EP2122118A2 - Dispositif de mesure dans un puits horizontal - Google Patents

Dispositif de mesure dans un puits horizontal

Info

Publication number
EP2122118A2
EP2122118A2 EP07871835A EP07871835A EP2122118A2 EP 2122118 A2 EP2122118 A2 EP 2122118A2 EP 07871835 A EP07871835 A EP 07871835A EP 07871835 A EP07871835 A EP 07871835A EP 2122118 A2 EP2122118 A2 EP 2122118A2
Authority
EP
European Patent Office
Prior art keywords
rods
circulation
probe
support
connection means
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
EP07871835A
Other languages
German (de)
English (en)
Other versions
EP2122118B1 (fr
Inventor
Georges Constantinou
Christian Wittrisch
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.)
IFP Energies Nouvelles IFPEN
Vinci Technologies SAS
Original Assignee
IFP Energies Nouvelles IFPEN
Vinci Technologies SAS
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 IFP Energies Nouvelles IFPEN, Vinci Technologies SAS filed Critical IFP Energies Nouvelles IFPEN
Priority to PL07871835T priority Critical patent/PL2122118T3/pl
Publication of EP2122118A2 publication Critical patent/EP2122118A2/fr
Application granted granted Critical
Publication of EP2122118B1 publication Critical patent/EP2122118B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • 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
    • E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
    • 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
    • E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells

Definitions

  • the present invention relates to the field of the exploitation of hydrocarbon deposits, in particular the field of horizontal drilling in which one must implement measurements in a well, or logs logging type.
  • the techniques currently used have drawbacks when the wells are drilled in rocks under high pressure, or when the control of fluid fluids deposit is difficult. This is particularly the case in some deep deposits, or in land buried under a great depth of water.
  • FIG. 1 depicts an example of a logging installation in a horizontal well 1.
  • a probe support 3 comprises a mapped electrical connector 4 connected by conductors to the log probes 2.
  • a load bar 5 comprising at its lower end a female electrical connector is lowered into the rod train 7 using an electric cable 6, said logging cable.
  • the load bar and the cable are pumped into the highly deflected portion of the well to the male connector of the probe holder.
  • the connection between the two elements of the electrical connector ensures the electrical continuity between the log probes and the recording equipment 10 located on the surface.
  • the operators screw a lateral entry connector 8 ("side entry sub") which makes it possible to pass the logging cable in the annular space between the well and the lining.
  • the reference 9 indicates the conventional means for closing the well which equip the head of well.
  • the fluid lifts can also be done from the inside of the drill rods.
  • the logging systems currently used allow the circulation of the drilling fluid, in particular for cooling the well, renewing the drilling fluid, ensuring the maintenance of the pressure balance with the geological formation traversed, but also for pumping and moving. the load bar in the internal space of the drill rods.
  • the equipment currently used allows free movement in both directions inside the drill string.
  • the present invention aims to remedy the risk of sudden circulation, in the opposite direction from the bottom up, inside the rods being logging horizontally, this circulation may notably cause a blowout on the surface ("blowout"). , or a disconnection of the cards maie and female.
  • the invention relates to a logging probe support device comprising plug-in connection means at the bottom of the well with a logging cable contained in the internal space of rods on which the support is fixed, means of fluid communication between the internal space of the rods and the outside of the support, said communications being arranged between the probe and the connection means.
  • the device comprises, between the communications and the connection means, shut-off means of the non-return valve type allowing fluid circulation from the inside to the outside and preventing the flow of the outside towards the inside of the support.
  • the sealing means may comprise a tilting lid.
  • the sealing means may comprise a piston-type seal.
  • a conduit may put the connection means and the means of electrical connection with the probe in pressure equilibrium.
  • Reminder means can keep closed the closure means.
  • Locking means can keep the closure means open.
  • FIG. 1 describes a system according to the prior art
  • FIGS. 3 a and 3b describe a variant according to the invention.
  • FIG. 2a shows in schematic section an embodiment of the device according to the invention.
  • Reference 2 indicates the logging probe mechanically bonded to the body of support 3 by conventional mechanical means, flanges, nut, or the like.
  • the body of the support 3 is attached to the lower end of a tabular liner 12 for manipulating the logging probes in a well.
  • Electrical connection means 14 comprise a socket 15 connected to load bars operated in the internal space of the rods 12 by a logging cable.
  • the female connector is plugged on the male connector 16.
  • a bundle of electrical connections 17 passes through a conduit 18 to be brought to the electrical contactors 19 with the probe 2. It is noted that up to at the contacts 19, the electrical harness is subjected to the same pressure as the connection means 14.
  • the body of the probe support 3 has openings 13, in the form of grids or bores of appropriate size to prevent internal clogging by debris.
  • the circulation of a fluid by pumping from the inside of the rods 12 can be done in the direction shown by the arrows 20.
  • This circulation is performed to pump the female connector 15 for connection, or to clean the well. through the use of the upward circulation in the well of a suitable fluid.
  • a non-return valve type closure means is interposed between the circulation openings 13 and the connection means.
  • This sealing means is made by incorporating into the body of the probe support a cylinder 22 carrying an annular seat 23 on which is closed a cover 24 swinging on a hinge 25.
  • a return spring mounted on the hinge the hinge maintains in closed position the lid on the seat.
  • the cylinder of the sealing means is assembled tightly in the internal bore of the body of the probe support.
  • the seals are not shown in the figures.
  • the flow of fluid can be in the inner direction of the rods to the outside of the probe support, the valve being free in this direction.
  • Figure 2b shows the closing means closed by the lid closed on the seat.
  • the circulation can not be done in the outside direction of the probe support towards the inside of the rods. This circulation, said in the opposite direction, is prohibited.
  • FIGS. 3a and 3b show another embodiment of the closure means, in which the lid is in the form of a piston 26 which moves longitudinally on a rod 27 to clear the passage under the action of the direct circulation or sealing on a seat 28 under the action of a return means and the reverse circulation.
  • reference numeral 29 designates a latch which keeps the lid open, if it is desired to use a probe support without making operating the anti-return type closure means. This latch is manually placed before the probe holder assembly on the operating rods.
  • An equivalent system can also equip the variant of the sealing means according to FIGS. 3 a and 3b.

