EP1234100A2 - Soupape de production - Google Patents

Soupape de production

Info

Publication number
EP1234100A2
EP1234100A2 EP00989922A EP00989922A EP1234100A2 EP 1234100 A2 EP1234100 A2 EP 1234100A2 EP 00989922 A EP00989922 A EP 00989922A EP 00989922 A EP00989922 A EP 00989922A EP 1234100 A2 EP1234100 A2 EP 1234100A2
Authority
EP
European Patent Office
Prior art keywords
wellbore
branch
closure member
wellbore system
hydrocarbon fluid
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
EP00989922A
Other languages
German (de)
English (en)
Other versions
EP1234100B1 (fr
Inventor
Wilhelmus Hubertus Paulus Maria Heijnen
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to EP00989922A priority Critical patent/EP1234100B1/fr
Publication of EP1234100A2 publication Critical patent/EP1234100A2/fr
Application granted granted Critical
Publication of EP1234100B1 publication Critical patent/EP1234100B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
    • E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well

Definitions

  • the present invention relates to a wellbore system comprising a main wellbore and a plurality of branch wellbores formed in an earth formation.
  • Such wellbore system is generally referred to as a branched wellbore system, or a multilateral wellbore system.
  • the wellbore section extending from surface to the first wellbore junction below surface is referred to as the main wellbore, and the other wellbore sections are referred to as branch wellbores.
  • the wellbore system consists of a vertical wellbore extending into a reservoir and one branch extending from a junction at the main wellbore into another reservoir
  • the part of the vertical wellbore below the junction is referred to as a branch wellbore
  • the part of the vertical wellbore above the junction is referred to as the main wellbore .
  • a wellbore system formed in an earth formation including at least one hydrocarbon fluid reservoir, the wellbore system comprising a main wellbore and a plurality of branch wellbores, each branch wellbore extending from the main wellbore into the earth formation and providing fluid communication between said at least one hydrocarbon fluid reservoir and the main wellbore, each branch wellbore being provided with a production valve comprising anchoring means for fixedly anchoring the production valve in the branch wellbore and control means for controlling the flow rate of a stream of hydrocarbon fluid flowing from said at least one reservoir via the branch wellbore into the main wellbore.
  • the flow rate of hydrocarbon fluid produced from the different branch wellbores can be individually controlled. Furthermore, the pressure drop across each production valve can be controlled in a manner that the pressure of the stream of fluid in the corresponding branch wellbore downstream the production valve is such that flow from one reservoir into another reservoir is prevented.
  • FIG. 1 schematically shows an embodiment of a production valve applied in the wellbore system according to the invention
  • Fig. 2 schematically shows a first detail of the embodiment of Fig. 1;
  • FIG. 3 schematically shows a second detail of the embodiment of Fig. 1;
  • Fig. 4 schematically shows a third detail of the embodiment of Fig. 1
  • Fig. 5 schematically shows a detail of an alternative power generator for use in a modified version of the embodiment of Fig. 1;
  • Fig. 6 schematically shows cross-section 6-6 of Fig. 5.
  • Fig. 1 a production valve 1 fixedly arranged within a casing 2 of a wellbore (not shown) by means of a lock mandrel 4 which seals the production valve 1 to the casing 2 and which is suitable to transmit acoustic signals from the casing 2 to the production valve 1.
  • the wellbore forms one of a plurality of wellbore branches of a branched wellbore system for the production of natural gas.
  • the branched wellbore system is formed of a main wellbore and a plurality of branch wellbores, each branch wellbore extending from the main wellbore into a natural gas reservoir, whereby the different reservoirs have mutually different fluid pressures.
  • the main wellbore is provided with a main casing, and each branch wellbore is provided with a branch casing similar to casing 2, each branch casing being sealed to, and in metallic contact with, the main casing.
  • the production valve 1 includes a tubular housing 6 provided with a controllable valve A, a valve actuation module B, and a power generator C.
