Brown; Scott H., Hook; Fred E. - US Patent Attorneys and Agents

Attorney: Brown; Scott H., Hook; Fred E.

Number of patents: 30
Last date: July 21, 1992

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Number	Title	Issue Date
5131478	Low friction subterranean drill bit and related methods A subterranean drill bit operable with a rotational drive source is provided for drilling in subterranean earthen materials to create a borehole having a borehole wall. The drill bit comprises a drill bit body having a base portion, a gauge portion and a ...	07/21/1992
5111892	Imbalance compensated drill bit with hydrostatic bearing A subterranean drill bit is provided that comprises a drill bit body having a base portion disposed about a longitudinal bit axis, a gauge portion disposed about the bit axis and extending from the base portion, and a face portion disposed about the bit a...	05/12/1992
5035291	Seafloor drilling apparatus Apparatus for drilling a large diameter hole in the surface of a material includes an upper body; a lower body rotatably connected to the upper body; a motor for rotating the lower body relative to the upper body; cutting discs, connected to the lower bod...	07/30/1991
5014785	Methane production from carbonaceous subterranean formations A method of producing methane by injecting inert gas, such as nitrogen, through an injection well into a solid carbonaceous subterranean formation (e.g., coal) and recovering methane from a production well(s). Methane desorption is achieved by reduction i...	05/14/1991
5014788	Method of increasing the permeability of a coal seam A method of increasing the rate of methane production from a coal seam includes introducing a desired volume of a gas, that causes coal to swell, into the coal seam adjacent a wellbore, maintaining the coal seam adjacent the wellbore in a pressurized cond...	05/14/1991
5012674	Method of exploration for hydrocarbons A method of exploring for hydrocarbons is disclosed wherein core is obtained over substantially the entire length of a well and substantially all lithologies represented within the core are analyzed at a core analysis facility located adjacent the well. A...	05/07/1991
5012877	Apparatus for deflecting a drill string Apparatus and method for deflecting the drilling direction of a rotary drill string and drill bit through a borehole wall include an anchor, a housing, and a chute. The anchor anchors the apparatus in the borehole. The housing is connectable to the anchor...	05/07/1991
4982802	Method for stabilizing a rotary drill string and drill bit Apparatus for stabiliing a rotary drill string and drill bit used to drill a borehole in a material, such as a subterranean formation, includes an imbalanced drill collar and a drill bit connected to the drill collar. The imbalanced drill collar creates a...	01/08/1991
4970697	Vertical marine seismic array A method of acquiring seismic data is disclosed which includes a horizontal towed receiver array in conjunction with at least one vertically oriented receiver array formed from a plurality of receiver elements spaced apart vertically within a plurality of...	11/13/1990
4964994	Hydrocyclone separator A hydrocyclone separator for separating oil from water includes a substantially cylindrical first portion with a central overflow outlet and at least one tangential flow inlet, an essentially single angled conical second portion, and a substantially cylin...	10/23/1990
4955952	Seismic energy source array A source array useful in vertical seismic profiling is disclosed wherein a first set of source elements having horizontal extent is spaced to have at least a first direction and a second direction, and a second set of source elements having vertical exten...	09/11/1990
4948925	Apparatus and method for rotationally orienting a fluid conducting conduit Apparatus and method for orienting a collar on a fluid conducting conduit, such as a drill string, includes an orifice through the wall of the conduit and a latch assembly for latching the collar to the conduit. The latch assembly allows fluid communicati...	08/14/1990
4948517	System for preventing oil droplet size reduction A system is disclosed for preventing oil droplet size reduction when introducing an oil/water stream into an oil-from-water separation unit. The system includes a conduit extending from a source of the oil/water stream to an inlet of the oil-from-water se...	08/14/1990
4940535	Solids flow distribution apparatus A solids flow distribution apparatus is disclosed for use with two or more solid separation devices, such as shale shakers. The appartatus includes a plenum in communication with a source of flow of solids and liquid, such as from a drilling rig's mud sys...	07/10/1990
4932484	Whirl resistant bit A whirl resistant drill bit is disclosed for use in rotary drilling. The drill bit includes a generally cylindrical bit body with a plurality of cutting elements extending out from a lower end surface. The cutter elements are grouped in sets such that a f...	06/12/1990
