764 patents
Page 16 of 39
Utility
Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with cobalt-containing lubricant
2 Aug 22
Disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil.
Ian G. Elliott, Richard E. Cherpeck, Amir Gamal Maria, Theresa Liang Gunawan
Filed: 13 Sep 18
Utility
Categorizing fractures in a subsurface formation
2 Aug 22
Embodiments of categorizing fractures in a subsurface formation are provided herein.
Bo Gong, Hanming Wang
Filed: 29 Jan 20
Utility
Hydraulically Propelled Inspection Platform
28 Jul 22
A hydraulically propelled inspection platform for an oil and gas facility includes a frame, at least one wheel secured to the frame, and at least one hydraulically-driven engine secured to the frame and configured to motivate the platform in one or more directions defined by the wheel.
Pablo Mauricio CALVA VALDERRABANO
Filed: 26 Jan 21
Utility
Subsurface Strain Estimation Using Fiber Optic Measurement
28 Jul 22
Strain and time-strain measurement in a well enables derivation of a constant that links the two.
Kevin John Davies
Filed: 28 Jan 21
Utility
Modelling Of A Fluid Treatment System
28 Jul 22
Embodiments of modelling a fluid treatment system are provided herein.
Martin Antonio MORLES, Lauren A. FLORES, Cheng CHEN
Filed: 28 Jan 22
Utility
Modelling of a Fluid Treatment System
28 Jul 22
Embodiments of modelling a fluid treatment system are provided herein.
Cheng CHEN, Lauren A. FLORES, Martin Antonio MORLES
Filed: 28 Jan 22
Utility
Process providing improved base oil yield
26 Jul 22
A process for preparing a base oil from a waxy hydrocarbon feedstock is provided.
Jay Parekh, Jifei Jia, Guan-Dao Lei, Kenny Peinado, Yihua Zhang, Shanying Lee
Filed: 30 Dec 20
Utility
Comparison of wells using a dissimilarity matrix
26 Jul 22
Well information may define subsurface configuration of different wells.
Brett M. Hern, Tao Sun, Brian J. Willis, Fabien J. Laugier, Ashley D. Harris
Filed: 27 Mar 20
Utility
Method for Producing High Quality Base Oils Using Multiple Stage Processing
21 Jul 22
Described are processes to produce base oils with one more improved properties, e.g., lower aromatics, economically and/or efficiently.
Yihua ZHANG, Guan-Dao LEI
Filed: 20 Jan 21
Utility
Stabilizing Restraint For Catalyst Loading Tubes
21 Jul 22
A restraint system configured to stabilize catalyst loading tubes.
Albert E. Butterfield, IV, Christopher Robert Oliver, Anthony Colgan Mullek, Gregory Alexander Mullek
Filed: 20 Jan 21
Utility
Delaminated layered zeolite precursors and method of preparing same without sonication
19 Jul 22
Provided is a scalable delamination of a SSZ-70 framework zeolite, without the need for sonication, which has been previously made difficult by the charged nature of the imidazolium structure-directing agents that are required for zeolite synthesis.
Alexander Katz, Alexander Okrut, Martina Aigner, Xiaoying Ouyang, Stacey Ian Zones
Filed: 14 Feb 19
Utility
Systems and methods for generating permeability scaling functions to estimate permeability
19 Jul 22
Systems and methods for generating permeability scaling function for different features of interest are disclosed.
Mark Skalinski, Rafael Salazar-Tio, Robert Mallan
Filed: 27 Dec 18
Utility
Decompaction of Subsurface Region Using Decompaction Velocity
14 Jul 22
The thickness of subsurface layers if they had remained as they were prior to compaction may be estimated by restoring the volume of void space lost during compaction.
Robert Lewis Little
Filed: 13 Jan 21
Utility
Hydroisomerization Catalysts
14 Jul 22
A hydroisomerization catalyst comprising a molecular sieve belonging to the ZSM-48 family of zeolites; an inorganic oxide support; one or more first modifiers selected from Groups 8 to 10; and one or more second modifiers selected from the group consisting of calcium (Ca), chromium (Cr), magnesium (Mg), lanthanum (La), barium (Ba), praseodymium (Pr), strontium (Sr), potassium (K) and neodymium (Nd).
Yihua ZHANG, Adeola Florence OJO, Guan-Dao LEI
Filed: 13 Jan 21
Utility
Methods for pressure protection using a foamed pressure protection composition
12 Jul 22
Disclosed are compositions and methods for the pressure protection of existing wells during infill drilling operations.
Ruth Ellen Hahn, Taimur Malik, Samiha Said Elsayed Morsy, Nabijan Nizamidin, Mohsen S. Tagavifar
Filed: 7 Jul 20
Utility
Use of a borate-acid buffer in oil and gas operations
5 Jul 22
Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell, Taimur Malik
Filed: 31 Jul 19
Utility
Hydrocracking Operation with Reduced Accumulation of Heavy Polynuclear Aromatics
30 Jun 22
Provided is a hydrocracking process with a recycle loop for converting a petroleum feed to lower boiling products, which process comprises reacting a stream over a non-zeolite noble metal catalyst at a temperature of about 650° F. (343° C.) or less in a reactor positioned in the recycle loop of the hydrocracking reactor.
Ling Jiao, Bi-Zeng Zhan, Don Bushee, Theodorus Ludovicus Michael Maesen, Hye-Kyung Timken, Richard Dutta, Jay Parekh
Filed: 30 Dec 20
Utility
Processes for Producing Diesel from Unconventional Feedstocks
30 Jun 22
Described herein are processes for hydroisomerising an unconventional feedstock using a hydroisomerisation catalyst comprising zeolite SSZ-91, zeolite SSZ-32, or zeolite SSZ-32x to provide a diesel fuel.
Kamala R. KRISHNA, Yihua ZHANG, GUAN-DAO LEI, Adeola Florence OJO
Filed: 30 Dec 20
Utility
Process to Make Finished Base Oils and White Oils from Dewaxed Bulk Base Oils
30 Jun 22
Provided in one embodiment is an improved and more flexible process for preparing a finished base oil or a white oil product comprising passing a dewaxed base oil product to a distillation column and separating the dewaxed base oil product into fuel and base oil product streams.
Kenny Peinado, Jay Parekh, Jifei Jia, Yihua Zhang, Guan-Dao Lei, Guang Zhang
Filed: 30 Dec 20
Utility
Process Providing Improved Base Oil Yield
30 Jun 22
A process for preparing a base oil from a waxy hydrocarbon feedstock is provided.
Jay Parekh, Jifei Jia, Guan-Dao Lei, Kenny Peinado, Yihua Zhang, Shanying Lee
Filed: 30 Dec 20