  • Fig. 2 shows in more detail the controllable valve A having axis of symmetry 8, whereby at the upper side of axis 8 the controllable valve A is shown in an open mode thereof, and at the lower side of axis 8 the controllable valve is shown in a closed mode thereof.
  • the controllable valve A includes a flow passage 10 and a closure member 12 which is movable in axial direction relative to the flow passage 10 between an open position in which the closure member 12 leaves the flow passage open and a closed position in which the closure member 12 closes the flow passage 10.
  • the closure member 12 is provided with a frustoconical surface portion 14 which, when the closure member is in the closed position, is in sealing contact with a correspondingly shaped seat surface 16 surrounding the flow passage 10.
  • the flow passage is in fluid communication with two inlet openings 18 and an outlet 19, the inlet openings 18 being arranged such that these are gradually covered by the closure member 12 as the latter moves from the open position to the closed position thereof.
  • a slotted tube 20 is at one end thereof connected to the end of the closure member 12 opposite the surface portion 14, which tube 20 is at the other end thereof provided with an annular shoulder 22.
  • the housing is internally provided with a stop ring 24 arranged so that the annular shoulder 22 of the tube 20 contacts the stop ring 24 when the frustoconical surface portion 14 of the closure member 12 is only a very short distance away from the seat surface 16.
  • the tube 20 exerts a tensile force to the closure member 12 and thereby acts as a spring.
  • An annular choke 26 is arranged in the flow passage 10 such that fluid entering the housing 6 via the inlet openings 18 flows via the annular choke 26 to the outlet 19.
  • a lock ring 28 threadedly connected to the housing locks the choke 26 in place.
  • actuation module B which includes an electric stepper motor 30 having a drive shaft 32 provided with a first gear-wheel 34 driving a second gear-wheel 36.
  • a tubular spindle 38 extends in axial direction through the second gear-wheel 36, the spindle 38 and the second gearwheel 36 having co-operating threads (not shown) by so that when the second gear-wheel 36 is rotated, the spindle 38 moves in axial direction.
  • a guide pin 40 is fixedly arranged in the housing by a fixing disc 42 such that the guide pin extends in axial direction through the tubular spindle 38 so as to guide the spindle 38 during axial movement thereof.
  • the end of the spindle 38 remote from the fixing disc 42 is connected to the closure member 12 by suitable connecting means (not shown) .
  • the actuation module B furthermore includes a control system 44 provided with a battery (not shown) for driving the electric motor and a microprocessor (not shown) having an acoustic sensor.
  • the microprocessor has been programmed to control operation of the stepper motor in dependence of coded acoustic signals received by the acoustic sensor.
  • the various parts of the drive assembly B are locked in the housing 6 by means of four lock rings 46a, 46b, 46c, 46d.
  • the power generator C includes a turbine having a housing member 48 fixedly connected to the tubular housing 6 by thread connection 50.
  • a shaft 52 extends concentrically through the housing member 48, which shaft is rotatably arranged in a ceramic bearing 53 and is provided with an impeller 54 arranged at the end of the shaft 52 opposite the actuation module B.
  • the other end of the shaft 52 is provided with a thrust bearing 56 preventing axial movement of the shaft 6 relative to the tubular housing 6.
  • a plurality of magnets 58 are fixedly connected to the shaft 52 at regular angular intervals along the circumference of the shaft 52.
  • a glass sealed coil 60 is fixedly arranged in the housing member 48 and extends around the magnets 58, the coil being electrically connected to the control system in a manner that the coil 60 charges the battery when the shaft 52 rotates .
  • FIGs. 5 and 6 an alternative power generator 60 for incorporation in the production valve of Fig. 1 instead of the power generator C.
  • the alternative power generator 60 forms a fluidic electrical generator comprising a generator body 62 including an outer body part 62a and an inner body part 62b fixedly arranged in the outer body part 62a.
  • the outer body part 62a is provided with a thread connection 64 for screwing the power generator 60 into the housing 6 and with a fluid chamber 66 having a fluid inlet 68 and two fluid outlets 70, 72 extending in diverging directions.
