US3674123A - Pig diverter - Google Patents

Pig diverter Download PDF

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Publication number
US3674123A
US3674123A US65639A US3674123DA US3674123A US 3674123 A US3674123 A US 3674123A US 65639 A US65639 A US 65639A US 3674123D A US3674123D A US 3674123DA US 3674123 A US3674123 A US 3674123A
Authority
US
United States
Prior art keywords
rotor
passage
combination
housing
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US65639A
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English (en)
Inventor
George E Lewis
Fernando Murman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydril LLC
Original Assignee
Hydril LLC
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 Hydril LLC filed Critical Hydril LLC
Application granted granted Critical
Publication of US3674123A publication Critical patent/US3674123A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/46—Launching or retrieval of pigs or moles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
    • B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
    • B65G51/24—Switches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
    • E21B23/12—Tool diverters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86501—Sequential distributor or collector type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86863—Rotary valve unit

Definitions

  • the housing also forming a series of secondary ports respectively communicable with multiple [56] References cued secondary pipes selectively to pass the tool; and, means form UNITED STATES PATENTS ing an elongated intermediate passage to pass the tool and having one end remaining in direct communication with the 2,339,17l 6/1953 primary port and an opposite end selectively directly commu 2,730,339 1"956 nieable with the secondary ports in response to controlled 3,
  • This invention relates generally to controlling the travel of a tool within piping, and more specifically concerns apparatus for controllably diverting the travel of a tool within piping to a selected pipe among several of same.
  • a servicing tool In the drilling, completion, or production operation of oil wells, as for example underwater wells, it is frequently desired to introduce a servicing tool into one pipe and to travel the tool therein past a diverter junction (as for example a -y") and into another pipe.
  • a diverter junction as for example a -y
  • One such tool is commonly known as a "pig”. It has been common to provide a movable flapper valve at the y-junction to control pig travel into a selected one of the branches of the however, such flappers are subject to malfunction as in cases where build-up of heavy fluid deposits jam the flapper pivot mechanism. Also, they are leaky, and can become, difficult to operate.
  • flowline assemblies have been proposed wherein one or more fiowlines course in a large open-loop or loops between passages in the top spool of the tree, to provide passageways for pump-down tools; however, elongated, looping, unprotected flowlines are subject to damage, particularly underwater, as where heavy equipment inadvertently strikes such lines.
  • the invention is embodied in the combination that includes a housing forming a primary port communicable with a primary pipe to pass the tool or pig; the housing also forming a series of secondary ports respectively communicable with multiple secondary pipes selectively to pass the tool; and, means forming an elongated intermediate passage to pass the tool and having one end remaining in direct communication with the primary port and an opposite end selectively directly communicable with the secondary ports in response to controlled movement of the passage within the housing, the passage being protected.
  • the elongated passage may have some lengthwise curvature sufficient to align the one end thereof generally coaxially with the primary port and to align the opposite end thereof generally coaxially with successive secondary ports in response to such controlled movement of the passage.
  • the passage may be formed by a rotor rotatable within the housing, the rotor being conical and having an apex at which one end of the passage is located, and a base at which the movable (i.e. rotatable) opposite end of the passage is located.
  • FIG. 1 is a vertical section
  • FIG. 2 is a plan view taken on line 2-2 of FIG. I;
  • FIG. 3 is an enlarged section taken through retaining means;
  • FIG. 4 is a section taken on line 4-4 of P16. 3-, and
  • FIG. 5 is a control diagram.
  • a housing 10 includes a generally conical hollow body 11 and an end cap 12 attached to the body as via fasteners I3.
  • Body ll fonns a primary port 14 at the body axis I5 and communication with a primary pipe 16 to pass a tool or "pig", as is indicated at 17.
  • the connector elements I70 on l7 serve to connect with other pig elements.
  • Pipe l6 may be connected as via coupling with the body 11, with a seal ring 18 being retained between these elements as indicated.
  • the housing cap 12 forms a series of secondary ports 19 respectively communicable with multiple secondary pipes 20, selectively to pass the tool 17. Ports 19 may be circularly spaced about the axis 15.
