US20140353039A1 - Core barrel valve assembly - Google Patents

Core barrel valve assembly Download PDF

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Publication number
US20140353039A1
US20140353039A1 US14/375,081 US201214375081A US2014353039A1 US 20140353039 A1 US20140353039 A1 US 20140353039A1 US 201214375081 A US201214375081 A US 201214375081A US 2014353039 A1 US2014353039 A1 US 2014353039A1
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United States
Prior art keywords
fluid
valve
force
valve element
latch
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.)
Abandoned
Application number
US14/375,081
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English (en)
Inventor
Paul Lambert
Patrick Salvador
Patrick Lu
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.)
Atlas Copco Canada Inc
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Atlas Copco Canada Inc
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Filing date
Publication date
Application filed by Atlas Copco Canada Inc filed Critical Atlas Copco Canada Inc
Assigned to ATLAS COPCO CANADA INC. reassignment ATLAS COPCO CANADA INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LAMBERT, PAUL, LU, PATRICK, Salvador, Patrick
Publication of US20140353039A1 publication Critical patent/US20140353039A1/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
    • 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
    • Y10T137/0318—Processes
    • Y10T137/0396—Involving pressure control
    • 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
    • Y10T137/7069—With lock or seal
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7854—In couplings for coaxial conduits, e.g., drill pipe check valves

