Matches 1 - 50 out of 72 1 2 >


Match Document Document Title
DE202017106420U1 Seal unit for drill pipe  
A sealing unit (1) for a shaft or a drill string (4, 4.1), which when being used can undergo both a rotation (4R, 4R1, 4R2) and a longitudinal displacement (4A), characterized in that the sealing...
DE102017005548A1 wellhead  
The invention relates to a boring head for boring boreholes, comprising a boring head housing, a drill bit (8) arranged at the lower end thereof and a connecting area arranged at its upper end for...
DE112013007241T5 Downhole tool and method for increasing fluid pressure and annular space velocity  
One disclosed embodiment of a downhole tool includes a pump which is driven by rotation of the drill string to increase fluid pressure during the underground circulation.
DE202014006208U1 Drilling for creating a bore in contaminated soil  
Drilling device for creating a bore in contaminated soil, with a drilling tool comprising a drill pipe, characterized in that in an upper area of ​​the drill pipe a rotary transmission leadthrough...
DE102013000771A1 Device for conveying drill cuttings  
The invention relates to a device for prompting for a drilling tool (113) during the creation of a borehole (101, 102) for laying a pipeline dissolved cuttings with at least one pump (12) for...
DE202006021233U1 Mobile liquid delivery device for a power tool  
Mobile liquid delivery device (2) for a tool unit (4) with a hot liquid outlet (18), a dirty liquid access (28) and a storage volume, the one with the hot liquid outlet (18) fluidically...
DE112010004045T5 Hydrocarbon operating fluids and methods for their use  
Fluids for use in hydrocarbon recovery processes include water and at least one organo-anionic surfactant. The fluids can be used in procedures to carry out hydrocarbon recovery operations, such...
DE102011013112A1 Drilling rig, particularly horizontal drilling rig, has drilling rod, which carries drilling tool and is driven by drill drive, and modular pump station consisting of two pump units for conveying drilling fluid  
The drilling rig has a drilling rod, which carries a drilling tool and is driven by a drill drive (5), and a modular pump station (4) consisting of two pump units for conveying the drilling fluid....
DE102010010036B4 Drilling with sealing arrangement and method for operating a Bohrantriebseinheit  
The invention relates to a drilling device with a sealing arrangement for sealing an annular space which is formed between an inner rod and an outer rod of a drilling device, with an elastic...
DE102010015466A1 Earth drilling fixture has drive device and drill pipes, which has connected linkage shots and is formed as hollow for transport of drilling liquid  
The earth drilling fixture has a drive device and drill pipes, which has connected linkage shots (6) and is formed as hollow for the transport of a drilling liquid. The drilling liquid is...
DE10115233C5 horizontal drilling  
Horizontal drilling rig, comprising a chassis (10) on which a Bohrrampe (18) for guiding the drill string, a rod magazine (22) for receiving individual drill rods, a drive unit (24) for the...
DE102010010036A1 Sealing arrangement for sealing annular space formed between interior connecting rod and exterior connecting rod of drilling drive unit of drilling device, has elastic sealing element for sealing gap of annular space  
The sealing arrangement (90) has an elastic sealing element (20) for sealing a gap of an annular space (4). An axial block (25) is provided for the sealing element. An adjustable pressing element...
DE10258963B4 Device for directional drilling of boreholes in soil  
has means for directional drilling of bore holes (2) with a borehole wall (3) in the bases (4), with a hanging to a drill string drill head (5), which in rotational movement is displaceable by...
DE20222014U1 Device for directional drilling of boreholes in soil  
has means for directional drilling of bore holes (2) with a borehole wall (3) in the bases (4), with a hanging to a drill string drill head (5), which in rotational movement is displaceable by...
DE102009014119A1 Emulsion-based cleaning composition for oilfield applications  
The present invention relates to an emulsion consisting of an oil phase and an aqueous phase, and comprising as components emulsion(Α1) from 15 to 40 wt .-% of at least one water-immiscible...
DE102008007169A1 Mine for use with equipment for use as power plant, power plant requirement or pump water power plant, has water pipeline system and water reservoir for water retention for water supply for electricity production by hydraulic power  
The mine has water pipeline system, water reservoir for water retention for water supply for electricity production by hydraulic power, hoppers or bottom plates (S1,S2,S3), a bar or an underground...
DE202008009050U1 An earth boring  
An earth boring with a rotary drive and a one with the rotary drive via Shaft (2) connected to the drill head, characterized in that the shaft (2) at least partially axially along a tube (4) with...
DE102007062229A1 Fluid pumping system for a downhole tool, method for controlling a pump of a downhole tool and method for operating a pumping system for a downhole tool  
It be a downhole formation fluid pump and a sampling device created, the part of a tool for formation evaluation while form drilling or part of a drill string tool can. The operation of the pump...