  • means is provided to form an elongated intermediate passage to pass the tool, an example of such means being the duct 21 forming passage 21a.
  • One end of the passage as for example end 22a, remains in direct communication with the primary port 14; and an opposite end of the passage, as for example end 230, is selectively directly communicable with the secondary ports I9 in response to controlled movement of the passage within the housing.
  • the passage 21a and duct 21 have lengthwise curvature sufficient to align end 220 generally coaxially with primary port l4, and to align the passage end 23a generally coaxially with successive secondary ports in response to controlled rotary movement of the passage within the housing It).
  • the angularity of the axes of the ports 19 with respect to axis 15 is between about 20 and 40, for example.
  • the passage moving means may typically comprise a rotor, as for example is seen at 24, rotatable within the housing 10 to bring the passage end 23a into selective communication with the secondary ports.
  • the duct 21 may have end portion 22 attached to the rotor bearing 25 rotatable in body socket 26, and end portion 23 received through an angled opening 27 in rotor end cap 28.
  • the latter is attached at 29 to the hollow conical rotor body 30 coaxially received in housing body 11 to freely rotate therein.
  • Cap 28 rides at 31 on the inner surface of housing cap 12. Note that duct 21 is contained within the rotor to be rotated thereby.
  • Means to rotate the rotor about axis [5 may, for example, include a rotary drive 32 at the side of the cap 12 opposite the rotor and operatively connected therewith.
  • Drive 32 is shown to include an operator (as for example racks and pistons or a hydraulic motor) coupled via shaft 33 and plate member 34 with the rotor end cap 28, the plate fitting within a recess 35 in the cap 28.
  • Shaft 33 extends coaxially through the housing end cap 12 and a seal 36 seals off between the shaft and a bore 37 in cap 12.
  • the rotor has axially oppositely facing projected areal extents which are equal and to which pressure fluid has access from the ports, whereby forces resulting from pressure exertion on the rotor in the direction of axis 15 are equalized.
  • pressure exerted upwardly against the under surface of rotor end cap 28 approximately balances the pres sure exerted downwardly on the upper surface of that cap; and pressure exerted downwardly on the upper surface 304 of the rotor body 30 approximately balances the pressure exerted upwardly on the under surface 3% of that body.
  • a further important aspect of the invention concerns the provision of retaining means operable to selectively retain the rotor in each of a series of positions corresponding to direct communication of the passage end 230 with the secondary ports 19.
  • retaining means may advantageously comprise a series of outwardly yieldable detent elements 40 having locations corresponding to the locations of the secondary ports, as
  • FIG. 2 For example is illustrated in FIG. 2.
  • one detent element projects into a shallow recess 41 sunk in the periphery of the rotor cap 28, the detent taking the form of a roller mounted by a pin 42 to rotate in engagement with the periphery of the rotor cap 28 until dropping into recess 4!.
  • the retaining means typically includes actuator means to selectively urge the detent elements forcibly into locking relation with the recess 4!; thus, the actuator means may comprise a series of actuators 43, one for each detent element 40, a selected actuator to supply locking force to the selected detent whereby it forcibly looks into the recess 41 as the latter comes into registration therewith, all other detent actuators being deurbaned so that their associated detents ride into and out of the recess.
  • One highly desirable actuator 43 comprises a plunger 44 mounting the roller and to which a piston 45 is connected. When pressure fluid is supplied as at 46 to the cylinder 47 receiving the piston, the plunger is urged inward or rightward in FIG. 3 to lock the roller into the recess 41 as the latter registers with the roller. In the absence of such fluid pressure supply, a light spring 48 urges the plunger terminal 44a to the right to effect roller engagement with the rotor periphery during rotor rotation.
  • a controllable source of fluid pressure for the actuator is indicated at 49
  • Fluid pressure from within the housing 10 is communicated via passage 50 in the position plunger section 44 to a pressure balancing chamber 51, whereby the pressure exerted on plunger end surfaces 52 and 53 is balanced.
  • Fluid in the space 54 to the right of the piston 45 may escape at 55 to expansion chamber 56 containing a spring 57.
  • the latter urges a gland 58 to the left against the pressure of sea-water entering passage 59 in cylinder 60 and acting to urge the gland to the right.
  • the fluid at 56 may transfer to chamber 54, allowing piston 45 to move to the left, and fluid from 54 may transfer to 56 to allow piston 45 to move to the right.