Definitions

  • the present invention generally relates to core barrels. More specifically, it relates to a core barrel head assembly.
  • valves that control the supply of a fluid by being opened when they are subjected to a certain pressure from the fluid.
  • One such application is in wire line core drilling, as will be described below.
  • double core tubes When performing exploratory drilling to collect rock samples from depths of from several hundred to a couple of thousand meters, double core tubes are used having an inner and an outer tube.
  • the sample is collected in the inner tube, which usually has a length of a few meters.
  • the inner tube When the inner tube is full this is usually detected by means of a manometer or the like that measures the flushing water pressure in the core tube.
  • a retriever device suspended on a wire is lowered into the tube for retracting the inner tube with the sample, said retriever device comprising a gripping means in the form of a claw or “spearhead” arranged to engage with a gripping means arranged on/in the upper end of the inner tube.
  • the inner tube When the wire is then tautened the inner tube is disengaged from the outer tube, and the inner tube with the sample can be hoisted up. Conversely, the claw and the gripping means on the inner tube can be used to lower a new inner tube.
  • Equipment of this type is generally known as a wire line system.
  • the gripping means is often designed to be combined with some type of locking member that firmly locks the inner tube in relation to the outer tube when the inner tube has reached the correct position.
  • This locking member usually consists of a hook-like device, preferably spring-loaded, a locking claw or latch that engages with recesses or shoulders arranged in the inside of the outer tube.
  • the current industry standard to provide a landing indicator system uses a ball and bushing or plunger (ball attached to retracting case) and bushing as a valve assembly with short signal duration.
  • U.S. Pat. No. 6,708,784 discloses method for a valve, the valve comprising a movable valve element having a first side facing a means for supplying pressurized fluid and influenced in the supply direction by a force from said fluid, and a second side influenced in opposite direction by a force from said fluid.
  • the valve is provided with at least one connection connecting the first side of the valve element with the second side of the valve element, and also comprises a spring for opening the valve by displacing the valve element from a closed position to an open position.
  • the method comprises the following steps: a pressurized fluid is supplied to the valve in the closed position so that the valve remains closed; the supply of pressurised fluid to the closed valve ceases, a pressure force differential then decreases between the first and second sides thereby enabling the spring to open the valve, and a pressurized fluid is supplied to the valve in the open position and the valve remains open.
  • valve assembly described in U.S. Pat. No. 6,708,784 is not self-resetting and does not function properly when debris and/or additives are present in the flushing medium.
  • valve assembly for a landing indicator system that is self-resetting and that will work with debris and/or additives in the flushing medium, while functioning properly in low water level conditions and in shallow holes.
  • the present invention provides a valve assembly for use in a core barrel head assembly positionable within a drill string of a drilling apparatus, the valve assembly comprising:
  • valve assembly for use in a core barrel head assembly positionable within a drill string of a drilling apparatus driven by pressurized fluid, the valve assembly comprising:
  • wire line core drill system comprising a wire line core drill having an inner tube by means of which core samples are collected, an outer tube connected to a drill bit, and a valve assembly situated at the rear end of the inner tube, the valve assembly controlling the supply of a flushing medium in the form of a pressurized fluid, wherein the valve assembly is constructed as described above.
  • the valve assembly provides two separate ports upstream of the landing shoulder and allowing fluid pressure to apply a force on two different surfaces eliminating small fluid passages that are prone to blockage from debris and allowing for significantly less restricted flow for drilling when the valve is open. Fluid pressure can be required to lock the latches engaged in the drill string. This ensures that the valve assembly will remain closed when the head has landed but fluid pressure has not yet built up. This feature also greatly decreases the pressure applied by the latches to the inside wall of the drill string while it is travelling down the drill string, greatly reducing the friction, decreasing wear on the latches and decreasing the time to travel to the bottom of the hole.
  • the valve assembly can thus function in low water level conditions and in shallow holes.
  • valve assembly according to certain embodiments of the present invention can also be self-resetting, a feature not present in the system described in U.S. Pat. No. 6,708,784.
  • the system described in U.S. Pat. No. 6,705,784 would also not function properly when debris was present between sliding surfaces of the valves.
  • the valve assembly according to the present also provides a reduced sliding surface area with seals added to block debris from entering these areas.
  • FIG. 1 is an exploded view of a head assembly according to a preferred embodiment of the present invention, with interchangeable mid latch bodies.
  • FIGS. 2A to 2C are cross-sectional side views of a head assembly according to another preferred embodiment of the present invention.
