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Class 73/152.23 - With sampling


Subclass of Class 73 - Measuring and testing
Definition: Subject matter including means for obtaining a predetermined
No. of patents: 109
Last issue date: 03/13/2012


1      
NumberTitleIssue Date
8132452Method for sampling fluid from a well with a gas trap
A low maintenance adjustable method for sampling fluid from a well using a gas analyzer, a fluid conditioner, and a gas trap. The gas trap can have a plurality of couplings, a plurality of hammer unions, a plurality of base manifold pipes, a base manifold flow line,...
03/13/2012
8113043Downhole fluid property chromatography
A method for analyzing properties of fluids contained in a geological formation including the steps of lowering a tool containing a chromatograph down to a location within the geological formation; setting the tool into position; extracting a sample of formation flu...
02/14/2012
8037747Downhole fluid characterization based on changes in acoustic properties
Techniques for evaluating physical aspects of a formation fluid from within a wellbore include changing at least one of a pressure on and a temperature of a sample of the formation fluid and transmitting at least one acoustic pulse through the fluid sample and analy...
10/18/2011
7966876Single phase fluid sampling apparatus and method for use of same
An apparatus (100) for obtaining a plurality of fluid samples in a subterranean well includes a carrier (104), a plurality of sampling chambers (102) and a pressure source (108) of the apparatus (100). The carrier (104) has ...
06/28/2011
7950277Apparatus for actuating a pressure delivery system of a fluid sampler
An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing (302) having a longitudinal passageway and defining first and second chambers (338, 348). A piston (346) is disposed within the longitudin...
05/31/2011
7946166Method for actuating a pressure delivery system of a fluid sampler
An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing (302) having a longitudinal passageway and defining first and second chambers (338, 348). A piston (346) is disposed within the longitudin...
05/24/2011
7926342Apparatus for actuating a pressure delivery system of a fluid sampler
An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing (302) having a longitudinal passageway and defining first and second chambers (338, 348). A piston (346) is disposed within the longitudin...
04/19/2011
7874206Single phase fluid sampling apparatus and method for use of same
A fluid sampler operable for taking at least one fluid sample in a subterranean well and associated methods. A fluid sampling method includes the steps of disposing a fluid sampler at a first target location in the well, receiving the fluid sample into at least a fi...
01/25/2011
7856872Single phase fluid sampling apparatus and method for use of same
An apparatus (100) for obtaining a plurality of fluid samples in a subterranean well includes a carrier (104), a plurality of sampling chambers (102) and a pressure source (108) of the apparatus (100). The carrier (104) has ...
12/28/2010
7805988Borehole tester apparatus and methods using dual flow lines
A formation tester system with a tester tool comprising two or more functionally configured flow lines. The two or more functionally connected flow lines cooperating with one or more pumps and cooperating valves direct fluid to and from various axially disposed sect...
10/05/2010
7762130Sampling chamber for a single phase fluid sampling apparatus
An apparatus (300) for obtaining a fluid sample in a subterranean well includes a housing (302) having a sample chamber (314) defined therein. The sample chamber (314) is selectively in fluid communication with the exterior of the housing...
07/27/2010
7748266Device for analyzing at least one gas contained in a liquid, in particular a drilling fluid
A device includes an analyzer (53) and a sampling apparatus (51) for taking a sample of at least one fraction of the gas that has at least one porous membrane element (55). The porous membrane element (55) has a support (63) and a ...
07/06/2010
7673506Apparatus and method for actuating a pressure delivery system of a fluid sampler
An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing (302) having a longitudinal passageway and defining first and second chambers (338, 348). A piston (346) is disposed within the longitudin...
03/09/2010
7669469Method and apparatus for a continuous data recorder for a downhole sample tank
The present invention provides an apparatus and method for continuously monitoring the integrity of a pressurized well bore fluid sample collected downhole in an earth boring or well bore. The CDR continuous by measures the temperature and pressure for the down hole...
03/02/2010
7644610Automated formation fluid clean-up to sampling switchover
Apparatus and method for downhole formation fluid sampling include conveying a carrier into a well borehole that traverses a subterranean formation of interest, the carrier having a port and placing the port in fluid communication with the subterranean formation of ...
01/12/2010
7596995Single phase fluid sampling apparatus and method for use of same
An apparatus (100) for obtaining a plurality of fluid samples in a subterranean well includes a carrier (104), a plurality of sampling chambers (102) and a pressure source (108). The carrier (104) has a longitudinally extending int...
10/06/2009
7516654Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents
A formation fluid sample is exposed to a rigidly-supported semi-permeable membrane such as silicone rubber to permit diffusion of gases and vapors from the formation fluid into a vacuum chamber, while at the same time, blocking the passage of any liquids. The membra...
04/14/2009
7472589Single phase fluid sampling apparatus and method for use of same
An apparatus (300) for obtaining a fluid sample in a subterranean well includes a housing (302) having a sample chamber (314) defined therein. The sample chamber (314) is selectively in fluid communication with the exterior of the housing...
01/06/2009
7438128Identifying zones of origin of annular gas pressure
A method for identifying annular gas sources in a wellbore is disclosed. In one embodiment, the method comprises providing a set of parameters, wherein the set of parameters corresponds to depths in the wellbore. In addition, the method comprises analyzing annular g...
