US20170370173A1 - Robotic manipulators for subsea, topside, and onshore operations - Google Patents
Robotic manipulators for subsea, topside, and onshore operations Download PDFInfo
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- US20170370173A1 US20170370173A1 US15/190,172 US201615190172A US2017370173A1 US 20170370173 A1 US20170370173 A1 US 20170370173A1 US 201615190172 A US201615190172 A US 201615190172A US 2017370173 A1 US2017370173 A1 US 2017370173A1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/20—Combined feeding from rack and connecting, e.g. automatically
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
- E21B33/076—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells specially adapted for underwater installations
-
- 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
- E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads
Definitions
- Offshore systems can include topside devices positioned above the surface of the water, such as on a vessel or platform, and subsea devices positioned underwater, such as on the seabed. Whether located subsea, topside, or onshore, devices used in drilling and production systems can themselves include many components to be actuated, installed, or retrieved to facilitate drilling or production. In topside and onshore contexts, operators may manually perform such support operations. In subsea contexts, a working vessel can be positioned above a subsea installation and a remotely operated vehicle (ROV) can be launched to travel to the subsea installation to perform support operations for the subsea devices.
- ROV remotely operated vehicle
- At least some embodiments of the present disclosure generally relate to robotic manipulators for facilitating support operations for an oilfield device.
- the robotic manipulators can include robotic arms with various degrees of freedom that allow the arms to perform a wide array of support functions.
- the robotic manipulators can be used with subsea, topside, and onshore devices, such as manifolds, trees, pumps, and blowout preventers.
- a robotic manipulator includes a head adapted to receive any of multiple, interchangeable end effectors to increase the versatility of the robotic manipulator and enable a wider range of support operations.
- the multiple end effectors can be held in a tool box accessible to the robotic manipulator to enable efficient retooling of the robotic manipulator by simply switching end effectors.
- FIG. 1 generally depicts a production system having devices with robotic manipulators in accordance with one embodiment
- FIGS. 2 and 3 are perspective views of a robotic manipulator in the form of an articulated robotic arm with a gripping tool in accordance with one embodiment
- FIGS. 4 and 5 are perspective views of an articulated robotic arm like that of FIGS. 2 and 3 , but with both a gripping tool and a torque tool, in accordance with one embodiment;
- FIG. 6 is a perspective view of a subsea manifold having a robotic arm for facilitating support operations for the subsea manifold in accordance with one embodiment
- FIG. 7 is a plan view of the subsea manifold and robotic arm of FIG. 6 ;
- FIG. 8 depicts the robotic arm of FIGS. 6 and 7 in an extended position during a support operation, with a gripping tool of the arm facing the subsea manifold, in accordance with one embodiment
- FIG. 9 depicts the robotic arm of FIG. 8 with a torque tool of the arm facing the subsea manifold during a support operation in accordance with one embodiment
- FIG. 10 depicts the subsea manifold of FIGS. 6 and 7 as having a tool box holding multiple, interchangeable tools that can be installed on the robotic arm in accordance with one embodiment
- FIG. 11 is a perspective view of the tool box of FIG. 10 , shown isolated from the subsea manifold, in accordance with one embodiment
- FIG. 12 is a perspective view of the subsea manifold of FIGS. 6 and 7 as having the tool box of FIG. 11 mounted on the robotic arm in accordance with one embodiment;
- FIG. 13 generally depicts various components with which a robotic manipulator may interact to perform support operations in accordance with one embodiment
- FIG. 14 is a block diagram of a control system of a robotic manipulator in accordance with one embodiment.
- the articles “a,” “an,” “the,” and “said” are intended to mean that there are one or more of the elements.
- the terms “comprising,” “including,” and “having” are intended to be inclusive and mean that there may be additional elements other than the listed elements.
- any use of “top,” “bottom,” “above,” “below,” other directional terms, and variations of these terms is made for convenience, but does not require any particular orientation of the components.
- the depicted apparatus 10 is a production system that facilitates extraction of a resource, such as oil or natural gas, from a subterranean reservoir.
- the apparatus 10 is generally shown in FIG. 1 as a subsea production system having trees 12 (e.g., production or injection trees) coupled to wellheads 14 on a seabed.
- the wellheads 14 can include various components, such as casing heads, tubing heads, spools, and hangers, and the trees 12 can include valves for controlling fluid flow into and out of wells through the wellheads 14 .
- Reservoir fluid can be produced from the reservoir through the wellheads 14 and the trees 12 , which are connected (e.g., via jumpers) to subsea manifolds 16 installed on the seabed.
- the manifolds 16 include valves to control flow of produced hydrocarbons or other fluids from the trees 12 through the manifolds 16 .
- the produced fluid can also be routed from the manifolds 16 to processing equipment.
- produced fluid may be routed to a pump (or pumping station) 18 for adding energy to the produced fluid to facilitate delivery of the fluid through various flowlines or risers to some other location, such as a production platform, a floating production storage and offloading (FPSO) vessel, or an onshore processing facility.
- FPSO floating production storage and offloading
- Wells can be drilled into the seabed with a drilling rig, such as a drillship or semi-submersible, positioned above the seabed.
- the drilling rig will be coupled to a blowout preventer stack 22 mounted on a wellhead 14 via a riser and a lower marine riser package 24 .
- the blowout preventer stack 22 can include ram-type and annular preventers
- the lower marine riser package 24 can include various control components for operating the preventers of the blowout preventer stack 22 .
- the lower marine riser package 24 may itself include one or more preventers, such as an annular preventer.
- a rotating drill string lowered from the drilling rig through the riser, the lower marine riser package 24 , the blowout preventer stack 22 , and the wellhead 14 may be used to bore a well.
- the well can be completed, the blowout preventer stack 22 and the lower marine riser package 24 can be disconnected, and a tree 12 can be mounted on the wellhead 14 .
- the tree 12 can be connected to a manifold 16 by a jumper, as discussed above, to enable fluid communication between the well and the manifold 16 through the tree 12 .
- the apparatus 10 also includes robotic manipulators 26 coupled to various installed devices described above. More specifically, the apparatus 10 is depicted in FIG. 1 as having robotic manipulators 26 on the trees 12 , the manifolds 16 , the pumping station 18 , the blowout preventer stack 22 , and the lower marine riser package 24 . These robotic manipulators 26 can be used to carry out various support functions for the installed devices. Several examples of such support functions include actuating valves, installing or retrieving components, inspecting the installed devices, and cleaning the installed devices, though the robotic manipulators 26 may facilitate other support functions. The robotic manipulators 26 can be controlled by human operators, but in some cases the manipulators 26 are provided as autonomous, smart devices programmed to perform various tasks with minimal input from human operators.
