EP1688584A1 - Autonome Mess-und Behandlungssonde für Bohrloch-Vorerkundung - Google Patents

Autonome Mess-und Behandlungssonde für Bohrloch-Vorerkundung Download PDF

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Publication number
EP1688584A1
EP1688584A1 EP06101228A EP06101228A EP1688584A1 EP 1688584 A1 EP1688584 A1 EP 1688584A1 EP 06101228 A EP06101228 A EP 06101228A EP 06101228 A EP06101228 A EP 06101228A EP 1688584 A1 EP1688584 A1 EP 1688584A1
Authority
EP
European Patent Office
Prior art keywords
probe
casing
central body
autonomous
measuring
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
EP06101228A
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English (en)
French (fr)
Other versions
EP1688584B1 (de
Inventor
Thierry De Kimpe
Jean-Eric Negre
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.)
Sercel SAS
Original Assignee
Sercel SAS
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Filing date
Publication date
Application filed by Sercel SAS filed Critical Sercel SAS
Publication of EP1688584A1 publication Critical patent/EP1688584A1/de
Application granted granted Critical
Publication of EP1688584B1 publication Critical patent/EP1688584B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Definitions

  • the present invention relates to a probe intended to be lowered at the bottom of a well, in particular a well in an oil or gas reservoir.
  • the invention relates to a measuring probe, autonomous, intended to be lowered into a casing to be temporarily installed at the bottom of the well.
  • the amount of hydrocarbons that can be brought to the surface in relation to the total amount in the reservoir depends on the geology of the well and the production technique.
  • One technique that improves the recovery rate of hydrocarbons is, among other things, to inject into the reservoir a fluid under pressure so as to fracture the reservoir rock and thereby allow a more efficient drainage of the hydrocarbons to the well. production.
  • a known technique consists in lowering the measuring instruments attached to the outside of the casing (so as not to hinder production) so as to follow the quality of a hydraulic fracturing planned for the drainage, then to locate, thanks to to acoustic emissions generated by the flows, the movements of the different fluids present in the reservoir.
  • Another known technique is to use observation wells to allow similar measurements to be made without hindering production.
  • An aim of the invention is to make it possible to carry out a pre-study of an area in order to characterize over a short period of time the interest that will be represented by a permanent installation of measuring instruments and in particular to allow the characterization of hydraulic fracturing. .
  • the invention proposes a measuring probe and autonomous treatment capable of being installed and then temporarily abandoned at the bottom of the well, for example under the casing.
  • Another object of the invention is the use of this probe to control hydraulic fracturing in a well, in particular hydrocarbons.
  • an advantage of the invention is that its installation is relatively simple to implement.
  • this probe being autonomous, it can be easily abandoned at the bottom of the well for a chosen period of time and then recovered, as many times as necessary.
  • an advantage of being able to be abandoned is that it no longer encumber the well of the troublesome presence of cables that connect it to the surface.
  • this probe is arranged so as to implement typical operations of a well exploitation despite its presence.
  • the probe of the invention is particularly suitable for hydraulic fracturing can be implemented in the well.
  • the measurement of data from the sensors of the probe makes it possible in particular to analyze conditions in which the fracturing process takes place and to adapt the latter if necessary.
  • the invention also provides an advantage in financial terms.
  • the probe as proposed by the invention is shown in FIG. 1 according to an overall side view while FIG. view of this probe at an angle parallel to a longitudinal axis X of the probe.
  • the longitudinal axis X corresponds to a vertical axis when the probe is in a position of usual use, namely in the well.
  • the probe comprises a central body 1 integrally traversed along the axis X by a passage opening 2.
  • the body comprises two identical cylinder-shaped parts 1 'and 1 "traversed centrally along the X axis by the orifice 2.
  • the shape of the upper end of the central body of the probe may be arranged in such a way as to be able to leave this end just in the lower outlet of a casing, even when the probe is anchored to a casing.
  • the inner wall of the main body 1 has a cylindrical recess in which retaining lugs of a laying tool can be integrated.
  • the probe is adapted to be engaged by a coiled casing (a coiled casing is commonly referred to as "coil tubing" in the English language) so that the latter can raise it from the bottom of the well.
  • a coiled casing is commonly referred to as "coil tubing" in the English language
  • the wound casing may comprise the same hooking means as the laying probe (described below), in particular retaining lugs capable of integrating into the hollow of the cylinder of the main body of the probe.
  • the probe further comprises anchoring means 3-6, movable, arranged laterally on either side of the main body 1 and which extend along the axis X.