10/21/2008
7395691Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration
A process to analyze fluid entrained in well boreholes. The process includes gathering trap gas samples from return of drilling mud at multiple depths. The process also includes the steps of subjecting the samples to mass spectrometry in order to determine mass to c...
07/08/2008
7373812Apparatus for sampling and logging on all producing zones of a well
The present invention discloses a full reservoir sampling and testing apparatus having a ground surface testing and controlling tool (36) and a downhole tool (1), the downhole tool (1) comprises a wireline bridle (21), an adapter joint AH...
05/20/2008
7363829Drill cutting sampler
A device for sampling drill cuttings includes a frame, an inclined perforated member mounted on the frame, a sprayer for washing cuttings down over the perforations, and a removable open-topped cuttings collector mounted under the perforated member, the perforated m...
04/29/2008
7363972Method and apparatus for well testing
A method for testing petroleum or water wells. A tool is secured to a tubing and run into the well and to the reservoir zone to be explored. An upper and a lower seal isolate the reservoir zone. A piston is run into the tubing and pumped down to the tool. When sampl...
04/29/2008
7347945Method and an installation for separating out multiphase effluents
The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste...
03/25/2008
7347262Downhole sampling tool and method for using same
Methods and apparatuses for sampling fluid from a subterranean formation penetrated by a wellbore are provided. The subterranean formation has clean formation fluid therein, and the wellbore has a contaminated fluid therein extending into an invaded zone about the w...
03/25/2008
7318343System for detecting gas in a wellbore during drilling
A system is provided for detecting the presence of formation gas in a stream of drilling fluid flowing through a wellbore during drilling of the wellbore. The system has at least one sensor chamber connectable to a drill string for drilling the wellbore, each sensor...
01/15/2008
7319332Method for determining of the formation factor for a subterranean deposit from measurements on drilling waste removed therefrom
Method and device for determining the formation factor of underground zones from drill cuttings. The device comprises a cell (1) associated with a device for measuring the electrical conductivity of the cell with the content thereof. The cell containing the d...
01/15/2008
7263881Single probe downhole sampling apparatus and method
A single probe system is utilized to quickly obtain uncontaminated formation fluid samples. The single probe includes an outer guard tube and an inner sampling tube which is slightly recessed relative to the outer tube such that the pressure at the front face of the...
09/04/2007
7240546Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents
A formation fluid sample is exposed to a rigidly-supported semi-permeable membrane such as silicone rubber to permit diffusion of gases and vapors from the formation fluid into a vacuum chamber, while at the same time, blocking the passage of any liquids. The membra...
07/10/2007
7234521Method and apparatus for pumping quality control through formation rate analysis techniques
The present invention provides a method and apparatus for determination of the quality of a formation fluid sample including monitoring permeability and mobililty versus time to determine a filtrate contamination level, single phase state without gas and solids in t...
06/26/2007
7231819Chemical sensor for wellbore applications
There is described an analyzing device having two separation units to separate molecular species to detect molecular species in wellbore fluids with both separation units operating under forced flow conditions to provide for an active separation of subterranean well...
06/19/2007
7222546Method and apparatus for sediment characterization
A method for characterizing contaminants within sediment comprising positioning a sampler in a continuous manner within the sediment, exposing the sampler to the sediment for a dwell time, retrieving the sampler, and analyzing the sampler. The sampler is exposed to ...
05/29/2007
7216533Methods for using a formation tester
A method of testing a downhole formation using a formation tester on a drill string. The formation tester is disposed downhole on a drill string and a formation test is performed by forming a seal between a formation probe assembly and the formation. A drawdown pist...
05/15/2007
7210344Method for measuring formation properties with a time-limited formation test
An apparatus and method for determining at least one downhole formation property is disclosed. The apparatus includes a probe and a pretest piston positionable in fluid communication with the formation, and a series of flowlines pressure gauges, and valves configure...
05/01/2007
7210343Method and apparatus for obtaining a micro sample downhole
The present invention provides a downhole sample tank and a plurality of micro sample chambers. The micro sample chambers can have at least one window for introduction of visible, near-infrared (NIR), mid-infrared (MIR) and other electromagnetic energy into the tank...
05/01/2007
7210342Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration
A process to analyze fluid entrained in well boreholes. The process includes gathering trap gas samples from return of drilling mud at multiple depths. The process also includes the steps of subjecting the samples to mass spectrometry in order to determine mass to c...
05/01/2007
7197923Single phase fluid sampler systems and associated methods
A single phase fluid sampler system and associated methods. A fluid sampling method includes the steps of: receiving a fluid sample into a sample chamber of a fluid sampler; pressurizing the fluid sample using a pressure source; and increasing pressure in the pressu...
04/03/2007
7191672Single phase sampling apparatus and method
A single phase sampling apparatus and method for retrieving a formation fluid sample at or above the bubble point of the sample. The apparatus utilizes a gas charge contained between a sample piston and a charging piston to maintain a formation sample at the desired...
03/20/2007
7178392Determining the pressure of formation fluid in earth formations surrounding a borehole
A method for determining formation fluid pressure in earth formation surrounding a borehole wall uses a downhole probe coupled to a variable-volume cavity. The probe is driven into contact with formation at the borehole wall. The method includes expanding the volume...
02/20/2007
7178391Insertion tube methods and apparatus
A drill string comprises a first drill string member having a male end; and a second drill string member having a female end configured to be joined to the male end of the first drill string member, the male end having a threaded portion including generally square t...
02/20/2007
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