  • a plug 61 fits within the spring and extends into chamber 51, and is bolted to cylinder 60 by bolt 6la, as shown.
  • Body 62 contains the spring 48, piston 45 and its plunger section 44, which is received in a bore 63 in the housing 10.
  • FIG. 4 illustrates the use of a reed switch element 70 actuable by a magnet 17 on the plunger 44 in response to rightward travel of the plunger to lock the detent into the recess, as described.
  • the switch provides a signal to indicate functioning of the lock-up.
  • FIG. 5 shows the provision of a switch 74 responsive to pressure supply, as at 46 to piston 45, to close a circuit 75 connecting the drive motor 32 for the rotor with a power source 76. Accordingly, the rotor will rotate with a lock-up detent has been selected, until detent engagement with locking recess 41 has been established. Switch 70 will then open to stop motor 32 and the rotation of the rotor 24. There is one switch 70 and 74 for each flow-through position of the rotor. Instead of driving the shaft 33, the motor 32 could be used to control hydraulie valving which in turn controls hydraulic fluid flow to an hydraulic actuator for the shaft.
  • ln apparatus for controllably diverting the passage of a tool within piping, the combination comprising a. a housing forming a primary port communicable with a primary pipe to pass the tool,
  • the housing also forming a series of secondary ports respectively communicable with multiple secondary pipes selectively to pass the tool
  • c. means forming an elongated intermediate passage to pass said tool and having one end remaining in direct communication with said primary port and an opposite end selectively directly communicable with the secondary ports in response to controlled movement of said passage within said housing, said means comprising a rotor rotatable within said housing to bring said passage opposite end into selective communication with said secondary ports,
  • retaining means operable to selectively retain the rotor in each of a series of positions corresponding to direct communication of the passage opposite end with a selected secondary port, said retaining means including a series of yieldable detent elements having locations corresponding to the locations of said secondary ports, the rotor having a recess to receive the detent elements, and the retaining means including actuator means energizable to urge a preselected detent element forcibly against said rotor so that the preselected detent element will move into said recess when said recess is aligned with said preselected detent element and e.
  • a drive means including motor means energizable to rotate the rotor about the principal axis thereof, and means to de-energize the motor means in response to inward displacement of the actuator means acting to displace said preselected detent element into the recess aligned therewith to retain the rotor against further rotation.
  • said housing includes a hollow body and an end cap containing said secondary ports arranged circularly about an axis defined by said ro tor.
  • the housing includes a hollow body and an end cap containing the secondary ports arranged circularly about an axis defined by the rotor, the end cap containing said recess.
  • each of said actua tor means includes a plunger movable within a cylinder and having a gas pressure receiving piston face, the plunger carry ing said detent at the inner terminal thereof.
  • apparatus for controllably diverting the passage of a tool within piping comprising a. a housing forming a primary port communicable with a primary pipe to pass the tool,
  • the housing also forming a series of secondary ports respectively communicable with multiple secondary pipes selectively to pass the tool
  • c. means forming an elongated intermediate passage to pass said tool and having one end remaining in direct communication with said primary port and an opposite end selectively directly communicable with the secondary ports in response to controlled movement of said passage within said housing, said means comprising a rotor rotatable within said housing to bring said passage opposite end into selective communication with said secondary ports, said rotor being generally conical and having an apex at which said one end of the passage is located, and a base at which said opposite end of the passage is located, and
  • the rotor having a recess to receive the detent elements
  • the retaining means including actuator means energizable to urge the detent elements forcibly into locking relation with said recess.
  • the combination of claim 14 including a drive energizable to rotate the rotor about the principal axis thereof. and means to de-energize the drive in response to rotation of the rotor to a position at which it is retained against rotation by a detent element.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Multiple-Way Valves (AREA)
US65639A 1970-08-20 1970-08-20 Pig diverter Expired - Lifetime US3674123A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6563970A 1970-08-20 1970-08-20

