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US20060191719A1 - Method of geothermal loop installation - Google Patents

Method of geothermal loop installation Download PDF

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Publication number
US20060191719A1
US20060191719A1 US11/067,225 US6722505A US2006191719A1 US 20060191719 A1 US20060191719 A1 US 20060191719A1 US 6722505 A US6722505 A US 6722505A US 2006191719 A1 US2006191719 A1 US 2006191719A1
Authority
US
United States
Prior art keywords
drill string
hollow drill
inner space
transfer loop
geothermal transfer
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.)
Abandoned
Application number
US11/067,225
Other languages
English (en)
Inventor
Raymond Roussy
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36926986&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20060191719(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to US11/067,225 priority Critical patent/US20060191719A1/en
Priority to EP06705191A priority patent/EP1853789B1/fr
Priority to CNA2006800137741A priority patent/CN101163848A/zh
Priority to AT06705191T priority patent/ATE554265T1/de
Priority to PCT/CA2006/000236 priority patent/WO2006089400A1/fr
Priority to JP2007557294A priority patent/JP5307403B2/ja
Priority to CA2536928A priority patent/CA2536928C/fr
Priority to CA2687174A priority patent/CA2687174C/fr
Priority to CN201510812383.7A priority patent/CN105464595A/zh
Publication of US20060191719A1 publication Critical patent/US20060191719A1/en
Priority to US11/896,945 priority patent/US7647988B2/en
Priority to US11/980,790 priority patent/US8132631B2/en
Priority to US12/543,743 priority patent/US8136611B2/en
Priority to US12/689,013 priority patent/US8002502B2/en
Priority to US12/689,055 priority patent/US8210281B2/en
Abandoned legal-status Critical Current

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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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • F24T10/17—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes closed at one end, i.e. return-type tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T2010/50—Component parts, details or accessories
    • F24T2010/53—Methods for installation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

