1026 patents
Page 35 of 52
Utility
Slider compensated flexible shaft drilling system
7 Dec 21
Systems and methods presented herein include a drilling system that includes a deflecting device having an internal passage extending therethrough, and a flexible drilling assembly configured to extend through the internal passage of the deflecting device, and to create a perforation lateral tunnel in a wellbore.
Henk Jelsma, Bill DuBose
Filed: 30 Aug 19
Utility
Performance index using frequency or frequency-time domain
7 Dec 21
First time-based data, indicative of a first parameter, varies in value with respect to time and is associated with a drilling operation utilized to construct a well extending into a subterranean formation.
Joergen K. Johnsen, Mbaga Louis Ahorukomeye, Rui Pan, Yuzhen Xue, Mahmoud Hadi
Filed: 3 Jun 20
Utility
Method of generating a fracturing design and method of hydraulic fracturing
7 Dec 21
The provided method allows optimizing the fracturing design (frac design) while taking into account the two-dimensional modelling of the transport processes in the fracture.
Dmitry Viktorovich Badazhkov, Vladimir Alexandrovich Plyashkevich, Ivan Vladimirovich Velikanov, Dmitry Sergeevich Kuznetsov, Oleg Valerievich Kovalevsky, Vadim Ismailovich Isaev, Denis Viktrovich Bannikov
Filed: 31 Mar 17
Utility
Method of minimizing immiscible fluid sample contamination
7 Dec 21
A method of formation fluid sampling that includes setting a dual packer tool in a wellbore.
Thomas Pfeiffer, Vladislav Achourov, Ashers Partouche, Pratik Halani, Simon Edmundson
Filed: 15 Sep 20
Utility
Prediction of saturation pressure of fluid
7 Dec 21
Apparatus and methods for obtaining a data response of a fluid as a function of pressure of the fluid, and estimating a dew point pressure of the fluid by detecting an inflection pressure, a downward curve pressure, a characteristic change pressure, and an intersection pressure of the function representative of the data response.
Kai Hsu, Elizabeth Jennings Smythe, Matthew Sullivan, Christopher Harrison, Hua Chen
Filed: 16 Jun 17
Utility
Air cooled variable-frequency drive
30 Nov 21
Methods and apparatus for simultaneous operation of a variable-frequency drive (VFD) and a controller.
Nick Paul Krippner, Jacques Orban
Filed: 10 Dec 18
Utility
Asphaltene phase instability analysis in gas charges into oil reservoirs
30 Nov 21
A method includes placing a downhole acquisition tool in a wellbore in a geological formation containing a reservoir fluid.
Youxiang Zuo, Shu Pan, Yi Chen, Kang Wang, Oliver C. Mullins
Filed: 29 Jun 16
Utility
High voltage supply for compact radiation generator
30 Nov 21
Disclosed is a radiation logging tool, comprising a tool housing; a compact generator that produces radiation; a power supply coupled to the compact generator; and control circuitry.
Luke T. Perkins, Christian Stoller, Peter Wraight
Filed: 22 Nov 19
Utility
Methods and compositions for cleaning interior of a casing string
30 Nov 21
Aqueous fluids containing hydrophobic particles are effective media for cleaning water-base drilling fluids and drilling fluid solids from the interior surface of a casing string.
Diankui Fu, Bipin Jain, Soo Hui Goh
Filed: 26 Nov 15
Utility
Steering systems and methods
30 Nov 21
A steering assembly configured for circumferential disposition about a drill string above a drill head and having top and bottom surfaces, an under-gauge peripheral section, and an over-gauge peripheral section substantially opposing the under-gauge peripheral section, where the maximum under-gauge on the top surface in the under-gauge peripheral section is greater than the maximum over-gauge on the bottom surface in the over-gauge peripheral section.
Mauro Caresta
Filed: 23 Mar 20
Utility
Fingerboard
30 Nov 21
A fingerboard has a first portion configured to receive a first pipe and a second portion configured to receive a second pipe.
Rolf Gullaksen, Erling Tambs, Kenneth Birkeland
Filed: 6 Sep 19
Utility
Compositions and methods for well completions
30 Nov 21
Expansive cements for use in cementing subterranean wells comprise water, an inorganic cement and one or more particulate materials that swell upon contact with a water immiscible fluid.
Bipin Jain
Filed: 5 Aug 15
Utility
Rotating control device system
30 Nov 21
A rotating control device (RCD) system includes a housing having a bore, a seal element positioned within the housing, a piston assembly supported within the housing and configured to drive the seal element to seal the bore, and a bearing assembly supported within the housing and configured to enable the seal element to rotate relative to the housing.
Harold Tenorio, Vikas Rakhunde, Jon Tyler, Matthew Givens
Filed: 11 May 20
Utility
Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure
30 Nov 21
Embodiments of the disclosure can include systems, methods, and devices for determining saturation pressure of an uncontaminated fluid.
Youxiang Zuo, Christopher Harrison, Adriaan Gisolf, Cosan Ayan, Michael Mallari Toribio, Chetankumar Natwarlal Desai, Oliver Clinton Mullins, Matthew T. Sullivan, Elizabeth Smythe
Filed: 5 Aug 19
Utility
Processing downhole rotational data
30 Nov 21
Systems and methods for processing downhole rotational data.
Jian Wu, Nathaniel Wicks, Ramakrishna Madhireddy
Filed: 9 Jul 19
Utility
Method for formation evaluation of organic shale reservoirs using well logging data
30 Nov 21
Disclosed herein is a formation evaluation method including estimating a total porosity of an earth formation as a function of bulk density and total nuclear magnetic resonance (NMR) porosity of the earth formation.
Robert Freedman
Filed: 18 Oct 16
Utility
Geologic structural model generation
23 Nov 21
A method can include receiving spatially located geophysical data of a geologic region as acquired by one or more sensors; solving a system of equations for multi-dimensional implicit function values within a multi-dimensional space that represents the geologic region where the system of equations are subject to a smoothness constraint and subject to a weighted curvature minimization criterion at a plurality of spatially located points based on the spatially located geophysical data; and rendering to a display, a structural model of the geologic region based at least in part on the multi-dimensional implicit function values where the structural model characterizes stratigraphy of the geologic region.
Julien Renaudeau, Frantz Maerten, Emmanuel Malvesin
Filed: 31 May 18
Utility
Flowline saturation pressure measurement
23 Nov 21
A method for sampling a downhole formation fluid includes pumping formation fluid into the flowline of a downhole sampling tool, measuring a saturation pressure of the formation fluid in the flowline while pumping, and adjusting the pumping rate such that the fluid pressure in the flowline remains within a predetermined threshold above the measured saturation pressure.
Kentaro Indo, Maxim Yushko, Tudor Ioan Palaghita, Zeynep Alpman, Alexis Petit, Julian Pop, Sepand Ossia, Tullio Moscato
Filed: 22 Jun 20
Utility
Systems and methods for acquiring orthogonal pairs of waveforms for acoustic well logging
23 Nov 21
A system may obtain orthogonal pairs of acoustic waveforms obtained by a rotating downhole acoustic tool.
Denis Syresin, Hiroshi Akima, Takashi Katagiri, Atsushi Oshima
Filed: 12 Dec 17
Utility
Determining rupture envelopes of a fault system
23 Nov 21
Provided are a method, computer-readable medium, and a system for determining rupture envelopes for a fault system.
Frantz Maerten, Laurent Maerten, Jean Pierre Joonnekindt
Filed: 9 Feb 17