  • a magnetic oscillator 74 is arranged in the fluid chamber 66, the oscillator 74 being provided with two supports 76 of triangular cross-sectional shape, each support having an edge resting in a groove (not shown) provided in the inner body part 62b in a manner allowing angular oscillation of the oscillator 74 relative to said edge.
  • the oscillator divides the fluid chamber 66 in two fluid passages 66a, 66b along opposite sides of the oscillator 74.
  • a feed-back conduit 79 provides fluid communication between the fluid passages 66a, 66b.
  • Two electric coils 80, 82 are arranged in the outer body part 62a, which coils extend around the magnetic oscillator 74 are provided with electric connections (not shown) for connecting the coils 80, 82 to the control system in a manner that the coils 80, 82 charge the battery when the oscillator 74 oscillates in the fluid chamber 66.
  • Each one of the branch wellbores is provided with a production valve similar to the production valve 1, except that the inner diameters of the annular chokes are different for the different production valves.
  • the selection of said different inner diameters is discussed hereinafter in relation to normal operation of the production valve 1.
  • each controllable valve A of a respective production valve 1 is kept in the open mode. In this mode produced gas flows via the inlet openings 18 into the flow passage 10 at maximum flow rate. As the gas flows along the impeller 54 the latter is rotated, resulting in rotation of the shaft 52 and the magnets 58. An electric current is thereby generated in the coil 60, which current flows via the control system to the battery and thereby charges the battery. Since critical flow of the gas does not occur at the location of the closure member 12, but instead in the choke 26, the closure member 12 is not subjected to enhanced erosion as a result of gas flowing at critical flow rate along the closure member.
  • a coded acoustic signal representing an instruction to move the closure member 12 a selected distance into the flow passage 10 is generated in the main casing. This can be done, for example, by inducing a sequence of metallic object impacts on the main casing.
  • the acoustic signal travels via the main casing, the branch casing 2 and the lock mandrel 4 to the acoustic sensor which induces the microprocessor to control the stepper motor 30 so as to rotate the drive shaft 32 a selected number of revolutions commensurate with the required movement of the closure member 12.
  • the second gear-wheel rotates and thereby moves the spindle 38 and the closure member 12 over said selected distance into the flow passage 10.
  • the flow openings 18 are thereby partly covered so that gas can only flow at a reduced flow rate via the inlet openings 18 to the outlet 19.
  • the coded acoustic signal now represents an instruction to move the closure member 12 against the seat surface 16 of the housing 6.
  • the closure member 12 is moved against the seat surface 16 so that the controllable valve A is in the closed mode.
  • the annular shoulder 22 of the tube slotted 20 contacts the stop ring 24, and the tube 20 exerts a tensile force to the closure member 12 biasing the closure member 12 away from the seat surface 16.
  • a coded acoustic signal representing an instruction to move the closure member 12 to the open position thereof is generated in the main casing. Initial movement of the closure member 12 from the closed position to the open position thereof is promoted by the tensile force from the slotted tube 20.
  • Normal operation of the modified version of the embodiment of Fig. 1 is similar to normal operation of the embodiment of Fig. 1, except that electric current is generated by the alternative power generator 60 instead of the power generator C.
  • gas which enters the fluid chamber 66 via fluid inlet 68 flows through the fluid passages 66a, 66b along the oscillator 74 and further through the fluid outlets 70, 72.
  • the feed-back conduit 79 causes a Coanda effect to occur in the fluid passages 66a, 66b causing flow of gas into the outlets 70, 72 in an alternating manner.
  • angular oscillation of the magnetic oscillator 74 occurs around the support edges of the supports 76.
  • An electric current is thereby generated in the coils 80, 82, which current flows via the control system to the battery and thereby charges the battery.