- a robotic manipulator 26 may include a robotic arm with a design that allows the arm to walk between multiple locations. This walking may be accomplished in any suitable manner, such as by gripping a fixed portion of an installed device with one end of the arm, disconnecting a base of the arm from the device, repositioning the base of the arm to a new location along the device, and reconnecting the base to the device at the new location.
- the tooling carried by the robotic manipulators 26 may vary depending on the support functions to be performed. In some instances, and as described in greater detail below, a robotic manipulator 26 includes multiple interchangeable tools to facilitate performance of a greater number of support functions for an installed device.
- the apparatus 10 could take other forms in different embodiments, such as a topside system, an onshore system, or a system having any combination of subsea, topside, and onshore devices. It will be appreciated that the apparatus 10 can include various devices in addition to or in place of those depicted in FIG. 1 , and that some devices noted above may be omitted in certain embodiments.
- the lower marine riser package 24 can be omitted from onshore embodiments, for instance.
- the trees 12 , the wellheads 14 , the manifolds 16 , and various other devices of the apparatus 10 could be installed at a fixed location in an oil field or a gas field.
- robotic manipulators 26 are used elsewhere herein to generically refer to devices intended for use in an oil field or a gas field. While certain examples of the use of robotic manipulators 26 for performing support functions for subsea devices are described below, it will be appreciated that robotic manipulators 26 can also be used to perform support functions for topside and onshore devices.
- the robotic manipulators 26 can take any suitable form, but in at least some embodiments these robotic manipulators 26 are provided as robotic arms.
- a robotic manipulator 26 may be provided in the form of a robotic arm 30 as depicted in FIGS. 2 and 3 .
- the robotic arm 30 includes a mounting base 32 , arm sections 34 and 36 , and a head 38 .
- the arm 30 can be attached to any of numerous different structures, such as various oilfield devices, via the mounting base 32 . This allows the arm 30 to act as an onboard remotely operated manipulator for the connected structure.
- the depicted robotic arm 30 is an articulated arm with joints that provide rotational degrees of freedom and allow the arm to move and assist in numerous operations, examples of which are described below.
- a base joint 40 connects the arm section 34 to the mounting base 32
- the arm sections 34 and 36 are connected by an elbow joint 42
- the head 38 is connected to the arm section 36 by a head joint 44 .
- the joints 40 , 42 , and 44 allow the arm components connected by these joints to pivot with respect to one another.
- the base joint 40 provides two rotational degrees of freedom between the mounting base 32 and the arm section 34
- the elbow joint 42 provides one rotational degree of freedom between the arm sections 34 and 36
- the head joint 44 provides three rotational degrees of freedom between the arm section 36 and the head 38 .
- Movement of the arm 30 can be accomplished with any suitable actuators. Electric motors (e.g., step motors) may be used to control rotation of various arm components in certain embodiments, though other actuators (e.g., hydraulic or pneumatic) could also or instead be used.
- the robotic arm 30 includes at least one end effector for interacting with the device to which the robotic arm 30 is to be attached, such as an end effector for manipulating a component of a subsea manifold or of another oilfield device.
- the robotic arm 30 depicted in FIGS. 2 and 3 includes an end effector in the form of a gripping tool 48 having a pair of jaws for grasping objects. The arm 30 can be moved to position the head 38 near an object and the gripping tool 48 can be used to engage and manipulate the object in a desired manner.
- the rotational degrees of freedom of the arm 30 facilitate positioning of the head 38 and the carried tool 48 alongside the manipulated object. More specifically, in at least some embodiments the rotational degrees of freedom of the arm 30 enable the end effector (e.g., the gripping tool 48 or some other tool) to have three translational degrees of freedom with respect to the device to which the arm 30 is attached. This is in contrast to alternatives allowing fewer than three translational degrees of freedom, in which movement of the end effector is more heavily constrained (e.g., two translational degrees of freedom) and in which a device with components to be manipulated is specially configured to accommodate the limited mobility of the end effector.
- the end effector e.g., the gripping tool 48 or some other tool
- the robotic arm 30 may also or instead carry other tools.
- the robotic arm 30 may also include a torque tool 52 on its head 38 , as depicted in FIGS. 4 and 5 .
- This torque tool 52 can be used to rotate various components, such as to operate a valve actuator of an oilfield device.
- the robotic arm 30 is connected to an upper surface 54 of a subsea manifold 16 .
- the robotic arm 30 is removably coupled to the subsea manifold 16 so as to permit the robotic arm 30 to be disconnected and separately retrieved from the manifold 16 while the manifold 16 is installed on a seabed.
- the robotic arm 30 may also be operated to assist in its own installation and retrieval in some cases.
- the robotic arm 30 can be moved to facilitate various support functions, as noted elsewhere herein.
- other devices e.g., trees 12 , another manifold 16 , and the pumping station 18
- the robotic arm 30 can be used to actuate valves of the manifold 16 to control fluid flow.
- the robotic arm 30 is moved from the resting position shown in FIGS. 6 and 7 toward an extended position in which the head 38 of the arm 30 is positioned near a valve actuator 60 , as generally shown in FIGS. 8 and 9 .
- the arm 30 can be lowered or raised to move an end effector toward or away from the actuator 60 (or any other component that is to be manipulated with the robotic arm 30 ).
- the gripping tool 48 can be used to grasp and remove a debris cover 56 from the subsea manifold 16 to expose the valve actuator 60
- the torque tool 52 can be used to control a valve by applying torque to the exposed actuator 60 .
- the debris cover 56 can be returned to its place over the valve actuator 60 .
- the robotic arm 30 is depicted in FIGS. 6-9 as having both the gripping tool 48 and the torque tool 52 .
- the head 38 of the arm 30 can be rotated to generally alternate the positions of these tools with little movement of the rest of the arm 30 .
- the robotic arm 30 may carry just a single tool at any given time.
- multiple robotic arms 30 can be used to facilitate support operations, such as one robotic arm 30 with a gripping tool 48 and another robotic arm with a torque tool 52 .
- a robotic arm 30 may be used with multiple, interchangeable end effectors (e.g., gripping tool 48 , torque tool 52 , and other tools) designed to perform different functions.
- These interchangeable end effectors may include any of a multitude of different tools that can be connected to and disconnected from the robotic arm 30 on an as-needed basis.
- the interchangeable end effectors in at least some embodiments are positioned within reach of the robotic arm 30 to facilitate retooling of the arm 30 with different end effectors.
