EP2821586A2 - Achèvement de puits d'un trou de stockage - Google Patents

Achèvement de puits d'un trou de stockage Download PDF

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Publication number
EP2821586A2
EP2821586A2 EP20140170623 EP14170623A EP2821586A2 EP 2821586 A2 EP2821586 A2 EP 2821586A2 EP 20140170623 EP20140170623 EP 20140170623 EP 14170623 A EP14170623 A EP 14170623A EP 2821586 A2 EP2821586 A2 EP 2821586A2
Authority
EP
European Patent Office
Prior art keywords
tube
completion according
borehole completion
liner
borehole
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
EP20140170623
Other languages
German (de)
English (en)
Other versions
EP2821586B1 (fr
EP2821586A3 (fr
Inventor
Michael Klafki
Andreas Bannach
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.)
RWE Deutschland AG
Original Assignee
RWE Deutschland 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 Deutschland AG filed Critical RWE Deutschland AG
Publication of EP2821586A2 publication Critical patent/EP2821586A2/fr
Publication of EP2821586A3 publication Critical patent/EP2821586A3/fr
Application granted granted Critical
Publication of EP2821586B1 publication Critical patent/EP2821586B1/fr
Active 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • 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
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B41/005—Waste disposal systems
    • E21B41/0057—Disposal of a fluid by injection into a subterranean formation
    • 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
    • E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells

Definitions

  • the invention relates to a well completion of a storage bore of a compressed air cavern, comprising a stand tube, an anchor tube, a feed tube tour of a first material and extending into the Druckluftkaverne conveyor tube.
  • a submarine well completion for an oil or gas well is known.
  • the well completion described therein essentially corresponds to a conventional borehole completion of so-called production wells. These usually include a standpipe tour, an anchor pipe tour and a production pipe tour. Depending on the final depth of the drilling, the latter may comprise several intermediate pipe runs and one production pipe run, which comprises a liner pipe and a conveyor pipe or tubing.
  • the usual diameter of production tubing in production wells are between 6 5/8 and 9 5/8 in.
  • caverns in salt deposits are also used as compressed air storage, in analogy to pumped storage power plants in low load periods of the power grid air is compressed in caverns and workload is relaxed at peak load times the compressed air. Efficiencies of about 70% should be achieved with such compressed air storage caverns.
  • the injection and removal of the compressed air can be done for example via appropriately trained holes as a connecting element between surface facilities and the salt cavern.
  • the wellbores may be subject to increased corrosion because the moist compressed air, unlike a fuel gas, is relatively corrosive.
  • the invention has for its object to provide a Bohrlochkomplett réelle a storage bore of a compressed air cavern, with which it is particularly possible to promote high pressure air flow and which is suitable for increased pressure cycling and for the promotion of a corrosive medium.
  • Bohrlochkomplett ist a storage bore of a Druckbuchkaverne, comprising a stand tube, an anchor tube, a Futterrohrtour of a first material and extending into the Druck povertyverne conveyor tube tour, wherein the Bohrlochkomplett réelle according to the invention is characterized in that the redesignertubeour as a casing shoe at its leading end in the storage bore each comprise a casing section or a casing section of a second corrosion-resistant material, which is different from the first material, that the casing shoe is connected via an insulating pipe sleeve of a third material to the Futterrohrtour and that the third Material is different from the first and second material.
  • lining tube tour used here is used here correspondingly for the term “liner”, which is often used in specialist jargon.
  • the term “conveying tube” in the context of the present application is referred to in the jargon as Steigrohrtour or tubing. If the term “casing” is mentioned in the following text, this term refers to the individual pipe runs or pipe runs that form the permanent cemented down hole inventory.
  • the so-called casing or liner usually forms the last production pipe that is cemented in the well.
  • According to the invention is therefore intended to form the lining tube tour with a casing shoe made of a corrosion-resistant material, which is different from the first material of the rest of the lining tube tour.
  • At least one pipe section or pipe section or a pipe section is referred to, which forms the leading end of the relevant pipe run.
  • the casing of the Bohrlochkomplett ist according to the invention consists of a corrosion-resistant stainless steel.
  • a carbon steel can be provided.
  • the casing section of the first material is coated internally with a synthetic resin, for example with a polymer.
  • the annulus between the production tubing and the liner tube above the casing shoe is sealed against the compressed air cavern so that only the casing is exposed to the compressed air cavern.
  • the pipe sleeve is designed as a double sleeve, which receives in each case a threaded portion of a pipe section.
  • the pipe socket is made of a third material which is different from the first and second material, so that in this way reliable contact corrosion between the casing shoe and the remainder of the casing pipe route is avoided.
  • the pipe sleeve may for example be formed as a double sleeve, which receives in each case a threaded portion of a pipe section.
  • the pipe sleeve consists of a glass fiber reinforced polymer.
  • the pipe sleeve can be designed so that it overlaps the pipe sections to be joined together so that it is not exposed to any significant pressure cycling.
  • the conveyor tube may be sealed within the liner tube at the level of the sleeve or below the sleeve with a packer.
  • a packer Under a packer according to the present invention is an annular hydraulic, pneumatic or mechanically lockable shut-off to understand.
  • a packer for example, a permanent Casingpacker be provided.
  • Such Casingpacker or Casinghanger are known as so-called permanent packer or so-called retrievable packer in the art.
  • the conveyor tube may be made entirely of a corrosion resistant stainless steel.
  • the tailpipe of the conveyor tube extends into the cavern neck of the compressed air cavern.
  • the diameter of the production tubing may be about 16 inches, which is relatively large compared to a riser of a crude oil production well or natural gas production well.
  • a protective fluid for example, a protective gas or a protective liquid can be provided.
  • a protective gas for example, nitrogen is considered.
  • FIG. 1 schematically a storage hole 1 a compressed air cavern 2 is shown.
  • the compressed air cavern 2 is designed as a cavern in a salt deposit, which is used for injection and extraction of compressed air.
  • the injection and removal of the compressed air takes place via a conveyor tube 3, suspended at the wellhead via a so-called tubing hanger spool.
  • the Tubing Hanger Spool is a steel fitting which is flanged in a known manner to the wellhead and in which the conveyor tube 3 is dismounted or suspended.
  • the well completion according to the invention comprises, in a known manner, a standpipe 4, an anchor pipe 5 and a liner 6.
  • the stand tube 4 is a rammed tube tour, which serves only to secure the upper layers of sediment.
  • the Ankerrohrtour 5 takes in a known manner the loads of Casings on.
  • the Futterrohrtour 6 is cemented in the storage hole 1.
  • the Futterrohrtour 6 is suspended in the so-called Casing Head, which may be preceded by intermediate tube tours depending on the final depth of the storage hole 1 of the feed pipe 6.
  • the cemented tubular casing 6 serves primarily to stabilize the borehole and to hydraulically separate the horizons intersected by the storage well 1.
  • the delivery tube 3 is sealed by means of a packer 7.
  • the packer 7 is formed in the present case as a permanent packer with flexible seals.
  • the annular space 8 above the packer 7 is filled with an annular space protection medium, for example with an annular space protection fluid.
  • This serves to maintain a constant pressure distribution in the annular space 8 for the protection of the casing and the cement ring space 9.
  • the annular space protection fluid serves the corrosion protection of the Futterrohrtour 6 inside and the conveyor tube 3 outside.
  • the annular space protection liquid acts insulating, in the sense that it enables a minimization of temperature fluctuations during storage operation of the compressed air cavern 2.
  • a protective gas for example nitrogen, may be provided instead of an annular space protection liquid.
  • the liner tube 6 has a diameter of 20 inches over about 95% of the total installation length. This consists with the exception of a liner shoe 10 made of a non-alloy steel, which has a wall thickness of 16.13 mm and is internally provided with a plastic coating as corrosion protection.
  • the liner 6 includes a liner shoe 10, which may include one or more pipe sections made of alloyed stainless steel.
  • the liner shoe also has an outside diameter of 20 inches and is connected to the liner 6 by an insulating sleeve 11.
  • the insulating sleeve 11 is formed as a double sleeve with two socket ends and consists of a glass fiber reinforced plastic. This causes a galvanic separation between the lining tube 6 made of non-alloyed stainless steel and the liner shoe 10 made of stainless steel.
  • the conveyor tube 3 has an outside diameter of 16 inches over about 90% of its installation length and is made entirely in alloyed stainless steel.
  • the conveying tube 3 is sealed by means of the permanent packer 7 against the lining tube 6, wherein the packer 7 is installed approximately at the level of the insulating sleeve 11 or below the insulating sleeve 11, so that only the sheath 6 of the corrosive atmosphere of the compressed air cavern 2 exposed is.
  • the conveyor tube 3 is, as in particular the FIGS. 1 and 2 can be seen, led relatively far into the Kavernenhals 12, so that the fraudrohrtour 3 can be temporarily shut off there, for example, with a so-called Retrievable Bridge Plug 13.
  • a bridge plug is generally understood to mean a plug-type borehole closure which can be removed and released in the manner of a packer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP14170623.4A 2013-07-04 2014-05-30 Achèvement de puits d'un trou de stockage Active EP2821586B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013011156.0A DE102013011156A1 (de) 2013-07-04 2013-07-04 Bohrlochkomplettierung einer Speicherbohrung

