WO1999020870A1 - Carottier - Google Patents
Carottier Download PDFInfo
- Publication number
- WO1999020870A1 WO1999020870A1 PCT/BE1998/000136 BE9800136W WO9920870A1 WO 1999020870 A1 WO1999020870 A1 WO 1999020870A1 BE 9800136 W BE9800136 W BE 9800136W WO 9920870 A1 WO9920870 A1 WO 9920870A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inner tube
- tube
- restriction
- coring
- pressure
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 244000000626 Daucus carota Species 0.000 claims description 11
- 235000002767 Daucus carota Nutrition 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
-
- 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
-
- 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
- E21B25/06—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver having a flexible liner or inflatable retaining means
Definitions
- the present invention relates to a corer, in particular for oil exploration, comprising a coring ring, an outer tube supporting the crown so as to drive it in rotation for coring, and an inner tube mounted in the outer tube so to be able to receive a carrot cut by the crown.
- a flow space, provided between the outer and inner tubes, is intended for the passage of a coring fluid to be brought to the bottom of a hole during coring.
- auxiliary devices which increase the reliability of the operations of gripping a carrot cut around its periphery and which must be detached from the bottom of the coring hole. to bring it to the surface.
- the operation of the auxiliary device (s) themselves must, on the other hand, be able to be controlled, from the surface, so that they act at the desired time and in the intended manner, with a very reduced risk as to loss or deterioration of the core, damage to the core barrel, etc., given the enormous costs involved in the means implemented and in time for such coring operations which must therefore be carried out as quickly as possible.
- the object of the present invention is to provide simple and effective means for controlling these auxiliary devices, without introducing sophisticated and / or fragile mechanisms into the core barrel but by making the most of the possibilities, known as such, offered by the use of changes in the pressure of the coring fluid.
- means for restricting the passage of the coring fluid are arranged in the flow space, on the side of the anterior end of the inner tube, in a direction of advance d coring, and, moreover, control means are provided for adjusting, from the surface, the restriction means so as to increase the pressure of said fluid upstream of the restriction means.
- This increase in the pressure of the coring fluid can then be used directly and effectively at the anterior end of the corer to actuate the aforementioned auxiliary devices.
- the passage restriction means comprise for this purpose an inner tube element and an outer tube element which cooperate to achieve the adjustable restriction, and the control means can be arranged to move the 'relative to each other the inner and outer tubes.
- the passage restriction means comprise for this purpose an inner tube element and / or an outer tube element as well as an auxiliary element arranged to cooperate with the inner tube element and / or the outer tube member for adjusting the restriction.
- the control means can then be arranged to move relative to each other the inner and / or outer tubes and / or the auxiliary element.
- At least one of said inner and / or outer tube elements is an annular boss whose peripheral surface facing the other tube element cooperates with a peripheral surface of this other element to form the restriction.
- control means can be arranged to move longitudinally relative to each other the inner and outer tubes for adjusting the restriction, the inner tube being preferably moved towards the anterior end of the core barrel during this adjustment.
- control means may comprise, on the side of the rear end of the inner tube, a cylinder and piston system, with limited relative travel, one of which is integral with the inner tube and the other with the tube outside.
- a lock can be arranged in order to be able to block the piston in the cylinder in a position corresponding to a minimum restriction (relatively large passage) chosen.
- the lock can be arranged to unlock the piston from the cylinder when a determined pressure of the coring fluid, greater than that of coring, is applied to the lock. The limited relative travel between piston and cylinder following an always higher pressure then brings the restriction means of the anterior end of the inner tube into a maximum restriction position (relatively small passage) chosen.
- a type of auxiliary device can comprise, arranged coaxially in the anterior end of the inner tube, a sleeve with a deformable wall which, in the undeformed state, allows the passage of a core and a substantially sealed annular chamber between the inner tube and the wall of the sleeve, this chamber being in communication with the coring fluid passing through the flow space between the outer and inner tubes.
