333 patents
Utility
Casing equipment for pulsed power drilling
16 Jan 24
The present disclosure includes a plug for cementing a wellbore.
Lonnie Carl Helms, Frank Vinicio Acosta Villarreal, Avinash Gopal Dharne, William M. Moeny, Neal Gregory Skinner
Filed: 30 Aug 19
Utility
Process having improved base oil yield
16 Jan 24
Provided is a process for preparing base oil from a waxy hydrocarbon feedstock by contacting the hydrocarbon feedstock in a hydroisomerization zone under hydroisomerization conditions.
Kenny Peinado, Jifei Jia, Guan-Dao Lei, Jay Parekh, Yihua Zhang
Filed: 30 Dec 20
Utility
Molecular sieve SSZ-117x, its synthesis and use
9 Jan 24
A novel synthetic crystalline aluminogermanosilicate molecular sieve material, designated SSZ-117x, is provided.
Stacey Ian Zones, Dan Xie, Cong-Yan Chen
Filed: 19 Nov 21
Utility
Hydroisomerization catalysts
9 Jan 24
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
System and method for 3D seismic velocity estimation
2 Jan 24
A method is described for estimating seismic velocity from seismic data by training a neural network using a subset of a seismic dataset and the velocity model; estimating a second velocity model using the neural network and a second subset of the seismic dataset; and displaying the second velocity model on a graphical user interface.
Enning Wang
Filed: 7 Jul 21
Utility
Molecular sieve SSZ-123, its synthesis and use
19 Dec 23
An aluminum-rich molecular sieve material of MFS framework type, designated SSZ-123, is provided.
Dan Xie
Filed: 22 Feb 23
Utility
Systems and methods for identifying subsurface features as a function of position in a subsurface volume of interest
12 Dec 23
Systems and methods are disclosed for identifying subsurface features as a function of position in a subsurface volume of interest.
Shuxing Cheng, Zhao Zhang, Kellen Leigh Gunderson, Reynaldo Cardona, Zhangyang Wang, Ziyu Jiang
Filed: 31 Jul 20
Utility
Treating fluid comprising hydrocarbons, water, and polymer
5 Dec 23
Embodiments of treating fluid comprising hydrocarbons, water, and polymer being produced from a hydrocarbon-bearing formation are provided.
Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Dennis A. Alexis, Harold C. Linnemeyer, Timothy P. Theriot, Les Leszek Jackowski, Francesca Cibotti
Filed: 21 Jan 22
Utility
Injection fluids for stimulating fractured formations
5 Dec 23
Embodiments of the disclosure include compositions and methods that stabilize a injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered.
Dustin L. Walker, Gayani W. Pinnawala, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. Lowry, Tetsuo Art Inouye, Taimur Malik
Filed: 31 Jul 18
Utility
Metal nanoparticle-deposited, nitrogen-doped carbon adsorbents for removal of sulfur impurities in fuels
28 Nov 23
Metal nanoparticle-deposited, nitrogen-doped carbon adsorbents are disclosed, along with methods of removing sulfur compounds from a hydrocarbon feed stream using these adsorbents.
Bi-Zeng Zhan, Zunqing He, Hoon Taek Chung, Piotr Zelenay
Filed: 23 Nov 21
Utility
Hydrofracturing applications utilizing drilling cuttings for enhancement of wellbore permeability
28 Nov 23
The present disclosure provides methods and systems for hydrofracturing processes utilizing native drilling cuttings to enhance wellbore permeability.
Robert Neil Trotter, Caleb Kimbrell Carroll, Harold Gordon Riordan, Leonardo F. Chaves Leal, Matthew David Sonnier, Jonathon Donald Fisher, Harry Martin Fernau, John Thomas Lattal, Amos Sunghyun Kim
Filed: 15 Apr 21
Utility
System and method for preventing wellbore interactions
28 Nov 23
A method is described for predicting and preventing wellbore interactions at wells that are near the injection well.
