1026 patents
Page 23 of 52
Utility
Additive to improve cold temperature properties in oil-based fluids
20 Sep 22
An additive composition includes a rheology modifier selected from alcohol ethoxylates, amine ethoxylates, or ethylene oxide/propylene oxide copolymers, wherein the rheology modifier has an HLB ranging from about 4 to 10; and a winterizing agent that is at least one aliphatic non-ionic surfactant that has a branched structure and/or includes at least one unsaturation, wherein the winterizing agent has an HLB value between about 8 and 10.5.
Dimitri M. Khramov, Reda Karoum, Stephen Cliffe
Filed: 26 Feb 18
Utility
Two dimensional pixel-based inversion
20 Sep 22
Methods and systems for characterizing subterranean formations are described herein.
Michael Thiel, Dzevat Omeragic
Filed: 19 Oct 16
Utility
Screen break detector
20 Sep 22
A method for determining a screen break may include obtaining a fluid stream after a screening system in a drilling process; placing the fluid stream into a screen break detector; obtaining a pressure within a well of the screen break detector when the screening system is in a first state; obtaining a pressure within the well of the screen break detector when the screening system is in a second state; determining a differential pressure within the well of the screen break detector obtained when the screening system is in the second state compared to the pressure when the screen break is in the first state; and transmitting a notification to an operator when the pressure within the screen break detector obtained when the screening system is in the second state is greater than the pressure within the screen break detector when the screening system is in the first state.
Eric Cady
Filed: 23 Jun 19
Utility
Downhole electromagnetic network
13 Sep 22
The present disclosure describes methods and systems that can be used for controlling and coordinating the transmission of electromagnetic telemetry signals from and/or to a plurality of downhole tools to minimize or reduce electromagnetic interference between the transmissions.
Julius Kusuma, Robert Tennent, Arnaud Croux
Filed: 28 Jun 17
Utility
Direct emulsions and methods of use
13 Sep 22
A method comprising drilling through a plurality of differing zones of a subterranean formation using a drilling fluid comprising a non-oleaginous continuous phase, an oleaginous discontinuous phase and at least a first salt dissolved into the non-oleaginous continuous phase.
Carlos Rodriguez
Filed: 12 Apr 18
Utility
Methods and systems for reservoir characterization and optimization of downhole fluid sampling
13 Sep 22
A method (and corresponding downhole tool) is provided for downhole fluid analysis of formation fluids.
Morten Kristensen, Nikita Chugunov
Filed: 4 Oct 18
Utility
Accumulator system
13 Sep 22
A double acting accumulator system includes a housing including an actuator housing, a first piston housing coupled to the actuator housing, a second piston housing coupled to the actuator housing, a shaft configured to move axially within the first piston housing and the second piston housing, a first piston coupled to a first end of the shaft, a second piston coupled to a second end of the shaft, an electric actuator configured to couple to and drive the shaft to alternatingly compress fluid with the first piston in the first piston housing and the second piston in the second piston housing to drive fluid out of the respective first piston housing and the second piston housing, and a plurality of anti-rotation shafts configured to block rotation of the shaft.
Christopher Nault, Matthew David Givens, Vikas Rakhunde, Stephen McGuire
Filed: 11 Feb 20
Utility
Cuttings imaging for determining geological properties
13 Sep 22
Apparatus and methods for ascribing one of multiple predetermined sub-classes to multiple pixels of an image of an unknown rock sample retrieved from a geological formation.
Matthias Francois, Youssef Tamaazousti, Josselin Kherroubi
Filed: 12 Oct 20
Utility
Fluids containing cellulose fibers and cellulose nanoparticles for oilfield applications
6 Sep 22
A fluid for treating a subterranean formation includes a solvent, a rheology modifier, and a composition that includes a mixture of cellulose fibers and cellulose nanoparticles.
Valerie Gisele Helene Lafitte, Mohan Kanaka Raju Panga, Richard Berry
Filed: 28 May 20
Utility
Directional drilling systems and methods
6 Sep 22
A directional drilling system that includes a drill bit capable of drilling a bore through rock.
