US3596722A - Boring unit, in particular for small and middle depths - Google Patents

Boring unit, in particular for small and middle depths Download PDF

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Publication number
US3596722A
US3596722A US855094A US3596722DA US3596722A US 3596722 A US3596722 A US 3596722A US 855094 A US855094 A US 855094A US 3596722D A US3596722D A US 3596722DA US 3596722 A US3596722 A US 3596722A
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United States
Prior art keywords
borehole
cylindrical body
bar
rotary drilling
boring unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US855094A
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English (en)
Inventor
Pierre Jean Marie Theod Allard
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Individual
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Individual
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Publication date
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Publication of US3596722A publication Critical patent/US3596722A/en
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    • 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
    • E21B4/20—Drives for drilling, used in the borehole combined with surface drive
    • 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
    • E21B10/003—Drill bits with cutting edges facing in opposite axial directions
    • 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
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting

Definitions

  • the present invention has essentially for its object a boring unit more particularly adapted to carry out small and middle depth boring.
  • the unit according to the invention is of the type using:
  • a rotary drilling tool mounted in the said body and projecting thereunder, driven in rotation relative to the said body, for instance by a hydroelectric set comprising at least one electric motor which drives at least one hydraulic pump feeding at least one hydraulic motor,
  • the boring unit according to the invention is of a simplified type providing a very light construction at a lower cost and allowing for economical use of such a unit economically, notably on small worksites.
  • the invention has for its purpose to avoid the aforementioned drawbacks.
  • the means serving to lower the aforementioned boring-unit body and to drive the tool axially into the borehole comprise at least one rigid bar, stern, rod or the like, or a string of such bars or stems, the upper end of which is solid with means which are arranged at the surface and hold the said bars against rotation, while the lower end of the said bars is solid with the said body in rotation as well as in translation.
  • the means for holding the bars against rotation advantageously comprise a fixed plate or tray provided with an opening of polygonal section or the like through which slide the said bars having a similar corresponding section.
  • the drilling mud used to lubricate the tool is pumped into a circuit or system which comprises settling tanks constituted by buckets or vats which are directly transportable by lorry. In this way it becomes easier to eliminate the trail cuttings as the boring proceeds and to remove the same from the worksite.
  • FIG. 1 is a sectional view of a boring unit proper, according to the invention.
  • FIG. 2 is aview, to a smaller scale, showing how the unit of HO. 1 may be used in aboring plant designed according to the invention.
  • the boring unit comprises a body 10 mounted solid with a polygonal bar 11, hanging on to a cable 12 which passes round the sheave 13 of the jib 14 of a crane truck 15.
  • the truck 15 comprises a winch 16 for hauling the cable 12, the said winch being driven by a motor 17.
  • Guys 18 and blocking jacks l9 ensure the fixing of the device upright with respect to the borehole 20.
  • a guide pipe 21 is advantageously placed at the inlet of the borehole 20.
  • the drilling tool 22 Projecting under the body 10 is the drilling tool 22 which comprises several toothed bits or crowns 23, 24, 25.
  • the tool 22 is driven in rotation by a hydraulic motor 26 fed by a pump 27 driven by an electric motor 28 which is itself fed through a supply cable 29.
  • the reference numeral 270 designates filter means of the pump 27.
  • the electric motor 28 is advantageously housed in a sealed oil casing 30.
  • the drilling water and mud are conveyed to the tool 22 through a pipe 31 which opens into a conduit 32, 33, 34 at the center of the tool 22, thus ensuring the lubrication of the latter.
  • a pipe 31 which opens into a conduit 32, 33, 34 at the center of the tool 22, thus ensuring the lubrication of the latter.
  • the bearings of the tool 22 in the sleeve 38 of the body 10 while at 39 there is shown a toothed ring integral with the hub 40 of the tool and driven by the pinion 41 of the motor 26.