DE202008004473U1 Bohrantriebseinheit a Doppelbohrgestänge  
Bohrantriebseinheit for a Doppelbohrgestänge with an external pole and an inner rod, With - a front drill drive (1) for the outer column, - a rear rotary drive (2) for the inner rod, which...
DE102006059171B3 Double drilling-rod type drilling installation, has connection on outer rod for forming liquid connection to annular cavity between rods  
A drilling device has a double drilling rod arrangement, at least one drive, and a connection device (9) on the outer drilling rod (2) for forming a liquid-connection to the annular cavity formed...
DE102006042046A1 Drilling and drilling  
The Invention relates to a process for the preparation of a borehole (2), wherein- A drill head (11) by means of a drill string (10), which is rotated by a drill drive (8) is lowered and- The...
DE102006003769A1 Clearing and removing drilling material from a horizontal bore involves using flow of flushing material that loosens and transports drilling material produced by supplying gaseous medium released at one or more points in bore  
The method involves using a flow of flushing material (2) that loosens and transports the drilling material. The flushing flow is produced by supplying a gaseous medium that is released at one or...
DE4335417B4 Suction of a drilling or chipping tool  
suction (8) separating means (11) for separation of dust on a hand-held drilling or chiselling, releasably with the drilling and chiselling is connected, wherein the separation device (11), of the...
DE102005016884A1 pump system  
At the Pump system for conveying washing liquid during excavation or the sinking bores in the pump unit a is a Drive and a driven gear train with the comprehensive Rotary drive means is...
DE19918775B4 Mixing apparatus for the production of a drilling fluid for horizontal boring has a high pressure pump and a pipe for addition medium  
Mixing apparatus has a high pressure pump (7) and a pipe (21) for the addition medium. The pipe (21) is arranged in the flow direction in front of the high pressure pump (7). - An INDEPENDENT...
DE102004028371A1 Percussive tool with swivel  
A Machine tool (1) with an impact means (5), via which an at least partially along an axis (A) striking drivable striking tool (2) with a at least partially along by a tool shank (3) extending...
DE10340394B4 An apparatus for fastening anchoring means  
device for fastening anchoring means in solid substrates by Introducing a curable mortar composition and the anchoring means in a provided in the fixed base Borehole and curing the mortar...
DE202005005868U1 Electric borehole pump assembly, especially for water, has projecting balls in the walls of the cylinder and support to lock the pump at the required level in the casing  
The electric borehole pump (2) assembly has a damper (4) in a toroid shape, between the flange of the support (3) and the yoke (5). Compensation openings, which can be closed, are within the...
DE102004048615A1 Well treatment system for achieving transient underbalance condition in wellbore, comprises surge charge adapted upon activation to penetrate housing and not penetrate material exterior of housing  
A well treatment system (8) comprises a housing (22) forming a sealed surge chamber, and a surge charge disposed within the sealed surge chamber. The surge charge is adapted upon activation to...
DE102004045093A1 Automatisches Abwärtsverbindungsssystem  
Ein Abwärtsverbindungssystem, beinhaltend wenigstens eine Spülpumpe zum Pumpen von Bohrfluid von einem Bohrfluidlagertank zu einem Bohrsystem, einem in Fluidkommunikation mit der Spülpumpe und mit...
DE10340394A1 Method of fastening anchoring devices such as anchoring rods or concrete ties into a fixed base such as concrete or masonry where the anchoring mortar is hardened by microwaves  
The fastening method involves applying a settable mass of mortar and the anchoring device into a bore hole in the fixed ground or base and then hardening or setting the mortar. The hardening of...
DE10115233B4 horizontal drilling  
Horizontal drilling rig, comprising a chassis (10) on which a Bohrrampe (18) for guiding the drill pipe, a rod magazine (22) for receiving individual drill rods, a drive unit (24) for the chassis...
DE10146025B4 Method and system for horizontal Erdbohren and impact tip and method for starting a striking tool  
process for horizontal Erdbohren, especially for rock drilling, means a rotary and percussion drilling apparatus vortreibbaren, characterized that the Device (1) alternately supplied with...
DE10328609B3 Wet-drilling tool for drilling a hole in the ground comprises a passage device having a tubular dome with an inlet opening above a collecting container and a connecting rod connection for a boring rod  
Wet-drilling tool (10) comprises a jacket (15) having a drill bit (8) on its under side and a cover (11) on its upper side provided with at least one passage device for the passage of a liquid, a...