- the wall of the sleeve is chosen to deform towards the inside of the inner tube, until it substantially tightens and / or closes the internal space of the latter so as to retain a core therein, under the pressure of said fluid obtained in the annular chamber after an aforementioned adjustment of the pressure by the maximum restriction chosen.
- auxiliary device of the corer of the invention may comprise, arranged coaxially in the anterior end of the inner tube, a sliding bush allowing the passage of a core and mounted like a piston in a substantially sealed annular chamber between the inner tube and this sleeve, this chamber being in communication with the coring fluid passing in the flow space between the tubes outside and inside.
- the sliding sleeve is then arranged to, on the one hand, occupy a first position slid towards the anterior end of the core barrel and preferably be locked there by a lock, and to, on the other hand, be slid up to a second position, distant from the anterior end of the core barrel, under the pressure of said fluid obtained in the annular chamber after the aforementioned pressure has increased by the maximum restriction chosen, after the possible lock has released the sleeve under the action of said pressure on the sleeve.
- FIG. 1 shows a front end of an embodiment of the corer of the invention, equipped with an auxiliary device.
- FIG. 2 represents an embodiment of a section of the core barrel of the invention at the location of the rear end of the inner tube.
- FIG. 3 represents a front end of an embodiment of the corer of the invention, equipped with another auxiliary device.
- FIG. 4 represents a front end of an embodiment of the corer of the invention, equipped with a combination of two auxiliary devices.
- Figure 5 shows an anterior end of a shape embodiment of the corer of the invention, equipped with another combination of two auxiliary devices.
- Figure 6 shows another embodiment of the corer section of the invention at the rear end of the inner tube.
- Figure 7 shows a front end of another embodiment of the core barrel of the invention.
- the core barrel 1 of the invention usually comprises (figures
- a coring ring 2 an outer tube 3 supporting the crown 2, so as to rotate it for coring, and an inner tube 4 mounted in the outer tube 3 so to be able to receive a core (not shown) cut by the crown 2.
- a flow space 5, provided inter alia between the outer 3 and inner 4 tubes, is intended for the passage of a coring fluid to be brought to the bottom of a hole during coring, through nozzles drilled in the crown 2.
- the corer 1 also comprises, on the one hand (FIGS. 1, 3, 4, 5 and 7), means 6 for restricting the passage of the fluid which are arranged in the flow space 5, on the side or near the front end 7 of the inner tube 4, in a direction of advancement S of a coring and of the flow of the coring fluid in this space 5, and, on the other hand (FIGS. 2 and 6), control means 8 which are provided, preferably on the side of the rear end 9 of the inner tube 4, for adjusting from the surface the restriction means 6 so as to be able to substantially increase a pressure of said fluid upstream of these means of restriction 6.
- the passage restriction means 6 for this purpose comprise an element 10 of the inner tube 4 and an element 11 of the outer tube 3 which cooperate to achieve the adjustable restriction.
- the control means 8 are then arranged to move relative to each other the inner 4 and outer 3 tubes to which the elements 10 and 11 are fixed respectively. Since usually the inner 4 and outer 3 tubes rotate l relative to each other around their known longitudinal axis, it is advantageous for the control means 8 to be arranged so as to move the inner 4 and outer 3 tubes longitudinally relative to each other for the purpose of adjustment of the restriction, the inner tube 4 preferably being moved in the direction of the anterior end 7 of the core barrel 1 (according to arrow S) during this adjustment.
- the passage restriction means 6 may for this purpose comprise an inner tube element 10 and / or an outer tube element 11 above as well as an auxiliary element, not shown, arranged to cooperate with the inner tube element 10 and / or the outer tube element 11 for adjusting the restriction.
- This auxiliary element could be a ring disposed between the inner 10 and outer 11 tubes, in the flow space 5.
- the control means 8 can then be arranged to move relative to each other the inner 4 and / or outer 3 tubes and / or the auxiliary element.