  • FIGS. 3A to 3C are detailed cross-sectional side views of the head assembly corresponding to the views shown in FIGS. 6A to 6C , illustrating flow streamlines through the valve assembly.
  • FIGS. 4A to 4D are partial detailed cross-sectional side views of the head assembly with a valve assembly according to another preferred embodiment of the present invention, illustrating a preferred sequential use of the valve assembly.
  • FIGS. 5A and 5B are partial side views of an upper latch body and latch retracting case of the head assembly shown in FIGS. 6A to 6C .
  • FIGS. 6A and 6B are a partial cross-sectional view of a valve assembly and partial side view of a joined upper latch body and latch retracting case, respectively, of the head assembly shown in FIGS. 6A to 6C , during a descent phase of a preferred sequential use of the valve assembly.
  • FIGS. 7A and 7B are a partial cross-sectional view of a valve assembly and partial side view of a joined upper latch body and latch retracting case, respectively, of the head assembly shown in FIGS. 6A to 6C , during a signal phase of a preferred sequential use of the valve assembly.
  • FIGS. 8A and 8B are a partial cross-sectional view of a valve assembly and partial side view of a joined upper latch body and latch retracting case, respectively, of the head assembly shown in FIGS. 6A to 6C , during a working phase of a preferred sequential use of the valve assembly.
  • FIGS. 9A and 9B are a partial cross-sectional view of a valve assembly and partial side view of a joined upper latch body and latch retracting case, respectively, of the head assembly shown in FIGS. 6A to 6C , during a transition to the retracting/retrieval phase of a preferred sequential use of the valve assembly.
  • FIGS. 10A and 10B are a partial cross-sectional view of a valve assembly and partial side view of a joined upper latch body and latch retracting case, respectively, of the head assembly shown in FIGS. 6A to 6C , during a retracting/retrieval phase of a preferred sequential use of the valve assembly.
  • the terms “mounted,” “connected,” “supported,” and “coupled” and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings and are thus intended to include direct connections between two members without any other members interposed therebetween and indirect connections between members in which one or more other members are interposed therebetween. Further, “connected” and “coupled” are not restricted to physical or mechanical connections or couplings. Additionally, the words “lower”, “upper”, “upward”, “down” and “downward” designate directions in the drawings to which reference is made. The terminology includes the words specifically mentioned above, derivatives thereof, and words or similar import.
  • FIG. 1 an exploded view of a presently preferred embodiment of an core barrel head assembly 10 for a drilling apparatus.
  • the core barrel head assembly 10 is positionable within a drill string of a drilling apparatus.
  • the core barrel head assembly 10 comprises an upper latch body 12 and a lower latch body 14 .
  • the head assembly 10 further comprises a mid latch body 16 separating the upper latch body 12 from the lower latch body 14 and removably coupling the upper latch body 12 to the lower latch body 14 .
  • FIG. 1 shows three different sample embodiments of the mid latch body 16 A, 16 B, 16 C to illustrate the interchangeability of the mid latch body 16 .
  • the mid latch body 16 is removably coupled to the upper latch body 12 and the lower latch body 14 .
  • the mid latch body 16 houses a landing indicator device 18 .
  • a common central bore 20 is formed by the upper latch body 12 , the lower latch body 14 and the mid latch body 16 .
  • the head assembly includes an upper latch body 12 with a latching assembly 30 and fluid pressure communication ports 32 .
  • the lower latch body 14 holds a landing shoulder 34 by a removable sleeve 36 and includes fluid flow ports 38 downstream of the landing shoulder.
  • the mid latch body component 16 also has fluid flow ports 40 upstream of the landing shoulder, and connects the upper and lower latch bodies, 12 , 14 , with a central bore 20 connecting the fluid flow ports 38 , 40 .
  • the mid latch body 16 contains a valving mechanism 42 which can provide a landing indication signal.
  • the common central bore 20 is present through all body components.
  • the head assembly preferably includes of two sets of ports: the first set for fluid pressure communication with the internal valving mechanism 42 , the second set for fluid flow required for drilling in which the fluid flow is blocked or opened by the internal valving mechanism 42 .
  • This fluid port design offers the advantages of increased fluid flow during drilling which means it is less likely to collect debris and pack with mud and thus results also in a more efficient pumping system, compared to a head assembly where all the fluid circulates through a single port system upstream of the landing shoulder (thus more subject to blockage) from the upper latch body to the lower latch body, with no bypass port.
  • FIG. 1 illustrates an example of three different head assemblies in which the upper 12 and lower 14 latch bodies are similar and could be shared, but where a changeout of the mid latch body 16 allows the use of different valving mechanism designs that can be tailored to a specific drilling condition.
  • FIG. 2A-10B show different embodiments of a head assembly in accordance with another preferred embodiment of the present invention.
  • the head assembly allows for an interchangeable mid latch body 16 between an upper latch body 12 and a lower latch body 14 .
  • the valving assembly in the mid latch body benefits from the use of separate pressure communication ports 32 and fluid flow ports 40 .