- the number and types of different, interchangeable end effectors can be selected by a user based on the support functions expected to be carried out by the robotic arm 30 .
- the interchangeable end effectors are held by a tool box in at least some embodiments.
- a tool box 70 is shown in FIG. 10 as coupled to the upper surface 54 of the manifold 16 near the robotic arm 30 .
- the depicted tool box 70 holds additional end effectors in the form of tools 72 , 74 , 76 , and 78 .
- These additional tools 72 , 74 , 76 , and 78 can include any of a variety of tools that facilitate desired support operations, such as gripping tools, torque tools, and spraying tools (e.g., water jet tools for cleaning) to name just a few examples.
- the tool box 70 includes individual slots 80 for holding the assortment of tools.
- a tool (e.g., the gripping tool 48 ) carried by the robotic arm 30 can be disconnected from the robotic arm 30 and replaced with a different tool, such as one of the tools 72 , 74 , 76 , and 78 .
- a different tool such as one of the tools 72 , 74 , 76 , and 78 .
- the robotic arm 30 carrying a first tool is moved to insert the first tool into the empty slot 80 of the tool box 70 and the robotic arm 30 is disconnected from the first tool to leave that tool in its slot 80 .
- the arm 30 is then moved away from the first tool and into engagement with a second tool in the tool box 70 to enable the second tool to be carried in place of the first tool by the arm 30 .
- the robotic arm 30 can fit itself with different tools appropriate for performing an array of desired support operations.
- the tool box 70 can be positioned at any suitable location near the robotic arm 30 . In some instances, this can include mounting the tool box 70 on a portion of the robotic arm 30 , such as generally depicted in FIG. 12 .
- FIG. 13 This versatility is generally represented in FIG. 13 , in which an oilfield system 90 is shown to include a robotic manipulator 26 capable of interacting with numerous components.
- the system 90 can include one or more oilfield devices, which may be located subsea, topside, or onshore.
- the components depicted in FIG. 13 are representative of components of such oilfield devices, and it will be appreciated that the oilfield devices can include any combination of these or other components with which the robotic manipulator 26 may interact.
- the robotic manipulator 26 can be used to facilitate installation or retrieval of many different components from a given installed device (e.g., a tree 12 , a manifold 16 , a pump 18 , or a blowout preventer stack 22 ).
- a given installed device e.g., a tree 12 , a manifold 16 , a pump 18 , or a blowout preventer stack 22 .
- the robotic manipulator 26 can be used for installing or retrieving (or otherwise manipulating) the following: various connectors 92 , which may include clamps; connector tooling 94 ; various seals 96 , such as hub seals; insulation doghouses 98 ; process compensation units 100 ; flowmeters 102 ; control modules 104 ; processing modules 106 ; sampling modules 108 ; hotstabs 110 ; lifting slings 112 (including, in one embodiment, manipulating shackles of a lifting sling); chokes 114 ; covers 116 , such as debris covers; umbilicals and flying leads 118 , such as electrical flying leads (EFLs), hydraulic flying leads (HFLs), steel flying leads (SFLs), umbilical termination heads (UTHs), optical flying leads (OFLs), and associated equipment; electrical distribution units 120 ; communication distribution units 122 ; intervention workover control systems (IWOCs) 124 ; acoustic detectors 126 ; accumulation modules 128 ; pigging loop
- the robotic manipulator can also be used to operate valves 136 (e.g., mechanical operation of all override types), running tools 138 (for connection systems, control modules, etc.), other tools 140 (e.g., replacement and cleaning tools for connection systems), gasket test panels 142 , and locking mechanisms 144 . Still further, the robotic arm 30 or some other robotic manipulator 26 can perform on-demand inspection services (e.g., verifying valve indicators and bullseye inspection), cleaning (e.g., of the installed device and associated components), and cathodic protection point monitoring.
- on-demand inspection services e.g., verifying valve indicators and bullseye inspection
- cleaning e.g., of the installed device and associated components
- cathodic protection point monitoring e.g., cathodic protection point monitoring.
- a robotic manipulator 26 (such as the robotic arm 30 ) can be used for valve intervention.
- the robotic manipulator 26 can be used to remove a debris cover, operate the valve (e.g., to open or shut the valve), and then replace the debris cover.
- the manipulated valves e.g., valves 136
- the manipulated valves can be of any size, class, and override type (e.g., rotary, linear, or paddle type).
- the robotic manipulator 26 can also be used for connection system intervention. In some instances, this may include using the robotic manipulator 26 to facilitate make up or disconnection of connectors 92 , such as by aligning a jumper and a running tool 138 , operating the running tool 138 , and installing and retrieving associated caps (e.g., covers 116 ). In other cases, the robotic manipulator 26 facilitates make up or disconnection of connectors 92 by aligning a jumper, operating a pull-in cylinder to set or break a connection, and installing or retrieving associated caps.
- the robotic manipulator 26 may be used to facilitate pigging operations.
- the robotic manipulator 26 can align and install a pigging loop 130 (e.g., on a subsea manifold) with running tools 138 , operate an isolation valve 136 , operate a gasket test panel 142 , and operate running tools 138 for retrieval of the pigging loop 130 after a pigging operation is completed.
- the robotic manipulator 26 can also be used to align and install a pig launcher and receiver 132 , operate an associated connection system, and operate the gasket test panel 142 .
- the robotic manipulator 26 can also be used to install or retrieve flowmeters 102 , chokes 114 , or various modules, such as control modules 104 , processing modules 106 , sampling modules 108 , communication distribution units 122 , and accumulation modules 128 .
- Such support operations using the manipulator 26 may include removing a dropped object cover, aligning the module (or flowmeter) with an oilfield device, moving the module into engagement with the oilfield device, replacing the dropped object cover, and connecting one or more leads 118 (e.g., EFLs or OFLs) between the installed module and other components of the oilfield device.
- the robotic manipulator 26 can also be used to remove the dropped object cover, uninstall the one or more leads 118 , remove the module from the oilfield device, and replace the dropped object cover.
- locking mechanisms 144 or other components may also be manipulated via the robotic manipulator 26 to facilitate installation or retrieval of a flowmeter, module, or other given component.
- a robotic manipulator 26 e.g., a robotic arm 30
- the robotic manipulator 26 may be operated via a processor-based control system, an example of which is provided in FIG. 14 and generally denoted by reference numeral 150 .
- the system 150 includes a processor 152 connected by a bus 154 to a memory device 156 .
- the system 150 could also include multiple processors or memory devices, and that such memory devices can include volatile memory (e.g., random-access memory) or non-volatile memory (e.g., flash memory and a read-only memory).
