WO2013112674A2 - Systèmes, procédés et dispositifs pour surveiller des conditions de puits de forage - Google Patents

Systèmes, procédés et dispositifs pour surveiller des conditions de puits de forage Download PDF

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Publication number
WO2013112674A2
WO2013112674A2 PCT/US2013/022875 US2013022875W WO2013112674A2 WO 2013112674 A2 WO2013112674 A2 WO 2013112674A2 US 2013022875 W US2013022875 W US 2013022875W WO 2013112674 A2 WO2013112674 A2 WO 2013112674A2
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WO
WIPO (PCT)
Prior art keywords
flow device
wellbore
communications
flow
target device
Prior art date
Application number
PCT/US2013/022875
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English (en)
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WO2013112674A3 (fr
Inventor
Mark Francis BARRILLEAUX
Gary Hurst
Original Assignee
Bp Corporation North America Inc.
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 Bp Corporation North America Inc. filed Critical Bp Corporation North America Inc.
Priority to AU2013212140A priority Critical patent/AU2013212140A1/en
Priority to EP13705854.1A priority patent/EP2807336A2/fr
Priority to BR112014018074A priority patent/BR112014018074A2/pt
Publication of WO2013112674A2 publication Critical patent/WO2013112674A2/fr
Publication of WO2013112674A3 publication Critical patent/WO2013112674A3/fr

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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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/138—Devices entrained in the flow of well-bore fluid for transmitting data, control or actuation signals
    • 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
    • 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
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons

Definitions

  • aspects of the disclosure are related to the exploration and production of natural resources, an d in particular, to technology for monitoring the condition of wellbore environments.
  • well conditions are reported to the surface by way of communication cabling installed along the drill string. Conditions are monitored using a variety of equipment located in the wellbore, such as near field communications components that detect the presence or absence of downhole tools. For instance, a near-field tag may be applied to a piece of equipment that, as the equipment is positioned in the well, interacts with near-field sensors to report the position of the equipment.
  • a near-field tag may be applied to a piece of equipment that, as the equipment is positioned in the well, interacts with near-field sensors to report the position of the equipment.
  • Implementations are directed to systems, devices, methods, and software that enhance the monitoring of wellbore environments and their operation.
  • a method can include releasing a flow device into a wellbore to travel towards a target device that is positioned in the wellbore and that is actuated by the flow device, monitoring for communications transmitted by the flow device, and identifying a condition of the wellbore from the communications.
  • a flow device for deployment in a wellbore environment can include a spherical shell encasing components, such as a sensor, a processing system, and an interface system.
  • the sensor can detect at least one
  • the processing system generates
  • a system for monitoring a wellbore environment can include a device release assembly configured to release a flow device into a welibore to travel towards a target device positioned in the welibore and actuated by the flow device.
  • the system can also include a wellbore communication system configured to monitor for communications transmitted by the flow device and identifying a condition of the wellbore from the communications.
  • the condition can comprise a level of obstruction of the wellbore derived from a location of the flow device indicated by the communications.
  • the flow device senses characteristics of the welibore and generates the communications based on the characteristics. Transmitting the communications can comprise transmitting the communications while traveling towards the target device. In implementations, subsequent communications can be transmitted by the flow device indicative of the flow device having arrived at the target device.
  • the flow device can comprise a drop ball
  • the target device comprises a valve, including a landing and a valve seat
  • the target device can comprise a down hole tool and seating the drop ball against the landing allows an application of hydraulic pressure to the down hole tool
  • Figure 1 is a diagram that illustrates an example of welibore environment, according to various implementations
  • FIG. 2 is a flow diagram that illustrates examples of processes related to welibore operations, according to various implementations
  • Figure 3 A is a diagram that illustrates another example of a welibore environment, according to various implementations.
  • Figure 3B is a diagram that illustrates an example of a welibore communication system, according to various implementations.
  • Figure 4 is a diagram that illustrates another example of a welibore environment, according to various implementations.
  • Figure 5 is a diagram that illustrates another example of a welibore environment, according to various implementations.
  • flow devices can provide a dual purpose: both to actuate a downliole tool, but also to provide useful communications from which the condition of the wellbore can be determined.
  • the flow devices and processes associated with the flow devices can provide a. cost effective way in which the operation and monitoring of wellbore environments can be improved.
  • a drop ball with integrated communication capability can released into a wellbore and flow towards a. target device positioned in the well, such as a valve or a tool.
