EP2458134A2 - Dispositif de nettoyage pour l'application souterraine dans des complétions de puits de forages profonds - Google Patents

Dispositif de nettoyage pour l'application souterraine dans des complétions de puits de forages profonds Download PDF

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Publication number
EP2458134A2
EP2458134A2 EP11007552A EP11007552A EP2458134A2 EP 2458134 A2 EP2458134 A2 EP 2458134A2 EP 11007552 A EP11007552 A EP 11007552A EP 11007552 A EP11007552 A EP 11007552A EP 2458134 A2 EP2458134 A2 EP 2458134A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
cleaning device
sleeve
tools
head
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
EP11007552A
Other languages
German (de)
English (en)
Other versions
EP2458134A3 (fr
EP2458134B1 (fr
Inventor
Robert Ritschel
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.)
Welltec AS
Original Assignee
RWE Dea AG
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 RWE Dea AG filed Critical RWE Dea AG
Publication of EP2458134A2 publication Critical patent/EP2458134A2/fr
Publication of EP2458134A3 publication Critical patent/EP2458134A3/fr
Application granted granted Critical
Publication of EP2458134B1 publication Critical patent/EP2458134B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

Definitions

  • the invention relates to a cleaning device for underground use in well completions of deep wells, in particular for cleaning casings or tubings in the range of nipple profiles in the tubing for discontinuing measuring devices, tools, safety valves or other closure devices, with at least one cleaning head, the at least one radially aus constitue arrangement of cleaning tools comprises, which are rotatably engageable with the inner wall of the pipe string.
  • WO 2009/108068 A1 is a hydraulic cleaning tool for removing mineral deposits on the inside of casings and valves described.
  • This cleaning tool consists of a base body with drive and brush head, which is drained into a slickline or wireline into the well, is braced in the well and cleans by means of radially extendable brush the respective area of the casing pipes or delivery pipes.
  • the cleaning device comprises a hydraulic pump, which secures the basic housing of the cleaning device by means of radially extendable clamping jaws in the borehole.
  • the hydraulic pump also provides the pressure needed to extend the brushes against the inner wall of the borehole.
  • the device is deposited by means of wireline in the borehole, with an activation of the electric motor and operation of the hydraulic pump by increasing the tensile forces on the wireline.
  • the invention is therefore based on the object to improve a cleaning tool of the type mentioned in this regard.
  • the object underlying the invention is achieved by a cleaning device for underground application in well completions of deep wells, in particular for cleaning delivery pipes in the range of nipple profiles in the tubing for discontinuing measuring devices, tools, safety valves or other closure devices, with at least one cleaning head, the at least one radially exhibitable arrangement of Includes cleaning tools, which are rotatably engageable with the inner wall of the pipe string, wherein the cleaning device is characterized in that the cleaning tools are weight-actuated expelled.
  • the cleaning device according to the invention can also be used for cleaning casings.
  • the cleaning device according to the invention has the advantage that a hydraulic actuation of the cleaning tools in the sense of a deployment movement in the desired depth is not required. Rather, the cleaning device can be activated in the manner of a valve, a closure body or other tool in the borehole or, for example, in the production tubing in a nipple profile, wherein the weight of the activation tools are issued upon activation.
  • the cleaning tools are arranged on at least one radially expandable tool carrier, which can be actuated in a nipple profile.
  • the cleaning tools are weight-actuated in rotation displaceable (for example, the Brumm Vietnamese), so that when activating the cleaning device a raising movement of the cleaning tools is superimposed with a rotational movement and possibly with an axial movement in the borehole, so possibly an electro-hydraulic Drive for the cleaning device is completely dispensable.
  • rotation displaceable for example, the Brumm Vietnamese
  • electro-hydraulic Drive for the cleaning device is completely dispensable.
  • the cleaning tools are provided on the circumference of at least one radially expandable sleeve as a tool carrier.
  • the cleaning head may comprise at least one complementary to the sleeve and relative to this axially and relatively displaceable to this cylindrical portion whose outer diameter corresponds approximately to the inner diameter of the flared sleeve and which is driven by weight driven into the sleeve.
  • the sleeve and the cylinder portion may for example also be guided into one another such that a rotational movement is triggered by the driving operation.
  • the cleaning head is preferably provided in the region of its downhole end with a locking mechanism that allows activation of the cleaning device in the direction of gravity in a nipple profile.
  • the locking mechanism may include radially extendable and retractable locking protrusions or else shear pins or the like.
  • the locking mechanism can be unlocked on the Ausstellvorgang the cleaning tools, so that the cleaning device after the extension of the cleaning tools axially in the borehole is displaced.
  • the cleaning head is designed as a brush head with brushes as a cleaning tool.
  • the cleaning device in an expedient embodiment, it is provided that it is provided with at least one main body and a drive disposed in the base body, wherein the cleaning head is arranged on a leading end of the base body in the installed position in the borehole and the main body means for rotationally fixed locking in the well completion.