  • FIGS. 1 and 2 represent the probe in a particular configuration.
  • the probe is seen here with anchoring means 20 and 21 deployed, which makes possible an anchoring of the probe, for example at a casing.
  • anchoring means 20 and 21 may also have a different configuration.
  • the probe therefore has two anchoring means 20, 21 disposed on either side of the X axis. .
  • Each anchoring means preferably has a pair of elastic blades substantially arcuate towards the main body 1.
  • a first pair 3, 5 is opposite the U channel while a second pair 4, 6 is arranged on the other side of this U, that is to say facing the rear face of the U U-channel
  • one end is pivotally mounted on a sliding member at the top of the probe in alignment with the central body, while the other end is pivotally mounted on the central body 1 at the bottom. of the probe, and in such a way that the pairs are also substantially aligned along the longitudinal axis X.
  • the two elastic blades 4, 6 are connected at their respective distal end to a half-tube 8 extending in parallel with the longitudinal axis X of the body 1 and turned towards the latter and having a certain rigidity so as to constitute for the probe a robust lateral support against a wall, such as that of a casing.
  • the distal ends of the two resilient blades 3, 5, for their part, are connected to a housing 9 inside which there is equipment capable of performing seismic analyzes, in particular recording acoustic events.
  • this sliding element also comprises a through orifice along the axis X so as to ensure continuity of passage between the top and the bottom of the probe with the orifice 2.
  • the housing 9 extends along the X axis between the two resilient blades 3 and 5 and the equipment it supports is spatially distributed along this axis.
  • the equipment comprises in particular a set of sensors, recording means such as data memories for example, and measuring means.
  • seismic sensors such as geophones 10 (preferably three), a pressure sensor 11 and a temperature sensor, an electronic card 12 including a processing module comprising a computing unit, such as for example a DSP ( an acronym for "Digital Signal Processing” in English or a processor, able to implement algorithms to provide results including measured data, batteries 12 'able to supply all equipment, and a hydrophone 13 (see Figures 3 and 4 in this regard).
  • a processing module comprising a computing unit, such as for example a DSP (an acronym for "Digital Signal Processing" in English or a processor, able to implement algorithms to provide results including measured data, batteries 12 'able to supply all equipment, and a hydrophone 13 (see Figures 3 and 4 in this regard).
  • DSP Digital Signal Processing
  • It also contains a communication means (not shown) which allows the probe to communicate in particular with the laying tool, which possibly redirect the communication by means of an appropriate cable to the control unit located on the surface.
  • the communication means may also be able to communicate using coiled tubing equipped for this purpose with a communication means such as a communication cable.
  • the invention contemplates in particular the use of a communication system whose connection is established by means of a connector or a wireless communication system (low frequency radio signal or even radio, inductive effect, etc.).
  • Figure 5 is a representation of the probe when in a configuration that allows it to be moved, so not anchored.
  • the anchoring means 20, 21 are folded as far as possible towards the central body 1 so that the probe occupies a smaller space on its sides.
  • the probe is then arranged in such a way that it advantageously has a diameter substantially equal to the outside diameter of the central body 1.
  • Such a channel makes it possible in fact that a part of the passage opening 2, and thus of the free space thus defined, serves in particular to accommodate the housing supported by the elastic blades 3, 5.
  • the laying tool comprises a tube 29 in which is installed, along the longitudinal axis X, a motor 30, preferably a DC motor, equipped with a gear ratio which, by by means of a ball screw 31 moving guide a guide head 32 along the axis X.
  • a motor 30 preferably a DC motor, equipped with a gear ratio which, by by means of a ball screw 31 moving guide a guide head 32 along the axis X.
  • the guiding head 32 of substantially cylindrical shape has on one contour an inclined recess so that the head has a connecting slope 35 along the axis X.
  • This recess is adapted to form a fulcrum at an upper edge of the sliding element of the probe.
  • the tube 29 is provided, through a thickness of its lower end, pins 33, 34 pivotally mounted along an axis orthogonal to the axis X.
  • These lugs 33, 34 are arranged so as to cooperate with the guide head 32.
  • the laying tool also has a means which makes it possible, especially when it has descended into a well to recover the probe, to effectively detect a moment of docking with the latter.
  • this means may be a Hall cell cooperating with a magnet installed in an upper part of the central body of the probe.
  • the laying tool also has a communication means able to communicate with the probe.
  • this communication means is adapted to that of the probe, in particular to ensure that a communication can be established at least when the laying tool is hooked to the probe (for example during a descent of the probe at the bottom of the well or when rising to the surface or during a calibration phase).