Definitions

  • This invention relates to the geothermal heat exchange systems, and in particular, to the installation of geothermal transfer loops with sonic drills.
  • Geothermal heat exchange systems are environmentally friendly, energy efficient heating and cooling systems. As such, there is a rising demand for geothermal heat exchange systems for both commercial and residential properties. There is therefore a need for a quick and efficient method of installing the geothermal transfer loops used in many geothermal heat exchange systems.
  • a method for drilling a hole and installing a geothermal transfer loop A drilling apparatus is positioned at a desired location.
  • the drilling apparatus includes a rotating and vibrating apparatus for rotating and vibrating a hollow drill string into the ground.
  • the hollow drill string having an inner space.
  • a hole is drilled to a desired depth by rotating and vibrating the hollow drill string into the ground while discharging fluid into the inner space of the hollow drill string.
  • a geothermal transfer loop is lowered into the inner space of the hollow drill string and the drill string is removed from the ground.
  • the method may also include discharging grouting material into the hole.
  • a drilling apparatus is positioned at a desired location.
  • the drilling apparatus includes a rotating and vibrating apparatus for rotating and vibrating a hollow drill string into the ground.
  • the hollow drill string having an inner space.
  • a hole is drilled to a desired depth by rotating and vibrating the hollow drill string into the ground while discharging a fluid into the inner space of the hollow drill string.
  • a geothermal transfer loop is lowered into the inner space of the hollow drill string.
  • the geothermal transfer loop is filled with a second fluid and a portion of the geothermal transfer loop is straight.
  • the straightened portion of the geothermal transfer loop is lowered first.
  • Weights are attached to the geothermal transfer loop.
  • the hollow drill string is vibrated out of the ground while grouting material is simultaneously discharged into the inner space of the hollow drill string.
  • the geothermal transfer loop is operatively connected to a heat exchanger.
  • This invention provides the advantages of being able to drill cased holes faster and in litholgies that are often difficult for conventional drill rigs to drill in. This invention also provides the further advantage of being able to more accurately control and monitor the grouting process.
  • This invention provides the further advantage of being able to lower the geothermal transfer loop supplied in coils by eliminating the problem of the coils catching on mud on the side of the hole because the hole is cased.
  • FIG. 1 is an elevational, partly in section view of a drilling rig drilling a hole, using a method according to the invention
  • FIG. 2 is an elevational, cross-sectional diagram illustrating pressurized fluid carrying drill cuttings to the ground surface, using a method according to the invention
  • FIG. 3 is an elevational, cross-sectional diagram illustrating the lowering of a geothermal transfer loop into the hole, using a method according to the invention
  • FIG. 4 is an elevational, cross-sectional view of a rig grouting the hole, using a method according to the invention.
  • FIG. 5 is an elevational view of a geothermal exchange loop connected to a heat exchanger, using a method according to the invention.
  • FIG. 1 shows a method of drilling a hole 12 into the ground 14 according to a preferred method of the invention.
  • a drilling apparatus 20 is mounted on a movable vehicle 50 .
  • the vehicle 50 is moved to a desired drilling location and the drilling apparatus 20 is placed in a desired drilling position.
  • a drill pipe 22 is threadedly connected to the drilling apparatus 20 at a first end 23
  • the drill pipe 22 is threadedly connected to a drill bit 28 at a second end 24 .
  • the drill pipe 22 is hollow and is open at both ends 23 and 24 .
  • the drill bit 28 is a ring bit that is concentric with drill pipe 22 .
  • This combination of drill pipe 22 and drill bit 28 forms an open ended drill string 30 .
  • the drilling apparatus 20 is a rotary and vibratory apparatus such as a sonic drill.
  • Sonic drills are known in the art and accordingly are not described in more detail herein. Examples of sonic drills are described in my earlier U.S. Pat. No. 5,027,908 and U.S. Pat. No. 5,409,070 which are hereby incorporated by reference.
  • the drilling apparatus rotates and vibrates the drill string 30 into the ground 14 .
  • a hose 42 hydraulically connects a pressurized fluid pump apparatus 40 to the drilling apparatus.
  • a pressurized fluid is pumped by the pressurized fluid apparatus or pump 40 along the hose 42 , through the drilling apparatus 20 , and into the inner space 35 of the drill string 30 as indicated by arrow 44 during the drilling process.
  • the pressurized fluid is water but water with added components such as polymer or clay may also be used.
  • the fluid has a pressure range of between 10-5000 psi, with the preferred pressure range being between 500-2000 psi. This pressure facilitates faster drilling in ground conditions that would otherwise block the flow of pressurized fluid out of the drill bit 28 .
  • a column of fluid 37 fills the inner space 35 acting as a plug in the drill string 30 , impeding the entry of ground materials into the inner space 35 .
  • the diameter of the hose 42 is less than the diameter of the inner space 35 , thereby preventing the pressurized fluid from being pushed back through the hose in response to high pressure spikes created when the pressurized fluid impacts the ground 14 in the hole 12 .
  • the vibrating drill string 30 causes the pressure in the fluid column to oscillate at the same frequency that the drill string is vibrated at. The pressure spikes thus created causes the fluid column to act in a manner similar to a water hammer, thereby adding an additional drilling force.
  • pressurized fluid is pumped into the inner space 35 to form a fluid column 37 that impedes the entry of ground materials into the inner space 35 .
  • additional pressurized fluid may be pumped into the inner space 35 in order to carry cuttings up the annulus 13 , between the drill string and the hole, to the ground surface 15 , as illustrated in FIG. 2 .