- the one or more memory devices 156 are encoded with application instructions 158 (e.g., software executable by the processor 152 to perform various functionality described above), as well as with data 160 (e.g., positions of, and other information about, components with which the robotic manipulator may interact).
- application instructions 158 e.g., software executable by the processor 152 to perform various functionality described above
- data 160 e.g., positions of, and other information about, components with which the robotic manipulator may interact.
- the application instructions 158 are stored in a read-only memory and the data 160 is stored in a writeable non-volatile memory (e.g., a flash memory).
- the system 150 also includes an interface 162 that enables communication between the processor 152 and various input or output devices 164 .
- the interface 162 can include any suitable device that enables such communication, such as a modem or a serial port.
- the input and output devices 164 can include any number of suitable devices.
- the devices 164 include actuators 166 (e.g., step motors) for moving the robotic manipulator in a desired manner, cameras 168 , and sensors 170 .
- the robotic arm 30 can be fitted with one or more cameras 168 to facilitate operation of the arm 30 and on-demand visual inspection of nearby devices and components (e.g., a subsea oilfield device and associated components).
- the robotic manipulator 26 can include any desired sensors 170 and, in at least some embodiments, the sensors 170 include location or proximity sensors that may be used by the control system 150 for collision avoidance (i.e., to avoid unintentional collision of the robotic manipulator with some other object).
- Power and data may also be communicated between the robotic manipulator 26 and the structure to which it is attached, such as an oilfield device.
- electrical power, data, and operating commands may be provided to the robotic manipulator 26 from the structure (e.g., through the mounting base 32 of the robotic arm 30 ).
- data may be communicated from the robotic manipulator 26 to the structure, from which it may be communicated to some other location, such as a topside or surface monitoring station.
- the actuators 166 , cameras 168 , and sensors 170 can be provided as part of the robotic manipulator 26 , though other devices 164 (e.g., human-machine interfaces) may be separate from the robotic manipulator 26 .
- robotic manipulators 26 may allow a reduction in the use of small working class vessels in the field by providing on-demand inspection capabilities, by operating valves and other mechanisms on the installed devices, by facilitating installation and retrieval of most retrievable components, and by allowing cleaning of the installed devices by the robotic manipulators 26 . Further, the robotic manipulators 26 may also enable a reduction in overall weight of the installed devices, an increase in productivity (e.g., by allowing the onboard robotic manipulator to perform certain operations on demand, rather than waiting for intervention from an ROV), and a reduction in downtime of offshore installations and intervention campaigns. Although described above in connection with oilfield devices, it will be appreciated that the robotic manipulators 26 may be used with other, non-oilfield devices in full accordance with the present technique.
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Abstract
An apparatus including a robotic manipulator coupled to an oilfield device to facilitate support operations. The robotic manipulator can include a tool for interacting with components of the oilfield device, and the robotic manipulator can provide three translational degrees of freedom of the tool with respect to the oilfield device. Additional systems, devices, and methods are also disclosed.
Description
- This section is intended to introduce the reader to various aspects of art that may be related to various aspects of the presently described embodiments. This discussion is believed to be helpful in providing the reader with background information to facilitate a better understanding of the various aspects of the present embodiments. Accordingly, it should be understood that these statements are to be read in this light, and not as admissions of prior art.
- In order to meet consumer and industrial demand for natural resources, companies often invest significant amounts of time and money in finding and extracting oil, natural gas, and other subterranean resources from the earth. Particularly, once a desired subterranean resource such as oil or natural gas is discovered, drilling and production systems are often employed to access and extract the resource. These systems may be located onshore or offshore depending on the location of a desired resource.
- Offshore systems can include topside devices positioned above the surface of the water, such as on a vessel or platform, and subsea devices positioned underwater, such as on the seabed. Whether located subsea, topside, or onshore, devices used in drilling and production systems can themselves include many components to be actuated, installed, or retrieved to facilitate drilling or production. In topside and onshore contexts, operators may manually perform such support operations. In subsea contexts, a working vessel can be positioned above a subsea installation and a remotely operated vehicle (ROV) can be launched to travel to the subsea installation to perform support operations for the subsea devices.
- Certain aspects of some embodiments disclosed herein are set forth below. It should be understood that these aspects are presented merely to provide the reader with a brief summary of certain forms the invention might take and that these aspects are not intended to limit the scope of the invention. Indeed, the invention may encompass a variety of aspects that may not be set forth below.
- At least some embodiments of the present disclosure generally relate to robotic manipulators for facilitating support operations for an oilfield device. The robotic manipulators can include robotic arms with various degrees of freedom that allow the arms to perform a wide array of support functions. The robotic manipulators can be used with subsea, topside, and onshore devices, such as manifolds, trees, pumps, and blowout preventers. In some instances, a robotic manipulator includes a head adapted to receive any of multiple, interchangeable end effectors to increase the versatility of the robotic manipulator and enable a wider range of support operations. When not installed on the robotic manipulator, the multiple end effectors can be held in a tool box accessible to the robotic manipulator to enable efficient retooling of the robotic manipulator by simply switching end effectors.
- Various refinements of the features noted above may exist in relation to various aspects of the present embodiments. Further features may also be incorporated in these various aspects. These refinements and additional features may exist individually or in any combination. For instance, various features discussed below in relation to one or more of the illustrated embodiments may be incorporated into any of the above-described aspects of the present disclosure alone or in any combination. Again, the brief summary presented above is intended only to familiarize the reader with certain aspects and contexts of some embodiments without limitation to the claimed subject matter.