  • the head assembly includes a valve assembly 100 for use in a core barrel head assembly 10 positionable within a drill string of a drilling apparatus.
  • the valve assembly 100 comprises at least one pressure port 32 formed in a sidewall of the core barrel head assembly 100 upstream of the landing shoulder.
  • the valve assembly 100 also includes a movable valve element 218 having a first side 220 in fluid communication with pressurized fluid through the head assembly and having a first surface that is influenced in the supply direction by a force F A from said fluid.
  • a second side 222 faces in the opposite direction, in fluid communication with the pressurized fluid through the head assembly and having a second surface that is influenced in the opposite direction by a force F B from the fluid.
  • a biasing element such as a spring 224 or any equivalent resilient element is provided for urging the valve assembly towards an opened configuration by displacing the valve element 218 from a closed position, blocking the at least one fluid flow port 40 , to an open position.
  • the biasing element or spring may be designed to be adjustable
  • the area of the second surface is greater than that of the first surface so that the force influencing the valve element 218 in a closing direction, in the form of the force F B from the pressurized fluid acting on the second surface exceeds the force influencing the valve element in an opening direction, in the form of the combined force Fs from the spring and the force F A from the pressurized fluid acting on the first surface, whereby the valve element is retained in the closed position of the valve when pressurized fluid is supplied, as illustrated in FIGS. 2A and 3A
  • the pressure force differential decreases between said first and second sides 220 , 222 , and the spring 224 then urges the valve element 218 to be displaced from its closed position to its open position unblocking the at least one fluid flow port 40 as shown in FIGS. 2B and 3B .
  • the valve assembly further comprises a locking device for mechanically locking the valve element in its closed position.
  • the locking device comprises a pressure sleeve 226 mechanically connected through the retracting case 28 to a latch locking mechanism 232 of the inner tube member.
  • FIG. 2A to 3C and FIG. 5A-10B Another possible embodiment of the locking device is illustrated in FIG. 2A to 3C and FIG. 5A-10B and will be described in further detail below.
  • valve assembly for use in a core barrel head assembly positionable within a drill string of a drilling apparatus driven by pressurized fluid, the method comprising the steps of:
  • valve assembly 100 further comprises a locking device for mechanically locking the valve element in its closed position
  • the valve element is in a mechanically locked closed position
  • the method further comprises the step, between steps a) and b) of:
  • the locking device comprises a pressure sleeve 226 mechanically connected to a latch locking mechanism 232 of the head assembly and step i) further comprises the step of allowing fluid pressure to displace the pressure sleeve 226 and engage a latch lock 228 of the latch locking mechanism 232 .
  • the valve element is a two-piece valve comprising a valve body 250 and a valve piston 252 .
  • the valve body 250 is used to selectively block the fluid flow port 40 and includes a side 222 which applies a force to urge the valve assembly towards a closed configuration.
  • the valve piston 252 includes a side 220 which applies a force to urge the valve assembly towards an open configuration,
  • the valve piston 252 further comprises a slotted stem 254 to allow fluid flow to flush debris and a pin 256 to co-operate with the profiled slots in the upper latch body 12 and latch retracting case 28 to be able to selectively lock the valve assembly in a closed configuration.
  • the upper latch body 12 comprises a profiled slot 258 to co-operate with the pin 256 of the valve piston 252 to lock the valve-in the closed position and allow the valve to move to the open position after a predetermined rise in fluid pressure.
  • the profiled slot 258 allows axial movement of the pin within the main slot portion 260 .
  • a top end 262 of the slot 258 extends at an angle transversely with respect to the main slot portion, at least partially radially and towards the opposite bottom end to prevent the pin 256 from moving downward.
  • the pin 256 is held in the radially extended slot position by the spring 224 that biases the valve assembly towards the open position.
  • both valve body 250 and piston 252 will move up and the pin 256 on the valve piston 252 will be directed by the angled slot extension 262 to move the pin 256 radially (or rotate it) towards the main slot portion 260 to allow for axial movement of the pin and hence the valve member when the pressure is released.
  • the latch retracting case 28 also has a profiled slot 270 to cooperate with the pin 256 on the valve piston 252 .
  • the latch retracting case 28 automatically moves the pin 256 to the locked position on the profiled slot 258 of the upper latch body 12 when the latches 142 are retracted.
  • the profiled slot thus helps to hold the latch retracting case 28 and latch lock in an intermediate up position such that the latch lock is not engaged to the latches 142 , greatly reducing the latch drag on the drill rod during descent.
  • the profiled slot 270 allows for axial movement of the pin 256 within a main slot portion 272 .
  • a bottom end 274 of the slot extends at an angle with respect to the main slot portion 272 , at least partially radially and axially lower than the main slot portion 272 , thus rotating the pin 256 towards the locked position in the upper latch body 12 when the latch retracting case 28 is moved up to retract the latches 142 .