  • the valve or tool can include a seat against which the drop bail can be positioned to actuate the valve or tool.
  • an operator must wait an extended period of time before apply ing pressure to actuate the device to ensure that the drop ball has arrived at the target device so as to avoid shearing the seat due to the momentum of the pumping fluid.
  • the operator can monitor the location of the drop bail and commence pumping upon its arrival at the target device with less delay than what was previously incurred.
  • Figure 1 illustrates an example of a wellbore environment 100, according to various implementations. While Figure 1 illustrates various components contained in the wellbore environment 100, Figure 1 illustrates one example of a wellbore environment and additional components can be added and existing components can be removed.
  • the wellbore environment 100 can include a drill pipe 10! extending through a wellbore 103 formed by rock and other surrounding geology 105.
  • a drill pipe the drill pipe 101
  • the drill pipe 101 is shown for purposes of simplicity and clarity even though additional piping is possible and indeed likely.
  • the drill pipe 101 can be replaced with other kinds of drill string equipment or tubing during drilling, completion, or production periods, or can be referred to by other names.
  • other layers and components can exist between the drill pipe 101 and the wellbore 103, such as cement and other elements that can make up the drill string, but are not shown for purposes of clarity.
  • implementations described herein are applicable to any kind of tubing that may be deployed in a wellbore environment during any stage of the life of a well.
  • a target device 107 can be placed within the drill pipe 101.
  • the target device 107 can include a landing 109 or other such instrument that, when engaged by a flow device 1 1 1 , actuates the target device 107.
  • Examples of the target device 107 can include valves and downhole tools, such as stabilizer, shock, and sledgehammer tools.
  • the flow device 1 1 1 can be released into the drill pipe 101 and the wellbore 103 by a device release assembly (D.R.A.) 102.
  • the flo device 11 1 can be a drop ball.
  • other types of flow devices are possible, such as a dart, cone, sphere, cylinder, or other shaped devices.
  • the wellbore environment 100 can also include a wellbore communication system 1 13.
  • the wellbore communication system 113 can be capable of monitoring for communications transmitted by the flow device 1 11 as the flow device 1 1 1 moves towards the target device 107. These communications can provide indications of the progress made by the flow device 1 1 1 towards the target device 107 from which the location of the flow device 1 11 can be derived. Additionally, the communications from the flow device 1 1 1 can indicate in-depth information about the condition of the wellbore 103. For instance, the communications can contain data related to the temperature of fluid in the drill pipe 101, the viscosity of the fluid, or the movement of flow device 11 1, itself (such as acceleration). Any number of characteristics of the wellbore 103 can be monitored by the flow device 11 1 and communicated to the wellbore communication system 1 13.
  • the flow device 1 1 1 can communicate wit the wellbore communication system 1 13 in a number of ways in order to transfer the characteristics of the wellbore 103 for processing and monitoring.
  • the flow device 11 1 can communicate with the well communication system 113 by way of a communication network deployed along the drill string, for example, the drill pipe 101 and other components.
  • the flow device 11 1 can contain equipment sufficient enough to allow for direct communication between the flow device 1 11 and the wellbore communication system 1 13. It should be understood thai many communication methods and modes are contemplated herein, as will be discussed in more detail below with respect to Figure 3 A, Figure 4, and Figure 5.
  • Figure 2 illustrates an example of a process 200 of operation of the wellbore environment 100, according to various implementations.
  • the illustrated stages of the process are examples and that any of the illustrated stages can be removed, additional stages can be added, and the order of the illustrated stages can be changed. Additionally , the following discussion references both the steps outlined by the process 200, but also the time sequence noted in Figure 1. It should be understood that the process 200 can be implemented by a variety of equipment deployed in the wellbore environment 100 and operated in a distributed manner. Likewise, the process 200 can be implemented in a single, stand-alone piece of equipment capable of performing the stages of the process 200.
  • the D.R.A. 102 can release the flow device 1 11 into the wellbore 103 at time T] .
  • the flow device I I I proceeds to drop towards the target device 107 and transmits communications along the way. Communicating can occur continuously or periodically, or can occur at discrete intervals triggered by the proximity of the flow device 1 1 1 to another communication element.
  • the flow device 1 1 1 can hold off with any communicating until it arrives at the target device 107. At that time, the flow device 1 1 1 can communicate its arrival, but withhold any other information or communications for later retrieval and processing at the surface.
  • the wellbore communication system 1 1.3 can monitor for the communications as the flow device 11 1 drops towards the target device 107.