Joachim Sihler, Mauro Caresta
Filed: 2 Jul 18
Utility
Multi-diameter thrust cups
6 Sep 22
Embodiments described herein provide a multi-diameter thrust device that includes one or more thrust cups.
Simon Mattias Flander, Julien Toniolo
Filed: 23 Nov 20
Utility
Instrumented rotary tool with sensor in cavity
6 Sep 22
A rotary tool for operation within an underground borehole or within tubing in a borehole has a tool body and at least one sensor-containing unit attached to the tool body and positioned to contact the conduit wall.
Jonathan Robert Hird, Ashley Bernard Johnson, Michael Paul Barrett, Walter David Aldred, Tomas Rosinski, Jarek Rosinski
Filed: 30 Mar 20
Utility
Determining asphaltene onset
6 Sep 22
Methods and downhole tools for operation within in a wellbore that extends into a subterranean formation.
Hadrien Dumont, Thomas Pfeiffer, Vinay K. Mishra, German Garcia, Christopher Harrison, Oliver Mullins
Filed: 25 Oct 18
Utility
Estimating downhole fluid volumes using multi-dimensional nuclear magnetic resonance measurements
6 Sep 22
Downhole fluid volumes of a geological formation may be estimated using nuclear magnetic resonance (NMR) measurements, even in organic shale reservoirs.
Vivek Anand, Ravinath Kausik Kadayam Viswanathan, Tianmin Jiang, Erik Rylander, Mansoor Ali, Richard E. Lewis
Filed: 29 Aug 19
Utility
Process for the production of dispersions of thermally oxidised carbon-based materials
30 Aug 22
Methods of preparing dispersions of carbon-based materials are disclosed herein.
Simone Musso, Matteo Pavese, Luca Lavagna
Filed: 27 Jul 16
Utility
Method of making rod-shaped particles for use as proppant and anti-flowback additive
30 Aug 22
A method for forming rod-shaped particles includes reducing a length of rods derived from a slurry made up of particles and a reactant, wherein the rods are in a stabilized state in which the reactant has been at least partially reacted with a coagulant, but the rods have not been sintered, and subsequently sintering the reduced length stabilized rods.
Jose Alberto Ortega Andrade, Jiangshui Huang, Bernhard R. Lungwitz
Filed: 10 Feb 20
Utility
Geological interpretation with artificial intelligence
30 Aug 22
A method for drilling includes obtaining formation-measurement pairings, training a machine-learning model using the formation-measurement pairings, receiving measurements obtained by a tool positioned in a well formed in a formation, and generating a formation model of at least a portion of the formation using the machine-learning model and the measurements.
Yan Kai Xu, Qingfeng Zhu, Hui Xie, Helen Xiaoyan Zhong, Ettore Mirto, Aria Abubakar, Yao Feng, Ping Zhang
Filed: 5 Jul 19
Utility
Wireline automation systems and methods
30 Aug 22
A well-logging system includes a downhole tool coupled to a cable.
Matthew Billingham, Erwan Olliero, Adolfo Recio, David Schlosser
Filed: 5 Jan 18
Utility
Geologic formation operations framework control
30 Aug 22
A method can include accessing data generated during field operations; analyzing at least a portion of the data as to legal tag property values; storing the legal tag property values in association with the data; and operating a computational framework in accordance with the legal tag property values.
Todd Christopher Dixon, Michael Antony Cleminson
Filed: 15 Jul 20
Utility
Method to simulate bop shearing
30 Aug 22
A method to create a simulation of a shearing process for a ram blowout preventer (BOP) comprising the steps of building a 3D digital model of the ram BOP including damage parameters based on generic material properties of the ram BOP; inputting the 3D digital model of the ram BOP into a damage model; and simulating the shearing process using the 3D digital model of the ram BOP and the damage model.
Yaou Wang, Christopher Nault, Michael W. Berckenhoff
Filed: 30 Apr 19