Patents by Inventor Fikri Kuchuk
Fikri Kuchuk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230279774Abstract: Methods for interpreting pressure transient tests and predicting future production for a well are provided. In one embodiment, a method for predicting future production includes beginning a pressure transient test within a well at a wellsite and obtaining pressure measurements of well fluid during the pressure transient test. The method can also include using the obtained pressure measurements to determine probabilistic estimates of input parameters of a pressure transient reservoir model while continuing the pressure transient test. Future production from the well can then be estimated based on the probabilistic estimates of the input parameters. Other methods and systems are also disclosed.Type: ApplicationFiled: May 24, 2023Publication date: September 7, 2023Inventors: Nikita Chugunov, Sukru Sarac, Kirsty Morton, Fikri Kuchuk, Terizhandur S. Ramakrishnan, Stephane Vannuffelen
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Patent number: 11603740Abstract: Methods for interpreting pressure transient tests and predicting future production for a well are provided. In one embodiment, a method for predicting future production includes beginning a pressure transient test within a well at a wellsite and obtaining pressure measurements of well fluid during the pressure transient test. The method can also include using the obtained pressure measurements to determine probabilistic estimates of input parameters of a pressure transient reservoir model while continuing the pressure transient test. Future production from the well can then be estimated based on the probabilistic estimates of the input parameters. Other methods and systems are also disclosed.Type: GrantFiled: July 13, 2018Date of Patent: March 14, 2023Assignee: Schlumberger Technology CorporationInventors: Nikita Chugunov, Sukru Sarac, Kirsty Morton, Fikri Kuchuk, Terizhandur S. Ramakrishnan, Stephane Vannuffelen
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Publication number: 20190017352Abstract: Methods for interpreting pressure transient tests and predicting future production for a well are provided. In one embodiment, a method for predicting future production includes beginning a pressure transient test within a well at a wellsite and obtaining pressure measurements of well fluid during the pressure transient test. The method can also include using the obtained pressure measurements to determine probabilistic estimates of input parameters of a pressure transient reservoir model while continuing the pressure transient test. Future production from the well can then be estimated based on the probabilistic estimates of the input parameters. Other methods and systems are also disclosed.Type: ApplicationFiled: July 13, 2018Publication date: January 17, 2019Inventors: Nikita Chugunov, Sukru Sarac, Kirsty Morton, Fikri Kuchuk, Terizhandur S. Ramakrishnan, Stephane Vannuffelen
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Patent number: 8515721Abstract: A method for determining rock and fluid properties of a fluid-containing subsurface geological formation is provided. First, a low resolution model of the geological formation is initially created from a lumped average parameter estimation derived from at least fluid pressure transient data obtained along a linear wellbore that traverses the formation. Next, the model parameters are updated using grid-based parameter estimation in which the low resolution pressure transient data are combined with data from at least one of seismic data, formation logs, and basic geological structural information surrounding the linear wellbore. Depending on the data available, this process may be carried out in a sequential manner by obtaining and combining additional dynamic data at selected areas. Through this process, multiple realizations of the properties of the geological formation (within the geological structural model) may be created based from the pressure-data conditioned geostatistics i.e.Type: GrantFiled: October 1, 2010Date of Patent: August 20, 2013Assignee: Schlumberger Technology CorporationInventors: Kristy Morton, Fikri Kuchuk, Richard Booth, Mustafa Onur
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Publication number: 20120186809Abstract: A method of installing a sensor system for making pressure measurements in downhole formations surrounding a wellbore includes placing a sensor in direct pressure communication with the formations from a predetermined position in the wellbore; and isolating the sensor with an elastomeric sealing means placed against the formation wall in order to prevent hydraulic pressure communication between the sensor and the inside of the wellbore.Type: ApplicationFiled: October 25, 2011Publication date: July 26, 2012Inventors: BERNARD MONTARON, FIKRI KUCHUK
