公开(公告)号：US10884147B2

公开(公告)日：2021-01-05

申请号：US15835656

申请日：2017-12-08

Applicant: CHEVRON U.S.A. INC.

Inventor： Julian A. Thorne ,  Andrew Royle ,  Michael Pyrcz ,  Sebastien B. Strebelle

IPC: G01V1/30 ,  G01V1/50 ,  G01V1/37

Abstract: A computer implemented method for identifying reservoir facies in a subsurface region includes obtaining a set of seismic data points of both petrophysical and geophysical parameters relating to the subsurface region, identifying one or more correlated clusters of petrophysical parameters, generating, from the one or more correlated clusters of petrophysical parameters, one or more corresponding multi-dimensional clusters of seismic data points, storing, in a facies database, a multi-dimensional cluster center point for at least one multi-dimensional clusters, and recursively splitting the multi-dimensional clusters into distinct sub-clusters of seismic data points corresponding to facies types.

公开(公告)号：US20200309979A1

公开(公告)日：2020-10-01

申请号：US16816041

申请日：2020-03-11

Applicant: Chevron U.S.A. Inc.

Inventor： Ke WANG ,  Laura L. BANDURA ,  Dimitri BEVC ,  James P. DISIENA ,  Adam Dean HALPERT ,  Bruce A. POWER ,  Ellen Xiaoxia XU

IPC: G01V1/30 ,  G06N3/08 ,  G06N3/04

Abstract: A method is described for property estimation including receiving a seismic dataset representative of a subsurface volume of interest and a well log from a well location within the subsurface volume of interest; identifying seismic traces in the seismic dataset that correspond to the well location to obtain a subset of seismic traces; windowing the subset of seismic traces and the well log to generate windowed seismic traces and a windowed well log; multiplying the windowed seismic traces and the windowed well log by a random matrix to generate a plurality of training datasets; and training a neural network using the plurality of training datasets. The method may be executed by a computer system.

公开(公告)号：US10787883B2

公开(公告)日：2020-09-29

申请号：US15840852

申请日：2017-12-13

Applicant: Chevron U.S.A. Inc.

Inventor： James Daniel Montoya ,  Heath Evan Lynch ,  Jay Patrick Painter ,  Jacobo Rogelio Archuleta

IPC: E21B33/04 ,  E21B34/02 ,  F16K15/02 ,  F16K17/18

Abstract: A testable back pressure valve can include a housing comprising a housing body. The valve can also include a valve seat coupled to the housing, where the valve seat includes a valve seat body having a first cavity and a second cavity, and where the valve seat further includes a first network of channels disposed in the valve seat body. The valve can further include a valve head movably disposed within the first cavity of the valve seat. The valve can also include a piston follower movably disposed within the second cavity of the valve seat, where the valve head is fixedly coupled to the piston follower. The valve can further include a travel piston movably disposed within the second cavity of the valve seat, where the travel piston is moveably coupled to the piston follower.

公开(公告)号：US20200298172A1

公开(公告)日：2020-09-24

申请号：US16821280

申请日：2020-03-17

Applicant: CHEVRON U.S.A. INC.

Inventor： Marcus Dutra E. MELLO ,  Raja JADHAV ,  Zunqing Alice HE ,  Joshua A. THOMPSON

IPC: B01D53/14 ,  B01D53/26 ,  B01D15/36 ,  B01D15/20 ,  C07C29/94

Abstract: Processes for removing a sulfide or a degradation product thereof from in a gas dehydration system are disclosed along with corresponding gas dehydration systems. The processes and systems include contacting a stream comprising the sulfide or a degradation product thereof with an anionic resin to remove at least a portion of the sulfide or a degradation product thereof from the stream. The processes and systems can also be used in the removal of mercury from gas dehydration systems.

公开(公告)号：US10780954B2

公开(公告)日：2020-09-22

申请号：US16364929

申请日：2019-03-26

Applicant: Triad National Security, LLC ,  Chevron U.S.A. Inc.

Inventor： Ryan Sanders ,  Robert Kwan Meng Seah ,  Jolly James ,  Bill Ward

IPC: B63B21/50 ,  B63B35/44

Abstract: A system can include at least one measuring device that captures and collects multiple two-dimensional images of a mooring line disposed in water. The system can also include a mooring line assessment system that includes a controller communicably coupled to the at least one measuring device. The controller can receive the two-dimensional images from the at least one measuring device. The controller can also generate a three-dimensional reconstruction of the mooring line based on the two-dimensional images. The controller can further present the three-dimensional reconstruction to a user. The two-dimensional images can be captured and the recommendation can be made while the mooring line is in situ.