  • the pin 256 during the latch retraction can then extend back towards the bottom end 274 in a direction parallel to the main slot.
  • the biasing means 280 such as a spring or other equivalent resilient element, in the retracting case 28 will bias the retracting case 28 towards the down position.
  • the bottom end portion 274 of the profiled slot 270 will prevent the retracting case 28 from moving to the fully down position as it is being held in an intermediate up position, preventing the latch lock from engaging with the latches 142 , once again greatly reducing the latch drag on the drill rod during descent.
  • valve assembly An operational sequence of the valve assembly will now be described. Reference will be made to components illustrated in the two different groups of embodiments illustrated respectively in FIG. 2 A to 3 C/ 5 A to 10 B and FIG. 4A to 4D .
  • the latch retracting case 28 Before inserting the inner tube head assembly in the drill string, the latch retracting case 28 is pulled up (right side in FIG. 2A , 4 A or 6 A) to its first position. This will disengage the latch lock 228 and allow the latches 142 to move freely from the engaged position to the retracted position and vice versa.
  • the valve biasing means 224 and retracting case biasing means 236 are compressed.
  • the latch retracing case 28 is directly connected to the pressure sleeve 226 .
  • the pressure sleeve 226 and/or the latch retracting case 28 are held in this first position (with a mechanical lock) as it is travelling through the drill string, to reduce the latch drag on the drill rod during descent.
  • the pin 256 attached to the valve piston 252 is constrained through interaction with profiled slots 258 , 270 and thus prevented from moving down to lock the latches 142 , thereby reducing latch drag on the drill rod.
  • the valve body 250 blocks fluid flow through the fluid flow port 40 .
  • fluid pressure will increase and act on the surface 220 and push with a force at a first predetermined value less than a second predetermined value, such as for example, maximum pump pressure, to move the pressure sleeve 226 down and engage the latch lock 228 with which it is directly connected through the latch retracting case 28 .
  • a second predetermined value such as for example, maximum pump pressure
  • the latches 142 are engaged and locked into the outer tube and the valve element 218 , which is connected to the retracting case 28 by slot 242 is allowed to operate normally. If the latches 142 are not in the correct position, the latch lock 228 and its directly connected components will not be able to move down to the second position and allow the valve to operate normally.
  • Fluid pressure will remain high even after it has been released to the atmosphere, indicating to the driller that the latches are not properly engaged and corrective action must be taken.
  • the fluid pressure continues to rise and acts on first surface 220 through pressure communication port 32 and second surface 222 through fluid flow port 38 .
  • the first surface area is smaller than the second surface area such that when fluid pressure is present, the force generated by the second surface area is greater than the combined force generated by the first surface area and the force of the spring 224 . This will maintain the valve in the closed position while fluid pressure is acting on the valve.
  • the increased pressure will displace the valve body 250 and valve piston 252 up, which through interaction with the profiled slots 258 , 260 , induces rotation of the pin 256 out of its locked configuration.
  • This permits the valve piston 252 to move and allows the retracting case 28 to descend while the latches 142 become engaged.
  • the retracting case 28 will not move down, thus blocking movement of the valve 252 piston and valve assembly and preventing opening of the fluid flow port 40 .
  • the biasing means 224 or spring force also overcomes the pressure force differential between the first and second surfaces 220 , 222 to urge the valve element 218 towards an open position.
  • fluid flows through the slots in the valve piston 254 and through the valve body 250 into the central bore 20 .
  • the retrieval device or overshot is sent down the drill string and connects to the spearhead 50 .
  • the spearhead 50 which is connected to the retracting case 28 is pulled up for retrieval and moves the retracting case 28 up past the first position it had during descent to its fourth position.
  • the valve element 218 and valve body 250 being slideably connected to the retracting case 28 , is moved up past the first position as well to allow fluid to flow through the apertures 260 .
  • the spring 236 will return the valve assembly to the first descent position and it will be ready for the next trip down the hole.
  • valve body 150 For the embodiment shown in FIG. 10A-10B , once the valve assembly is returned to the surface, the valve body 150 must be displaced manually at the surface location in order to position the valve body 150 in a closed configuration that will be ready once again for the next descent down the hole. For the embodiment shown in FIGS. 4A-4D , the reset can be done automatically.
  • the present invention also provides a wire line core drill system comprising a wire line core drill having an inner tube by means of which core samples are collected, an outer tube connected to a drill bit, and a valve assembly situated at the rear end of the inner tube, said valve assembly controlling the supply of a flushing medium in the form of a pressurized fluid, wherein the valve assembly is constructed as described in one of the embodiments provided above.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Earth Drilling (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
US14/375,081 2012-01-27 2012-01-27 Core barrel valve assembly Abandoned US20140353039A1 (en)

