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| Number | Title | Issue Date |
| 7360595 | Method and system for underground treatment of materials A method for underground treatment of subsurface materials comprises providing an injection pattern and a recovery pattern, the injection pattern and the recovery pattern located proximate to a subsurface treatment zone and at least one of the injection pattern and ... | 04/22/2008 |
| 7207390 | Method and system for lining multilateral wells In accordance with one embodiment of the present invention, a method for lining a lateral wellbore includes drilling a main wellbore extending from a surface to a subterranean zone, casing the main wellbore with a main casing having a plurality of lateral wellbore w... | 04/24/2007 |
| 7207395 | Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement A method and system for testing a partially formed well includes forming a first well bore intersecting a subterranean formation. The first well bore includes a portion of a planned well having a first configuration. A production characteristic of the subterranean f... | 04/24/2007 |
| 7163063 | Method and system for extraction of resources from a subterranean well bore A method for stimulating production of resources from a coal seam includes forming a drainage well bore in the coal bed that has a first end coupled to a ground surface and a second end in the coal seam. The method further includes inserting a liner into the well bo... | 01/16/2007 |
| 7100687 | Multi-purpose well bores and method for accessing a subterranean zone from the surface A well system includes at least two well bores extending from a surface to a subterranean zone. Each of the two well bores is used to form a well bore pattern for the subterranean zone that intersects the other well bore and transports fluid from the subterranean zo... | 09/05/2006 |
| 7048049 | Slant entry well system and method A system for accessing a subterranean zone from the surface includes an entry well bore extending down from the surface. A plurality of slanted well bores extend from the entry well bore to the subterranean zone. Drainage patterns extend from the slanted well bores ... | 05/23/2006 |
| 7032692 | Drilling device for earth drill Locking elements 3d and 3j are provided at an inner member 3 connected to a kelly bar 1, and a locking element bearing plate 6f is provided at an outer member 6. The outer member 6 includes a cyli... | 04/25/2006 |
| 7025154 | Method and system for circulating fluid in a well system A method for circulating drilling fluid in a well system includes drilling a substantially vertical well bore from a surface to a subterranean zone and drilling an articulated well bore from the surface to the subterranean zone. The articulated well bore is horizont... | 04/11/2006 |
| 6976533 | Method and system for accessing subterranean deposits from the surface Improved An improved method and system for accessing subterranean deposits from the surface that substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articul... | 12/20/2005 |
| 6964298 | Method and system for accessing subterranean deposits from the surface An improved method and system for accessing subterranean deposits from the surface substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articulated well with... | 11/15/2005 |
| 6964308 | Method of drilling lateral wellbores from a slant well without utilizing a whipstock In accordance with one embodiment of the present invention, a method for drilling a lateral wellbore from a slant well includes drilling the slant well below the surface of the earth such that the slant well is angled toward a first horizontal direction that coincid... | 11/15/2005 |
| 6942030 | Three-dimensional well system for accessing subterranean zones A method for accessing a plurality of subterranean zones from the surface includes forming an entry well from the surface and forming two or more exterior drainage wells from the entry well through the subterranean zones. The exterior drainage wells each extend outw... | 09/13/2005 |
| 6655474 | Drill for making wide diameter and high depth holes and method for carrying out said holes A drill for drilling wide diameter and high depth holes in the soil including a base machine (1) having a rotary (2) that is equipped with a clamp (9) and, by means of translation cylinders (8), rotates and axially moves a series of drill stem (7) having ... | 12/02/2003 |
| 6360829 | Soil sampling device The soil sampler of this invention is mounted on a wheeled vehicle and includes a frame having a pivotal mast which is movable between an upright position and a horizontally disposed position. An elongated, hollow soil probe is longitudinally movably moun... | 03/26/2002 |
