Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8011446 | Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell An assembly and methods for constructing a MONOWELL include a monodiameter casing disposed in a monodiameter wellbore having diametric efficiency with a monobore production delivery system disposed within the monodiameter casing. An assembly for constructing a monod... | 09/06/2011 |
| 7428933 | Latchable hanger assembly and method for liner drilling and completion Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from being cemented in in a bent or corkscrewed configuration. Additionally,... | 09/30/2008 |
| 7347282 | Steerable soil penetration system A steerable soil penetration system having a steerable penetration head, which compacts and does not cut away the surrounding soil and which is connected to an elongate flexible tubing such that the orientation of the penetration head can be varied relative to the t... | 03/25/2008 |
| 7334649 | Drilling with casing A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14, 110, which may offset at a selected bend angle. A bend for directional drilling may be provided by a PDM, or by a RSD. A gauge section 36 secured to th... | 02/26/2008 |
| 7325631 | Mill and pump-off sub A downhole mill includes a plurality of cutters extending generally radially from a center region to a gage diameter, wherein the plurality of cutters includes a first serrated cutter blade having a plurality of peaks and valleys along its length. The plurality of c... | 02/05/2008 |
| 7320371 | Method and device for producing pretensioned anchorings A method and device for boring, particularly percussion boring or rotary percussion boring, a hole in soil or rock material and for forming an anchoring. A borehole is formed by inserting a drill bit, and a casing tube is placed inside the borehole during the boring... | 01/22/2008 |
| 7258174 | Method for pressure- and flow-preventive fixing of pipes in a well A method for pressure- and flow-prevetive fixing of well pipes, preferably liners and casings (14, 54, 60, 66) in a well when drilling the well, wherein the method also may be used in a completed well in order to place a pressure- and flow-preventive barrier ... | 08/21/2007 |
| 7255181 | Method and device for the drilling of holes in ground or rocky material In a method and device for drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock material, wherein a borehole is formed by a percussive and/or rotational movement carried out by a drill bit (1) mounted on a drill rod... | 08/14/2007 |
| 7249635 | Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve A communication tool (100) includes a housing (102) having recesses (110) and a set of axial locating elements (112) radially extendable through the recesses (110) and engagably positionable within a profile of a tubing retrievable... | 07/31/2007 |
| 7213643 | Expanded liner system and method A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14, which may offset at a selected bend angle. A gauge section 34 is secured to the bit 16 has a uniform diameter bearing surface along an axial len... | 05/08/2007 |
| 7207749 | Method and apparatus for installing underground pipe A method and apparatus employing an axially elongated ground piercing tool for forming an in-ground tunnel under a surface structure with forward axial movement of the tool in the ground under the structure with a pipe carried by the tool for depositing in the tunne... | 04/24/2007 |
| 7188687 | Downhole filter A downhole filter comprises a tubular member having a wall defining a plurality of openings. The openings have an outer width less than an inner width. The parts of the opening defining the smaller width are defined by radially outer parts of the openings, such that... | 03/13/2007 |
| 7182153 | Methods of casing drilling The present invention provides a method and apparatus for casing while drilling without the use of an underreamer. In one aspect, the invention provides a flexible drill collar that enables drilling of a large enough borehole for passage of the casing string thereth... | 02/27/2007 |
| 7131505 | Drilling with concentric strings of casing The present invention provides a method and apparatus for setting concentric casing strings within a wellbore in one run-in of a casing working string. In one aspect of the invention, the apparatus comprises a drilling system comprising concentric casing strings, wi... | 11/07/2006 |
| 7093677 | Percussion drill head The invention relates to a method for horizontal drilling with a percussion implement and a percussion head or percussion head element mounted in a movable manner relative to the percussion implement, the percussion impulse being transmitted in at least three steps.... | 08/22/2006 |
| 7086485 | Directional casing drilling A directional drilling system, including a casing string, a casing latch disposed inside the casing string proximate a lower end of the casing string and coupled to the casing string, a rotary steerable system disposed inside the casing string and coupled to the cas... | 08/08/2006 |
| 7080697 | Method and device for drilling a hole and for securing an anchorage in a bore hole A method and a device for the drilling, in particular the percussive or percussive rotary drilling of a hole in earth or rock and for securing an anchorage in the hole. A bore hole is created by a drill bit mounted on a drill pipe and a sliding sleeve that surrounds... | 07/25/2006 |
| 7040420 | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/09/2006 |
| 7037040 | Method for the placement of subterranean electrodes A method for the placement of subterranean electrodes is disclosed and which includes the steps of providing an earth engaging drill; forming a bore hole in the surface of the earth with the earth engaging drill; providing an electrode; and delivering the electrode ... | 05/02/2006 |
| 7025536 | Tandem apparatus for bursting and replacing pipe A tandem rod or cable apparatus for bursting and replacing pipe, which includes a frame, two sets of oppositely-disposed hydraulic cylinders having piston rods, each of which pairs of piston rods are attached to a yoke, with a gripping element provided in each yoke ... | 04/11/2006 |