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Valve Housings (AREA)
  • Flow Control (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Magnetically Actuated Valves (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un système de forage installé dans une formation terrestre comportant au moins un réservoir de fluides hydrocarburés. Ce système de forage comprend un puits principal et une pluralité de puits secondaires s'étendant depuis le puits principal à l'intérieur de la formation terrestre et fournissant une créant une communication fluidique entre ledit réservoir de fluides hydrocarburés et le puits principal, chaque puits secondaire étant pourvu d'une soupape de production comprenant un dispositif de fixation permettant de fixer solidement ladite soupape de production dans le puits secondaire et un dispositif de commande permettant de commander le taux d'écoulement d'un flux de fluides hydrocarburés provenant dudit réservoir pour pénétrer le puits principal à travers le puits secondaire.
EP00989922A 1999-11-29 2000-11-28 Soupape de production Expired - Lifetime EP1234100B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00989922A EP1234100B1 (fr) 1999-11-29 2000-11-28 Soupape de production

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP99204025 1999-11-29
EP99204025 1999-11-29
EP00989922A EP1234100B1 (fr) 1999-11-29 2000-11-28 Soupape de production
PCT/EP2000/011993 WO2001040624A2 (fr) 1999-11-29 2000-11-28 Soupape de production

Publications (2)

Publication Number Publication Date
EP1234100A2 true EP1234100A2 (fr) 2002-08-28
EP1234100B1 EP1234100B1 (fr) 2005-02-16

Family

ID=8240929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00989922A Expired - Lifetime EP1234100B1 (fr) 1999-11-29 2000-11-28 Soupape de production

Country Status (12)

Country Link
EP (1) EP1234100B1 (fr)
CN (1) CN1402810A (fr)
AU (1) AU767007B2 (fr)
BR (1) BR0015949A (fr)
CA (1) CA2392117C (fr)
DE (1) DE60018202T2 (fr)
EG (1) EG22789A (fr)
MX (1) MXPA02005298A (fr)
NO (1) NO20022512L (fr)
OA (1) OA12102A (fr)
RU (1) RU2002117299A (fr)
WO (1) WO2001040624A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015012448B1 (pt) 2013-01-22 2021-09-08 Halliburton Energy Services, Inc Dispositivo de controle de fluxo para uso com um poço subterrâneo, e, método para regular fluxo entre um interior e um exterior de uma coluna tubular em um poço
CN106996280A (zh) * 2017-05-22 2017-08-01 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 一种预置式可调节流器
US10961819B2 (en) 2018-04-13 2021-03-30 Oracle Downhole Services Ltd. Downhole valve for production or injection
US11591886B2 (en) 2019-11-13 2023-02-28 Oracle Downhole Services Ltd. Gullet mandrel
US11702905B2 (en) 2019-11-13 2023-07-18 Oracle Downhole Services Ltd. Method for fluid flow optimization in a wellbore

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868210A (en) * 1995-03-27 1999-02-09 Baker Hughes Incorporated Multi-lateral wellbore systems and methods for forming same
US5762149A (en) * 1995-03-27 1998-06-09 Baker Hughes Incorporated Method and apparatus for well bore construction
NO954352D0 (no) * 1995-10-30 1995-10-30 Norsk Hydro As Anordning for innströmningsregulering i et produksjonsrör for produksjon av olje eller gass fra et olje- og/eller gassreservoar
WO1997037102A2 (fr) * 1996-04-01 1997-10-09 Baker Hughes Incorporated Dispositifs de regulation d'ecoulement de fond de puits

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0140624A3 *

Also Published As

Publication number Publication date
AU2670501A (en) 2001-06-12
NO20022512D0 (no) 2002-05-28
DE60018202T2 (de) 2006-02-16
EG22789A (en) 2003-08-31
RU2002117299A (ru) 2004-01-10
WO2001040624A3 (fr) 2001-12-13
CN1402810A (zh) 2003-03-12
OA12102A (en) 2006-05-04
MXPA02005298A (es) 2002-12-13
DE60018202D1 (de) 2005-03-24
BR0015949A (pt) 2002-08-20
AU767007B2 (en) 2003-10-30
CA2392117A1 (fr) 2001-06-07
NO20022512L (no) 2002-07-25
WO2001040624A2 (fr) 2001-06-07
EP1234100B1 (fr) 2005-02-16
CA2392117C (fr) 2008-11-18

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