  • the cleaning head may be provided with at least one collar section, by means of which a weight-force-operated display of the cleaning tools or adaptation of the cleaning tools to the inner diameter of the roughing is facilitated.
  • the cleaning head comprises at least one arrangement of different cleaning brushes with different degrees of hardness.
  • the cleaning head comprises at least one brush spiral, which enables a helical / spiral cleaning of the borehole in the corresponding depth.
  • FIGS. 1 to 8 a part of a production tubing string 1 is shown in a well completion 2 of a deep well, which was previously made, for example, in the Rotary process.
  • the cleaning device 3 according to the invention, only the cleaning head 4 is shown in the figures.
  • a main body of the cleaning device with drive and clamping jaws for clamping in the conveying pipe string 1 is not shown for reasons of simplification.
  • the cleaning device 3 comprises a main body, which forms a housing for an electric drive.
  • the main body is lowered to a not shown wireline or slickline in the production tubing 1.
  • a drill collar 5 and be arranged at the leading end of the cleaning head 4.
  • the conveyor pipe string 1 is shown in the region of an attached in this landing nipple 6.
  • the landing nipple 6 comprises a profile region 7a and a sealing portion 7b and serves for receiving, for example, a so-called lock mandrel of a safety valve or a closure plug or the like in the conveyor pipe strand 1 device, the profile region 7a is provided with locking ribs / locking grooves, which are provided with corresponding locking devices of cooperate in the landing nipple tools.
  • a so-called no-go shoulder of the landing nipple 6 is referred to, which causes the settling of a tool in the landing nipple 6 that the weight of the drill collar 5 or more drill collars acts on the tool to be dropped.
  • FIG. 3 illustrates the retraction of the cleaning device 3 to a not shown wireline in the production tubing 1.
  • the cleaning head 4 is visible, which forms the leading end of the cleaning device 3 in the conveying tube 1.
  • no-go-dogs are formed as radially issued, spring-loaded held in the raised position shear pins that protrude radially so far that they sit on the no-go shoulders 8 of the landing nipple 6 when lowering the cleaning device 3 within the production tubing 1 with these come into contact, with the result that the entire weight of the cleaning device 3 is supported on the no-go shoulders.
  • the shaft 9 of the cleaning head 4 is arranged axially displaceable on the cleaning head 4.
  • the sleeve 11 is provided with longitudinal slots 12 and thus radially expandable.
  • the weight acts on the cleaning device 3 such that a driving of the shaft 9 takes place in the sleeve 11, with the result that the sleeve is radially expanded and in its final position completely encloses the shaft 9.
  • the shaft 9 is provided on its side facing the sleeve 11 with a conical shoulder 13, which facilitates the driving of the shaft 9 into the sleeve 11.
  • the shaft 9 is further provided with unspecified longitudinal ribs, which cause an anti-rotation in the cleaning position with the longitudinal slots 12.
  • helical bristles 14 are arranged, which serve as cleaning tools.
  • the leading end of the cleaning head 4 facing bristles 14 are made of a softer material and slightly shorter than the upper brush, whereas the leading end of the cleaning head 4 facing away from bristles 14 made of a harder material, such as steel or brass and longer than the lower Brushes are.
  • bristles 14 or brushes and scrapers or plastic baffle plates can be provided.
  • a complete sliding of the sleeve 11 on the shaft 9 causes in the end position of the sleeve 11 retraction of the no-go indicators 10 via an actuating mechanism, not shown, with the result that the cleaning device 3 can be moved a little further into the conveyor pipe 1 , as for example in FIG. 7 is shown.
  • the cleaning head 4 is retracted so far into the conveying pipe string 1 that the bristles 14 extend both in the profile area 7a and in the sealing area 7b of the landing nipple 6.
  • the main body of the cleaning device 3 above the landing nipple 6 in the conveyor pipe 1 in a known manner with jaws / grippers clamped rotatably, so that on the electric drive of the cleaning device 3, the cleaning head 4 is set in rotation.
  • the helically arranged bristles 14 on the sleeve 11 thereby effect a cleaning of both the profile region 7a and the sealing region 7b of the landing nipple down into the conveyor pipe line 1.
  • the cleaning device 3 is kept in tension via a slickline or wireline wire to ensure that the desired well level is maintained.
  • the cleaning device 3 in the profile region 7a of the landing nipple 6 by helically downwardly directed bristles 14 in a clockwise rotation generate a downward force and promote deposits from the zone to be cleaned in an attached small catch basket (bailer).
  • This collection basket is not shown in the drawings for the sake of simplicity.
  • harder bristles steel, brass
  • softer bristles / brushes or scrapers plastics
  • the drive not shown, can be ensured by wireline via a motor or via slickline with a battery-motor combination.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Earth Drilling (AREA)
EP11007552.0A 2010-11-25 2011-09-16 Dispositif de nettoyage pour l'application souterraine dans des complétions de puits de forages profonds Not-in-force EP2458134B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010052359 DE102010052359A1 (de) 2010-11-25 2010-11-25 Reinigungsvorrichtung zur Untertage-Anwendung in Bohrlochkomplettierungen von Tiefbohrungen