- control means 8 can be arranged to move the auxiliary element longitudinally relative to the inner tubes 4 and / or the outer 3 in order to adjust the restriction.
- At least one of the two elements 10, 11 of inner tube 4 and / and respectively outer 3 is an external annular boss 13 or respectively internal 14.
- a peripheral surface external of the external annular boss 13 or of the element 10 itself, turned towards the other tube element 11, cooperates with an internal peripheral surface of this other element 11 or of its annular boss 14 to form the restriction.
- the aforementioned auxiliary element could be provided with an internal annular boss or / and an external arranged to cooperate respectively, to obtain the restriction, with the inner tube element 10, whether or not provided with a corresponding boss, or / and with the outer tube element 11 likewise provided or not with a corresponding annular boss.
- the control means 8 can comprise, on the side of the rear end 9 of the inner tube 4, a system which will be described as a system with cylinder 22 and piston 23 with limited relative travel due inter alia to the sliding arrangement of one inside the other.
- the cylinder 22 (FIG. 2) is secured to the inner tube 4 and the piston 23 is secured to the outer tube 3 by means of the ball stop 25 provided for suspending the inner tube 4 in the outer tube 3.
- a lock 24 is advantageously provided to prevent any relative longitudinal movement of the piston 23 relative to the cylinder 22 in a starting position thereof corresponding to a usual core drilling with a selected minimum restriction.
- the lock 24 is then arranged so as to be able to unlock the cylinder 22 of the piston 23 when a determined pressure of the coring fluid, greater than that of a normal coring, is applied to the lock 24.
- the latch 24 in FIG. 2 may for example comprise a tube 26 which can slide in the piston 23 and balls 27 housed in radial cylindrical holes, through the wall of the piston 23, and projecting into appropriate notches, or in a groove annular 28, cut in the internal face of the cylinder 22.
- An external annular boss 29 of the tube 26 is arranged on the latter at a place where, the entire device being in the usual coring position, it keeps the balls 27 locked in the position described above, so as to form a connection between cylinder 22 and piston 23.
- a blocking rod 30 fixed through the piston 23 and the sliding tube 26 holds the latter in the position in which it blocks the balls 27.
- the sliding tube 26 At its rear end (in the direction S), the sliding tube 26 comprises a valve seat 31 intended to receive, as a closing valve, a ball 32 and it is inserted in leaktight manner in the conduit 33 for fluid inlet coring in this position for blocking the balls 27.
- a first set of fluid passages 34 and a second set of fluid passages 35, all transverse to the wall of the sliding tube 26 are each located at a different level da ns this one.
- the coring fluid coming from the conduit 33 passes through the valve seat 31, flows into the sliding tube 26 and leaves there inter alia through all of the passages 34 to open, by l through flow holes 36, towards the aforementioned flow space 5.
- the ball 32 When it is desired to control from the surface a maximum restriction at the anterior end 7, the ball 32 is launched into the flow of fluid, which is housed on the valve seat 31 and which thus obstructs the normal flow of the coring fluid.
- the pressure of the fluid then acts fully on the ball 32 and on the entire cross section of the sliding tube 26, visible at its rear end inserted in the conduit 33.
- said pressure increases in the absence of a flow of escaping through the seat valve 31, it can happen to produce on the sliding tube 26 a force sufficient to shear the locking rod 30.
- the sliding tube 26 thus released and pushed by the pressure slides in the piston 23, until against a stop, up to a point where its annular boss 29 releases the blocking balls 27 which then separate the piston 23 from the cylinder 22.
- the sliding tube 26 leaves the conduit 33.
- the coring fluid can then escape by passing around the posterior end thus freed from the sliding tube 26 and it enters the latter. passing through the set of passages 35 or else it passes around the sliding tube 26, in an annular gap between it and the piston 23, to reach again the flow space 5 via the holes d flow 36.
- the relative stroke of the piston 23 in the cylinder 22 is limited for example by a stud 37 fixed to the piston 23 and by an oblong hole 38 cut in the wall of the cylinder 22.