- These and other features, aspects, and advantages of certain embodiments will become better understood when the following detailed description is read with reference to the accompanying drawings in which like characters represent like parts throughout the drawings, wherein:
-
FIG. 1 generally depicts a production system having devices with robotic manipulators in accordance with one embodiment; -
FIGS. 2 and 3 are perspective views of a robotic manipulator in the form of an articulated robotic arm with a gripping tool in accordance with one embodiment; -
FIGS. 4 and 5 are perspective views of an articulated robotic arm like that ofFIGS. 2 and 3 , but with both a gripping tool and a torque tool, in accordance with one embodiment; -
FIG. 6 is a perspective view of a subsea manifold having a robotic arm for facilitating support operations for the subsea manifold in accordance with one embodiment; -
FIG. 7 is a plan view of the subsea manifold and robotic arm ofFIG. 6 ; -
FIG. 8 depicts the robotic arm ofFIGS. 6 and 7 in an extended position during a support operation, with a gripping tool of the arm facing the subsea manifold, in accordance with one embodiment; -
FIG. 9 depicts the robotic arm ofFIG. 8 with a torque tool of the arm facing the subsea manifold during a support operation in accordance with one embodiment; -
FIG. 10 depicts the subsea manifold ofFIGS. 6 and 7 as having a tool box holding multiple, interchangeable tools that can be installed on the robotic arm in accordance with one embodiment; -
FIG. 11 is a perspective view of the tool box ofFIG. 10 , shown isolated from the subsea manifold, in accordance with one embodiment; -
FIG. 12 is a perspective view of the subsea manifold ofFIGS. 6 and 7 as having the tool box ofFIG. 11 mounted on the robotic arm in accordance with one embodiment; -
FIG. 13 generally depicts various components with which a robotic manipulator may interact to perform support operations in accordance with one embodiment; and -
FIG. 14 is a block diagram of a control system of a robotic manipulator in accordance with one embodiment. - Specific embodiments of the present disclosure are described below. In an effort to provide a concise description of these embodiments, all features of an actual implementation may not be described in the specification. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another. Moreover, it should be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
- When introducing elements of various embodiments, the articles “a,” “an,” “the,” and “said” are intended to mean that there are one or more of the elements. The terms “comprising,” “including,” and “having” are intended to be inclusive and mean that there may be additional elements other than the listed elements. Moreover, any use of “top,” “bottom,” “above,” “below,” other directional terms, and variations of these terms is made for convenience, but does not require any particular orientation of the components.
- Turning now to the present figures, an
apparatus 10 is illustrated inFIG. 1 in accordance with one embodiment. The depictedapparatus 10 is a production system that facilitates extraction of a resource, such as oil or natural gas, from a subterranean reservoir. Theapparatus 10 is generally shown inFIG. 1 as a subsea production system having trees 12 (e.g., production or injection trees) coupled towellheads 14 on a seabed. Thewellheads 14 can include various components, such as casing heads, tubing heads, spools, and hangers, and thetrees 12 can include valves for controlling fluid flow into and out of wells through thewellheads 14. - Reservoir fluid can be produced from the reservoir through the
wellheads 14 and thetrees 12, which are connected (e.g., via jumpers) tosubsea manifolds 16 installed on the seabed. Themanifolds 16 include valves to control flow of produced hydrocarbons or other fluids from thetrees 12 through themanifolds 16. The produced fluid can also be routed from themanifolds 16 to processing equipment. For example, produced fluid may be routed to a pump (or pumping station) 18 for adding energy to the produced fluid to facilitate delivery of the fluid through various flowlines or risers to some other location, such as a production platform, a floating production storage and offloading (FPSO) vessel, or an onshore processing facility. - Wells can be drilled into the seabed with a drilling rig, such as a drillship or semi-submersible, positioned above the seabed. In at least some instances, the drilling rig will be coupled to a
blowout preventer stack 22 mounted on awellhead 14 via a riser and a lowermarine riser package 24. As will be appreciated by those skilled in the art, theblowout preventer stack 22 can include ram-type and annular preventers, and the lowermarine riser package 24 can include various control components for operating the preventers of theblowout preventer stack 22. Additionally, the lowermarine riser package 24 may itself include one or more preventers, such as an annular preventer. - A rotating drill string lowered from the drilling rig through the riser, the lower
marine riser package 24, theblowout preventer stack 22, and thewellhead 14 may be used to bore a well. Once drilling of the well is finished, the well can be completed, theblowout preventer stack 22 and the lowermarine riser package 24 can be disconnected, and atree 12 can be mounted on thewellhead 14. Thetree 12 can be connected to amanifold 16 by a jumper, as discussed above, to enable fluid communication between the well and themanifold 16 through thetree 12. - The
apparatus 10 also includesrobotic manipulators 26 coupled to various installed devices described above. More specifically, theapparatus 10 is depicted inFIG. 1 as havingrobotic manipulators 26 on thetrees 12, themanifolds 16, thepumping station 18, theblowout preventer stack 22, and the lowermarine riser package 24. Theserobotic manipulators 26 can be used to carry out various support functions for the installed devices. Several examples of such support functions include actuating valves, installing or retrieving components, inspecting the installed devices, and cleaning the installed devices, though therobotic manipulators 26 may facilitate other support functions. Therobotic manipulators 26 can be controlled by human operators, but in some cases themanipulators 26 are provided as autonomous, smart devices programmed to perform various tasks with minimal input from human operators. - Some of the installed devices each include a single
robotic manipulator 26, though others (such as themanifolds 16 inFIG. 1 ) may include multiplerobotic manipulators 26. In certain embodiments, arobotic manipulator 26 may include a robotic arm with a design that allows the arm to walk between multiple locations. This walking may be accomplished in any suitable manner, such as by gripping a fixed portion of an installed device with one end of the arm, disconnecting a base of the arm from the device, repositioning the base of the arm to a new location along the device, and reconnecting the base to the device at the new location. The tooling carried by therobotic manipulators 26 may vary depending on the support functions to be performed. In some instances, and as described in greater detail below, arobotic manipulator 26 includes multiple interchangeable tools to facilitate performance of a greater number of support functions for an installed device. - Although shown here as a subsea system, the
apparatus 10 could take other forms in different embodiments, such as a topside system, an onshore system, or a system having any combination of subsea, topside, and onshore devices. It will be appreciated that theapparatus 10 can include various devices in addition to or in place of those depicted inFIG. 1 , and that some devices noted above may be omitted in certain embodiments. The lowermarine riser package 24 can be omitted from onshore embodiments, for instance. Further, thetrees 12, thewellheads 14, themanifolds 16, and various other devices of theapparatus 10 could be installed at a fixed location in an oil field or a gas field. For ease of reference, the term “oilfield devices” is used elsewhere herein to generically refer to devices intended for use in an oil field or a gas field. While certain examples of the use ofrobotic manipulators 26 for performing support functions for subsea devices are described below, it will be appreciated thatrobotic manipulators 26 can also be used to perform support functions for topside and onshore devices. - The
