator 48 is located in the bearing assembly 40 , which is desirably sealed off from well fluids and the atmosphere, and is provided with a lubricant.
- the generator 48 could be otherwise located, the generator could be exposed to well fluids or the atmosphere, etc.
- the scope of this disclosure is not limited to any particular placement, configuration or environment of the generator 48 .
- the generator 48 includes multiple permanent magnets 50 affixed to, and
- the mandrel 46 and magnets 50 thus, comprise a rotor 66 of the generator 48 , and the coil 52 and outer bearing assembly 40 comprise a stator 68 of the generator 48 .
- the electrical current generated by the generator 48 can be used to supply electrical power to any of a variety of different types of electrical devices.
- electrical power could be supplied from the generator 48 to electronic circuitry, sensors, actuators, latching devices, interlocks, etc.
- the electrical power can be stored in one or more batteries for use, for example, when the drill pipe 14 is not rotating in the rotating control device 24 .
- the generator 48 is depicted in FIG. 3 as including the magnets 50 and coil 52 , in other examples, other means of producing electrical power could be used.
- magneto- or electro-strictive devices could be used to produce electricity in response to rotation of the drill pipe 14 .
- the scope of this disclosure is not limited to any particular way of producing electricity from rotation of the drill pipe 14 .
- the single coil 52 remains stationary while the magnets 50 secured to the mandrel 46 displace by the coil.
- multiple coils 52 could be used, and/or the coil(s) could be secured to the mandrel 46 or otherwise made to displace by one or more of the magnets 50 .
- a system 54 for generating and utilizing electrical power is
- the system 54 may be used with the rotating control device 24 described above, or it may be used with other rotating control devices, or with other types of well tools.
- the generator 48 generates electrical power in response to rotation of the drill pipe 14 .
- This electrical power is supplied to a battery 56 , sensors 58 , electronic circuitry 60 , an actuator 62 , and an alerting or indicating device 64 .
- these components of the system 54 are merely examples of a wide variety of different types of devices which can be supplied with electrical power, and thus, the scope of this disclosure is not limited to use of the electrical power by any particular device ( s ) .
- the sensors 58 could include any type of sensors, such as pressure, temperature, proximity, etc., sensors.
- the sensors 58 could measure pressure and/or temperature of lubricant in the bearing assembly 40 , pressure and/or temperature of a coolant, pressure and/or temperature of well fluid in the annulus 20 below the seal 30 , whether or not the clamp 42 is completely opened or closed, etc.
- the scope of this disclosure is not limited to use of any particular type of sensor.
- the electronic circuitry 60 could include at least one processor and other electronic components for monitoring outputs of the sensors 58 , controlling operation of the actuator 62 , activating the device 64 , communicating with external control systems, etc.
- the scope of this disclosure is not limited to any particular use of the electronic circuitry 60 .
- the actuator 62 may be used to operate the clamp 42 (or a latching or interlock mechanism) , to actuate "active" seals, etc.
- the scope of this disclosure is not limited to any particular manner of operating the actuator 62 .
- the device 64 may be used to indicate whether the clamp
- the battery 56 can be used to store electrical power generated by the generator 48 , to condition such power, etc. In this manner, the electrical power can be available to the sensors 58, circuitry 60, actuator 62 and device 64 whether or not the drill pipe 14 is rotating at a particular moment.
- the scope of this disclosure is not limited to use of the battery 56 for storing electrical power generated by the generator 48.
- Other electrical storage devices could include relatively large capacity capacitors (e.g., "super capacitors,” etc.).
- the rotating control device 24 can include at least one seal 30, 32 which can sealingly engage the drill pipe 14, and a generator 48 which generates electricity in response to rotation of the drill pipe 14 while the seal 30, 32 sealingly engages the drill pipe 14.
- the seal 30, 32 may rotate with the drill pipe 14. In other examples, the seal 30, 32 may not rotate with the drill pipe 14.