- the stud 37 allows the piston 23 to have a stroke limited to displacement the stud 37 from one end of this oblong hole 38 (as shown in FIG. 2) to the other end of this same hole 38.
- This limited relative stroke is produced by the pressure of the fluid on the outside of the inner tube 4.
- the latter moved in the direction S, brings the restriction means 6 into a selected maximum restriction position.
- the core barrel 1 can comprise (FIG. 1) a kind of auxiliary device 40 intended for example to enclose a core to be grasped in order to bring it to the surface.
- This auxiliary device 40 arranged coaxially in the front end 7 of the inner tube 4, may include a sleeve 41 with a deformable wall 42, which allows the passage of the core when it is in a non-deformed state from the start.
- a substantially sealed annular chamber 43 of the device 40 is arranged between the inner tube 4 and the deformable wall 42 of the sleeve 41, this chamber 43 being in communication, through one or more holes 44 in the wall of the inner tube 4, with the fluid of coring passing in the flow space 5.
- the wall 42 is chosen to deform towards the inside of the inner tube 4, until it substantially tightens and / or closes the internal space 45 of the latter so as to retain a carrot therein, under the pressure of said fluid obtained in the annular chamber 43 after an aforementioned adjustment of the pressure by the maximum restriction chosen.
- the core barrel 1 can comprise (FIG. 3) another kind of auxiliary device 49 intended for example to arrange a relatively united passage at the front end 7 of the inner tube 4, in particular at the location of known means 50 used to enclose and / or grasp a carrot, such as a tapered split ring.
- the auxiliary device 49 may comprise, arranged coaxially in the front end 7 of the inner tube 4, a sliding bushing 51 allowing the passage of a core and mounted in the manner of a piston in an annular chamber 52 substantially sealed between the inner tube 4 and this sleeve 51.
- the chamber 52 is in communication, through one or more holes 53 drilled in the inner tube 4, with the coring fluid passing through the flow space 5 between the outer 3 and inner 4 tubes
- the sliding sleeve 51 can occupy a first position (shown in FIG. 3) slid towards the front end 54 of the core barrel 1, and preferably be locked there by a latch 55, and it can be slid to a second position , away from the front end 54 of the core barrel 1, under the pressure of said fluid obtained in the annular chamber 52, in communication with the hole (s) 53, after the increase in pr ession by the maximum restriction chosen.
- This latch 55 may be a locking rod which breaks under the force of a chosen pressure, acting to make slide the socket 51.
- the socket 51 may include, seen in its length and successively from its posterior end to its anterior end,
- a wall 59 preferably relatively thin, intended to hide in the inner tube 4, vis-à-vis the core, the means 50 provided to grip it in order to get it out of the coring hole.
- the inner tube 4 can then include an internal shoulder 60, opposite the collar 57 of the sleeve 51, intended to close the annular chamber 52.
- the longitudinal dimension of the annular chamber 52 is chosen so that the stroke of the sleeve 51 in it this allows to clear the means 50 provided for enclosing the carrot, so that they can act.
- the fixing of the inner tube 4 to the outer tube 3 is carried out so that in the event of the core jamming in the inner tube 4, the latter can be pushed towards the rear end of the core barrel 1.
- the inner 4 and outer 3 tubes it is practical for the inner 4 and outer 3 tubes to include throttling means 65 which cooperate when the inner tube 4 is pushed back, so as to increase the pressure of the coring fluid. Such an increase in pressure can be interpreted at the surface as being a signal of jamming in the inner tube 4.
- Said throttling means 65 can be combined (FIGS. 3 and 4) with the aforementioned element 10 of the inner tube 4 and / or with that 11 of the outer tube 3.
- the latter then preferably has on the internal annular boss 11 a face circular 66 which cooperates with a additional external annular boss 67 of the inner tube 4 to effect the aforementioned throttling when the inner tube 4 is pushed back into the outer tube 3 by a core, the latter being only suspended in the outer tube 3 by the thrust ball bearing 25 pressing against the latter by the fluid pressure.
