Boring or penetrating the earth inventions 02/06

20060037779 - Pulsed electric rock drilling apparatus: The present invention provides for pulsed powered drilling apparatuses and methods. A drilling apparatus is provided comprising a bit having one or more sets of electrodes through which a pulsed voltage is passed through a mineral substrate to create a crushing or drilling action....

20060037780 - Coring tubular and method for reducing contamination and processing speed of a core sample: Disclosed herein is a coring tubular. The coring tubular has a body, at least one opening hole radially oriented in the tubular body and a parting line in the tubular body. Further disclosed herein is a method for reducing contamination of a core sample. The method includes installing a coring...

20060037781 - Drilling system and method: A closed-loop circulating system for drilling wells has control of the flow rates in and out of the wellbore. Kicks and fluid losses are quickly controlled by adjusting the backpressure. Kick tolerance and tripping margins are eliminated by real-time determination of pore and fracture pressure. The system can incorporate a...

20060037782 - Diverter heads: A monitoring system for a rotating diverter head for use in the drilling of oil, gas and geothermal wells. The system includes a pressure sensor which is mounted beside the stripper rubber which contacts the drill pipe. An increase in the pressure monitored provides early warning of degradation or imminent...

20060037783 - Deep hole boring head and deep hole boring method for boring a production piece: The subject of the invention is a deep hole boring head capable of rotating about a central axis (A-A), comprising a body (2) whose front part (4) has at least one cutting edge (8a, 8b, 8c, 8d) followed by a recess (10a, 10b) which leads to a duct (12) inside...

20060037784 - Valve method for drilling with casing using pressurized drilling fluid: A valve (30), a drill string valve assembly (10) and a method of drilling using compressed fluid as a drill drilling fluid are described. The valve and valve assembly (10) may be used in order to prevent escape of compressed fluid during the time that a connection is being made...

20060037785 - Rotary drill bit: A drill bit for drilling a borehole with a steerable drilling system, the drill bit comprising a longitudinal axis, and a cutting profile with a leading face section blended with a curved region into a tapered gauge region having a tapered gauge profile. The tapered gauge region being tapered with...

20060037786 - Drill having construction suitable for enlarging previously formed hole: A drill which includes a cylindrical main body and a shank contiguous to each other, and which is to be rotated about an axis of the cylindrical main body in a predetermined rotating direction, for machining a hole in a workpiece. The cylindrical main body has flutes which are formed...

20060032671 - Cutting device and method for producing a cut hole: The invention relates to a cutting device for sinking a cut hole in the ground, having a support on which are mounted in rotary manner about in each case one cutting wheel rotation axis at least two cutting wheels, at least one cutting wheel drive mechanism for the rotary driving...

20060032672 - Lateral downhole drilling tool: A flexible lateral drilling shaft is disclosed, having a concentrically nested arrangement of two or more coil springs of which the winding direction of at least one of the springs is opposite to another of the springs. The shaft is included within a lateral drilling tool which includes a deflection...

20060032673 - Elastomeric seal assembly having auxiliary annular seal components: A drill bit and seal assembly therefor include a seal gland, an elastomeric sealing seal disposed in the seal gland and having a dynamic sealing surface and a static sealing surface, and at least one auxiliary elastomeric annular seal member disposed between the static sealing surface of the sealing seal...

20060032674 - Roller cone drill bits with optimized bearing structures: A roller cone drill bit may include optimally designed bearing structures and cutting structures. The roller cone drill bit may include three cone assemblies rotatably mounted on respective spindles via respective bearing structures. Each cone assembly may have a respective cutting structure with a minimal moment center located along each...

20060032675 - Drill: A drill, which is used in a hammer drill for drilling holes in stone, concrete and the like, includes a drilling head (10, 20, 30) formed of a hard material and provided, at its first end (5) with at least one main bit (3) having a tip (4), and at...

20060032676 - Drill bit: A drill bit comprises, on its face, either only curved cutting edges or a combination consisting of at least one straight cutting edge and at least two curved cutting edges. The cutting edges on the face of the drill bit are arranged such that they start from the axis of...