  • the flow device 1 11 can transmit the communications in a variety of forms, including wireless (e.g., radio frequency (RF) signals), sound, pressure waves, electromagnetic signaling, or the like.
  • RF radio frequency
  • the communications can be generated and transmitted in an active manner, but can also be considered passive communications, such as the case with some near-field communication technologies.
  • the wellbore communication system 1 13 can identify a condition of the wellbore 103 from the communications. For instance, the wellbore communication system 1 13 can interpret the speed with which the flow device 1 1 1 reached the target device 107 as indicative of the level of obstruction of the drill pipe 101, or the viscosity of any fluid contained within the drill pipe 101.
  • the flow device 11 1 can eventually reach the target device 107 and actuates it by way of the landing 109.
  • the arri val of the flow device 1 1 1 can cause actuation of the target dev ice 107.
  • actuating the target device 107 can require steps other than the arrival of flow device i l l .
  • pumping can be required to seat the flow device 111 tightly against the landing 109. In some cases, this can actuate the target device 107 for its intended purpose, but in many cases the seating of the flow device 1 1 1 at landing 109 can trigger other elements, such as hydraulic pumps, that physically actuate the valves or tools represented by the target device 107.
  • Figures 3 A and 3B illustrate another example of a wellbore environment 300, according to various implementations. While Figures 3A and 3B illustrate various components contained in the wellbore environment 300, Figures 3A and 3B illustrate one example of a wellbore environment and additional components can be added and existing components can be removed.
  • the wellbore environment 300 can include a drill pipe 301 positioned within a wellbore 303.
  • the wellbore 303 can be formed by geology 305 through which the wellbore 303 is drilled.
  • the drill pipe 301 can include more than the single pipe depicted in Figure 3A.
  • the implementations described herein can be applied to tubing other than just drill pipe, such as any piping used in drilling, completion, or production stages.
  • a target device 307 can be positioned within the drill pipe 301.
  • the target device 307 can include a landing 309 against which the flow device 31 1 can be seated in order to actuate the target device 307.
  • the flow device 31 1 can transmit communications to a welibore communication system (W.C.S.) 313 by way of nodes Mi, N 2 , and 3 as it flows towards the target device 307.
  • W.C.S. welibore communication system
  • Figure 3A also illustrates one example of a sequence of events for the operation of the welibore environment 300.
  • the flow device 311 has entered the drill pipe 301 and passed node i as it flows towards target device 307.
  • the flow- device 3 1 1 can transmit communications that are detected by node i as the flow device 31 1 passes by node Ns .
  • Node i can then relay those or other communications derived from them to the W.C.S. 313 by way of a communication network.
  • the flow device 31 1 has reached node 2. As with node Ni, node 2 can detect communications transmitted by the flow device 31 1 and can relay those or other communications derived from them to the W.C.S. 313. Finally, flow device 31 1 nears node N 3 . Node N can detect and relay the communications, transmitted by flow device 31 1 as it flows towards target device 307, to the W.C.S. 313. The W.C.S. 313 can process the communications to determine the condition of the welibore 303.
  • the communications can contain information related to the temperature, pressure, viscosity, or obstruction levels of fluid contained within the drill pipe 301 , These characteristics can be detected or sensed by the flow device 311 as it progresses through the drill pipe 301 towards the target device 307. It should be understood that any number of characteristics could be detected and reported to the W.C.S, 313. It should also be understood that the information pertaining to the characteristics can be encoded in the communications such that the W.C.S. 313 can decode the communications to obtain the information. Any number of encoding protocols suitable for wireless communications within a welibore can be utilized when generating the communications.
  • Figure 3A further illustrates component elements of the flow device 311 , the W.C.S. 313, and a communication node 341.
  • the communication node 341 can be representative of nodes
  • the flow device 31 1, the W.C.S. 313, and the communication node 341 can contain some similar components, including processing systems (323, 333, and 343 ), memories (325, 335, and 345), and communication interfaces (327, 337, and 347).
  • the W.C.S. 313 can include a user interface 339.
  • the flow device 31 1 can include one or more of a sensor 329.
  • the various processing systems 323, 3.3.3, and 343 can be operative! ⁇ ' linked to the memories 325, 335, and 345 respectively, as well as the
  • the processing systems 32.3, 333, and 343 can be capable of executing software stored in the corresponding memories 325, 335, and 345.