  • Arrow 44 indicates the direction of the flow of pressurized fluid into the ground 14 through the inner space 35 of the drill string 30 .
  • the excess pressurized fluid is pushed down and around the drill bit 28 and up the annulus 13 towards the surface as indicated by arrows 45 and 46 .
  • the pressurized fluid carries cuttings as it moves up the annulus 13 to the ground surface 15 where the pressurized fluid and cuttings are expelled from the hole 12 as indicated by arrows 47 and 48 .
  • additional drill pipes may be added to the drill string 30 in sequence.
  • Each additional drill pipe has a first end and a second end.
  • the additional drill pipes are hollow and open at both ends.
  • the first ends of the additional drill pipes are threadedly connected to the drilling apparatus 20 and the second ends of the additional drill pipes are threadedly connected to the drill string 30 .
  • the additional drill pipes may then be rotated and vibrated into the ground, thereby increasing the length of the drill string 30 and the depth of the hole 12 .
  • the additional drill pipes may be added manually or with an automated drill pipe handling apparatus.
  • the drill string 30 is disconnected from the drilling apparatus 20 , leaving a hole 12 which is cased by the drill string 30 , as illustrated in FIG. 3 .
  • a geothermal transfer loop 70 is lowered into the hole 12 through the inner space 35 of the drill string 30 , as indicated by arrow 44 . It is to be noted however, that in other examples of the method the drill string 30 may be removed prior to the lowering of the geothermal transfer loop 70 into the hole 12 .
  • the geothermal transfer loop is preferably filled with a fluid prior to being lowered into the hole 12 .
  • the geothermal transfer loop 70 is a high density polyethylene tube and is filled with water.
  • the fluid adds weight to the geothermal transfer loop 70 and prevents the geothermal transfer loop 70 from collapsing in any fluid column that may remain in the inner space 35 of the drill string 30 .
  • Weights 75 may also be attached to the geothermal transfer loop 70 to facilitate the lowering of the geothermal transfer loop 70 into the hole 12 .
  • the lead portion 71 of the geothermal transfer loop 70 may be straightened to aid in keeping the geothermal transfer loop 70 at the bottom of the hole 12 during grouting and withdrawal of the drill string 30 .
  • the weight 75 is an elongated piece of steel bar that has been attached to the lead portion 71 of the geothermal transfer loop 70 by wiring 76 around the steel bar and the geothermal transfer loop.
  • the steel bar performs the dual function of a weight and a means for straightening the lead portion 71 of the geothermal transfer loop 70 .
  • grouting is accomplished by the tremie line method as illustrated in FIG. 4 .
  • a tremie line hose 80 is lowered into the hole 12 .
  • the tremie line hose is comprised of a steel pipe section 82 at a first end and a flexible tube section 81 at a second end, the steel pipe section 82 being the lead end of the tremie line 80 lowered into the hole 12 .
  • a pump 86 pumps thermally conductive grouting material 120 from a reservoir 88 along the tremie hose line 80 to the bottom of the hole 12 .
  • the grouting material 120 encompasses the geothermal transfer loop 70 .
  • a tremie line hose reel 87 pulls the tremie line hose 80 out of the hole 12 , so as to maintain the lead end of the of the tremie line hose 80 below the grouting material 120 . This process is continued until the hole 12 has been filled with grouting material 120 and the grouting material encompasses the portion of the geothermal transfer loop 70 which is below the ground surface 15 .
  • grouting may be accomplished by the pressure grouting method.
  • Pressure grouting may be accomplished by attaching a grout line to the top of the of the drill string 30 or a grout line can be attached to the swivel on the drill head.
  • grouting material is simultanoeusly pumped into the inner space 35 of the drill string 30 .
  • the grouting is topped up once the casing has been removed. In some cases grouting may not be required, for example in silty or sandy soils which collapse about the geothermal loop when the drill string is removed.
  • the geothermal transfer loop 70 may be operatively connected to a heat exchanger 100 , as illustrated in FIG. 5 .
  • the geothermal transfer loop 70 may also be operatively connected below the ground surface, in series, to additional geothermal transfer loops below the surface. The series geothermal transfer loops are then connected to a communal heat exchanger.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Control Of Metal Rolling (AREA)
US11/067,225 2005-02-28 2005-02-28 Method of geothermal loop installation Abandoned US20060191719A1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US11/067,225 US20060191719A1 (en) 2005-02-28 2005-02-28 Method of geothermal loop installation
CN201510812383.7A CN105464595A (zh) 2005-02-28 2006-02-17 地热回路安装方法
JP2007557294A JP5307403B2 (ja) 2005-02-28 2006-02-17 地中熱交換用ｕチューブの設置方法及び設置装置
CA2687174A CA2687174C (fr) 2005-02-28 2006-02-17 Systeme pour installation de boucles geothermales
CNA2006800137741A CN101163848A (zh) 2005-02-28 2006-02-17 地热回路安装方法
AT06705191T ATE554265T1 (de) 2005-02-28 2006-02-17 Verfahren zur installation einer geothermen schlaufe
PCT/CA2006/000236 WO2006089400A1 (fr) 2005-02-28 2006-02-17 Procede d’installation de boucle geothermique
EP06705191A EP1853789B1 (fr) 2005-02-28 2006-02-17 Procede d'installation de boucle geothermique
CA2536928A CA2536928C (fr) 2005-02-28 2006-02-17 Methode d'installation de boucle geothermique
US11/896,945 US7647988B2 (en) 2005-02-28 2007-09-06 Method and system for installing geothermal transfer apparatuses with a sonic drill
US11/980,790 US8132631B2 (en) 2005-02-28 2007-10-31 Method of geothermal loop installation
US12/543,743 US8136611B2 (en) 2005-02-28 2009-08-19 Method and system for installing micropiles with a sonic drill
US12/689,013 US8002502B2 (en) 2005-02-28 2010-01-18 Method and system for installing cast-in-place concrete piles with a sonic drill
US12/689,055 US8210281B2 (en) 2005-02-28 2010-01-18 Method and system for installing geothermal transfer apparatuses with a sonic drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/067,225 US20060191719A1 (en) 2005-02-28 2005-02-28 Method of geothermal loop installation