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Fluid Pressure (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne un dispositif de support (3) de sonde (2) de diagraphie comportant des moyens de connexion (4) enfichables en fond de puits avec un câble de diagraphie contenu dans l'espace interne de tiges (7) sur lesquelles le support est fixé, des moyens de communication fluidique entre l'espace interne des tiges et l'extérieur du support, les communications étant disposées entre la sonde et les moyens de connexion. Le dispositif comporte, entre les communications et les moyens de connexion, des moyens d'obturation du type clapet anti-retour autorisant la circulation de fluide de l'intérieur vers l'extérieur et interdisant la circulation de l'extérieur vers l'intérieur du support.

Description

DISPOSITIF DE MESURE DANS UN PUITS HORIZONTAL
La présente invention concerne le domaine de l'exploitation de gisements d'hydrocarbures, en particulier le domaine des forages horizontaux dans lesquels on doit mettre en oeuvre des mesures dans un puits, ou diagraphies de type "logging". Les techniques actuellement utilisées présentent des inconvénients lorsque les puits sont forés dans des roches sous forte pression, ou lorsque le contrôle des venues de fluides de gisement est difficile. C'est le cas notamment dans certains gisements à grande profondeur, ou dans des terrains enfouis sous une grande profondeur d'eau.
La figure 1 décrit un exemple d'une installation de diagraphie dans un puits horizontal 1. Un support de sonde 3 comporte un connecteur électrique maie 4 relié par des conducteurs aux sondes de diagraphies 2. Une barre de charge 5 comportant à son extrémité inférieure un connecteur électrique femelle est descendue dans le train de tige 7 à l'aide d'un câble électrique 6, dit câble de diagraphie. La barre de charge et le câble sont déplacés par pompage dans la partie très déviée du puits jusqu'au connecteur maie du support de sonde. La connexion entre les deux éléments du connecteur électrique assure la continuité électrique entre les sondes de diagraphies et les équipements d'enregistrement 10 situés en surface. Une fois le connecteur femelle en place sur le connecteur maie, les opérateurs vissent un raccord à entrée latérale 8 ("side entry sub") qui permet de faire passer le câble de diagraphie dans l'espace annulaire entre le puits et la garniture. Ainsi, la progression de la descente, et/ou du déplacement, des sondes se fait par l'assemblage, ou le retrait, des tiges de garniture 11. La référence 9 indique les moyens conventionnels d'obturation du puits qui équipent la tête de puits. Durant l'opération de diagraphie utilisant un train de tiges de forage la pression du fluide de la formation géologique est équilibrée par la pression hydrostatique du fluide, notamment de forage, contenu dans les tiges et à l'extérieur des tiges.
En cas de déséquilibre, des venues impromptues de fluides provenant de la formation peuvent être difficile à contrôler. La remontée de fluides par l'annulaire peut être contrôlée par le système d'étanchéité annulaire 9.
Mais les remontées de fluides risquent aussi de se faire par l'intérieur des tiges de forage. En effet, les systèmes de diagraphie actuellement utilisés permettent la circulation du fluide de forage, notamment pour refroidir le puits, renouveler le fluide de forage, assurer le maintien de l'équilibre de pression avec la formation géologique traversée, mais également pour pomper et déplacer la barre de charge dans l'espace interne des tiges de forage. Les équipements actuellement utilisés autorisent la libre circulation dans les deux sens à l'intérieur du train de tiges.
La présente invention a pour objet de remédier aux risques de circulation brutale, dans le sens inverse de bas en haut, à l'intérieur des tiges en cours de diagraphie horizontale, cette circulation risquant notamment de provoquer une éruption en surface ("blowout"), ou une déconnexion des fiches maie et femelle.
Ainsi, l'invention concerne un dispositif de support de sonde de diagraphie comportant des moyens de connexion enfichables en fond de puits avec un câble de diagraphie contenu dans l'espace interne de tiges sur lesquelles le support est fixé, des moyens de communication fluidique entre l'espace interne des tiges et l'extérieur du support, lesdites communications étant disposées entre la sonde et les moyens de connexion. Le dispositif comporte, entre les communications et les moyens de connexion, des moyens d'obturation du type clapet anti-retour autorisant la circulation de fluide de l'intérieur vers l'extérieur et interdisant la circulation de l'extérieur vers l'intérieur du support.
