Class 166/250.09 - Impression means

Subclass of Class 166 - Wells
Definition: Measuring including the step(s) of taking an imprint of
No. of patents: 32
Last issue date: 09/18/2007

Number	Title	Issue Date
7270177	Instrumented packer A technique that is usable with a subterranean well includes communicating a fluid into a region of the well and monitoring a level of the fluid communicated via a downhole sensor. The communication is controlled in response to the monitoring. ...	09/18/2007
7182134	Intelligent well system and method An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement o...	02/27/2007
7111681	Interpretation and design of hydraulic fracturing treatments Solutions for the propagation of a hydraulic fracture in a permeable elastic rock and driven by injection of a Newtonian fluid. Through scaling, the dependence of the solution on the problem parameters is reduced to a small number of dimensionless parameters. ...	09/26/2006
7040402	Instrumented packer A technique that is usable with a subterranean well includes communicating a fluid into a region of the well and monitoring a level of the fluid communicated via a downhole sensor. The communication is controlled in response to the monitoring. ...	05/09/2006
7037724	Method for storing and transporting crude oil Disclosed is a method for transporting blended crude oils comprising the steps of; (a) admixing a first crude oil with a second, different crude oil to form a crude oil admixture; (b) determining a first value representing the content of unprecipitated asphaltenes i...	05/02/2006
7025144	Wellbore liner system Wellbore apparatus has been invented which, in at least certain aspects, includes a wellbore apparatus having a tubular member with a top end, a bottom end, a hollow portion, and a window therethrough, a sleeve positioned within the hollow portion of the tubular mem...	04/11/2006
6935424	Mitigating risk by using fracture mapping to alter formation fracturing process A formation fracturing method with which to mitigate risk to hydrocarbon productivity includes pumping fracturing fluid, during at least part of a fracturing job time period, into a well to fracture a formation; generating signals, within the fracturing job time per...	08/30/2005
6260618	Method for locating placement of a guide stock in a multilateral well A method for locating placement of a guide stock in a multilateral well wherein the guide stock is properly aligned with the lateral borehole. The method employs an impression packer with a scribed reference line to provide information at the surface rega...	07/17/2001
5799732	Small hole retrievable perforating system for use during extreme overbalanced perforating A slickline conveyed perforating method and apparatus is adapted to be disposed in an extremely small diameter cased borehole, especially during extreme overbalanced perforating conditions, and the apparatus includes one or more shock absorbed pressure an...	09/01/1998
5651415	System for selective re-entry to completed laterals The present invention is directed to a method for the entry of a tool from a cased wellbore into a lined and sealed completed lateral which includes the steps of measuring the distance from at least one apex of the ellipse formed by the intersection of th...	07/29/1997
5165276	Downhole measurements using very short fractures A method of performing small scale micro hydraulic fracturing in which fluid is pumped into the test interval until the initiation of a fracture is indicated, immediately after which fluid is pumped out of the interval so as to prevent propagation of the ...	11/24/1992
5105659	Detection of fracturing events using derivatives of fracturing pressures In accordance with illustrative embodiments of the present invention, a method of determining fracture behavior from downhole pressure measurements that are made during a hydraulic well fracturing operation includes pumping fracturing fluids at a constant...	04/21/1992
5070457	Methods for design and analysis of subterranean fractures using net pressures A method for determining the geometry of a fracture in a subterranean formation is provided in which the geometry is determined using net fracturing pressure. The method can be used for both fracture design and on-site or post treatment fracture analysis....	12/03/1991
5050690	In-situ stress measurement method and device A method for obtaining in-situ stress measurements in a well is accomplished by installing a membrane packer on a drill string. The packer membrane is attached near the drilling tool and is capable of being radially expanded by fluid pressure to abut agai...	09/24/1991
4926940	Method for monitoring the hydraulic fracturing of a subsurface formation A method for monitoring the hydraulic fracturing of a subsurface formation. The formation is fractured with a fracturing fluid or a proppant containing a characteristic element of the formation which emits delayed gamma rays when activated with neutrons. ...	05/22/1990
4916946	Method of flowing a high viscosity substance through a conduit at a low apparent viscosity A method of flowing a high viscosity substance, such as a delayed cross-linked fracturing gel, through a conduit or well fracture at a low apparent viscosity comprises selecting a cross-linkable fluid having nonhomogeneous flow properties and flowing the ...	04/17/1990