- the throttling means 65 are shown arranged on the side of the rear end of the inner tube 4, near its suspension in the outer tube 3.
- the flow holes 36 open into the flow space 5 near the wall of the outer tube 3.
- the wall of the outer tube 3 has a smaller internal diameter than below or at the level of these holes. flow 36 when they are in a usual relative position for coring the inner 4 and outer tubes 3.
- the flow holes 36 come opposite the smallest diameter of the tube exterior 3. A constriction of the fizide occurs and it increases the pressure thereof and this increase in pressure can again be interpreted on the surface.
- the outer tube 3 and the crown 2 can form only one unit at least as regards functions and internal elements of these.
- elements described above as forming part of the outer tube 3 can however be found in the crown 2, whether in the drawings or in the embodiments not shown in them.
- the inner tube 4 can be considered as comprising the parts which put it in suspension in the external tube 3 by means of the ball bearing 25, the conduits 33 for supplying fluid, etc.
- the above-mentioned lock (s) 24, 55 may comprise or be constituted by one or more bodies of material and section chosen to break under the action of the pressure corresponding to the release considered.
- the latch 24 has a sliding tube 26 somewhat different from the previous one.
- Figure 4 shows a combination of the core clamping means 50 and auxiliary devices 49 and 40 explained above.
- clamping means 50 Starting from the front end 54 of the core barrel 1, there are clamping means 50, and an auxiliary device 49 arranged to mask the latter for a core so that it finds a relatively smooth passage and, above this, another auxiliary device 40 with clamping sleeve 41 described above.
- FIG. 5 shows a combination, inverted with respect to that of FIG. 4, of the same core clamping means 50 and auxiliary devices 49 and 40.
- Figures 1, 3, 4 and 5 show the invention in the case of an inner tube end 75 thinned in thickness and arranged in an annular groove 76, extending along the axis of the core barrel 1 towards the bottom of the coring hole.
- Figure 7 shows the invention in a different configuration of the end 75 of the inner tube relative to the bore 77 of the ring 2, this latter end 75 can then be brought closer to the bottom of the coring hole than that pressed in groove 76.
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- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Saccharide Compounds (AREA)
- Magnetic Heads (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/529,652 US6394196B1 (en) | 1997-10-17 | 1998-04-29 | Core drill |
CA002306810A CA2306810C (fr) | 1997-10-17 | 1998-09-18 | Carottier |
DE69809583T DE69809583T2 (de) | 1997-10-17 | 1998-09-18 | Kernbohrgerät |
EP98943589A EP1023522B1 (fr) | 1997-10-17 | 1998-09-18 | Carottier |
NO20001788A NO315667B1 (no) | 1997-10-17 | 2000-04-06 | Kjernebor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9700829 | 1997-10-17 | ||
BE9700829A BE1011502A3 (fr) | 1997-10-17 | 1997-10-17 | Carottier. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999020870A1 true WO1999020870A1 (fr) | 1999-04-29 |
Family
