WO2012039630A1 - Trépan hybride - Google Patents

Trépan hybride Download PDF

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Publication number
WO2012039630A1
WO2012039630A1 PCT/NZ2011/000192 NZ2011000192W WO2012039630A1 WO 2012039630 A1 WO2012039630 A1 WO 2012039630A1 NZ 2011000192 W NZ2011000192 W NZ 2011000192W WO 2012039630 A1 WO2012039630 A1 WO 2012039630A1
Authority
WO
WIPO (PCT)
Prior art keywords
features
drill bit
face
hybrid drill
percussive
Prior art date
Application number
PCT/NZ2011/000192
Other languages
English (en)
Inventor
Gregory Donald West
Roland Greenwood
Original Assignee
Flexidrill Limited
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 Flexidrill Limited filed Critical Flexidrill Limited
Publication of WO2012039630A1 publication Critical patent/WO2012039630A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • 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
    • E21B10/00—Drill bits
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • 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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units

Definitions

  • HYBRID DRILL BIT The present invention relates to hybrid drill bits.
  • the present invention relates to a drill bit (whether for purely drilling or whether for obtaining a core) where there is a profiled face (e.g. any form able to act as a shear cutting bit) able to act in concert with percussive features better able, than the profiled face, to disturb the integrity, or facilitate the removal of the formation of the bore face.
  • a profiled face e.g. any form able to act as a shear cutting bit
  • shear cutters are not suitable for use in very hard rock formations, as these formations easily destroy the cutters.
  • hybrid drill bit that combines the impact action associated with down hole hammers -which are effective at fracturing die formation, with shear cutting elements which are very effective at scraping fractured (by the hammer action) rock formations out of the borehole.
  • the hybrid bit is designed in such a way that the shear cutters are somewhat isolated from the hammer action.
  • US Patent 7546888 of Shell Oil Company discloses a percussive drill bit carrying both axial cutters and shear cutters in a mutually fixed interrelationship so that the axial cutters bear on the formation face in advance of die shear cutters.
  • US Patent 7,104,344 also of Shell Oil Company discloses a mediod of drilling into geological formations where there is a use downhole of both percussive elements and shear or drilling cutters. There is a percussive movement of a predominant and central percussive part (with plural percussive elements extending to the perimeter) relative to the more outwardly arrayed banks of drilling cutters. The drilling cutters have the function of a scraping away of the cracked parts of the formation.
  • US Patent 7,104,344 have, as its percussive element, a structure carrying multiple percussive cutters about which are deployed gangs of drilling cutters.
  • the numbers of percussive cutters greatly outnumber the numbers of drilling cutters.
  • a profiled main drill face with shear cutters (of any shape, or material, or positioned widi positive, negative , or neutral angles of rake, or mixtures thereof) tiiat can be located in any suitable array, including to regions close to the axis of rotation, to scrape away or shear cut the fractured rock more efficiendy
  • the present invention is directed to hybrid drill bits (whether for drilling a bore or for core drilling or otherwise) which incorporates some of these features or which provides an advantage or at least provides a useful choice in the tool choice for rock or downhole formation drillers.
  • die invention is a hybrid drill bit (whether for hole drilling, core sampling or otherwise) comprising or including an assembly, or at least an assembly when associated in use with a drill string, having
  • first component unitary, fabricated or assembled
  • second component unitary, fabricated or assembled
  • relative movement can occur or can be caused (e.g. by a hammering system) between the first and second components such that emergent features emerge, if not always emerged, and/ or emergent features are further emerged from an already emerged condition;
  • the emergent features can have a percussive effect responsive to an appropriate input to the second component (e.g. by such a hammering system).
  • a hammering system can cause said relative movement (whether actively or inwardly or outwardly, or both).
  • a said profiled face is, or includes elements to provide, a shear cutting - or scraping face.
  • shear cutting face or element can be made of any suitable formation shearing and or cutting compound (e.g. diamond, synthetic diamond, tungsten carbide etc).