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US3674123A true US3674123A (en) 1972-07-04

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US65639A Expired - Lifetime US3674123A (en) 1970-08-20 1970-08-20 Pig diverter

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US (1) US3674123A (nl)
BE (1) BE771555A (nl)
CA (1) CA937125A (nl)
DE (1) DE2142123C3 (nl)
FR (1) FR2104606A5 (nl)
GB (1) GB1308844A (nl)
NL (1) NL7111409A (nl)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015660A (en) * 1975-12-16 1977-04-05 Standard Oil Company (Indiana) Subsea oil and gas production manifold system
US4055280A (en) * 1976-06-01 1977-10-25 King-Seeley Thermos Co. Diverter valve assembly for ice distribution systems
US4133418A (en) * 1977-07-08 1979-01-09 Vetco, Inc. Through the flowline selector
US4223700A (en) * 1979-01-02 1980-09-23 Cameron Iron Works, Inc. Flow line switch
US4265313A (en) * 1978-02-14 1981-05-05 Institut Francais Du Petrole Mooring station and transfer terminal for offshore hydrocarbon production
US4291724A (en) * 1980-06-24 1981-09-29 Cameron Iron Works, Inc. Flowline switching apparatus
EP0291143A2 (en) * 1987-05-07 1988-11-17 Cooper Cameron Corporation Subsea riser for multiple bore wells
US4886401A (en) * 1988-04-11 1989-12-12 The United States Of America As Represented By The United States Department Of Energy Diverter assembly for radioactive material
US5046522A (en) * 1989-08-02 1991-09-10 Fmc Corporation Rotary elbow fluid distribution/collection valve
US5127429A (en) * 1988-07-23 1992-07-07 Putzmeister-Werk Maschinenfabrik Gmbh Method and device for distributing pumpable thick matter into several delivery pipes
US5129459A (en) * 1991-08-05 1992-07-14 Abb Vetco Gray Inc. Subsea flowline selector
WO1995012464A1 (en) * 1992-05-08 1995-05-11 Norsk Hydro A.S Pig system for sending and receiving pigs in a pipeline system
US5732773A (en) * 1996-04-03 1998-03-31 Sonsub, Inc. Non-welded bore selector assembly
WO1998049475A1 (en) * 1997-04-25 1998-11-05 Wyman-Gordon Company Multi-port diverter valve
US6148921A (en) * 1996-05-03 2000-11-21 Coflexip Oil extracting installation incorporating manifold support mounting plates, and plate
US6488093B2 (en) * 2000-08-11 2002-12-03 Exxonmobil Upstream Research Company Deep water intervention system
US20040094305A1 (en) * 2000-08-21 2004-05-20 Skjaerseth Odd B Intervention module for a well
US20050236050A1 (en) * 2004-04-27 2005-10-27 Dresser, Inc. Multiple line administration
US20050236049A1 (en) * 2004-04-27 2005-10-27 Manson Ronald J In-line multi-port selector valve
US20050236051A1 (en) * 2004-04-27 2005-10-27 Mcbeth Russell E Multi-port flow selector manifold valve and manifold system
US20070173972A1 (en) * 2006-01-13 2007-07-26 The Cda Group, Llc System and Method for Pneumatic Transport
US20080263796A1 (en) * 2007-04-26 2008-10-30 Morris Bruce E Pipeline systems using a reverse flow wye connector
US20080265567A1 (en) * 2007-04-26 2008-10-30 Morris Bruce E Reverse flow wye connector
US20090224189A1 (en) * 2008-03-07 2009-09-10 Morris Bruce E Metal sealing, stem locking mechanism
US20090255559A1 (en) * 2008-04-14 2009-10-15 Martin Engineering Company Gas Channeling Device for Directing Blasts of Gas Through Alternative Outlet Passageways and Method Therefor
US20110175996A1 (en) * 2005-09-08 2011-07-21 Ulc Robotics, Inc. Pipeline Inspection System
US8783293B2 (en) 2011-01-18 2014-07-22 Oil States Industries, Inc. Simple reverse flow wye connector
US8833802B2 (en) 2011-11-08 2014-09-16 Oil States Industries, Inc. Misaligned pipe connector
US9618158B2 (en) 2011-05-02 2017-04-11 New Gas Industries, L.L.C. Method and apparatus for compressing gas in a plurality of stages to a storage tank array having a plurality of storage tanks
US9694992B2 (en) 2014-10-02 2017-07-04 Translogic Corporation Multiple dock station for pneumatic transport system
US10551001B2 (en) 2015-09-03 2020-02-04 J-W Power Company Flow control system
CN114526339A (zh) * 2022-04-22 2022-05-24 陕西祥瑞电气工程自动化有限公司 一种煤气流量精调器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142049A (en) * 1977-05-16 1978-12-11 Kobe Steel Ltd Method and device for supplying and circulating cleaning balls to tubular film separator
FR2413603A1 (fr) * 1977-12-30 1979-07-27 Emh Dispositif formant joint tournant a passage multiple de tuyauterie notamment pour colonne de chargement ou de transfert en site marin
CA1269910A (en) * 1986-07-10 1990-06-05 John M. Dewil Fluid flow control valve