ID=3890782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BE1998/000136 WO1999020870A1 (fr) | 1997-10-17 | 1998-09-18 | Carottier |
Country Status (7)
Country | Link |
---|---|
US (1) | US6394196B1 (fr) |
EP (1) | EP1023522B1 (fr) |
BE (1) | BE1011502A3 (fr) |
CA (1) | CA2306810C (fr) |
DE (1) | DE69809583T2 (fr) |
NO (1) | NO315667B1 (fr) |
WO (1) | WO1999020870A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1014459A3 (fr) * | 2001-11-06 | 2003-10-07 | Halliburton Energy Serv Inc | Carottier. |
WO2020093411A1 (fr) * | 2018-11-08 | 2020-05-14 | 深圳大学 | Structure de canal de fluide de forage d'un appareil de carottage |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6729416B2 (en) | 2001-04-11 | 2004-05-04 | Schlumberger Technology Corporation | Method and apparatus for retaining a core sample within a coring tool |
US7055626B2 (en) * | 2002-03-15 | 2006-06-06 | Baker Hughes Incorporated | Core bit having features for controlling flow split |
US7431107B2 (en) * | 2003-01-22 | 2008-10-07 | Schlumberger Technology Corporation | Coring bit with uncoupled sleeve |
US20050133267A1 (en) * | 2003-12-18 | 2005-06-23 | Schlumberger Technology Corporation | [coring tool with retention device] |
US20070261886A1 (en) * | 2006-05-15 | 2007-11-15 | Baker Hughes Incorporated | Core drill assembly with adjustable total flow area and restricted flow between outer and inner barrel assemblies |
US20110203855A1 (en) * | 2007-06-27 | 2011-08-25 | Myrick Thomas M | Drilling and core removal apparatus and method |
US8770320B2 (en) | 2009-11-03 | 2014-07-08 | Longyear Tm, Inc. | Core lifter |
US8613330B2 (en) | 2011-07-05 | 2013-12-24 | Schlumberger Technology Corporation | Coring tools and related methods |
US8890341B2 (en) | 2011-07-29 | 2014-11-18 | Schlumberger Technology Corporation | Harvesting energy from a drillstring |
CA2879356A1 (fr) * | 2012-07-26 | 2014-01-30 | National Oilwell Varco, L.P. | Carottier telescopique |
US9598911B2 (en) | 2014-05-09 | 2017-03-21 | Baker Hughes Incorporated | Coring tools and related methods |
US10125553B2 (en) * | 2015-03-06 | 2018-11-13 | Baker Hughes Incorporated | Coring tools for managing hydraulic properties of drilling fluid and related methods |
WO2017023369A1 (fr) | 2015-07-31 | 2017-02-09 | Halliburton Energy Services, Inc. | Liaisons de cylindres internes de carottage pour carotte de protection de roche |
CN106093047B (zh) * | 2016-07-25 | 2019-01-18 | 武汉大学 | 一种土体生物活性演变实时监测的图像识别装置及方法 |
CN106769180B (zh) * | 2016-12-06 | 2023-07-14 | 江苏中煤矿山设备有限公司 | 一种取芯装置及其取芯工艺 |
CN107558939B (zh) * | 2017-10-12 | 2019-06-25 | 中国地质大学(武汉) | 复杂地层四重管保真取心钻具 |
CN109025875B (zh) * | 2018-08-13 | 2024-05-14 | 中国地质科学院勘探技术研究所 | 一种内置钢球式液力差动机构 |
CN109403899B (zh) * | 2018-11-08 | 2023-12-08 | 深圳大学 | 取芯钻机驱动系统 |
CN109869107A (zh) * | 2019-04-10 | 2019-06-11 | 中国科学院武汉岩土力学研究所 | 压力钻头装置及钻取装置 |
CN112031689A (zh) * | 2020-08-31 | 2020-12-04 | 中油国家油气钻井装备工程技术研究中心有限公司 | 一种海底钻机用护帽存贮与释放机构 |
CN112033730A (zh) * | 2020-09-03 | 2020-12-04 | 北京远飞高机械科技有限公司 | 一种用于铁矿取样的便于维护的高效型勘探设备 |
CN112627754B (zh) * | 2021-01-06 | 2023-03-03 | 北京大地高科地质勘查有限公司 | 一种用于智慧矿山的地质勘查钻探取样装置 |
CN114320196A (zh) * | 2021-11-28 | 2022-04-12 | 丰县梁瑞建设发展有限公司 | 一种岩土工程勘察用自破碎岩石完好取出岩芯的辅助设备 |