  • the rake angle of such shear cutting or scraping face can be positive, negative or neutral, or some mixture of those.
  • the invention is a hybrid drill bit (whether for hole drilling, core sampling or otherwise) comprising or including an assembly, or at least an assembly when associated in use with a drill string, having
  • a first component (unitary, fabricated or assembled) providing a profiled face carrying multiple shear cutting elements and having at least one outlet for a flushing fluid
  • a second component (unitary, fabricated or assembled) to provide or providing emergent percussive features through the profiled face of the first component, the number of percussive features being fewer than the number of shear cutting elements;
  • the hybrid drill bit is associated for activation with a magnetic hammering assembly having interacting magnetic arrays providing a hammering affect responsive to a rotational relative movement able to be caused between the magnetic arrays.
  • said profiled face is a shear cutting face.
  • the profiled face may include shoulders, edges, relief features and/ or the like of a hard material (e.g. carbides, PDC, etc) able to effect scraping and/or cutting and/ or sweeping for chip removal purposes (commonly referred to as "shear cutters").
  • a hard material e.g. carbides, PDC, etc
  • a PDC or a diamond impregnated material forms part, if not all, of said profiled face.
  • said hybrid drill bit has provision for the passage of a fluid (e.g. drill fluids) to the bore face and/or from the profiled face.
  • a fluid e.g. drill fluids
  • said emergent features are substantially emergent to die same extent simultaneously under an action diat causes sufficient relative movement to have them standing proud of each adjacent part of said profiled face.
  • said emergent features are protuberances that [when not retracted and/ or forced back] bear on the formation (at least when fully emergent) in preference to parts of the profiled face.
  • the emergent features can be connected to the reciprocating hammer shuttle so they are actively driven into and pulled away from the formation face.
  • preferably shear cutting or the like features of the profiled face preferably follow where it is, or a zone where it is, an emergent member will likely first have encountered the intact rock face and had a sufficient percussive effect to fracture the rock, resulting in less wear on the profiled face relief feature following that emergent feature, and allow the profiled face (shear cutters) to survive in hard formations where they may otherwise be damaged.
  • the invention consist in a hybrid drill bit having reliance on features rotatable together yet movable relative to each other axially of the rotation axis, as a result of energy inputs, of
  • the percussive features (i) are features carried so as to emerge, or emerge more proudly, through a profiled face having the other features (ii).
  • the number of second wear resisting features need not be greater.
  • the invention consist in a hybrid drill bit having reliance on features rotatable together, yet movable relative to each other axially of the rotation axis, as a result of energy inputs, of
  • percussive action Le. of (i) with second wear resisting features; wherein the percussive features (i) are features carried so as to emerge, or emerge more proudly, through a profiled face having the other features (ii);
  • the hybrid drill bit is associated for activation with a magnetic hammering assembly having interacting magnetic arrays providing a hammering affect responsive to a rotational relative movement able to be caused between the magnetic arrays.
  • the hybrid drill bit is for drilling into a hole against a bore face (e.g. whether steered (directional) or unsteered and whether upward, horizontal or vertically downward for any suitable purpose.
  • a bore face e.g. whether steered (directional) or unsteered and whether upward, horizontal or vertically downward for any suitable purpose.
  • it is to be used through rock or formations that may include rock.
  • a drilling fluid or other fluid to pass through at least part of die hybrid drill bit.
  • fluid passage provision is via the profiled face which has a plurality of ports appropriately positioned to provide an efficient outcome.
  • the invention is a hybrid drill bit (whether for hole drilling, core sampling or otherwise) comprising or including an assembly, or at least an assembly when associated in use with a drill string, having
  • first component (unitary, fabricated or assembled) providing a shear cutting face
  • second component (unitary, fabricated or assembled) to provide or providing plural impact elements extending through the first component and actuable to provide a percussive effect or a pounding functionality.
