Class 73/152.36 - Packer or deflector detail

Subclass of Class 73 - Measuring and testing
Definition: Subject matter including either (a) a means for constraining
No. of patents: 27
Last issue date: 04/17/2007

Number	Title	Issue Date
7204308	Borehole marking devices and methods To reduce the surveying error in a wellbore, the creation of several reference points within a borehole is carried out by physically placing borehole markers in the borehole casing, the borehole wall or in the formation itself, and providing an accurate reference of...	04/17/2007
7000697	Downhole measurement apparatus and technique A system that is usable with a subterranean well that has a casing includes an apparatus that is associated with production of fluid from the well and is located downhole in the well in a passageway of the casing. The system also includes a sensor that is located do...	02/21/2006
6951262	Method and apparatus for suppressing waves in a borehole Methods and apparatus for suppression of wave energy within a fluid-filled borehole using a low pressure acoustic barrier. In one embodiment, a flexible diaphragm type device is configured as an open bottomed tubular structure for disposition in a borehole to be fil...	10/04/2005
6915686	Downhole sub for instrumentation A downhole sub for instrumentation, such as a fiber optic sensor. The sub is configured to be connected to a string of pipe, such as a string of tubing. The sub first comprises an essentially concentric tubular body. The tubular body has an inner diameter that gener...	07/12/2005
6865934	System and method for sensing leakage across a packer A system and method for sensing leakage across a packer in a well, according to which a sensor is disposed in the well for sensing a characteristic of the packer such as vibrations, and a corresponding signal is outputted that is indicative of whether there is any f...	03/15/2005
6296056	Subsurface measurement apparatus, system, and process for improved well drilling, control, and production Subsurface wellbore conditions are measured directly in the wellbore while the fluid circulation system is not pumping. The measured values are recorded at the subsurface location and subsequently transmitted to the well surface when circulation is resume...	10/02/2001
6269683	System and method for pressure testing the fittings and seals associated with the communication lines of a well tool A system for pressure testing the seals and fittings associated with at least one communication line passing through a well tool mandrel, each communication line housed within a communication line conduit defined through the well tool and sealingly engage...	08/07/2001
6148912	Subsurface measurement apparatus, system, and process for improved well drilling control and production Subsurface wellbore conditions are measured directly in the wellbore while the fluid circulation system is not pumping. The measured values are recorded at the subsurface location and subsequently transmitted to the well surface when circulation is resume...	11/21/2000
6116340	Downhole build-up pressure test using coiled tubing A method and an apparatus for carrying out a downhole shut-in, pressure build-up test of a formation by lowering a string of coiled tubing having a pressure sensor and a packer thereon through the production tubing of the well. The packer is set to isolat...	09/12/2000
5767400	Hydraulic test system mounted with borehole television set for simultaneous observation in front and lateral directions The present invention provides a hydraulic test system, by which it is possible to select a proper position and to select a reliable measurement interval corresponding to said position, to obtain information for preventing retention or leaving of the equi...	06/16/1998
5052220	Apparatus for measurements related to fluid flow in a borehole A logging tool for measuring the fluid flow rate in a well, comprises a measuring pipe provided with a flowmeter, a packer device designed to derive the whole fluid flow into the measuring pipe, and an obstacle disposed in the fluid flow path, at, or down...	10/01/1991
4852401	Well fluid flow velocity measuring apparatus including a spinner cartridge assembly A fluid flow velocity measuring device is shown. In the preferred and illustrated embodiment, an elongate body receives a removable spinner cartridge assembly. The assembly is formed of an elongate sleeve surrounding a rotating shaft supported by bearing ...	08/01/1989
4827765	Motor driven spinner flow meter The present disclosure is directed to a motor driven magnetically clutch connected turbine on a sonde adapted to be lowered in a well borehole for measuring fluid flow velocity in the well. The turbine is sourounded by a perforated cage or housing which p...	05/09/1989
4800752	Flow restricting logging tool and method A well-logging tool, for use within a well borehole for measuring a characteristic of a flowing fluid therein, is shown to include a housing and a spinner for measuring the flow rate of the fluid. The spinner is disposed within the housing. To divert the ...	01/31/1989
4771635	Fluid injector for tracer element well borehole injection The present disclosure is directed to a tracer fluid injector apparatus adapted to be lowered in a well borehole. In a sonde preferably equipped with a radioactive detector, a fluid injector system is disclosed. It utilizes an isolated cartridge of cylind...	09/20/1988
4581927	Self-contained bore hole flow measurement system and method therefor The invention provides a system and method for measuring fluid velocity in well bores. The system and method includes the provision of a plurality of spaced magnetic markers (70) located at predetermined distances (d) along a line (40), a weight (100) con...	04/15/1986
4576042	Flow basket A flow basket for use in an apparatus for measuring flow rates having a plurality of substantially triangular shaped petals that selectively open and close about a shaft. A plurality of support bows extend over the petals and attach to the opening end of ...	03/18/1986
4566317	Borehole flow meter Borehole fluid flow measuring apparatus is disclosed having a body member sized for passage through a wellbore. In a first embodiment of the invention, a thin metallic cross shaped disk is rotatably mounted in the body. Two solenoid coils are mounted in t...	01/28/1986
4507552	Method and apparatus for determining flow characteristics within a well In the representative embodiments of the new and improved methods and apparatus disclosed herein, a well logging instrument includes an elongated body member having a funnel configuration fluid collector mounted thereon. An aperture in the body member, pr...	03/26/1985
4484626	Pneumatic packer A pneumatically inflated packer assembly includes spaced upper and lower inflatable sleeves which expand radially to anchor the assembly at a desired depth within a well screen. A porous, elastic bag exteriorly covers these sleeves so that the expanded sl...	11/27/1984
4452076	Well logging tool A well logging tool, for use within a well borehole having a flowing fluid therein, has a selective bypass means for directing a portion of the flowing fluid away from the housing of the well logging tool upon the flowing fluid exerting a predetermined pr...	06/05/1984
4442711	Device for measuring the flow of fluid in a well The invention is related to a device for measuring the flowrate of fluid through a well. The device according to the invention comprises an upper portion adapted for connection with a cable, two elongated side members, generally parallel to and spaced fro...	04/17/1984
4441361	Method and apparatus for measurement of fluid density and flow rates in multi-phase flow regimes In a well containing a multi-phase fluid flow regime is disposed an elongated body member with a funnel configuration attached thereto for the purpose of collecting and mixing the multiple fluid phases. An aperture is provided in the body member, proximat...	04/10/1984
4033187	Well flow measuring apparatus In the representative embodiment of the apparatus of the present invention disclosed herein, a plurality of outwardly-biased bow springs are disposed around the lower end of the body of a spinner-type flowmeter and cooperatively arranged for centering at ...	07/05/1977
3982433	Spinner tool for boreholes A spinner tool comprises an elongate, cylindrical housing including a portion having elongate, axially extending, angularly disposed slots formed therethrough at circumferentially spaced points. An impeller is mounted within the housing and comprises circ...	09/28/1976
3960015	Well flow sensing apparatus Apparatus for sensing the flow from a pumped well and for generating signals indicative of that flow includes an orifice flow sensing system adapted to be placed into the flowline of a pumped well and being operably connected to an electro-mechanical sign...	06/01/1976
3934467	Spinner flowmeter with isolated bearings In the representative embodiment of the present invention disclosed herein, a well bore flowmeter is provided with a fluid-driven spinner which is uniquely mounted on the closed end of a hollow shaft that is coaxially disposed over a spindle and rotatably...	01/27/1976

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Class 73/152.36 - Packer or deflector detail