DE317253C - - Google Patents
Info
- Publication number
- DE317253C DE317253C DENDAT317253D DE317253DA DE317253C DE 317253 C DE317253 C DE 317253C DE NDAT317253 D DENDAT317253 D DE NDAT317253D DE 317253D A DE317253D A DE 317253DA DE 317253 C DE317253 C DE 317253C
- Authority
- DE
- Germany
- Prior art keywords
- rings
- attached
- borehole
- ropes
- chains
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims description 2
- 239000000428 dust Substances 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
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)
Description
Die Erfindung betrifft ein Verfahren zum Offenhalten von Aufbruchbohrlöchern im Bergbau und kennzeichnet sich dadurch, daß mit dem Bohrgestänge Ringe, die mit Ketten oder Seilen in Abständen voneinander an dem Teller unterhalb des Bohrkopfes angehängt sind, über die ganze Länge des Bohrloches eingebracht werden. Die Ringe beeinträchtigen die nachfolgenden Schießarbeiten weniger als geschlossene Rohre und ermöglichen das Offenhalten größerer Bohrlöcher als bisher in wirtschaftlicherer Weise. Nebenbei können die Ringe auch noch in an sich bekannter Weise zur Geradführung des Bohrgestänges verwendet werden.The invention relates to a method for keeping open drilling holes in the Mining and is characterized by the fact that rings with the drill pipe and chains or ropes are attached to the plate below the drill head at a distance from each other, be introduced over the entire length of the borehole. The rings affect the subsequent ones Shooting less than closed pipes and make it possible to keep larger boreholes open than previously in more economical ones Way. In addition, the rings can also be used in a manner known per se for straight guidance of the drill rod will.
Die Zeichnung veranschaulicht die Erfindung in einem Ausführungsbeispiel in Fig. 1 in einer Seitenansicht und in Fig. 2 in einem Querschnitt in größerem Maßstab.The drawing illustrates the invention in an exemplary embodiment in FIG. 1 in a side view and in Fig. 2 in a cross section on a larger scale.
Dicht unterhalb des Bohrkopfes e sind an dem Teller f mit Ketten oder Seilen k o. dgl. und unter Zwischenschaltung eines Kugellagers o. dgl. Ringe g in geeigneten Abständen voneinander angehängt, deren Außendurchmesser dem Bohrlochdurchmesser und deren Innendurchmesser dem Bohrgestängedurchmesser annähernd entsprechen. Um das Herabfallen des Bohrmehls zu erleichtern, können an dem die Bohrspindel c führenden inneren Kranz der Ringe g noch Aussparungen h (Fig. 2) vorgesehen sein. Bei einer jeden Gestängeverlängerung werden gleichzeitig ein oder mehrere Ringe g angehängt, so daß sie selbsttätig in das Bohrloch mit eindringen und hierbei ihrerseits als Geradführung für das Bohrgestänge dienen.Just below the drill head e , rings g are attached to the plate f with chains or ropes k o. In order to make it easier for the drilling dust to fall down, recesses h (FIG. 2) can also be provided on the inner rim of the rings g guiding the drilling spindle c. With each rod extension, one or more rings g are attached at the same time so that they automatically penetrate the borehole and in turn serve as a straight guide for the drill rod.
Claims (2)
Publications (1)
Publication Number | Publication Date |
---|---|
DE317253C true DE317253C (en) |
Family
ID=569918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT317253D Active DE317253C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE317253C (en) |
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0
- DE DENDAT317253D patent/DE317253C/de active Active
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