20060032677 - Novel bits and cutting structures: This invention provides an improved cutting element for downhole cutting tools including a support element and a beveled shearing element disposed on the support element and a drill bit including the cutting element; a cutting element including a support element and a shearing element disposed on the support element, wherein...

20060027397 - Perforating gun connector: Controlled Buoyancy Perforating technology for highly deviated and substantially horizontal wellbores may include long perforating guns assembled on a rig floor from a multiplicity of light weight and highly engineered shaped charge carrier joints. Tubular housings for such light weight joints may be fabricated from composite materials having steel transition...

20060027398 - Drill bit: A drill bit for drilling a well bore using solid material impactors comprising a nozzle and a cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through the nozzle. The drill bit may also comprise a junk slot for return flow...

20060027399 - Drill bit assembly: A drilling apparatus comprises a casing shoe, ring bit, and center bit. The casing shoe may be connected to a casing received within the casing shoe. The ring bit is received within the casing shoe and retained at the end of the casing. The ring bit rotates relative to the...

20060027400 - Device for generating electrical energy from a vibrating tool: A device for generating electrical energy from the vibrations generated by a well bore drill tool during the operation of the tool when drilling oil wells, the device comprising an array of piezoelectric elements mounted in the tool and connected to a vibrating part of the tool for converting vibrations...

20060027401 - Wide groove roller cone bit: An earth boring bit has three cones, each cone being mounted for rotation about a cone axis while the bit rotates about a bit axis. An outer row and an adjacent row of cutting elements are integrally formed on each of the cones. Each of the cutting elements of the...

20060027403 - Cutting elements of gage row and first inner row of a drill bit: A rolling cone drill bit is provided that has gage inserts on the first row from the bit axis to cut to full gage diameter that have a cutting portion enhanced with a layer of super abrasive material. The gage cutting surface has a center axis that is canted to...

20060027402 - Method for hardfacing roller cone drill bit legs: A roller cone drill bit includes a bit body adapted to be coupled to a drill string, at ne leg depending from the bit body, and a bearing journal on the at least one leg, wherein least one leg defines a shirttail portion at an end thereof. A method of...

20060021796 - Device and method for collecting borehole samples: A device and method for collecting borehole samples includes a receptacle having an inlet adapted to engage with a casing positioned in a drill hole, and at least one outlet through which a borehole sample exits from the receptacle. The receptacle is adapted to fit around a drill rod used...

20060021797 - Closed loop drilling assenbly with electronics outside a non-rotating sleeve: A closed-loop drilling system utilizes a bottom hole assembly (“BHA”) having a steering assembly having a rotating member and a non-rotating sleeve disposed thereon. The non-rotating sleeve has a plurality of expandable force application members that engage a borehole wall. An orientation sensing system associated with the rotating member and...

20060021798 - Impact excavation system and method with particle separation: A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharging from the cavity so that the impactors remove a portion of the formation. The...

20060021799 - Biased insert for installing data transmission components in downhole drilling pipe: An apparatus for installing data transmission hardware in downhole tools includes an insert insertable into the box end or pin end of drill tool, such as a section of drill pipe. The insert typically includes a mount portion and a slide portion. A data transmission element is mounted in the...

20060021800 - Shirttails for reducing damaging effects of cuttings: An earth-boring bit has a bit body that includes head sections, each having depending bit legs with a circumferentially extending outer surface, a leading side, and a trailing side. A bearing shaft depends inwardly from each of the bit legs for mounting a cutter. The bit includes a beveled surface...

20060021801 - Retrievable center bit: A retrievable center bit for use with a tubular including an inner bore and a drill shoe cutter mounted thereon. The retrievable center bit may include a body positionable in the bore of the tubular and including an upper end, a lower end and a side outer surface extending therebetween....

20060021802 - Cutting elements and rotary drill bits including same: A cutting element for a rotary drill bit that has a superabrasive member joined to a substrate at a three-dimensional interface is disclosed. The interface of the cutting element preferably incorporates a first ring pattern comprising a plurality of circumferentially arranged raised sections which are separated by a plurality of...