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Patent number: 8191416Abstract: An example instrumented formation tester for injecting fluids and monitoring of fluids described herein includes a downhole tool which can be deployed in a wellbore via a wireline or a drill string. The downhole tool may facilitate the injection of fluids into an underground formation, and the monitoring of the directions in which the injected fluids flow in the formation in an open hole environment. In particular, the downhole tool may be configured for removing the mud cake from a portion of the wellbore wall for facilitating a fluid communication with the formation to be tested.Type: GrantFiled: November 24, 2008Date of Patent: June 5, 2012Assignee: Schlumberger Technology CorporationInventors: Fikri Kuchuk, Terizhandur S. Ramakrishnan, Tarek M. Habashy, Ian Falconer, Saygi Gokhan, Edward Harrigan, Anthony Goodwin, Lawrence Leising, Fernando Mattos
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Patent number: 8113044Abstract: A system for making pressure measurements in a formation surrounding a wellbore includes a sensor which, in use, is positioned into direct pressure communication with the formation from a predetermined location in the wellbore, and a means for isolating the sensor, when in use, from pressure effects arising from the wellbore.Type: GrantFiled: June 4, 2008Date of Patent: February 14, 2012Assignee: Schlumberger Technology CorporationInventors: Bernard Montaron, Fikri Kuchuk
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Publication number: 20110246161Abstract: A method for determining rock and fluid properties of a fluid-containing subsurface geological formation is provided. First, a low resolution model of the geological formation is initially created from a lumped average parameter estimation derived from at least fluid pressure transient data obtained along a linear wellbore that traverses the formation. Next, the model parameters are updated using grid-based parameter estimation in which the low resolution pressure transient data are combined with data from at least one of seismic data, formation logs, and basic geological structural information surrounding the linear wellbore. Depending on the data available, this process may be carried out in a sequential manner by obtaining and combining additional dynamic data at selected areas. Through this process, multiple realizations of the properties of the geological formation (within the geological structural model) may be created based from the pressure-data conditioned geostatistics i.e.Type: ApplicationFiled: October 1, 2010Publication date: October 6, 2011Inventors: Kirsty Morton, Fikri Kuchuk, Richard Booth, Mustafa Onur
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Publication number: 20100126717Abstract: An example instrumented formation tester for injecting fluids and monitoring of fluids described herein includes a downhole tool which can be deployed in a wellbore via a wireline or a drill string. The downhole tool may facilitate the injection of fluids into an underground formation, and the monitoring of the directions in which the injected fluids flow in the formation in an open hole environment. In particular, the downhole tool may be configured for removing the mud cake from a portion of the wellbore wall for facilitating a fluid communication with the formation to be tested.Type: ApplicationFiled: November 24, 2008Publication date: May 27, 2010Inventors: Fikri Kuchuk, Terizhandur S. Ramakrishnan, Tarek M. Habashy, Ian Falconer, Saygi Gokhan, Edward Harrigan, Anthony Goodwin, Lawrence J. Leising, Fernando Mattos
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Publication number: 20100076740Abstract: A method and system for well test design and interpretation, comprising a testing manager system, which includes at least one of testing hardware and gauge metrology; a geological model coupled to the testing manager system; a dynamic and static engineering data acquisition system coupled to the geological model; and a reservoir modeling system coupled to the dynamic and static engineering data acquisition system to generate a reservoir model. Also provided is a method and computer program for controlling, driving, and enabling the devices, systems, and subsystems presented herein through interaction with a human user, or the like.Type: ApplicationFiled: September 8, 2009Publication date: March 25, 2010Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Fikri Kuchuk, Rajat Sood, Younes Jalali, Shahram Amini, Mohammad Zafari
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Publication number: 20090139322Abstract: A system for making pressure measurements in a formation surrounding a wellbore includes a sensor which, in use, is positioned into direct pressure communication with the formation from a predetermined location in the wellbore, and a means for isolating the sensor, when in use, from pressure effects arising from the wellbore.Type: ApplicationFiled: June 4, 2008Publication date: June 4, 2009Applicant: Schlumberger Technology CorporationInventors: Bernard Montaron, Fikri Kuchuk