  • the bar 11 of the Kelly type slides in a fixed plate 42 which is carried by the truck and is provided with an opening whose section corresponds with that of the bar 11.
  • the bar 11 and the body 10 which is solid therewith can slide along the axis z'z of the borehole, but cannot rotate.
  • the boring crowns or bits are driven in rotating in the borehole, the feed motion being obtained as a result of the axial thrust exerted on the body 10.
  • This thrust may result solely from the weight of the body 10 and the bar 11.
  • a fluid-actuated thrust device may be associated with the bar 11.
  • FIG. 1 is the position of the upper toothed crown or bit 25 which enables to withdraw the tool even in the event of a fall of earth in the borehole.
  • the pipe 31 and the cable 29 are paid out.
  • they are wound round a drum 43.
  • the pipe 31 is fed through a conduit 44 from a pump 45 which draws the water from a tank 46.
  • the tank 46 is the third of a series of three settling tanks 46, 47, 48 in which successively settles the drilling mud which rises and is taken out from the borehole at 49,
  • These tanks are advantageously constituted by buckets which may be loaded directly onto a lorry.
  • the disaggregated earth settling in the first bucket 48 is readily eliminated as it gathers.
  • the invention is by no means limited to the form of embodiment described and represented which has been given by way'of example only.
  • the invention comprises all thetechnical equivalents of-the means described as well as their combinations, if these are carried out according to the spirit-of the invention,
  • a boring unit in particular for small and middle depths including: a substantially cylindrical body hanging from a hoisting apparatus and adapted to be lowered into a borehole; rotary drilling means provided at the end of said cylindrical body and including boring crowns, at least one of which has its teeth directed towards the inlet of said borehole; electrical and hydraulic means mounted in said cylindrical body for driving the said rotary drilling means in rotation relative to said cylindrical bod-y; bar means actuated by said hoisting apparatus-for axially lowering said cylindrical body while axially driving said rotary drilling means into said borehole; means carried by saidhoisting apparatus for axially guiding said bar means while holding the latter against rotation, the said bar means being solidwith said cylindrical body in rotation as well as in translation; and means for recovering the drilling waste from said borehole.
  • a boring unit according to claim 1, wherein the said means for holding the said bar means against rotation include a fixed plate provided with an opening of polygonal section through which the said bar means are adapted to slide, the said bar means having a similar corresponding cross section.
  • said electrical and hydraulic means include a hydroelectric set with an electric motor which drives a hydraulic pump feeding at least one hydraulic motor adapted to rotate said rotary drilling means, and an auxiliary pump for the circulation ofthe drilling mud.
  • a boring unit according to claim 1, wherein the said means for recovering the waste or spoils comprise successive settling tanks constituted by buckets or vats which can be loaded onto a lorry.
  • a boring unit in particular for small and middle depths including: a substantially cylindrical body hanging from a hoisting apparatus and adapted to be lowered into a borehole; rotary drilling means provided at the end of said cylindrical body; electrical and hydraulic means mounted in said cylindrical body for driving the said rotary drilling means in rotation relative to said cylindrical body, said electrical and hydraulic means comprising a hydroelectric set with an electric motor which drives a hydraulic pump feeding at least one hydraulic motor adapted to rotate said rotary drilling means, and an auxiliary pump for the circulation of the drilling mud; bar means actuated by said hoisting apparatus for axially lowering said cylindrical body while axially driving said rotary drilling means into said borehole; means carried by said hoisting apparatus for axially guiding said bar means while holding the latter against rotation, the said bar means being solid with said cylindrical body in rotation as well as in translation; with said hoisting apparatus including drum means around which an electric supply cable for said electric motor and a flexible pipe for conveying said drilling mud to said rotary drilling means, are wound; and means for recovering the drilling
  • a boring unit wherein the said means for holding said bar means against rotation include a fixed plate provided with an opening of polygonal section through which the said bar means are adapted to slide, said bar means having a similar corresponding cross section.
  • a boring unit according to claim 6, wherein said means for recovering the waste comprise successive settling tanks constituted by buckets which can be loaded onto a lorry.