公开(公告)号：US20200292518A1

公开(公告)日：2020-09-17

申请号：US16816866

申请日：2020-03-12

Applicant: Chevron U.S.A. Inc.

Inventor： Himal Pravin Munsif

IPC: G01N33/28 ,  G01N33/22

Abstract: A method for calculating the research octane number and the motor octane number for a liquid blended fuel. Data related to the aromatic, olefin, normal paraffin, iso-paraffin, and naphthalene properties of each of a plurality of liquid fuel blending components are acquired and transformed to obtain a transformed component property for each of the components. A reverse property transformation is performed for each of the plurality of liquid blending components. The research octane number and the motor octane number are calculated based on the performed reverse property transformation and determined percentages of each of the plurality of liquid blending components.

公开(公告)号：US10767475B2

公开(公告)日：2020-09-08

申请号：US15557800

申请日：2016-03-22

Applicant: Schlumberger Technology Corporation ,  Chevron U.S.A. Inc. ,  Total SA

Inventor： Terry Wayne Stone ,  Yih-Bor Chang ,  James Bennett

IPC: G06G7/48 ,  E21B49/08 ,  E21B47/10 ,  E21B43/00 ,  E21B41/00 ,  G01V99/00

Abstract: A method, apparatus, and program product to determine distribution of a plurality of components amongst a plurality of phases for a multi-component, multi-phase system including a multi-component, multi-phase fluid. A plurality of phase boundaries of the multi-component, multi-phase fluid and a vapor-liquid equilibrium (VLE) are determined based on a plurality of geophysical parameters associated with an oilfield and using one or more computer processors, including by determining hydrocarbon partitioning in a water phase, based in part on applying empirical equilibrium multi-phase mole fraction ratios (K-values) of the multi-component, multi-phase system that are functions of temperature and pressure only. In addition, an amount of at least one fluid component distributed in a plurality of phases of the multi-component, multi-phase system is predicted by solving a set of flash equations with the one or more computer processors based on the plurality of phase boundaries.

公开(公告)号：US20200269224A1

公开(公告)日：2020-08-27

申请号：US16801294

申请日：2020-02-26

Applicant: Chevron U.S.A. Inc.

Inventor： Dan XIE

IPC: B01J29/70 ,  C01B39/48 ,  B01J37/04 ,  B01J37/00 ,  B01J37/03

Abstract: A novel synthetic crystalline molecular sieve material, designated SSZ-115, is provided. SSZ-115 can be synthesized using 1-methyl-1-[5-(trimethylammonio)pentyl]pyrrolidinium dications as a structure directing agent. SSZ-115 may be used in organic compound conversion reactions and sorptive processes.

公开(公告)号：US20200256148A1

公开(公告)日：2020-08-13

申请号：US16271943

申请日：2019-02-11

Applicant: Chevron U.S.A. Inc.

Inventor： Thomas Gary CORBETT

IPC: E21B29/02 ,  E21B33/12

Abstract: Disclosed are devices, systems and methods for actuating tools in a well in a reservoir, such as sliding sleeves used to direct fracturing fluid into the reservoir. The sleeves are actuated using drop balls that seat in the tool with sufficient force to cause the sleeve to move. The drop balls are made from a frangible material having a compressed or deformed shape memory alloy component therewithin. After the drop balls have actuated the sleeves in the well, they are exposed to a temperature change from below to above the transition temperature of the shape memory alloy such that the component expands and the frangible material fragments into pieces, such that the pieces allow unobstructed fluid flow in the well. Optionally, a heating element can be used to effect the temperature change.

公开(公告)号：US20200241167A1

公开(公告)日：2020-07-30

申请号：US15762096

申请日：2016-10-06

Applicant: Schlumberger Technology Corporation ,  Chevron U.S.A. Inc. ,  Total SA

Inventor： Kyrre Bratvedt ,  Alexander Lukyanov ,  Hadi Hajibeygi ,  Kees Vuik

IPC: G01V99/00 ,  E21B49/00 ,  G06F17/18 ,  G06F30/23

Abstract: Systems, computer-readable media, and methods are described for performing a reservoir simulation by obtaining reservoir data, obtaining simulation parameters, determining partial differential equations based on the simulation parameters, and performing a timestep of the reservoir simulation based on the reservoir data and the partial differential equations by removing an effect of long coherent structures with high contrasts, such as fractures, faults, high and low permeability channels, or shale layers, from the partial differential equations to generate adapted partial differential equations, and performing an algebraic multiscale method on the adapted partial differential equations to generate an approximated solution. The approximated solution can be used in a subsequent timestep of the reservoir simulation.