Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7284619 | Packer with positionable collar A fluid actuated packer 10 and collar 36 assembly is provided for positioning on a tubular member 12. The collar 36 is moveable by a running tool 110 positioned within the tubular member and has a closed position and a packer activ... | 10/23/2007 |
| 7191844 | Inflate control system for inflatable straddle stimulation tool A method and apparatus for controlling inflation and deflation of spaced inflatable packer elements of a straddle stimulation tool within a well casing of a well. A straddle stimulation tool is positioned by tubing at a desired location within the well casing. Fluid... | 03/20/2007 |
| 7063152 | Model HCCV hydrostatic closed circulation valve Devices and methods for methods for cleaning of excess cement from a production assembly as well as from the annulus surrounding the production assembly. A hydrostatic closed circulation valve (HCCV) assembly is described that is primarily actuatable between open an... | 06/20/2006 |
| 6918440 | Testing drill packer One embodiment of the present disclosure describes a test assembly including an inflatable packer. An internal control sleeve controls flow of drilling fluid through an inflation port to inflate and deflate the packer. A shifting tool run on a slick line moves the s... | 07/19/2005 |
| 6715551 | Apparatus and methods for applying time lapse VSP to monitor a reservoir Subterranean reservoir monitoring method, computer system with programming code for implementing the method, and computer readable media and data signal embodying such programming code, the method including one or more of: (a) reservoir screening; (b) reservoir mode... | 04/06/2004 |
| 6675897 | Downhole bypass valve The present invention relates to bypass valves for use in wellbores, particularly but not exclusively to bypass valves used during the setting of hydraulic anchor packers. A bypass valve (2) is provided with a piston (30) slidably mounted adjacent a body ... | 01/13/2004 |
| 6349771 | Flow actuated shut-off valve The present invention generally provides a system and method for selectively sealing a drill string or other tubular member. In one aspect, a sealing member, such as a valve, allows a certain level of flow of drilling fluids and/or other fluids through on... | 02/26/2002 |
| 6286594 | Downhole valve Downhole apparatus (10) for mounting on a string (12) for location in a drilled hole is provided, the apparatus comprising: a tubular body (14) defining a bore; a packer (16) mounted on the body (14) for sealing the annulus between the body (14) and the w... | 09/11/2001 |
| 6237693 | Failsafe safety valve and method A subsurface well safety valve having a flow tube telescopically movable in a housing for controlling the movement of a valve closure member. A piston and cylinder assembly actuates the flow tube and is in communication with hydraulic control fluid from t... | 05/29/2001 |
| 6167970 | Isolation tool release mechanism A release mechanism for use with setting wellbore isolation tools, such as packers or bridge plugs. The release mechanism typically includes a release piston which selectively isolates equalization ports extending from the interior to the exterior of a se... | 01/02/2001 |
| 6152224 | Downhole apparatus Apparatus for use in setting packers and other fluid actuated devices includes a tubular body (222), a valve (228) for controlling the flow of well fluid through a port (234) in the body (222) and a valve actuator (224) mounted on the body (222) and movab... | 11/28/2000 |
| 6009945 | Oil well tool An oil well tool for installation in a production tubing string to provide valved gas communication between the interior of the tubing string and the annulus between the tubing string and casing for improving production from the well. The tool includes a ... | 01/04/2000 |
| 5954137 | Apparatus and method for avoiding formation impairment during completion of wellbores Completion method for avoiding formation impairment in the completion of a wellbore by anchoring and activating a plug at a selected position in the wellbore to seal off a selected portion of the wellbore from other portions of the wellbore. The plug is p... | 09/21/1999 |
| 5893415 | Gas diversion tool A gas diverter tool is disclosed for use in improving the operation of an oil and gas well that has cracks, holes or leaks in the casing. The tool includes a thick walled tubular body for in-line threaded connection within a tubing string below a packer c... | 04/13/1999 |
| 5810082 | Hydrostatically actuated packer A packer is disclosed which uses applied pressure to set the slips and initiate a compressive force on the sealing elements. The compressive force applied to the sealing elements moves components above the sealing elements and allows the available hydrost... | 09/22/1998 |
| 5505261 | Firing head connected between a coiled tubing and a perforating gun adapted to move freely within a tubing string and actuated by fluid pressure in the coiled tubing A firing head adapted to connected between a coiled tubing and a perforating gun, is sized and shaped to enable it to move freely within a tubing string in the wellbore, may be actuated by fluid pressure within the coiled tubing, and includes a circulatio... | 04/09/1996 |
| 5400855 | Casing inflation packer A casing inflation packer for use in a casing string in a well bore. The apparatus includes a housing connected in the casing string. An inflatable packer portion on the housing sealingly engages the well bore when inflated. An inflation passageway is def... | 03/28/1995 |
| 5305828 | Combination packer/safety valve assembly for gas storage wells A combination packer/safety valve assembly is connectable to the bottom end of a tubing string and lowerable therewith into the casing string portion of a gas storage well to control the upward flow through the casing string of pressurized gas stored in a... | 04/26/1994 |
| 5127474 | Method and means for stabilizing gravel packs Method and means for preventing fluidization or mobilization of a gravel pack in a fluid producing well as a result of increased fluid pressure caused by a well shut-in or other pressure surge. A pressure relief valve in the form of a check valve is provi... | 07/07/1992 |
| 5018574 | Tubing conveyed wellbore fluid flow measurement apparatus Wellbore fluid flow rates and other fluid properties may be measured by a tool which is insertable in the wellbore on the end of a tubing string and includes an instrument section and an inflatable packer disposed on the tool for inflation by conducting p... | 05/28/1991 |
| 4710063 | Non-return valve for bore hole sleeves A non-return valve for bore hole sleeves, which are intended for injection of a sealing and/or reinforcing compound into rock cracks and similar cracks and which comprise a rigid case (10), one end (10A) of which is provided with means for detachable conn... | 12/01/1987 |
| 4637468 | Method and apparatus for multizone oil and gas production A lower formation of a multizone well is perforated by a perforating gun lowered by wireline, and then fractured. A packer (modified Pengo packer) with a central bore and a valve seat is positioned within the casing between the lower and upper formations.... | 01/20/1987 |
| 4522264 | Apparatus and method for treating wells Improved apparatus for packing particulates such as sand, gravel, or the like, around a well screen in a well for sand control, the apparatus having provisions for packing the particulates tightly in place without relying on settling due to gravity, thus ... | 06/11/1985 |
| 4421165 | Multiple stage cementer and casing inflation packer A combination multiple stage cementing tool and casing inflation packer includes an inflatable packer having a packer mandrel and an inflatable packing element disposed about the mandrel. A cementing tool includes a cylindrical outer casing, a cementing p... | 12/20/1983 |
| 4420159 | Packer valve arrangement A valve system for use in inflating packers mounted on mandrels is disclosed. The valve system uses one or more valves to permit, through the use of seals, the flow of fluid form the interior of a tubular mandrel to the interior of the inflatable packer w... | 12/13/1983 |
| 3986554 | Pressure controlled reversing valve In accordance with an illustrative embodiment of the present invention, a pressure controlled reversing valve includes a housing having a flow passage and ports to communicate the passage with the well annulus outside the housing, valve means for normally... | 10/19/1976 |
| 3965978 | Subsurface transient pressure testing apparatus and method of use thereof Wireline apparatus and method for measuring pressure downhole in well tubing comprising a main plug body which seats in a seating nipple forming part of the tubing, a pressure gauge in communication with the tubing below the main plug body, and means for ... | 06/29/1976 |