Matches 1 - 43 out of 43
Match Document Document Title
7478024 Integrated reservoir optimization  
A method of managing a fluid or gas reservoir is disclosed which assimilates diverse data having different acquisition time scales and spatial scales of coverage for iteratively producing a...
7364007 Integrated acoustic transducer assembly  
Acoustic transducers configured with integrated electronics technology are adapted to digitize signal data close to the transducer. The transducers are packaged with a reduced number of elements...
7356411 Method for acquiring and interpreting transient electromagnetic measurements  
A method for interpreting transient electromagnetic survey data includes measuring transient response of a medium over a plurality of switching events. The measured transient response to a first...
7207395 Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement  
A method and system for testing a partially formed well includes forming a first well bore intersecting a subterranean formation. The first well bore includes a portion of a planned well having a...
7012852 Method, apparatus and system for detecting seismic waves in a borehole  
A method, apparatus and system for detecting seismic waves. A sensing apparatus is deployed within a bore hole and may include a source magnet for inducing a magnetic field within a casing of the...
6986389 Adjustable deployment apparatus for an actively clamped tubing-conveyed in-well seismic station  
The present invention generally relates to an apparatus and method for seismic monitoring. In one aspect, an apparatus for acoustically coupling a sensor mechanism to a surface in a wellbore is...
6980940 Intergrated reservoir optimization  
A method of managing a fluid or gas reservoir is disclosed which assimilates diverse data having different acquisition time scales and spatial scales of coverage for iteratively producing a...
6898149 Reprogrammable downhole telemetry and control system  
A reprogrammable data communications system for use in a gas or oil well borehole is disclosed. The borehole includes a casing and a piping structure therein and at least one downhole equipment...
6814167 Boring device and boring method  
A boring device for producing a bore with a casing tube has a linkage, a boring tool, which can be fixed to the lower end of the linkage, a mounting frame for mounting on the casing tube, a drive...
6747914 Use of minor borehole obstructions as seismic sources  
An acoustic system and method for monitoring a hydrocarbon reservoir. Wellbore tube wave energy may be created by natural or ambient sources or tube waves may be excited intentionally. Wellbore...
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...
6712140 3rd borehole radar antenna and algorithm, method and apparatus for subsurface surveys  
The invention relates to a borehole radar tool comprising, in a housing ( 2 ) a transmitting antenna and a receiving antenna both of which comprise, near the housing wall ( 2 ), a dipole antenna (...
6619393 Method for locating oil wells  
The present invention relates to a method whereby two well locations are employed to find a distribution of points where additional well locations can be found. The distribution of points form an...
6618695 Method for gradually deforming a stochastic model of a heterogeneous medium such as an underground zone  
Method for gradually deforming, totally or locally, a Gaussian or similar type stochastic model of a heterogeneous medium such as an underground zone, constrained by a series of parameters relative...
6581685 Method for determining formation characteristics in a perforated wellbore  
A method for determining the characteristics of a subterranean formation penetrated by an existing or drilled well is disclosed. The method uses a mathematical model to estimate formation...
6534986 Permanently emplaced electromagnetic system and method for measuring formation resistivity adjacent to and between wells  
Systems and methods for determining characteristics of geologic formations between conductively lined wellbores. At least one transmitter is axially disposed at a selected depth in a first wellbore...
6499344 Apparatus and method to obtain representative samples of oil well production  
A well tester adapted to select among members of an oil well family to provide a purged and clean vessel to receive samples of well production that include gas and oil, and by selective use of...
6321839 Method of and probe for subsurface exploration  
A method and probe for detecting the concentration of a substance in a measurement region in a subsurface exploration wherein the electromagnetic energy is delivered to this region and picked up...
6273202 Swab test for determining relative formation productivity  
The productivity of a formation is determined by stroking the drill bit up and down (swabbing) in the zone of interest for creating a suction in the wellbore and inducing the flow of hydrocarbons...
6230557 Formation pressure measurement while drilling utilizing a non-rotating sleeve  
A downhole tool and method are provided for collecting data from a subsurface formation during drilling operations. The tool includes a tubular mandrel adapted for axial connection in a drill...
6216533 Apparatus for measuring downhole drilling efficiency parameters  
A downhole drilling efficiency sensor (DES) apparatus for use with drilling operations in oil and gas exploration, that accurately measures important drilling parameters at or near the drill bit in...