- the generator 48 can be mechanically coupled to the drill pipe 14 via the seal 30, 32. In other examples, there may be no mechanical coupling between the drill pipe 14 and the seal 30, 32
- the seal 30, 32 may grippingly engage the drill pipe 14 and thereby transfer torque to the generator 48. In other examples, torque could be transferred directly from the drill pipe 14 to the generator 48, or via the mandrel 46, etc .
- the seal 30 may be contained in an outer housing assembly 34, and the seal 30 may rotate relative to the outer housing assembly 34 in response to rotation of the drill pipe 14. In other examples, the seal 30 may not be contained in the outer housing assembly, and/or may not rotate relative to the outer housing assembly 34.
- the generator 48 may be contained in a bearing assembly 40. In other examples, the generator 48 is not necessarily in a bearing assembly.
- the generator 48 can comprise a rotor 66 which rotates relative to a stator 68 of the generator 48 in response to rotation of the seal 30, 32.
- electricity could be generated by other means, such as, electro- or magneto-strictive devices, etc.
- the rotating control device 24 may include an actuator 62, and the generator 48 may supply electrical power to the actuator 62. In other examples, an actuator may not be supplied with electrical power by the generator 48.
- the rotating control device 24 may include a sensor 58, and the generator 48 may supply electrical power to the sensor 58. In other examples, a sensor may not be supplied with electrical power by the generator 48.
- the rotating control device 24 may include a battery
- the generator 48 may charge the battery 56. In other examples, the generator 48 may not charge a battery.
- the rotating control device 24 may include electronic circuitry 60, and the generator 48 may supply electrical power to the electronic circuitry. In other examples, the generator 48 may not supply electrical power to electronic circuitry .
- a method of generating electricity from rotation of a drill pipe 14 is also described above.
- the method can comprise: sealingly engaging the drill pipe 14 with a seal 30, 32 of a rotating control device 24; and generating electricity in response to the rotation of the drill pipe 14.
- the system 54 can include a rotating control device 24 which seals about a drill pipe 14 while the drill pipe 14 rotates.
- the rotating control device 24 can include a seal 30, 32 and a generator 48 which generates electricity in response to rotation of the drill pipe 14.
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2015003601A MX2015003601A (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe. |
BR112015004158A BR112015004158A2 (en) | 2012-09-26 | 2012-09-26 | rotation control device, method for generating electricity from the rotation of a drill pipe, and system for generating electricity |
PCT/US2012/057344 WO2014051575A1 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
AU2012391070A AU2012391070B2 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
US14/356,790 US20140311806A1 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
EP12885407.2A EP2900912A4 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
RU2015108411A RU2015108411A (en) | 2012-09-26 | 2012-09-26 | DRILLED PIPE GENERATOR |
CA2881771A CA2881771A1 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
MYPI2015000721A MY175581A (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2012/057344 WO2014051575A1 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014051575A1 true WO2014051575A1 (en) | 2014-04-03 |
Family
ID=50388773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2012/057344 WO2014051575A1 (en) | 2012-09-26 | 2012-09-26 | Generator driven by drill pipe |
Country Status (8)
Country | Link |
---|---|
US (1) | US20140311806A1 (en) |
EP (1) | EP2900912A4 (en) |
AU (1) | AU2012391070B2 (en) |
BR (1) | BR112015004158A2 (en) |
CA (1) | CA2881771A1 (en) |
MX (1) | MX2015003601A (en) |
RU (1) | RU2015108411A (en) |