DE10310726B3 Core drilling arrangement with flushing has container for bore flushing with core material released from tube arranged in upper region of core drilling tube into which pump feeds, overflow openings  
The arrangement has a suction pump (1) at the upper part of a core drilling tube (8) driven by a motor (4) controlled by a switch/controller (12) and supplied by an energy storage device (7) on...
DE10258963A1 Hydraulic drilling of well borehole in ground containing coarse clays, cuts layer from borehole walls mechanically when pulling drillstring, with continued flow of drilling fluid  
A layer is taken off the borehole wall (3) over a set height, as the drilling head (5) is pulled, i.e. raised out. As in the case of downward drilling, the drilling fluid carries off the drillings...
DE10258301A1 Vacuum cleaner hose adapter has ceiling suction pad with extension tube and universal joint to nozzle close to falling drilling debris  
A vacuum cleaner has a pipe terminating in an adapter (1) with a combined suction pad (3) and a further pipe (4) with one or more universal joints (5) and a nozzle(6). The suction pad is applied...
DE10258220A1 Production of borehole, for conveying crude oil from underwater regions, involves using drill string comprising pipes made from light high strength material and drill head  
Production of a borehole (1) involves using a drill string (2) comprising pipes (2R) and a drill head (3). The pipes of the drill string and the pipes (4R) of a lining (4) are made from a light...
DE10163259C1 Inhibition of gas hydrate formation, useful in transport in petroleum and natural gas industry and in drilling mud, uses polymer with vinyl alcohol, vinyl or allyl ester and optionally acetal and/or other units  
Use of 0.01-2 wt.% polymer as gas hydrate inhibitor is claimed, in which the polymer has a number average molecular weight Mn of 1000-1000000 g/mole and consists of (a) 1-70 mole-% vinyl alcohol...
DE10205826A1 Laying a buried pipe uses a flow of a suspension to reduce friction, to be mixed with the displaced ground spoil, to form a seal in the ring gap around the pipe wall in the ground  
To lay buried pipes, with an underground pipe driving system (69), a suspension (20) to reduce friction is mixed with the ground spoil, to give a mixture (31) in the ring gap (32) between the...
DE10229837A1 Polymeric, acrylamide-free water retention agent  
This polymeric acrylamide-free water retention agent, inter alia, for drilling fluids in the high temperature range based on vinyl-containing sulfonic acids can consist of the two main components...
DE20215147U1 Pilot hole cutter for small bore tunnel has hydraulic jet cutting head  
In preparation for the tunnel construction of a main drain or sewer of constant gradient, a pilot tunnel is cut by a pilot cutting tool lowered into a trench (5). The pilot tool first cuts a...
DE10104104A1 Device, for removing fluid soil samples, comprises driven rod assembly having rinsing opening, stop valve in rinsing agent line and return flow bore with stop valve  
Device for removing fluid soil samples comprises a driven rod assembly (3) having a rinsing opening (9), a stop valve (12) in a rinsing agent line (10, 18) and a return flow bore (19, 20) with a...
DE10146025A1 Pneumatic Felsbohrvorrichtung  
The invention relates to a method for horizontal ground-boring, in particular for rock-boring, by means of a rotating and hammering driven ground-boring device, whereby the device is alternately...
DE19852971A1 Lubricant for drilling fluids  
The invention relates to the use of partial glycerides of predominantly unsaturated C16-24- fatty acids, preferably with a pour point measured according to DIN ISO 3061 of max. 10 DEG C,...
DE19918775A1 Mixing apparatus for the production of a drilling fluid for horizontal boring has a high pressure pump and a pipe for addition medium  
Mixing apparatus has a high pressure pump (7) and a pipe (21) for the addition medium. The pipe (21) is arranged in the flow direction in front of the high pressure pump (7). An independent claim...
DE19831383A1 Power tool with integrated dust collection container, which is particularly safely joined with valve on dust inlet and hook on top and has easy exchangeable filter positioned in top lid  
The dust is transported from the working area (16) of the power tool (10) by a fan wheel (19) into the collection container (21) sealed at the inlet (22). A pleated filter (48), provided with...
DE19827173A1 Dust suction system for hand power tool  
A dust suction system for a power hand tool has a dust collecting cowl positioned near the working tool and with a suction chamber to collect the grit and dust. The suction chamber is fitted with...
DE19813087A1 Drilling device with tubular outer drill stem through which injection drill stem extends  
A ring drill crown is fixed at the front end of the outer drill stem (10) and a central drill crown is coupled to the outer drill stem to rotate with it and to receive strokes. The central drill...
DE19749771C1 Packing material deposition method for supply line laying  
The deposition method feeds the packing material (10) to the annular space (8) between the supply line and the immediate environment during the supply line laying, with pressure regulation and...

Matches 1 - 50 out of 72 1 2 >