EP0380909A2 - Procédé et outil de carottage pour le forage de formations rocheuses souterraines - Google Patents

Procédé et outil de carottage pour le forage de formations rocheuses souterraines Download PDF

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Publication number
EP0380909A2
EP0380909A2 EP90100111A EP90100111A EP0380909A2 EP 0380909 A2 EP0380909 A2 EP 0380909A2 EP 90100111 A EP90100111 A EP 90100111A EP 90100111 A EP90100111 A EP 90100111A EP 0380909 A2 EP0380909 A2 EP 0380909A2
Authority
EP
European Patent Office
Prior art keywords
core
drilling tool
outer housing
main
guide
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.)
Withdrawn
Application number
EP90100111A
Other languages
German (de)
English (en)
Other versions
EP0380909A3 (fr
Inventor
Rainer Dr. Ing. Jürgens
Johann Van Es
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Eastman Christensen Co
Eastman Teleco Co
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 Eastman Christensen Co, Eastman Teleco Co filed Critical Eastman Christensen Co
Publication of EP0380909A2 publication Critical patent/EP0380909A2/fr
Publication of EP0380909A3 publication Critical patent/EP0380909A3/fr
Withdrawn legal-status Critical Current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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
    • 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
    • E21B25/04—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 the core receiver having a core forming cutting edge or element, e.g. punch type core barrels
    • 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
    • E21B4/02—Fluid rotary type drives
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Definitions