  • the invention is a hybrid drill bit (whedier for hole drilling, core sampling or otherwise) comprising or including an assembly, or at least an assembly when associated in use with a drill string, having
  • a first component (unitary, fabricated or assembled) providing a shear cutting functionality which arises from a profiled face carrying multiple shear cutting elements and having at least one outlet for a flushing fluid, and
  • a second component (unitary, fabricated or assembled) to provide or providing plural impact elements, each extending through the first component and actuable to provide a percussive effect or a pounding functionality.
  • the hybrid drill bit is associated for activation widi a magnetic hammering assembly having interacting magnetic arrays providing a hammering affect responsive to a rotational relative movement able to be caused between the magnetic arrays.
  • the shear cutting elements outnumber the impact elements.
  • the relative movement of the impact elements relative to the first component can occur or can be caused by a hammering system.
  • the impact elements can be energised by any suitable means to have the percussive effect or pounding functionality.
  • the shear cutting face may include shoulders, edges, relief features and/ or the like of a hard material able to effect scraping and/ or cutting and/ or sweeping for chip removal purposes.
  • a PDC or a diamond impregnated material forms part, if not all, of said shear cutting face.
  • said hybrid drill bit has provision for the passage of a fluid (e.g. air, gas, liquids) to the bore face and/or from the shear cutting face.
  • a fluid e.g. air, gas, liquids
  • said impact elements are emergent features, i.e. having sufficient relative movement to have them standing sufficiently proud of each adjacent part of said profiled face to have said percussive effect or pounding functionality.
  • said impact elements when not retracted and/ or forced back bear on solid rock in preference to parts of the profiled face.
  • shear cutting features follow where it is, or a zone where it is, an impact element will likely first have encountered the intact rock face and had a sufficient percussive effect or pounding functionality to create stress fractures within the formation and allow less wear or stress on the shear cutting relief feature following that impact element.
  • the invention consist in the reliance downhole of the formation- face destructive protuberances of a shear cutting drill bit, the protuberances being repeatedly moved to a proud, or more proud, and percussive effect condition on the formation-face under the action of a downhole hammer.
  • the invention is a hybrid drill bit for core sampling comprising or including
  • a plurality of shear cutters carried by die body and projecting from the face; and a percussively driveable bank of percussive elements able to be percussively emergent or more emergent from the face of the body.
  • the invention is any hybrid drill bit satisfying the earlier mentioned criteria where a downhole hammer (air, fluid, magnetic, etc) can repeatedly thrust out, to percussive effect, multiple protuberances.
  • a downhole hammer air, fluid, magnetic, etc
  • these hammering protuberances may or may not be mechanically driven into and out of the drill bit housing.
  • the protuberances are an array disposed in conjunction with shear cutting features not repeated thrust out.
  • the invention consists in, as an assembly, a hammering
  • the invention consists in a method of drilling and/ or core taking which involves the operative use of a hybrid drill bit in accordance with the present invention and/or any of die other assemblies of the present invention.
  • the shear cutters do not suffer from impact from the hammer action
  • the impact forces from the hammer can be spread over relatively few impact teeth—the result is deep and broad fracturing of the formation
  • a low energy requiring magnetic hammering arrangement is all that is required for effective percussive action.
  • the scraping action of the shear cutters is not confined to a small annulus set out from the rotational axis.
  • the impact hammer pre crushes an outer ring of the formation
  • shear cutters scrape out the damaged rock and/or debris from the formation
  • the shear cutters do not suffer from impact stresses (which they ate vulnerable to) - Allows shear cutters to survive in hard rock or other formations
  • Drill fluid is jetted to the formation in the normal way, to assist in removing the fractured debri
  • pill As used herein "drill”, “drilling”, etc relate to a rotary action of whole or part of apparatus able to remove material from a rock surface and/ or bore face.