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Patent number: 7445043Abstract: A method for detecting pressure disturbances in a formation accessible by a borehole while performing an operation includes positioning a tool within the borehole, positioning a first probe of the tool at a first location, positioning a second probe of the tool at a second location remote from the first location to obtain a pressure reading, performing an operation with the first probe, detecting the presence of a first phase fluid within the tool, detecting a pressure disturbance within the formation with the second probe, and identifying a second phase fluid based on the detection of the pressure disturbance. Other methods and systems for detecting pressure disturbances in the formation are further shown and described.Type: GrantFiled: February 16, 2006Date of Patent: November 4, 2008Assignee: Schlumberger Technology CorporationInventors: Oliver C. Mullins, Fikri Kuchuk, Andrew Carnegie
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Patent number: 7277796Abstract: A technique is described for interpretation of IPTT tests. In one implementation, the technique may be configured or designed to standardize the complete interpretation procedure of IPTT in a heterogeneous reservoir, using if available, modern wireline logs (such as, for example, nuclear magnetic resonance and imaging), dynamic data from wireline formation testers and/or any other relevant information (such as, for example, geological description, core data and local knowledge) as constraints on the interpretation. Additionally, an iterative method may be used to define formation layering. An advanced regression technology may also be used to obtain optimized horizontal and vertical permeabilities of reservoir layers.Type: GrantFiled: May 11, 2005Date of Patent: October 2, 2007Assignee: Schlumberger Technology CorporationInventors: Fikri Kuchuk, Chenggang Xian, Jichao Chen, Andrew Carnegie, Peter Hegeman, Mustafa Onur
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Publication number: 20070187092Abstract: A method for detecting pressure disturbances in a formation accessible by a borehole while performing an operation is disclosed. The method includes positioning a tool within the borehole, positioning a first probe of the tool at a first location, positioning a second probe of the tool at a second location remote from the first location to obtain a pressure reading, performing an operation with the first probe, detecting the presence of a single phase fluid within the tool, detecting a pressure disturbance within the formation with the second probe, and identifying a second phase fluid based on the detection of the pressure disturbance. Other methods and systems for detecting pressure disturbances in the formation are further disclosed.Type: ApplicationFiled: February 16, 2006Publication date: August 16, 2007Inventors: Oliver Mullins, Fikri Kuchuk, Andrew Carnegie
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Publication number: 20070162235Abstract: Based on measurements that are obtained from a well test, a pressure in the well is modeled as a function of at least a skin effect factor that varies with time. The results of the modeling may be used to estimate at least one well parameter, such as a formation parameter and/or a well pressure, as examples.Type: ApplicationFiled: February 13, 2007Publication date: July 12, 2007Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Lang Zhan, Fikri Kuchuk, James Filas, Dhandayuthapani Kannan
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Publication number: 20060241867Abstract: A technique is described for interpretation of IPTT tests. In one implementation, the technique may be configured or designed to standardize the complete interpretation procedure of IPTT in a heterogeneous reservoir, using if available, modern wireline logs (such as, for example, nuclear magnetic resonance and imaging), dynamic data from wireline formation testers and/or any other relevant information (such as, for example, geological description, core data and local knowledge) as constraints on the interpretation. Additionally, an iterative method may be used to define formation layering. An advanced regression technology may also be used to obtain optimized horizontal and vertical permeabilities of reservoir layers.Type: ApplicationFiled: May 11, 2005Publication date: October 26, 2006Inventors: Fikri Kuchuk, Chenggang Xian, Jichao Chen, Andrew Carnegie, Peter Hegeman, Mustafa Onur
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Patent number: 5335542Abstract: A borehole tool having adjacently located fluid injection/withdrawal apparatus and an electromagnetic measurement apparatus is provided. The electromagnetic measurement apparatus can be an imaging apparatus for helping set the tool in desired locations for permeability testing via fluid injection or withdrawal. In a second mode, during fluid injection or withdrawal, and if desired, before and/or after injection or withdrawal, a plurality of electromagnetic measurements (images) are made. Based on the electromagnetic and hydraulic measurements, and a model which interrelates the measurements, determinations are made as to various characteristics of the formation, including effective permeabilities. Related methods for utilizing the tool and for treating the data in an integrated fashion are also set forth.Type: GrantFiled: February 12, 1993Date of Patent: August 9, 1994Assignee: Schlumberger Technology CorporationInventors: T. S. Ramakrishnan, David Rossi, Yogesh Dave, William Murphy, Richard Plumb, Peter Goode, Fikri Kuchuk, James Helwig, Francois M. Auzerais, Elizabeth B. Dussan V.