  • the communication means may be a connector capable of cooperating with that of the probe, or a wireless transmitter / receiver.
  • the probe is at the head of the well and that it must be lowered to the bottom of it.
  • the probe is first attached to the installation tool and is located vertically below it.
  • the laying tool is suspended vertically from the surface by a cable comprising at least one electrical conductor, such as a single-conductor cable or a coaxial cable.
  • this cable makes it possible to communicate with the control unit on the surface, the laying tool thus serving as a relay between the latter and the probe itself.
  • the anchoring means of the probe are folded towards the central body so that it can be lowered without difficulty along the well.
  • the guide head of the laying tool is in a position where the lugs 34, 33 protrude outwards and come to take place in said cylindrical hollow arranged in the thickness of the main body.
  • the body of the probe is thus held vertically by these lugs.
  • the guide head 32 abuts on said sliding element so that when, via the motor and the ball screw, the guide head slides downwards in the tube, it pushes said element sliding downwards while the central body is held in fixed position by the lugs.
  • the blades are taut and adopt a more rectilinear shape while approaching the central body 1.
  • the probe is thus lowered to the bottom of the well in this shape configuration.
  • a conventional well 50 generally comprises in longitudinal section a first casing 40 on a first distance less than the depth of the well, a second casing 41 over the entire depth, and a casing 42 covering largely the second casing 41 (see Figure 7).
  • the probe is installed entirely under the lower part of the casing 42 so that the side walls of the second casing 41 are accessible and that the probe can be anchored (see Figure 7).
  • the shape of the upper end of the central body of the probe may be arranged, alternatively such that it can leave this end just in the lower outlet 45 of the casing.
  • the probe can also be installed essentially under the lower part of the casing 42 but a part, in part particular the upper end of the central body, remains at the outlet of the casing between the walls thereof.
  • the installed probe remains aligned with the well, it facilitates its subsequent recovery with the laying tool.
  • the probe is anchored by moving the guide head of the laying probe upward, ie toward the surface.
  • the lugs protruding from the tube reintegrate the thickness of the tube by pivoting and thus leave the location provided in the hollow of the central body.
  • the anchoring means gradually resume an arcuate rest position and then exert a significant force against the wall of the second casing, which anchors the probe.
  • the invention provides that the algorithms can be modified at least as long as communication is made possible with the surface, in particular through the laying probe.
  • this download can be implemented using the communication means between the probe and the laying tool (the laying probe in this example).
  • the laying probe can be disconnected from the probe and raised to the surface.
  • seismic analyzes can serve as an aid to the control of a hydraulic fracturing process, known per se.
  • the probe of the invention offers the advantage of not hampering this cleaning operation thanks to its passage opening 2.
  • the wound casing can be inserted freely and on the other hand the excess charge can flow freely in the orifice 2.
  • the probe may advantageously constitute an important aid in controlling such an operation.
  • measurements using the pressure sensor (s) make it possible to determine whether it is appropriate to trigger the recordings.
  • these recordings can be triggered by detecting a simple variation of the downhole pressure at the time of a fluid injection cycle.
  • these algorithms being modifiable, they can be adapted as long as the probe is connected to the laying tool, or at least from the beginning of the descent into the well until the complete installation of the probe.
  • the probe transmits confirmation signals to the control center where the operator is located that the adaptations have been implemented successfully.
  • the laying probe according to the invention is preferably used.
  • the guide head and the means of detecting the moment of docking facilitate this operation.
  • the motor 30 is actuated in particular to move the guide head in the central body 1 so that the anchoring means reintegrate the latter and the laying probe can then pull the probe up the well.
  • the invention does not exclude the use of a standard retrieval tool.
  • the anchoring means will remain deployed and in contact with a wall of the well, so that to raise the probe in the casing, it will be necessary to exert on the standard retrieving tool a traction force greater than that which would be necessary with the laying probe according to the invention.
EP06101228A 2005-02-04 2006-02-02 Autonome Mess-und Behandlungssonde für Bohrloch-Vorerkundung Expired - Fee Related EP1688584B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0501131A FR2881789B1 (fr) 2005-02-04 2005-02-04 Sonde de mesure et de traitement autonome pour pre-etude d'un puits