Les moyens d'obturation peuvent comporter un opercule basculant.
Les moyens d'obturation peuvent comporter un opercule de type piston.
Un conduit peut mettre en équilibre de pression les moyens de connexion et les moyens de connexion électrique avec la sonde.
Des moyens de rappel peuvent maintenir fermé les moyens d'obturation.
Un moyen de verrouillage peut maintenir ouvert les moyens d'obturation.
Le moyen de verrouillage peut être actionné manuellement. La présente invention sera mieux comprise et ses avantages apparaîtront plus clairement à la lecture de la description qui suit, illustrée par les figures ci-après annexées, parmi lesquelles: - la figure 1 décrit un système selon l'art antérieur,
- les figures 2a et 2b décrivent le dispositif de support de sonde de l'invention,
- les figure 3 a et 3b décrivent une variante selon l'invention.
La figure 2a montre en coupe schématique une réalisation du dispositif selon l'invention. La référence 2 indique la sonde de diagraphie liée mécaniquement au corps du support 3 par des moyens mécaniques conventionnels, brides, écrou, ou équivalents. Le corps du support 3 est fixé à l'extrémité inférieure d'une garniture de tabulaires 12 permettant de manoeuvrer les sondes de diagraphie dans un puits. Des moyens de connexion électrique 14 comportent une prise femelle 15 assemblée à des barres de charge manoeuvrées dans l'espace interne des tiges 12 par un câble de diagraphie. Sur les figures, le connecteur femelle est enfiché sur le connecteur maie 16. pour relier électriquement la sonde 2, un faisceau de liaisons électriques 17 passe dans un conduit 18 pour être amené aux contacteurs électriques 19 avec la sonde 2. On note que jusqu'aux contacts 19, le faisceau électrique est soumis à la même pression que les moyens de connexion 14.
Le corps du support de sonde 3 comporte des ouvertures 13, sous la forme de grilles ou de perçages de dimension appropriée pour éviter le bouchage intérieur par des débris. Ainsi, la circulation d'un fluide par pompage par l'intérieur des tiges 12 peut se faire selon la direction montré par les flèches 20. Cette circulation est effectuée pour déplacer par pompage la prise femelle 15 pour la connexion, ou pour nettoyer le puits grâce à l'utilisation de la circulation remontante dans le puits d'un fluide adapté. Selon l'invention, un moyen d'obturation de type clapet anti retour est intercalé entre les ouvertures de circulation 13 et les moyens de connexion. Ce moyen d'obturation est réalisé par incorporation dans le corps du support de sonde d'un cylindre 22 portant un siège annulaire 23 sur lequel vient se refermer un opercule 24 basculant sur une charnière 25. Un ressort de rappel monté sur l'articulation de la charnière maintient en position fermée l'opercule sur le siège. Le cylindre des moyens d'obturation est assemblé étanche dans l'alésage interne du corps du support de sonde. Les joints d'étanchéité ne sont pas représentés sur les figures. Ainsi, la circulation du fluide peut se faire dans le sens intérieur des tiges vers l'extérieur du support de sonde, le clapet étant libre dans ce sens. La figure 2b montre les moyens d'obturation fermés par l'opercule refermé sur le siège. La circulation ne peut se faire dans le sens extérieur du support de sonde vers l'intérieur des tiges. Cette circulation, dite en sens inverse, est donc interdite.
Les figure 3 a et 3b montrent une autre réalisation des moyens d'obturation, dans laquelle l'opercule est sous la forme d'un piston 26 qui se déplace longitudinalement sur une tige 27 pour dégager le passage sous l'action de la circulation directe, ou faire étanchéité sur un siège 28 sous l'action d'un moyen de rappel et de la circulation inverse.
Sur la figure 2a, la référence 29 désigne un loquet qui maintient ouvert l'opercule, si l'on désire utiliser un support de sonde sans rendre opérant les moyens d'obturation de type anti retour. Ce loquet est mis en place manuellement avant l'assemblage du support de sonde sur les tiges de manoeuvre. Un système équivalent peut ausi équiper la variante des moyens d'obturation selon les figure 3 a et 3b.

