2001 patents
Page 81 of 101
Utility
Systems and methods for holding wireline device against well
27 Jul 21
A system includes a cable and a toolstring.
Joseph Varkey, Maria Grisanti, Paul Wanjau, David Kim, William Brian Underhill
Filed: 11 Nov 19
Utility
Drilling energy calculation based on transient dynamics simulation and its application to drilling optimization
27 Jul 21
A method for drilling a well includes applying energy input to a drill string (31) by at least one of rotating the drill string (31) from surface and operating a drilling motor (41) disposed in the drill string (31) to operate a drill bit (2) at a bottom of the drill string (31); an amount of the applied energy not consumed in drilling formations caused by at least one of motion, deformation, and interaction of the drill string (31) is calculated; an amount of the applied energy used to drill formations below the drill bit (2) is calculated; and at least one drilling operating parameter is adjusted based on energy calculation before or during drilling operation.
Wei Chen, Christopher Bogath, Richard John Harmer, Yani Dong, Chanhui Bin, Yuelin Shen, Sujian Huang
Filed: 29 Jun 16
Utility
Electric dipole surface antenna configurations for electromagnetic wellbore instrument telemetry
27 Jul 21
An apparatus for detecting an electromagnetic signal originating in a wellbore includes an antenna comprising a pair of spaced apart electrodes in the ground spaced apart by a first distance having a midpoint at a second distance from the wellbore.
Dean M. Homan, Jon Brunetti, David L. Smith, Erwann Lemenager
Filed: 17 Dec 15
Utility
Attenuating tool borne noise acquired in a downhole sonic tool measurement
27 Jul 21
A technique includes receiving data representing a measurement acquired by a tool motion sensor of a downhole sonic measurement tool; and receiving data representing a measurement acquired by a pressure sensor of the sonic measurement tool.
Robert Hughes Jones, Toshimichi Wago, Can Evren Yarman
Filed: 30 May 17
Utility
NMR Asic
27 Jul 21
An NMR system includes a radio frequency (RF) NMR application-specific integrated circuit (ASIC) chip configured to generate an RF output signal and a rectifier configured to receive the RF output signal and convert the RF output signal to (a) a direct current (DC) pulsed field gradient (PFG) signal or (b) a DC trigger signal for at least one of (i) activating at least one component of an NMR system external to the NMR RF ASIC chip and (ii) synchronizing at least one component of an NMR system external to the NMR RF ASIC chip.
Yi-Qiao Song, Soumyajit Mandal, Yiqiao Tang, David McCowan
Filed: 27 Aug 15
Utility
Compensated spectroscopy measurements
27 Jul 21
Elemental concentrations in subterranean formations may be determined using neutron spectroscopy.
Tong Zhou, David Rose, Jeffrey Miles
Filed: 14 Jun 19
Utility
Crosslinked Synthetic Polymer-based Reservoir Drilling Fluid
22 Jul 21
A wellbore fluid includes a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the fluid loss control agent has an extent of crosslinking that is selected so that the fluid loss control agent has a viscosity that is within a peak viscosity response of the viscosity response curve.
Balakrishnan Panamarathupalayam
Filed: 5 Apr 21
Utility
Drilling Tool Having Pre-fabricated Components
22 Jul 21
The disclosed drill tools have metal matrix composite (MMC) or steel alloy bodies that are formed around one or more pre-fabricated components using either a casting or infiltration process.
Youhe Zhang, Mingdong Cai, Sudarsanam Chellappa, Huimin Song, Ting Ren
Filed: 18 Jan 21
Utility
System and Methodology Including Strain Filter In Downhole Pumps
22 Jul 21
A technique facilitates filtration of solids from a well fluid to during a pumping operation.
Chinmoy Nath, Christopher Valenzuela
Filed: 28 Jan 19
Utility
Artificial Intelligence Assisted Production Advisory System and Method
22 Jul 21
A method includes receiving first data and building a first model of a well based at least partially upon the first data.
Chao GAO
Filed: 14 May 19
Utility
Subsurface Geophysical Data System
22 Jul 21
A method can include receiving a request from a requester for subsurface geophysical data of a geologic environment; responsive to the request, authenticating the requester using a zero-knowledge authentication scheme; and, responsive to authentication of the requester, providing access to at least a portion of the subsurface geophysical data of the geologic environment.