4927536	Hydrocyclone separation system A hydrocyclone separation system is disclosed for separating a fluid mixture into at least two separate density components and for precluding remixing of semi-separated higher density components. A first and second hydrocyclone separators each has a centr...	05/22/1990
4916946	Method of flowing a high viscosity substance through a conduit at a low apparent viscosity A method of flowing a high viscosity substance, such as a delayed cross-linked fracturing gel, through a conduit or well fracture at a low apparent viscosity comprises selecting a cross-linkable fluid having nonhomogeneous flow properties and flowing the ...	04/17/1990
4914591	Method of determining rock compressive strength A method is disclosed for determining rock compressive strength of a subterranean formation penetrated by a wellbore. A mathematical model of a drill bit and an estimate of rock ductility of a particular subterranean formation in conjunction with weight-o...	04/03/1990
4911243	Method for disconnecting a marine drilling riser assembly Disclosed is a method for disconnecting a marine riser assembly from a subsea wellhead when the marine riser assembly contains substantially gas, the marine riser assembly comprising a riser and a wellhead connector having an internal shoulder for abuttin...	03/27/1990
4910716	Suppression of coherent noise in seismic data A method is disclosed to suppress coherent noise in seismic data. Based on the Karhunen-Loeve Transform, this method trains on a region containing undesired coherent noise. Eigenvectors determined from the convariance matrix of that noise are used to reco...	03/20/1990
4905776	Self-balancing drilling assembly and apparatus A vibration dampening assembly, such as a dynamic balancing apparatus, is connected to a drill bit, a downhole motor or drillstring to exert a variable force to counteract vibration inducing forces. The dynamic balancing apparatus includes a support body ...	03/06/1990
4906139	Offshore well test platform system An offshore well test platform system is positionable above one or more underwater wells and comprises a submerged buoy restrained below the surface of the water by a plurality of laterally extending, tensioned cables, a platform structure removably conne...	03/06/1990
4906366	Skimmer system A skimmer system comprising a skimmer device for collecting a surface contaminant layer from a liquid component, pumping means for transferring the surface contaminant layer from the skimmer device to a remote location, and positioning means for maneuveri...	03/06/1990
4905775	Drilling system and flow control apparatus for downhole drilling motors To divert sufficient fluid flow through an unsealed bearing section of a downhole drilling motor, a flow control apparatus is provided for insertion between the power section of the motor and the bottom of a drill bit which is to be turned by the motor. T...	03/06/1990
4899833	Downhole drilling assembly orienting device The orientation of a downhole steering assembly used in drilling a horizontal well is located with respect to the earth using a sub placed above the downhole assembly. The sub comprises a housing having a central bore defining an inlet flow passageway sai...	02/13/1990
4887677	Low pressure drill bit A drill bit includes a drill bit body, a cutting member and a fluid course extending in front of the cutting member. The fluid course includes a progressively widening diffuser having a particular design which allows pressure recovery in a fluid flowed th...	12/19/1989
4881605	Stabilizing and drilling apparatus and method To stabilize a drill string and to reduce or prevent wellbore deviation in directional drilling, weight rods by which weight is to be applied to drill bit are maintained free-standing and under compression within a drill string while the drill string itse...	11/21/1989
4881166	Method for consistent multidatabase transaction processing Disclosed is a concurrency control method and related system for permitting the correct execution of multiple concurrent transactions, each comprising one or more read and/or write operations, in a heterogeneous distributed database system. Read and write...	11/14/1989
4876016	Method of controlling the separation efficiency of a hydrocyclone A method and related apparatus are disclosed herein for controlling the quantity of oil as a contaminant being discharged with water from a hydrocyclone. The hydrocyclone comprises a conical body with an upper liquid mixture inlet, a drive fluid inlet, an...	10/24/1989
4873636	Interpretation of conical structures from dipmeter surveys A method as disclosed of assisting in the determination of the existence of conical folding of the geological formation utilizing an existing dipmeter survey obtained through a wellbore penetrating the geological formation. Estimates of plunge and apertur...	10/10/1989

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Attorney: Brown; Scott H., Hook; Fred E.