| 6959772 | Self-penetrating soil exploration device and associated methods Methods and apparatuses for maneuvering through a medium such as soil are disclosed. One such apparatus has a generally longitudinal body that can impel itself through the medium. This apparatus also has at least two independently-controllable packers arranged radia... | 11/01/2005 |
| 6953093 | Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve A tubing retrievable safety valve (50) having a non annular hydraulic chamber (60) in a sidewall portion thereof is operable to received a communication tool (100) therein such that relative rotation between at least a portion of the communicati... | 10/11/2005 |
| 6953092 | Apparatus and method for free-fall installation of an underwater wellhead An apparatus and method for pre-installation of a petroleum wellhead on the seabed. The apparatus includes two principal components: a wellhead (1) and a ballast tube (9). The wellhead includes a tube in which are fixed guide fins (3) and struct... | 10/11/2005 |
| 6892819 | Forming a wellbore casing while simultaneously drilling a wellbore An apparatus including a support member, the support member including a first fluid passage, a mandrel coupled to the support member, the mandrel including: a second fluid passage, a tubular member coupled to the mandrel, and shoe coupled to the tubular liner, the s... | 05/17/2005 |
| 6877570 | Drilling with casing A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14, which may offset at a selected bend angle. The motor housing is preferably run slick, and a gauge section 36 secured to the pilot bit 18 has a u... | 04/12/2005 |
| 6857487 | Drilling with concentric strings of casing The present invention provides a method and apparatus for setting concentric casing strings within a wellbore in one run-in of a casing working string. In one aspect of the invention, the apparatus comprises a drilling system comprising concentric casing strings, wi... | 02/22/2005 |
| 6854533 | Apparatus and method for drilling with casing The present invention generally relates to a method and an apparatus for drilling with casing. In one aspect, a method of drilling a wellbore with casing is provided, including placing a string of casing with a drill bit at the lower end thereof into a previously fo... | 02/15/2005 |
| 6705413 | Drilling with casing A method and apparatus for drilling directional wellbores using a casing string as a drill stem is taught. A retrievable bit is mounted at an end of the casing string and either a mud motor with a bent housing and/or bent sub or a rotary steerable tool is used to di... | 03/16/2004 |
| 6655874 | Method and apparatus for slitting flexible pipe in an underground bore A method of slitting a flexible conduit in an underground bore, the conduit having entry and exit ends thereof exposed for access, includes: (1) fitting a retainer to flexible underground conduit adjacent to the entry end thereof, the retainer securing th... | 12/02/2003 |
| 6575240 | System and method for driving pipe An apparatus and method for forming a wellbore casing. A mandrel is used to position a tubular member within a wellbore. The mandrel is then driven into the bottom of the wellbore. The tubular member is then radially expanded by the mandrel.... | 06/10/2003 |
| 6318471 | Method for installing tubular members axially into the earth A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which results in a signi... | 11/20/2001 |
| 6298925 | Method and apparatus for installing a small-scale groundwater sampling well A method and apparatus for installing a groundwater sampling device into the ground includes a generally cylindrical housing open at top and bottom end portions and defining a recess therein. An expendable tip member is removably connected to the bottom a... | 10/09/2001 |
| 6283231 | Soil displacing screw auger and method for making a concrete pile with this auger Soil-displacing screw auger which contains an auger tube (1); a double displacement body (2) equipped with a hollow shaft (8) fixed to the auger tube (1) and containing an upper part (6) which constitutes a closed screw the radius of which increases towar... | 09/04/2001 |
| 6207114 | Reactive material placement technique for groundwater treatment The invention provides a permeable treatment wall comprising one or more high-permeability columns, as well as a methods for preparing such a permeable treatment wall.... | 03/27/2001 |
| 6116353 | Method and apparatus for installing a micro-well with a penetrometer A well assembly device comprises an outer tubular sleeve with a first end and second end. An inner tubular member has a first end and a second end, and the inner tubular member is disposed within the outer tubular sleeve. The inner tubular member includes... | 09/12/2000 |
| 6102119 | Method for installing tubular members axially into an over-pressured region of the earth A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which results in a signi... | 08/15/2000 |
| 5980157 | Ground-boring machine The invention pertains to a machine for producing or widening ground bores and/or for shattering old pipelines and laying new pipelines, consisting of a push-pull unit and a rod assembly that is connected to and driven by the push-pull unit and extends th... | 11/09/1999 |
| 5876152 | Ramming drill for destructive replacement of buried pipelines Ramming drill for destructive replacement of buried pipelines with a conical tip, a crushing head set onto the conical tip with radial cutters and a traction cable acting on the equipment tip.... | 03/02/1999 |
| 5803184 | Rotatable drill pipe having an auger on a free end thereof Method and device for introducing a pipe into the ground. In order to restrict the drive power necessary to the greatest possible extent and to optimize the diameter of the pipe, it is proposed that the soil surrounding the pipe is displaced in the radial... | 09/08/1998 |
| 5669454 | Drive point device Described is a device for driving into the ground which includes a drive point, a fluid passage section, an annular seal and an annular drive rod. The annular seal is the widest member and fits snugly in a borehole formed after the device is driven into t... | 09/23/1997 |