Citations (9)

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Publication number Priority date Publication date Assignee Title
US664455A (en) * 1900-04-13 1900-12-25 Oscar H Baker Lock for grain-distributers.
DE692525C (de) * 1938-05-10 1940-06-21 Ind Akt Ges Einrichtung zur wahlweisen Verteilung des von einem Elevator o. dgl. auf einen Speicher gefoerderten Schuettgutes
US2531527A (en) * 1946-08-19 1950-11-28 Roy I Patterson Grain distributor
US2730339A (en) * 1952-10-23 1956-01-10 Frank G Presnell Fuel distributing system
US2839171A (en) * 1956-03-22 1958-06-17 Minneapolis Sheet Metal Works Selective distributing spout for elevator bins and the like
US3095097A (en) * 1960-06-13 1963-06-25 Paul A Mellow Grain elevator control system
US3174607A (en) * 1962-10-29 1965-03-23 Penn Bangor Inc Material flow divertor apparatus
US3322273A (en) * 1964-03-24 1967-05-30 Texas Instruments Inc Rotary bin sorter
US3545474A (en) * 1968-07-01 1970-12-08 North American Rockwell Tool diverter and system for directing tfl tools

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664455A (en) * 1900-04-13 1900-12-25 Oscar H Baker Lock for grain-distributers.
DE692525C (de) * 1938-05-10 1940-06-21 Ind Akt Ges Einrichtung zur wahlweisen Verteilung des von einem Elevator o. dgl. auf einen Speicher gefoerderten Schuettgutes
US2531527A (en) * 1946-08-19 1950-11-28 Roy I Patterson Grain distributor
US2730339A (en) * 1952-10-23 1956-01-10 Frank G Presnell Fuel distributing system
US2839171A (en) * 1956-03-22 1958-06-17 Minneapolis Sheet Metal Works Selective distributing spout for elevator bins and the like
US3095097A (en) * 1960-06-13 1963-06-25 Paul A Mellow Grain elevator control system
US3174607A (en) * 1962-10-29 1965-03-23 Penn Bangor Inc Material flow divertor apparatus
US3322273A (en) * 1964-03-24 1967-05-30 Texas Instruments Inc Rotary bin sorter
US3545474A (en) * 1968-07-01 1970-12-08 North American Rockwell Tool diverter and system for directing tfl tools