Publications (3)

Publication Number Publication Date
EP2821586A2 true EP2821586A2 (fr) 2015-01-07
EP2821586A3 EP2821586A3 (fr) 2015-02-25
EP2821586B1 EP2821586B1 (fr) 2016-08-31

Family

ID=50846833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14170623.4A Active EP2821586B1 (fr) 2013-07-04 2014-05-30 Achèvement de puits d'un trou de stockage

Country Status (6)

Country Link
EP (1) EP2821586B1 (fr)
DE (1) DE102013011156A1 (fr)
DK (1) DK2821586T3 (fr)
ES (1) ES2604126T3 (fr)
PL (1) PL2821586T3 (fr)
PT (1) PT2821586T (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001071157A1 (fr) 2000-03-17 2001-09-27 Halliburton Energy Services, Inc. Appareil de completion de puits souterrain comportant un systeme de debit, et procedes associes
EP1515128A1 (fr) 2003-09-12 2005-03-16 GESO Gesellschaft für Sensorik, Geotechnischen Umweltschutz und Mathematische Modellierung mbH, Jena Procédé et appareil pour tester l'étanchéité des puits souterraines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108438A (en) * 1958-08-08 1963-10-29 Socony Mobil Oil Co Inc Methods of and apparatus for operation of storage wells
DE2116850A1 (de) * 1971-04-06 1972-10-19 Kraftwerk Union Ag Gasturbinen-Luftspeicher-Anlage
DE4302643A1 (de) * 1993-01-30 1994-08-04 Solvay Salz Gmbh Verfahren zur Soleentleerung unter gleichzeitiger pneumatischer Stützung von Salzkavernen
MX2010007124A (es) * 2007-12-28 2010-09-28 Robroy Ind Inc Montaje y metodo de acoplamiento de revestimiento de tubo de alta presion.
US20100230902A1 (en) * 2009-03-12 2010-09-16 Baker Hughes Incorporated Downhole sealing device and method of making

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001071157A1 (fr) 2000-03-17 2001-09-27 Halliburton Energy Services, Inc. Appareil de completion de puits souterrain comportant un systeme de debit, et procedes associes
EP1515128A1 (fr) 2003-09-12 2005-03-16 GESO Gesellschaft für Sensorik, Geotechnischen Umweltschutz und Mathematische Modellierung mbH, Jena Procédé et appareil pour tester l'étanchéité des puits souterraines

Also Published As

Publication number Publication date
DE102013011156A1 (de) 2015-01-08
PT2821586T (pt) 2016-11-23
DK2821586T3 (en) 2016-12-12
ES2604126T3 (es) 2017-03-03
PL2821586T3 (pl) 2017-02-28
EP2821586B1 (fr) 2016-08-31
EP2821586A3 (fr) 2015-02-25

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