  • the processing systems 323, .333, and 343 can drive associated ones of the flow device 31 1, the W.C.S. 313, and the communication node 341 to operate as described herein for each element.
  • the processing systems 323, 333, and 343 can each be implemented within a single processing device but can also be distributed across multiple processing devices or sub-systems that cooperate in executing program instructions. Examples of the processing systems 323, 333, and 343 can include general purpose central processing units,
  • microprocessors application specific processors, and logic devices, as well as any other type of processing device,
  • the communication interfaces 327, 337, and 347 can each include communication connections and devices that allow for communication between devices.
  • the flow device 311 can communicate with the nodes ⁇ . , N 2 , and/or N 3 , while nodes i, N 2 , and/or 3 can communicate with the W.C.S. 313.
  • the nodes i, N 2 , and/or N3 can communicate with each other.
  • the flow device 31 1 can communicate directly with the W.C.S. 313. Examples of connections and devices thai together allow for inter-device communication can include network interface cards, antennas, power amplifiers, RF circuitry, transceivers, and other communication circuitry.
  • the memories 325, 335, and 345 can comprise any storage media readable by processing systems 323, 333, and 343 respectively, and capable of storing software.
  • the memories 325, 335, and 345 can include volatile and nonvolatile, removable and nonremovable media implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules, or other data.
  • the memories 325, 335, and 345 can each be implemented as a single storage device but can also be implemented across multiple storage devices or sub-systems.
  • the memories 325, 335, and 345 can each include additional elements, such as a controller, capable of communicating with the processing systems 323, 333, and 343.
  • Examples of storage media can include random access memory, read only memory, and flash memory, as well as any combination or variation thereof, or any other type of storage media.
  • the storage media can be a non-transitory storage media.
  • at least a portion of the storage media can be transitory. It should be understood that in no case is the storage media a propagated signal.
  • Software stored on or in the memories 325, 335, and 345 can include computer program instructions, firmware, or some other form of machine-readable processing instructions having processes that when executed by the processing systems 325, 335, and 345 direct associated ones of the flow device 31 1, the wireless communication system 313, and the communication node 341 to operated as described herein.
  • software can drive the flow device 311 to detect or measure characteristics of the flow device 311 , or characteristics of elements external to the flow device 31 1, and then generate and transmit communications indicative of those characteristics to the W.C.S. 313 by way of the nodes ,, N 2 , and/or N3.
  • the software can drive the communication node 341 to
  • the software can also drive the W.C.S. 313 to monitor for and receive those communications, and to process the communications to identify a condition of the wellbore 303.
  • the software can be implemented as a single application or as multiple applications or modules.
  • the software can, when loaded into the processing systems 325, 335, and 345 and executed, transform the processing systems 325, 335, and 345, and the flo device 31 1, the communication node 341, and the W.C.S. 313 from general- purpose devices into special-purpose devices customized to monitor the wellbore
  • the flow device 31 1 can include one or more of the sensor 329,
  • the sensor 329 can detect characteristics of the wellbore environment 300 as the flow device 31 1 moves through fluids and other materials towards the target device 307.
  • the sensor 329 can interact with those fluids and materials to measure characteristics of them.
  • the sensor 329 can be contained within the flow device 311 and can measure characteristics of the flow device 311 itself, such as the acceleration and change in acceleration of the flow device 311 as it moves through the fluid.
  • the sensor 329 can be operatively coupled with the processing system 323, either directly or through the memory 325. It should be understood that, while only one sensor 329 is shown for purposes of clarity, multiple sensors can be integrated within the flow device 311 and deployed to monitor multiple characteristics.
  • the flow device 31 1 is a. drop ball or other similar device
  • the flow device 311 can be enclosed with a casing suitable for wellbore operations.
  • the casing or shell can be sufficiently strong to withstand the temperatures, pressures, and other challenges of a wellbore environment, yet still allow for the transmission of wireless communications. While some metal or steel materials may suffice, other composite, plastic, or ceramic materials can also prove well suited to a wellbore environment.
  • the W.C.S. 313 can include one or more of a user interface 339.
  • the user interface 339 can have input devices such as a keyboard, a mouse, a voice input device, or a touch input device, and comparable input devices.
  • Output devices such as a display, speakers, printer, and other types of output devices can also be included with the user interface 339.
  • the operation of the user interface 339 will be discussed in more detail with respect to Figure 3B.
  • the user interface .339 can also be considered to be an integration between the user devices mentioned herein with software elements, such as operating system and application software. For instance, a user can navigate an application view using a user device, such as a mouse.