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PCT/CA2012/050046 WO2013110160A1 (en) 2012-01-27 2012-01-27 Core barrel valve assembly

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US14/375,107 Abandoned US20150014065A1 (en) 2012-01-27 2013-01-25 Core barrel valve assembly

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US (2) US20140353039A1 (zh)
CN (2) CN104067043A (zh)
AU (2) AU2012367201A1 (zh)
CA (1) CA2860030A1 (zh)
CL (1) CL2014001976A1 (zh)
MX (2) MX2014008556A (zh)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140353044A1 (en) * 2012-01-27 2014-12-04 Atlas Copco Canada Inc Core barrel head assembly
WO2016205927A1 (en) * 2015-06-24 2016-12-29 Atlas Copco Canada Inc. Core barrel head assembly with safety overshot
US10000982B2 (en) * 2013-03-01 2018-06-19 Sandvik Intellectual Property Ab Release valve used in an inner tube assembly for use with a core barrel

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108953624B (zh) * 2018-08-13 2023-08-15 四川大学 锁子甲式翻板阀
CN108868677B (zh) * 2018-08-13 2024-01-26 四川大学 一种取芯钻机与牙钻联锁机构
US11952850B2 (en) * 2019-02-04 2024-04-09 Boyles Bros Diamantina S.A. Upper head assembly for a core barrel
CN113090214B (zh) * 2021-02-26 2022-02-25 中煤科工开采研究院有限公司 监测孔内带线缆的监测设备打捞装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6425449B1 (en) * 2001-02-08 2002-07-30 Boart Longyear International Holdings, Inc. Up-hole pump-in core barrel apparatus
US6708784B1 (en) * 1999-08-24 2004-03-23 Atlas Copco Craelius Ab Core barrel valve assembly
US20130032410A1 (en) * 2011-08-01 2013-02-07 Martin Jolicoeur Core barrel assembly including a valve

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466497A (en) * 1982-03-19 1984-08-21 Soinski Alexander F Wireline core barrel
BE1000529A4 (fr) * 1987-05-13 1989-01-17 Diamant Boart Sa Dispositif de controle du verrouillage d'un carottier de sondage.
US4800969A (en) * 1987-11-24 1989-01-31 Longyear Company Fast descent core barrel apparatus
CN2063575U (zh) * 1990-02-09 1990-10-10 武警黄金十支队 一种绳索取心钻具
US5267620A (en) * 1991-05-01 1993-12-07 Longyear Company Drilling latch apparatus
US5799742A (en) * 1996-10-22 1998-09-01 Northwest Machine Works, Inc. Core drilling latch assembly
US6029758A (en) * 1997-11-24 2000-02-29 Boart Longyear International Holdings, Inc. Retractable core barrel valving apparatus
CN2359450Y (zh) * 1998-10-08 2000-01-19 华北石油管理局第二钻井工程公司 绳索式安全取芯工具
US20080246273A1 (en) * 2004-11-30 2008-10-09 Shelljet Pty Limited Positive Indication of Latching in an Inner and Outer Tube Assembly, Especially for Downhole Assemblies
CN201372754Y (zh) * 2009-03-24 2009-12-30 武汉金地探矿机械有限公司 喷反绳索取芯钻具
US8794355B2 (en) * 2009-10-07 2014-08-05 Longyear Tm, Inc. Driven latch mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6708784B1 (en) * 1999-08-24 2004-03-23 Atlas Copco Craelius Ab Core barrel valve assembly
US6425449B1 (en) * 2001-02-08 2002-07-30 Boart Longyear International Holdings, Inc. Up-hole pump-in core barrel apparatus
US20130032410A1 (en) * 2011-08-01 2013-02-07 Martin Jolicoeur Core barrel assembly including a valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140353044A1 (en) * 2012-01-27 2014-12-04 Atlas Copco Canada Inc Core barrel head assembly
US9644439B2 (en) * 2012-01-27 2017-05-09 Atlas Copco Canada Inc Core barrel head assembly
US10000982B2 (en) * 2013-03-01 2018-06-19 Sandvik Intellectual Property Ab Release valve used in an inner tube assembly for use with a core barrel
WO2016205927A1 (en) * 2015-06-24 2016-12-29 Atlas Copco Canada Inc. Core barrel head assembly with safety overshot
US10704349B2 (en) 2015-06-24 2020-07-07 Epiroc Canada Inc. Core barrel head assembly and method

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MX2014009048A (es) 2014-10-24
MX2014008556A (es) 2014-10-24
CN104080998A (zh) 2014-10-01
WO2013110160A1 (en) 2013-08-01
ZA201404677B (en) 2015-12-23
US20150014065A1 (en) 2015-01-15
WO2013110197A1 (en) 2013-08-01
AU2013212456A1 (en) 2014-08-21
ZA201405254B (en) 2016-05-25
AU2012367201A1 (en) 2014-08-14
CN104067043A (zh) 2014-09-24
CA2860030A1 (en) 2013-08-01

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