  • profile face in no way refers to its method of formation. It refers to there being sufficient relief features (whether outstanding and/ or inset from a radial plane of the hybrid drill) presentable to the bore face.
  • adhesive As used herein “emergent”, “proud”, etc includes any sufficient emergence or proudness to achieve an advantageous percussive or pounding affect on the formation.
  • formation or “rock formation” refers to any formation that requires fracturing whether it's rock like or not.
  • a core receiver able to receive materials(s)
  • a hammering device e.g. a magnetic hammering device
  • the apparatus when within a hole casing or drill string is latchable for uplifting as a slug
  • hammers or “hammering” or '3 ⁇ 4ammering systems” is not restricted to hammering systems of a magnetic interaction type reliant upon our creating a shuttling relativity between interactive magnetic arrays. Indeed any form of suitable hammering apparatus can be used e.g. eccentric, hydraulic, downhole and/ or uphole provided it has a downhole affect.
  • This invention may also be said broadly to consist in the parts, elements and features referred to or indicated in the specification of the application, mdividually or collectively, and any or all combinations of any two or more of said parts, elements or features, and where specific integers are mentioned herein which have known equivalents in the art to wliich this invention relates, such known equivalents are deemed to be incorporated herein as if individually set forth.
  • a preferred form of the present invention will now be described with reference to the accompany drawings in which
  • Figure 1 is a sectional view of a hybrid bit assembly in conjunction with a hammer (preferably a magnetic hammer) prior to striking by the hammer of the second component widi its impact bits, percussive elements, or pounding elements to the left,
  • a hammer preferably a magnetic hammer
  • Figure 2 is a similar view to that of Figure 1 but at the moment of contact by the hammer thereby imparting energy to the impact bits that can move, as a gang of fingers, relative to the first component to any extent needed to achieve the percussive effect against the bore face, and, optionally, it also shows how the striker (section 6 later) can be connected to the hammer piston to actively drive the percussive elements in both a downhole and uphole manner.
  • Figure 3 is a frontal view of a preferred core taking tool
  • Figure 4 is the section A-A of Figure 3
  • Figure 4A is the core taking tool with the impacting assembly retracted
  • Figure 4B shows the impacting assembly of Figure 4B energised by the hammer (not shown),
  • Figure 5 shows an isometric view, with some cutaway to show the spline, of a version of tool substantially as in Figures 1 and 2,
  • Figure 6 shows Figure 2 in isometric to show a preferred array of radially located, on plateaux of the profiled face, of the wear resisting elements of that face as well as the reciprocal impact elements,
  • Figure 7 A and 7B show an isometric view of a core taking tool substantially as in Figures 3 and 4 respectively (i.e. retracted and proud or more proud),
  • Figure 8 shows a shear cutter acting alone
  • Figure 9 shows an impact element (angling optional) acting in concert with a shear cutter.
  • Figures 10A to 10E show how an element as a shear cutting face or scraping face (e.g. of diamond, synthetic diamond, tungsten carbide, or the like) can be provided obliquely to provide a positive rake angle better to uplift material shown as being fractured prior to uplift in the drawing sequence, and
  • Figure 11 shows just one possible configuration where such elements of a positive rake angle are present when the bit is to be rotated anticlockwise.
  • any suitable form of hammer can be used.
  • a cylindrical hammering member 1 e.g. as part of a magnetic hammering system and is able to oscillate in the manner described in the aforementioned patent specifications.
  • shuttle or piston is shown splined (better seen in Figure 5) so as to rotate with the tool body 2.
  • the first component 3 carrying fixed features 4 able to act as shear cutters as the whole assembly rotates.
  • pointers 5 Shown generally by the pointers 5 are fluid ports and passageways, of which there will be a number through the first component 3, so as to serve as a flushing function between the tool and the bore face as well as to offer cooling downhole lubrication etc. In any event they also provide an outlet for fluid directed downhole to drive the PDM if used for empowering a preferred magnetic hammering system.
  • the fluid ports can outlet to the face as shown in the isometric views (optionally from ports set back from and between the depicted plateaux of the profiled face).