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015660A (en) * 1975-12-16 1977-04-05 Standard Oil Company (Indiana) Subsea oil and gas production manifold system
US4055280A (en) * 1976-06-01 1977-10-25 King-Seeley Thermos Co. Diverter valve assembly for ice distribution systems
US4133418A (en) * 1977-07-08 1979-01-09 Vetco, Inc. Through the flowline selector
US4265313A (en) * 1978-02-14 1981-05-05 Institut Francais Du Petrole Mooring station and transfer terminal for offshore hydrocarbon production
US4223700A (en) * 1979-01-02 1980-09-23 Cameron Iron Works, Inc. Flow line switch
US4291724A (en) * 1980-06-24 1981-09-29 Cameron Iron Works, Inc. Flowline switching apparatus
EP0291143A2 (en) * 1987-05-07 1988-11-17 Cooper Cameron Corporation Subsea riser for multiple bore wells
EP0291143A3 (en) * 1987-05-07 1989-10-18 Cameron Iron Works Usa, Inc. Subsea riser for multiple bore wells
US4886401A (en) * 1988-04-11 1989-12-12 The United States Of America As Represented By The United States Department Of Energy Diverter assembly for radioactive material
US5127429A (en) * 1988-07-23 1992-07-07 Putzmeister-Werk Maschinenfabrik Gmbh Method and device for distributing pumpable thick matter into several delivery pipes
US5046522A (en) * 1989-08-02 1991-09-10 Fmc Corporation Rotary elbow fluid distribution/collection valve
US5129459A (en) * 1991-08-05 1992-07-14 Abb Vetco Gray Inc. Subsea flowline selector
WO1995012464A1 (en) * 1992-05-08 1995-05-11 Norsk Hydro A.S Pig system for sending and receiving pigs in a pipeline system
US5732773A (en) * 1996-04-03 1998-03-31 Sonsub, Inc. Non-welded bore selector assembly
US6148921A (en) * 1996-05-03 2000-11-21 Coflexip Oil extracting installation incorporating manifold support mounting plates, and plate
WO1998049475A1 (en) * 1997-04-25 1998-11-05 Wyman-Gordon Company Multi-port diverter valve
US6488093B2 (en) * 2000-08-11 2002-12-03 Exxonmobil Upstream Research Company Deep water intervention system
US6659180B2 (en) 2000-08-11 2003-12-09 Exxonmobil Upstream Research Deepwater intervention system
US7036598B2 (en) * 2000-08-21 2006-05-02 Offshore & Marine As Intervention module for a well
US20040094305A1 (en) * 2000-08-21 2004-05-20 Skjaerseth Odd B Intervention module for a well
US7343932B2 (en) 2004-04-27 2008-03-18 Cameron International Corporation Multiple line administration
US20050236049A1 (en) * 2004-04-27 2005-10-27 Manson Ronald J In-line multi-port selector valve
US7343933B2 (en) 2004-04-27 2008-03-18 Cameron International Corporation Multi-port flow selector manifold valve and manifold system
US20050236050A1 (en) * 2004-04-27 2005-10-27 Dresser, Inc. Multiple line administration
US20050236051A1 (en) * 2004-04-27 2005-10-27 Mcbeth Russell E Multi-port flow selector manifold valve and manifold system
US20110175996A1 (en) * 2005-09-08 2011-07-21 Ulc Robotics, Inc. Pipeline Inspection System
US9599571B2 (en) 2005-09-08 2017-03-21 Ulc Robotics, Inc. Pipeline inspection system
US8723943B2 (en) * 2005-09-08 2014-05-13 G. Gregory Penza Pipeline inspection system
US20070173972A1 (en) * 2006-01-13 2007-07-26 The Cda Group, Llc System and Method for Pneumatic Transport
US7424340B2 (en) * 2006-01-13 2008-09-09 The Cda Group, Llc System and method for pneumatic transport
US20080292414A1 (en) * 2006-01-13 2008-11-27 The Cda Group, Llc System and Method for Pneumatic Transport
US20080265567A1 (en) * 2007-04-26 2008-10-30 Morris Bruce E Reverse flow wye connector
US20080263796A1 (en) * 2007-04-26 2008-10-30 Morris Bruce E Pipeline systems using a reverse flow wye connector
US7891377B2 (en) * 2007-04-26 2011-02-22 Quality Connector Systems Reverse flow wye connector
US8151825B2 (en) 2007-04-26 2012-04-10 Quality Connector Systems Reverse flow wye connector
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Also Published As

Publication number Publication date
FR2104606A5 (nl) 1972-04-14
BE771555A (fr) 1972-02-21
DE2142123B2 (de) 1973-10-25
CA937125A (en) 1973-11-20
NL7111409A (nl) 1972-02-22
DE2142123A1 (de) 1972-03-30
GB1308844A (en) 1973-03-07
DE2142123C3 (de) 1974-05-22

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