  • the interface functionality provided by the integration of user interface software with user interface devices can be understood to be part of the user interface 339.
  • Figure 3B illustrates two views 351 and 361 that can be displayed to a user by way of the user interface 339.
  • the views 351 and 361 can be displayed on a display of the user interface 339.
  • the views 351 and 361 illustrate various ways in which the condition of the wellbore environment 300 can be presented.
  • the view 351 can include two graphical representations 353 and 355 of the performance of the wellbore environment 300.
  • the view 361 can include graphical representation 363 corresponding to the wellbore environment 300.
  • the graphical representation 353, 355, and 363 can be made possible by the interaction of the W.C.S. 313 with the flow device 31 1.
  • the communications transmitted by the flow device 311 can be processed by the W.C.S. 313 to generate the graphical representations 353, 355, and 363.
  • graphical representation 353 the location of a flo device, such as the flow device 31 1, can be demonstrated in a graphical manner.
  • the wellbore 303 can be depicted as having several sections, including an upper section 302 and a middle section 304, as well as distance markings d2, d3, d4, and d5.
  • the flow device 311 can be depicted as located in the upper section 302 of the wellbore 303.
  • representation 353 can provide the operator with a visualization of the wellbore en vironment 300, allowing the operator to see a graphical representation of the flow device 311 and its progress as it travels towards the target device 307.
  • This visualization can be useful in that it can allow the operator to plan for and commence pumping close in time to the arrival of the flow device 31 1 at the target device 307 and/or the bottom of the wellbore 303.
  • this visualization can alert the operator to any obstructions that may inhibit the flow device 31 1 from reaching the target device 307.
  • the expected distance traveled by the flow device 31 1 can be depicted by a plot 391 on a graph.
  • the actual distance traveled by the flow device 31 1 can be depicted by a plot 393 on the graph.
  • Differences in the actual travel time compared against the expected travel time can alert the operator to problems in the wellbore 303.
  • the view 361 can include a graphical representation 363 pertaining to the content or composition of fluid and material in various sections of the wellbore 303.
  • the upper section 302 can be shown with cross hatching at an angle relative to the diagonal cross hatching of the middle section 304, while a. lower section 306 can shown with a dotted fill
  • These graphical distinctions can be intended to demonstrate that the composition or state of each section is different relative to composition or state of the other sections.
  • temperature, pressure, or viscosity differentials between the different sections can be represented by the varying graphical distinctions. These differential states can pro vide the operator with an indication about the performance of the wellbore environment 300.
  • the graphical representation 363 depicts a multidirectional well that extends horizontally in some places.
  • the graphical representation 363 can be useful with high angle or horizontal wells in that any geological shoulders or other obstructions created by the layout or path of a well can hinder the progress of a the flow device 311.
  • the operator By displaying the route of the well along with the position of the flow device 31 1 , the operator will be better able to ascertain whether or not such shoulders may be impeding the flow of the flow device 311 .
  • Figure 4 illustrates another example of a wellbore environment 400 and its operation, according to various implementations. While Figure 4 illustrates various components contained in the wellbore environment 400, Figure 4 illustrates one example of a wellbore environment and additional components can be added and existing components can be removed.
  • the wellbore environment 400 can include a drill pipe 401 surrounded by a wellbore 403.
  • the wellbore 403 can be formed by surrounding geology 405 during the drilling process.
  • a target device 407 can be situated in the drill pipe 401.
  • the target device 407 can include a landing 409. Contact between the landing 409 and a flow device 411 can initiate an actuation of the target device 401. Additionally, due to a.
  • conical shape of the landing 409, contact can also cause the flow device 411 to brea,k apart into component parts that drift towards the surface of the wellbore 403 and ultimately transmit communications to a wireless communication system (W.C.S.) 413,
  • W.C.S. wireless communication system
  • shapes other than a conical shape can be utilized to brea,k apart the flow device 411 , such as a spiked or spired landing.
  • the W.C.S. 413 can derive a condition of the wellbore 403 from the communications from the flow device 411.
  • the flow device 41 1 can be released into the wellbore 403.
  • a device release assembly can be utilized to release the flo device 411.
  • the flow device 411 can detect characteristics of the welibore environment for later reporting to the W.C.S. 413.
  • the flow device 411 can contact the landing 409 with sufficient force to break apart the flow device 41 1 into constituent components.
  • the components can float and/or can be propelled to the surface whereby they can be retrieved and interrogated for information.