CN114961615B (zh) * | 2022-06-07 | 2023-09-19 | 中煤科工集团重庆研究院有限公司 | 一种煤矿井下保压取样装置及使用方法 |
CN114961613B (zh) * | 2022-06-28 | 2024-03-26 | 山东东信岩土工程有限公司 | 一种岩土工程勘察用岩心取样装置 |
CN114961617B (zh) * | 2022-07-29 | 2022-10-25 | 陕西太合智能钻探有限公司 | 一种水动力取芯钻具 |
CN115199265B (zh) * | 2022-09-15 | 2022-11-29 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | 一种用于地质勘察的智能钻探系统 |
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US4553613A (en) * | 1983-09-09 | 1985-11-19 | Norton Christensen, Inc. | Hydraulic lift inner barrel in a drill string coring tool |
EP0588373A1 (fr) * | 1990-05-31 | 1994-03-23 | Diamant Boart Stratabit S.A. | Carottier double pour forage dévié |
WO1997026438A1 (fr) * | 1996-01-15 | 1997-07-24 | Baroid Technology, Inc. | Carottier |
WO1997046790A1 (fr) * | 1996-06-05 | 1997-12-11 | Dresser Industries Inc. | Carottier |
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US2893691A (en) * | 1955-03-17 | 1959-07-07 | Johnson Theodore Char Whitcomb | Core drilling |
BE1004330A3 (fr) | 1990-05-31 | 1992-11-03 | Diamant Boart Stratabit Sa | Carottier double pour forage devie. |
BE1009966A3 (fr) * | 1996-01-15 | 1997-11-04 | Baroid Technology Inc | Carottier. |
-
1997
- 1997-10-17 BE BE9700829A patent/BE1011502A3/fr not_active IP Right Cessation
-
1998
- 1998-04-29 US US09/529,652 patent/US6394196B1/en not_active Expired - Lifetime
- 1998-09-18 CA CA002306810A patent/CA2306810C/fr not_active Expired - Fee Related
- 1998-09-18 DE DE69809583T patent/DE69809583T2/de not_active Expired - Lifetime
- 1998-09-18 EP EP98943589A patent/EP1023522B1/fr not_active Expired - Lifetime
- 1998-09-18 WO PCT/BE1998/000136 patent/WO1999020870A1/fr active IP Right Grant
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2000
- 2000-04-06 NO NO20001788A patent/NO315667B1/no not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4452321A (en) * | 1980-10-10 | 1984-06-05 | Craelius Ab | Device in core barrels |
US4553613A (en) * | 1983-09-09 | 1985-11-19 | Norton Christensen, Inc. | Hydraulic lift inner barrel in a drill string coring tool |
EP0588373A1 (fr) * | 1990-05-31 | 1994-03-23 | Diamant Boart Stratabit S.A. | Carottier double pour forage dévié |
WO1997026438A1 (fr) * | 1996-01-15 | 1997-07-24 | Baroid Technology, Inc. | Carottier |
WO1997046790A1 (fr) * | 1996-06-05 | 1997-12-11 | Dresser Industries Inc. | Carottier |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1014459A3 (fr) * | 2001-11-06 | 2003-10-07 | Halliburton Energy Serv Inc | Carottier. |
WO2020093411A1 (fr) * | 2018-11-08 | 2020-05-14 | 深圳大学 | Structure de canal de fluide de forage d'un appareil de carottage |
US11859450B2 (en) | 2018-11-08 | 2024-01-02 | Shenzhen University | Drilling fluid channel structure of core drilling rig |
Also Published As
Publication number | Publication date |
---|---|
BE1011502A3 (fr) | 1999-10-05 |
NO20001788D0 (no) | 2000-04-06 |
EP1023522A1 (fr) | 2000-08-02 |
DE69809583T2 (de) | 2003-09-25 |
NO315667B1 (no) | 2003-10-06 |
CA2306810A1 (fr) | 1999-04-29 |
CA2306810C (fr) | 2007-03-13 |
EP1023522B1 (fr) | 2002-11-20 |
NO20001788L (no) | 2000-06-15 |
DE69809583D1 (de) | 2003-01-02 |
US6394196B1 (en) | 2002-05-28 |
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