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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8082983 | Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly A completion system for use in a well includes a first completion section and a second section. The first completion section has a sand control assembly to prevent passage of particulates, a first inductive coupler portion, and a sensor positioned proximate to the s... | 12/27/2011 |
| 7918272 | Permeable medium flow control devices for use in hydrocarbon production An in-flow control device controls fluid flow into a wellbore tubular using a permeable medium positioned in a flow space. The permeable medium induces a predetermined pressure differential in the flow space. The permeable medium may include separate elements having... | 04/05/2011 |
| 7802621 | Inflow control devices for sand control screens Inflow control devices for sand control screens. A well screen includes a filter portion and at least two flow restrictors configured in series, so that fluid which flows through the filter portion must flow through each of the flow restrictors. At least two tubular... | 09/28/2010 |
| 7793714 | Device and system for well completion and control and method for completing and controlling a well A fracing and production configuration including a tubular having a plurality of openings. The openings having a beaded matrix therein, a valve sub in operable communication with the tubular and an underminable plugging material plugging each of the beaded matrixes.... | 09/14/2010 |
| 7789139 | Device and system for well completion and control and method for completing and controlling a well A fluid media tell-tale configuration including a tubular having an inside surface with which a fluid media will make contact during application of the fluid media to a target destination. The fluid media tell-tale configuration further including one or more opening... | 09/07/2010 |
| 7644758 | Restrictor valve mounting for downhole screens In one aspect of the invention a valve that operates in association with a downhole screen is threaded into the wall of a base pipe after being inserted through a saddle. When the valve body is threaded in, the engagement into the wall threads in the base pipe acts ... | 01/12/2010 |
| 7428924 | System and method for completing a subterranean well A technique is provided for completing a subterranean wellbore. A wellbore completion combines a distributed sensing system, such as a distributed temperature sensing system, with at least one flow control valve and a pumping system. The flow control valve is contro... | 09/30/2008 |
| 7419002 | Flow control device for choking inflowing fluids in a well A flow arrangement (10, 12) for use in a well through one or more underground reservoirs, and where the arrangement (10, 12) is designed to throttle radially inflowing reservoir fluids produced through an inflow portion of the production tubing in the well, the prod... | 09/02/2008 |
| 7389819 | Well screen A screen system for underground wells, and a method of fluid flow control and/or sand production control in a well. The screen system may include an inner screen and an outer screen having a plurality of slots. A mechanism, which may include a motor, is provided to ... | 06/24/2008 |
| 7373991 | Swellable elastomer-based apparatus, oilfield elements comprising same, and methods of using same in oilfield applications Oilfield apparatus and methods of use, the apparatus comprising an elastomeric composition comprising the reaction product of a linear or branched polymer having residual ethylenic unsaturation with an ethylenically unsaturated organic monomer having at least one re... | 05/20/2008 |
| 7360593 | Product for coating wellbore screens Coatings for well screens that protect the screens from damage as they are inserted into the wellbore and once in the well, release reactive materials to react with and degrade potentially plugging materials such as drill solids, fluid filtercakes, fluid loss additi... | 04/22/2008 |
| 7270181 | Downhole surge pressure reduction and filtering apparatus The present invention provides a downhole cementing apparatus run into a borehole on a tubular. The apparatus is constructed on the pipe in such a way that pressure surge during run-in is reduced by allowing fluid to enter the pipe and utilize the fluid pathway of t... | 09/18/2007 |
| 7258166 | Wellbore screen A wellbore screen includes a base pipe including a wall, an inner bore surface and an outer surface, an opening formed through the base pipe wall and a filter cartridge mounted in the opening. In one aspect, the wellbore screen includes an impermeable layer relative... | 08/21/2007 |
| 7243740 | Filter assembly having a bypass passageway and method A filter assembly including a primary flow passageway having at least one filter deployed therein and a secondary flow passageway having a bypass filter deployed therein is provided. The filter assembly further includes a bypass valve assembly configured to selectiv... | 07/17/2007 |
| 7195070 | Method and apparatus for downhole artificial lift system protection A fluid conditioning system designed to be installed between the well perforation and the intake of a pump used to effect artificial lift is used to filter and chemically treat production fluids. The fluid conditioning system is an apparatus that provides scale inhi... | 03/27/2007 |
| 7059410 | Method and system for reducing longitudinal fluid flow around a permeable well A method for reducing longitudinal flow of fluids through an annular space surrounding a permeable well tubular, such as a slotted liner or a sandscreen, in an inflow region of an oil and/or gas production well having: arranging a series of collapsed resilient seali... | 06/13/2006 |
| 7048061 | Screen assembly with flow through connectors A connector for providing a pathway between a first screened tubing and a second screened tubing. In one embodiment, the connector includes an annular pipe coupled to the first screened tubing at a first end and coupled to the second screened tubing at a second end.... | 05/23/2006 |
| 7032675 | Thermally-controlled valves and methods of using the same in a wellbore Methods of operating a downhole tool comprise thermally-controlling the tool by sensing a temperature and controlling the tool in response to the sensed temperature. Thermally-controlled downhole tools comprise a control element responsive to a change in temperature... | 04/25/2006 |
| 6966375 | Downhole surge pressure reduction and filtering apparatus The present invention provides a downhole cementing apparatus run into a borehole on a tubular. The apparatus is constructed on the pipe in such a way that pressure surge during run-in is reduced by allowing fluid to enter the pipe and utilize the fluid pathway of t... | 11/22/2005 |
