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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 166/69 - With receptacle for insertion into well


Subclass of Class 166 - Wells
Definition: Devices comprising the combination of an above ground apparatus
No. of patents: 25
Last issue date: 09/08/2009


NumberTitleIssue Date
7584785Groundwater sampling device
A replaceable DC electric motor and kit for a groundwater sampling and pumping device and system for withdrawing groundwater from a well. The motor is provided with means to align the motor with an alignment pin in the groundwater sampling device. ...
09/08/2009
7347259Downhole oilfield erosion protection by using diamond
A device for use with components for a downhole tool—such as a throat, a nozzle, or a diffuser—used for cleaning a wellbore, are disclosed which decreases the erosion of the components. The device may be comprised of a hardened material, such as stack of pure di...
03/25/2008
7347256Portable well fluid extraction apparatus
Well fluid extraction apparatus includes a resiliently downwardly biased discharge head and a canister lowerable from the discharge head into the well to receive fluid therefrom, and then liftable into telescoped engagement with the discharge head. A specially confi...
03/25/2008
7343969Secondary packing arrangement for reciprocating pump polished rod
A secondary packing arrangement is provided for use with a well having a reciprocating pump and polished rod, and in combination with a stuffing box, the stuffing box being modified. Packing seals, a barrier fluid and a pressure transmitter cooperate with modified s...
03/18/2008
7331397Gas drive fluid lifting system
A passive collection and pneumatic lifting system located in a well comprising a pneumatic tube, a fluid tube mounted within the pneumatic tube creating an annulus and a jet barrel chamber formed between the pneumatic tube and fluid tube in fluid communication at th...
02/19/2008
7311152Gas operated pump for hydrocarbon wells
The present invention generally relates to an apparatus and method for improving production from a wellbore. In one aspect, a downhole pump for use in a wellbore is provided. The downhole pump includes two or more chambers for the accumulation of formation fluids an...
12/25/2007
7150325ROV retrievable sea floor pump
A subsea pumping assembly locates on a seafloor for pumping well fluid from subsea wells to the level. The pumping assembly has a tubular outer housing that is at least partially embedded in the seafloor. A tubular primary housing locates in the outer housing and ha...
12/19/2006
7114572System and method for offshore production with well control
A system and method is provided for artificially lifting fluids from a formation. The system utilizes a production control unit having a jet pump assembly and valving to both lift the desired fluids and to provide well control. ...
10/03/2006
7021373Downhole hydraulic ram
A system and method for pumping water from a wellbore to a surface location using an improved motorless water pump. The improved motorless water pump is a downhole hydraulic ram pump powered by the renewable energy source, groundwater. As water falls down a wellbore...
04/04/2006
6810953Shock absorber for oil well pumping unit
A shock absorber for use between the reciprocating member of an oil well pumping mechanism and a polish rod connected to the rod spring and movable along a vertical pumping axis. The shock absorber comprises an upper and lower end plate having a peripheral surface a...
11/02/2004
6659176Method for monitoring remediation of non aqueous phase solution
A method and apparatus for remediation of non-aqueous phase liquids (NAPL), including the use of a prior art hydrophobic adsorption system including a continuous loop of adsorptive material, with a weighted pulley on the free end of the loop to allow for ...
12/09/2003
6354371Jet pump assembly
A jet pump assembly 10 for use in a subterranean wellbore 82 to lift produced fluids 72 to the surface, comprising a fixed type jet pump assembly 10 including a retrievable insert assembly 30 for retrieving substantially all working components of the jet ...
03/12/2002
6318471Method for installing tubular members axially into the earth
A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which results in a signi...
11/20/2001
6227226Fire activated, fail safe, gate valve bonnet
A well control system having well controlled fluids distributed through pipes includes valves that are opened by a heat softened valve obstruction element. The translation of a fluid flow obstructing gate in a gate valve is driven by a stem element attach...
05/08/2001
6092602Sealed lateral wellbore junction assembled downhole
Apparatus and methods are provided which may be used in completing a wellbore junction. A lateral wellbore junction is sealed utilizing an apparatus assembled within the well. The apparatus may include multiple housings which are engaged with each other t...
07/25/2000
5928520Method and apparatus for extracting ground water contaiminants
An oil skimmer and method of operation for removing hydrocarbon contaminates from ground water are disclosed. A drive pulley and upper portions of a pickup belt of a belt type oil skimmer are encased within a hermetically sealed housing. A seal collar for...
07/27/1999
5896924Computer controlled gas lift system
Computer control and sensory information are combined with gas lift valve having a plurality of individual openings which are openable or closeable individually to provide varying flow rates of the lift gas. Each of the openings is controlled and is sensi...
04/27/1999
5706892Downhole tools for production well control
A plurality of electronically controlled downhole tools and systems for use in production wells is presented. These tools and systems include safety valve and pressure monitoring systems, remotely controlled inflation/deflation devices, remotely actuated ...
01/13/1998
5692567Portable fluid lifting apparatus
A portable oil recovery apparatus especially for use at de-pressurized wells. It is simple and inexpensive to build and to operate. The apparatus is small and lightweight enough so that it can be transported in a pickup truck for easy movement between wel...
12/02/1997
5431228Downhole gas-liquid separator for wells
A downhole gas-liquid separator for multiphase fluid producing wells includes a tubular member with a spiral baffle disposed therein and a duct including an inlet disposed adjacent the discharge end of the spiral baffle. Fluid flow into the separator unde...
07/11/1995
5322119Submersible well probe sleeve
A submersible well probe sleeve made of a cylindrical tube attached to a submersible pump. The cylindrical tube has a number of slots exposing access to a protective pouch. Inside the protective pouch a fluid level sensing probe is placed. The fluid has a...
06/21/1994
5080781Down-hole hydrocarbon collector
A portable low-viscosity hydrocarbon collector incorporating an endless absorption belt for collecting low-viscosity hydrocarbon liquids from a well and pumping those liquids to the surface. The collector incorporates a plurality of rollers which may be a...
01/14/1992
4779682Method for the grit-free withdrawal of water from a well and also a device suitable therefor
In a well with filter tube and filter gravel fill a slot profile for a collection element forming the suction tube has larger suction cut-outs at the bottom than at the top and effects an equalization of the flow velocity of the water passing into the fil...
10/25/1988
4119150Method for treating well bores and apparatus therefor
The method and apparatus of the invention involves treatment of a subterranean site, i.e., the producing sand sites, in a well bore to prevent infiltration of subterranean solids into the well bore or to stabilize or modify the area surrounding a portion ...
10/10/1978
3993137Method and device for extinguishing fires in oil wells
Method and apparatus for extinguishing fires in oil wells. The method includes the steps of: attaching a shell which is integral with required guides and valves to the outer oil producing pipe or its casing; inserting at least one positioning pin member t...
11/23/1976
 
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