Ivan Lim Chen Ning, Tamas Nemeth, David C. Bartel, Zhishuai Zhang, Yunhui Tan, Joseph P. Stefani, James P. DiSiena, Dimitri Bevc, Kelly Hughes
Filed: 12 Mar 21
Utility
System and method for seismic depth uncertainty analysis
21 Nov 23
A method is described for seismic depth uncertainty analysis including receiving wavelet basis functions and cutoff thresholds and randomly perturbing wavelet coefficients in reduced wavelet space based on the wavelet basis functions and the cutoff thresholds to generate a plurality of random wavelet fields; receiving a reference model in a depth domain; transforming the plurality of random wavelet fields to the depth domain and combining them with the reference model to form candidate models; performing a hierarchical Bayesian modeling with Markov Chain Monte Carlo (MCMC) sampling methods using the candidate models as input to generate a plurality of realizations; and computing statistics of the plurality of realizations to estimate depth uncertainty.
Jinsong Chen, Huafeng Liu, Andrey Hanan Shabelansky, Cory James Hoelting, Min Yang, Ying Tan, Maisha Lara Amaru
Filed: 14 Mar 22
Utility
Functionalized ionic liquid for solvating heavy aromatic compounds
7 Nov 23
A process for removing heavy polycyclic aromatic contaminants from a hydrocarbon stream using a quinolinium ionic liquid is described.
Saleh Ali Elomari, Huping Luo, Timi Pravin Singa
Filed: 8 Feb 22
Utility
Compositions and methods for pressure protection
31 Oct 23
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: 11 Jul 22
Utility
Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines
31 Oct 23
Disclosed herein are improved lubricating compositions effective to prevent or reduce low speed pre-ignition in an engine, as well as to prevent or reduce corrosion of engine components.
Ian G. Elliott, Amir Gamal Maria, Richard Eugene Cherpeck, Theresa Liang Gunawan
Filed: 4 Mar 20
Utility
System and method for seismic inversion
24 Oct 23
A method is described for inverting seismic data including obtaining well logs representative of subsurface volumes of interest; generating an amplitude variation with angle (AVA) database from the well logs by seismic modeling, wherein the seismic modeling is performed a plurality of times for all combinations of fluid substitutions of brine, oil, and gas and low porosity, mid-porosity, and high porosity; generating a trained AVA model using the AVA database; obtaining a seismic dataset; calibrating the seismic dataset; computing seismic attributes for the calibrated seismic dataset using statistics for AVA classification; and generating direct hydrocarbon indicators as a function of position in the subsurface volume of interest by applying the trained AVA model to the seismic attributes.
Prasenjit Roy, Xinfa Zhu
Filed: 6 Apr 21
Utility
Amorphous silica-alumina composition and method for making the same
17 Oct 23
A process of making a silica-alumina composition having improved properties is provided.
Kandaswamy Jothimurugesan, Hye-Kyung Timken
Filed: 22 Jul 21
Utility
Use of a borate-acid buffer in oil and gas operations
17 Oct 23
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: 29 Jun 22
Utility
Converting unstructured technical reports to structured technical reports using machine learning
17 Oct 23
A computer-implemented, machine learning-based method of converting an unstructured technical report into a structured technical report includes obtaining an unstructured technical report, tokenizing the unstructured technical report into an n-gram array, identifying and filtering non-interesting n-grams from the first n-gram array based on common language usage of the non-interesting n-grams and a determination that the non-interesting n-grams do not appear on a confirmed technical entity database, generating and displaying a technical entity candidate list from the filtered n-gram array, displaying, obtaining, from a pattern matching model and/or a graphical user interface, an indication that a technical entity candidate is a technical entity of interest, appending the technical entity of interest to the confirmed technical entity database, generating and displaying a structured technical report with the confirmed technical entities and corresponding technical entity value parameters, and iterating the process to refine the pattern matching model.
Asitang Mishra, Shuxing Cheng, Annie Didier, Chris Mattmann, Hamsa Shwetha Venkataram, Grant Lee, Wayne Moses Burke, Vishal Lall
Filed: 10 Jan 20