Class / Patent application number | Description | Number of patent applications / Date published |
175067000 | Boring by fluid erosion | 18 |
20080217066 | Lubricated pilot tubes for use with auger boring machine pilot steering system - A pilot tube for an auger boring machine has a lubrication through passage formed therein through which water or another lubricant may be pumped during the driving of the pilot tube to facilitate formation of a pilot hole in the earth which is subsequently followed by an auger in forming a trenchless hole for laying underground pipe. Preferably, the lubrication passage extends to exit openings adjacent or on a steering head. A lubrication feed swivel is connected the trailing end of the pilot tube for feeding the water into the pilot tube while allowing rotation of the pilot tube for the steering thereof during the process of driving the pilot tube. | 09-11-2008 |
20080283299 | Hydrajet Tool for Ultra High Erosive Environment - The present invention relates to an improved method and system for perforating, slotting, and cutting steel and subterranean rock; and also for fracturing a subterranean formation to stimulate the production of desired fluids therefrom. The invention involves a fluid jetting device with a sleeve composed of a hard material. The sleeve includes at least one hole and a fluid flowing through the jetting device is emitted through the hole in the sleeve. | 11-20-2008 |
20090078464 | MICROTUNNELING METHOD - A microtunneling method includes: (a) forming a working well; (b) boring a tunnel from the working well through waterjet techniques which use at least one waterjet cutter including a jet seat and a jet nozzle mounted rotatably on the jet seat, the tunnel being bored by moving progressively the jet seat along a circular path and by rotating the jet nozzle relative to the jet seat; (c) removing excavated soil, rocks or gravel from the tunnel; and (d) advancing the waterjet cutter along an axis of the circular path. | 03-26-2009 |
20090145665 | METHOD AND APPARATUS FOR SELECTIVE SOIL FRACTURING, SOIL EXCAVATION OR SOIL TREATMENT USING SUPERSONIC PNEUMATIC NOZZLE WITH INTEGRAL FLUIDIZED MATERIAL INJECTOR - An apparatus and associated method of soil working is provided for performing one or more of soil fracture, soil excavation and soil treatment. The method comprises the steps of: supplying a source of pressurized gas; supplying a source of fluidized material; positioning a nozzle adjacent the soil; directing a stream of the pressurized gas through the nozzle at the soil being worked; and entraining a stream of fluidized material in the gas stream prior to the stream reaching the soil. | 06-11-2009 |
20090200084 | Injection System and Method - An injection system and method is described. In several exemplary embodiments, the injection system and method may be a part of, and/or used with, a system and method for excavating a subterranean formation. | 08-13-2009 |
20090205871 | Shot Blocking Using Drilling Mud - A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are passed between a drill string to a body member for discharge from the body member to remove at least a portion of the formation. The flow of the suspension between the drill string and the body member is controlled by an ultra shearing drilling mud in order to prevent the impactors from settling near the bottom of the formation. | 08-20-2009 |
20090288884 | Method and apparatus for high pressure radial pulsed jetting of lateral passages from vertical to horizontal wellbores - An apparatus and system that permits radial passages and lateral passages to be jetted into surrounding subsurface formation from existing or new wells. The system employs a casing cutting component that positionable by an anchored indexing device downhole to permit the formation of accurately positioned openings in the well casing. The system employs a passage jetting component employing extreme high jet fluid pressures and a method that allows for the downhole manipulation of the components so that the radial and lateral passages are achieved by minimum pulling work on casing, tubing or other components. The system is fully controllable and reduces dramatically the margins of error and failure that are inherent of the present day systems used for radial drilling. | 11-26-2009 |
20090321141 | Methods and Apparatus for Wireline Drilling On Coiled Tubing - Apparatus for drilling an underground borehole, comprising:
| 12-31-2009 |
20110147088 | APPARATUS AND METHOD FOR CONTROLLING THE FEED-IN SPEED OF A HIGH PRESSURE HOSE IN JET DRILLING OPERATIONS - A jetting hose is conveyed downhole retracted on the end of a tubing string (coiled tubing) for jetting lateral boreholes from a main wellbore. The apparatus allows the operator to sense the speed at which the jetting hose and nozzle are penetrating the formation and adjust the coiled tubing feed-in rate accordingly, optimizing both the direction and length of the lateral borehole relative to the main wellbore. | 06-23-2011 |
20120000710 | System and Method for Soil Saturation and Digging - A system and method for soil saturation and digging is disclosed. First, a system for soil saturation and digging is disclosed. Said system comprises a digging tool having a first end and a second end, a pipe having a first end and a second end, a hose socket, a nozzle, a trigger, and a shield. Said pipe having an axial body capable of transporting a fluid between said first end and said second end of said pipe. Said hose socket capable of receiving a hose comprising said fluid. Said nozzle capable penetrating a surface and a subsurface and of spraying said fluid into said subsurface. Said trigger is capable of controlling a flow of said fluid. Said shield capable of redirecting a diverted fluid displaced by said digging tool. Wherein, said nozzle attaches to said first end of said digging tool, said hose socket attaches to said second end of said digging tool, and said shield attached around said pipe. Next, a method for soil saturation and digging is disclosed. Next, a method for soil saturation and digging is disclosed. Said method comprising injecting a fluid through a surface and into a subsurface comprising attaching a hose to a digging tool having a nozzle and an internal channel, aligning said nozzle with a point on said surface, running said fluid through said hose and said internal channel within said digging tool, spraying said fluid out of said nozzle and into said surface and said subsurface, and continuing to spray said fluid into said surface and said subsurface as required. Finally, another system for soil saturation and digging is disclosed. Said system comprising a digging tool having a first end and a second end, a pipe having a first end and a second end and an axial body capable of transporting a fluid between said first end and said second end, a hose socket capable of receiving a hose comprising said fluid, a nozzle capable of penetrating a surface and a subsurface and of spraying said fluid into said subsurface, and a trigger capable of controlling a flow of said fluid. Said nozzle attaches to said first end of said digging tool and said hose socket attaches to said second end of said digging tool. | 01-05-2012 |