  • Figure 1 shows fingers provided at their distal region with appropriate impacting shape (and preferably the desired hardness of material), such fingers being reciprocal in the passageways through the first member 3. These fingers move responsive to the left to right movement of the striker plate part 6 of the overall assembly (i.e. being the second component which comprises that member 6 and also the elements 8).
  • This overall assembly is indicated as 7 of course the impact "fingers" can be arranged or places so as to ensure that they impact the formation to the full diameter of the drill bit.
  • FIG. 1 shows a gap between those impact faces.
  • Figure 2 shows the moment of striking at which time the fingers are energised and can move further to the left than shown in Figure 1 if allowed by the formation face against which it bears. At that time the shear cutting features 4 will either stay bearing against the formation face or bounce back from it or bear on chips created previously or by the most recent strike of the impact elements 8.
  • die members 8 are to create stress waves of a rock destructive kind in the formation of the bore face. It is not their function to hold the elements 4 from the bore face.
  • the embodiment as shown in Figures 3 and 4 is of a core taking device having a cutting head body 10 in the form of an annulus that carries shear cutting features, such as 11, around the annulus of the face the shear cutting features.
  • shear cutting features such as 11, around the annulus of the face the shear cutting features.
  • These features 11 act in concert with striking elements 12 able to reciprocate left to right, etc so as to bring impact regions 13 distally thereof to bear against the formation face.
  • the number of impact elements and/or impact regions are of the same order as the shear cutting elements. Alternatively there is a greater number of cutting features to the impact elements and/or impact regions.
  • an impacting assembly 14 (that serves a similar function to the member 6 shown in Figure 1) has been retracted. In the condition as shown in 4B it is impacting to energise the regions 13 of each of the multiple elements.
  • Figures 7 A and 7B show from die face of the tool the movements.
  • the percussive elements are fewer than the number of shear cutting elements to maximise point loading without detracting from drilling performance in formations not requiring the percussive breaking of the formation.
  • the fewer number of impact elements still provide very effective percussive disruption of the formation face in hard formations with manageable energy inputs (preferably to a magnetic hammer downhole) to achieve the effective percussion/ shear cutting synergies.
  • the embodiments shown enable high point loading of the gang or array of percussive elements, choice of how they are arrayed through the shear cutting assembly, choice of array of the shear cutting elements (including into at least near the centre), a profiling of the face to allow flushing fluid porting from at least one recess, selectivity of mode of operation when coupled to a (preferably magnetic) hammering system able to be active/ deactivated despite its preferred downhole disposition, etc.
  • Figure 11 shows a bit to rotate anticlockwise so as to present elements 17 (e.g. of diamond, synthetic diamond, tungsten carbide, or other suitable material) at a positive rake angle (owing to its facial and leading edge presentation whether arising from its shape or its oblique mounting, or some mixture of both).
  • elements 17 e.g. of diamond, synthetic diamond, tungsten carbide, or other suitable material
  • the profile features of the bit of Figure 11 are to operate so that the elements 17 act as in Figures 10A to 10E after an impact element 18 weakens the formation.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne un trépan hybride dépendant d'éléments pouvant tourner ensemble mais qui sont néanmoins mobiles les uns par rapport aux autres axialement par rapport à l'axe de rotation, permettant, suite à des apports d'énergie, de (i) frapper par percussion et par intermittence la formation à l'aide de premiers éléments formant saillie résistants à l'usure; et (ii) cisailler, gratter, balayer et/ou similaires la formation affaiblie et d'éventuels fragments générés par l'action de percussion (par ex. de (i)) à l'aide de seconds éléments résistants à l'usure; les éléments de percussion (i) étant des éléments supportés de manière à émerger, ou à émerger davantage, à travers un côté profilé comprenant les autres éléments (ii); les éléments de percussion (i) étant moins nombreux que les éléments (ii).
PCT/NZ2011/000192 2010-09-21 2011-09-16 Trépan hybride WO2012039630A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
NZ588092 2010-09-21
NZ58809210 2010-09-21
US34488310P 2010-11-04 2010-11-04
US61/344,883 2010-11-04
NZ589004 2010-11-04
NZ58900410 2010-11-04