robotic manipulators 26 can take any suitable form, but in at least some embodiments theserobotic manipulators 26 are provided as robotic arms. By way of example, arobotic manipulator 26 may be provided in the form of arobotic arm 30 as depicted inFIGS. 2 and 3 . In this embodiment, therobotic arm 30 includes a mountingbase 32,arm sections head 38. Thearm 30 can be attached to any of numerous different structures, such as various oilfield devices, via the mountingbase 32. This allows thearm 30 to act as an onboard remotely operated manipulator for the connected structure. - The depicted
robotic arm 30 is an articulated arm with joints that provide rotational degrees of freedom and allow the arm to move and assist in numerous operations, examples of which are described below. As shown inFIGS. 2 and 3 , a base joint 40 connects thearm section 34 to the mountingbase 32, thearm sections head 38 is connected to thearm section 36 by a head joint 44. Thejoints base 32 and thearm section 34, the elbow joint 42 provides one rotational degree of freedom between thearm sections arm section 36 and thehead 38. It is noted, however, that other arrangements in which one or more of the joints provide a different number of rotational degrees of freedom are also envisaged. Movement of thearm 30 can be accomplished with any suitable actuators. Electric motors (e.g., step motors) may be used to control rotation of various arm components in certain embodiments, though other actuators (e.g., hydraulic or pneumatic) could also or instead be used. - The
robotic arm 30 includes at least one end effector for interacting with the device to which therobotic arm 30 is to be attached, such as an end effector for manipulating a component of a subsea manifold or of another oilfield device. For example, therobotic arm 30 depicted inFIGS. 2 and 3 includes an end effector in the form of agripping tool 48 having a pair of jaws for grasping objects. Thearm 30 can be moved to position thehead 38 near an object and the grippingtool 48 can be used to engage and manipulate the object in a desired manner. - The rotational degrees of freedom of the
arm 30 facilitate positioning of thehead 38 and the carriedtool 48 alongside the manipulated object. More specifically, in at least some embodiments the rotational degrees of freedom of thearm 30 enable the end effector (e.g., the grippingtool 48 or some other tool) to have three translational degrees of freedom with respect to the device to which thearm 30 is attached. This is in contrast to alternatives allowing fewer than three translational degrees of freedom, in which movement of the end effector is more heavily constrained (e.g., two translational degrees of freedom) and in which a device with components to be manipulated is specially configured to accommodate the limited mobility of the end effector. - Although shown in
FIGS. 2 and 3 with the grippingtool 48, therobotic arm 30 may also or instead carry other tools. For instance, therobotic arm 30 may also include atorque tool 52 on itshead 38, as depicted inFIGS. 4 and 5 . Thistorque tool 52 can be used to rotate various components, such as to operate a valve actuator of an oilfield device. - Operation of the
robotic arm 30 may be better understood with reference toFIGS. 6-9 . As depicted inFIGS. 6 and 7 , therobotic arm 30 is connected to anupper surface 54 of asubsea manifold 16. In at least one embodiment, therobotic arm 30 is removably coupled to thesubsea manifold 16 so as to permit therobotic arm 30 to be disconnected and separately retrieved from the manifold 16 while the manifold 16 is installed on a seabed. Therobotic arm 30 may also be operated to assist in its own installation and retrieval in some cases. - The
robotic arm 30 can be moved to facilitate various support functions, as noted elsewhere herein. For example, other devices (e.g.,trees 12, another manifold 16, and the pumping station 18) can be connected in fluid communication with the manifold 16, and therobotic arm 30 can be used to actuate valves of the manifold 16 to control fluid flow. In one such instance, therobotic arm 30 is moved from the resting position shown inFIGS. 6 and 7 toward an extended position in which thehead 38 of thearm 30 is positioned near avalve actuator 60, as generally shown inFIGS. 8 and 9 . In this extended position, thearm 30 can be lowered or raised to move an end effector toward or away from the actuator 60 (or any other component that is to be manipulated with the robotic arm 30). In conjunction with this movement of thearm 30, the grippingtool 48 can be used to grasp and remove adebris cover 56 from thesubsea manifold 16 to expose thevalve actuator 60, and thetorque tool 52 can be used to control a valve by applying torque to the exposedactuator 60. Once manipulation of thevalve actuator 60 is complete, thedebris cover 56 can be returned to its place over thevalve actuator 60. - The
robotic arm 30 is depicted inFIGS. 6-9 as having both thegripping tool 48 and thetorque tool 52. In this arrangement, thehead 38 of thearm 30 can be rotated to generally alternate the positions of these tools with little movement of the rest of thearm 30. But in other embodiments therobotic arm 30 may carry just a single tool at any given time. In some cases, multiplerobotic arms 30 can be used to facilitate support operations, such as onerobotic arm 30 with a grippingtool 48 and another robotic arm with atorque tool 52. - In still other cases, a
robotic arm 30 may be used with multiple, interchangeable end effectors (e.g., grippingtool 48,torque tool 52, and other tools) designed to perform different functions. These interchangeable end effectors may include any of a multitude of different tools that can be connected to and disconnected from therobotic arm 30 on an as-needed basis. When not in use, the interchangeable end effectors in at least some embodiments are positioned within reach of therobotic arm 30 to facilitate retooling of thearm 30 with different end effectors. The number and types of different, interchangeable end effectors can be selected by a user based on the support functions expected to be carried out by therobotic arm 30. - The interchangeable end effectors are held by a tool box in at least some embodiments. As one example, a
tool box 70 is shown inFIG. 10 as coupled to theupper surface 54 of the manifold 16 near therobotic arm 30. The depictedtool box 70 holds additional end effectors in the form oftools additional tools FIG. 11 , thetool box 70 includesindividual slots 80 for holding the assortment of tools. - A tool (e.g., the gripping tool 48) carried by the
robotic arm 30 can be disconnected from therobotic arm 30 and replaced with a different tool, such as one of thetools robotic arm 30 carrying a first tool is moved to insert the first tool into theempty slot 80 of thetool box 70 and therobotic arm 30 is disconnected from the first tool to leave that tool in itsslot 80. Thearm 30 is then moved away from the first tool and into engagement with a second tool in thetool box 70 to enable the second tool to be carried in place of the first tool by thearm 30. In this manner, therobotic arm 30 can fit itself with different tools appropriate for performing an array of desired support operations. It is noted, however, that in some other embodiments (e.g., in topside or onshore implementations) the tools can be interchanged manually by an operator. Thetool box 70 can be positioned at any suitable location near therobotic arm 30. In some instances, this can include mounting thetool box 70 on a portion of therobotic arm 30, such as generally depicted inFIG. 12 . - While certain examples of support tasks that can be performed with robotic manipulators 26 (e.g., the robotic arm 30) are described above, it is again noted that such
robotic manipulators 26 can have many capabilities and can be used to enable a wide array of support functions. This versatility is generally represented inFIG. 13 , in which anoilfield system 90 is shown to include arobotic manipulator 26 capable of interacting with numerous components. Thesystem 90 can include one or more oilfield devices, which may be located subsea, topside, or onshore. The components depicted inFIG. 13 are representative of components of such oilfield devices, and it will be appreciated that the oilfield devices can include any combination of these or other components with which therobotic manipulator 26 may interact. - More particularly, the