4867241	Limited entry, multiple fracturing from deviated wellbores A hydraulic fracturing process for inducing simultaneously, multiple vertical fractures in a deviated well bore located in a subterranean formation for the removal of resources therefrom, particularly hydrocarbonaceous fluids. Said process results in incr...	09/19/1989
4858130	Estimation of hydraulic fracture geometry from pumping pressure measurements A pump is coupled through a discharge line to a wellbore, which in turn intersects a fracture, the wellbore and fracture being filled with fluid to form a fluid system. Sensors are located in position at the top and, under certain circumstances, at the bo...	08/15/1989
4832121	Methods for monitoring temperature-vs-depth characteristics in a borehole during and after hydraulic fracture treatments A method for monitoring in real time the growth of an hydraulic fracture in an earth formation traversed by a well borehole. Growth of the fracture is observed by measuring the temperature of the borehole fluid at selected times during the fracturing proc...	05/23/1989
4828051	Method and apparatus for data transmission in a well using a flexible line with stiffener A method and means is provided for receiving and passing data up hole to the top (22) of a well bore (20a) while passing fracturing fluid (54,60) down hole to a geological formation (44) at a zone (29) in the well bore. A flexible line (36) has suspended ...	05/09/1989
4800753	Geomechanical probe for a drilling well A geomechanical probe for a drilling well comprises a logging box located between two inflatable preventers and including a plurality of tracers movable radially and urged outwards by springs for engaging the well wall. The tracers are mounted on pistons ...	01/31/1989
4744245	Acoustic measurements in rock formations for determining fracture orientation A method and system for determining the probable direction of extension of a hydraulically induced fracture in a hydrocarbon bearing formation wherein prior to inducing the fracture, the formation region to be fractured is heated and thermally induced aco...	05/17/1988
4667738	Oil and gas production enhancement using electrical means Disclosed is a method and apparatus for enhancing oil and/or gas production from a subterranean well by using high energy, short duration electrical pulses to fracture underground rock formations containing entrapped oil or gas. The invention obviates the...	05/26/1987
4660415	Method for determining at least one magnitude characteristic of a geological formation A method is provided for determining at least one characteristic magnitude of a geological formation from a so-called characteristic set formed of three magnitudes designated respectively by K1C, ς3 and HF which are the s...	04/28/1987
4660638	Downhole recorder for use in wells Method and apparatus for recording data downhole in a borehole. A recorder having a data memory is lowered into a data recording position in the borehole. A signal is transmitted downhole into the borehole and the recorder is initiated to begin recording ...	04/28/1987
4630868	Process for solution mining The present invention embodies an improved method for the in situ mining of low to impermeable minerals to sweep out sections of deposits beneath the surface of the earth. Practicing the method of the invention generally involves: locating, by exploration...	12/23/1986
4524434	Method for determining the azimuth and length of a deep vertical fracture in the earth In the hydraulic fracturing of deep geologic formations for the production of fluid hydrocarbons, and where vertical fractures are formed, a method is described, using seismic geophysical techniques, for determining the azimuth and length of the fractures...	06/18/1985
4022275	Methods of use of sonic wave generators and modulators within subsurface fluid containing strata or formations Various methods are shown as to the use of sonic wave generators, or sonic wave generators and modulators as to treating in the fracturing of, the acidizing of or the driving of fluids such as oil, gas or other fluids from subsurface fluid containing stra...	05/10/1977
4013123	Hydraulically actuated wire line apparatus A self-contained wire line inflatable packer useful to carry an impression sleeve into a well for making impressions of the well surface, the inflatable sleeve of the wire line packer being automatically sequentially inflated and deflated by a valve contr...	03/22/1977
4005750	Method for selectively orienting induced fractures in subterranean earth formations The orientation of hydraulically-induced fractures in relatively deep subterranean earth formations is normally confined to vertical projections along a plane parallel to the maximum naturally occurring (tectonic) compressive stress field. It was found th...	02/01/1977
3960212	Method of obtaining impression information from a well A self-contained wire line inflatable packer useful to carry an impression sleeve into a well for making impressions of the well surface, the inflatable sleeve of the wire line packer being automatically sequentially inflated and deflated by a valve contr...	06/01/1976
3960215	Method and apparatus for performing sequentially timed operations in a well A self-contained wire line inflatable packer useful to carry an impression sleeve into a well for making impressions of the well surface, the inflatable sleeve of the wire line packer being automatically sequentially inflated and deflated by a valve contr...	06/01/1976

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Class 166/250.09 - Impression means