  • the invention relates to a method and a core drilling tool for sinking bores in underground rock formations while extracting drilling cores as rock samples according to the preamble of claim 1 and claim 8.
  • the core drilling unit is guided coaxially in the outer housing of the core drilling tool by means of an anti-rotation and guiding device, with the result that when drilling a core the core tube of the core drilling unit coaxially emerges from the outer housing.
  • the outer housing of the core drilling tool accordingly specifies the feed direction for the core tube.
  • the invention has for its object to provide a method and a core drilling tool of the type mentioned, through which an expanded digestion of soil formations by extracting drill cores as rock samples is possible.
  • the invention achieves this object by means of a method according to claim 1 and by means of a core drilling tool according to claim 8.
  • a core drilling tool according to claim 8 With regard to essential further configurations of the method according to the invention, reference is made to claims 2 to 7 and of the core drilling tool according to the invention to claims 9 to 20.
  • the invention provides a directional core drilling method and a directional core drilling tool, by means of which a predetermined directional course can be predetermined for a core hole, which specifically deviates from a generally approximately perpendicular course of conventional core holes.
  • a predetermined directional course can be predetermined for a core hole, which specifically deviates from a generally approximately perpendicular course of conventional core holes.
  • the core drilling tool illustrated in simplified form in FIGS. 1 and 2 comprises in particular an outer housing 1 which can be connected to a drill pipe string with its not shown upper end and carries a drill bit 2 as the main drilling tool at its lower end. Furthermore, the core drilling tool comprises a core drilling unit 4, which is supported in the outer housing 1 and is provided with a deep hole motor 3, which can be pulled up and retracted as a whole by means of a rope 5 and has an upper part 6 which is in the outer housing 1 by means of an anti-rotation and guiding device formed by an axial multi-spline profile part 7 axially displaceably guided and secured against rotation. The upper part 6 of the core drilling unit is provided with reaction surfaces 8 for generating an axially downward feed force.
  • DE-C-37 01 914 For a more detailed configuration of such a core drilling tool, reference can be made to DE-C-37 01 914.
  • the core drilling unit 4 comprises a lower part, which has a core tube 10 driven by the deep hole motor 3 with a core drill bit 11 arranged at its lower end as a core drilling tool, and an inner tube 13, which is freely rotatable in the core tube 10 by means of a bearing device 12, for receiving a drilled core.
  • the core tube 10 With the output shaft 14 of the deep hole motor 3, the core tube 10 is connected at its upper end via a tubular flexible connecting part 15, in its place also a propeller shaft or the like. Connection device can be provided.
  • a guide body 16 is provided with a guide surface 17 for the core tube 10, which defines a guide axis 18 which forms an acute angle 20 with the main axis 19 of the outer housing 1.
  • the guide body 16 in the embodiment according to FIGS. 1 to 3 is designed as an externally cylindrical tubular body and is arranged in a rotationally fixed manner as an installation part in the outer housing 1, for example secured by a feather key, not shown.
  • the guide body as is the case with the guide body 22 of the embodiment according to FIGS. 4 and 5, can be designed as an outside cylindrical tube section and form part of the wall of the outer housing 1.
  • the guide body 16 can be designed as a built-in and retractable into the outer housing 1, only secured in the operating position against rotation in the outer housing 1, so that the possibility of different orientation relative to the outer housing 1 and the exchange of one guide body for another with different angular orientation the guide axis 18, which in a limit case can also run parallel to the main axis 19 of the outer housing 1.
  • the guide body 16 and the guide and anti-rotation device 7 for the upper part 6 of the core drilling unit 4 can be combined to form an assembly which can be pulled open and retracted into the operating position in the outer housing 1, for example via axial spacers (not shown).
  • an as Installation part formed guide body 16 in the outer housing 1 form a part not only secured against twisting, but also against vertical displacement.
  • the guide body 16 or 22 has an inclined cylindrical guide surface 17 formed by a continuous, inclined arranged guide bore and can be provided with an upper funnel-shaped inlet 23 to the guide surface 17.
  • the core drilling unit 4 assumes a position in which the core tube 10 extends into the guide bore of the guide body 16 and receives a corresponding inclination.
  • the core drilling unit 4 is now lowered under guidance along the anti-rotation and guiding device 7 in the outer housing 1 and a core borehole section 26 starting from the sole 24 of a main borehole section is drilled, which has a directional specification corresponding to the angle 20 with respect to the Alignment of the outer housing 1 of the core drilling tool. If the outer casing 1 in the main borehole section 25 is only rotated to change the orientation, several core borehole sections 26 running in different directions can be drilled from one and the same borehole bottom 24 in order to explore the formation environment.