robotic manipulator 26 can be used to facilitate installation or retrieval of many different components from a given installed device (e.g., atree 12, a manifold 16, apump 18, or a blowout preventer stack 22). For example, therobotic manipulator 26 can be used for installing or retrieving (or otherwise manipulating) the following: various connectors 92, which may include clamps; connector tooling 94; various seals 96, such as hub seals; insulation doghouses 98;process compensation units 100;flowmeters 102;control modules 104; processingmodules 106; samplingmodules 108; hotstabs 110; lifting slings 112 (including, in one embodiment, manipulating shackles of a lifting sling); chokes 114; covers 116, such as debris covers; umbilicals and flying leads 118, such as electrical flying leads (EFLs), hydraulic flying leads (HFLs), steel flying leads (SFLs), umbilical termination heads (UTHs), optical flying leads (OFLs), and associated equipment;electrical distribution units 120;communication distribution units 122; intervention workover control systems (IWOCs) 124;acoustic detectors 126;accumulation modules 128; piggingloops 130; pig launchers andreceivers 132; andvalve actuators 134. The robotic manipulator can also be used to operate valves 136 (e.g., mechanical operation of all override types), running tools 138 (for connection systems, control modules, etc.), other tools 140 (e.g., replacement and cleaning tools for connection systems),gasket test panels 142, and lockingmechanisms 144. Still further, therobotic arm 30 or some otherrobotic manipulator 26 can perform on-demand inspection services (e.g., verifying valve indicators and bullseye inspection), cleaning (e.g., of the installed device and associated components), and cathodic protection point monitoring. - Several representative examples of such support operations are described in greater detail below for explanatory purposes. First, a robotic manipulator 26 (such as the robotic arm 30) can be used for valve intervention. As generally described above, the
robotic manipulator 26 can be used to remove a debris cover, operate the valve (e.g., to open or shut the valve), and then replace the debris cover. The manipulated valves (e.g., valves 136) can be of any size, class, and override type (e.g., rotary, linear, or paddle type). - The
robotic manipulator 26 can also be used for connection system intervention. In some instances, this may include using therobotic manipulator 26 to facilitate make up or disconnection of connectors 92, such as by aligning a jumper and arunning tool 138, operating the runningtool 138, and installing and retrieving associated caps (e.g., covers 116). In other cases, therobotic manipulator 26 facilitates make up or disconnection of connectors 92 by aligning a jumper, operating a pull-in cylinder to set or break a connection, and installing or retrieving associated caps. - In another embodiment, the
robotic manipulator 26 may be used to facilitate pigging operations. For instance, therobotic manipulator 26 can align and install a pigging loop 130 (e.g., on a subsea manifold) with runningtools 138, operate anisolation valve 136, operate agasket test panel 142, and operate runningtools 138 for retrieval of the piggingloop 130 after a pigging operation is completed. Therobotic manipulator 26 can also be used to align and install a pig launcher andreceiver 132, operate an associated connection system, and operate thegasket test panel 142. - The
robotic manipulator 26 can also be used to install or retrieveflowmeters 102, chokes 114, or various modules, such ascontrol modules 104, processingmodules 106,sampling modules 108,communication distribution units 122, andaccumulation modules 128. Such support operations using themanipulator 26 may include removing a dropped object cover, aligning the module (or flowmeter) with an oilfield device, moving the module into engagement with the oilfield device, replacing the dropped object cover, and connecting one or more leads 118 (e.g., EFLs or OFLs) between the installed module and other components of the oilfield device. Therobotic manipulator 26 can also be used to remove the dropped object cover, uninstall the one or more leads 118, remove the module from the oilfield device, and replace the dropped object cover. In some cases, lockingmechanisms 144 or other components may also be manipulated via therobotic manipulator 26 to facilitate installation or retrieval of a flowmeter, module, or other given component. - Certain additional features of a robotic manipulator 26 (e.g., a robotic arm 30) are generally depicted in
FIG. 14 in accordance with one embodiment. Particularly, therobotic manipulator 26 may be operated via a processor-based control system, an example of which is provided inFIG. 14 and generally denoted byreference numeral 150. In this depicted embodiment, thesystem 150 includes aprocessor 152 connected by abus 154 to amemory device 156. It will be appreciated that thesystem 150 could also include multiple processors or memory devices, and that such memory devices can include volatile memory (e.g., random-access memory) or non-volatile memory (e.g., flash memory and a read-only memory). The one ormore memory devices 156 are encoded with application instructions 158 (e.g., software executable by theprocessor 152 to perform various functionality described above), as well as with data 160 (e.g., positions of, and other information about, components with which the robotic manipulator may interact). In one embodiment, theapplication instructions 158 are stored in a read-only memory and thedata 160 is stored in a writeable non-volatile memory (e.g., a flash memory). - The
system 150 also includes aninterface 162 that enables communication between theprocessor 152 and various input or output devices 164. Theinterface 162 can include any suitable device that enables such communication, such as a modem or a serial port. The input and output devices 164 can include any number of suitable devices. For example, in one embodiment the devices 164 include actuators 166 (e.g., step motors) for moving the robotic manipulator in a desired manner,cameras 168, andsensors 170. For instance, therobotic arm 30 can be fitted with one ormore cameras 168 to facilitate operation of thearm 30 and on-demand visual inspection of nearby devices and components (e.g., a subsea oilfield device and associated components). Therobotic manipulator 26 can include any desiredsensors 170 and, in at least some embodiments, thesensors 170 include location or proximity sensors that may be used by thecontrol system 150 for collision avoidance (i.e., to avoid unintentional collision of the robotic manipulator with some other object). Power and data may also be communicated between therobotic manipulator 26 and the structure to which it is attached, such as an oilfield device. For instance, electrical power, data, and operating commands may be provided to therobotic manipulator 26 from the structure (e.g., through the mountingbase 32 of the robotic arm 30). Additionally, data may be communicated from therobotic manipulator 26 to the structure, from which it may be communicated to some other location, such as a topside or surface monitoring station. Theactuators 166,cameras 168, andsensors 170 can be provided as part of therobotic manipulator 26, though other devices 164 (e.g., human-machine interfaces) may be separate from therobotic manipulator 26. - Use of the
robotic manipulators 26 described above may allow a reduction in the use of small working class vessels in the field by providing on-demand inspection capabilities, by operating valves and other mechanisms on the installed devices, by facilitating installation and retrieval of most retrievable components, and by allowing cleaning of the installed devices by therobotic manipulators 26. Further, therobotic manipulators 26 may also enable a reduction in overall weight of the installed devices, an increase in productivity (e.g., by allowing the onboard robotic manipulator to perform certain operations on demand, rather than waiting for intervention from an ROV), and a reduction in downtime of offshore installations and intervention campaigns. Although described above in connection with oilfield devices, it will be appreciated that therobotic manipulators 26 may be used with other, non-oilfield devices in full accordance with the present technique. - While the aspects of the present disclosure may be susceptible to various modifications and alternative forms, specific embodiments have been shown by way of example in the drawings and have been described in detail herein. But it should be understood that the invention is not intended to be limited to the particular forms disclosed. Rather, the invention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following appended claims.