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US11/896,945 Continuation-In-Part US7647988B2 (en) 2005-02-28 2007-09-06 Method and system for installing geothermal transfer apparatuses with a sonic drill
US11/980,790 Continuation-In-Part US8132631B2 (en) 2005-02-28 2007-10-31 Method of geothermal loop installation

Publications (1)

Publication Number Publication Date
US20060191719A1 true US20060191719A1 (en) 2006-08-31

Family

ID=36926986

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/067,225 Abandoned US20060191719A1 (en) 2005-02-28 2005-02-28 Method of geothermal loop installation
US11/980,790 Active 2028-05-11 US8132631B2 (en) 2005-02-28 2007-10-31 Method of geothermal loop installation

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/980,790 Active 2028-05-11 US8132631B2 (en) 2005-02-28 2007-10-31 Method of geothermal loop installation

Country Status (7)

Country Link
US (2) US20060191719A1 (fr)
EP (1) EP1853789B1 (fr)
JP (1) JP5307403B2 (fr)
CN (2) CN105464595A (fr)
AT (1) ATE554265T1 (fr)
CA (2) CA2536928C (fr)
WO (1) WO2006089400A1 (fr)

Cited By (12)

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US20070163805A1 (en) * 2006-01-13 2007-07-19 Soilmec S.P.A. System for drilling the ground to obtain circulation of fluid in a plant for the exploitation of geothermal energy
US20090065255A1 (en) * 2005-02-28 2009-03-12 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill
US20090211811A1 (en) * 2008-02-22 2009-08-27 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
US20090214299A1 (en) * 2008-02-22 2009-08-27 Roussy Raymond J Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit
US20100040419A1 (en) * 2005-02-28 2010-02-18 Roussy Raymond Method and system for installing micropiles with a sonic drill
US20100155141A1 (en) * 2005-02-28 2010-06-24 Roussy Raymond Method and system for installing geothermal transfer apparatuses with a sonic drill
US8132631B2 (en) 2005-02-28 2012-03-13 Roussy Raymond J Method of geothermal loop installation
JP2012172937A (ja) * 2011-02-23 2012-09-10 Chiyoda Kako Kensetsu Kk 採熱管施工方法
US20150084458A1 (en) * 2012-03-26 2015-03-26 Komatsu Ltd. Electric motor
CN112144550A (zh) * 2020-09-25 2020-12-29 西南石油大学 一种含泥化夹层边坡的加固方法
WO2021016625A1 (fr) * 2019-07-25 2021-01-28 Strabo Engineering, LLC Système d'exploitation de chaleur géothermique
US11821312B2 (en) 2018-12-21 2023-11-21 Terra Sonic International, LLC Drilling rig and methods using multiple types of drilling for installing geothermal systems