Claims

REVENDICATIONS
1) Dispositif de support de sonde de diagraphie (2) comportant des moyens de connexion enfichables en fond de puits avec un câble de diagraphie contenu dans l'espace interne de tiges sur lesquelles ledit support est fixé, des moyens de communication fluidique (13) entre l'espace interne des tiges et l'extérieur du support, lesdites communications étant disposées entre la sonde et les moyens de connexion, caractérisé en ce qu'il comporte, entre les communications et les moyens de connexion, des moyens d'obturation du type clapet anti-retour autorisant la circulation de fluide de l'intérieur vers l'extérieur et interdisant la circulation de l'extérieur vers l'intérieur du support.
2) Dispositif selon la revendication 1, dans lequel les moyens d'obturation comportent un opercule basculant. 3) Dispositif selon la revendication 1, dans lequel les moyens d'obturation comportent un opercule de type piston. 4) Dispositif selon l'une des revendications précédentes, dans lequel un conduit met en équilibre de pression les moyens de connexion et les moyens de connexion électrique avec la sonde. 5) Dispositif selon l'une des revendications précédentes, dans lequel des moyens de rappel maintiennent fermé les moyens d'obturation.
6) Dispositif selon l'une des revendications précédentes, dans lequel un moyen de verrouillage maintient ouvert les moyens d'obturation.
7) Dispositif selon la revendication 6, dans lequel ledit moyen de verrouillage est actionné manuellement.
EP07871835.0A 2006-12-15 2007-12-10 Dispositif de mesure dans un puits horizontal Not-in-force EP2122118B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07871835T PL2122118T3 (pl) 2006-12-15 2007-12-10 Urządzenie pomiarowe w szybie poziomym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0610993A FR2910048B1 (fr) 2006-12-15 2006-12-15 Dispositif de mesure dans un puits horizontal.
PCT/FR2007/002041 WO2008087282A2 (fr) 2006-12-15 2007-12-10 Dispositif de mesure dans un puits horizontal

Publications (2)

Publication Number Publication Date
EP2122118A2 true EP2122118A2 (fr) 2009-11-25
EP2122118B1 EP2122118B1 (fr) 2019-07-24

Family

ID=38229384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07871835.0A Not-in-force EP2122118B1 (fr) 2006-12-15 2007-12-10 Dispositif de mesure dans un puits horizontal

Country Status (9)

Country Link
US (1) US8695701B2 (fr)
EP (1) EP2122118B1 (fr)
CN (1) CN101636557B (fr)
CA (1) CA2671252C (fr)
CY (1) CY1122589T1 (fr)
FR (1) FR2910048B1 (fr)
PL (1) PL2122118T3 (fr)
RU (1) RU2470151C2 (fr)
WO (1) WO2008087282A2 (fr)

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Also Published As

Publication number Publication date
CN101636557A (zh) 2010-01-27
US20100089567A1 (en) 2010-04-15
CY1122589T1 (el) 2021-01-27
PL2122118T3 (pl) 2020-01-31
RU2470151C2 (ru) 2012-12-20
CA2671252A1 (fr) 2008-07-24
FR2910048A1 (fr) 2008-06-20
CN101636557B (zh) 2013-04-10
WO2008087282A2 (fr) 2008-07-24
RU2009127098A (ru) 2011-01-20
WO2008087282A3 (fr) 2009-08-27
EP2122118B1 (fr) 2019-07-24
US8695701B2 (en) 2014-04-15
FR2910048B1 (fr) 2009-02-06
CA2671252C (fr) 2014-02-11

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