20120160567 | METHOD AND APPARATUS FOR DRILLING A ZERO-RADIUS LATERAL - A jet drill coupled to a distal end of a flexible jet lance is lowered into a well casing and advanced through a curved passage formed in a deflection shoe oriented to direct the jet drill through an orifice milled in the well casing. The jet drill is actuated with a pressurized fluid produced by a pump on the surface that is conveyed through a high pressure hose that runs through the flexible jet lance. Force transmitted through a thrust liner of the jet lance advances the jet drill while the lateral bore is being drilled. The thrust liner comprises helical coils of steel wire providing a high elastic modulus and buckling resistance, even while passing through the curved passage. Tension cables in the jet lance maintain tension on the thrust liner and enable the assembly to be pulled from the lateral bore and well. | 06-28-2012 |
20120160568 | RESETTABLE CIRCULATION TOOL - The present invention generally relates to an abrasive jet drilling assembly. In one aspect, a resettable circulation tool for use in an abrasive jet drilling assembly is provided. The resettable circulation tool includes an inner body having a first port in fluid communication with a bore. The resettable circulation tool further includes an outer body having a second port. Additionally, the resettable circulation tool includes a cam member configured to move along one or more slots, wherein the bodies move relative to each other to selectively align and misalign the first port and the second port as the cam member moves along the slots. In another aspect, a method of using a resettable circulation tool disposed in an abrasive jet drilling assembly includes moving the first and second ports into and out of alignment. | 06-28-2012 |
20120228033 | METHOD AND APPARATUS FOR FORMING A BOREHOLE - A jetting nozzle for forming boreholes or for cleaning out other tubular formations has a vibration-inducing mechanism that maximizing penetration rates and expands the diameter of the boreholes. The vibration-inducing mechanism can be an internal turbine responsive to the flow of pressurized jetting fluid through the nozzle. The nozzle has forward openings defining a voraxial spray pattern for the forward-directed jetting portion of the fluid exiting the nozzle. The nozzle can also have a pointed end that is adapted to penetrate the formation. The vibration also reduces friction between the fluid supply hose and the borehole being jetted through the formation by the nozzle. A system for forming boreholes with the jetting nozzle and a method of forming boreholes is also disclosed. | 09-13-2012 |
20120261194 | DRILLING A BOREHOLE AND HYBRID DRILL STRING - Method of drilling a borehole into an object, the method comprising providing a first borehole section ( | 10-18-2012 |
20120273276 | Method and Jetting Head for Making a Long and Narrow Penetration in the Ground - A method is for making a relatively long and narrow penetration in the ground where a jetting head that has a longitudinal axis is attached to a leading end of a tubular. The method comprises providing the jetting head with at least one fixed nozzle that is positioned at the leading end portion of the jetting head and where the fixed nozzle has an elongated cross section; and flowing liquid through the nozzle where a resulting liquid fan is directed towards the ground in front of the jetting head. | 11-01-2012 |
20120273277 | METHOD OF DRILLING AND JET DRILLILNG SYSTEM - A method of drilling into an object comprises providing a drill string in a borehole in the object, the borehole having at its bottom a borehole axis, the drill string comprising a borehole-centralized jet drill head at its lower end, the jet drill head having a drill axis, and comprising a jet nozzle; providing a stabilizer means for the drill string, the stabilizer means determining an inclination angle between the borehole axis and the drill axis; and generating a fluid jet at the jet nozzle, so as to deepen the borehole, wherein the drill string is rotated while deepening the borehole. Another system comprises a drill string with an jet drill head at its lower end, the drill head being provided with a jet nozzle, a stabilizer positioned above the jet drill head, the stabilizer contacting the borehole wall, and means for rotating the drill string. | 11-01-2012 |
20140102801 | FORMATION PENETRATING TOOL - The present invention relates to a formation penetrating tool submersible into a casing in a well for hydraulically penetrating a formation and having a longitudinal tool axis, comprising a tool housing, a supply hose, slidable in the tool housing, for supplying a high pressurised fluid to a nozzle, and the tool housing having an opening through which the supply hose and the nozzle are led to penetrate the formation, wherein the formation penetrating tool further comprises a pump arranged in the tool housing, the pump being in fluid communication with the supply hose for providing a jet of fluid out of the nozzle for penetrating the formation. Furthermore, the invention relates to a downhole system comprising a formation penetrating tool according to the invention and to a method for hydraulically penetrating a formation. | 04-17-2014 |
20140166368 | METHOD AND SYSTEM FOR IMPROVING DRILLING SPEED BY USING DRILL SPEED VIBRATION - A system for improving a drilling speed by using drill string vibration comprises a downhole drill string vibration-reduction and supercharging device, and an ultra-high pressure bit device used for a downhole supercharger. The downhole drill string vibration-reduction and supercharging device comprises a high-pressure runner ( | 06-19-2014 |