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NL1037890C2 (nl) * 2010-04-06 2011-10-13 Demar Heiwerken B V Werkwijze voor het in een bodem inbrengen van een langwerpig element
GB2482028A (en) * 2010-07-16 2012-01-18 Geo Mole Ltd Two-port percussion mole for inserting a geothermal heat pump ground loop
JP5659767B2 (ja) * 2010-12-15 2015-01-28 株式会社大林組 地中熱交換器に係る管部材の掘削孔への建て込み方法
JP5678637B2 (ja) * 2010-12-15 2015-03-04 株式会社大林組 地中熱交換器に係る管部材の掘削孔への建て込み方法
JP5659766B2 (ja) * 2010-12-15 2015-01-28 株式会社大林組 地面の掘削孔への地中熱交換器に係る管部材の設置方法
CN102587859A (zh) * 2012-04-17 2012-07-18 中国矿业大学(北京) 返流注浆封堵矿井突水技术
CN102720889B (zh) * 2012-05-31 2014-06-11 浙江陆特能源科技有限公司 适用于地源热泵系统双u型埋管的管卡及灌浆方法
JP5974251B2 (ja) * 2012-08-21 2016-08-23 ジャパンパイル株式会社 地中熱利用熱交換チューブの既製杭内設置装置
EP2757229B1 (fr) * 2013-01-22 2015-08-12 MAT Mischanlagentechnik GmbH Dispositif de mesure et procédé destiné à surveiller le colmatage d'un trou de forage
US9897347B2 (en) 2013-03-15 2018-02-20 Thomas Scott Breidenbach Screw-in geothermal heat exchanger systems and methods
HRP20211947T1 (hr) * 2016-11-11 2022-03-18 Bauer Spezialtiefbau Gmbh Temeljni element i postupak proizvodnje temeljnog elementa
CN107575159A (zh) * 2017-08-07 2018-01-12 青海九0六工程勘察设计院 一种地热井井内热交换管安装工艺
CA3013374A1 (fr) 2017-10-31 2019-04-30 Eavor Technologies Inc. Methode et appareil de recyclage de sites de forage en vue de la production d'energie geothermique
US11274856B2 (en) 2017-11-16 2022-03-15 Ari Peter Berman Method of deploying a heat exchanger pipe
CN108162192B (zh) * 2017-12-29 2024-07-30 长沙伟诺汽车制造有限公司 一种多功能桩工车
AU2019202101A1 (en) 2018-05-10 2019-11-28 Eavor Technologies Inc Fluid for use in power production environments
US11035593B2 (en) 2018-09-07 2021-06-15 Robert Louis Sparks Vertical heat exchanger for a geothermal heating and cooling system and method of use
US11085670B2 (en) 2018-09-14 2021-08-10 Geosource Energy Inc. Method and apparatus for installing geothermal heat exchanger
JP2020176749A (ja) * 2019-04-16 2020-10-29 三菱マテリアルテクノ株式会社 揚水併用型熱交換器とその設置工法
CN113587465A (zh) * 2021-08-31 2021-11-02 天津鑫新源节能科技有限公司 一种封闭式中深层地热能井下换热装置
CN115624832B (zh) * 2022-09-13 2023-07-25 中建五局(烟台)建设工程有限公司 一种绿色建筑施工用高空降尘装置

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CA2687174C (fr) 2012-09-25
US20080083565A1 (en) 2008-04-10
ATE554265T1 (de) 2012-05-15
WO2006089400A1 (fr) 2006-08-31
EP1853789A1 (fr) 2007-11-14
CA2687174A1 (fr) 2006-08-28
EP1853789A4 (fr) 2010-03-17
EP1853789B1 (fr) 2012-04-18
CN101163848A (zh) 2008-04-16
CA2536928A1 (fr) 2006-08-28
CA2536928C (fr) 2010-03-30

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