  • a guide mandrel 28 which in turn can be pulled up into an operating position in the outer housing 1 and set down in the outer housing 1 and can be placed in the outer housing 1 by an upper support part 29 which can be inserted into the anti-rotation and guiding device 7 of the outer housing 1 and a mandrel part 30 with a pilot tip 31 projecting downward through the guide body 16.
  • Both Parts 29, 30 are connected by a flexible intermediate connecting part 32, which enables the mandrel part 30 to enter the guide body 16 and to be inclined therein.
  • the outer housing 1 with the main drilling tool 2 is set in rotation from above via the drill pipe string and a main borehole section 25 is drilled along the predrilled core borehole section 26, whereby the core borehole section 26 merges into the subsequent main borehole section 25.
  • the guide mandrel 28 is pulled back and the core drilling unit 4 is deposited in the outer housing 1, after which a new core drilling section 26 can be drilled.
  • a full drilling tool 33 which can be opened and retracted into an operating position in the outer housing 1, can also be placed in the outer housing 1 for the re-drilling of a main borehole section 25, which has an upper, in the operating position with the anti-rotation and guide device 7 of the outer housing 1 in Engaged, tubular support housing part 34 with a deep-hole motor arranged therein and a lower, engaging in the guide body 16 bearing housing part 35, in which a chisel shaft 37 is mounted, which protrudes from the bearing housing part 35 and protrudes from the guide body 16 and the outer housing 1 end a full rotary drilling tool 36 carries.
  • a flexible intermediate housing part 38 is provided between the support housing part 34 and the bearing housing part 35, which enables the bearing housing part 35 to have the inclined orientation shown by the guide body 16.
  • the solid drilling tool 36 can be handled via a safety device 39 at the upper end of the support part 34 and can have any suitable solid rotary drill bit 36 which is used for one receives lateral guidance in the predrilled core borehole section 26, but on the other hand also enables the core borehole section 26 to be re-drilled.
  • the guide body 22 is designed as a tubular component of the wall of the outer housing 1.
  • the outer housing 1 comprises an anti-rotation section 40 and a guide section 41.
  • the upper part 6 of the core drilling unit 4 comprises a tubular housing 42, which is open at the top and is made of antimagnetic material Operational position with the rotation lock section 40 of the two-part rotation lock and guide device 40, 41 is engaged and is designed as a receptacle for a removable orientation control device 43.
  • the orientation control device 43 can be pulled up and retracted separately by means of a cable 44.
  • the outer casing 1 In its operating position, it assumes an orientation which is secured against rotation, for example by a feather key, which can be queried from above and which provides information about the orientation of the guide axis 18 of the guide body 22 of the outer housing 1.
  • the outer casing 1 can be rotated from above via the drill pipe string so that the orientation of the guide axis 18 specifies the desired direction for the core drilling unit 4.
  • the housing 42 of the upper part 6 of the core drilling unit 4 continues downwards in a support section, which consists of a bearing part 45, an internal stator 46 of the deep hole motor 3 and a flexible connecting part 47, on the lower pin part 48 of which the inner tube 13 of the core drilling unit 4 is set.
  • the core tube 10 is connected via a tubular flexible intermediate part 49 to the rotor 50 of the deep-hole motor 3, which is freely rotatably supported by a tubular upper extension 51 via a bearing device 52 on the bearing part 45.
  • the directional drilling method which can be carried out with the core drilling tool according to FIGS. 4 and 5 corresponds to that described in connection with the core drilling tool according to FIGS. 1 to 3.
  • the orientation control device 43 is pulled up and the core drilling process is carried out.
  • the outer casing 1 with its main drilling tool 2 is then driven downward along the core drilling unit 4 serving as a guide means, driven by the drill pipe string.
  • a separately retractable valve body 53 which can be put into an operating position can be provided in the outer housing 1, which, with relative downward movement of the outer housing 1 to the housing 42 of the upper part 6 of the core drilling unit 4, has the same comes into sealing engagement and blocks the drilling fluid flow through the housing 42. This results in an increase in pressure, which can be measured on the surface and used as an indication that the main drilling tool 2 has reached a predetermined distance from the core drilling tool 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP19900100111 1989-02-01 1990-01-04 Procédé et outil de carottage pour le forage de formations rocheuses souterraines Withdrawn EP0380909A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3902869 1989-02-01
DE3902869A DE3902869C1 (fr) 1989-02-01 1989-02-01