WO (1) | WO2014051575A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2542071B (en) | 2014-09-11 | 2021-02-24 | Halliburton Energy Services Inc | Electricity generation within a downhole drilling motor |
US10753169B2 (en) * | 2017-03-21 | 2020-08-25 | Schlumberger Technology Corporation | Intelligent pressure control devices and methods of use thereof |
CN108730104B (en) * | 2017-04-24 | 2020-11-24 | 通用电气公司 | Underground power generation system and optimized power control method thereof |
CA3179171A1 (en) * | 2020-03-31 | 2021-10-07 | Schlumberger Canada Limited | Power management at a wellsite |
US11942781B2 (en) * | 2021-12-20 | 2024-03-26 | Schlumberger Technology Corporation | Power management at a wellsite |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491738A (en) * | 1981-11-24 | 1985-01-01 | Shell Internationale Research Maatschappij, B.V. | Means for generating electricity during drilling of a borehole |
US20090133867A1 (en) * | 2007-11-27 | 2009-05-28 | Vector Magnetics Llc | Drillstring alternator |
US20100263930A1 (en) * | 2008-04-08 | 2010-10-21 | Earth Tool Company, Llc | Impact Powered Transmitter For Directional Drilling |
US20110120725A1 (en) * | 2008-06-13 | 2011-05-26 | Downton Geoffrey C | Wellbore instruments using magnetic motion converters |
US20120090827A1 (en) * | 2007-08-31 | 2012-04-19 | Junichi Sugiura | Non-contact capacitive datalink for a downhole assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3472518A (en) * | 1966-10-24 | 1969-10-14 | Texaco Inc | Dynamic seal for drill pipe annulus |
US7040394B2 (en) * | 2002-10-31 | 2006-05-09 | Weatherford/Lamb, Inc. | Active/passive seal rotating control head |
US8931579B2 (en) * | 2005-10-11 | 2015-01-13 | Halliburton Energy Services, Inc. | Borehole generator |
US20100133833A1 (en) * | 2008-10-24 | 2010-06-03 | Bp Corporation North America Inc. | Electrical power generation for downhole exploration or production devices |
WO2013050294A1 (en) * | 2011-10-06 | 2013-04-11 | Aktiebolaget Skf | Power harvesting bearing configuration |
CN104350298B (en) * | 2012-04-24 | 2018-05-22 | Skf公司 | Bearing power generates construction |
WO2013160099A2 (en) * | 2012-04-24 | 2013-10-31 | Aktiebolaget Skf | Bearing power generating configuration |
EP2912258A2 (en) * | 2012-09-12 | 2015-09-02 | Weatherford Technology Holdings, LLC | Tachometer for a rotating control device |
-
2012
- 2012-09-26 AU AU2012391070A patent/AU2012391070B2/en not_active Expired - Fee Related
- 2012-09-26 CA CA2881771A patent/CA2881771A1/en not_active Abandoned
- 2012-09-26 MX MX2015003601A patent/MX2015003601A/en unknown
- 2012-09-26 EP EP12885407.2A patent/EP2900912A4/en not_active Withdrawn
- 2012-09-26 US US14/356,790 patent/US20140311806A1/en not_active Abandoned
- 2012-09-26 RU RU2015108411A patent/RU2015108411A/en not_active Application Discontinuation
- 2012-09-26 BR BR112015004158A patent/BR112015004158A2/en not_active Application Discontinuation
- 2012-09-26 WO PCT/US2012/057344 patent/WO2014051575A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491738A (en) * | 1981-11-24 | 1985-01-01 | Shell Internationale Research Maatschappij, B.V. | Means for generating electricity during drilling of a borehole |
US20120090827A1 (en) * | 2007-08-31 | 2012-04-19 | Junichi Sugiura | Non-contact capacitive datalink for a downhole assembly |
US20090133867A1 (en) * | 2007-11-27 | 2009-05-28 | Vector Magnetics Llc | Drillstring alternator |
US20100263930A1 (en) * | 2008-04-08 | 2010-10-21 | Earth Tool Company, Llc | Impact Powered Transmitter For Directional Drilling |
US20110120725A1 (en) * | 2008-06-13 | 2011-05-26 | Downton Geoffrey C | Wellbore instruments using magnetic motion converters |
Non-Patent Citations (1)
Title |
---|
See also references of EP2900912A4 * |
Also Published As
Publication number | Publication date |
---|---|
RU2015108411A (en) | 2016-11-20 |
AU2012391070B2 (en) | 2016-11-17 |
EP2900912A4 (en) | 2016-06-15 |
CA2881771A1 (en) | 2014-04-03 |
MX2015003601A (en) | 2015-06-05 |
AU2012391070A1 (en) | 2015-03-19 |
EP2900912A1 (en) | 2015-08-05 |
US20140311806A1 (en) | 2014-10-23 |
BR112015004158A2 (en) | 2017-07-04 |
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