Claims (20)
1. An apparatus comprising:
an oilfield device configured to be installed at a fixed location as part of a subsea production system;
a robotic manipulator fixedly mounted on the oilfield device, the robotic manipulator having a tool for interacting with components of the oilfield device, wherein the robotic manipulator provides three translational degrees of freedom of the tool with respect to the oilfield device, the tool is a removable tool configured to be detached from the robotic manipulator, and the tool is one of a plurality of interchangeable tools configured to be installed on the robotic manipulator; and
a tool box for holding multiple tools of the plurality of interchangeable tools, wherein the tool box is mounted at a location accessible by the robotic manipulator so as to facilitate interchanging of the tool on the robotic manipulator with one of the multiple tools that is held by the tool box, the tool box includes individual slots for holding the multiple tools of the plurality of interchangeable tools, and the individual slots include an empty individual slot for receiving the tool on the robotic manipulator to facilitate interchanging of the tool on the robotic manipulator with one of the multiple tools that is held by the tool box.
2. The apparatus of claim 1 , wherein the robotic manipulator includes an articulated arm mounted on the oilfield device.
3. The apparatus of claim 2 , wherein the articulated arm includes a proximal end mounted on the oilfield device and a distal end having the tool.
4-6. (canceled)
7. The apparatus of claim 1 , wherein the tool box is provided on the robotic manipulator.
8. The apparatus of claim 1 , wherein the tool box is provided on the oilfield device.
9. The apparatus of claim 1 , wherein the tool includes a gripping tool or a torque tool.
10. The apparatus of claim 1 , wherein the oilfield device includes a subsea manifold, a tree, a blowout preventer, or a pump.
11. An apparatus comprising:
a subsea manifold configured to be installed as part of a subsea production system; and
a robotic arm fixedly mounted on the subsea manifold, wherein the robotic arm includes an articulated arm having a head with one or more tools for interacting with components of the subsea manifold, wherein the robotic arm is coupled to the subsea manifold via a mounting base of the robotic arm that enables electrical power and data to be provided to the robotic arm from the subsea manifold through the mounting base.
12. (canceled)
13. The apparatus of claim 11 , wherein the robotic arm is a retrievable arm that can be disconnected and separately retrieved from the subsea manifold while the subsea manifold is installed on a seabed.
14. The apparatus of claim 11 , wherein the robotic arm includes a camera that enables visual inspection of the subsea manifold via the robotic arm.
15. A method comprising:
moving a robotic arm that includes a tool and is fixedly mounted on an installed oilfield device of a subsea production system so as to move the tool with respect to the installed oilfield device; and
operating the robotic arm to perform a support operation for the installed oilfield device;
wherein operating the robotic arm to perform a support operation for the installed oilfield device includes operating the robotic arm to actuate a valve of the installed oilfield device, moving the robotic arm so as to move the tool with respect to the installed oilfield device includes moving the robotic arm to position the tool alongside an actuator of the valve, and operating the robotic arm to actuate the valve of the installed oilfield device includes operating the tool to actuate the valve via the actuator;
the method further comprising:
using the robotic arm to remove a debris cover, with an additional tool of the robotic arm, from the installed oilfield device to expose the actuator of the valve; and
using the robotic arm to replace the debris cover, with the additional tool of the robotic arm, following actuation of the valve by the robotic arm.
16-18. (canceled)
19. The method of claim 15 , wherein operating the robotic arm to perform a support operation for the installed oilfield device includes operating the robotic arm to facilitate installation of a component in the installed oilfield device or retrieval of the component from the installed oilfield device.
20. The method of claim 19 , wherein operating the robotic arm to facilitate installation or retrieval of the component includes operating the robotic arm to align the component with the installed oilfield device, to move the component into engagement with the installed oilfield device, and to connect one or more leads between the component and the installed oilfield device.
21. The method of claim 15 , comprising disconnecting the tool from the robotic arm and replacing the tool with the additional tool.
22. The method of claim 21 , wherein disconnecting the tool from the robotic arm and replacing the tool with the additional tool includes:
moving the robotic arm so as to insert the tool into a tool box having the additional tool;
disconnecting the tool from the robotic arm while the tool is received in the tool box; and
moving the robotic arm away from the tool and into engagement with the additional tool so as to receive the additional tool on the robotic arm in place of the tool disconnected from the robotic arm and received in the tool box.
23. An apparatus comprising:
a subsea production system including oilfield devices installed along a seabed, the oilfield devices including:
a plurality of trees coupled to subsea wellheads;
a subsea manifold connected in fluid communication with the plurality of trees, the subsea manifold including valves to control flow of produced hydrocarbons or other fluids from the plurality of trees through the subsea manifold; and
a pumping station connected in fluid communication with the subsea manifold;
wherein the subsea production system also includes a robotic arm fixedly mounted on the subsea manifold, the robotic arm includes an articulated arm having a head with a tool for actuating the valves of the subsea manifold to control flow of the produced hydrocarbons or the other fluids from the plurality of trees through the subsea manifold, the robotic arm is coupled to the subsea manifold via a mounting base of the robotic arm that enables electrical power and data to be provided to the robotic arm from the subsea manifold through the mounting base, the tool is one of a plurality of interchangeable tools, and an additional tool of the plurality of interchangeable tools is held by a tool box mounted at a location accessible by the robotic arm so as to facilitate interchanging of the tool and the additional tool on the robotic arm.
24. The apparatus of claim 23 , wherein an additional robotic arm is installed on the pumping station or on a tree of the plurality of trees to enable the additional robotic arm to perform support operations for the pumping station or the tree.
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Cited By (4)
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Also Published As
Publication number | Publication date |
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EP3296505B1 (en) | 2019-11-20 |
BR102017013585A2 (en) | 2018-05-08 |
US9840886B1 (en) | 2017-12-12 |
EP3296505A1 (en) | 2018-03-21 |
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