6212948 Apparatus and method to obtain representative samples of oil well production  
An apparatus and process for obtaining representative samples of fluids produced from one or more oil wells by means of a closed vessel chamber with lease water supply port connected to a lease...
6206099 Method for relating multiple oil or gas wells to each other  
A method of relating three or four producing wells in an existing fossil fuel drilling field utilizes the equation Y 2 +XY-X 2 =0. The independent variable X represents the distance between...
6102115 Integral standoff of induction sondes to minimize correction of borehole conductivity effects  
This disclosure sets out an induction logging tool enclosed in a cylindrical shell between top and bottom located end connected subs of larger diameter. The ends are larger; they define a standoff...
5947199 Method of monitoring a mineral reservoir  
A method for monitoring production mineral reservoirs, the method comprising: permanently installing a geophone in a borehole; generating a first set of seismic waves; receiving a first set of...
5909772 Apparatus and method for estimating liquid yield of a gas/condensate reservoir  
Apparatus and method for determining a liquid yield from a gas/condensate reservoir. The apparatus and method first determines the porosity at each depth of a reservoir, using open hole logging...
5646342 Method of Locating Hydrocarbon reserves  
A method of locating hydrocarbon reserves comprising: selecting on the basis of a hydrocarbon hypothesis from a region of interest below the surface of the earth patches having probabilities of...
5585556 Method and apparatus for performing measurements while drilling for oil and gas  
A method and equipment are described for performing measurements while drilling for oil or gas, in particular VSP-measurements employing a seismic source together with sensors such as hydrophones...
5388456 Procedure in order to detect the gas potential in sedimentary basins and the oil potential obtained from this  
Thermocatalytically generated gaseous hydrocarbons from gas or oil prone source rocks in subsiding sedimentary basins and those penetrating the seal of gas or oil accumulations at the surface reach...
5243562 Method and equipment for acoustic wave prospecting in producing wells  
A method of installing a reception device in a cased well at an optimum depth for surveying a formation under production or a localized part thereof and a source of acoustic waves at the surface or...
5016727 Method and device of seismic prospection in wells and particularly deviated wells  
A method and device are disclosed particularly adapted for seismic prospection in substantially horizontal drains using intermediate frequency acoustic waves for conciliating the range and the...
4681854 Geochemical oil prospecting method using in situ simulation of diagenetic processes  
A process for in situ simulation of diagenetic processes in a subterranean formation is provided. A mineral substrate is placed in the formation of interest in a sealed vessel. The vessel is opened...
4646832 Determining residual oil saturation by injecting salts of carbonic and halocarboxylic acids  
Residual oil saturation is determined by injecting water containing or contacting dissolved halocarboxylic acid salt and carbonate salt into an oil and water containing reservoir and...
4278128 Petroleum recovery chemical retention prediction technique  
The amount of a petroleum recovery chemical retained within a subterranean reservoir is predicted by first gathering data from at least one injection-soak-production cycle in a core wherein the...
4158957 Method for determining the fluid saturation of an immobile phase in a reservoir  
A method is disclosed for determining the relative amounts of two fluid phases in a subterranean formation, one phase being mobile and the other being substantially immobile. A sweep fluid which is...
4090398 Method for determining fluid saturations in reservoirs  
A method for determining the relative amounts of two fluid phases in a subterranean formation containing one mobile phase and a substantially immobile phase. A fluid which is substantially free of...
3921126 Method of seismically delineating the permeable extent of oil-containing formations  
A first seismic survey of an exploration area is conducted thereby giving the reflection characteristics of subsurface layering followed by the introduction of gas into one or more selected...
3740641 PROCESS FOR DETERMINING HYDROCARBON MATURITY USING ELECTRON SPIN RESONANCE  
A process for predicting the presence and maturity of hydrocarbon material in a subterranean situs by initially treating a number of rock samples derived from an exploratory well or surface...
3524346 GEOCHEMICAL PROSPECTING METHOD  
3428431 GEOCHEMICAL PETROLEUM EXPLORATION METHOD  
3380292 Distribution of fluids in a medium  
3302706 Soil gas prospecting for petroleum  
3033287 Geochemical process  
Matches 1 - 43 out of 43