Publications (1)

Publication Number Publication Date
WO2012039630A1 true WO2012039630A1 (fr) 2012-03-29

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PCT/NZ2011/000192 WO2012039630A1 (fr) 2010-09-21 2011-09-16 Trépan hybride

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WO (1) WO2012039630A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678055A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种刮切-冲击复合式钻头
CN102678052A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种盘刀复合钻头
CN102678050A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种具有冲击切削结构的牙轮复合钻头
CN102678053A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种交叉刮切-冲击复合式钻头
CN102937003A (zh) * 2012-11-08 2013-02-20 泉州市双环能源科技有限公司 一种导向钻井钻头
CN103967408A (zh) * 2014-05-06 2014-08-06 北京信息科技大学 液动冲击钻井工具
CN105156039A (zh) * 2015-07-07 2015-12-16 西南石油大学 一种主动伸缩式复合钻头
CN105649536A (zh) * 2016-04-08 2016-06-08 西南石油大学 一种适用于深部难钻硬地层的主动旋转伸缩式复合钻头
JP2020521895A (ja) * 2017-05-11 2020-07-27 ヨンテク パク 鉄筋コンクリート構造物破砕用エアーハンマービット
CN112901063A (zh) * 2021-02-24 2021-06-04 重庆科技学院 一种射吸式钻井提速工具
US11255128B2 (en) 2020-01-23 2022-02-22 Saudi Arabian Oil Company Drilling boreholes with a hybrid bit
US11268325B2 (en) 2020-03-31 2022-03-08 Saudi Arabian Oil Company Directional drilling
US11473813B2 (en) 2020-05-13 2022-10-18 Saudi Arabian Oil Company Well completion converting a hydrocarbon production well into a geothermal well
US11599955B2 (en) 2021-01-04 2023-03-07 Saudi Arabian Oil Company Systems and methods for evaluating and selecting completion equipment using a neural network

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US6367565B1 (en) * 1998-03-27 2002-04-09 David R. Hall Means for detecting subterranean formations and monitoring the operation of a down-hole fluid driven percussive piston
US7461706B2 (en) * 2001-06-05 2008-12-09 Andergauge Limited Drilling apparatus with percussive action cutter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6367565B1 (en) * 1998-03-27 2002-04-09 David R. Hall Means for detecting subterranean formations and monitoring the operation of a down-hole fluid driven percussive piston
US7461706B2 (en) * 2001-06-05 2008-12-09 Andergauge Limited Drilling apparatus with percussive action cutter

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678055A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种刮切-冲击复合式钻头
CN102678052A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种盘刀复合钻头
CN102678050A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种具有冲击切削结构的牙轮复合钻头
CN102678053A (zh) * 2012-05-18 2012-09-19 西南石油大学 一种交叉刮切-冲击复合式钻头
CN102937003A (zh) * 2012-11-08 2013-02-20 泉州市双环能源科技有限公司 一种导向钻井钻头
CN103967408A (zh) * 2014-05-06 2014-08-06 北京信息科技大学 液动冲击钻井工具
CN105156039A (zh) * 2015-07-07 2015-12-16 西南石油大学 一种主动伸缩式复合钻头
CN105649536A (zh) * 2016-04-08 2016-06-08 西南石油大学 一种适用于深部难钻硬地层的主动旋转伸缩式复合钻头
JP2020521895A (ja) * 2017-05-11 2020-07-27 ヨンテク パク 鉄筋コンクリート構造物破砕用エアーハンマービット
US11255128B2 (en) 2020-01-23 2022-02-22 Saudi Arabian Oil Company Drilling boreholes with a hybrid bit
US11268325B2 (en) 2020-03-31 2022-03-08 Saudi Arabian Oil Company Directional drilling
US11473813B2 (en) 2020-05-13 2022-10-18 Saudi Arabian Oil Company Well completion converting a hydrocarbon production well into a geothermal well
US11674718B2 (en) 2020-05-13 2023-06-13 Saudi Arabian Oil Company Well completion converting a hydrocarbon production well into a geothermal well
US11599955B2 (en) 2021-01-04 2023-03-07 Saudi Arabian Oil Company Systems and methods for evaluating and selecting completion equipment using a neural network
CN112901063A (zh) * 2021-02-24 2021-06-04 重庆科技学院 一种射吸式钻井提速工具

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