Publications (2)

Publication Number Publication Date
EP1688584A1 true EP1688584A1 (de) 2006-08-09
EP1688584B1 EP1688584B1 (de) 2011-08-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06101228A Expired - Fee Related EP1688584B1 (de) 2005-02-04 2006-02-02 Autonome Mess-und Behandlungssonde für Bohrloch-Vorerkundung

Country Status (5)

Country Link
US (1) US8002031B2 (de)
EP (1) EP1688584B1 (de)
JP (1) JP4918671B2 (de)
FR (1) FR2881789B1 (de)
NO (1) NO337506B1 (de)

Cited By (1)

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CN108798640A (zh) * 2017-05-05 2018-11-13 中国石油化工股份有限公司 螺杆泵采油井转速测量方法及系统

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GB2456984B (en) 2006-11-06 2011-06-08 Magnitude Spas Memory seismic device and method
FR2914419B1 (fr) * 2007-03-30 2009-10-23 Datc Europ Sa Dispositif de protection d'une sonde geotechnique ou geophysique
US8800880B2 (en) * 2010-04-27 2014-08-12 National Oilwell Varco, L.P. Downhole tag assembly
WO2013053130A1 (en) * 2011-10-14 2013-04-18 Tongji University Pelvic floor multi-point pressure measuring and electrical stimulation therapeutic apparatus
CN103696491B (zh) * 2014-01-02 2016-02-17 黄军海 一种建筑物的安装结构以及应用该安装结构的房屋
US11293736B2 (en) 2015-03-18 2022-04-05 DynaEnergetics Europe GmbH Electrical connector
US9784549B2 (en) 2015-03-18 2017-10-10 Dynaenergetics Gmbh & Co. Kg Bulkhead assembly having a pivotable electric contact component and integrated ground apparatus
FR3037990B1 (fr) * 2015-06-24 2017-06-23 Gerard Arsonnet Procede et dispositif pour mesurer un parametre d'une partie d'un sol friable
US11434713B2 (en) 2018-05-31 2022-09-06 DynaEnergetics Europe GmbH Wellhead launcher system and method
US11905823B2 (en) 2018-05-31 2024-02-20 DynaEnergetics Europe GmbH Systems and methods for marker inclusion in a wellbore
US11661824B2 (en) 2018-05-31 2023-05-30 DynaEnergetics Europe GmbH Autonomous perforating drone
US10794159B2 (en) 2018-05-31 2020-10-06 DynaEnergetics Europe GmbH Bottom-fire perforating drone
US11408279B2 (en) 2018-08-21 2022-08-09 DynaEnergetics Europe GmbH System and method for navigating a wellbore and determining location in a wellbore
US11591885B2 (en) 2018-05-31 2023-02-28 DynaEnergetics Europe GmbH Selective untethered drone string for downhole oil and gas wellbore operations
US11808098B2 (en) 2018-08-20 2023-11-07 DynaEnergetics Europe GmbH System and method to deploy and control autonomous devices
AU2018445403B2 (en) * 2018-10-15 2021-12-02 Ozzie's Enterprises LLC Borehole mapping tool and methods of mapping boreholes
CN109973083B (zh) * 2019-04-18 2022-11-25 东营市宇彤机电设备有限责任公司 一种电缆式电磁波测井仪器发射探头
EP3999712A1 (de) 2019-07-19 2022-05-25 DynaEnergetics Europe GmbH Ballistisch betätigtes bohrlochwerkzeug

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EP0303536A1 (de) * 1987-08-13 1989-02-15 Societe De Prospection Electrique Schlumberger Verfahren zur Kopplung einer seismischen Detektoranordnung an der Wand eines Bohrlochs und Gerät zu seiner Anwendung
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Publication number Priority date Publication date Assignee Title
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CN108798640B (zh) * 2017-05-05 2021-07-20 中国石油化工股份有限公司 螺杆泵采油井转速测量方法及系统

Also Published As

Publication number Publication date
US8002031B2 (en) 2011-08-23
FR2881789B1 (fr) 2008-06-06
EP1688584B1 (de) 2011-08-24
JP4918671B2 (ja) 2012-04-18
NO20060575L (no) 2006-08-07
JP2006214266A (ja) 2006-08-17
US20060180303A1 (en) 2006-08-17
FR2881789A1 (fr) 2006-08-11
NO337506B1 (no) 2016-04-25

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