| 5865258 | Golf course maintenance machine A mobile apparatus for golf course or other turf maintenance. The apparatus includes a vehicle with powered drive, steering mechanism, and maintenance equipment support structures. The vehicle may be a forward unit and a trailer unit with an articulated j... | 02/02/1999 |
| 5655610 | Auger cleaner An apparatus is provided for cleaning dirt and debris from the stem and flighting of an earth boring auger. The auger cleaner apparatus has an opposed pair of blade assemblies which are brought into mechanical engagement with the stem and flighting of the... | 08/12/1997 |
| 5284213 | Subsea drilling cuttings collector and method of drilling A cuttings collector will collect cuttings generated while drilling through conductor pipe for the first string of casing. The cuttings collector has a riser that secures to the exterior of an outer wellhead housing. A cage surrounds the riser. Ports at t... | 02/08/1994 |
| 5234062 | Automatic evacuation drilling bucket An automatic evacuation drilling bucket comprises a follower formed with a working space for receiving a blade member which is capable of coming in contact with an osculating arm, the working space having upper, lower, transition and receiving compartment... | 08/10/1993 |
| 5067569 | Auger and sweeper assembly An auger assembly for drilling holes or similar openings in the ground includes an auger blade mounted for vertical movement and a dirt retaining shell that surrounds the auger blade also mounted for vertical movement independently of the auger blade. Whe... | 11/26/1991 |
| 5067570 | Auger and retaining shell assembly An auger assembly for drilling holes in the ground includes an auger blade mounted for vertical movement and a dirt retaining shell that surrounds the auger blade also mounted for vertical movement in relation to the auger blade. When the hole has been dr... | 11/26/1991 |
| 4971163 | Drilling bucket apparatus for cast-in-place piles with expanded bottoms A drilling bucket apparatus for expanding a bore-hole bottom for a cast-in-place pile. Drill bits are pivotally suspended from the upper portion of a drill pipe, which is a main frame of the apparatus, and are expanded and retracted radially by means of h... | 11/20/1990 |
| 4860837 | Rotary and reciprocating drilling machine The invention relates to a drilling machine comprising a kelly (5) suspended from a boom (3) mounted for pivoting on a chassis (1), a rotary table (7) through which the kelly is movable axially, drive members provided in the rotary table for rotating the ... | 08/29/1989 |
| 4836294 | Machine for digging a putting cup hole A putting cup hole digging machine is disclosed which comprises a main frame which has a fore and aft extent; a first mounting means for securing the main frame on a vehicle to permit the main frame to be vertically raised and lowered relative to the vehi... | 06/06/1989 |
| 4763735 | Mobile machine for making holes in putting greens A mobile machine for making holes in putting greens including a frame connected to a vehicle such as a mower, a cutter assembly mounted on a carriage slidably mounted on the frame for moving the cutter assembly in a vertical plane relative to the ground. ... | 08/16/1988 |
| 4429754 | Method and apparatus for clearing earth drill cuttings from around drill holes Means are provided in combination with the depending cylindrical skirt of a drill rig for conveying drill cuttings from around the drill stem during a drilling operation so they will not deposit in the usual annular pile around the open mouth of the drill... | 02/07/1984 |
| 4265036 | Bucket dredging and conveying system A method and apparatus for removing bottom material from beneath the surface of a body of water includes a floatable base upon which a tower is mounted for extending vertically upwardly therefrom. A rigid, elongate member having a bucket is connected to t... | 05/05/1981 |
| 4124082 | Method of and apparatus for cutting a tunnel in plastic soil The disclosed method of cutting a tunnel in plastic soil uses a pipe and a cutting head mounted on one end of the pipe. The inner diameter of the cutting head is less than the inner diameter of the pipe, and the outer diameter of the cutting head is great... | 11/07/1978 |
| 4057117 | Auger spoil disposal box An auger drilling apparatus includes a spoil disposal box guided on the lower end of the auger leads. The auger extends vertically through the box and deposits spoil from the hole being drilled into the box. During drilling, the box rests on the ground at... | 11/08/1977 |
| 3983946 | Automatically repositionable rotary platform, and method A derrick-type augur drill machine mounted on a carrier, including a rotary platform having both a memory device and an automatic latching means associated with the memory device, the memory means being operable for storing information indicating a select... | 10/05/1976 |