Publications (2)

Publication Number Publication Date
EP0380909A2 true EP0380909A2 (fr) 1990-08-08
EP0380909A3 EP0380909A3 (fr) 1992-03-11

Family

ID=6373169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900100111 Withdrawn EP0380909A3 (fr) 1989-02-01 1990-01-04 Procédé et outil de carottage pour le forage de formations rocheuses souterraines

Country Status (5)

Country Link
US (2) US5029653A (fr)
EP (1) EP0380909A3 (fr)
CA (1) CA2008975A1 (fr)
DE (1) DE3902869C1 (fr)
NO (1) NO900458L (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277062A (zh) * 2013-05-29 2013-09-04 吉林大学 深冰下基岩取芯钻具反扭装置
RU2718666C1 (ru) * 2019-08-14 2020-04-13 Дмитрий Семенович Тен Отклонитель для направленного бурения скважин с отбором керна на интервалах искусственного искривления
AT526723A1 (de) * 2022-11-29 2024-06-15 Franz Friesenbichler Dipl Ing Verfahren zur systematisch selektiven Gewinnung von festen mineralischen Rohstoffen

Families Citing this family (25)

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US5148875A (en) * 1990-06-21 1992-09-22 Baker Hughes Incorporated Method and apparatus for horizontal drilling
US5168942A (en) * 1991-10-21 1992-12-08 Atlantic Richfield Company Resistivity measurement system for drilling with casing
US5322135A (en) * 1993-07-23 1994-06-21 Meridian Oil, Inc. Open hole coring method
US5361833A (en) * 1993-11-18 1994-11-08 Triumph*Lor, Inc. Bottom set, non-retrievable whipstock assembly
US5435400B1 (en) * 1994-05-25 1999-06-01 Atlantic Richfield Co Lateral well drilling
US5431219A (en) * 1994-06-27 1995-07-11 Dowell, A Division Of Schlumberger Technology Corp. Forming casing window off whipstock set in cement plug
US5423388A (en) * 1994-08-08 1995-06-13 Hale; Robert G. Direction controllable subsurface borehole tool
US5535822A (en) * 1994-09-08 1996-07-16 Enterra Corporation Apparatus for retrieving whipstock
US5568838A (en) * 1994-09-23 1996-10-29 Baker Hughes Incorporated Bit-stabilized combination coring and drilling system
US5950742A (en) * 1997-04-15 1999-09-14 Camco International Inc. Methods and related equipment for rotary drilling
GB0009008D0 (en) * 2000-04-13 2000-05-31 Edscer William G Apparatus and method for directional of holes
NL1016545C2 (nl) * 2000-11-03 2002-05-07 Fugro Eng Bv Een roteerbare kernboorinrichting en een roteerbaar kernboorsysteem uitgevoerd met een dergelijke roteerbare kernboorinrichting.
US6729416B2 (en) 2001-04-11 2004-05-04 Schlumberger Technology Corporation Method and apparatus for retaining a core sample within a coring tool
BE1014730A3 (fr) * 2002-03-27 2004-03-02 Halliburton Energy Serv Inc Procede et dispositif de carottage et/ou forage devie.
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]
US7387175B2 (en) * 2003-12-22 2008-06-17 Zeer Robert L Window reaming and coring apparatus and method of use
AP2142A (en) * 2004-09-03 2010-08-16 Australian Mud Company Ltd Core Sample orientation.
GB0505788D0 (en) * 2005-03-22 2005-04-27 Roxbury Ltd Method and apparatus for introducing elongate members into the ground
US7381010B2 (en) * 2005-08-29 2008-06-03 Worth Wind, Inc. (Assignee Of The Interest Of Grams, Crass, And Riess) System and method for removal of buried objects
US8613330B2 (en) 2011-07-05 2013-12-24 Schlumberger Technology Corporation Coring tools and related methods
US12352122B2 (en) * 2021-09-10 2025-07-08 International Directional Services LLC Directional core drilling system
CN114658379B (zh) * 2022-05-09 2024-03-12 中国铁建重工集团股份有限公司 定向取芯钻具及其使用方法
CN114658360A (zh) * 2022-05-09 2022-06-24 中国铁建重工集团股份有限公司 防旋转支撑装置及定向取芯钻具
CN118008179A (zh) * 2024-01-24 2024-05-10 长江岩土工程有限公司 一种螺杆马达取心结构及其定向钻孔造斜段的取心技术

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US2571644A (en) * 1948-08-23 1951-10-16 John A Zublin Apparatus for drilling and recovering side wall cores
US2852230A (en) * 1954-03-11 1958-09-16 Empire Oil Tool Co Side wall coring and bottom hole drilling tool
DE1094687B (de) * 1957-10-12 1960-12-15 Tiefbohr Mess Dienst Leutert U Kernbohrer zum Ziehen von orientierten Bohrkernen, bei denen mehrere Abschnitte unabhaengig voneinander orientiert sind
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GB1025092A (en) * 1962-02-12 1966-04-06 Svenska Diamantbergborrnings A Improvements relating to the deflecting of drill holes in diamond drilling
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US4518050A (en) * 1983-06-30 1985-05-21 Chevron Research Company Rotating double barrel core sampler
US4679636A (en) * 1986-10-16 1987-07-14 Ruhle James L Method and apparatus for coring rock
DE3701914C1 (de) * 1987-01-23 1988-05-19 Eastman Christensen Co Direktangetriebenes Kernbohrwerkzeug
DE8810844U1 (de) * 1988-07-25 1988-12-15 Eastman Christensen Co., Salt Lake City, Utah Bohrwerkzeug
DE3825225A1 (de) * 1988-07-25 1990-02-01 Eastman Christensen Co Bohrwerkzeug

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277062A (zh) * 2013-05-29 2013-09-04 吉林大学 深冰下基岩取芯钻具反扭装置
CN103277062B (zh) * 2013-05-29 2015-08-26 吉林大学 深冰下基岩取芯钻具反扭装置
RU2718666C1 (ru) * 2019-08-14 2020-04-13 Дмитрий Семенович Тен Отклонитель для направленного бурения скважин с отбором керна на интервалах искусственного искривления
AT526723A1 (de) * 2022-11-29 2024-06-15 Franz Friesenbichler Dipl Ing Verfahren zur systematisch selektiven Gewinnung von festen mineralischen Rohstoffen
AT526723B1 (de) * 2022-11-29 2025-10-15 Franz Friesenbichler Dipl Ing Verfahren zur systematisch selektiven Gewinnung von festen mineralischen Rohstoffen

Also Published As

Publication number Publication date
NO900458D0 (no) 1990-01-31
EP0380909A3 (fr) 1992-03-11
US5052502A (en) 1991-10-01
US5029653A (en) 1991-07-09
NO900458L (no) 1990-08-02
CA2008975A1 (fr) 1990-08-01
DE3902869C1 (fr) 1990-04-12

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