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  • 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)
US855094A 1968-09-13 1969-09-04 Boring unit, in particular for small and middle depths Expired - Lifetime US3596722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR166062 1968-09-13

Publications (1)

Publication Number Publication Date
US3596722A true US3596722A (en) 1971-08-03

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ID=8654519

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Application Number Title Priority Date Filing Date
US855094A Expired - Lifetime US3596722A (en) 1968-09-13 1969-09-04 Boring unit, in particular for small and middle depths

Country Status (6)

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US (1) US3596722A (xx)
BE (1) BE738400A (xx)
CH (1) CH499007A (xx)
DE (1) DE1946400A1 (xx)
FR (1) FR1588889A (xx)
GB (1) GB1249938A (xx)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043405A (en) * 1974-11-16 1977-08-23 Koehring Gmbh Pile-driving arrangement
US4098359A (en) * 1977-06-13 1978-07-04 Birdwell J C Hydraulically operated downhole motor
US4211291A (en) * 1978-03-06 1980-07-08 Smith International, Inc. Drill fluid powered hydraulic system
US4278136A (en) * 1979-03-20 1981-07-14 Hansson Goete I Sinkerdrill
US4304309A (en) * 1979-02-16 1981-12-08 Dome Petroleum Limited Surface drilling apparatus
US6655474B1 (en) * 1999-03-11 2003-12-02 I.M.T. S.P.A. Drill for making wide diameter and high depth holes and method for carrying out said holes
US20130062126A1 (en) * 2011-09-08 2013-03-14 Garry Thorne Geological Drill
US20130142678A1 (en) * 2009-05-06 2013-06-06 Baker Hughes Incorporated Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305549A1 (fr) * 1975-03-28 1976-10-22 Galinet Paris C Dispositif de forage, notamment pour l'execution de pieux
GB2178089A (en) * 1985-07-20 1987-02-04 Nytol Ets Lts Drilling apparatus
DE3910266A1 (de) * 1989-03-30 1990-10-04 Gerhard Bihler Elektrische meisseldirektantriebe
DE102008028997B4 (de) * 2008-06-20 2012-03-01 Dr. Sven Becker und Dr. Michael Bahns GbR (vertretungsberechtigter Gesellschafter: Dr. Sven Becker, 30655 Hannover) Bohrverfahren und Bohrgerät zur Herstellung eines Bohrlochs in Erde und Gestein

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1482702A (en) * 1922-10-09 1924-02-05 Charles C Scharpenberg Fluid-operated well-drilling apparatus
US1666461A (en) * 1924-06-17 1928-04-17 Charles A Lord Apparatus for sinking oil wells
US1747908A (en) * 1923-08-11 1930-02-18 Universal Rotary Bit Company Rotary drill bit
US2013070A (en) * 1934-10-02 1935-09-03 Donald R Sheridan Oil well drilling apparatus
US2105091A (en) * 1936-04-04 1938-01-11 Charles W Mackay Well drilling rig
US2491908A (en) * 1945-08-11 1949-12-20 James E Roberts Earth drilling device
US2827263A (en) * 1954-08-27 1958-03-18 American Percussion Tool Compa Well drilling equipment
US2858108A (en) * 1953-04-22 1958-10-28 Drilling Res Inc Well drilling system
US2910274A (en) * 1956-06-07 1959-10-27 Loren F Scott Excavating apparatus
US3433312A (en) * 1967-06-01 1969-03-18 Mobil Oil Corp Process for recovering valuable components from drilling fluid

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1482702A (en) * 1922-10-09 1924-02-05 Charles C Scharpenberg Fluid-operated well-drilling apparatus
US1747908A (en) * 1923-08-11 1930-02-18 Universal Rotary Bit Company Rotary drill bit
US1666461A (en) * 1924-06-17 1928-04-17 Charles A Lord Apparatus for sinking oil wells
US2013070A (en) * 1934-10-02 1935-09-03 Donald R Sheridan Oil well drilling apparatus
US2105091A (en) * 1936-04-04 1938-01-11 Charles W Mackay Well drilling rig
US2491908A (en) * 1945-08-11 1949-12-20 James E Roberts Earth drilling device
US2858108A (en) * 1953-04-22 1958-10-28 Drilling Res Inc Well drilling system
US2827263A (en) * 1954-08-27 1958-03-18 American Percussion Tool Compa Well drilling equipment
US2910274A (en) * 1956-06-07 1959-10-27 Loren F Scott Excavating apparatus
US3433312A (en) * 1967-06-01 1969-03-18 Mobil Oil Corp Process for recovering valuable components from drilling fluid

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043405A (en) * 1974-11-16 1977-08-23 Koehring Gmbh Pile-driving arrangement
US4098359A (en) * 1977-06-13 1978-07-04 Birdwell J C Hydraulically operated downhole motor
US4211291A (en) * 1978-03-06 1980-07-08 Smith International, Inc. Drill fluid powered hydraulic system
US4304309A (en) * 1979-02-16 1981-12-08 Dome Petroleum Limited Surface drilling apparatus
US4278136A (en) * 1979-03-20 1981-07-14 Hansson Goete I Sinkerdrill
US6655474B1 (en) * 1999-03-11 2003-12-02 I.M.T. S.P.A. Drill for making wide diameter and high depth holes and method for carrying out said holes
US20130142678A1 (en) * 2009-05-06 2013-06-06 Baker Hughes Incorporated Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid
US9133832B2 (en) * 2009-05-06 2015-09-15 Baker Hughes Incorporated Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid
US20130062126A1 (en) * 2011-09-08 2013-03-14 Garry Thorne Geological Drill
US9016402B2 (en) * 2011-09-08 2015-04-28 Garry Thorne Geological drill

Also Published As

Publication number Publication date
FR1588889A (xx) 1970-03-16
BE738400A (xx) 1970-02-16
DE1946400A1 (de) 1970-03-19
GB1249938A (en) 1971-10-13
CH499007A (fr) 1970-11-15

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