Shankar Shailesh
Filed: 16 Dec 20
Utility
Geological Feature Search Engine
22 Jul 21
A computer-implemented method includes receiving a geological feature search query identifying one or more geological features, executing, based on receiving the geological feature search query, a search of database storing a plurality of seismic data images.
Tracy Dorrington, Chiao-Fang Hsu
Filed: 29 May 19
Utility
Seismic Interpretation Using Flow Fields
22 Jul 21
A method for modeling a subsurface volume includes receiving a plurality of ordered seismic images including representations of objects in the subsurface volume, generating flow fields based on a difference between individual images of the plurality of ordered seismic images, and identifying the objects in the seismic images based on the flow fields and the plurality of ordered seismic images.
Zhun Li, Aria Abubakar
Filed: 15 Jan 21
Utility
Converting Uni-temporal Data to Cloud Based Multi-temporal Data
22 Jul 21
A method includes receiving configuration data that maps an agent of a source computing system to a node of a graph, maps the node to a table, and maps the agent to an agent topic; and receiving time series data at the agent topic as uni-temporal data from the agent mapped to the node.
Abhay Dutt Paroha, Chinmoy Mohanty, Naman Bairagi
Filed: 16 Dec 20
Utility
Blockchain-based Entitlement Service
22 Jul 21
A method, apparatus, and program product utilize a distributed blockchain-based entitlement service of a cloud-based collaboration environment to grant or deny access to requested data based upon a contract represented in a blockchain managed by the blockchain-based entitlement service.
Akshay HUNDIA, Yuri DA SILVA FERREIRA
Filed: 15 May 19
Utility
Binderless cBN sintering with cubic press
20 Jul 21
A method of sintering a binderless cBN body includes providing a boron nitride particle mixture into a pressure chamber, the boron nitride particle mixture having a first type of boron nitride particles and boron nitride filler particles, and the boron nitride filler particles having a different size and/or type than the first type of boron nitride particles, and sintering the boron nitride particle mixture in the pressure chamber to form the cBN body by generating a pressure in the pressure chamber of less than 7.7 GPa and heating the boron nitride particle mixture to a temperature ranging from about 1900° C. to about 2300° C., wherein the cBN body has a density of at least 97 percent.
Yahua Bao
Filed: 27 Jun 17
Utility
Apparatus and methods for well intervention
20 Jul 21
A downhole tool string for conveying within a wellbore, including an engagement device for engaging a downhole feature located within the wellbore, a first actuator for applying a substantially non-vibrating force to the engagement device while the engagement device is engaged with the downhole feature, and a second actuator for applying a vibrating force to the engagement device while the engagement device is engaged with the downhole feature.
Thomas MacDougall, Mark Milkovisch, Todor Sheiretov
Filed: 27 Jan 20
Utility
Effective pour point depressants for amidoamine emulsifiers
20 Jul 21
A composition comprising an oleaginous base fluid, an emulsifier and a liquid tertiary amide is disclosed.
Dimitri M Khramov, Yiyan Chen
Filed: 19 Dec 17
Utility
Oilfield reservoir saturation and permeability modeling
20 Jul 21
A method for modelling saturation in a reservoir, comprising: obtaining capillary pressure data representing capillary pressure in the reservoir; obtaining permeability data representing permeability in the reservoir; determining a number of pore throats represented by the capillary pressure data; creating hyperbolic tangents based on the capillary pressure data equal in number to the number of pore throats; combining hyperbolic tangents to create a curve to fit the capillary pressure data and to define hyperbolic tangent parameters; combining at least one of the hyperbolic tangent parameters with the permeability data to define a saturation height function; modelling a saturation in the reservoir using the saturation height function; and displaying the saturation model based on the saturation height function.
Sylvain Wlodarczyk, Keith Pinto, Olivier Marche, Akshat Gupta
Filed: 24 Jun 16
Utility
Downhole tool
20 Jul 21
The invention provides a downhole initiator tool (10, 210, 410, 610) for use in initiating a downhole operation, and a method of use.
Peter Moyes
Filed: 11 Nov 14