  • the flow device 411 can process the information to determine a condi tion of the welibore 403.
  • Other methods or mechanisms may also be implemented that bring the flow device 411 to the surface, rather than breaking apart the flow device 41 1 into its component parts. For instance, the flow device 411 can be pumped to the surface intact.
  • Figure 5 illustrates another example of a welibore environment 500 and its operation, according to various implementations. While Figure 5 illustrates various components contained in the welibore environment 500, Figure 5 illustrates one example of a welibore environment and additional components can be added and existing components can be removed.
  • the welibore environment 500 can includes a drill pipe 501 and a welibore 503,
  • the welibore 503 can be formed by geology 505 surrounding it, created during the drilling process.
  • a target device 507 can be placed within the drill pipe 501.
  • multiple flow devices 51 1A, 51 IB, and 51 1C can be utilized to determine the conditions within the welibore 503.
  • the flow devices 511A, 51 IB, and 1 1C can be utilized to measure different conditions within the welibore 503,
  • the flow device 1 1A, 51 IB, and 51 1C can be utilized to measure the conditions of the welibore 503 at different times.
  • the flow devices 51 1 A, 51 1 B, and 511 C can flow towards the target device 507. Any of the flow devices 511A, 51 IB, and 51 1C can actuate target device 507 upon engaging with a landing 509. [0056] In operation, the flow devices 51 1 A, 51 1 B, and 511 C can be released into the drill pipe 501 within the wellbore 503 and can flow towards the target device 507, as indicated by the solid arrows with a downward direction. In this example, the flow devices 511 A, 511 B, and 511 C can be configured to relay communications to a wellbore
  • the dotted arrows with an upward direction can represent communications transmitted by the flow device 511 A and relayed by flo devices 51 IB and 51 1C the W.C.S. 513.
  • the W.C.S. 513 can process the communications to identify a condition of the wellbore 503.
  • the computer program can exist in a variety of forms both active and inactive.
  • the computer program can exist as one or more software
  • Any of the above can be embodied on a computer readable medium, which include computer readable storage devices and media, and signals, in compressed or uncompressed form.
  • computer readable storage devices and media include conventional computer system RAM (random access memory), ROM (readonly memory), EPROM (erasable, programmable ROM), EEPROM (electrically erasable, programmable ROM), and magnetic or optical disks or tapes.
  • Examples of computer readable signals are signals that a computer system hosting or running the present teachings can be configured to access, including signals downloaded through the Internet or other networks. Concrete examples of the foregoing include distribution of executable software program(s) of the computer program on a CD-ROM or via Internet download. In a sense, the Internet itself, as an abstract entity, is a computer readable medium. The same is true of computer networks in general.
  • Couple or “couples” is intended to mean either an indirect or direct connection. Thus, if a first device couples to a second device, that connection may be through a direct connection, or through an indirect connection via other devices, components, and connections.
  • axial and axially generally mean along or parallel to a central axis (e.g., central axis of a body or a port), while the terms “radial” and “radially” generally mean perpendicular to the central axis.
  • an axial distance refers to a distance measured along or parallel to the central axis
  • a radial distance means a distance measured perpendicular to the central axis.

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Abstract

La présente invention se rapporte à un procédé consistant : à faire entrer un dispositif de régulation de débit à l'intérieur d'un puits de forage et à le commander de telle sorte qu'il se déplace vers un dispositif cible qui est placé dans le puits de forage et qui est piloté par le dispositif de régulation de débit; et à surveiller des communications transmises par le dispositif de régulation de débit. Le procédé selon l'invention consiste d'autre part à identifier une condition du puits de forage à partir des communications.
PCT/US2013/022875 2012-01-25 2013-01-24 Systèmes, procédés et dispositifs pour surveiller des conditions de puits de forage WO2013112674A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2013212140A AU2013212140A1 (en) 2012-01-25 2013-01-24 Systems, methods, and devices for monitoring wellbore conditions
EP13705854.1A EP2807336A2 (fr) 2012-01-25 2013-01-24 Systèmes, procédés et dispositifs pour surveiller des conditions de puits de forage
BR112014018074A BR112014018074A2 (pt) 2012-01-25 2013-01-24 sistemas, métodos e dispositivos para monitoração das condições do poço

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AU2013212140A1 (en) 2014-07-24
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US20130192823A1 (en) 2013-08-01
BR112014018074A2 (pt) 2019-09-24

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