Publications (3)

Publication Number Publication Date
EP2458134A2 true EP2458134A2 (fr) 2012-05-30
EP2458134A3 EP2458134A3 (fr) 2016-01-13
EP2458134B1 EP2458134B1 (fr) 2017-07-19

Family

ID=45746768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11007552.0A Not-in-force EP2458134B1 (fr) 2010-11-25 2011-09-16 Dispositif de nettoyage pour l'application souterraine dans des complétions de puits de forages profonds

Country Status (3)

Country Link
EP (1) EP2458134B1 (fr)
DE (1) DE102010052359A1 (fr)
DK (1) DK2458134T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104165047A (zh) * 2013-05-17 2014-11-26 中国石油化工股份有限公司 滑套开关管柱及其使用方法
WO2015101765A3 (fr) * 2013-12-30 2015-12-23 Darcy Technologies Limited Appareil de fond de puits
CN116398062A (zh) * 2023-06-08 2023-07-07 山西国源煤层气综合利用工程技术股份有限公司 一种井下扩孔用液控可变径扶正器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009108068A1 (fr) 2008-02-28 2009-09-03 Petro Tools As Brosse hydraulique destinée à être utilisée dans des puits de forage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423625A (en) * 1920-05-24 1922-07-25 Rogers Frank Jasper Well-cleaning device
US2203966A (en) * 1938-05-16 1940-06-11 Herbert C Otis Scraping device
US4452307A (en) * 1980-06-09 1984-06-05 Horton Gary B Reamer
US4438812A (en) * 1982-08-23 1984-03-27 Hammon Donald P Brush tool for wells
DE9007432U1 (de) * 1990-04-06 1991-08-22 R. Späne GmbH Chem. techn. Produkte, 7888 Rheinfelden Brunnenregeneriergerät
NO305826B1 (no) * 1995-04-01 1999-08-02 Rotary Drilling Supplies Europ Innretning for rensing av det indre av en r°rdel
DE19708140A1 (de) * 1996-07-07 1998-01-08 Blank Karl Heinz Brunnenregeneriergerät und Verfahren zum Regenerieren von Brunnen
GB9902595D0 (en) * 1999-02-08 1999-03-24 Specialised Petroleum Serv Ltd Apparatus with retractable cleaning members
US7121336B2 (en) * 2002-11-11 2006-10-17 Mcginnis Chemical, Inc Well scrubber
US8210251B2 (en) * 2009-04-14 2012-07-03 Baker Hughes Incorporated Slickline conveyed tubular cutter system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009108068A1 (fr) 2008-02-28 2009-09-03 Petro Tools As Brosse hydraulique destinée à être utilisée dans des puits de forage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104165047A (zh) * 2013-05-17 2014-11-26 中国石油化工股份有限公司 滑套开关管柱及其使用方法
CN104165047B (zh) * 2013-05-17 2016-12-28 中国石油化工股份有限公司 滑套开关管柱及其使用方法
WO2015101765A3 (fr) * 2013-12-30 2015-12-23 Darcy Technologies Limited Appareil de fond de puits
US10718183B2 (en) 2013-12-30 2020-07-21 Halliburton Manufacturing And Services Limited Downhole apparatus for disrupting filter cake
CN116398062A (zh) * 2023-06-08 2023-07-07 山西国源煤层气综合利用工程技术股份有限公司 一种井下扩孔用液控可变径扶正器
CN116398062B (zh) * 2023-06-08 2023-08-11 山西国源煤层气综合利用工程技术股份有限公司 一种井下扩孔用液控可变径扶正器

Also Published As

Publication number Publication date
DK2458134T3 (da) 2017-11-06
EP2458134A3 (fr) 2016-01-13
DE102010052359A1 (de) 2012-05-31
EP2458134B1 (fr) 2017-07-19

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