| 6941652 | Methods of fabricating a thin-wall expandable well screen assembly An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then defo... | 09/13/2005 |
| 6932159 | Run in cover for downhole expandable screen A screen to be expanded when placed downhole is disclosed. The screen is delivered to the location with a cover that blocks access to the screen from well fluids. Circulation or reverse circulation can be undertaken with no appreciable flow through the screen due to... | 08/23/2005 |
| 6745843 | Base-pipe flow control mechanism A completion assembly for use in a lateral well bore has a base pipe with a plurality of holes through the sidewall of the base pipe. Flow through the holes is regulated to produce an influx difference between the ends of the base pipe. Flow can be regulated by vari... | 06/08/2004 |
| 6732806 | One trip expansion method and apparatus for use in a wellbore The present invention includes a method and apparatus for setting a liner in a wellbore and then expanding a screen in the wellbore in a single trip. In one aspect of the invention, a liner and expandable screen is provided with a slip assembly to fix the liner in t... | 05/11/2004 |
| 6648076 | Gravel pack expanding valve Circulation flow apertures in a wellbore pipe, tubing, casing or casing liner screen may be selectively closed by an internal pipe sleeve that is formed of a thin, malleable material. One axial end of the sleeve is flared and secured to the inner bore sur... | 11/18/2003 |
| 6622794 | Sand screen with active flow control and associated method of use Apparatus and methods are disclosed for actively controlling the flow of hydrocarbon fluids from a producing formation at the downhole sand screen. A preferred embodiment of the invention provides a fluid flow annulus within the production tube inside of ... | 09/23/2003 |
| 6607031 | Screened boot basket/filter A downhole debris filtering apparatus has the flow diverter retracted as the tool is run in. Settling velocity is the rate at which debris will fall through the fluid. Settling velocity is dependent on the density of the fluid and the debris density. If t... | 08/19/2003 |
| 6571869 | Downhole surge pressure reduction and filtering apparatus The present invention provides a downhole cementing apparatus run into a borehole on a tubular. The apparatus is constructed on the pipe in such a way that pressure surge during run-in is reduced by allowing fluid to enter the pipe and utilize the fluid p... | 06/03/2003 |
| 6543539 | Perforated casing method and system A perforated casing may be placed within contaminated soil. Perforations within the casing may be covered during insertion of the casing into the ground. Covering the perforations may inhibit plugging of the perforations during installation. Covering the ... | 04/08/2003 |
| 6533033 | Pump protection system Embodiments of a pump protection system are disclosed which may be used to enclose, protect, and improve the efficiency of a submersible pump. The pump protection system of the instant invention prevents unwanted materials from clogging the pump intake po... | 03/18/2003 |
| 6510896 | Apparatus and methods for utilizing expandable sand screen in wellbores In one aspect of the invention apparatus and methods are provided for completing a wellbore using expandable sand screen. An apparatus including a section of expandable sand screen, and an expanding member is disposed in the wellbore on a tubular run-in s... | 01/28/2003 |
| 6481494 | Method and apparatus for frac/gravel packs A method and apparatus for fracturing a formation or gravel packing a borehole extending through an unconsolidated subterranean zone in a formation includes a screen assembly having a length adapted for disposal adjacent the unconsolidated subterranean zo... | 11/19/2002 |
| 6464006 | Single trip, multiple zone isolation, well fracturing system An apparatus and operating method allows the completion of multiple production zones in a single wellbore with a single downhole trip. The work string descends with a coaxially combined completion string and service string. The completion string is set in... | 10/15/2002 |
| 6446729 | Sand control method and apparatus A well completion is provided to enable sand-control treatment of one or more production zones with only a single trip into a well. In one example arrangement, the completion may include a first, second and third packer. The first packer may be attached t... | 09/10/2002 |
| 6343651 | Apparatus and method for controlling fluid flow with sand control An apparatus for use in a wellbore having a tubing includes a flow control assembly having at least one orifice and a bore capable of communicating with a bore of the tubing. The flow control assembly includes at least one valve adapted to control fluid f... | 02/05/2002 |
| 6318469 | Completion equipment having a plurality of fluid paths for use in a well A system for use in a wellbore includes a tubing having an inner bore and flow switcher assembly. The flow switcher assembly including a first conduit coaxial with the tubing inner bore and a second conduit formed annularly around the first conduit. One o... | 11/20/2001 |
| 6296055 | Combination retrievable drilling fluid filter and wiper A combination collar based retrievable drilling fluid filter and wiper with threaded ends for easy inclusion within the drill string, and a through bore for passage of drilling fluids and insertion of a wire line retrievable filter and wiper unit which is... | 10/02/2001 |
| 6155342 | Proppant containment apparatus A proppant containment apparatus and associated method of using the apparatus permit continued delivery of a proppant slurry to a subterranean wellbore after failure of a crossover portion of the apparatus during a fracturing operation, eliminating the ne... | 12/05/2000 |
| 6148915 | Apparatus and methods for completing a subterranean well Methods and apparatus provide desired levels of continuous fluid pressure in a portion of a wellbore during completion operations. In a described embodiment, a method permits continuous fluid communication between a tubular string extending to the earth's... | 11/21/2000 |
| 6053246 | High flow rate formation fracturing and gravel packing tool and associated methods A formation fracturing and gravel packing tool and associated methods provide high flow rates and volumes of slurry delivery in a relatively small bore well. In a described embodiment, a formation fracturing tool has a telescoping travel joint and a washp... | 04/25/2000 |
| 5915476 | Monitoring well A monitoring well including a conduit defining a passageway, the conduit having a proximal and opposite, distal end; a coupler connected in fluid flowing relationship with the passageway; and a porous housing borne by the coupler and connected in fluid fl... | 06/29/1999 |
